From 3f6770b2b1fbe2b8258281e8ffde65fd4cb8bec4 Mon Sep 17 00:00:00 2001
From: MacRsh <MacRsh@outlook.com>
Date: Tue, 16 Jan 2024 04:14:33 +0800
Subject: [PATCH] =?UTF-8?q?1.CH32=E9=A9=B1=E5=8A=A8=E6=9B=B4=E6=96=B0?=
 =?UTF-8?q?=EF=BC=8C=E6=96=B0=E5=A2=9E=E7=A1=AC=E4=BB=B6=E5=BB=B6=E8=BF=9F?=
 =?UTF-8?q?=E5=87=BD=E6=95=B0=E3=80=82=202.CH32=E9=A9=B1=E5=8A=A8=E4=BF=AE?=
 =?UTF-8?q?=E5=A4=8D=EF=BC=8CPWM=E9=80=9A=E9=81=93=E8=AE=BE=E7=BD=AE?=
 =?UTF-8?q?=E5=88=9D=E5=80=BC=E3=80=82?=
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---
 bsp/wch/driver/drv_pwm.c  |  4 ++++
 bsp/wch/driver/mr_board.c | 19 +++++++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 bsp/wch/driver/mr_board.c

diff --git a/bsp/wch/driver/drv_pwm.c b/bsp/wch/driver/drv_pwm.c
index 2a91e59..e42942c 100644
--- a/bsp/wch/driver/drv_pwm.c
+++ b/bsp/wch/driver/drv_pwm.c
@@ -193,6 +193,7 @@ static int drv_pwm_channel_configure(struct mr_pwm *pwm, int channel, int state,
             GPIO_Init(pwm_data->ch1_port, &GPIO_InitStructure);
             TIM_OC1Init(pwm_data->instance, &TIM_OCInitStructure);
             TIM_OC1PreloadConfig(pwm_data->instance, state ? TIM_OCPreload_Enable : TIM_OCPreload_Disable);
+            TIM_SetCompare1(pwm_data->instance, 0);
             return MR_EOK;
         }
         case 2:
@@ -201,6 +202,7 @@ static int drv_pwm_channel_configure(struct mr_pwm *pwm, int channel, int state,
             GPIO_Init(pwm_data->ch2_port, &GPIO_InitStructure);
             TIM_OC2Init(pwm_data->instance, &TIM_OCInitStructure);
             TIM_OC2PreloadConfig(pwm_data->instance, state ? TIM_OCPreload_Enable : TIM_OCPreload_Disable);
+            TIM_SetCompare2(pwm_data->instance, 0);
             return MR_EOK;
         }
         case 3:
@@ -209,6 +211,7 @@ static int drv_pwm_channel_configure(struct mr_pwm *pwm, int channel, int state,
             GPIO_Init(pwm_data->ch3_port, &GPIO_InitStructure);
             TIM_OC3Init(pwm_data->instance, &TIM_OCInitStructure);
             TIM_OC3PreloadConfig(pwm_data->instance, state ? TIM_OCPreload_Enable : TIM_OCPreload_Disable);
+            TIM_SetCompare3(pwm_data->instance, 0);
             return MR_EOK;
         }
         case 4:
@@ -217,6 +220,7 @@ static int drv_pwm_channel_configure(struct mr_pwm *pwm, int channel, int state,
             GPIO_Init(pwm_data->ch4_port, &GPIO_InitStructure);
             TIM_OC4Init(pwm_data->instance, &TIM_OCInitStructure);
             TIM_OC4PreloadConfig(pwm_data->instance, state ? TIM_OCPreload_Enable : TIM_OCPreload_Disable);
+            TIM_SetCompare4(pwm_data->instance, 0);
             return MR_EOK;
         }
 
diff --git a/bsp/wch/driver/mr_board.c b/bsp/wch/driver/mr_board.c
new file mode 100644
index 0000000..e2c9b96
--- /dev/null
+++ b/bsp/wch/driver/mr_board.c
@@ -0,0 +1,19 @@
+/*
+ * @copyright (c) 2023-2024, MR Development Team
+ *
+ * @license SPDX-License-Identifier: Apache-2.0
+ *
+ * @date 2024-01-16    MacRsh       First version
+ */
+
+#include "mr_board.h"
+
+void mr_delay_us(uint32_t us)
+{
+    Delay_Us(us);
+}
+
+void mr_delay_ms(uint32_t ms)
+{
+    Delay_Ms(ms);
+}