light_ws2812_arch.h File Reference

ws2812 driver based on ChibiOS More...

#include "std.h"

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Macros
#define	WS2812_NB_LEDS   8
	Number of LEDs. More...

Functions
void	light_ws2812_arch_init (void)
void	light_ws2812_arch_set (uint32_t led_number, uint8_t r, uint8_t g, uint8_t b)
	set color RGB color of one led More...

Detailed Description

ws2812 driver based on ChibiOS

Author

Xavier Paris @maintainer Gautier Hattenberger gauti.nosp@m.er.h.nosp@m.atten.nosp@m.berg.nosp@m.er@en.nosp@m.ac.f.nosp@m.r

Definition in file light_ws2812_arch.h.

Macro Definition Documentation

WS2812_NB_LEDS

#define WS2812_NB_LEDS   8

Number of LEDs.

Definition at line 36 of file light_ws2812_arch.h.

Function Documentation

light_ws2812_arch_init()

void light_ws2812_arch_init

(

void

)

Definition at line 88 of file light_ws2812_arch.c.

References WS2812Driver::buf, WS2812Driver::config, WS2812Config::dma_channel, WS2812Driver::dma_conf, DMA_CONTINUOUS_HALF_BUFFER, DMA_DIR_M2P, WS2812Config::dma_priority, WS2812Config::dma_stream, dmaObjectInit(), WS2812Driver::dmap, dmaStart(), dmaStartTransfert(), gpio_setup_pin_af(), WS2812Config::pwm_channel, WS2812Driver::pwm_conf, WS2812Config::pwmp, DMAConfig::stream, WS2812_AF, WS2812_BIT_N, WS2812_COLOR_BIT_N, WS2812_DMA_IRQ_PRIORITY, WS2812_DUTYCYCLE_0, WS2812_GPIO, WS2812_PIN, WS2812_PWM_FREQUENCY, WS2812_RESET_BIT_N, WS2812_SERVO_HZ, WS2812CFG, and WS2812D.

Referenced by light_scheduler_init().

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light_ws2812_arch_set()

void light_ws2812_arch_set	(	uint32_t	led_number,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b
	)

set color RGB color of one led

Definition at line 161 of file light_ws2812_arch.c.

References b, WS2812Driver::buf, g, WS2812_BLUE_BIT, WS2812_DUTYCYCLE_0, WS2812_DUTYCYCLE_1, WS2812_GREEN_BIT, WS2812_NB_LEDS, WS2812_RED_BIT, and WS2812D.

Referenced by light_scheduler_periodic().

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