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Changed old adc driver to new driver when ESP-IDF V5

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nopnop2002 2023-01-15 10:18:39 +09:00
parent b375737adb
commit db33a7559b
1 changed files with 39 additions and 53 deletions
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92
MeterDemo/main/main.c
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@ -4,10 +4,14 @@
#include <math.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/adc.h"
#include "esp_adc_cal.h"
#include "esp_log.h"
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 0)
#include "esp_adc/adc_oneshot.h"
#else
#include "driver/adc.h"
#endif
#include "ssd1306.h"
/*
@ -98,52 +102,27 @@ static uint8_t VUMeter1[1024] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
//ADC Attenuation
#define ADC_EXAMPLE_ATTEN ADC_ATTEN_DB_11
//ADC Calibration
#if CONFIG_IDF_TARGET_ESP32
#define ADC_EXAMPLE_CALI_SCHEME ESP_ADC_CAL_VAL_EFUSE_VREF
#elif CONFIG_IDF_TARGET_ESP32S2
#define ADC_EXAMPLE_CALI_SCHEME ESP_ADC_CAL_VAL_EFUSE_TP
#elif CONFIG_IDF_TARGET_ESP32C3
#define ADC_EXAMPLE_CALI_SCHEME ESP_ADC_CAL_VAL_EFUSE_TP
#elif CONFIG_IDF_TARGET_ESP32S3
#define ADC_EXAMPLE_CALI_SCHEME ESP_ADC_CAL_VAL_EFUSE_TP_FIT
#endif
static esp_adc_cal_characteristics_t adc1_chars;
static esp_adc_cal_characteristics_t adc2_chars;
static bool adc_calibration_init(void)
{
esp_err_t ret;
bool cali_enable = false;
ret = esp_adc_cal_check_efuse(ADC_EXAMPLE_CALI_SCHEME);
if (ret == ESP_ERR_NOT_SUPPORTED) {
ESP_LOGW(TAG, "Calibration scheme not supported, skip software calibration");
} else if (ret == ESP_ERR_INVALID_VERSION) {
ESP_LOGW(TAG, "eFuse not burnt, skip software calibration");
} else if (ret == ESP_OK) {
cali_enable = true;
esp_adc_cal_characterize(ADC_UNIT_1, ADC_EXAMPLE_ATTEN, ADC_WIDTH_BIT_DEFAULT, 0, &adc1_chars);
esp_adc_cal_characterize(ADC_UNIT_2, ADC_EXAMPLE_ATTEN, ADC_WIDTH_BIT_DEFAULT, 0, &adc2_chars);
} else {
ESP_LOGE(TAG, "Invalid arg");
}
return cali_enable;
}
void app_main(void)
{
adc_calibration_init();
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 0)
// ADC1 Init
adc_oneshot_unit_handle_t adc1_handle;
adc_oneshot_unit_init_cfg_t init_config1 = {
.unit_id = ADC_UNIT_1,
};
ESP_ERROR_CHECK(adc_oneshot_new_unit(&init_config1, &adc1_handle));
// ADC1 config
adc_oneshot_chan_cfg_t config = {
.bitwidth = ADC_BITWIDTH_DEFAULT,
.atten = ADC_ATTEN_DB_11,
};
ESP_ERROR_CHECK(adc_oneshot_config_channel(adc1_handle, ADC_CHANNEL_0, &config));
#else
// ADC1 config
ESP_ERROR_CHECK(adc1_config_width(ADC_WIDTH_BIT_DEFAULT));
ESP_ERROR_CHECK(adc1_config_channel_atten(ADC1_CHANNEL_0, ADC_EXAMPLE_ATTEN));
ESP_ERROR_CHECK(adc1_config_channel_atten(ADC1_CHANNEL_0, ADC_ATTEN_DB_11));
#endif
SSD1306_t dev;
@ -199,22 +178,29 @@ void app_main(void)
// Get from internal buffer to local buffer
ssd1306_get_buffer(&dev, buffer);
int hMeter = 65; // horizontal center for needle animation
//int vMeter = 85; // vertical center for needle animation (outside of dislay limits)
int vMeter = 63; // vertical center for needle animation (outside of dislay limits)
int rMeter = 50; // length of needle animation or arch of needle travel
int hMeter = 65; // horizontal center for needle animation
//int vMeter = 85; // vertical center for needle animation (outside of dislay limits)
int vMeter = 63; // vertical center for needle animation (outside of dislay limits)
int rMeter = 50; // length of needle animation or arch of needle travel
while(1) {
//ssd1306_clear_screen(&dev, false);
int sample = adc1_get_raw(ADC1_CHANNEL_0);
int adc_raw;
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 0)
ESP_ERROR_CHECK(adc_oneshot_read(adc1_handle, ADC_CHANNEL_0, &adc_raw));
#else
adc_raw = adc1_get_raw(ADC1_CHANNEL_0);
#endif
// Convert to 10 bits(from 0 to 1023). Because the original code is for ATMEGA328.
#ifndef CONFIG_IDF_TARGET_ESP32S2
sample = sample / 4; // 12 bits -> 10 bits. Because the original code is for ATMEGA328.
adc_raw = adc_raw / 4; // 12 bits -> 10 bits.
#else
// ESP32S2 only support 13 bit width
sample = sample / 8; // 13 bits -> 10 bits. Because the original code is for ATMEGA328.
adc_raw = adc_raw / 8; // 13 bits -> 10 bits.
#endif
ESP_LOGD(TAG, "sample=%d", sample);
float MeterValue = sample * 120.079 / 1023;
ESP_LOGD(TAG, "adc_raw=%d", adc_raw);
float MeterValue = adc_raw * 120.079 / 1023;
MeterValue = MeterValue - 60.039;
int a1 = (hMeter + (sin(MeterValue / 502.64 * 6.283) * rMeter));
int a2 = (vMeter - (cos(MeterValue / 502.64 * 6.283) * rMeter));