From 18e561b82cdb71bed0162b3ce4083a2d269e5336 Mon Sep 17 00:00:00 2001 From: Joshua Diamond Date: Fri, 19 Jun 2020 22:59:28 -0400 Subject: Fix incorrect delay when setting WS2812 (and similar) leds (#9302) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Fix incorrect delay when setting WS2812 (and similar) leds * Add documentation for WS2812_DELAY_MICROSECONDS * Remove improper cast to uint8_t Co-authored-by: Sergey Vlasov * Remove unneeded cast to uint8_t and correct math Co-authored-by: Sergey Vlasov * microseconds -> µs Co-authored-by: Ryan * Make documentation better match the spec sheet. Co-authored-by: Ryan * Rename macro to match spec sheet * Further correction to the delay maths for the SPI case. Co-authored-by: Joel Challis * Move ws2812_common.h to the drivers directory * Revert "Further correction to the delay maths for the SPI case." This reverts commit e61b56a2cfc7dfec9992a7a3af92afa50e5b8ec0. * Remove ws2812_setleds_pin(); consolidate ws2812.h Co-authored-by: Sergey Vlasov Co-authored-by: Ryan Co-authored-by: Joel Challis --- drivers/chibios/ws2812_spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/chibios/ws2812_spi.c') diff --git a/drivers/chibios/ws2812_spi.c b/drivers/chibios/ws2812_spi.c index 3bbada7fe..7a1d2f05d 100644 --- a/drivers/chibios/ws2812_spi.c +++ b/drivers/chibios/ws2812_spi.c @@ -36,7 +36,7 @@ #define NB_COLORS 3 #define BYTES_FOR_LED (BYTES_FOR_LED_BYTE * NB_COLORS) #define DATA_SIZE (BYTES_FOR_LED * RGBLED_NUM) -#define RESET_SIZE 200 +#define RESET_SIZE (1000 * WS2812_TRST_US / (2 * 1250)) #define PREAMBLE_SIZE 4 static uint8_t txbuf[PREAMBLE_SIZE + DATA_SIZE + RESET_SIZE] = {0}; -- cgit v1.2.3