modules/ws2812/ws2812.c File Reference

#include <mios32.h>
#include <math.h>
#include "ws2812.h"

Defines
#define	WS2812_SUPPORTED   0
#define	WS2812_TIM_OUT_PORT   GPIOB
#define	WS2812_TIM_OUT_PIN   GPIO_Pin_6
#define	WS2812_TIM   TIM4
#define	WS2812_TIM_CCR   WS2812_TIM->CCR1
#define	WS2812_TIM_DMA_TRG   TIM_DMA_CC1
#define	WS2812_TIM_REMAP_FUNC   { GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_TIM4); }
#define	WS2812_TIM_CLK_FUNC   { RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE); }
#define	WS2812_TIM_PERIOD   ((MIOS32_SYS_CPU_FREQUENCY/2) / 800000)
#define	WS2812_TIM_CC_RESET   0
#define	WS2812_TIM_CC_IDLE   WS2812_TIM_PERIOD
#define	WS2812_TIM_CC_LOW   (u16)((WS2812_TIM_PERIOD - 1) * 0.28)
#define	WS2812_TIM_CC_HIGH   (u16)((WS2812_TIM_PERIOD - 1) * 0.74)
#define	WS2812_DMA_PTR   DMA1_Stream0
#define	WS2812_DMA_CHN   DMA_Channel_2
#define	WS2812_BUFFER_SIZE   ((WS2812_NUM_LEDS+2)*24)
Functions
s32	WS2812_Init (u32 mode)
s32	WS2812_LED_SetRGB (u16 led, u8 colour, u8 value)
s32	WS2812_LED_GetRGB (u16 led, u8 colour)
s32	WS2812_LED_SetHSV (u16 led, float h, float s, float v)
s32	WS2812_LED_GetHSV (u16 led, float *h, float *s, float *v)