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esp_adc: defined an example macro for attenuation

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This commit is contained in:
Armando
2022-09-08 19:23:09 +08:00
parent 8d976eafbd
commit 05e232ca98
1 changed files with 5 additions and 3 deletions
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8
examples/peripherals/adc/oneshot_read/main/oneshot_read_main.c
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@@ -37,6 +37,8 @@ const static char *TAG = "EXAMPLE";
#endif
#endif
#define EXAMPLE_ADC_ATTEN ADC_ATTEN_DB_11
static int adc_raw[2][10];
static int voltage[2][10];
static bool example_adc_calibration_init(adc_unit_t unit, adc_atten_t atten, adc_cali_handle_t *out_handle);
@@ -55,14 +57,14 @@ void app_main(void)
//-------------ADC1 Config---------------//
adc_oneshot_chan_cfg_t config = {
.bitwidth = ADC_BITWIDTH_DEFAULT,
.atten = ADC_ATTEN_DB_11,
.atten = EXAMPLE_ADC_ATTEN,
};
ESP_ERROR_CHECK(adc_oneshot_config_channel(adc1_handle, EXAMPLE_ADC1_CHAN0, &config));
ESP_ERROR_CHECK(adc_oneshot_config_channel(adc1_handle, EXAMPLE_ADC1_CHAN1, &config));
//-------------ADC1 Calibration Init---------------//
adc_cali_handle_t adc1_cali_handle = NULL;
bool do_calibration1 = example_adc_calibration_init(ADC_UNIT_1, ADC_ATTEN_DB_11, &adc1_cali_handle);
bool do_calibration1 = example_adc_calibration_init(ADC_UNIT_1, EXAMPLE_ADC_ATTEN, &adc1_cali_handle);
#if (SOC_ADC_PERIPH_NUM >= 2)
@@ -76,7 +78,7 @@ void app_main(void)
//-------------ADC2 Calibration Init---------------//
adc_cali_handle_t adc2_cali_handle = NULL;
bool do_calibration2 = example_adc_calibration_init(ADC_UNIT_2, ADC_ATTEN_DB_11, &adc2_cali_handle);
bool do_calibration2 = example_adc_calibration_init(ADC_UNIT_2, EXAMPLE_ADC_ATTEN, &adc2_cali_handle);
//-------------ADC2 Config---------------//
ESP_ERROR_CHECK(adc_oneshot_config_channel(adc2_handle, EXAMPLE_ADC2_CHAN0, &config));