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Reworking raw adc, handle temp done

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Pre seed adc values

Pinecil port

Update PIDThread.cpp

TRGO is more stable for timing (buffered)?
This commit is contained in:
Ben V. Brown
2021-09-11 10:45:15 +10:00
committed by Ben V. Brown
parent fc47c71ec3
commit af0adb0708
14 changed files with 153 additions and 205 deletions
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77
source/Core/BSP/Miniware/BSP.cpp
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@@ -93,12 +93,12 @@ static const uint16_t NTCHandleLookup[] = {
};
#endif
uint16_t getHandleTemperature() {
uint16_t getHandleTemperature(uint8_t sample) {
int32_t result = getADCHandleTemp(sample);
#ifdef TEMP_NTC
// TS80P uses 100k NTC resistors instead
// NTCG104EF104FT1X from TDK
// For now not doing interpolation
int32_t result = getADC(0);
for (uint32_t i = 0; i < (sizeof(NTCHandleLookup) / (2 * sizeof(uint16_t))); i++) {
if (result > NTCHandleLookup[(i * 2) + 0]) {
return NTCHandleLookup[(i * 2) + 1] * 10;
@@ -114,7 +114,6 @@ uint16_t getHandleTemperature() {
// mV per count So we need to subtract an offset of 0.5V to center on 0C
// (4964.8 counts)
//
int32_t result = getADC(0);
result -= 4965; // remove 0.5V offset
// 10mV per C
// 99.29 counts per Deg C above 0C. Tends to read a tad over across all of my sample units
@@ -122,72 +121,18 @@ uint16_t getHandleTemperature() {
result /= 994;
return result;
#endif
}
uint16_t getTipInstantTemperature() {
uint16_t sum = 0; // 12 bit readings * 8 -> 15 bits
uint16_t readings[8];
// Looking to reject the highest outlier readings.
// As on some hardware these samples can run into the op-amp recovery time
// Once this time is up the signal stabilises quickly, so no need to reject minimums
readings[0] = hadc1.Instance->JDR1;
readings[1] = hadc1.Instance->JDR2;
readings[2] = hadc1.Instance->JDR3;
readings[3] = hadc1.Instance->JDR4;
readings[4] = hadc2.Instance->JDR1;
readings[5] = hadc2.Instance->JDR2;
readings[6] = hadc2.Instance->JDR3;
readings[7] = hadc2.Instance->JDR4;
for (int i = 0; i < 8; i++) {
sum += readings[i];
}
return sum; // 8x over sample
}
uint16_t getTipRawTemp(uint8_t refresh) {
if (refresh) {
uint16_t lastSample = getTipInstantTemperature();
rawTempFilter.update(lastSample);
return lastSample;
} else {
return rawTempFilter.average();
}
return 0;
}
uint16_t getInputVoltageX10(uint16_t divisor, uint8_t sample) {
// ADC maximum is 32767 == 3.3V at input == 28.05V at VIN
// Therefore we can divide down from there
// Multiplying ADC max by 4 for additional calibration options,
// ideal term is 467
#ifdef MODEL_TS100
#define BATTFILTERDEPTH 32
#else
#define BATTFILTERDEPTH 8
#endif
static uint8_t preFillneeded = 10;
static uint32_t samples[BATTFILTERDEPTH];
static uint8_t index = 0;
if (preFillneeded) {
for (uint8_t i = 0; i < BATTFILTERDEPTH; i++)
samples[i] = getADC(1);
preFillneeded--;
}
if (sample) {
samples[index] = getADC(1);
index = (index + 1) % BATTFILTERDEPTH;
}
uint32_t sum = 0;
for (uint8_t i = 0; i < BATTFILTERDEPTH; i++)
sum += samples[i];
sum /= BATTFILTERDEPTH;
if (divisor == 0) {
divisor = 1;
}
return sum * 4 / divisor;
// ADC maximum is 32767 == 3.3V at input == 28.05V at VIN
// Therefore we can divide down from there
// Multiplying ADC max by 4 for additional calibration options,
// ideal term is 467
uint32_t res = getADCVin(sample);
res *= 4;
res /= divisor;
return res;
}
void setTipPWM(uint8_t pulse) {