int main(void)
{
DelayInit();
UART_QuickInit(UART0_RX_PD06_TX_PD07, 115200);
GPIO_QuickInit(HW_GPIOE, 6, kGPIO_Mode_OPP); /* LED */
printf("calc the PWM duty, pwm will be generated on PA08 and input pin: PC01 and PC02\r\n");
FTM_PWM_QuickInit(FTM1_CH0_PA08, kPWM_EdgeAligned, 200);
FTM_PWM_ChangeDuty(HW_FTM1, HW_FTM_CH0, 2500);/* 25% */
/* 配置IC 功能 设置中断 */
FTM_IC_QuickInit(FTM0_CH0_PC01, kFTM_ClockDiv128);
FTM_IC_SetTriggerMode(HW_FTM0, HW_FTM_CH0, kFTM_IC_RisingEdge);
FTM_CallbackInstall(HW_FTM0, FTM0_ISR);
FTM_ITDMAConfig(HW_FTM0, kFTM_IT_CH0, true);
FTM_IC_QuickInit(FTM0_CH1_PC02, kFTM_ClockDiv128);
FTM_IC_SetTriggerMode(HW_FTM0, HW_FTM_CH1, kFTM_IC_FallingEdge);
/* FTM_CallbackInstall(HW_FTM1, FTM1_ISR); */
FTM_ITDMAConfig(HW_FTM0, kFTM_IT_CH1, true);
while(1)
{
/*
printf("Frequency:%6dHz", InputCaptureValue);
printf(" Frequency1:%6dHz\r\n", InputCaptureValue1);
*/
printf("Duty = %3f%% \n",((double)InputCaptureValue)/((double)InputCaptureValue1)*100.0);
GPIO_ToggleBit(HW_GPIOE, 6); //控制小灯闪烁
DelayMs(500);
}
}
static rt_err_t rt_beep_open(rt_device_t dev, rt_uint16_t oflag)
{
if (dev->rx_indicate != RT_NULL)
{
/* Open Interrupt */
}
ftm_instance = FTM_PWM_QuickInit(FTM0_CH3_PA06, kPWM_EdgeAligned, 10000);
FTM_PWM_ChangeDuty(ftm_instance, HW_FTM_CH3, 0);
return RT_EOK;
}
int main(void)
{
DelayInit();
GPIO_QuickInit(HW_GPIOE, 6, kGPIO_Mode_OPP); /* LED */
UART_QuickInit(UART0_RX_PD06_TX_PD07, 115200);
printf("kPWM_Complementary test, pwm will be generated on PC01 and PC02\r\n");
/* 初始化互补PWM 必须调用2次FTM_PWM_Init 硬件会自动连接相邻的2个通道*/
FTM_PWM_QuickInit(FTM0_CH0_PC01, kPWM_Complementary, 3000);
FTM_PWM_QuickInit(FTM0_CH1_PC02, kPWM_Complementary, 3000);
/* 设置FTM 的占空比 */
FTM_PWM_ChangeDuty(HW_FTM0, HW_FTM_CH0, 8000); // 50%占空比 0-10000 对应 0-100% 设置任意一个通道则会一起改变
while(1)
{
GPIO_ToggleBit(HW_GPIOE, 6);
DelayMs(500);
}
}
static rt_err_t rt_beep_control(rt_device_t dev, rt_uint8_t cmd, void *args)
{
RT_ASSERT(dev != RT_NULL);
static int freq = 10000;
switch (cmd)
{
case RT_DEVICE_CTRL_BEEP_START:
FTM_PWM_ChangeDuty(ftm_instance, HW_FTM_CH3, 3000);
break;
case RT_DEVICE_CTRL_BEEP_STOP:
FTM_PWM_ChangeDuty(ftm_instance, HW_FTM_CH3, 0);
break;
case RT_DEVICE_CTRL_SET_BEEP_FRQ:
freq = *(int*)args;
FTM_PWM_QuickInit(FTM0_CH3_PA06, kPWM_EdgeAligned, freq);
break;
}
return RT_EOK;
}
int main(void)
{
DelayInit();
UART_QuickInit(UART0_RX_PD06_TX_PD07, 115200);
GPIO_QuickInit(HW_GPIOE, 6, kGPIO_Mode_OPP); /* LED */
printf("ftm intput capture test, pwm will be generated on PA06 and input pin: PA08\r\n");
FTM_PWM_QuickInit(FTM0_CH3_PA06, kPWM_EdgeAligned, 200);
/* 配置IC 功能 设置中断 */
FTM_IC_QuickInit(FTM1_CH0_PA08, kFTM_ClockDiv128);
FTM_IC_SetTriggerMode(HW_FTM1, HW_FTM_CH0, kFTM_IC_FallingEdge);
FTM_CallbackInstall(HW_FTM1, FTM1_ISR);
FTM_ITDMAConfig(HW_FTM1, kFTM_IT_CH0, true);
while(1)
{
printf("Frequency:%6dHz\r", InputCaptureValue);
GPIO_ToggleBit(HW_GPIOE, 6); //控制小灯闪烁
DelayMs(500);
}
}