j3d1/esp-open-rtos
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Added WS2812 driver and examples (squashed commits)

Browse source
This commit is contained in:
Ondřej Hruška 2016-03-01 14:06:40 +01:00
parent 798d5c7488
commit e97dca4859
5 changed files with 421 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

44
extras/ws2812/ws2812.c Normal file
View file

@ -0,0 +1,44 @@
/**
* @file ws2812b.c
* @brief ESP8266 driver for WS2812B
* @author Ondřej Hruška, (c) 2016
*
* MIT License
*/
#include "espressif/esp_common.h" // sdk_os_delay_us
#include "FreeRTOS.h"
#include "task.h"
#include <stdint.h>
#include "ws2812.h"
/** Set one RGB LED color */
void ws2812_set(uint8_t gpio_num, uint32_t rgb)
{
ws2812_seq_start();
ws2812_seq_rgb(gpio_num, rgb);
ws2812_seq_end();
}
/** Set many RGBs */
void ws2812_set_many(uint8_t gpio_num, uint32_t *rgbs, size_t count)
{
ws2812_seq_start();
for (size_t i = 0; i < count; i++) {
uint32_t rgb = *rgbs++;
ws2812_seq_rgb(gpio_num, rgb);
}
ws2812_seq_end();
}
/** Set one RGB to black (when used as indicator) */
void ws2812_off(uint8_t gpio_num)
{
ws2812_set(gpio_num, 0x000000);
}