Obbart/AstroRotaxMonitor
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ADC Testing

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This commit is contained in:
Emanuele Trabattoni
2026-04-17 09:13:05 +02:00
parent 1b7a531d54
commit 5aa5aaa07a
5 changed files with 530 additions and 530 deletions
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35
RotaxMonitor/src/main.cpp
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@@ -53,7 +53,7 @@ void setup()
IPAddress gateway(10, 11, 12, 1);
IPAddress subnet(255, 255, 255, 0);
WiFi.softAPConfig(local_IP, gateway, subnet);
WiFi.setTxPower(WIFI_POWER_13dBm); // reduce wifi power
WiFi.setTxPower(WIFI_POWER_5dBm); // reduce wifi power
if (WiFi.softAP(WIFI_SSID, WIFI_PASSWORD))
{
LOG_INFO("WiFi AP Mode Started");
@@ -117,19 +117,42 @@ void loop()
#endif
// Init ADCs
dev->m_adc_a = std::make_unique<ADS1256>(ADC_A_DRDY, ADS1256::PIN_UNUSED, ADS1256::PIN_UNUSED, ADC_A_CS, 2.5, &SPI_A);
#ifdef CH_B_ENABLE
#ifdef CH_B_ENABLE
dev->m_adc_b = std::make_unique<ADS1256>(ADC_B_DRDY, ADS1256::PIN_UNUSED, ADS1256::PIN_UNUSED, ADC_B_CS, 2.5, &SPI_B);
#endif
#endif
// Configure ADCs
dev->m_adc_a->InitializeADC();
dev->m_adc_a->setPGA(PGA_1);
dev->m_adc_a->setDRATE(DRATE_7500SPS);
#ifdef CH_B_ENABLE
// dev->m_adc_a->setDRATE(DRATE_15000SPS);
#ifdef CH_B_ENABLE
dev->m_adc_b->InitializeADC();
dev->m_adc_b->setPGA(PGA_1);
dev->m_adc_b->setDRATE(DRATE_7500SPS);
dev->m_adc_b->setDRATE(DRATE_30000SPS);
#endif
LOG_DEBUG("Init SPI OK");
uint8_t chs[8] = {
SING_0, SING_1, SING_2, SING_3, SING_4, SING_5, SING_6, SING_7
};
float res[8];
while (Serial.read() != 's') // The conversion is stopped by a character received from the serial port
{
clearScreen();
auto start = esp_timer_get_time();
for (int i = 0; i < 8; i++){
// dev->m_adc_a->setMUX(chs[i]);
res[i] = dev->m_adc_a->convertToVoltage(dev->m_adc_a->cycleSingle());
}
auto stop = esp_timer_get_time();
for (int j = 0; j < 8; j++){
Serial.printf("ADC_A SING_%d: %5.4f\n",j, res[j]);
}
Serial.printf("ADC Time: %u us\n", stop-start);
delay(100);
}
dev->m_adc_a->stopConversion();
//////// INIT I2C INTERFACES ////////
LOG_DEBUG("Init I2C Interfaces");