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Update ws2812_spi.c (#14237)

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json_audio 0.14.5
JX 4 years ago committed by GitHub
parent 2dc07391bd
commit 5ed8edae49
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1 changed files with 10 additions and 10 deletions
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  1. 20
      platforms/chibios/drivers/ws2812_spi.c

20
platforms/chibios/drivers/ws2812_spi.c
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@ -41,23 +41,23 @@
// F072 fpclk = 48MHz
// 48/16 = 3Mhz
#if WS2812_SPI_DIVISOR == 2
# define WS2812_SPI_DIVISOR (0)
# define WS2812_SPI_DIVISOR_CR1_BR_X (0)
#elif WS2812_SPI_DIVISOR == 4
# define WS2812_SPI_DIVISOR (SPI_CR1_BR_0)
# define WS2812_SPI_DIVISOR_CR1_BR_X (SPI_CR1_BR_0)
#elif WS2812_SPI_DIVISOR == 8
# define WS2812_SPI_DIVISOR (SPI_CR1_BR_1)
# define WS2812_SPI_DIVISOR_CR1_BR_X (SPI_CR1_BR_1)
#elif WS2812_SPI_DIVISOR == 16 // same as default
# define WS2812_SPI_DIVISOR (SPI_CR1_BR_1 | SPI_CR1_BR_0)
# define WS2812_SPI_DIVISOR_CR1_BR_X (SPI_CR1_BR_1 | SPI_CR1_BR_0)
#elif WS2812_SPI_DIVISOR == 32
# define WS2812_SPI_DIVISOR (SPI_CR1_BR_2)
# define WS2812_SPI_DIVISOR_CR1_BR_X (SPI_CR1_BR_2)
#elif WS2812_SPI_DIVISOR == 64
# define WS2812_SPI_DIVISOR (SPI_CR1_BR_2 | SPI_CR1_BR_0)
# define WS2812_SPI_DIVISOR_CR1_BR_X (SPI_CR1_BR_2 | SPI_CR1_BR_0)
#elif WS2812_SPI_DIVISOR == 128
# define WS2812_SPI_DIVISOR (SPI_CR1_BR_2 | SPI_CR1_BR_1)
# define WS2812_SPI_DIVISOR_CR1_BR_X (SPI_CR1_BR_2 | SPI_CR1_BR_1)
#elif WS2812_SPI_DIVISOR == 256
# define WS2812_SPI_DIVISOR (SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0)
# define WS2812_SPI_DIVISOR_CR1_BR_X (SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0)
#else
# define WS2812_SPI_DIVISOR (SPI_CR1_BR_1 | SPI_CR1_BR_0) // default
# define WS2812_SPI_DIVISOR_CR1_BR_X (SPI_CR1_BR_1 | SPI_CR1_BR_0) // default
#endif
// Use SPI circular buffer
@ -126,7 +126,7 @@ void ws2812_init(void) {
#endif // WS2812_SPI_SCK_PIN
// TODO: more dynamic baudrate
static const SPIConfig spicfg = {WS2812_SPI_BUFFER_MODE, NULL, PAL_PORT(RGB_DI_PIN), PAL_PAD(RGB_DI_PIN), WS2812_SPI_DIVISOR};
static const SPIConfig spicfg = {WS2812_SPI_BUFFER_MODE, NULL, PAL_PORT(RGB_DI_PIN), PAL_PAD(RGB_DI_PIN), WS2812_SPI_DIVISOR_CR1_BR_X};
spiAcquireBus(&WS2812_SPI); /* Acquire ownership of the bus. */
spiStart(&WS2812_SPI, &spicfg); /* Setup transfer parameters. */

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