修改ML5238的通过温度变化5度，零票校准

Signed-off-by: huhui <huhui@sharkgulf.com>

Application/app/sox/state.c

@@ -24,7 +24,7 @@ static u32 _bms_main_task_handler(void);
 static void _debug_timer_handler(shark_timer_t *t);
 
 static bms_state_t _bms_state;
-static int8_t pcb_temp = 100;
+static int pcb_temp = 100;
 static int pcb_temp_count = 0;
 static int ml5238_cali_count = 0;
 static shark_task_t _bms_main_task = {.handler = _bms_main_task_handler};
@@ -515,11 +515,12 @@ static void _voltage_notify(void){
 }
 
 static void _temperature_notify(void){
-	if (abs(pcb_temp - measure_value()->pack_temp[PCB_TEMP_INDEX]) >= 5){//pcb温度变化超过5度，需要重新校准ML5238
+	int pcb_current_temp = measure_value()->pack_temp[PCB_TEMP_INDEX];
+	if (abs(pcb_temp - pcb_current_temp) >= 5){//pcb温度变化超过5度，需要重新校准ML5238
 		if (pcb_temp_count ++ >= 5) {
 			current_calibrate();
-			pcb_temp = measure_value()->pack_temp[PCB_TEMP_INDEX];
-			state_warning("ML5238 calibrate!!\n");
+			state_warning("ML5238 calibrate, %d -> %d!!\n", pcb_temp, pcb_current_temp);
+			pcb_temp = pcb_current_temp;
 			pcb_temp_count = 0;
 			ml5238_cali_count ++;
 		}