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Configurable ADC internal sensor calibration values

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There are MCUs without calibration values for VREFINT and temperature sensors.
Also changed adcTSSlopeK to signed, to handle negative slope case.
This commit is contained in:
jflyper 2018-11-07 17:39:01 +09:00
parent 0ad3fbb5fc
commit 37bee1dcbc
6 changed files with 18 additions and 7 deletions
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11
src/main/drivers/adc_stm32f4xx.c
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@ -133,7 +133,7 @@ void adcInitDevice(ADC_TypeDef *adcdev, int channelCount)
}
#ifdef USE_ADC_INTERNAL
void adcInitInternalInjected(void)
void adcInitInternalInjected(const adcConfig_t *config)
{
ADC_TempSensorVrefintCmd(ENABLE);
ADC_InjectedDiscModeCmd(ADC1, DISABLE);
@ -141,9 +141,10 @@ void adcInitInternalInjected(void)
ADC_InjectedChannelConfig(ADC1, ADC_Channel_Vrefint, 1, ADC_SampleTime_480Cycles);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_TempSensor, 2, ADC_SampleTime_480Cycles);
adcVREFINTCAL = *(uint16_t *)VREFINT_CAL_ADDR;
adcTSCAL1 = *(uint16_t *)TS_CAL1_ADDR;
adcTSCAL2 = *(uint16_t *)TS_CAL2_ADDR;
adcVREFINTCAL = config->vrefIntCalibration ? config->vrefIntCalibration : *(uint16_t *)VREFINT_CAL_ADDR;
adcTSCAL1 = config->tempSensorCalibration1 ? config->tempSensorCalibration1 : *(uint16_t *)TS_CAL1_ADDR;
adcTSCAL2 = config->tempSensorCalibration2 ? config->tempSensorCalibration2 : *(uint16_t *)TS_CAL2_ADDR;
adcTSSlopeK = (110 - 30) * 1000 / (adcTSCAL2 - adcTSCAL1);
}
@ -258,7 +259,7 @@ void adcInit(const adcConfig_t *config)
}
// Initialize for injected conversion
adcInitInternalInjected();
adcInitInternalInjected(config);
if (!adcActive) {
return;