mirror of
https://github.com/markqvist/RNode_Firmware.git
synced 2024-12-27 08:29:42 -05:00
107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
#if BOARD_MODEL == BOARD_TBEAM
|
|
#include <axp20x.h>
|
|
AXP20X_Class PMU;
|
|
|
|
void disablePeripherals() {
|
|
PMU.setPowerOutPut(AXP192_DCDC1, AXP202_OFF);
|
|
PMU.setPowerOutPut(AXP192_LDO2, AXP202_OFF);
|
|
PMU.setPowerOutPut(AXP192_LDO3, AXP202_OFF);
|
|
}
|
|
#elif BOARD_MODEL == BOARD_RNODE_NG_21 || BOARD_MODEL == BOARD_LORA32_V2_1
|
|
#define BAT_V_MIN 3.4
|
|
#define BAT_V_MAX 4.2
|
|
#define BAT_V_CHG 4.345
|
|
#define BAT_V_CHGD 4.31
|
|
const uint8_t pin_vbat = 35;
|
|
#endif
|
|
|
|
uint32_t last_pmu_update = 0;
|
|
uint8_t pmu_target_pps = 1;
|
|
int pmu_update_interval = 1000/pmu_target_pps;
|
|
|
|
void measure_battery() {
|
|
#if BOARD_MODEL == BOARD_RNODE_NG_21 || BOARD_MODEL == BOARD_LORA32_V2_1
|
|
battery_voltage = (float)(analogRead(pin_vbat)) / 4095*2*3.3*1.1;
|
|
battery_percent = ((battery_voltage-BAT_V_MIN) / (BAT_V_MAX-BAT_V_MIN))*100.0;
|
|
|
|
if (battery_percent > 100.0) battery_percent = 100.0;
|
|
|
|
if (battery_voltage > BAT_V_CHG) {
|
|
battery_state = BATTERY_STATE_CHARGING;
|
|
// Serial.printf("Battery charging. Voltage=%.2fv, percentage: %.2f%\n", battery_voltage, battery_percent);
|
|
} else if (battery_voltage > BAT_V_CHGD) {
|
|
battery_state = BATTERY_STATE_CHARGED;
|
|
// Serial.printf("Battery charged. Voltage=%.2fv, percentage: %.2f%\n", battery_voltage, battery_percent);
|
|
} else {
|
|
battery_state = BATTERY_STATE_DISCHARGING;
|
|
// Serial.printf("Battery discharging. Voltage=%.2fv, percentage: %.2f%\n", battery_voltage, battery_percent);
|
|
}
|
|
|
|
#elif BOARD_MODEL == BOARD_TBEAM
|
|
battery_voltage = 0.0;
|
|
battery_percent = 0.0;
|
|
#endif
|
|
}
|
|
|
|
void update_pmu() {
|
|
if (millis()-last_pmu_update >= pmu_update_interval) {
|
|
measure_battery();
|
|
last_pmu_update = millis();
|
|
}
|
|
}
|
|
|
|
bool init_pmu() {
|
|
#if BOARD_MODEL == BOARD_RNODE_NG_21 || BOARD_MODEL == BOARD_LORA32_V2_1
|
|
pinMode(pin_vbat, INPUT);
|
|
return true;
|
|
#elif BOARD_MODEL == BOARD_TBEAM
|
|
Wire.begin(I2C_SDA, I2C_SCL);
|
|
if (PMU.begin(Wire, AXP192_SLAVE_ADDRESS) == AXP_FAIL) return false;
|
|
|
|
// Configure charging indicator
|
|
PMU.setChgLEDMode(AXP20X_LED_OFF);
|
|
|
|
// Turn off unused power sources to save power
|
|
PMU.setPowerOutPut(AXP192_DCDC1, AXP202_OFF);
|
|
PMU.setPowerOutPut(AXP192_DCDC2, AXP202_OFF);
|
|
PMU.setPowerOutPut(AXP192_LDO2, AXP202_OFF);
|
|
PMU.setPowerOutPut(AXP192_LDO3, AXP202_OFF);
|
|
PMU.setPowerOutPut(AXP192_EXTEN, AXP202_OFF);
|
|
|
|
// Set the power of LoRa and GPS module to 3.3V
|
|
PMU.setLDO2Voltage(3300); //LoRa VDD
|
|
PMU.setLDO3Voltage(3300); //GPS VDD
|
|
PMU.setDCDC1Voltage(3300); //3.3V Pin next to 21 and 22 is controlled by DCDC1
|
|
|
|
PMU.setPowerOutPut(AXP192_DCDC1, AXP202_ON);
|
|
|
|
// Turn on SX1276
|
|
PMU.setPowerOutPut(AXP192_LDO2, AXP202_ON);
|
|
|
|
// Turn off GPS
|
|
PMU.setPowerOutPut(AXP192_LDO3, AXP202_OFF);
|
|
|
|
pinMode(PMU_IRQ, INPUT_PULLUP);
|
|
attachInterrupt(PMU_IRQ, [] {
|
|
// pmu_irq = true;
|
|
}, FALLING);
|
|
|
|
PMU.adc1Enable(AXP202_VBUS_VOL_ADC1 |
|
|
AXP202_VBUS_CUR_ADC1 |
|
|
AXP202_BATT_CUR_ADC1 |
|
|
AXP202_BATT_VOL_ADC1,
|
|
AXP202_ON);
|
|
|
|
PMU.enableIRQ(AXP202_VBUS_REMOVED_IRQ |
|
|
AXP202_VBUS_CONNECT_IRQ |
|
|
AXP202_BATT_REMOVED_IRQ |
|
|
AXP202_BATT_CONNECT_IRQ,
|
|
AXP202_ON);
|
|
PMU.clearIRQ();
|
|
|
|
return true;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|