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c++ support

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Blitblank
2025-12-06 23:26:21 -06:00
parent 47a902c2f7
commit 653141d7da
2 changed files with 1 additions and 108 deletions
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2
src/CMakeLists.txt
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@@ -1,5 +1,5 @@
idf_component_register(SRCS "main.c" idf_component_register(SRCS "main.cpp"
PRIV_REQUIRES spi_flash PRIV_REQUIRES spi_flash
REQUIRES esp_driver_gpio REQUIRES esp_driver_gpio
INCLUDE_DIRS ".") INCLUDE_DIRS ".")

107
src/main.c
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@@ -1,107 +0,0 @@
/* 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 <stdio.h>
#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(BLINK_GPIO, s_led_state);
}
static void configure_led(void)
{
ESP_LOGI(TAG, "Example configured to blink GPIO LED!");
gpio_reset_pin(BLINK_GPIO);
/* Set the GPIO as a push/pull output */
gpio_set_direction(BLINK_GPIO, GPIO_MODE_OUTPUT);
}
#else
#error "unsupported LED type"
#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);
}
}