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Prevent ADC rollover

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This commit is contained in:
Ben V. Brown
2024-05-25 21:25:09 +10:00
parent c6dcd85c3a
commit 307fc2f404
4 changed files with 11 additions and 9 deletions
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8
source/Core/BSP/Pinecilv2/IRQ.cpp
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@@ -33,7 +33,6 @@ void read_adc_fifo(void) {
if (pending_readings != 8) {
MSG((char *)"Discarding out of sync adc %d\r\n", pending_readings);
} else {
MSG((char *)"FIFO Count %d\r\n", pending_readings);
while (pending_readings) {
pending_readings--;
uint32_t raw_reading = ADC_Read_FIFO();
@@ -45,11 +44,6 @@ void read_adc_fifo(void) {
ADC_Temp.update(parsed.value << 2);
break;
case TIP_TEMP_ADC_CHANNEL: {
int32_t avg = ADC_Tip.average();
int32_t delta = (int32_t)parsed.value - (avg >> 2);
if (delta > 4000) {
MSG((char *)"ADC Chan %d -> %d -> %d\r\n", pending_readings, parsed.value, delta);
}
ADC_Tip.update(parsed.value << 2);
} break;
case VIN_ADC_CHANNEL:
@@ -60,7 +54,6 @@ void read_adc_fifo(void) {
}
}
}
ADC_FIFO_Clear();
// unblock the PID controller thread
if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED) {
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
@@ -88,6 +81,7 @@ void timer0_comp0_callback(void) {
// Timer 0 is used to co-ordinate the ADC and the output PWM
void timer0_comp1_callback(void) {
ADC_FIFO_Clear();
ADC_Start();
TIMER_ClearIntStatus(TIMER_CH0, TIMER_COMP_ID_1);
}