主题中讨论的其他器件: SysConfig
1.用MSPM0L1306 μ A-Q1 (__LW_AT__VSSOP 封装28封装)做了一个板子,现在可以开机和运行LED闪烁程序。
2.正在debug PWM out的程序,用PA14(TIMG1、C0)输出,但是始终没有在示波器上看到PWM波,查过示波器设置没有问题。
3.下面是PWM的初始化程序,麻烦查一下,看看是哪里的问题,谢谢!
#define GPIO_PWM_PORT (GPIOA)
#define GPIO_RGB_PWMOUTT_PIN (DL_GPIO_PIN_14)
#define GPIO_IOMUX_RGB_PWMOUTT (IOMUX_PINCM15)
#define GPIO_IOMUX_FUNC_PWMOUTT_PWM (IOMUX_PINCM15_PF_TIMG1_CCP0)
静态 const DL_TimerG_ClockConfig gLIGHTSENSOR_pwm_outt_INSTClockConfig ={
.clockSel = DL_TIMER_CLOCK_LFCLK
divideRatio = DL_TIMER_Cock_Divid_1、
.prescale = 0、
};
静态常量 DL_TimerG_PWMConfig gLIGHTSENSOR_PWM_OUTT_INSTConfig ={
.period = RGB_LED_PERIOD、/*可见光的64Hz PWM 信号*/
.pwmMode = DL_TIMER_PWM_MODE_EDGE_ALIGN
.startTimer = false、
};
void PWMout1_init (void)
{
DL_GPIO_initDigitalOutput (GPIO_IOMUX_RGB_PWMOUTT);
DL_GPIO_clearPins (GPIO_PWM_PORT、GPIO_RGB_PWMOUTT_PIN);
DL_GPIO_enableOutput (GPIO_PWM_PORT、GPIO_RGB_PWMOUTT_PIN);
DL_GPIO_initPeripheralOutputFunction (GPIO_IOMUX_RGB_PWMOUTT、GPIO_IOMUX_FUNC_PWMOUTT_PWM);
//================================
DL_TimerG_setClockConfig (LIGHTSENSOR_PWM_OUT_INST、
(DL_TimerG_ClockConfig *)&gLIGHTSENSOR_PWM_OUTT_INSTClockConfig);
DL_TimerG_initPWMMode (LIGHTSENSOR_PWM_OUT_INST、
(DL_TimerG_PWMConfig *)&gLIGHTSENSOR_PWM_OUTT_INSTConfig);
/*配置50%占空比*/
DL_TimerG_setCaptureCompareValue (
lIGHTSENSOR_PWM_OUT_INST、PWM_OUTT_PERIOD / 2、DL_TIMER_CC_1_INDEX);
DL_TimerG_clearInterruptStatus (
lIGHTSENSOR_PWM_OUT_INST、DL_TIMER_INTERRUPT_ZERO _EVENT);
DL_TimerG_enableInterrupt (
lIGHTSENSOR_PWM_OUT_INST、DL_TIMER_INTERRUPT_ZERO _EVENT);
DL_TimerG_enableClock (LIGHTSENSOR_PWM_OUT_INST);
DL_TimerG_setCCPDirection (LIGHTSENSOR_PWM_OUT_INST、DL_TIMER_CC1_OUTPUT);
DL_TimerG_startCounter (LIGHTSENSOR_PWM_OUT_INST);
}