28 lines
733 B
C
28 lines
733 B
C
#include "ws2812.h"
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#include "i2c_master.h"
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#ifdef WS2812_RGBW
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# error "RGBW not supported"
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#endif
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#ifndef WS2812_I2C_ADDRESS
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# define WS2812_I2C_ADDRESS 0xB0
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#endif
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#ifndef WS2812_I2C_ADDRESS_RIGHT
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# define WS2812_I2C_ADDRESS_RIGHT 0xB8
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#endif
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#ifndef WS2812_I2C_TIMEOUT
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# define WS2812_I2C_TIMEOUT 100
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#endif
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void ws2812_init(void) {
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i2c_init();
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}
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// Setleds for standard RGB
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void ws2812_setleds(rgb_led_t *ledarray, uint16_t leds) {
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i2c_transmit(WS2812_I2C_ADDRESS, (uint8_t *)ledarray, sizeof(rgb_led_t) * (leds >> 1), WS2812_I2C_TIMEOUT);
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i2c_transmit(WS2812_I2C_ADDRESS_RIGHT, (uint8_t *)ledarray+(sizeof(rgb_led_t) * (leds >> 1)), sizeof(rgb_led_t) * (leds - (leds >> 1)), WS2812_I2C_TIMEOUT);
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}
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