diff --git a/.vscode/settings.json b/.vscode/settings.json new file mode 100644 index 0000000..1ad1dee --- /dev/null +++ b/.vscode/settings.json @@ -0,0 +1,3 @@ +{ + "idf.pythonInstallPath": "/usr/bin/python3" +} \ No newline at end of file diff --git a/src/main.cpp b/src/main.cpp new file mode 100644 index 0000000..c76ad1c --- /dev/null +++ b/src/main.cpp @@ -0,0 +1,114 @@ +/* Blink Example + + This example code is in the Public Domain (or CC0 licensed, at your option.) + + Unless required by applicable law or agreed to in writing, this + software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR + CONDITIONS OF ANY KIND, either express or implied. +*/ +#include +#include "freertos/FreeRTOS.h" +#include "freertos/task.h" +#include "driver/gpio.h" +#include "esp_log.h" +#include "sdkconfig.h" + +#ifdef CONFIG_BLINK_LED_STRIP +#include "led_strip.h" +#endif + +static const char *TAG = "example"; + +/* Use project configuration menu (idf.py menuconfig) to choose the GPIO to blink, + or you can edit the following line and set a number here. +*/ +#define BLINK_GPIO CONFIG_BLINK_GPIO + +static uint8_t s_led_state = 0; + +#ifdef CONFIG_BLINK_LED_STRIP + +static led_strip_handle_t led_strip; + +static void blink_led(void) +{ + /* If the addressable LED is enabled */ + if (s_led_state) { + /* Set the LED pixel using RGB from 0 (0%) to 255 (100%) for each color */ + led_strip_set_pixel(led_strip, 0, 16, 16, 16); + /* Refresh the strip to send data */ + led_strip_refresh(led_strip); + } else { + /* Set all LED off to clear all pixels */ + led_strip_clear(led_strip); + } +} + +static void configure_led(void) +{ + ESP_LOGI(TAG, "Example configured to blink addressable LED!"); + /* LED strip initialization with the GPIO and pixels number*/ + led_strip_config_t strip_config = { + .strip_gpio_num = BLINK_GPIO, + .max_leds = 1, // at least one LED on board + }; +#if CONFIG_BLINK_LED_STRIP_BACKEND_RMT + led_strip_rmt_config_t rmt_config = { + .resolution_hz = 10 * 1000 * 1000, // 10MHz + .flags.with_dma = false, + }; + ESP_ERROR_CHECK(led_strip_new_rmt_device(&strip_config, &rmt_config, &led_strip)); +#elif CONFIG_BLINK_LED_STRIP_BACKEND_SPI + led_strip_spi_config_t spi_config = { + .spi_bus = SPI2_HOST, + .flags.with_dma = true, + }; + ESP_ERROR_CHECK(led_strip_new_spi_device(&strip_config, &spi_config, &led_strip)); +#else +#error "unsupported LED strip backend" +#endif + /* Set all LED off to clear all pixels */ + led_strip_clear(led_strip); +} + +#elif CONFIG_BLINK_LED_GPIO + +static void blink_led(void) +{ + /* Set the GPIO level according to the state (LOW or HIGH)*/ + gpio_set_level((gpio_num_t)BLINK_GPIO, s_led_state); +} + +static void configure_led(void) +{ + ESP_LOGI(TAG, "Example configured to blink GPIO LED!"); + gpio_reset_pin((gpio_num_t)BLINK_GPIO); + /* Set the GPIO as a push/pull output */ + gpio_set_direction((gpio_num_t)BLINK_GPIO, GPIO_MODE_OUTPUT); +} + +#else +#error "unsupported LED type" +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +void app_main(void) +{ + /* Configure the peripheral according to the LED type */ + configure_led(); + + while (1) { + ESP_LOGI(TAG, "Turning the LED %s!", s_led_state == true ? "ON" : "OFF"); + blink_led(); + /* Toggle the LED state */ + s_led_state = !s_led_state; + vTaskDelay(CONFIG_BLINK_PERIOD / portTICK_PERIOD_MS); + } +} + +#ifdef __cplusplus +} +#endif