aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/chibios/ws2812_spi.c
diff options
context:
space:
mode:
authorGravatar Joshua Diamond <josh@windowoffire.com>2020-06-19 22:59:28 -0400
committerGravatar GitHub <noreply@github.com>2020-06-20 12:59:28 +1000
commit18e561b82cdb71bed0162b3ce4083a2d269e5336 (patch)
tree6e016ac5a1e8cbca871b04646e477307dc366280 /drivers/chibios/ws2812_spi.c
parentc7851484457e5ab604962ae7c914b863b8de0cb2 (diff)
downloadqmk_firmware-18e561b82cdb71bed0162b3ce4083a2d269e5336.tar.gz
Fix incorrect delay when setting WS2812 (and similar) leds (#9302)
* 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 <sigprof@gmail.com> * Remove unneeded cast to uint8_t and correct math Co-authored-by: Sergey Vlasov <sigprof@gmail.com> * microseconds -> µs Co-authored-by: Ryan <fauxpark@gmail.com> * Make documentation better match the spec sheet. Co-authored-by: Ryan <fauxpark@gmail.com> * Rename macro to match spec sheet * Further correction to the delay maths for the SPI case. Co-authored-by: Joel Challis <git@zvecr.com> * 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 <sigprof@gmail.com> Co-authored-by: Ryan <fauxpark@gmail.com> Co-authored-by: Joel Challis <git@zvecr.com>
Diffstat (limited to 'drivers/chibios/ws2812_spi.c')
-rw-r--r--drivers/chibios/ws2812_spi.c2
1 files changed, 1 insertions, 1 deletions
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};