PWM_PHASE_BKIN_POLARITU_POLARITY
时间: 2023-08-07 21:02:46 浏览: 51
PWM_PHASE_BKIN_POLARITU_POLARITY是一个错误的问题,它不是一个有效的问题。请提供一个正确的问题,我将尽力回答。
#### 引用[.reference_title]
- *1* *2* *3* [PWM 实现调光——测试pwn的功能](https://blog.csdn.net/Leroi64/article/details/121073451)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^koosearch_v1,239^v3^insert_chatgpt"}} ] [.reference_item]
[ .reference_list ]
相关问题
帮我将代码修改为标准库 void atim_timx_cplm_pwm_init(uint16_t arr, uint16_t psc) { TIM_OC_InitTypeDef sConfigOC ; g_atimx_cplm_pwm_handle.Instance = ATIM_TIMX_CPLM; /* 定时器x / g_atimx_cplm_pwm_handle.Init.Prescaler = psc; / 定时器预分频系数 / g_atimx_cplm_pwm_handle.Init.CounterMode = TIM_COUNTERMODE_UP; / 向上计数模式 / g_atimx_cplm_pwm_handle.Init.Period = arr; / 自动重装载值 / g_atimx_cplm_pwm_handle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; / 时钟分频因子 / g_atimx_cplm_pwm_handle.Init.RepetitionCounter = 0; / 重复计数器寄存器为0 / g_atimx_cplm_pwm_handle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE; / 使能影子寄存器TIMx_ARR / HAL_TIM_PWM_Init(&g_atimx_cplm_pwm_handle) ; / 设置PWM输出 / sConfigOC.OCMode = TIM_OCMODE_PWM1; / PWM模式1 / sConfigOC.Pulse = 0; / 比较值为0 / sConfigOC.OCPolarity = TIM_OCPOLARITY_LOW; / OCy 低电平有效 / sConfigOC.OCNPolarity = TIM_OCNPOLARITY_LOW; / OCyN 低电平有效 / sConfigOC.OCFastMode = TIM_OCFAST_ENABLE; / 不使用快速模式 / sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET; / 主通道的空闲状态 / sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET; / 互补通道的空闲状态 / HAL_TIM_PWM_ConfigChannel(&g_atimx_cplm_pwm_handle, &sConfigOC, ATIM_TIMX_CPLM_CHY); / 配置后默认清CCER的互补输出位 / / 设置死区参数,开启死区中断 / sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_ENABLE; / OSSR设置为1 / sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE; / OSSI设置为0 / sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF; / 上电只能写一次,需要更新死区时间时只能用此值 / sBreakDeadTimeConfig.DeadTime = 0X0F; / 死区时间 / sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE; / BKE = 0, 关闭BKIN检测 / sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_LOW; / BKP = 1, BKIN低电平有效 / sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE; / 使能AOE位,允许刹车后自动恢复输出 / HAL_TIMEx_ConfigBreakDeadTime(&g_atimx_cplm_pwm_handle, &sBreakDeadTimeConfig); / 设置BDTR寄存器 */ }
以下是修改后的标准库代码:
```
void atim_timx_cplm_pwm_init(uint16_t arr, uint16_t psc)
{
TIM_HandleTypeDef g_atimx_cplm_pwm_handle;
TIM_OC_InitTypeDef sConfigOC;
TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig;
g_atimx_cplm_pwm_handle.Instance = ATIM_TIMX_CPLM;
g_atimx_cplm_pwm_handle.Init.Prescaler = psc;
g_atimx_cplm_pwm_handle.Init.CounterMode = TIM_COUNTERMODE_UP;
g_atimx_cplm_pwm_handle.Init.Period = arr;
g_atimx_cplm_pwm_handle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
g_atimx_cplm_pwm_handle.Init.RepetitionCounter = 0;
g_atimx_cplm_pwm_handle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
HAL_TIM_PWM_Init(&g_atimx_cplm_pwm_handle);
sConfigOC.OCMode = TIM_OCMODE_PWM1;
sConfigOC.Pulse = 0;
sConfigOC.OCPolarity = TIM_OCPOLARITY_LOW;
sConfigOC.OCNPolarity = TIM_OCNPOLARITY_LOW;
sConfigOC.OCFastMode = TIM_OCFAST_ENABLE;
sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
HAL_TIM_PWM_ConfigChannel(&g_atimx_cplm_pwm_handle, &sConfigOC, ATIM_TIMX_CPLM_CHY);
sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_ENABLE;
sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE;
sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;
sBreakDeadTimeConfig.DeadTime = 0X0F;
sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;
sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_LOW;
sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;
HAL_TIMEx_ConfigBreakDeadTime(&g_atimx_cplm_pwm_handle, &sBreakDeadTimeConfig);
}
```
注意:以上代码是基于您提供的代码进行修改的,没有进行实际测试,可能需要根据实际情况进行调整。
STM比较器的TIM1_BKIN有什么用
在STM32中,TIM1_BKIN是TIM1定时器的反相输入端。TIM1_BKIN输入可以用于触发STM32的比较器,实现一些特殊的功能,例如PWM输入捕获、PWM信号的比较检测和PWM输出控制等。
具体来说,将TIM1_BKIN和比较器的非反相输入端连接,可以实现PWM输入捕获功能。当TIM1_BKIN输入的PWM信号的占空比发生变化时,比较器会检测到这一变化,并产生相应的中断或触发DMA传输等操作。
另外,将TIM1_BKIN和比较器的反相输入端连接,则可以实现PWM输出控制功能。在这种情况下,比较器会根据TIM1_BKIN输入的PWM信号和比较器的阈值进行比较,并产生相应的PWM输出信号。
需要注意的是,使用TIM1_BKIN输入进行比较器功能的实现时,需要根据具体的应用场景进行合理的配置和调试,以确保其正常工作和稳定性。同时,还需要考虑到输入PWM信号的频率和占空比等参数对比较器性能的影响。