84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
////////////////////////////////////////////////////////////////////////////////
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/// @file tim3_pwm_output.c
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/// @author AE TEAM
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/// @brief PWM output.
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////////////////////////////////////////////////////////////////////////////////
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/// @attention
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///
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/// THE EXISTING FIRMWARE IS ONLY FOR REFERENCE, WHICH IS DESIGNED TO PROVIDE
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/// CUSTOMERS WITH CODING INFORMATION ABOUT THEIR PRODUCTS SO THEY CAN SAVE
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/// TIME. THEREFORE, MINDMOTION SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT OR
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/// CONSEQUENTIAL DAMAGES ABOUT ANY CLAIMS ARISING OUT OF THE CONTENT OF SUCH
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/// HARDWARE AND/OR THE USE OF THE CODING INFORMATION CONTAINED HEREIN IN
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/// CONNECTION WITH PRODUCTS MADE BY CUSTOMERS.
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///
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/// <H2><CENTER>© COPYRIGHT MINDMOTION </CENTER></H2>
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////////////////////////////////////////////////////////////////////////////////
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// Define to prevent recursive inclusion
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#define _TIM3_PWM_OUTPUT_C_
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// Files includes
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#include "tim3_pwm_output.h"
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#include "public.h"
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////////////////////////////////////////////////////////////////////////////////
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/// @brief TIM3 Pin Config
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/// @param None
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/// @retval None.
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////////////////////////////////////////////////////////////////////////////////
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void TIM3_GPIO_Init(void)
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{
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}
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void TIM3_time_Init(u16 arr, u16 psc)
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{
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NVIC_InitTypeDef NVIC_StructInit;
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TIM_TimeBaseInitTypeDef TIM_TimeBaseStruct;
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TIM_OCInitTypeDef TIM_OCInitStruct;
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RCC_APB1PeriphClockCmd(RCC_APB1ENR_TIM3, ENABLE);
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TIM_TimeBaseStructInit(&TIM_TimeBaseStruct);
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TIM_TimeBaseStruct.TIM_Period = arr;
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TIM_TimeBaseStruct.TIM_Prescaler = psc;
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//Setting Clock Segmentation
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TIM_TimeBaseStruct.TIM_ClockDivision = TIM_CKD_DIV1;
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TIM_TimeBaseStruct.TIM_RepetitionCounter = 0;
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///TIM Upward Counting Mode
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TIM_TimeBaseStruct.TIM_CounterMode = TIM_CounterMode_Up;
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TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStruct);
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//使能TIM3 NVIC中断优先级通道
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NVIC_StructInit.NVIC_IRQChannel = TIM3_IRQn;
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//配置TIM3 NVIC中断优先级
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NVIC_StructInit.NVIC_IRQChannelPriority = 2;
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//使能NVIC中断优先级
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NVIC_StructInit.NVIC_IRQChannelCmd = ENABLE;
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//根据配置的中断优先级参数初始化TIM3中断优先级
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NVIC_Init(&NVIC_StructInit);
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TIM_ClearFlag(TIM3, TIM_FLAG_Update);
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TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE);
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TIM_Cmd(TIM3, ENABLE);
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}
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void TIM3_IRQHandler(void)
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{
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if(TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET)
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{
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TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
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}
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}
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/// @}
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/// @}
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