lpc-fw: disable brownout reset during sleep; clean up status prints

reform2-lpc-fw/src/boards/reform2/board_reform2.c

@@ -39,7 +39,7 @@
 
 // don't forget to set this to the correct rev for your motherboard!
 // if you have a motherboard made in 2023 (2.5 R-2):
-#define REFORM_MOTHERBOARD_REV REFORM_MBREV_25_R2
+//#define REFORM_MOTHERBOARD_REV REFORM_MBREV_25_R2
 // if you have a motherboard made before 2023 (2.0 R-3):
 //#define REFORM_MOTHERBOARD_REV REFORM_MBREV_20_R3
 
@@ -526,12 +526,17 @@ void turn_aux_power_off(void) {
   //LPC_GPIO->CLR[0] = (1 << 7);  // AUX 3v3 off (R1+)
 }
 
-void brownout_setup(void) {
+void brownout_enable(void) {
   // Set brownout threshold to 1.46-1.63V (lowest level)
   // and enable brownout reset (BODRSTENA)
   LPC_SYSCON->BODCTRL = 0x0 | (1<<4);
 }
 
+void brownout_disable(void) {
+  // disable brownout reset (BODRSTENA)
+  LPC_SYSCON->BODCTRL = 0x0;
+}
+
 void watchdog_feed(void) {
   __disable_irq();
   LPC_WWDT->FEED = 0xAA;
@@ -544,7 +549,7 @@ void watchdog_feed(void) {
 
 void boardInit(void)
 {
-  brownout_setup();
+  brownout_enable();
 
   SystemCoreClockUpdate();
   GPIOInit();
@@ -748,26 +753,27 @@ void handle_commands() {
         uartSend((uint8_t*)uartBuffer, strlen(uartBuffer));
       }
       else if (remote_cmd == 's') {
-        int acc_mah = (int)(capacity_accu_ampsecs/3.6);
         int min_mah = (int)(capacity_min_ampsecs/3.6);
+        int acc_mah = (int)(capacity_accu_ampsecs/3.6);
+        int max_mah = (int)(capacity_max_ampsecs/3.6);
 
         // get charger system state
         if (state == ST_CHARGE) {
-          sprintf(uartBuffer,"norm(%d) min:%d mAh:%d up:%d rev:"FW_REV"\r",cycles_in_state,min_mah,acc_mah,cycles_uptime);
+          sprintf(uartBuffer,"norm:%d mAh:%d:%d:%d up:%d "FW_REV"\r",cycles_in_state,min_mah,acc_mah,max_mah,cycles_uptime);
         } else if (state == ST_OVERVOLTED) {
-          sprintf(uartBuffer,"baln(%d) min:%d mAh:%d up:%d rev:"FW_REV"\r",cycles_in_state,min_mah,acc_mah,cycles_uptime);
+          sprintf(uartBuffer,"baln:%d mAh:%d:%d:%d up:%d "FW_REV"\r",cycles_in_state,min_mah,acc_mah,max_mah,cycles_uptime);
         } else if (state == ST_COOLDOWN) {
-          sprintf(uartBuffer,"cool(%d) min:%d mAh:%d up:%d rev:"FW_REV"\r",cycles_in_state,min_mah,acc_mah,cycles_uptime);
+          sprintf(uartBuffer,"cool:%d mAh:%d:%d:%d up:%d "FW_REV"\r",cycles_in_state,min_mah,acc_mah,max_mah,cycles_uptime);
         } else if (state == ST_UNDERVOLTED) {
-          sprintf(uartBuffer,"uvol(%d) min:%d mAh:%d up:%d rev:"FW_REV"\r",cycles_in_state,min_mah,acc_mah,cycles_uptime);
+          sprintf(uartBuffer,"uvol:%d mAh:%d:%d:%d up:%d "FW_REV"\r",cycles_in_state,min_mah,acc_mah,max_mah,cycles_uptime);
         } else if (state == ST_MISSING) {
-          sprintf(uartBuffer,"miss:%d(%d) min:%d mAh:%d up:%d rev:"FW_REV"\r",missing_reason,cycles_in_state,min_mah,acc_mah,cycles_uptime);
+          sprintf(uartBuffer,"miss:%d:%d mAh:%d:%d:%d up:%d "FW_REV"\r",missing_reason,cycles_in_state,min_mah,acc_mah,max_mah,cycles_uptime);
         } else if (state == ST_FULLY_CHARGED) {
-          sprintf(uartBuffer,"full(%d) min:%d mAh:%d up:%d rev:"FW_REV"\r",cycles_in_state,min_mah,acc_mah,cycles_uptime);
+          sprintf(uartBuffer,"full:%d mAh:%d:%d:%d up:%d "FW_REV"\r",cycles_in_state,min_mah,acc_mah,max_mah,cycles_uptime);
         } else if (state == ST_POWERSAVE) {
-          sprintf(uartBuffer,"psav(%d) min:%d mAh:%d up:%d rev:"FW_REV"\r",cycles_in_state,min_mah,acc_mah,cycles_uptime);
+          sprintf(uartBuffer,"psav:%d mAh:%d:%d:%d up:%d "FW_REV"\r",cycles_in_state,min_mah,acc_mah,max_mah,cycles_uptime);
         } else {
-          sprintf(uartBuffer,"unkn:%d(%d) min:%d mAh:%d up:%d rev:"FW_REV"\r",state,cycles_in_state,min_mah,acc_mah,cycles_uptime);
+          sprintf(uartBuffer,"unkn:%d:%d mAh:%d:%d:%d up:%d "FW_REV"\r",state,cycles_in_state,min_mah,acc_mah,max_mah,cycles_uptime);
         }
 
         uartSend((uint8_t*)uartBuffer, strlen(uartBuffer));
@@ -1089,6 +1095,8 @@ void WDT_IRQHandler(void) {
 
 // WARNING: take care not to overflow TC (11786 * secs)
 void deep_sleep_seconds(int secs) {
+  // brownout reset seems to interfere with deep sleep
+  brownout_disable();
 
   // make WWDTINT wake the LPC up from sleep
   // STARTERP1 WWDTINT bit 12
@@ -1140,6 +1148,8 @@ void deep_sleep_seconds(int secs) {
 
   NVIC_DisableIRQ(WDT_IRQn);
   LPC_WWDT->MOD = 0;
+
+  brownout_enable();
 }
 
 int main(void) {