修正delay_us被优化的错误

舵机初始化时默认旋转90度
2024-07-19 09:14:32 +08:00 · 2024-07-19 09:14:01 +08:00
2 changed files with 2 additions and 1 deletions
--- a/Core/Src/syscalls.c
+++ b/Core/Src/syscalls.c
@ -64,7 +64,7 @@ GETCHAR_PROTOTYPE

 void delay_us(uint16_t us)
 {
-    uint32_t delay = (HAL_RCC_GetHCLKFreq() / 4000000 * us);
+    volatile uint32_t delay = (HAL_RCC_GetHCLKFreq() / 4000000 * us);
    while (delay--);
 }

--- a/Peripheral/Src/servo.c
+++ b/Peripheral/Src/servo.c
@ -3,6 +3,7 @@

 void SERVO_Init()
 {
+    __HAL_TIM_SetCompare(&htim1, TIM_CHANNEL_4, 150);
    HAL_TIM_PWM_Start(&htim1, TIM_CHANNEL_4);
 }
Author	SHA1	Message	Date
EN	e82a79f1c3	修正delay_us被优化的错误	2024-07-19 09:14:32 +08:00
EN	cf240a9d5c	舵机初始化时默认旋转90度	2024-07-19 09:14:01 +08:00