DigitalInfinity/ESP32-PaxCounter
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power.cpp bugfixes AXP192 i2c r/w

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This commit is contained in:
Verkehrsrot 2019-10-12 16:00:22 +02:00
parent 06814d3190
commit a4805660cf
1 changed files with 14 additions and 16 deletions
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24
src/power.cpp
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@ -86,7 +86,8 @@ void AXP192_showstatus(void) {
void AXP192_init(void) { void AXP192_init(void) {
if (pmu.begin(i2c_readBytes, i2c_writeBytes, AXP192_PRIMARY_ADDRESS) == AXP_FAIL) if (pmu.begin(i2c_readBytes, i2c_writeBytes, AXP192_PRIMARY_ADDRESS) ==
AXP_FAIL)
ESP_LOGI(TAG, "AXP192 PMU initialization failed"); ESP_LOGI(TAG, "AXP192 PMU initialization failed");
else { else {
@ -127,16 +128,18 @@ uint8_t i2c_readBytes(uint8_t addr, uint8_t reg, uint8_t *data, uint8_t len) {
Wire.write(reg); Wire.write(reg);
Wire.endTransmission(false); Wire.endTransmission(false);
uint8_t cnt = Wire.requestFrom(addr, (uint8_t)len, (uint8_t)1); uint8_t cnt = Wire.requestFrom(addr, (uint8_t)len, (uint8_t)1);
if (!cnt) { if (!cnt)
ret = 0xFF; ret = 0xFF;
}
uint16_t index = 0; uint16_t index = 0;
while (Wire.available()) { while (Wire.available()) {
if (index > len) if (index > len) {
return 0xFF; ret = 0xFF;
goto finish;
}
data[index++] = Wire.read(); data[index++] = Wire.read();
} }
finish:
I2C_MUTEX_UNLOCK(); // release i2c bus access I2C_MUTEX_UNLOCK(); // release i2c bus access
return ret; return ret;
} else { } else {
@ -157,8 +160,8 @@ uint8_t i2c_writeBytes(uint8_t addr, uint8_t reg, uint8_t *data, uint8_t len) {
ret = Wire.endTransmission(); ret = Wire.endTransmission();
I2C_MUTEX_UNLOCK(); // release i2c bus access I2C_MUTEX_UNLOCK(); // release i2c bus access
return ret ? 0xFF : ret; // return ret ? 0xFF : ret;
//return ret ? ret : 0xFF; return ret ? ret : 0xFF;
} else { } else {
ESP_LOGW(TAG, "[%0.3f] i2c mutex lock failed", millis() / 1000.0); ESP_LOGW(TAG, "[%0.3f] i2c mutex lock failed", millis() / 1000.0);
return 0xFF; return 0xFF;
@ -222,12 +225,7 @@ uint16_t read_voltage() {
uint16_t voltage = 0; uint16_t voltage = 0;
#ifdef HAS_PMU #ifdef HAS_PMU
// if (!I2C_MUTEX_LOCK())
// ESP_LOGW(TAG, "[%0.3f] i2c mutex lock failed", millis() / 1000.0);
// else {
voltage = pmu.isVBUSPlug() ? 0xffff : pmu.getBattVoltage(); voltage = pmu.isVBUSPlug() ? 0xffff : pmu.getBattVoltage();
// I2C_MUTEX_UNLOCK();
// }
#else #else
#ifdef BAT_MEASURE_ADC #ifdef BAT_MEASURE_ADC
@ -243,7 +241,7 @@ uint16_t read_voltage() {
ESP_ERROR_CHECK(adc2_get_raw(adc_channel, ADC_WIDTH_BIT_12, &adc_buf)); ESP_ERROR_CHECK(adc2_get_raw(adc_channel, ADC_WIDTH_BIT_12, &adc_buf));
adc_reading += adc_buf; adc_reading += adc_buf;
} }
#endif #endif // BAT_MEASURE_ADC_UNIT
adc_reading /= NO_OF_SAMPLES; adc_reading /= NO_OF_SAMPLES;
// Convert ADC reading to voltage in mV // Convert ADC reading to voltage in mV
voltage = esp_adc_cal_raw_to_voltage(adc_reading, adc_characs); voltage = esp_adc_cal_raw_to_voltage(adc_reading, adc_characs);