追加更新：频率输出精度提高（添加四舍五入取整）

2025-04-07 10:44:07 +08:00 · 2025-04-07 10:44:07 +08:00 · 8074b96f75
parent 2cd09e4902
commit 8074b96f75
2 changed files with 7704 additions and 7704 deletions
--- a/Core/Inc/tim.h
+++ b/Core/Inc/tim.h
@ -38,7 +38,7 @@ extern "C" {
      HAL_TIMEx_PWMN_Stop(&htim1, TIM_CHANNEL_2);                        \
      return;                                                            \
    }                                                                    \
-    int32_t duty = FREQ_SYS / FREQ;                                  \
+    int32_t duty = ( (float32)FREQ_SYS / (float32)FREQ + (float32)0.5 ); \
    __HAL_TIM_SET_COMPARE(&htim1, TIM_CHANNEL_2, duty *PULSE / 100 - 1); \
    __HAL_TIM_SET_AUTORELOAD(&htim1, duty -1);                           \
    HAL_TIMEx_PWMN_Start(&htim1, TIM_CHANNEL_2);                         \
--- a/MDK-ARM/signal_generator/signal_generator.hex
+++ b/MDK-ARM/signal_generator/signal_generator.hex