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# ESP32 Neopixel Driver
High-performance low-level driver for WS2812B LEDs.
# Example Application
```cpp
#include <sys/fcntl.h>
#include <sys/unistd.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include "esp_log.h"
#include "driver/gpio.h"
#include "neopixel.h"
#include "helpers.h"
#define PIXEL_COUNT 44
#define NEOPIXEL_PIN GPIO_NUM_27
void app_main(void)
{
tNeopixelContext neopixel;
uint32_t iteration;
uint32_t refreshRate;
uint32_t taskDelay;
neopixel = neopixel_Init(PIXEL_COUNT, NEOPIXEL_PIN);
refreshRate = neopixel_GetRefreshRate(neopixel);
ESP_LOGI(__func__, "Refresh rate: %" PRIu32, refreshRate);
iteration = 0;
taskDelay = MAX(1, pdMS_TO_TICKS(1000UL / refreshRate));
for(;;)
{
tNeopixel pixel[] =
{
{ (iteration) % PIXEL_COUNT, NP_RGB(0, 0, 0) },
{ (iteration+5) % PIXEL_COUNT, NP_RGB(0, 0, 1) },
};
neopixel_SetPixel(neopixel, pixel, ARRAY_SIZE(pixel));
++iteration;
vTaskDelay(taskDelay);
}
neopixel_Deinit(neopixel);
}
```
Links
Supports all targets
License: MIT
To add this component to your project, run:
or
download archive
idf.py add-dependency "zorxx/neopixel^1.0.0"
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