raduet/CCSModuleSW30Web
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Add fire alarm handling for DC30 CCS main controller.

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Latch fire alarm until reboot, block recovery commands, and send periodic Everest ESTOP while active.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
raduet
2026-06-10 16:01:22 +02:00
parent 1be17330fa
commit fb766dfa66
18 changed files with 3766 additions and 4113 deletions
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Core/Src/serial.c
+32 -3
View File
@@ -9,6 +9,7 @@
#include "charger_config.h"
#include "psu_control.h"
#include "serial_control.h"
#include "fire_alarm.h"
extern UART_HandleTypeDef huart3;
extern uint8_t config_initialized;
@@ -175,6 +176,7 @@ void CCS_SerialLoop(void) {
static uint32_t stop_tick = 0;
CCS_UART3_Watchdog();
FireAlarm_Maintain();
if (CONN.connControl != CMD_NONE) {
last_cmd = CONN.connControl;
@@ -216,7 +218,8 @@ void CCS_SerialLoop(void) {
if (((CONN.connControl == CMD_STOP) ||
(CONN.connControl == CMD_FORCE_UNLOCK) ||
(CONN.chargingError != CONN_NO_ERROR)) &&
(CONN.chargingError != CONN_NO_ERROR) ||
FireAlarm_IsLatched()) &&
((int32_t)(HAL_GetTick() - last_stop_sent) > 1000)) {
last_stop_sent = HAL_GetTick();
log_printf(LOG_WARN, "Stopping charging...\n");
@@ -259,6 +262,10 @@ void CCS_SerialLoop(void) {
everest_timed_out = host_timeout_stop;
switch(CCS_ConnectorState){
case CCS_UNKNOWN:
if (FireAlarm_IsLatched()) {
CCS_ConnectorState = CCS_DISABLED;
break;
}
RELAY_Write(RELAY_CP, 0);
CONN_SetState(Unknown);
if (config_initialized && !host_timed_out) {
@@ -268,11 +275,15 @@ void CCS_SerialLoop(void) {
case CCS_DISABLED:
RELAY_Write(RELAY_CP, 0);
CONN_SetState(Disabled);
if ((CONN.chargingError == CONN_NO_ERROR) && !host_timed_out){
if (!FireAlarm_IsLatched() && (CONN.chargingError == CONN_NO_ERROR) && !host_timed_out){
CCS_ConnectorState = CCS_UNPLUGGED;
}
break;
case CCS_UNPLUGGED:
if (FireAlarm_IsLatched()) {
CCS_ConnectorState = CCS_DISABLED;
break;
}
RELAY_Write(RELAY_CP, 1);
CONN_SetState(Unplugged);
if ((cp_state_buffer == EV_STATE_B_CONN_PREP) || (cp_state_buffer == EV_STATE_C_CONN_ACTIVE)){
@@ -285,6 +296,10 @@ void CCS_SerialLoop(void) {
break;
case CCS_AUTH_REQUIRED:
if (FireAlarm_IsLatched()) {
CCS_ConnectorState = CCS_DISABLED;
break;
}
RELAY_Write(RELAY_CP, 1);
CONN_SetState(AuthRequired);
if(CONN.connControl == CMD_START){
@@ -297,6 +312,10 @@ void CCS_SerialLoop(void) {
}
break;
case CCS_CONNECTED:
if (FireAlarm_IsLatched()) {
CCS_ConnectorState = CCS_DISABLED;
break;
}
RELAY_Write(RELAY_CP, 1);
if((CCS_EvseState < Preparing) || (CCS_EvseState == AuthRequired)) {
CONN_SetState(Preparing);
@@ -313,6 +332,10 @@ void CCS_SerialLoop(void) {
}
break;
case CCS_REPLUGGING:
if (FireAlarm_IsLatched()) {
CCS_ConnectorState = CCS_DISABLED;
break;
}
RELAY_Write(RELAY_CP, 0);
CONN_SetState(Replugging);
if((int32_t)(HAL_GetTick() - replug_tick) > 1000){
@@ -335,7 +358,13 @@ void CCS_SerialLoop(void) {
}
// 10s timeout: enforce safe-state until host communication recovers.
if (host_timeout_stop) {
if (FireAlarm_IsLatched()) {
CONN.EnableOutput = 0;
CP_SetDuty(100);
if (CCS_ConnectorState != CCS_DISABLED && CCS_ConnectorState != CCS_UNKNOWN) {
CCS_ConnectorState = CCS_DISABLED;
}
} else if (host_timeout_stop) {
CONN.EnableOutput = 0;
CCS_EvseState = Unknown;
CP_SetDuty(100);