From 9e2fe4eff6d36d20aeeea57408216ff329b2bd31 Mon Sep 17 00:00:00 2001 From: trwnh Date: Tue, 31 May 2022 00:28:55 -0500 Subject: [PATCH] Make SPI Mode configurable and change default mode to 3 (#17263) --- docs/feature_rgb_matrix.md | 1 + drivers/led/aw20216.c | 6 +++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/docs/feature_rgb_matrix.md b/docs/feature_rgb_matrix.md index 295e610fc4..ec67e32078 100644 --- a/docs/feature_rgb_matrix.md +++ b/docs/feature_rgb_matrix.md @@ -409,6 +409,7 @@ You can use up to 2 AW20216 IC's. Do not specify `DRIVER__xxx` defines for IC | `DRIVER_LED_TOTAL` | (Required) How many RGB lights are present across all drivers | | | `AW_SCALING_MAX` | (Optional) LED current scaling value (0-255, higher values mean LED is brighter at full PWM) | 150 | | `AW_GLOBAL_CURRENT_MAX` | (Optional) Driver global current limit (0-255, higher values means the driver may consume more power) | 150 | +| `AW_SPI_MODE` | (Optional) Mode for SPI communication (0-3, defines polarity and phase of the clock) | 3 | | `AW_SPI_DIVISOR` | (Optional) Clock divisor for SPI communication (powers of 2, smaller numbers means faster communication, should not be less than 4) | 4 | Here is an example using 2 drivers. diff --git a/drivers/led/aw20216.c b/drivers/led/aw20216.c index 448accdcd3..299434f909 100644 --- a/drivers/led/aw20216.c +++ b/drivers/led/aw20216.c @@ -53,6 +53,10 @@ # define AW_GLOBAL_CURRENT_MAX 150 #endif +#ifndef AW_SPI_MODE +# define AW_SPI_MODE 3 +#endif + #ifndef AW_SPI_DIVISOR # define AW_SPI_DIVISOR 4 #endif @@ -63,7 +67,7 @@ bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false}; bool AW20216_write(pin_t cs_pin, uint8_t page, uint8_t reg, uint8_t* data, uint8_t len) { static uint8_t s_spi_transfer_buffer[2] = {0}; - if (!spi_start(cs_pin, false, 3, AW_SPI_DIVISOR)) { + if (!spi_start(cs_pin, false, AW_SPI_MODE, AW_SPI_DIVISOR)) { spi_stop(); return false; }