2222200_zh-CN

是

当预分频器设置的值与 KPWM_Presca 不同时，IMXRT1062 上的 PWM 捕获已停止

您好，

，我遇到了一个问题，在配置四个 PWM 外围设备中任何一个的时钟分频器时，如果使用的值不是 kPWM_Prescale_Divide_1，则所选 PWM 外围设备的计数器根本不起作用。

我使用的是 imxrt1062 处理器和 MCUXpresso IDE v11.9.1

，希望你们能尽快支持我。
下面是我配置和初始化 PWM 外围设备的代码片段。

静态 void pwm_init(void)

{

pwm_config_tpwmConfig；

pwm_input_capture_param_tcaptureConfig；

pwm_fault_param_tfaultConfig；

/* 读取 PWM 默认配置 */

PWM_GetDefaultConfig(&pwmConfig)；

pwmConfig.时钟源= kPWM_BusClock;

pwmConfig.预标度= kPWM_Prescale_Divide_2;

pwmConfig.配对操作= kPWM_Independent;

pwmConfig.初始化控制= kPWM_Initialize_LocalSync;

pwmConfig.重载逻辑= kPWM_ReloadImmediate;

pwmConfig.重新加载选择= kPWM_LocalReload;

pwmConfig.重载频率= kPWM_LoadEveryOportunity;

pwmConfig.强制触发= kPWM_Force_LocalSync;

pwmConfig.启用调试模式= true；

PWM_Init(PWM1_BASEADDR、 kPWM_Module_3,&pwmConfig）；

PWM_Init(PWM2_BASEADDR、 kPWM_Module_3,&pwmConfig）；

PWM_Init(PWM3_BASEADDR、 kPWM_Module_1,&pwmConfig）；

PWM_Init(PWM4_BASEADDR、 kPWM_Module_1,&pwmConfig）；

// 故障配置

PWM_FaultDefaultConfig(&faultConfig)；

/* 安装 PWM 故障保护 */

PWM_SetupFaults(PWM1_BASEADDR、 kPWM_Fault_0&faultConfig）；

PWM_SetupFaults(PWM1_BASEADDR、 kPWM_Fault_1&faultConfig）；

PWM_SetupFaults(PWM1_BASEADDR、 kPWM_Fault_2&faultConfig）；

PWM_SetupFaults(PWM1_BASEADDR、 kPWM_Fault_3&faultConfig）；

/* 为子模块 0/1/2 设置 PWM 故障禁用映射 */

PWM_SetupFaultDisableMap(PWM1_BASEADDR、 kPWM_Module_0, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

PWM_SetupFaultDisableMap(PWM1_BASEADDR、 kPWM_Module_1, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

PWM_SetupFaultDisableMap(PWM1_BASEADDR、 kPWM_Module_2, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

PWM_SetupFaultDisableMap(PWM1_BASEADDR、 kPWM_Module_3, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

/* 安装 PWM 故障保护 */

PWM_SetupFaults(PWM2_BASEADDR、 kPWM_Fault_0&faultConfig）；

PWM_SetupFaults(PWM2_BASEADDR、 kPWM_Fault_1&faultConfig）；

PWM_SetupFaults(PWM2_BASEADDR、 kPWM_Fault_2&faultConfig）；

PWM_SetupFaults(PWM2_BASEADDR、 kPWM_Fault_3&faultConfig）；

/* 为子模块 0/1/2 设置 PWM 故障禁用映射 */

PWM_SetupFaultDisableMap(PWM2_BASEADDR、 kPWM_Module_0, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

PWM_SetupFaultDisableMap(PWM2_BASEADDR、 kPWM_Module_1, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

PWM_SetupFaultDisableMap(PWM2_BASEADDR、 kPWM_Module_2, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

PWM_SetupFaultDisableMap(PWM2_BASEADDR、 kPWM_Module_3, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

/* 安装 PWM 故障保护 */

PWM_SetupFaults(PWM3_BASEADDR、 kPWM_Fault_0&faultConfig）；

PWM_SetupFaults(PWM3_BASEADDR、 kPWM_Fault_1&faultConfig）；

PWM_SetupFaults(PWM3_BASEADDR、 kPWM_Fault_2&faultConfig）；

PWM_SetupFaults(PWM3_BASEADDR、 kPWM_Fault_3&faultConfig）；

/* 为子模块 0/1/2 设置 PWM 故障禁用映射 */

PWM_SetupFaultDisableMap(PWM3_BASEADDR、 kPWM_Module_0, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

PWM_SetupFaultDisableMap(PWM3_BASEADDR、 kPWM_Module_1, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

PWM_SetupFaultDisableMap(PWM3_BASEADDR、 kPWM_Module_2, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

PWM_SetupFaultDisableMap(PWM3_BASEADDR、 kPWM_Module_3, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

/* 安装 PWM 故障保护 */

PWM_SetupFaults(PWM4_BASEADDR、 kPWM_Fault_0&faultConfig）；

PWM_SetupFaults(PWM4_BASEADDR、 kPWM_Fault_1&faultConfig）；

PWM_SetupFaults(PWM4_BASEADDR、 kPWM_Fault_2&faultConfig）；

PWM_SetupFaults(PWM4_BASEADDR、 kPWM_Fault_3&faultConfig）；

/* 为子模块 0/1/2 设置 PWM 故障禁用映射 */

PWM_SetupFaultDisableMap(PWM4_BASEADDR、 kPWM_Module_0, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

PWM_SetupFaultDisableMap(PWM4_BASEADDR、 kPWM_Module_1, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

PWM_SetupFaultDisableMap(PWM4_BASEADDR、 kPWM_Module_2, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

PWM_SetupFaultDisableMap(PWM4_BASEADDR、 kPWM_Module_3, kPWM_PwmA, kPWM_faultchannel_0, kPWM_FaultDisable_0| kPWM_FaultDisable_1| kPWM_FaultDisable_2| kPWM_FaultDisable_3);

/* 为单次轮询配置 PWM 的捕获输入 */

captureConfig.captureInputSel= true；

捕捉配置。边缘0= kPWM_RiseAndFallEdge;

捕捉配置。边缘1= kPWM_Disable;

captureConfig.enableOneShotCapture= false；

captureConfig.edgeCompareValue= 1;

PWM_SetupInputCapture(PWM1_BASEADDR、 kPWM_Module_3, kPWM_PwmA&captureConfig）；

PWM_SetupInputCapture(PWM2_BASEADDR、 kPWM_Module_3, kPWM_PwmA&captureConfig）；

PWM_SetupInputCapture(PWM3_BASEADDR、 kPWM_Module_1, kPWM_PwmA&captureConfig）；

PWM_SetupInputCapture(PWM4_BASEADDR、 kPWM_Module_1, kPWM_PwmA&captureConfig）；

PWM_SetPwmLdok(PWM1_BASEADDR、 kPWM_Control_Module_3，true）；

PWM_SetPwmLdok(PWM2_BASEADDR、 kPWM_Control_Module_3，true）；

PWM_SetPwmLdok(PWM3_BASEADDR、 kPWM_Control_Module_1，true）；

PWM_SetPwmLdok(PWM4_BASEADDR、 kPWM_Control_Module_1，true）；

PWM_StartTimer(PWM1_BASEADDR、 kPWM_Control_Module_3);

PWM_StartTimer(PWM2_BASEADDR、 kPWM_Control_Module_3);

PWM_StartTimer(PWM3_BASEADDR、 kPWM_Control_Module_1);

PWM_StartTimer(PWM4_BASEADDR、 kPWM_Control_Module_1);

}