feat: implement control of 5vce

src/datalogger.cpp

@@ -1092,7 +1092,7 @@ void Datalogger::powerDownSwitchableComponents() // called in stopAndAwaitTrigge
 {
   //TODO: hook for sensors that need to be powered down? separate functions?
   //TODO: hook for actuators that need to be powered down?
-  gpioPinOff(GPIO_PIN_3); //turn off 5v booster
+  gpioPinOff(BOOST_5V_ENABLE); //turn off 5v booster // TODO: change to PB12, and update other use of GPIO_PIN_3
   gpioPinOff(GPIO_PIN_6); //not in use currently
   i2c_disable(I2C2);
   digitalWrite(EXADC_RESET,LOW);

src/system/hardware.cpp

@@ -77,7 +77,7 @@ void setupHardwarePins()
   pinMode(ONBOARD_LED_PIN, OUTPUT); // This is the onboard LED ? Turns out this is also the SPI1 clock.  niiiiice.
 
   //pinMode(GPIO_PIN_6, OUTPUT); // GPIO pin available
-  pinMode(GPIO_PIN_3, OUTPUT); // in use for 5v booster
+  pinMode(BOOST_5V_ENABLE, OUTPUT); // in use for 5v booster
 
   //testing all pins
   pinMode(PC10, OUTPUT); //no

src/system/hardware.h

@@ -45,6 +45,7 @@
 #define ANALOG_INPUT_5_PIN PC3 // A6
 
 #define ONBOARD_LED_PIN PA5
+#define BOOST_5V_ENABLE PB12
 
 
 #define GPIO_PIN_1 PA1