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追加更新：频率输出精度提高（添加四舍五入取整）

This commit is contained in:
吴俊潮 2025-04-07 10:44:07 +08:00
parent 2cd09e4902
commit 8074b96f75
2 changed files with 7704 additions and 7704 deletions
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2
Core/Inc/tim.h
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@ -38,7 +38,7 @@ extern "C" {
HAL_TIMEx_PWMN_Stop(&htim1, TIM_CHANNEL_2); \ HAL_TIMEx_PWMN_Stop(&htim1, TIM_CHANNEL_2); \
return; \ 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_COMPARE(&htim1, TIM_CHANNEL_2, duty *PULSE / 100 - 1); \
__HAL_TIM_SET_AUTORELOAD(&htim1, duty -1); \ __HAL_TIM_SET_AUTORELOAD(&htim1, duty -1); \
HAL_TIMEx_PWMN_Start(&htim1, TIM_CHANNEL_2); \ HAL_TIMEx_PWMN_Start(&htim1, TIM_CHANNEL_2); \

15402
MDK-ARM/signal_generator/signal_generator.hex
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