adc read ok, very slow

This commit is contained in:
2026-04-05 11:16:10 +02:00
parent 1109681eb5
commit a2d0afa0c9
5 changed files with 43 additions and 30 deletions

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@@ -49,7 +49,7 @@ upload_port = /dev/ttyACM2
upload_speed = 921600
;Monitor configuration
monitor_speed = 115200
monitor_speed = 921600
monitor_port = /dev/ttyACM2
; Debug configuration

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@@ -1,5 +1,8 @@
#pragma once
// Library defines
#define ADS1256_SPI_ALREADY_STARTED
// Device Libraries
#include <ADS1256.h>
#include <AD5292.h>

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@@ -19,7 +19,13 @@
// #define CH_B_ENABLE
#define TEST
void printTaskStats() {
float freqToRPM(float freq)
{
return freq * 60.0f; // 1 pulse per revolution
}
void printTaskStats()
{
char buffer[1024];
vTaskGetRunTimeStats(buffer);
Serial.println(buffer);
@@ -102,14 +108,15 @@ void loop()
bool spiA_ok = true;
bool spiB_ok = true;
#ifndef TEST
// Init 2 SPI interfaces
SPIClass SPI_A(FSPI);
spiA_ok = SPI_A.begin(SPI_A_SCK, SPI_A_MISO, SPI_A_MOSI);
SPI_A.setDataMode(SPI_MODE1); // ADS1256 requires SPI mode 1
#ifndef TEST
SPIClass SPI_B(HSPI);
spiB_ok = SPI_B.begin(SPI_B_SCK, SPI_B_MISO, SPI_B_MOSI);
#endif
SPI_B.setDataMode(SPI_MODE1); // ADS1256 requires SPI mode 1
#endif
if (!spiA_ok || !spiB_ok)
{
LOG_ERROR("Unable to Initialize SPI Busses");
@@ -119,13 +126,13 @@ void loop()
}
LOG_INFO("Init SPI OK");
#ifndef TEST
// Init ADC_A
dev.adc_a = new ADS1256(ADC_A_DRDY, ADC_A_RST, ADC_A_SYNC, ADC_A_CS, 2.5, &SPI_A);
dev.adc_a = new ADS1256(ADC_A_DRDY, ADS1256::PIN_UNUSED, ADC_A_SYNC, ADC_A_CS, 2.5, &SPI_A);
dev.adc_a->InitializeADC();
dev.adc_a->setPGA(PGA_1);
dev.adc_a->setDRATE(DRATE_1000SPS);
dev.adc_a->setDRATE(DRATE_30000SPS);
#ifndef TEST
// Init ADC_B
dev.adc_a = new ADS1256(ADC_B_DRDY, ADC_B_RST, ADC_B_SYNC, ADC_B_CS, 2.5, &SPI_B);
dev.adc_a->InitializeADC();
@@ -194,10 +201,10 @@ void loop()
printField("Missed Firing", missed_firings12, 0, 2);
printField("Spark Dly", (uint32_t)ignA.coils12.spark_delay, 0, 3);
printField("Spark Sts", sparkStatusNames.at(ignA.coils12.spark_status), 0, 4);
// printField("Peak P_IN", ignA.coils12.peak_p_in, 0, 5);
// printField("Peak P_OUT", ignA.coils12.peak_p_out, 0, 6);
// printField("Peak N_IN", ignA.coils12.peak_n_in, 0, 7);
// printField("Peak N_OUT", ignA.coils12.peak_n_out, 0, 8);
printField("Peak P_IN", ignA.coils12.peak_p_in, 0, 5);
printField("Peak N_IN", ignA.coils12.peak_n_in, 0, 7);
printField("Peak P_OUT", ignA.coils12.peak_p_out, 0, 6);
printField("Peak N_OUT", ignA.coils12.peak_n_out, 0, 8);
printField("Soft Start ", softStartStatusNames.at(ignA.coils12.sstart_status), 0, 9);
Serial.println("========== Coils 34 =============");
@@ -205,22 +212,24 @@ void loop()
printField("Missed Firing", missed_firings34, 0, 12);
printField("Spark Dly", (uint32_t)ignA.coils34.spark_delay, 0, 13);
printField("Spark Sts", sparkStatusNames.at(ignA.coils34.spark_status), 0, 14);
// printField("Peak P_IN", ignA.coils34.peak_p_in, 0, 15);
// printField("Peak P_OUT", ignA.coils34.peak_p_out, 0, 16);
// printField("Peak N_IN", ignA.coils34.peak_n_in, 0, 17);
// printField("Peak N_OUT", ignA.coils34.peak_n_out, 0, 18);
printField("Peak P_IN", ignA.coils34.peak_p_in, 0, 15);
printField("Peak N_IN", ignA.coils34.peak_n_in, 0, 17);
printField("Peak P_OUT", ignA.coils34.peak_p_out, 0, 16);
printField("Peak N_OUT", ignA.coils34.peak_n_out, 0, 18);
printField("Soft Start ", softStartStatusNames.at(ignA.coils34.sstart_status), 0, 19);
Serial.println("========== END =============");
Serial.println();
auto delta = (esp_timer_get_time() - last) / 1000000.0f; //in seconds
delta = delta > 0 ? 1.0f / delta : 0; // Calculate frequency (Hz)
printField("Frequency (Hz)", delta, 0, 21);
auto freq = (esp_timer_get_time() - last) / 1000000.0f; // in seconds
freq = freq > 0 ? 1.0f / freq : 0; // Calculate frequency (Hz)
printField("Engine RPM", freqToRPM(freq), 0, 21);
printField("Queue Errors", (uint32_t)ignA.n_queue_errors, 0, 22);
last = esp_timer_get_time();
} else
}
else
{
Serial.println("Waiting for data... ");;
Serial.println("Waiting for data... ");
delay(500);
}
}

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@@ -48,19 +48,17 @@
// =====================
#define ADC_A_CS 4
#define ADC_A_DRDY 5
#define ADC_A_RST 6
#define ADC_A_SYNC 7
#define ADC_A_SYNC 6
#define ADC_B_CS 14
#define ADC_B_DRDY 15
#define ADC_B_RST 16
#define ADC_B_SYNC 17
#define ADC_B_SYNC 16
// =====================
// DIGITAL POT
// =====================
//#define POT_A_CS 1
//#define POT_B_CS 2
#define POT_A_CS 7
#define POT_B_CS 17
// =====================
// TRIGGER INPUT INTERRUPTS

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@@ -162,6 +162,7 @@ void rtIgnitionTask(void *pvParameters)
continue;
}
// Select coil status reference based on pickup_flag
coilsStatus *coils;
switch (pickup_flag)
{
@@ -176,6 +177,7 @@ void rtIgnitionTask(void *pvParameters)
break;
}
// Select logic based on pickup and spark flags
switch (pickup_flag)
{
case TRIG_FLAG_12P:
@@ -249,7 +251,6 @@ void rtIgnitionTask(void *pvParameters)
{
cycle12 = false;
cycle34 = false;
// vTaskDelay(pdMS_TO_TICKS(1)); // delay 1ms to allow peak detectors to charge for negative cycle
// read adc channels: pickup12, out12 [ pos + neg ]
if (adc) // read only if adc initialized
{
@@ -283,7 +284,9 @@ void rtIgnitionTask(void *pvParameters)
ign_box_sts.timestamp = esp_timer_get_time(); // update data timestamp
if (xQueueSendToBack(rt_queue, (void *)&ign_box_sts, 0) != pdPASS)
{
ign_box_sts.n_queue_errors++;
static uint32_t n_errors = 0;
n_errors++;
ign_box_sts.n_queue_errors = n_errors;
LOG_ERROR("Failed to send to rt_queue");
}
}