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This commit is contained in:
Jonas Hahn
2025-12-26 23:40:25 +01:00
parent d4034fedd6
commit af1ba47c4f
1 changed files with 7 additions and 5 deletions
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12
main/station_example_main.c
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@@ -24,7 +24,7 @@
#define SERVER_URL "http://192.168.178.157:8080/data"
#define NUM_MEASUREMENTS 100000
#define NUM_MEASUREMENTS 20000
#define CHANNEL ADC_CHANNEL_6
#define CALIBRATION_FACTOR 1600.0f
@@ -137,8 +137,10 @@ static void adc_init(void)
}
}
const double upper = 0.24107260247486464 * CALIBRATION_FACTOR + CALIBRATION_FACTOR;
const double lower = -0.2247819992266048 * CALIBRATION_FACTOR + CALIBRATION_FACTOR;
const double upper = 1931.009445512987;
const double lower = 1371.4123048766235;
const double nominal_v = 230.0;
static float read_voltage(void)
{
@@ -148,8 +150,8 @@ static float read_voltage(void)
ESP_ERROR_CHECK(adc_cali_raw_to_voltage(cali_handle, raw, &mv));
}
return (float)mv;
// return (mv - lower) / (upper - lower) * 2.0 * 325.0 - 325.0;
// return (float)mv;
return (mv - lower) / (upper - lower) * 2.0 * nominal_v - nominal_v;
}
/* ===================== HTTP ===================== */