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WS2812 driver improvements (#20262)

This commit is contained in:
Ryan 2023-03-30 12:21:02 +11:00 committed by GitHub
parent 7e1e662dc7
commit 647c2835e6
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GPG key ID: 4AEE18F83AFDEB23
23 changed files with 68 additions and 77 deletions

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#include "ws2812.h"
#include "i2c_master.h"
#ifdef RGBW
# error "RGBW not supported"
#endif
#ifndef WS2812_I2C_ADDRESS
# define WS2812_I2C_ADDRESS 0xB0
#endif
#ifndef WS2812_I2C_ADDRESS_RIGHT
# define WS2812_I2C_ADDRESS_RIGHT 0xB8
#endif
#ifndef WS2812_I2C_TIMEOUT
# define WS2812_I2C_TIMEOUT 100
#endif
void ws2812_init(void) {
i2c_init();
}
// Setleds for standard RGB
void ws2812_setleds(LED_TYPE *ledarray, uint16_t leds) {
static bool s_init = false;
if (!s_init) {
ws2812_init();
s_init = true;
}
i2c_transmit(WS2812_I2C_ADDRESS, (uint8_t *)ledarray, sizeof(LED_TYPE) * (leds >> 1), WS2812_I2C_TIMEOUT);
i2c_transmit(WS2812_I2C_ADDRESS_RIGHT, (uint8_t *)ledarray+(sizeof(LED_TYPE) * (leds >> 1)), sizeof(LED_TYPE) * (leds - (leds >> 1)), WS2812_I2C_TIMEOUT);
}