Initial arm->chibios pass - simplify some platform logic (#8450)

1 files changed, 0 insertions, 90 deletions

diff --git a/drivers/arm/ws2812_spi.c b/drivers/arm/ws2812_spi.c
deleted file mode 100644
index 36e08e39ed..0000000000
--- a/drivers/arm/ws2812_spi.c
+++ /dev/null
@@ -1,90 +0,0 @@
-#include "quantum.h"
-#include "ws2812.h"
-
-/* 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
-#endif
-
-#ifndef WS2812_SPI_MOSI_PAL_MODE
-#    define WS2812_SPI_MOSI_PAL_MODE 5
-#endif
-
-#define BYTES_FOR_LED_BYTE 4
-#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 PREAMBLE_SIZE 4
-
-static uint8_t txbuf[PREAMBLE_SIZE + DATA_SIZE + RESET_SIZE] = {0};
-
-/*
- * As the trick here is to use the SPI to send a huge pattern of 0 and 1 to
- * the ws2812b protocol, we use this helper function to translate bytes into
- * 0s and 1s for the LED (with the appropriate timing).
- */
-static uint8_t get_protocol_eq(uint8_t data, int pos) {
-    uint8_t eq = 0;
-    if (data & (1 << (2 * (3 - pos))))
-        eq = 0b1110;
-    else
-        eq = 0b1000;
-    if (data & (2 << (2 * (3 - pos))))
-        eq += 0b11100000;
-    else
-        eq += 0b10000000;
-    return eq;
-}
-
-static void set_led_color_rgb(LED_TYPE color, int pos) {
-    uint8_t* tx_start = &txbuf[PREAMBLE_SIZE];
-
-    for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + j] = get_protocol_eq(color.g, j);
-    for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + BYTES_FOR_LED_BYTE + j] = get_protocol_eq(color.r, j);
-    for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + BYTES_FOR_LED_BYTE * 2 + j] = get_protocol_eq(color.b, j);
-}
-
-void ws2812_init(void) {
-#if defined(USE_GPIOV1)
-    palSetLineMode(RGB_DI_PIN, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
-#else
-    palSetLineMode(RGB_DI_PIN, PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL);
-#endif
-
-    // TODO: more dynamic baudrate
-    static const SPIConfig spicfg = {
-        0, NULL, PAL_PORT(RGB_DI_PIN), PAL_PAD(RGB_DI_PIN),
-        SPI_CR1_BR_1 | SPI_CR1_BR_0  // baudrate : fpclk / 8 => 1tick is 0.32us (2.25 MHz)
-    };
-
-    spiAcquireBus(&WS2812_SPI);     /* Acquire ownership of the bus.    */
-    spiStart(&WS2812_SPI, &spicfg); /* Setup transfer parameters.       */
-    spiSelect(&WS2812_SPI);         /* Slave Select assertion.          */
-}
-
-void ws2812_setleds(LED_TYPE* ledarray, uint16_t leds) {
-    static bool s_init = false;
-    if (!s_init) {
-        ws2812_init();
-        s_init = true;
-    }
-
-    for (uint8_t i = 0; i < leds; i++) {
-        set_led_color_rgb(ledarray[i], i);
-    }
-
-    // Send async - each led takes ~0.03ms, 50 leds ~1.5ms, animations flushing faster than send will cause issues.
-    // Instead spiSend can be used to send synchronously (or the thread logic can be added back).
-#ifdef WS2812_SPI_SYNC
-    spiSend(&WS2812_SPI, sizeof(txbuf) / sizeof(txbuf[0]), txbuf);
-#else
-    spiStartSend(&WS2812_SPI, sizeof(txbuf) / sizeof(txbuf[0]), txbuf);
-#endif
-}