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https://github.com/alexandrebobkov/ESP-Nodes.git
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49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
#ifndef JOYSTICK_H
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#define JOYSTICK_H
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#include "driver/adc.h"
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#include "esp_adc/adc_oneshot.h"
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static int x, y;
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static adc_oneshot_unit_handle_t adc_xy_handle;
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static esp_err_t joystick_adc_init() {
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adc_oneshot_unit_init_cfg_t adc_init_config_xy = {
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.unit_id = ADC_UNIT_1,
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.ulp_mode = ADC_ULP_MODE_DISABLE,
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};
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ESP_ERROR_CHECK(adc_oneshot_new_unit(&adc_init_config_xy, &adc_xy_handle));
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adc_oneshot_chan_cfg_t config_x = {
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.bitwidth = SOC_ADC_DIGI_MAX_BITWIDTH,
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.atten = ADC_ATTEN_DB_12,
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};
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adc_oneshot_chan_cfg_t config_y = {
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.bitwidth = SOC_ADC_DIGI_MAX_BITWIDTH,
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.atten = ADC_ATTEN_DB_12,
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};
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ESP_ERROR_CHECK(adc_oneshot_config_channel(adc_xy_handle, ADC1_CHANNEL_0, &config_x));
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ESP_ERROR_CHECK(adc_oneshot_config_channel(adc_xy_handle, ADC1_CHANNEL_1, &config_y));
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return ESP_OK;
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}
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static void joystick_show_raw_xy() {
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ESP_ERROR_CHECK(adc_oneshot_read(adc_xy_handle, ADC1_CHANNEL_0, &x));
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ESP_ERROR_CHECK(adc_oneshot_read(adc_xy_handle, ADC1_CHANNEL_1, &y));
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ESP_LOGI("(x,y)", "( %d, %d )", x, y);
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}
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static void get_joystick_xy(int* x_axis, int* y_axis) {
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ESP_ERROR_CHECK(adc_oneshot_read(adc_xy_handle, ADC1_CHANNEL_0, &x_axis));
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ESP_ERROR_CHECK(adc_oneshot_read(adc_xy_handle, ADC1_CHANNEL_1, &y_axis));
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}
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static void joystick_task(void *arg) {
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while (true) {
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joystick_show_raw_xy();
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vTaskDelay (10 / portTICK_PERIOD_MS);
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}
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}
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#endif |