WS2812 bitbang: prefix for `NOP_FUDGE` define (#23110)

keyboards/xelus/xs60/hotswap/config.h

@@ -40,4 +40,4 @@
 #define RGBLIGHT_LAYERS_OVERRIDE_RGB_OFF
 
 // Bitbang WS2812
-#define NOP_FUDGE 0.4
+#define WS2812_BITBANG_NOP_FUDGE 0.4

keyboards/xelus/xs60/soldered/config.h

@@ -42,4 +42,4 @@
 #define RGBLIGHT_LAYERS_OVERRIDE_RGB_OFF
 
 // Bitbang WS2812
-#define NOP_FUDGE 0.4
+#define WS2812_BITBANG_NOP_FUDGE 0.4

platforms/chibios/drivers/ws2812_bitbang.c

@@ -3,18 +3,23 @@
 #include "gpio.h"
 #include "chibios_config.h"
 
+// DEPRECATED - DO NOT USE
+#if defined(NOP_FUDGE)
+#    define WS2812_BITBANG_NOP_FUDGE NOP_FUDGE
+#endif
+
 /* Adapted from https://github.com/bigjosh/SimpleNeoPixelDemo/ */
 
-#ifndef NOP_FUDGE
+#ifndef WS2812_BITBANG_NOP_FUDGE
 #    if defined(STM32F0XX) || defined(STM32F1XX) || defined(GD32VF103) || defined(STM32F3XX) || defined(STM32F4XX) || defined(STM32L0XX) || defined(WB32F3G71xx) || defined(WB32FQ95xx)
-#        define NOP_FUDGE 0.4
+#        define WS2812_BITBANG_NOP_FUDGE 0.4
 #    else
 #        if defined(RP2040)
 #            error "Please use `vendor` WS2812 driver for RP2040"
 #        else
-#            error "NOP_FUDGE configuration required"
+#            error "WS2812_BITBANG_NOP_FUDGE configuration required"
 #        endif
-#        define NOP_FUDGE 1 // this just pleases the compile so the above error is easier to spot
+#        define WS2812_BITBANG_NOP_FUDGE 1 // this just pleases the compile so the above error is easier to spot
 #    endif
 #endif
 
@@ -33,7 +38,7 @@
 #endif
 
 #define NUMBER_NOPS 6
-#define CYCLES_PER_SEC (CPU_CLOCK / NUMBER_NOPS * NOP_FUDGE)
+#define CYCLES_PER_SEC (CPU_CLOCK / NUMBER_NOPS * WS2812_BITBANG_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)