Files
firmware/src/nrf52/PmuBQ25703A.cpp
2020-05-21 20:31:22 -07:00

100 lines
2.7 KiB
C++

#ifdef ARDUINO_NRF52840_PPR
#include "PmuBQ25703A.h"
#include <assert.h>
// Default address for device. Note, it is without read/write bit. When read with analyser,
// this will appear 1 bit shifted to the left
#define BQ25703ADevaddr 0xD6
const byte Lorro_BQ25703A::BQ25703Aaddr = BQ25703ADevaddr;
void PmuBQ25703A::init()
{
// Set the watchdog timer to not have a timeout
regs.chargeOption0.set_WDTMR_ADJ(0);
assert(writeRegEx(regs.chargeOption0)); // FIXME, instead log a critical hw failure and reboot
delay(15); // FIXME, why are these delays required? - check datasheet
// Set the ADC on IBAT and PSYS to record values
// When changing bitfield values, call the writeRegEx function
// This is so you can change all the bits you want before sending out the byte.
regs.chargeOption1.set_EN_IBAT(1);
regs.chargeOption1.set_EN_PSYS(1);
assert(writeRegEx(regs.chargeOption1));
delay(15);
// Set ADC to make continuous readings. (uses more power)
regs.aDCOption.set_ADC_CONV(1);
// Set individual ADC registers to read. All have default off.
regs.aDCOption.set_EN_ADC_VBUS(1);
regs.aDCOption.set_EN_ADC_PSYS(1);
regs.aDCOption.set_EN_ADC_IDCHG(1);
regs.aDCOption.set_EN_ADC_ICHG(1);
regs.aDCOption.set_EN_ADC_VSYS(1);
regs.aDCOption.set_EN_ADC_VBAT(1);
// Once bits have been twiddled, send bytes to device
assert(writeRegEx(regs.aDCOption));
delay(15);
}
#endif
/*
//Initialise the device and library
Lorro_BQ25703A BQ25703A;
//Instantiate with reference to global set
extern Lorro_BQ25703A::Regt BQ25703Areg;
uint32_t previousMillis;
uint16_t loopInterval = 1000;
void setup() {
Serial.begin(115200);
}
void loop() {
uint32_t currentMillis = millis();
if( currentMillis - previousMillis > loopInterval ){
previousMillis = currentMillis;
Serial.print( "Voltage of VBUS: " );
Serial.print( BQ25703Areg.aDCVBUSPSYS.get_VBUS() );
Serial.println( "mV" );
delay( 15 );
Serial.print( "System power usage: " );
Serial.print( BQ25703Areg.aDCVBUSPSYS.get_sysPower() );
Serial.println( "W" );
delay( 15 );
Serial.print( "Voltage of VBAT: " );
Serial.print( BQ25703Areg.aDCVSYSVBAT.get_VBAT() );
Serial.println( "mV" );
delay( 15 );
Serial.print( "Voltage of VSYS: " );
Serial.print( BQ25703Areg.aDCVSYSVBAT.get_VSYS() );
Serial.println( "mV" );
delay( 15 );
Serial.print( "Charging current: " );
Serial.print( BQ25703Areg.aDCIBAT.get_ICHG() );
Serial.println( "mA" );
delay( 15 );
Serial.print( "Voltage of VSYS: " );
Serial.print( BQ25703Areg.aDCIBAT.get_IDCHG() );
Serial.println( "mA" );
delay( 15 );
}
}*/