WS2812 driver improvements (#20262)

1 files changed, 0 insertions, 109 deletions

diff --git a/platforms/chibios/drivers/ws2812.c b/platforms/chibios/drivers/ws2812.c
deleted file mode 100644
index 55ac333b1e..0000000000
--- a/platforms/chibios/drivers/ws2812.c
+++ /dev/null
@@ -1,109 +0,0 @@
-#include "quantum.h"
-#include "ws2812.h"
-#include <ch.h>
-#include <hal.h>
-
-/* Adapted from https://github.com/bigjosh/SimpleNeoPixelDemo/ */
-
-#ifndef NOP_FUDGE
-#    if defined(STM32F0XX) || defined(STM32F1XX) || defined(GD32VF103) || defined(STM32F3XX) || defined(STM32F4XX) || defined(STM32L0XX) || defined(WB32F3G71xx) || defined(WB32FQ95xx)
-#        define NOP_FUDGE 0.4
-#    else
-#        error("NOP_FUDGE configuration required")
-#        define NOP_FUDGE 1 // this just pleases the compile so the above error is easier to spot
-#    endif
-#endif
-
-// Push Pull or Open Drain Configuration
-// Default Push Pull
-#ifndef WS2812_EXTERNAL_PULLUP
-#    define WS2812_OUTPUT_MODE PAL_MODE_OUTPUT_PUSHPULL
-#else
-#    define WS2812_OUTPUT_MODE PAL_MODE_OUTPUT_OPENDRAIN
-#endif
-
-// The reset gap can be 6000 ns, but depending on the LED strip it may have to be increased
-// to values like 600000 ns. If it is too small, the pixels will show nothing most of the time.
-#ifndef WS2812_RES
-#    define WS2812_RES (1000 * WS2812_TRST_US) // Width of the low gap between bits to cause a frame to latch
-#endif
-
-#define NUMBER_NOPS 6
-#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)
-
-#define wait_ns(x)                                  \
-    do {                                            \
-        for (int i = 0; i < NS_TO_CYCLES(x); i++) { \
-            __asm__ volatile("nop\n\t"              \
-                             "nop\n\t"              \
-                             "nop\n\t"              \
-                             "nop\n\t"              \
-                             "nop\n\t"              \
-                             "nop\n\t");            \
-        }                                           \
-    } while (0)
-
-void sendByte(uint8_t byte) {
-    // WS2812 protocol wants most significant bits first
-    for (unsigned char bit = 0; bit < 8; bit++) {
-        bool is_one = byte & (1 << (7 - bit));
-        // using something like wait_ns(is_one ? T1L : T0L) here throws off timings
-        if (is_one) {
-            // 1
-            writePinHigh(RGB_DI_PIN);
-            wait_ns(WS2812_T1H);
-            writePinLow(RGB_DI_PIN);
-            wait_ns(WS2812_T1L);
-        } else {
-            // 0
-            writePinHigh(RGB_DI_PIN);
-            wait_ns(WS2812_T0H);
-            writePinLow(RGB_DI_PIN);
-            wait_ns(WS2812_T0L);
-        }
-    }
-}
-
-void ws2812_init(void) {
-    palSetLineMode(RGB_DI_PIN, WS2812_OUTPUT_MODE);
-}
-
-// Setleds for standard RGB
-void ws2812_setleds(LED_TYPE *ledarray, uint16_t leds) {
-    static bool s_init = false;
-    if (!s_init) {
-        ws2812_init();
-        s_init = true;
-    }
-
-    // this code is very time dependent, so we need to disable interrupts
-    chSysLock();
-
-    for (uint8_t i = 0; i < leds; i++) {
-        // WS2812 protocol dictates grb order
-#if (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_GRB)
-        sendByte(ledarray[i].g);
-        sendByte(ledarray[i].r);
-        sendByte(ledarray[i].b);
-#elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_RGB)
-        sendByte(ledarray[i].r);
-        sendByte(ledarray[i].g);
-        sendByte(ledarray[i].b);
-#elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_BGR)
-        sendByte(ledarray[i].b);
-        sendByte(ledarray[i].g);
-        sendByte(ledarray[i].r);
-#endif
-
-#ifdef RGBW
-        sendByte(ledarray[i].w);
-#endif
-    }
-
-    wait_ns(WS2812_RES);
-
-    chSysUnlock();
-}