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-rw-r--r--platforms/chibios/drivers/i2c_master.c12
-rw-r--r--platforms/chibios/drivers/i2c_master.h25
-rw-r--r--platforms/chibios/drivers/serial.c2
-rw-r--r--platforms/chibios/drivers/serial_usart.c10
-rw-r--r--platforms/chibios/drivers/spi_master.c6
-rw-r--r--platforms/chibios/drivers/spi_master.h6
-rw-r--r--platforms/chibios/drivers/uart.c8
-rw-r--r--platforms/chibios/drivers/ws2812.c2
-rw-r--r--platforms/chibios/drivers/ws2812_pwm.c48
-rw-r--r--platforms/chibios/drivers/ws2812_spi.c27
10 files changed, 84 insertions, 62 deletions
diff --git a/platforms/chibios/drivers/i2c_master.c b/platforms/chibios/drivers/i2c_master.c
index fc4bb2ab37..981f6fa06d 100644
--- a/platforms/chibios/drivers/i2c_master.c
+++ b/platforms/chibios/drivers/i2c_master.c
@@ -63,16 +63,16 @@ __attribute__((weak)) void i2c_init(void) {
is_initialised = true;
// Try releasing special pins for a short time
- palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, PAL_MODE_INPUT);
- palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, PAL_MODE_INPUT);
+ palSetLineMode(I2C1_SCL_PIN, PAL_MODE_INPUT);
+ palSetLineMode(I2C1_SDA_PIN, PAL_MODE_INPUT);
chThdSleepMilliseconds(10);
#if defined(USE_GPIOV1)
- palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, I2C1_SCL_PAL_MODE);
- palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, I2C1_SDA_PAL_MODE);
+ palSetLineMode(I2C1_SCL_PIN, I2C1_SCL_PAL_MODE);
+ palSetLineMode(I2C1_SDA_PIN, I2C1_SDA_PAL_MODE);
#else
- palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, PAL_MODE_ALTERNATE(I2C1_SCL_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
- palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, PAL_MODE_ALTERNATE(I2C1_SDA_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
+ palSetLineMode(I2C1_SCL_PIN, PAL_MODE_ALTERNATE(I2C1_SCL_PAL_MODE) | PAL_OUTPUT_TYPE_OPENDRAIN);
+ palSetLineMode(I2C1_SDA_PIN, PAL_MODE_ALTERNATE(I2C1_SDA_PAL_MODE) | PAL_OUTPUT_TYPE_OPENDRAIN);
#endif
}
}
diff --git a/platforms/chibios/drivers/i2c_master.h b/platforms/chibios/drivers/i2c_master.h
index c68109acbd..ce32fd2457 100644
--- a/platforms/chibios/drivers/i2c_master.h
+++ b/platforms/chibios/drivers/i2c_master.h
@@ -27,24 +27,11 @@
#include <ch.h>
#include <hal.h>
-#ifdef I2C1_BANK
-# define I2C1_SCL_BANK I2C1_BANK
-# define I2C1_SDA_BANK I2C1_BANK
+#ifndef I2C1_SCL_PIN
+# define I2C1_SCL_PIN B6
#endif
-
-#ifndef I2C1_SCL_BANK
-# define I2C1_SCL_BANK GPIOB
-#endif
-
-#ifndef I2C1_SDA_BANK
-# define I2C1_SDA_BANK GPIOB
-#endif
-
-#ifndef I2C1_SCL
-# define I2C1_SCL 6
-#endif
-#ifndef I2C1_SDA
-# define I2C1_SDA 7
+#ifndef I2C1_SDA_PIN
+# define I2C1_SDA_PIN B7
#endif
#ifdef USE_I2CV1
@@ -83,10 +70,10 @@
#ifdef USE_GPIOV1
# ifndef I2C1_SCL_PAL_MODE
-# define I2C1_SCL_PAL_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
+# define I2C1_SCL_PAL_MODE PAL_MODE_ALTERNATE_OPENDRAIN
# endif
# ifndef I2C1_SDA_PAL_MODE
-# define I2C1_SDA_PAL_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
+# define I2C1_SDA_PAL_MODE PAL_MODE_ALTERNATE_OPENDRAIN
# endif
#else
// The default PAL alternate modes are used to signal that the pins are used for I2C
diff --git a/platforms/chibios/drivers/serial.c b/platforms/chibios/drivers/serial.c
index f54fbcee4e..ef6f0aa8d5 100644
--- a/platforms/chibios/drivers/serial.c
+++ b/platforms/chibios/drivers/serial.c
@@ -19,7 +19,7 @@
# error "chSysPolledDelayX method not supported on this platform"
#else
# undef wait_us
-# define wait_us(x) chSysPolledDelayX(US2RTC(STM32_SYSCLK, x))
+# define wait_us(x) chSysPolledDelayX(US2RTC(CPU_CLOCK, x))
#endif
#ifndef SELECT_SOFT_SERIAL_SPEED
diff --git a/platforms/chibios/drivers/serial_usart.c b/platforms/chibios/drivers/serial_usart.c
index ea4473791c..124e4be685 100644
--- a/platforms/chibios/drivers/serial_usart.c
+++ b/platforms/chibios/drivers/serial_usart.c
@@ -104,9 +104,9 @@ static inline bool receive(uint8_t* destination, const size_t size) {
__attribute__((weak)) void usart_init(void) {
# if defined(MCU_STM32)
# if defined(USE_GPIOV1)
- palSetLineMode(SERIAL_USART_TX_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
+ palSetLineMode(SERIAL_USART_TX_PIN, PAL_MODE_ALTERNATE_OPENDRAIN);
# else
- palSetLineMode(SERIAL_USART_TX_PIN, PAL_MODE_ALTERNATE(SERIAL_USART_TX_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
+ palSetLineMode(SERIAL_USART_TX_PIN, PAL_MODE_ALTERNATE(SERIAL_USART_TX_PAL_MODE) | PAL_OUTPUT_TYPE_OPENDRAIN);
# endif
# if defined(USART_REMAP)
@@ -125,11 +125,11 @@ __attribute__((weak)) void usart_init(void) {
__attribute__((weak)) void usart_init(void) {
# if defined(MCU_STM32)
# if defined(USE_GPIOV1)
- palSetLineMode(SERIAL_USART_TX_PIN, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
+ palSetLineMode(SERIAL_USART_TX_PIN, PAL_MODE_ALTERNATE_PUSHPULL);
palSetLineMode(SERIAL_USART_RX_PIN, PAL_MODE_INPUT);
# else
- palSetLineMode(SERIAL_USART_TX_PIN, PAL_MODE_ALTERNATE(SERIAL_USART_TX_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
- palSetLineMode(SERIAL_USART_RX_PIN, PAL_MODE_ALTERNATE(SERIAL_USART_RX_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
+ palSetLineMode(SERIAL_USART_TX_PIN, PAL_MODE_ALTERNATE(SERIAL_USART_TX_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL | PAL_OUTPUT_SPEED_HIGHEST);
+ palSetLineMode(SERIAL_USART_RX_PIN, PAL_MODE_ALTERNATE(SERIAL_USART_RX_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL | PAL_OUTPUT_SPEED_HIGHEST);
# endif
# if defined(USART_REMAP)
diff --git a/platforms/chibios/drivers/spi_master.c b/platforms/chibios/drivers/spi_master.c
index 28ddcbb2ba..f98db6db97 100644
--- a/platforms/chibios/drivers/spi_master.c
+++ b/platforms/chibios/drivers/spi_master.c
@@ -42,9 +42,9 @@ __attribute__((weak)) void spi_init(void) {
palSetPadMode(PAL_PORT(SPI_MOSI_PIN), PAL_PAD(SPI_MOSI_PIN), SPI_MOSI_PAL_MODE);
palSetPadMode(PAL_PORT(SPI_MISO_PIN), PAL_PAD(SPI_MISO_PIN), SPI_MISO_PAL_MODE);
#else
- palSetPadMode(PAL_PORT(SPI_SCK_PIN), PAL_PAD(SPI_SCK_PIN), PAL_MODE_ALTERNATE(SPI_SCK_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
- palSetPadMode(PAL_PORT(SPI_MOSI_PIN), PAL_PAD(SPI_MOSI_PIN), PAL_MODE_ALTERNATE(SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
- palSetPadMode(PAL_PORT(SPI_MISO_PIN), PAL_PAD(SPI_MISO_PIN), PAL_MODE_ALTERNATE(SPI_MISO_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
+ palSetPadMode(PAL_PORT(SPI_SCK_PIN), PAL_PAD(SPI_SCK_PIN), PAL_MODE_ALTERNATE(SPI_SCK_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL | PAL_OUTPUT_SPEED_HIGHEST);
+ palSetPadMode(PAL_PORT(SPI_MOSI_PIN), PAL_PAD(SPI_MOSI_PIN), PAL_MODE_ALTERNATE(SPI_MOSI_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL | PAL_OUTPUT_SPEED_HIGHEST);
+ palSetPadMode(PAL_PORT(SPI_MISO_PIN), PAL_PAD(SPI_MISO_PIN), PAL_MODE_ALTERNATE(SPI_MISO_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL | PAL_OUTPUT_SPEED_HIGHEST);
#endif
}
}
diff --git a/platforms/chibios/drivers/spi_master.h b/platforms/chibios/drivers/spi_master.h
index b5a6ef1437..6a3ce481f1 100644
--- a/platforms/chibios/drivers/spi_master.h
+++ b/platforms/chibios/drivers/spi_master.h
@@ -33,7 +33,7 @@
#ifndef SPI_SCK_PAL_MODE
# if defined(USE_GPIOV1)
-# define SPI_SCK_PAL_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
+# define SPI_SCK_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
# else
# define SPI_SCK_PAL_MODE 5
# endif
@@ -45,7 +45,7 @@
#ifndef SPI_MOSI_PAL_MODE
# if defined(USE_GPIOV1)
-# define SPI_MOSI_PAL_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
+# define SPI_MOSI_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
# else
# define SPI_MOSI_PAL_MODE 5
# endif
@@ -57,7 +57,7 @@
#ifndef SPI_MISO_PAL_MODE
# if defined(USE_GPIOV1)
-# define SPI_MISO_PAL_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
+# define SPI_MISO_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
# else
# define SPI_MISO_PAL_MODE 5
# endif
diff --git a/platforms/chibios/drivers/uart.c b/platforms/chibios/drivers/uart.c
index 030335b342..0e8e0515af 100644
--- a/platforms/chibios/drivers/uart.c
+++ b/platforms/chibios/drivers/uart.c
@@ -29,11 +29,11 @@ void uart_init(uint32_t baud) {
serialConfig.speed = baud;
#if defined(USE_GPIOV1)
- palSetLineMode(SD1_TX_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
- palSetLineMode(SD1_RX_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
+ palSetLineMode(SD1_TX_PIN, PAL_MODE_ALTERNATE_OPENDRAIN);
+ palSetLineMode(SD1_RX_PIN, PAL_MODE_ALTERNATE_OPENDRAIN);
#else
- palSetLineMode(SD1_TX_PIN, PAL_MODE_ALTERNATE(SD1_TX_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
- palSetLineMode(SD1_RX_PIN, PAL_MODE_ALTERNATE(SD1_RX_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
+ palSetLineMode(SD1_TX_PIN, PAL_MODE_ALTERNATE(SD1_TX_PAL_MODE) | PAL_OUTPUT_TYPE_OPENDRAIN);
+ palSetLineMode(SD1_RX_PIN, PAL_MODE_ALTERNATE(SD1_RX_PAL_MODE) | PAL_OUTPUT_TYPE_OPENDRAIN);
#endif
sdStart(&SERIAL_DRIVER, &serialConfig);
}
diff --git a/platforms/chibios/drivers/ws2812.c b/platforms/chibios/drivers/ws2812.c
index 0d12e2fb79..ffcdcff242 100644
--- a/platforms/chibios/drivers/ws2812.c
+++ b/platforms/chibios/drivers/ws2812.c
@@ -23,7 +23,7 @@
#endif
#define NUMBER_NOPS 6
-#define CYCLES_PER_SEC (STM32_SYSCLK / NUMBER_NOPS * NOP_FUDGE)
+#define CYCLES_PER_SEC (CPU_CLOCK / NUMBER_NOPS * NOP_FUDGE)
#define NS_PER_SEC (1000000000L) // Note that this has to be SIGNED since we want to be able to check for negative values of derivatives
#define NS_PER_CYCLE (NS_PER_SEC / CYCLES_PER_SEC)
#define NS_TO_CYCLES(n) ((n) / NS_PER_CYCLE)
diff --git a/platforms/chibios/drivers/ws2812_pwm.c b/platforms/chibios/drivers/ws2812_pwm.c
index e6af55b6b3..c17b9cd4e5 100644
--- a/platforms/chibios/drivers/ws2812_pwm.c
+++ b/platforms/chibios/drivers/ws2812_pwm.c
@@ -5,7 +5,9 @@
/* Adapted from https://github.com/joewa/WS2812-LED-Driver_ChibiOS/ */
#ifdef RGBW
-# error "RGBW not supported"
+# define WS2812_CHANNELS 4
+#else
+# define WS2812_CHANNELS 3
#endif
#ifndef WS2812_PWM_DRIVER
@@ -40,15 +42,15 @@
// Default Push Pull
#ifndef WS2812_EXTERNAL_PULLUP
# if defined(USE_GPIOV1)
-# define WS2812_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
+# define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE_PUSHPULL
# else
-# define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_PWM_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST | PAL_STM32_PUPDR_FLOATING
+# define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_PWM_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL | PAL_OUTPUT_SPEED_HIGHEST | PAL_PUPDR_FLOATING
# endif
#else
# if defined(USE_GPIOV1)
-# define WS2812_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
+# define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE_OPENDRAIN
# else
-# define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_PWM_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_OSPEED_HIGHEST | PAL_STM32_PUPDR_FLOATING
+# define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_PWM_PAL_MODE) | PAL_OUTPUT_TYPE_OPENDRAIN | PAL_OUTPUT_SPEED_HIGHEST | PAL_PUPDR_FLOATING
# endif
#endif
@@ -59,7 +61,7 @@
/* --- PRIVATE CONSTANTS ---------------------------------------------------- */
-#define WS2812_PWM_FREQUENCY (STM32_SYSCLK / 2) /**< Clock frequency of PWM, must be valid with respect to system clock! */
+#define WS2812_PWM_FREQUENCY (CPU_CLOCK / 2) /**< Clock frequency of PWM, must be valid with respect to system clock! */
#define WS2812_PWM_PERIOD (WS2812_PWM_FREQUENCY / WS2812_PWM_TARGET_PERIOD) /**< Clock period in ticks. 1 / 800kHz = 1.25 uS (as per datasheet) */
/**
@@ -68,8 +70,9 @@
* The reset period for each frame is defined in WS2812_TRST_US.
* Calculate the number of zeroes to add at the end assuming 1.25 uS/bit:
*/
+#define WS2812_COLOR_BITS (WS2812_CHANNELS * 8)
#define WS2812_RESET_BIT_N (1000 * WS2812_TRST_US / 1250)
-#define WS2812_COLOR_BIT_N (RGBLED_NUM * 24) /**< Number of data bits */
+#define WS2812_COLOR_BIT_N (RGBLED_NUM * WS2812_COLOR_BITS) /**< Number of data bits */
#define WS2812_BIT_N (WS2812_COLOR_BIT_N + WS2812_RESET_BIT_N) /**< Total number of bits in a frame */
/**
@@ -114,7 +117,7 @@
*
* @return The bit index
*/
-#define WS2812_BIT(led, byte, bit) (24 * (led) + 8 * (byte) + (7 - (bit)))
+#define WS2812_BIT(led, byte, bit) (WS2812_COLOR_BITS * (led) + 8 * (byte) + (7 - (bit)))
#if (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_GRB)
/**
@@ -228,6 +231,20 @@
# define WS2812_BLUE_BIT(led, bit) WS2812_BIT((led), 0, (bit))
#endif
+#ifdef RGBW
+/**
+ * @brief Determine the index in @ref ws2812_frame_buffer "the frame buffer" of a given white bit
+ *
+ * @note The white byte is the last byte in the color packet
+ *
+ * @param[in] led: The led index [0, @ref WS2812_LED_N)
+ * @param[in] bit: The bit index [0, 7]
+ *
+ * @return The bit index
+ */
+# define WS2812_WHITE_BIT(led, bit) WS2812_BIT((led), 3, (bit))
+#endif
+
/* --- PRIVATE VARIABLES ---------------------------------------------------- */
static uint32_t ws2812_frame_buffer[WS2812_BIT_N + 1]; /**< Buffer for a frame */
@@ -296,6 +313,17 @@ void ws2812_write_led(uint16_t led_number, uint8_t r, uint8_t g, uint8_t b) {
ws2812_frame_buffer[WS2812_BLUE_BIT(led_number, bit)] = ((b >> bit) & 0x01) ? WS2812_DUTYCYCLE_1 : WS2812_DUTYCYCLE_0;
}
}
+void ws2812_write_led_rgbw(uint16_t led_number, uint8_t r, uint8_t g, uint8_t b, uint8_t w) {
+ // Write color to frame buffer
+ for (uint8_t bit = 0; bit < 8; bit++) {
+ ws2812_frame_buffer[WS2812_RED_BIT(led_number, bit)] = ((r >> bit) & 0x01) ? WS2812_DUTYCYCLE_1 : WS2812_DUTYCYCLE_0;
+ ws2812_frame_buffer[WS2812_GREEN_BIT(led_number, bit)] = ((g >> bit) & 0x01) ? WS2812_DUTYCYCLE_1 : WS2812_DUTYCYCLE_0;
+ ws2812_frame_buffer[WS2812_BLUE_BIT(led_number, bit)] = ((b >> bit) & 0x01) ? WS2812_DUTYCYCLE_1 : WS2812_DUTYCYCLE_0;
+#ifdef RGBW
+ ws2812_frame_buffer[WS2812_WHITE_BIT(led_number, bit)] = ((w >> bit) & 0x01) ? WS2812_DUTYCYCLE_1 : WS2812_DUTYCYCLE_0;
+#endif
+ }
+}
// Setleds for standard RGB
void ws2812_setleds(LED_TYPE* ledarray, uint16_t leds) {
@@ -306,6 +334,10 @@ void ws2812_setleds(LED_TYPE* ledarray, uint16_t leds) {
}
for (uint16_t i = 0; i < leds; i++) {
+#ifdef RGBW
+ ws2812_write_led_rgbw(i, ledarray[i].r, ledarray[i].g, ledarray[i].b, ledarray[i].w);
+#else
ws2812_write_led(i, ledarray[i].r, ledarray[i].g, ledarray[i].b);
+#endif
}
}
diff --git a/platforms/chibios/drivers/ws2812_spi.c b/platforms/chibios/drivers/ws2812_spi.c
index fe14b478ab..62722f466e 100644
--- a/platforms/chibios/drivers/ws2812_spi.c
+++ b/platforms/chibios/drivers/ws2812_spi.c
@@ -3,10 +3,6 @@
/* Adapted from https://github.com/gamazeps/ws2812b-chibios-SPIDMA/ */
-#ifdef RGBW
-# error "RGBW not supported"
-#endif
-
// Define the spi your LEDs are plugged to here
#ifndef WS2812_SPI
# define WS2812_SPI SPID1
@@ -24,15 +20,15 @@
// Default Push Pull
#ifndef WS2812_EXTERNAL_PULLUP
# if defined(USE_GPIOV1)
-# define WS2812_MOSI_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
+# define WS2812_MOSI_OUTPUT_MODE PAL_MODE_ALTERNATE_PUSHPULL
# else
-# define WS2812_MOSI_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL
+# define WS2812_MOSI_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL
# endif
#else
# if defined(USE_GPIOV1)
-# define WS2812_MOSI_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
+# define WS2812_MOSI_OUTPUT_MODE PAL_MODE_ALTERNATE_OPENDRAIN
# else
-# define WS2812_MOSI_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN
+# define WS2812_MOSI_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_OUTPUT_TYPE_OPENDRAIN
# endif
#endif
@@ -68,14 +64,18 @@
#endif
#if defined(USE_GPIOV1)
-# define WS2812_SCK_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
+# define WS2812_SCK_OUTPUT_MODE PAL_MODE_ALTERNATE_PUSHPULL
#else
-# define WS2812_SCK_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_SCK_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL
+# define WS2812_SCK_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_SCK_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL
#endif
#define BYTES_FOR_LED_BYTE 4
-#define NB_COLORS 3
-#define BYTES_FOR_LED (BYTES_FOR_LED_BYTE * NB_COLORS)
+#ifdef RGBW
+# define WS2812_CHANNELS 4
+#else
+# define WS2812_CHANNELS 3
+#endif
+#define BYTES_FOR_LED (BYTES_FOR_LED_BYTE * WS2812_CHANNELS)
#define DATA_SIZE (BYTES_FOR_LED * RGBLED_NUM)
#define RESET_SIZE (1000 * WS2812_TRST_US / (2 * 1250))
#define PREAMBLE_SIZE 4
@@ -116,6 +116,9 @@ static void set_led_color_rgb(LED_TYPE color, int pos) {
for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + BYTES_FOR_LED_BYTE + j] = get_protocol_eq(color.g, j);
for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + BYTES_FOR_LED_BYTE * 2 + j] = get_protocol_eq(color.r, j);
#endif
+#ifdef RGBW
+ for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + BYTES_FOR_LED_BYTE * 4 + j] = get_protocol_eq(color.w, j);
+#endif
}
void ws2812_init(void) {