Use PWM driver for ws2812

keyboards/mawaeg/sharkropad/chconf.h

@@ -0,0 +1,22 @@
+/* Copyright 2025 @mawaeg
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#define CH_CFG_ST_RESOLUTION 16
+#define CH_CFG_ST_FREQUENCY 10000
+
+#include_next <chconf.h>

keyboards/mawaeg/sharkropad/config.h

@@ -19,4 +19,8 @@
 #define I2C1_SCL_PIN A9
 #define I2C1_SDA_PIN A10
 
-#define WS2812_BITBANG_NOP_FUDGE 0.4
+#define WS2812_PWM_DRIVER PWMD2
+#define WS2812_PWM_CHANNEL 2
+#define WS2812_PWM_PAL_MODE 1
+#define WS2812_PWM_DMA_STREAM STM32_DMA1_STREAM2
+#define WS2812_PWM_DMA_CHANNEL 4

keyboards/mawaeg/sharkropad/halconf.h

@@ -17,5 +17,6 @@
 #pragma once
 
 #define HAL_USE_I2C TRUE
+#define HAL_USE_PWM TRUE
 
 #include_next <halconf.h>

keyboards/mawaeg/sharkropad/keyboard.json

@@ -112,6 +112,7 @@
         "vid": "0x6D73"
     },
     "ws2812": {
+        "driver": "pwm",
         "pin": "B3"
     },
     "layouts": {

keyboards/mawaeg/sharkropad/mcuconf.h

@@ -20,3 +20,9 @@
 
 #undef STM32_I2C_USE_I2C1
 #define STM32_I2C_USE_I2C1 TRUE
+
+#undef STM32_PWM_USE_TIM2
+#define STM32_PWM_USE_TIM2 TRUE
+
+#undef STM32_ST_USE_TIMER
+#define STM32_ST_USE_TIMER 15