[UNVERIFIED] Astra diagram pass
This commit is contained in:
@@ -68,13 +68,14 @@ external analogue-pin pool, so they increase concurrent conversion capacity
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rather than doubling the number of physical sensor pins. The proposed V1
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allocation occupies 16 conditioned ADC channels:
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```text
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4 thermistor inputs
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9 general 0-5 V inputs
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1 VBAT_PROT sense input
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1 +5V_SENS sense input
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1 +12V_SENS sense input
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```
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| Conditioned ADC input class | Channels |
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| --- | ---: |
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| Thermistors | 4 |
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| General 0–5 V inputs | 9 |
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| `VBAT_PROT` sense | 1 |
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| `+5V_SENS` sense | 1 |
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| `+12V_SENS` sense | 1 |
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| **Total** | **16** |
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This leaves meaningful MCU ADC and pin margin, but the final STM32 package and
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pin assignment must reserve all analogue pins alongside timer, CAN, debug,
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@@ -90,11 +91,7 @@ because an open thermistor drives the node towards 5 V. Firmware calculates the
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thermistor resistance from the ratio of its ADC result to the `+5V_SENS` ADC
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result, then applies the calibration map for the selected sensor.
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```text
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+5V_SENS -- precision pull-up --+-- thermistor -- sensor ground
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attenuation/filter --> ADC
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```
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The pull-up value is selected from the actual NTC curve and required
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temperature range, balancing resolution against self-heating. The attenuation
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@@ -169,13 +166,9 @@ released. It has two independent destinations:
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- `DEADMAN_OK` is combined in hardware with the MCU's `MCU_RUN_PERMIT` output
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to produce `ENGINE_PERMIT`.
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```text
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deadman contact A --> protected input --> DEADMAN_A_HELD --------+
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+--> valid-state logic --> DEADMAN_OK --+
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deadman contact B --> protected input --> inverted --> DEADMAN_B_RELEASED -+ |
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AND --> ENGINE_PERMIT
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MCU_RUN_PERMIT ----------------------------------------------------------------------------------------------+
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```
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`ENGINE_PERMIT` controls the enable inputs of the injector and ignition drivers
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where those inputs are provided. If a selected driver has no suitable enable
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@@ -239,9 +232,7 @@ only when the selected external starter switch accepts that interface.
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Analogue output is not a V1 functional requirement. Reserve two MCU pins and
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board footprints for future 0-5 V outputs. The intended future path is:
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```text
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DAC --> rail-to-rail buffer --> protection / series impedance --> connector
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```
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A true calibrated 0-5 V output may require an external 5 V-referenced DAC or
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a suitably characterised buffer stage. A general 0-12 V analogue output is not
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@@ -9,13 +9,7 @@ use `SENSOR_GND` and are kept separate from ignition/injector return currents.
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## General 0--5 V channels
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```text
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connector -- transient clamp -- R_TOP --+-- ADC-local C_HOLD -- ADC
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R_BOTTOM
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SENSOR_GND
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```
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`R_TOP` is the divider's upper resistor; do not add a separate series
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`R_PROT` in the normal passive channel. It is the element that limits current
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@@ -45,11 +39,7 @@ of `+5V_SENS` and sample it close to the sensor channel.
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## NTC temperature channels
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```text
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+5V_SENS -- R_PULLUP --+-- NTC -- SENSOR_GND
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attenuator / local filter --> ADC
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```
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The attenuator and ADC protection are required even if a normal temperature
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range appears below 3.3 V: an open thermistor raises the node to `+5V_SENS`.
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@@ -48,22 +48,11 @@ not the safety-critical shutoff path.
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The permission gates operate from `+5V_MAIN` and accept 3.3 V MCU logic
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levels. Their outputs are 5 V logic levels.
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```text
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protected 5 V --> independent NO contact A --> protected A input
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+--> 3.3 V --> DEADMAN_A_STATUS --> MCU
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`--> 5 V --> DEADMAN_A_HELD -----+
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protected 5 V --> independent NO contact B --> protected B input +--> AND --> DEADMAN_OK --+
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+--> 3.3 V --> DEADMAN_B_STATUS --> MCU ^ |
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`--> inverter --> DEADMAN_B_RELEASED -- NOT-+ |
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MCU_RUN_PERMIT ---------------------------------------------------------------------------------------------AND --> ENGINE_PERMIT --+
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ignition-permission inverter
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--> SAFE_IGNITION_INHIBIT
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MCU_INJECTOR_SIG -------------------------------------------------------------------------------------------AND --> SAFE_INJECTOR_SIG
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```
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The logic equations are:
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@@ -113,9 +113,6 @@ The comparator's 40 V fail-safe input capability eliminates power-backfeed
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through the comparator; it does not replace harness fault protection. Every
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channel shall include the following protection functions:
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The right-hand side of the figure above shows the required functional
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protection arrangement.
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- **Primary positive clamp:** use a connector-side TVS or equivalent
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protection element. Its working standoff shall exceed the 16.8 V maximum
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normal battery input. Its worst-case dynamic clamp voltage, including
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@@ -22,15 +22,7 @@ may use either class only when the external starter interface accepts it.
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Use the automotive-qualified TI `TPS4H000-Q1` quad smart high-side switch.
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It is supplied from `+5V_AUX`, not directly from `+5V_MAIN`.
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```text
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+5V_MAIN --> +5V_AUX eFuse / load switch --> TPS4H000-Q1 VBB
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MCU GPIO --> TPS4H000-Q1 INx OUTx --> LOGIC_OUTx --> connector
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| |
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R_IN_PD R_OUT_PD
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GND GND
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```
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- `+5V_AUX` isolates an external logic-output fault from `+5V_MAIN`, the MCU,
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and the sensor-excitation rail.
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@@ -67,28 +59,11 @@ fault and transient specification before schematic freeze.
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Use the automotive-qualified Infineon `TLE9104SH` smart quad low-side switch.
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It drives battery-domain loads supplied from `VBAT_PROT`.
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```text
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VBAT_PROT --> external load --> SINK_OUTx --> TLE9104SH OUTx
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internal low-side MOSFET
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OUT_PGND --> power-entry ground star
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VBAT_PROT --> TLE9104SH VS +5V_MAIN --> TLE9104SH VDD
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+3V3_MAIN --> TLE9104SH VIO
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MCU GPIO --> TLE9104SH INx MCU SPI <--> TLE9104SH SPI
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| |
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R_IN_PD diagnostics
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TLE9104SH local ground reference
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MCU enable --> TLE9104SH EN
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R_EN_PD
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TLE9104SH local ground reference
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```
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- The TLE9104SH supplies active inductive-load clamping, configurable
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overcurrent protection, short-circuit and thermal protection, direct channel
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@@ -39,18 +39,7 @@ freezing `R_PULLUP`. The crank-sensor part number remains to be selected.
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## Electrical interface
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```text
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ECU
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+12V_SENS ------------------------+--------------------------> sensor supply
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SENSOR_GND ---------------------------------------------------> sensor return
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+12V_SENS -- R_PULLUP -- TRIG_x ---+-- connector -- sensor output
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+-- connector-side transient protection
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+-- R_DIV_TOP --+-- Schmitt buffer --> 3.3 V timer input
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+-- R_DIV_BOTTOM -- SENSOR_GND
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+-- C_FILTER ------ SENSOR_GND
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```
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- Supply the sensor from `+12V_SENS`; its rail generation, protection, current
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limit, and diagnostics belong to `POWER_ARCHITECTURE.md`.
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@@ -14,13 +14,7 @@ confirmed.
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## Power path
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```text
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VBAT_PROT --> coil primary --> VBG08H HVC
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internal IGBT
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PGND1 + PGND2 --> IGN_PGND --> power-entry ground
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```
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- `HVC` connects to one coil-primary terminal; the other terminal connects to
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`VBAT_PROT`.
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@@ -37,23 +31,7 @@ VBAT_PROT --> coil primary --> VBG08H HVC
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`INP` is active high: a rising edge begins coil dwell and a falling edge
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causes the normal spark event.
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```text
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STM32 ignition timing output
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--> 3.3 V-to-5 V non-inverting buffer --> 1 kOhm --> INP
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low-capacitance
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Zener clamp
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VBG local Kelvin-ground reference
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SAFE_IGNITION_INHIBIT
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--> 1 kOhm --> EN
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low-capacitance
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Zener clamp
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VBG local Kelvin-ground reference
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```
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The VBG08H-E input-high requirement is 3 V. A 5 V buffer is used rather than
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direct STM32 drive to preserve high-level margin across MCU output tolerance,
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@@ -91,9 +69,7 @@ and must not create a path that can pull `EN` low during a fault.
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internal threshold and releases when the current reaches the nominal 6.5 A
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threshold. The threshold is not externally programmable.
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```text
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VBG08H C.F. --> reference-style R/C filter and 3.3 V pull-up --> STM32 GPIO
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```
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The pull-up voltage must not exceed 5.5 V; `+3V3_MAIN` is suitable. The signal
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is a diagnostic confirmation of primary-current buildup and is not part of the
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@@ -105,13 +81,7 @@ maximum dwell time.
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Define `IGN_PGND` as the ignition module's high-current return domain.
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```text
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PGND1 -- matched heavy copper --+
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+--> IGN_PGND local joining point --> power-entry ground
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PGND2 -- matched heavy copper --+
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VBG08H GND -- short, separate Kelvin reference trace --+
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```
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- `PGND1` and `PGND2` must use equal-length, equal-width, and similarly
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shaped copper paths to the `IGN_PGND` joining point. The VBG08H-E uses these
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@@ -13,13 +13,7 @@ low-impedance injector requires a different architecture.
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## Power path
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```text
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VBAT_PROT --> injector positive terminal --> injector coil --> VNL5050 DRAIN
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internal low-side MOSFET
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SOURCE --> INJ_PGND --> power-entry ground
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```
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- The injector's positive terminal connects to `VBAT_PROT`; its negative
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terminal connects to `DRAIN`.
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@@ -37,12 +31,7 @@ VBAT_PROT --> injector positive terminal --> injector coil --> VNL5050 DRAIN
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`INPUT` is active high. It receives only the hardware-permitted injector
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command defined by the two-channel deadman interlock.
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```text
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SAFE_INJECTOR_SIG --> 1 kOhm Rprot --> INPUT
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|-- 10 kOhm ---------> INJ_PGND
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`-- low-capacitance
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Zener clamp ------> INJ_PGND
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```
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```text
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SAFE_INJECTOR_SIG = ENGINE_PERMIT AND MCU_INJECTOR_SIG
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@@ -70,9 +59,7 @@ status inputs disagree.
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`STATUS` is an open-drain diagnostic output. It is read by the MCU through a
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1 kOhm protection resistor and a `+3V3_MAIN` pull-up.
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```text
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+3V3_MAIN pull-up --> MCU-side status node --> 1 kOhm Rprot --> STATUS
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```
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The 3.3 V pull-up is within the pin rating and provides a safe MCU logic level.
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The diagnostic path supports off-state open-load detection and indicates
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@@ -84,9 +71,7 @@ separate, unambiguous MCU-readable short-circuit/current-limit indication.
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Define `INJ_PGND` as the injector module's high-current return domain.
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```text
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VNL5050 SOURCE --> short, low-impedance INJ_PGND copper --> power-entry ground star
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```
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- `INJ_PGND` runs directly to the power-entry ground star, where it joins the
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battery return, `IGN_PGND`, `DGND`, and sensor return domains.
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@@ -25,39 +25,9 @@ part numbers remain to be selected after the loads and packaging are confirmed.
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## Rail Tree
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```text
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4S LiPo
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|
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+-- input fuse, reverse-polarity protection, TVS/transient protection
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+-- VBAT_PROT ---------------------------------> ignition branch
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| injector branch
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| protected low-side outputs
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| protected VBAT sense
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|
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+-- synchronous buck --------------------------> +5V_MAIN
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| | internal 5 V circuitry
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| |
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| +-- eFuse / load switch ------------------> +5V_AUX
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| | external logic-level outputs
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| |
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| +-- eFuse / load switch, ferrite/filter --> +5V_SENS
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| protected sensor supply
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|
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+-- synchronous buck --------------------------> +3V3_MAIN
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| | MCU digital supplies
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| | 3.3 V logic / communications
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| |
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| +-- ferrite bead / filtering -------------> +5V_AUX
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| MCU analogue domain
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| analogue front ends
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| ADC reference
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|
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+-- regulated buck-boost ----------------------> +12V_SENS
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12 V sensor supply
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crank/cam Hall sensors
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```
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## Input and Raw-Battery Domain
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@@ -148,13 +118,7 @@ to track `+5V_SENS`. Therefore 5 V ratiometric sensor readings are made
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ratiometric in measurement and firmware rather than by requiring a fixed
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relationship between the rails.
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```text
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+5V_SENS ----> sensor excitation
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|
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+--> sensor output -- matched divider --> ADC sensor channel
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|
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+--> +5V_SENS sense - matched divider --> ADC 5-V-sense channel
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```
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Firmware shall calculate the sensor signal as a ratio of the two ADC readings:
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@@ -186,13 +150,7 @@ conventional automotive ECU sensor interface. The thermistor itself is passive
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and would operate with a 3.3 V excitation, but using the protected 5 V sensor
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rail gives a common, diagnosable excitation supply for external sensors.
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```text
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+5V_SENS -- precision pull-up --+-- thermistor -- sensor ground
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|
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+-- matched divider/filter --> ADC thermistor channel
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+5V_SENS ------ matched divider/filter -----------------> ADC 5-V-sense channel
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```
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Firmware shall use the ratio of the thermistor-channel and 5-V-sense ADC
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readings to calculate the thermistor resistance. This cancels variation in
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@@ -143,3 +143,8 @@ selection are finalised:
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requirements.
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5. CAN connector and bus topology.
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6. Detailed trigger sensor wiring, connector, and cable-length information.
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## Diagram sources
|
||||
|
||||
The architecture figures are embedded as SVGs. Editable sources, PNG previews,
|
||||
and regeneration instructions are in [diagrams/](diagrams/README.md).
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@@ -0,0 +1,79 @@
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# Architecture diagram sources
|
||||
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The architecture Markdown embeds these 22 SVG figures. Matching PNG previews
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are provided for viewers that do not support SVG. Diagrams describe the working
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architecture; component qualification and schematic-release requirements remain
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in the parent documents.
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## Figures
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| Topic | Figures |
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| --- | --- |
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| Power | [Sources](power-sources.svg), [protected branches](power-branches.svg) |
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| Analogue acquisition | [Passive input](analog-input.svg), [thermistor](thermistor.svg), [ratiometric acquisition](ratiometric.svg) |
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| Timing inputs | [Crank/cam interface](trigger-input.svg) |
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| Deadman | [Contacts and diagnostics](deadman-inputs.svg), [permit gates](deadman-permit.svg), [output gates](deadman-outputs.svg) |
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| Ignition | [Power](ignition-power.svg), [commands](ignition-command.svg), [current flag](ignition-flag.svg), [grounding](ignition-ground.svg) |
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| Injection | [Power](injector-power.svg), [command](injector-command.svg), [status](injector-status.svg), [grounding](injector-ground.svg) |
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| Generic outputs | [5 V logic](logic-output.svg), [low-side power](sink-power.svg), [supplies and SPI](sink-interfaces.svg), [command bias](sink-command.svg) |
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| Optional DAC | [Output provision](dac-output.svg) |
|
||||
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||||
## Editing and regeneration
|
||||
|
||||
- The 12 block figures have editable `.drawio` sources. Open them in draw.io.
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||||
`build_blocks.py` recreates their baseline layout and `block-connections.json`.
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||||
Running it overwrites manual layout edits, so update the generator when those
|
||||
edits should be reproducible, or export the edited `.drawio` directly.
|
||||
- The 10 circuit/logic figures are generated by `build_circuits.py`, with a
|
||||
separate `*.topology.json` connection manifest for each figure. Change the
|
||||
relevant component/net definitions and layout together in that script;
|
||||
rerunning it overwrites the generated topology and images. JSON is a review
|
||||
manifest, not an independently interpreted rendering input.
|
||||
- Reference designators introduced by these drawings are documentation labels,
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||||
not KiCad assignments. Named continuation ports are electrically identical
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||||
only when their names match within the documented domain.
|
||||
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||||
Run from this directory using the configured schematic environment:
|
||||
|
||||
```bash
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||||
python build_blocks.py
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||||
~/.venvs/codex-schematics/bin/python export_blocks.py
|
||||
~/.venvs/codex-schematics/bin/python build_circuits.py
|
||||
```
|
||||
|
||||
`export_blocks.py` requires the installed draw.io desktop renderer; restricted
|
||||
Electron sandboxes may require an authorized external execution. It exports
|
||||
only `.drawio` inputs, keeps editable sources, checks for native SVG text, and
|
||||
creates PNG previews. The circuit builder uses Schemdraw and CairoSVG.
|
||||
Inspect changed figures at their intended embedded size after rebuilding.
|
||||
|
||||
Validate each circuit manifest with the installed topology validator:
|
||||
|
||||
```bash
|
||||
~/.venvs/codex-schematics/bin/python \
|
||||
~/.codex/skills/electronics-schematic-rendering/scripts/validate_topology.py \
|
||||
analog-input.topology.json
|
||||
```
|
||||
|
||||
## Source clarifications in this redraw
|
||||
|
||||
- The former power-tree branch labelled `+5V_AUX` after 3.3 V filtering is now
|
||||
`+3V3_ANA`, matching the dedicated rail description. `+5V_AUX` remains a
|
||||
protected branch of `+5V_MAIN`.
|
||||
- The passive ADC drawing now shows `C_HOLD` as a shunt capacitor after the
|
||||
small isolation resistor specified in the prose. It does not add a separate
|
||||
connector-side `R_PROT`. Exact values remain unspecified.
|
||||
- The Hall-input drawing separates sensor supply, sensor return and signal;
|
||||
the original ASCII alignment could suggest an unintended join. The pull-up,
|
||||
divider and parallel filter follow the existing prose.
|
||||
- The deadman equations are unchanged. Contact observations, permission gates
|
||||
and output gates occupy separate figures; shared net names connect them.
|
||||
- `VBG_LOCAL_KELVIN` labels the documented local ignition reference at the
|
||||
`IGN_PGND` joining point. `LOCAL_GND` in the sink-command figure denotes the
|
||||
TLE9104SH local ground reference. Neither denotes a new remote ground path.
|
||||
- The obsolete reference to a missing figure in `DIGITAL_INPUTS.md` was removed.
|
||||
That module remains described by its existing component-level prose.
|
||||
|
||||
Protection blocks whose devices or ratings remain unselected are deliberately
|
||||
functional. Supply-loss behavior, real pin mappings, ratings and physical fault
|
||||
responses still require the validation specified in the module documents.
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 44 KiB |
File diff suppressed because one or more lines are too long
|
After Width: | Height: | Size: 5.6 KiB |
@@ -0,0 +1,130 @@
|
||||
{
|
||||
"title": "Passive 0\u20135 V ADC channel",
|
||||
"source": "IO_MODULES/ANALOG_INPUTS.md: General 0--5 V channels",
|
||||
"reference_scope": "documentation only",
|
||||
"components": [
|
||||
{
|
||||
"ref": "J",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "Sensor signal"
|
||||
},
|
||||
{
|
||||
"ref": "CLAMP",
|
||||
"kind": "transient-protection",
|
||||
"pins": [
|
||||
"SIG",
|
||||
"RET"
|
||||
],
|
||||
"value": "Connector clamp\nPart / rating TBD"
|
||||
},
|
||||
{
|
||||
"ref": "GC",
|
||||
"kind": "ground-port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "SENSOR_GND"
|
||||
},
|
||||
{
|
||||
"ref": "R_TOP",
|
||||
"kind": "resistor",
|
||||
"pins": [
|
||||
"1",
|
||||
"2"
|
||||
],
|
||||
"value": "R_TOP"
|
||||
},
|
||||
{
|
||||
"ref": "R_BOTTOM",
|
||||
"kind": "resistor",
|
||||
"pins": [
|
||||
"1",
|
||||
"2"
|
||||
],
|
||||
"value": "R_BOTTOM"
|
||||
},
|
||||
{
|
||||
"ref": "GR",
|
||||
"kind": "ground-port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "SENSOR_GND"
|
||||
},
|
||||
{
|
||||
"ref": "R_ISO",
|
||||
"kind": "resistor",
|
||||
"pins": [
|
||||
"1",
|
||||
"2"
|
||||
],
|
||||
"value": "Isolation R\nValue TBD"
|
||||
},
|
||||
{
|
||||
"ref": "C_HOLD",
|
||||
"kind": "capacitor",
|
||||
"pins": [
|
||||
"1",
|
||||
"2"
|
||||
],
|
||||
"value": "C_HOLD"
|
||||
},
|
||||
{
|
||||
"ref": "GH",
|
||||
"kind": "ground-port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "SENSOR_GND"
|
||||
},
|
||||
{
|
||||
"ref": "ADC",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "ADC_IN"
|
||||
}
|
||||
],
|
||||
"nets": [
|
||||
{
|
||||
"name": "Sensor signal",
|
||||
"connections": [
|
||||
"J.P",
|
||||
"CLAMP.SIG",
|
||||
"R_TOP.1"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "SENSOR_GND",
|
||||
"connections": [
|
||||
"CLAMP.RET",
|
||||
"GC.P",
|
||||
"R_BOTTOM.2",
|
||||
"GR.P",
|
||||
"C_HOLD.2",
|
||||
"GH.P"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "DIVIDED",
|
||||
"connections": [
|
||||
"R_TOP.2",
|
||||
"R_BOTTOM.1",
|
||||
"R_ISO.1"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "ADC_IN",
|
||||
"connections": [
|
||||
"R_ISO.2",
|
||||
"C_HOLD.1",
|
||||
"ADC.P"
|
||||
]
|
||||
}
|
||||
],
|
||||
"no_connects": []
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,144 @@
|
||||
"""Rebuild editable architectural figures (standard-library Python).
|
||||
|
||||
Export the resulting .drawio files with the installed draw.io desktop renderer.
|
||||
Node/edge records are retained as a source-traceable connection manifest.
|
||||
"""
|
||||
from pathlib import Path
|
||||
import json
|
||||
import xml.etree.ElementTree as ET
|
||||
|
||||
OUT = Path(__file__).resolve().parent
|
||||
COLORS = {'power': '#fff1d6', 'signal': '#e8f0fc', 'device': '#e8f4ed',
|
||||
'ground': '#eef0f3', 'note': '#ffffff'}
|
||||
manifest = {}
|
||||
|
||||
class Figure:
|
||||
def __init__(self, name, title, source, width=1040, height=620):
|
||||
self.name, self.width, self.height = name, width, height
|
||||
self.data = {'title': title, 'source': source, 'nodes': {}, 'connections': []}
|
||||
self.root = ET.Element('mxfile', host='app.diagrams.net')
|
||||
diagram = ET.SubElement(self.root, 'diagram', name=title, id=name)
|
||||
model = ET.SubElement(diagram, 'mxGraphModel', page='1', pageWidth=str(width), pageHeight=str(height), grid='1', gridSize='10')
|
||||
self.cells = ET.SubElement(model, 'root')
|
||||
ET.SubElement(self.cells, 'mxCell', id='0')
|
||||
ET.SubElement(self.cells, 'mxCell', id='1', parent='0')
|
||||
self.node('title', title, 30, 18, width-60, 42, 'note', text=True, size=26)
|
||||
|
||||
def node(self, key, label, x, y, w=220, h=74, kind='signal', text=False, size=18):
|
||||
style = f'rounded=1;html=0;fontFamily=DejaVu Sans;fontSize={size};fontColor=#172b40;strokeColor=#577086;fillColor={COLORS[kind]};spacing=10;'
|
||||
if text:
|
||||
style += 'strokeColor=none;fillColor=none;align=left;'
|
||||
cell = ET.SubElement(self.cells, 'mxCell', id='node_'+key, value=label, style=style, vertex='1', parent='1')
|
||||
ET.SubElement(cell, 'mxGeometry', x=str(x), y=str(y), width=str(w), height=str(h), **{'as':'geometry'})
|
||||
self.data['nodes'][key] = {'label': label, 'kind':kind, 'bounds':[x,y,w,h]}
|
||||
return key
|
||||
|
||||
def edge(self, a, b, label='', points=(), exit=(1,.5), entry=(0,.5), kind='signal', arrows=True):
|
||||
assert a in self.data['nodes'] and b in self.data['nodes']
|
||||
idx = 'e'+str(len(self.data['connections']))
|
||||
color = '#946221' if kind=='power' else '#416680'
|
||||
bidirectional = label == 'Bidirectional'
|
||||
if bidirectional: label = ''
|
||||
style = f'edgeStyle=orthogonalEdgeStyle;rounded=0;html=0;strokeWidth=2;strokeColor={color};fontSize=16;fontFamily=DejaVu Sans;labelBackgroundColor=#ffffff;endArrow={"block" if arrows else "none"};endFill=1;exitX={exit[0]};exitY={exit[1]};entryX={entry[0]};entryY={entry[1]};'
|
||||
if bidirectional: style += 'startArrow=block;startFill=1;'
|
||||
cell = ET.SubElement(self.cells, 'mxCell', id=idx, source='node_'+a, target='node_'+b, value=label, style=style, edge='1', parent='1')
|
||||
geo = ET.SubElement(cell, 'mxGeometry', relative='1', **{'as':'geometry'})
|
||||
if points:
|
||||
arr = ET.SubElement(geo, 'Array', **{'as':'points'})
|
||||
for x,y in points: ET.SubElement(arr, 'mxPoint', x=str(x), y=str(y))
|
||||
self.data['connections'].append({'from':a,'to':b,'label':label,'kind':kind})
|
||||
|
||||
def note(self, label, y):
|
||||
self.node('note'+str(y), label, 30, y, self.width-60, 60, 'note', text=True, size=16)
|
||||
|
||||
def save(self):
|
||||
ET.indent(self.root)
|
||||
ET.ElementTree(self.root).write(OUT/(self.name+'.drawio'), encoding='utf-8', xml_declaration=True)
|
||||
manifest[self.name] = self.data
|
||||
|
||||
def chain(name, title, source, labels, note='', kind='signal'):
|
||||
f = Figure(name,title,source,1040,270)
|
||||
w = (960-(len(labels)-1)*40)/len(labels)
|
||||
for i,label in enumerate(labels):
|
||||
f.node(str(i),label,40+i*(w+40),95,w,85,kind)
|
||||
if i: f.edge(str(i-1),str(i),kind=kind)
|
||||
if note: f.note(note,195)
|
||||
f.save()
|
||||
|
||||
f = Figure('power-sources','Power sources and battery loads','POWER_ARCHITECTURE.md: Rail Tree',1040,790)
|
||||
f.node('battery','4S LiPo\n14.8 V nominal · 16.8 V full',30,90,290,80,'power')
|
||||
f.node('protection','Input fuse · reverse protection\nTVS / transient protection',390,90,310,80,'power')
|
||||
f.node('vbat','VBAT_PROT',770,90,230,80,'power')
|
||||
f.edge('battery','protection',kind='power'); f.edge('protection','vbat',kind='power')
|
||||
for i,(key,label,out) in enumerate([
|
||||
('loads','Protected battery branches','Ignition · injector\nLow-side outputs · VBAT sense'),
|
||||
('five','Synchronous buck · 5 V','+5V_MAIN\nInternal 5 V circuitry'),
|
||||
('three','Synchronous buck · 3.3 V','+3V3_MAIN\nMCU / digital / communications'),
|
||||
('twelve','Regulated buck-boost · 12 V','+12V_SENS\nProtected Hall-sensor supply')]):
|
||||
y=245+i*120
|
||||
f.node(key+'in','VBAT_PROT',30,y,190,74,'power')
|
||||
f.node(key,label,300,y,310,74,'power'); f.node(key+'out',out,690,y,310,74,'power')
|
||||
f.edge(key+'in',key,kind='power'); f.edge(key,key+'out',kind='power')
|
||||
f.note('Repeated VBAT_PROT labels denote the same rail. Protected branch details are shown separately.',725); f.save()
|
||||
|
||||
f = Figure('power-branches','Protected and filtered rail branches','POWER_ARCHITECTURE.md: rail descriptions',1040,700)
|
||||
for i,(a,b,c) in enumerate([
|
||||
('+5V_MAIN','eFuse / protected load switch','+5V_AUX\nExternal logic outputs'),
|
||||
('+5V_MAIN','eFuse / load switch\nFerrite bead + local filter','+5V_SENS\n5 V sensor excitation'),
|
||||
('+3V3_MAIN','Ferrite bead + local filter','+3V3_ANA\nAnalogue supplies /\nADC reference'),
|
||||
('12 V buck-boost output','Current limit / protected switch\nHarness filter + decoupling','+12V_SENS\nCrank / cam Hall sensors')]):
|
||||
y=95+i*135
|
||||
f.node(f'a{i}',a,30,y,240,90,'power'); f.node(f'b{i}',b,340,y,320,90,'power'); f.node(f'c{i}',c,730,y,280,90,'power')
|
||||
f.edge(f'a{i}',f'b{i}',kind='power'); f.edge(f'b{i}',f'c{i}',kind='power')
|
||||
f.note('Optional analogue LDO and final current limits remain validation items; see the rail descriptions.',630); f.save()
|
||||
|
||||
f=Figure('ratiometric','Ratiometric sensor acquisition','POWER_ARCHITECTURE.md: Ratiometric 5 V Sensor Measurements',1040,540)
|
||||
for key,label,x,y,w,kind in [('rail','+5V_SENS',30,90,220,'power'),('sensor','5 V sensor\nExcitation input',340,90,280,'device'),('sig','Sensor output',30,240,220,'signal'),('div','Matched divider / filter',340,240,280,'signal'),('adc','ADC sensor channel',730,240,280,'signal'),('rail2','+5V_SENS',30,380,220,'power'),('sense','Matched divider / filter',340,380,280,'signal'),('adc2','ADC 5-V-sense channel',730,380,280,'signal')]: f.node(key,label,x,y,w,74,kind)
|
||||
f.edge('rail','sensor',kind='power'); f.edge('sig','div'); f.edge('div','adc'); f.edge('rail2','sense'); f.edge('sense','adc2')
|
||||
f.note('Sensor output is the sensor’s signal pin. Both ADC channels use +3V3_ANA as their reference.',470); f.save()
|
||||
|
||||
chain('dac-output','Optional analogue-output provision','IO_ARCHITECTURE.md: Analogue-output provision',['MCU DAC','Rail-to-rail buffer','Protection /\nseries impedance','Connector'],'Provision only; final electrical range, load and protection remain to be defined.')
|
||||
|
||||
f=Figure('deadman-inputs','Deadman contacts and observations','IO_MODULES/DEAD_MAN.md: Logic domains',1040,650)
|
||||
for i,c in enumerate('AB'):
|
||||
y=100+i*245
|
||||
f.node(c+'s','Protected 5 V\nIndependent NO contact '+c,30,y,260,80,'power')
|
||||
f.node(c+'p','Protected input '+c+'\nOwn filter + default-low bias',370,y,290,80,'signal')
|
||||
f.node(c+'h','DEADMAN_A_HELD\n5 V · non-inverting' if c=='A' else 'DEADMAN_B_RELEASED\n5 V · inverting',750,y,260,80,'signal')
|
||||
f.node(c+'d','DEADMAN_'+c+'_STATUS\n3.3 V · held = high → MCU',370,y+120,330,75,'device')
|
||||
f.edge(c+'s',c+'p'); f.edge(c+'p',c+'h'); f.edge(c+'p',c+'d',exit=(.5,1),entry=(.5,0))
|
||||
f.note('Separate harness paths. MCU status observations are diagnostic; the 5 V signals feed the permit gates.',575);f.save()
|
||||
|
||||
for name,title,part,pin,load,ground,source in [
|
||||
('ignition-power','Ignition power path','VBG08H-E','HVC','Coil primary','IGN_PGND','IGNITION'),
|
||||
('injector-power','Injector power path','VNL5050S5-E','DRAIN','Injector coil','INJ_PGND','INJECTON'),
|
||||
('sink-power','Generic low-side power path','TLE9104SH','OUTx','External load\nvia SINK_OUTx','OUT_PGND','DIGITAL_OUTPUTS')]:
|
||||
f=Figure(name,title,'IO_MODULES/'+source+'.md: Power path',1040,460)
|
||||
f.node('rail','VBAT_PROT',30,100,230,80,'power'); f.node('load',load,350,100,280,80,'device');f.node('driver',part+'\n'+pin,720,100,290,80,'device')
|
||||
f.node('switch','Internal IGBT' if source=='IGNITION' else 'Internal low-side MOSFET',720,230,290,70,'device')
|
||||
f.node('return',('PGND1 + PGND2' if source=='IGNITION' else 'SOURCE' if source=='INJECTON' else 'Power return')+' → '+ground,350,350,660,60,'ground')
|
||||
f.edge('rail','load',kind='power');f.edge('load','driver',kind='power');f.edge('driver','switch',exit=(.5,1),entry=(.5,0),kind='power');f.edge('switch','return',exit=(.5,1),entry=(.8,0),kind='power')
|
||||
f.note('Functional current path. '+ground+' returns separately to the power-entry ground star.',410);f.save()
|
||||
|
||||
chain('ignition-flag','Ignition current-flag diagnostic','IO_MODULES/IGNITION.md: Current-flag diagnostic',['VBG08H-E C.F.\nOpen-drain output','Reference-style R/C filter\n+3V3_MAIN pull-up','STM32 GPIO'],'Diagnostic current-threshold observation; separate from the hardware inhibit path.')
|
||||
|
||||
f=Figure('ignition-ground','Ignition ground and Kelvin reference','IO_MODULES/IGNITION.md: Ground and layout',1040,480)
|
||||
for i,(key,label) in enumerate([('p1','VBG08H-E PGND1'),('p2','VBG08H-E PGND2'),('g','VBG08H-E GND')]):
|
||||
f.node(key,label,30,100+i*115,230,64,'ground')
|
||||
f.node('join','IGN_PGND\nLocal joining point',490,170,220,105,'ground');f.node('star','Power-entry\nground star',800,170,210,105,'ground')
|
||||
f.edge('p1','join','Matched heavy copper',points=[(400,132),(400,190)],entry=(0,.2),arrows=False)
|
||||
f.edge('p2','join','Matched heavy copper',entry=(0,.65),arrows=False)
|
||||
f.edge('g','join','Separate Kelvin trace',points=[(600,362)],entry=(.5,1),arrows=False)
|
||||
f.edge('join','star',arrows=False)
|
||||
f.note('GND carries the local reference, not coil current. No separate remote-DGND connection.',410);f.save()
|
||||
chain('injector-ground','Injector ground return','IO_MODULES/INJECTON.md: Ground and layout',['VNL5050S5-E SOURCE','INJ_PGND\nShort, low-impedance copper','Power-entry ground star'],'SOURCE is both power return and local logic reference. No separate Kelvin pin.',kind='ground')
|
||||
|
||||
f=Figure('sink-interfaces','Low-side driver supplies and diagnostics','IO_MODULES/DIGITAL_OUTPUTS.md: Protected low-side outputs',1040,610)
|
||||
for i,(a,b) in enumerate([('VBAT_PROT','TLE9104SH VS'),('+5V_MAIN','TLE9104SH VDD'),('+3V3_MAIN','TLE9104SH VIO')]):
|
||||
y=95+i*110
|
||||
f.node('s'+str(i),a,30,y,230,70,'power'); f.node('p'+str(i),b,380,y,280,70,'device');f.edge('s'+str(i),'p'+str(i),kind='power')
|
||||
f.node('mcu','MCU SPI',30,440,230,80);f.node('spi','TLE9104SH SPI\nCommands + diagnostics',380,440,280,80,'device');f.edge('mcu','spi','Bidirectional')
|
||||
f.note('INx / EN default-low networks are shown in the companion circuit. Decouple supplies locally.',540);f.save()
|
||||
|
||||
(OUT/'block-connections.json').write_text(json.dumps(manifest,indent=2)+'\n')
|
||||
print(f'Wrote {len(manifest)} editable block figures.')
|
||||
@@ -0,0 +1,176 @@
|
||||
"""Rebuild documentation schematics with Schemdraw.
|
||||
|
||||
Run with ~/.venvs/codex-schematics/bin/python. Topology JSON is emitted beside
|
||||
each figure. References identify documentation symbols, not CAD placements.
|
||||
"""
|
||||
from pathlib import Path
|
||||
import json
|
||||
import xml.etree.ElementTree as ET
|
||||
import schemdraw
|
||||
import schemdraw.elements as e
|
||||
import schemdraw.logic as logic
|
||||
import cairosvg
|
||||
|
||||
OUT = Path(__file__).resolve().parent
|
||||
|
||||
class Circuit:
|
||||
def __init__(self,name,title,source):
|
||||
self.name=name
|
||||
self.d=schemdraw.Drawing(show=False)
|
||||
self.d.config(unit=2.5,fontsize=12,font='DejaVu Sans',lw=1.5,color='#20394e',bgcolor='white')
|
||||
self.top={'title':title,'source':source,'reference_scope':'documentation only','components':[],'nets':[],'no_connects':[]}
|
||||
self.nets={}
|
||||
def component(self,ref,kind,pins,value=''):
|
||||
assert ref not in [c['ref'] for c in self.top['components']],ref
|
||||
self.top['components'].append({'ref':ref,'kind':kind,'pins':list(pins),'value':value})
|
||||
for pin,net in pins.items(): self.nets.setdefault(net,[]).append(ref+'.'+pin)
|
||||
def label(self,xy,text,loc='top',size=12):
|
||||
self.d.add(e.Label().at(xy).label(text,loc=loc,fontsize=size))
|
||||
def wire(self,a,b): self.d.add(e.Line().at(a).to(b))
|
||||
def dot(self,xy): self.d.add(e.Dot().at(xy))
|
||||
def port(self,ref,xy,net,loc='left'):
|
||||
self.component(ref,'port',{'P':net},net)
|
||||
self.d.add(e.Dot(open=True).at(xy).label(net,loc=loc))
|
||||
def res(self,ref,a,b,n1,n2,label=None):
|
||||
self.component(ref,'resistor',{'1':n1,'2':n2},label or ref)
|
||||
self.d.add(e.Resistor().at(a).to(b).label(label or ref))
|
||||
def cap(self,ref,a,b,n1,n2,label=None):
|
||||
self.component(ref,'capacitor',{'1':n1,'2':n2},label or ref)
|
||||
self.d.add(e.Capacitor().at(a).to(b).label(label or ref))
|
||||
def zener(self,ref,a,b,n1,n2):
|
||||
self.component(ref,'zener',{'K':n1,'A':n2},'Low-C clamp\nVoltage TBD')
|
||||
self.d.add(e.Zener().at(a).to(b).reverse().label('Low-C Zener\nVoltage TBD'))
|
||||
def ground(self,ref,xy,net='SENSOR_GND'):
|
||||
self.component(ref,'ground-port',{'P':net},net)
|
||||
self.d.add(e.Ground().at(xy).label(net,loc='bottom'))
|
||||
def block(self,ref,xy,label,ins,outs,w=3.5,h=2):
|
||||
pins=[]
|
||||
for side,ports in [('L',ins),('R',outs)]:
|
||||
for i,(pin,net) in enumerate(ports):
|
||||
pins.append(e.IcPin(name=pin,anchorname=pin,side=side,pos=(i+1)/(len(ports)+1)))
|
||||
self.component(ref,'functional-block',dict(ins+outs),label)
|
||||
return self.d.add(e.Ic(size=(w,h),pins=pins).at(xy).theta(0).label(label,loc='top'))
|
||||
def save(self):
|
||||
for net,ends in self.nets.items():
|
||||
entry={'name':net,'connections':ends}
|
||||
if len(ends)==1: entry.update(allow_single=True,note='Named boundary or supply shown in the documentation figure')
|
||||
self.top['nets'].append(entry)
|
||||
(OUT/(self.name+'.topology.json')).write_text(json.dumps(self.top,indent=2)+'\n')
|
||||
self.d.save(str(OUT/(self.name+'.svg')))
|
||||
svg_path = OUT/(self.name+'.svg')
|
||||
ET.register_namespace('', 'http://www.w3.org/2000/svg')
|
||||
tree = ET.parse(svg_path); root = tree.getroot()
|
||||
x,y,w,h = map(float,root.get('viewBox').split())
|
||||
root.set('viewBox', f'{x-16} {y-16} {w+32} {h+32}')
|
||||
root.set('width', f'{w+32}pt'); root.set('height', f'{h+32}pt')
|
||||
tree.write(svg_path, encoding='utf-8', xml_declaration=True)
|
||||
cairosvg.svg2png(url=str(OUT/(self.name+'.svg')),write_to=str(OUT/(self.name+'.png')),background_color='white',output_width=1200)
|
||||
|
||||
# Shunt protection and ADC reservoir are deliberately drawn as branches.
|
||||
c=Circuit('analog-input','Passive 0–5 V ADC channel','IO_MODULES/ANALOG_INPUTS.md: General 0--5 V channels')
|
||||
c.port('J',(0,0),'Sensor signal')
|
||||
c.wire((0,0),(2,0));c.dot((2,0))
|
||||
c.component('CLAMP','transient-protection',{'SIG':'Sensor signal','RET':'SENSOR_GND'},'Connector clamp\nPart / rating TBD')
|
||||
cl=c.d.add(e.Ic(size=(2,1),pins=[e.IcPin(name='SIG',side='T',anchorname='SIG'),e.IcPin(name='RET',side='B',anchorname='RET')]).at((1,-3)).theta(0).label('Transient clamp',loc='left'))
|
||||
c.wire((2,0),cl.SIG);c.ground('GC',cl.RET)
|
||||
c.res('R_TOP',(2,0),(6,0),'Sensor signal','DIVIDED')
|
||||
c.dot((6,0));c.res('R_BOTTOM',(6,0),(6,-3),'DIVIDED','SENSOR_GND');c.ground('GR',(6,-3))
|
||||
c.res('R_ISO',(6,0),(10,0),'DIVIDED','ADC_IN','Isolation R\nValue TBD')
|
||||
c.dot((10,0));c.cap('C_HOLD',(10,0),(10,-3),'ADC_IN','SENSOR_GND');c.ground('GH',(10,-3))
|
||||
c.wire((10,0),(13,0));c.port('ADC',(13,0),'ADC_IN',loc='right')
|
||||
c.label((6,2),'Passive analogue input',size=18);c.save()
|
||||
|
||||
c=Circuit('thermistor','NTC excitation and acquisition','IO_MODULES/ANALOG_INPUTS.md: NTC temperature channels')
|
||||
c.port('V',(0,0),'+5V_SENS');c.res('R_PULLUP',(0,0),(4,0),'+5V_SENS','NTC_NODE','R_PULLUP\nSelected for sensor curve');c.dot((4,0))
|
||||
c.component('NTC','thermistor',{'1':'NTC_NODE','2':'SENSOR_GND'},'NTC')
|
||||
c.d.add(e.Thermistor().at((4,0)).to((4,-3)).label('NTC'));c.ground('GN',(4,-3))
|
||||
b=c.block('AFE',(7,-1),'Attenuation / local filter',[('IN','NTC_NODE')],[('OUT','ADC_NTC')],w=4)
|
||||
c.wire((4,0),b.IN);c.wire(b.OUT,(14,0));c.port('ADC',(14,0),'ADC_NTC',loc='right')
|
||||
c.port('VS',(0,-6),'+5V_SENS');b2=c.block('SENSE',(7,-7),'Matched divider / filter',[('IN','+5V_SENS')],[('OUT','ADC_5V_SENSE')],w=4)
|
||||
c.wire((0,-6),b2.IN);c.wire(b2.OUT,(14,-6));c.port('ADCS',(14,-6),'ADC_5V_SENSE',loc='right')
|
||||
c.label((7,2),'Thermistor + excitation-supply measurement',size=18)
|
||||
c.label((7,-9),'Both ADC channels use +3V3_ANA as reference. Filter and protection details remain in the text.',size=11);c.save()
|
||||
|
||||
c=Circuit('trigger-input','Crank / cam Hall input','IO_MODULES/ENGINE_POSITION_INPUTS.md: Electrical interface')
|
||||
c.port('J',(0,0),'TRIG_x');c.wire((0,0),(3,0));c.dot((3,0))
|
||||
c.port('V',(3,4),'+12V_SENS',loc='top');c.res('R_PULLUP',(3,4),(3,0),'+12V_SENS','TRIG_x','R_PULLUP\n4.7 kΩ provision')
|
||||
c.component('CLAMP','transient-protection',{'SIG':'TRIG_x','RET':'SENSOR_GND'},'Harness clamp / ratings TBD')
|
||||
b=c.d.add(e.Ic(size=(2,1),pins=[e.IcPin(name='SIG',side='T',anchorname='SIG'),e.IcPin(name='RET',side='B',anchorname='RET')]).at((2,-3)).theta(0).label('Transient\nprotection',loc='left'))
|
||||
c.wire((3,0),b.SIG);c.ground('GC',b.RET)
|
||||
c.res('R_DIV_TOP',(3,0),(7,0),'TRIG_x','DIVIDED');c.dot((7,0))
|
||||
c.res('R_DIV_BOTTOM',(7,0),(7,-3),'DIVIDED','SENSOR_GND');c.ground('GB',(7,-3))
|
||||
c.wire((7,0),(10,0));c.dot((10,0));c.cap('C_FILTER',(10,0),(10,-3),'DIVIDED','SENSOR_GND','C_FILTER\n1 nF initial');c.ground('GF',(10,-3))
|
||||
c.wire((10,0),(12,0));s=c.d.add(logic.Schmitt().at((12,0)).right().label('SN74LVC2G17-Q1\nSupply: +3V3_MAIN',loc='top'))
|
||||
c.component('U','schmitt-buffer',{'IN':'DIVIDED','OUT':'TIMER_3V3'},'SN74LVC2G17-Q1')
|
||||
c.wire(s.out,(16,0));c.port('MCU',(16,0),'TIMER_3V3',loc='right')
|
||||
c.label((8,6),'Hall input · repeated for crank and cam',size=18)
|
||||
c.label((8,-5.5),'Sensor connector: supply = +12V_SENS; return = SENSOR_GND; output = TRIG_x. Pin numbers unassigned.',size=11);c.save()
|
||||
|
||||
c=Circuit('ignition-command','Ignition timing and inhibit protection','IO_MODULES/IGNITION.md: Command and inhibit path')
|
||||
for i,(net,out) in enumerate([('STM32 timing (3.3 V)','INP'),('SAFE_IGNITION_INHIBIT','EN')]):
|
||||
y=-i*7
|
||||
c.port('J'+str(i),(0,y),net)
|
||||
if i==0:
|
||||
b=c.block('BUFFER',(2,y-1),'Non-inverting\n3.3 V → 5 V',[('IN',net)],[('OUT','TIMING_5V')],w=3)
|
||||
c.wire((0,y),b.IN);c.wire(b.OUT,(7,y));net2='TIMING_5V'
|
||||
else:c.wire((0,y),(7,y));net2=net
|
||||
c.res('RP'+str(i),(7,y),(11,y),net2,out,'1 kΩ')
|
||||
c.dot((11,y));c.zener('Z'+str(i),(11,y),(11,y-3),out,'VBG_LOCAL_KELVIN');c.ground('G'+str(i),(11,y-3),'VBG_LOCAL_KELVIN')
|
||||
c.wire((11,y),(14,y));c.port('U'+str(i),(14,y),out,loc='right')
|
||||
c.label((7,2.5),'VBG08H-E command pins',size=18)
|
||||
c.label((6,-12),'INP: high = dwell; falling edge = spark. EN: high = inhibit; low = permission.',size=11);c.save()
|
||||
|
||||
c=Circuit('injector-command','Injector command protection','IO_MODULES/INJECTON.md: Command path')
|
||||
c.port('J',(0,0),'SAFE_INJECTOR_SIG');c.res('Rprot',(0,0),(4,0),'SAFE_INJECTOR_SIG','INPUT','Rprot · 1 kΩ');c.dot((4,0))
|
||||
c.res('R_PD',(4,0),(4,-3),'INPUT','INJ_PGND','10 kΩ');c.ground('GR',(4,-3),'INJ_PGND')
|
||||
c.wire((4,0),(8,0));c.dot((8,0));c.zener('Z',(8,0),(8,-3),'INPUT','INJ_PGND');c.ground('GZ',(8,-3),'INJ_PGND')
|
||||
c.wire((8,0),(12,0));c.port('U',(12,0),'INPUT',loc='right');c.label((6,2),'VNL5050S5-E · active-high command',size=18);c.save()
|
||||
|
||||
c=Circuit('injector-status','Injector status acquisition','IO_MODULES/INJECTON.md: Status diagnostic')
|
||||
c.port('U',(0,0),'STATUS');c.res('Rprot',(0,0),(5,0),'STATUS','MCU_STATUS','Rprot · 1 kΩ');c.dot((5,0))
|
||||
c.port('V',(5,4),'+3V3_MAIN',loc='top');c.res('R_PULLUP',(5,4),(5,0),'+3V3_MAIN','MCU_STATUS','Pull-up\nValue TBD')
|
||||
c.wire((5,0),(10,0));c.port('M',(10,0),'MCU_STATUS',loc='right');c.label((5,6),'VNL5050S5-E · open-drain diagnostic',size=18);c.save()
|
||||
|
||||
c=Circuit('logic-output','Protected 5 V logic output','IO_MODULES/DIGITAL_OUTPUTS.md: Protected 5 V logic outputs')
|
||||
c.port('J',(0,0),'MCU GPIO');c.wire((0,0),(3,0));c.dot((3,0))
|
||||
c.res('R_IN_PD',(3,0),(3,-3),'MCU GPIO','GND');c.ground('GI',(3,-3),'GND')
|
||||
b=c.block('U',(6,-1),'TPS4H000-Q1\nVBB = +5V_AUX',[('INx','MCU GPIO')],[('OUTx','LOGIC_OUTx')],w=4)
|
||||
c.wire((3,0),b.INx);c.wire(b.OUTx,(13,0));c.dot((13,0));c.res('R_OUT_PD',(13,0),(13,-3),'LOGIC_OUTx','GND');c.ground('GO',(13,-3),'GND')
|
||||
c.wire((13,0),(17,0));c.port('O',(17,0),'LOGIC_OUTx',loc='right')
|
||||
c.label((8,3),'5 V high-side logic output',size=18)
|
||||
c.label((8,-5.5),'+5V_MAIN → eFuse / load switch → +5V_AUX. Connector TVS selection is specified in the text.',size=11);c.save()
|
||||
|
||||
c=Circuit('sink-command','Low-side command default states','IO_MODULES/DIGITAL_OUTPUTS.md: Protected low-side outputs')
|
||||
for i,(net,pin) in enumerate([('MCU GPIO','INx'),('MCU enable','EN')]):
|
||||
y=-i*6
|
||||
c.port('J'+str(i),(0,y),net);c.wire((0,y),(4,y));c.dot((4,y))
|
||||
c.res('R_IN_PD' if i==0 else 'R_EN_PD',(4,y),(4,y-2.5),net,'LOCAL_GND')
|
||||
c.ground('G'+str(i),(4,y-2.5),'LOCAL_GND')
|
||||
c.wire((4,y),(9,y));c.component('U'+str(i),'driver-pin',{pin:net},'TLE9104SH '+pin)
|
||||
c.d.add(e.Dot(open=True).at((9,y)).label('TLE9104SH '+pin,loc='right'))
|
||||
c.label((4,2),'TLE9104SH · default-low commands',size=18);c.save()
|
||||
|
||||
def equation_gate(c,ref,xy,a,b,out,invert_b=False):
|
||||
x,y=xy
|
||||
gate=c.d.add(logic.And(inputs=2,inputnots=[2] if invert_b else []).at(xy).right())
|
||||
c.component(ref,'and-with-inverted-B' if invert_b else 'and',{'A':a,'B':b,'Y':out})
|
||||
for idx,(anchor,net) in enumerate([(gate.in1,a),(gate.in2,b)]):
|
||||
yy=y+1.4 if idx==0 else y-1.4
|
||||
start=(x-5,yy); c.port(ref+'P'+str(idx),start,net)
|
||||
c.wire(start,(x-1.2,yy));c.wire((x-1.2,yy),(x-1.2,anchor.y));c.wire((x-1.2,anchor.y),anchor)
|
||||
c.wire(gate.out,(x+5,y));c.port(ref+'O',(x+5,y),out,loc='right')
|
||||
|
||||
c=Circuit('deadman-permit','Hardware engine-permit equations','IO_MODULES/DEAD_MAN.md: Logic equations')
|
||||
equation_gate(c,'VALID',(0,0),'DEADMAN_A_HELD','DEADMAN_B_RELEASED','DEADMAN_OK',True)
|
||||
equation_gate(c,'PERMIT',(0,-6),'DEADMAN_OK','MCU_RUN_PERMIT','ENGINE_PERMIT')
|
||||
c.label((0,3),'Hardware permission · 5 V gate outputs',size=18)
|
||||
c.label((0,-9),'Bubble inverts channel B. MCU_RUN_PERMIT is 3.3 V; gates must accept that input level.',size=11);c.save()
|
||||
|
||||
c=Circuit('deadman-outputs','Hardware permitted output commands','IO_MODULES/DEAD_MAN.md: Logic equations')
|
||||
equation_gate(c,'INJECT',(0,0),'ENGINE_PERMIT','MCU_INJECTOR_SIG','SAFE_INJECTOR_SIG')
|
||||
gate=c.d.add(logic.Not().at((0,-6)).right());c.component('INHIBIT','not',{'A':'ENGINE_PERMIT','Y':'SAFE_IGNITION_INHIBIT'})
|
||||
c.port('I',(-5,-6),'ENGINE_PERMIT');c.wire((-5,-6),gate.in1);c.wire(gate.out,(5,-6));c.port('O',(5,-6),'SAFE_IGNITION_INHIBIT',loc='right')
|
||||
c.label((0,3),'Injector permission and ignition inhibit',size=18)
|
||||
c.label((0,-8),'SAFE_IGNITION_INHIBIT: high = inhibited. Supply-loss default states require the documented bias networks.',size=11);c.save()
|
||||
|
||||
print('Wrote 10 SVG circuits, previews and topology manifests.')
|
||||
@@ -0,0 +1,38 @@
|
||||
<?xml version='1.0' encoding='utf-8'?>
|
||||
<mxfile host="app.diagrams.net">
|
||||
<diagram name="Optional analogue-output provision" id="dac-output">
|
||||
<mxGraphModel page="1" pageWidth="1040" pageHeight="270" grid="1" gridSize="10">
|
||||
<root>
|
||||
<mxCell id="0" />
|
||||
<mxCell id="1" parent="0" />
|
||||
<mxCell id="node_title" value="Optional analogue-output provision" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=26;fontColor=#172b40;strokeColor=#577086;fillColor=#ffffff;spacing=10;strokeColor=none;fillColor=none;align=left;" vertex="1" parent="1">
|
||||
<mxGeometry x="30" y="18" width="980" height="42" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_0" value="MCU DAC" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#e8f0fc;spacing=10;" vertex="1" parent="1">
|
||||
<mxGeometry x="40.0" y="95" width="210.0" height="85" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_1" value="Rail-to-rail buffer" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#e8f0fc;spacing=10;" vertex="1" parent="1">
|
||||
<mxGeometry x="290.0" y="95" width="210.0" height="85" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="e0" source="node_0" target="node_1" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=0;strokeWidth=2;strokeColor=#416680;fontSize=16;fontFamily=DejaVu Sans;labelBackgroundColor=#ffffff;endArrow=block;endFill=1;exitX=1;exitY=0.5;entryX=0;entryY=0.5;" edge="1" parent="1">
|
||||
<mxGeometry relative="1" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_2" value="Protection / series impedance" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#e8f0fc;spacing=10;" vertex="1" parent="1">
|
||||
<mxGeometry x="540.0" y="95" width="210.0" height="85" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="e1" source="node_1" target="node_2" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=0;strokeWidth=2;strokeColor=#416680;fontSize=16;fontFamily=DejaVu Sans;labelBackgroundColor=#ffffff;endArrow=block;endFill=1;exitX=1;exitY=0.5;entryX=0;entryY=0.5;" edge="1" parent="1">
|
||||
<mxGeometry relative="1" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_3" value="Connector" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#e8f0fc;spacing=10;" vertex="1" parent="1">
|
||||
<mxGeometry x="790.0" y="95" width="210.0" height="85" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="e2" source="node_2" target="node_3" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=0;strokeWidth=2;strokeColor=#416680;fontSize=16;fontFamily=DejaVu Sans;labelBackgroundColor=#ffffff;endArrow=block;endFill=1;exitX=1;exitY=0.5;entryX=0;entryY=0.5;" edge="1" parent="1">
|
||||
<mxGeometry relative="1" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_note195" value="Provision only; final electrical range, load and protection remain to be defined." style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=16;fontColor=#172b40;strokeColor=#577086;fillColor=#ffffff;spacing=10;strokeColor=none;fillColor=none;align=left;" vertex="1" parent="1">
|
||||
<mxGeometry x="30" y="195" width="980" height="60" as="geometry" />
|
||||
</mxCell>
|
||||
</root>
|
||||
</mxGraphModel>
|
||||
</diagram>
|
||||
</mxfile>
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 21 KiB |
File diff suppressed because one or more lines are too long
|
After Width: | Height: | Size: 9.5 KiB |
@@ -0,0 +1,59 @@
|
||||
<?xml version='1.0' encoding='utf-8'?>
|
||||
<mxfile host="app.diagrams.net">
|
||||
<diagram name="Deadman contacts and observations" id="deadman-inputs">
|
||||
<mxGraphModel page="1" pageWidth="1040" pageHeight="650" grid="1" gridSize="10">
|
||||
<root>
|
||||
<mxCell id="0" />
|
||||
<mxCell id="1" parent="0" />
|
||||
<mxCell id="node_title" value="Deadman contacts and observations" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=26;fontColor=#172b40;strokeColor=#577086;fillColor=#ffffff;spacing=10;strokeColor=none;fillColor=none;align=left;" vertex="1" parent="1">
|
||||
<mxGeometry x="30" y="18" width="980" height="42" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_As" value="Protected 5 V Independent NO contact A" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#fff1d6;spacing=10;" vertex="1" parent="1">
|
||||
<mxGeometry x="30" y="100" width="260" height="80" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_Ap" value="Protected input A Own filter + default-low bias" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#e8f0fc;spacing=10;" vertex="1" parent="1">
|
||||
<mxGeometry x="370" y="100" width="290" height="80" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_Ah" value="DEADMAN_A_HELD 5 V · non-inverting" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#e8f0fc;spacing=10;" vertex="1" parent="1">
|
||||
<mxGeometry x="750" y="100" width="260" height="80" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_Ad" value="DEADMAN_A_STATUS 3.3 V · held = high → MCU" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#e8f4ed;spacing=10;" vertex="1" parent="1">
|
||||
<mxGeometry x="370" y="220" width="330" height="75" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="e0" source="node_As" target="node_Ap" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=0;strokeWidth=2;strokeColor=#416680;fontSize=16;fontFamily=DejaVu Sans;labelBackgroundColor=#ffffff;endArrow=block;endFill=1;exitX=1;exitY=0.5;entryX=0;entryY=0.5;" edge="1" parent="1">
|
||||
<mxGeometry relative="1" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="e1" source="node_Ap" target="node_Ah" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=0;strokeWidth=2;strokeColor=#416680;fontSize=16;fontFamily=DejaVu Sans;labelBackgroundColor=#ffffff;endArrow=block;endFill=1;exitX=1;exitY=0.5;entryX=0;entryY=0.5;" edge="1" parent="1">
|
||||
<mxGeometry relative="1" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="e2" source="node_Ap" target="node_Ad" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=0;strokeWidth=2;strokeColor=#416680;fontSize=16;fontFamily=DejaVu Sans;labelBackgroundColor=#ffffff;endArrow=block;endFill=1;exitX=0.5;exitY=1;entryX=0.5;entryY=0;" edge="1" parent="1">
|
||||
<mxGeometry relative="1" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_Bs" value="Protected 5 V Independent NO contact B" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#fff1d6;spacing=10;" vertex="1" parent="1">
|
||||
<mxGeometry x="30" y="345" width="260" height="80" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_Bp" value="Protected input B Own filter + default-low bias" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#e8f0fc;spacing=10;" vertex="1" parent="1">
|
||||
<mxGeometry x="370" y="345" width="290" height="80" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_Bh" value="DEADMAN_B_RELEASED 5 V · inverting" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#e8f0fc;spacing=10;" vertex="1" parent="1">
|
||||
<mxGeometry x="750" y="345" width="260" height="80" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_Bd" value="DEADMAN_B_STATUS 3.3 V · held = high → MCU" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#e8f4ed;spacing=10;" vertex="1" parent="1">
|
||||
<mxGeometry x="370" y="465" width="330" height="75" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="e3" source="node_Bs" target="node_Bp" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=0;strokeWidth=2;strokeColor=#416680;fontSize=16;fontFamily=DejaVu Sans;labelBackgroundColor=#ffffff;endArrow=block;endFill=1;exitX=1;exitY=0.5;entryX=0;entryY=0.5;" edge="1" parent="1">
|
||||
<mxGeometry relative="1" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="e4" source="node_Bp" target="node_Bh" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=0;strokeWidth=2;strokeColor=#416680;fontSize=16;fontFamily=DejaVu Sans;labelBackgroundColor=#ffffff;endArrow=block;endFill=1;exitX=1;exitY=0.5;entryX=0;entryY=0.5;" edge="1" parent="1">
|
||||
<mxGeometry relative="1" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="e5" source="node_Bp" target="node_Bd" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;html=0;strokeWidth=2;strokeColor=#416680;fontSize=16;fontFamily=DejaVu Sans;labelBackgroundColor=#ffffff;endArrow=block;endFill=1;exitX=0.5;exitY=1;entryX=0.5;entryY=0;" edge="1" parent="1">
|
||||
<mxGeometry relative="1" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_note575" value="Separate harness paths. MCU status observations are diagnostic; the 5 V signals feed the permit gates." style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=16;fontColor=#172b40;strokeColor=#577086;fillColor=#ffffff;spacing=10;strokeColor=none;fillColor=none;align=left;" vertex="1" parent="1">
|
||||
<mxGeometry x="30" y="575" width="980" height="60" as="geometry" />
|
||||
</mxCell>
|
||||
</root>
|
||||
</mxGraphModel>
|
||||
</diagram>
|
||||
</mxfile>
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 59 KiB |
File diff suppressed because one or more lines are too long
|
After Width: | Height: | Size: 17 KiB |
Binary file not shown.
|
After Width: | Height: | Size: 41 KiB |
File diff suppressed because one or more lines are too long
|
After Width: | Height: | Size: 5.6 KiB |
@@ -0,0 +1,99 @@
|
||||
{
|
||||
"title": "Hardware permitted output commands",
|
||||
"source": "IO_MODULES/DEAD_MAN.md: Logic equations",
|
||||
"reference_scope": "documentation only",
|
||||
"components": [
|
||||
{
|
||||
"ref": "INJECT",
|
||||
"kind": "and",
|
||||
"pins": [
|
||||
"A",
|
||||
"B",
|
||||
"Y"
|
||||
],
|
||||
"value": ""
|
||||
},
|
||||
{
|
||||
"ref": "INJECTP0",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "ENGINE_PERMIT"
|
||||
},
|
||||
{
|
||||
"ref": "INJECTP1",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "MCU_INJECTOR_SIG"
|
||||
},
|
||||
{
|
||||
"ref": "INJECTO",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "SAFE_INJECTOR_SIG"
|
||||
},
|
||||
{
|
||||
"ref": "INHIBIT",
|
||||
"kind": "not",
|
||||
"pins": [
|
||||
"A",
|
||||
"Y"
|
||||
],
|
||||
"value": ""
|
||||
},
|
||||
{
|
||||
"ref": "I",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "ENGINE_PERMIT"
|
||||
},
|
||||
{
|
||||
"ref": "O",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "SAFE_IGNITION_INHIBIT"
|
||||
}
|
||||
],
|
||||
"nets": [
|
||||
{
|
||||
"name": "ENGINE_PERMIT",
|
||||
"connections": [
|
||||
"INJECT.A",
|
||||
"INJECTP0.P",
|
||||
"INHIBIT.A",
|
||||
"I.P"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "MCU_INJECTOR_SIG",
|
||||
"connections": [
|
||||
"INJECT.B",
|
||||
"INJECTP1.P"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "SAFE_INJECTOR_SIG",
|
||||
"connections": [
|
||||
"INJECT.Y",
|
||||
"INJECTO.P"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "SAFE_IGNITION_INHIBIT",
|
||||
"connections": [
|
||||
"INHIBIT.Y",
|
||||
"O.P"
|
||||
]
|
||||
}
|
||||
],
|
||||
"no_connects": []
|
||||
}
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 44 KiB |
File diff suppressed because one or more lines are too long
|
After Width: | Height: | Size: 7.9 KiB |
@@ -0,0 +1,115 @@
|
||||
{
|
||||
"title": "Hardware engine-permit equations",
|
||||
"source": "IO_MODULES/DEAD_MAN.md: Logic equations",
|
||||
"reference_scope": "documentation only",
|
||||
"components": [
|
||||
{
|
||||
"ref": "VALID",
|
||||
"kind": "and-with-inverted-B",
|
||||
"pins": [
|
||||
"A",
|
||||
"B",
|
||||
"Y"
|
||||
],
|
||||
"value": ""
|
||||
},
|
||||
{
|
||||
"ref": "VALIDP0",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "DEADMAN_A_HELD"
|
||||
},
|
||||
{
|
||||
"ref": "VALIDP1",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "DEADMAN_B_RELEASED"
|
||||
},
|
||||
{
|
||||
"ref": "VALIDO",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "DEADMAN_OK"
|
||||
},
|
||||
{
|
||||
"ref": "PERMIT",
|
||||
"kind": "and",
|
||||
"pins": [
|
||||
"A",
|
||||
"B",
|
||||
"Y"
|
||||
],
|
||||
"value": ""
|
||||
},
|
||||
{
|
||||
"ref": "PERMITP0",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "DEADMAN_OK"
|
||||
},
|
||||
{
|
||||
"ref": "PERMITP1",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "MCU_RUN_PERMIT"
|
||||
},
|
||||
{
|
||||
"ref": "PERMITO",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "ENGINE_PERMIT"
|
||||
}
|
||||
],
|
||||
"nets": [
|
||||
{
|
||||
"name": "DEADMAN_A_HELD",
|
||||
"connections": [
|
||||
"VALID.A",
|
||||
"VALIDP0.P"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "DEADMAN_B_RELEASED",
|
||||
"connections": [
|
||||
"VALID.B",
|
||||
"VALIDP1.P"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "DEADMAN_OK",
|
||||
"connections": [
|
||||
"VALID.Y",
|
||||
"VALIDO.P",
|
||||
"PERMIT.A",
|
||||
"PERMITP0.P"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "MCU_RUN_PERMIT",
|
||||
"connections": [
|
||||
"PERMIT.B",
|
||||
"PERMITP1.P"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "ENGINE_PERMIT",
|
||||
"connections": [
|
||||
"PERMIT.Y",
|
||||
"PERMITO.P"
|
||||
]
|
||||
}
|
||||
],
|
||||
"no_connects": []
|
||||
}
|
||||
@@ -0,0 +1,35 @@
|
||||
"""Export only .drawio inputs, verify SVG content, and build PNG previews.
|
||||
|
||||
Run with ~/.venvs/codex-schematics/bin/python. The desktop renderer may need
|
||||
execution outside a restricted Electron sandbox. It never edits source XML.
|
||||
"""
|
||||
from pathlib import Path
|
||||
import shutil
|
||||
import subprocess
|
||||
import tempfile
|
||||
import xml.etree.ElementTree as ET
|
||||
import cairosvg
|
||||
|
||||
OUT=Path(__file__).resolve().parent
|
||||
sources=sorted(OUT.glob('*.drawio'))
|
||||
assert sources, 'No draw.io sources found'
|
||||
with tempfile.TemporaryDirectory(prefix='neoecu-drawio-') as tmp:
|
||||
for source in sources: shutil.copy2(source,Path(tmp)/source.name)
|
||||
subprocess.run(['/usr/bin/drawio','-x','-f','svg','-e','-b','20','--svg-theme','light','-o',str(OUT),tmp],check=True)
|
||||
|
||||
ET.register_namespace('', 'http://www.w3.org/2000/svg')
|
||||
ET.register_namespace('xlink', 'http://www.w3.org/1999/xlink')
|
||||
for source in sources:
|
||||
svg=source.with_suffix('.svg')
|
||||
tree=ET.parse(svg);root=tree.getroot()
|
||||
assert any(e.tag.endswith('text') for e in root.iter()),f'Empty figure: {svg}'
|
||||
# draw.io emits an irrelevant fallback warning even for native SVG text.
|
||||
# Remove only that advisory, and only when there is no foreignObject text.
|
||||
assert not any(e.tag.endswith('foreignObject') for e in root.iter()),f'Nonportable SVG text: {svg}'
|
||||
for parent in root.iter():
|
||||
for child in list(parent):
|
||||
if child.tag.endswith('switch') and 'Text is not SVG - cannot display' in ''.join(child.itertext()):
|
||||
parent.remove(child)
|
||||
tree.write(svg,encoding='utf-8',xml_declaration=True)
|
||||
cairosvg.svg2png(url=str(svg),write_to=str(svg.with_suffix('.png')),background_color='white')
|
||||
print(f'Exported and checked {len(sources)} block figures.')
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 56 KiB |
File diff suppressed because one or more lines are too long
|
After Width: | Height: | Size: 7.2 KiB |
@@ -0,0 +1,149 @@
|
||||
{
|
||||
"title": "Ignition timing and inhibit protection",
|
||||
"source": "IO_MODULES/IGNITION.md: Command and inhibit path",
|
||||
"reference_scope": "documentation only",
|
||||
"components": [
|
||||
{
|
||||
"ref": "J0",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "STM32 timing (3.3 V)"
|
||||
},
|
||||
{
|
||||
"ref": "BUFFER",
|
||||
"kind": "functional-block",
|
||||
"pins": [
|
||||
"IN",
|
||||
"OUT"
|
||||
],
|
||||
"value": "Non-inverting\n3.3 V \u2192 5 V"
|
||||
},
|
||||
{
|
||||
"ref": "RP0",
|
||||
"kind": "resistor",
|
||||
"pins": [
|
||||
"1",
|
||||
"2"
|
||||
],
|
||||
"value": "1 k\u03a9"
|
||||
},
|
||||
{
|
||||
"ref": "Z0",
|
||||
"kind": "zener",
|
||||
"pins": [
|
||||
"K",
|
||||
"A"
|
||||
],
|
||||
"value": "Low-C clamp\nVoltage TBD"
|
||||
},
|
||||
{
|
||||
"ref": "G0",
|
||||
"kind": "ground-port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "VBG_LOCAL_KELVIN"
|
||||
},
|
||||
{
|
||||
"ref": "U0",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "INP"
|
||||
},
|
||||
{
|
||||
"ref": "J1",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "SAFE_IGNITION_INHIBIT"
|
||||
},
|
||||
{
|
||||
"ref": "RP1",
|
||||
"kind": "resistor",
|
||||
"pins": [
|
||||
"1",
|
||||
"2"
|
||||
],
|
||||
"value": "1 k\u03a9"
|
||||
},
|
||||
{
|
||||
"ref": "Z1",
|
||||
"kind": "zener",
|
||||
"pins": [
|
||||
"K",
|
||||
"A"
|
||||
],
|
||||
"value": "Low-C clamp\nVoltage TBD"
|
||||
},
|
||||
{
|
||||
"ref": "G1",
|
||||
"kind": "ground-port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "VBG_LOCAL_KELVIN"
|
||||
},
|
||||
{
|
||||
"ref": "U1",
|
||||
"kind": "port",
|
||||
"pins": [
|
||||
"P"
|
||||
],
|
||||
"value": "EN"
|
||||
}
|
||||
],
|
||||
"nets": [
|
||||
{
|
||||
"name": "STM32 timing (3.3 V)",
|
||||
"connections": [
|
||||
"J0.P",
|
||||
"BUFFER.IN"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "TIMING_5V",
|
||||
"connections": [
|
||||
"BUFFER.OUT",
|
||||
"RP0.1"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "INP",
|
||||
"connections": [
|
||||
"RP0.2",
|
||||
"Z0.K",
|
||||
"U0.P"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "VBG_LOCAL_KELVIN",
|
||||
"connections": [
|
||||
"Z0.A",
|
||||
"G0.P",
|
||||
"Z1.A",
|
||||
"G1.P"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "SAFE_IGNITION_INHIBIT",
|
||||
"connections": [
|
||||
"J1.P",
|
||||
"RP1.1"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "EN",
|
||||
"connections": [
|
||||
"RP1.2",
|
||||
"Z1.K",
|
||||
"U1.P"
|
||||
]
|
||||
}
|
||||
],
|
||||
"no_connects": []
|
||||
}
|
||||
@@ -0,0 +1,32 @@
|
||||
<?xml version='1.0' encoding='utf-8'?>
|
||||
<mxfile host="app.diagrams.net">
|
||||
<diagram name="Ignition current-flag diagnostic" id="ignition-flag">
|
||||
<mxGraphModel page="1" pageWidth="1040" pageHeight="270" grid="1" gridSize="10">
|
||||
<root>
|
||||
<mxCell id="0" />
|
||||
<mxCell id="1" parent="0" />
|
||||
<mxCell id="node_title" value="Ignition current-flag diagnostic" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=26;fontColor=#172b40;strokeColor=#577086;fillColor=#ffffff;spacing=10;strokeColor=none;fillColor=none;align=left;" vertex="1" parent="1">
|
||||
<mxGeometry x="30" y="18" width="980" height="42" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_0" value="VBG08H-E C.F. Open-drain output" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#e8f0fc;spacing=10;" vertex="1" parent="1">
|
||||
<mxGeometry x="40.0" y="95" width="293.3333333333333" height="85" as="geometry" />
|
||||
</mxCell>
|
||||
<mxCell id="node_1" value="Reference-style R/C filter +3V3_MAIN pull-up" style="rounded=1;html=0;fontFamily=DejaVu Sans;fontSize=18;fontColor=#172b40;strokeColor=#577086;fillColor=#e8f0fc;spacing=10;" vertex="1" parent="1">
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Reference in New Issue
Block a user