Add fire alarm support and update firmware version to 1.0.19

- Introduced CONN_ERR_FIRE_ALARM to handle fire alarm conditions in charger control.
- Added CMD_FIRE_ALARM command for external trigger handling in serial control.
- Updated firmware version from 1.0.17 to 1.0.19.
- Integrated fire alarm functionality into the charging loop and command handler.

Core/Src/charger_control.c

@@ -2,6 +2,7 @@
 
 #include "charger_config.h"
 #include "debug.h"
+#include "fire_alarm.h"
 #include "psu_control.h"
 
 ChargingConnector_t CONN;
@@ -22,7 +23,9 @@ void CONN_Loop(){
 		CONN.connControl = CMD_NONE;
 	}
 
-	if(PSU0.cont_fault){
+	if (FireAlarm_IsLatched()) {
+		CONN.chargingError = CONN_ERR_FIRE_ALARM;
+	} else if(PSU0.cont_fault){
 		CONN.chargingError = CONN_ERR_CONTACTOR;
 	} else if(PSU0.psu_fault){
 		CONN.chargingError = CONN_ERR_PSU_FAULT;

Core/Src/fire_alarm.c

@@ -0,0 +1,20 @@
+#include "fire_alarm.h"
+
+#include "charger_control.h"
+#include "debug.h"
+#include "serial.h"
+
+static uint8_t fire_alarm_latched = 0;
+
+uint8_t FireAlarm_IsLatched(void) {
+    return fire_alarm_latched;
+}
+
+void FireAlarm_Activate(void) {
+    if (fire_alarm_latched) {
+        return;
+    }
+
+    fire_alarm_latched = 1;
+    log_printf(LOG_ERR, "FIRE ALARM activated\n");
+}

Core/Src/serial_handler.c

@@ -3,6 +3,7 @@
 #include "board.h"
 #include "charger_control.h"
 #include "debug.h"
+#include "fire_alarm.h"
 #include "psu_control.h"
 #include "usart.h"
 #include <string.h>
@@ -86,6 +87,10 @@ void SC_CommandHandler(ReceivedCommand_t* cmd) {
             // }
             response_code = RESP_FAILED;
             break;
+        case CMD_FIRE_ALARM:
+            FireAlarm_Activate();
+            response_code = RESP_SUCCESS;
+            break;
         case CMD_DEVICE_RESET:
             // 2. Отправляем SUCCESS (хост может успеть получить его перед ребутом)
             SC_SendPacket(NULL, 0, RESP_SUCCESS);