32 lines
665 B
C
32 lines
665 B
C
#ifndef WS2812B_SPI_H
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#define WS2812B_SPI_H
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#include "stm32f030x6.h"
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#include "pinning.h"
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// The WS2812B data line has to be connected to PA7 (SPI MOSI). Unfortunately,
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// there is only one SPI interface, so this library cannot be used together with
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// an SD card.
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#define LED_PIN_DO 7
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// The number of LEDs daisy-chained
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#define LED_COUNT 120
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// Invert the output (if a transistor is used for level-shifting)
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#define LED_INVERT_DO
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#define LED_DMA_BYTES (LED_COUNT * 3 * 4)
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typedef struct
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{
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uint8_t G, R, B;
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} LED_Color_t;
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extern volatile LED_Color_t LED_Buffer[LED_COUNT];
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void LED_Init(void);
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void LED_Refresh(void);
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#endif
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