1 files changed, 0 insertions, 95 deletions
diff --git a/drivers/arm/ws2812.c b/drivers/arm/ws2812.c
deleted file mode 100644
index bdca565d88..0000000000
--- a/drivers/arm/ws2812.c
+++ /dev/null
@@ -1,95 +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(STM32F3XX) || defined(STM32F4XX) || defined(STM32L0XX)
-#        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
-
-#define NUMBER_NOPS 6
-#define CYCLES_PER_SEC (STM32_SYSCLK / 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)
-
-// These are the timing constraints taken mostly from the WS2812 datasheets
-// These are chosen to be conservative and avoid problems rather than for maximum throughput
-
-#define T1H 900           // Width of a 1 bit in ns
-#define T1L (1250 - T1H)  // Width of a 1 bit in ns
-
-#define T0H 350           // Width of a 0 bit in ns
-#define T0L (1250 - T0H)  // Width of a 0 bit in ns
-
-// 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.
-#define RES 10000  // Width of the low gap between bits to cause a frame to latch
-
-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(T1H);
-            writePinLow(RGB_DI_PIN);
-            wait_ns(T1L);
-        } else {
-            // 0
-            writePinHigh(RGB_DI_PIN);
-            wait_ns(T0H);
-            writePinLow(RGB_DI_PIN);
-            wait_ns(T0L);
-        }
-    }
-}
-
-void ws2812_init(void) { setPinOutput(RGB_DI_PIN); }
-
-// 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
-        sendByte(ledarray[i].g);
-        sendByte(ledarray[i].r);
-        sendByte(ledarray[i].b);
-#ifdef RGBW
-        sendByte(ledarray[i].w);
-#endif
-    }
-
-    wait_ns(RES);
-
-    chSysUnlock();
-}