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Fix Rivian ignition #2163

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Merged
sshane merged 4 commits into from
Feb 24, 2025
Merged

Fix Rivian ignition #2163

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abbc23f
fix rivian ignition
sshane Feb 24, 2025
4bbc0c4
rm
sshane Feb 24, 2025
66d252f
fix
sshane Feb 24, 2025
ea0f6ca
wtf copilot
sshane Feb 24, 2025
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15 changes: 11 additions & 4 deletions board/drivers/can_common.h
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Original file line number Diff line number Diff line change
Expand Up @@ -182,10 +182,17 @@ void ignition_can_hook(CANPacket_t *to_push) {

// Tesla Model 3/Y exception
if ((addr == 0x221) && (len == 8)) {
// VCFRONT_LVPowerState->VCFRONT_vehiclePowerState
int power_state = (GET_BYTE(to_push, 0) >> 5U) & 0x3U;
ignition_can = power_state == 0x3; // VEHICLE_POWER_STATE_DRIVE=3
ignition_can_cnt = 0U;
// 0x221 overlaps with Rivian which has random data on byte 0
static int prev_counter = -1;
int counter = GET_BYTE(to_push, 6) >> 4;

if ((counter == ((prev_counter + 1) % 16)) && (prev_counter != -1)) {
// VCFRONT_LVPowerState->VCFRONT_vehiclePowerState
int power_state = (GET_BYTE(to_push, 0) >> 5U) & 0x3U;
ignition_can = power_state == 0x3; // VEHICLE_POWER_STATE_DRIVE=3
ignition_can_cnt = 0U;
}
prev_counter = counter;
}

// Mazda exception
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