void CMP_Init(CMP_Type *base, const cmp_config_t *config)
{
assert(NULL != config);
uint8_t tmp8;
#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
/* Enable the clock. */
CLOCK_EnableClock(s_cmpClocks[CMP_GetInstance(base)]);
#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
/* Configure. */
CMP_Enable(base, false); /* Disable the CMP module during configuring. */
/* CMPx_CR1. */
tmp8 = base->CR1 & ~(CMP_CR1_PMODE_MASK | CMP_CR1_INV_MASK | CMP_CR1_COS_MASK | CMP_CR1_OPE_MASK);
if (config->enableHighSpeed)
{
tmp8 |= CMP_CR1_PMODE_MASK;
}
if (config->enableInvertOutput)
{
tmp8 |= CMP_CR1_INV_MASK;
}
if (config->useUnfilteredOutput)
{
tmp8 |= CMP_CR1_COS_MASK;
}
if (config->enablePinOut)
{
tmp8 |= CMP_CR1_OPE_MASK;
}
#if defined(FSL_FEATURE_CMP_HAS_TRIGGER_MODE) && FSL_FEATURE_CMP_HAS_TRIGGER_MODE
if (config->enableTriggerMode)
{
tmp8 |= CMP_CR1_TRIGM_MASK;
}
else
{
tmp8 &= ~CMP_CR1_TRIGM_MASK;
}
#endif /* FSL_FEATURE_CMP_HAS_TRIGGER_MODE */
base->CR1 = tmp8;
/* CMPx_CR0. */
tmp8 = base->CR0 & ~CMP_CR0_HYSTCTR_MASK;
tmp8 |= CMP_CR0_HYSTCTR(config->hysteresisMode);
base->CR0 = tmp8;
CMP_Enable(base, config->enableCmp); /* Enable the CMP module after configured or not. */
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
CMP_InitPara CMP_InitParaStruct;
/* Configurate RCC */
RCC_Configuration();
/* Configurate GPIOA*/
GPIO_Configuration();
GD_EVAL_LEDInit(LED3);
/* Initialize CMP1 */
CMP_ParaInit(&CMP_InitParaStruct);
CMP_InitParaStruct.CMP_InvertingInput = CMP_INVERTINGINPUT_1_4VREFINT;
CMP_InitParaStruct.CMP_Output = CMP_OUTPUT_TIM2IC4;
CMP_InitParaStruct.CMP_OutputPolarity = CMP_OUTPUTPOLARITY_NONINVERTED;
CMP_InitParaStruct.CMP_Hysteresis = CMP_HYSTERESIS_NO;
CMP_InitParaStruct.CMP_OperatingMode = CMP_OPERATINGMODE_VERYLOWSPEED;
CMP_Init(CMP_CHANNEL_CMP1, &CMP_InitParaStruct);
/* Configurate Timer2 and Interrupt */
TIMER_Configuration();
/* Enable CMP1 and Trigger Timer2 input capture */
CMP_Enable(CMP_CHANNEL_CMP1, ENABLE);
while(1);
}
void CMP_Deinit(CMP_Type *base)
{
/* Disable the CMP module. */
CMP_Enable(base, false);
/* Disable the clock. */
CLOCK_DisableClock(s_cmpClocks[CMP_GetInstance(base)]);
}
void CMP_Deinit(CMP_Type *base)
{
/* Disable the CMP module. */
CMP_Enable(base, false);
#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
/* Disable the clock. */
CLOCK_DisableClock(s_cmpClocks[CMP_GetInstance(base)]);
#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
CMP_InitPara CMP_InitParaStruct;
/* Enable Clock */
RCC_Configuration();
/* Enable GPIOA analog and alternate output */
GPIO_Configuration();
/* Configure CMP1 */
CMP_ParaInit(&CMP_InitParaStruct);
CMP_InitParaStruct.CMP_InvertingInput = CMP_INVERTINGINPUT_1_4VREFINT;
CMP_InitParaStruct.CMP_Output = CMP_OUTPUT_NONE;
CMP_InitParaStruct.CMP_OutputPolarity = CMP_OUTPUTPOLARITY_NONINVERTED;
CMP_InitParaStruct.CMP_Hysteresis = CMP_HYSTERESIS_NO;
CMP_InitParaStruct.CMP_OperatingMode = CMP_OPERATINGMODE_VERYLOWSPEED;
CMP_Init(CMP_CHANNEL_CMP1, &CMP_InitParaStruct);
/* Enable CMP1 */
CMP_Enable(CMP_CHANNEL_CMP1, ENABLE);
while(1);
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
CMP_InitPara CMP_InitParaStruct;
EXTI_InitPara EXTI_InitStruct;
NVIC_InitPara NVIC_InitStruct;
GD_EVAL_LEDInit(LED2);
/* configure RCC */
RCC_Configuration();
/* configure GPIO */
GPIO_Configuration();
/* Initial CMP */
CMP_ParaInit(&CMP_InitParaStruct);
CMP_InitParaStruct.CMP_InvertingInput = CMP_INVERTINGINPUT_1_4VREFINT;
CMP_InitParaStruct.CMP_Output = CMP_OUTPUT_NONE;
CMP_InitParaStruct.CMP_OutputPolarity = CMP_OUTPUTPOLARITY_NONINVERTED;
CMP_InitParaStruct.CMP_Hysteresis = CMP_HYSTERESIS_NO;
CMP_InitParaStruct.CMP_OperatingMode = CMP_OPERATINGMODE_VERYLOWSPEED;
CMP_Init(CMP_CHANNEL_CMP1, &CMP_InitParaStruct);
/* NVIC CMP1 output intertupt handle */
NVIC_InitStruct.NVIC_IRQ = ADC1_CMP_IRQn;
NVIC_InitStruct.NVIC_IRQPreemptPriority = 0;
NVIC_InitStruct. NVIC_IRQSubPriority = 0;
NVIC_InitStruct.NVIC_IRQEnable = ENABLE;
NVIC_Init(&NVIC_InitStruct);
/* EXTI trigger source CMP1 output configuration */
EXTI_InitStruct.EXTI_LINE = EXTI_LINE21 ;
EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStruct.EXTI_LINEEnable = ENABLE;
EXTI_Init(&EXTI_InitStruct);
/* Enable CMP1 and enter interrupt */
CMP_Enable(CMP_CHANNEL_CMP1, ENABLE);
while(1);
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
CMP_InitPara CMP_InitParaStruct;
RCC_Configuration();
GPIO_Configuration();
DAC_Configuration();
/* Set data for DAC channel1 */
DAC_SetDAC1Data(DAC_ALIGN_12B_R ,0xA00);
DAC_SoftwareTrigger_Enable(DAC1,ENABLE);
/* initialize CMP1 */
CMP_ParaInit(&CMP_InitParaStruct);
CMP_InitParaStruct.CMP_InvertingInput = CMP_INVERTINGINPUT_1_2VREFINT;
CMP_InitParaStruct.CMP_Output = CMP_OUTPUT_NONE;
CMP_InitParaStruct.CMP_OutputPolarity = CMP_OUTPUTPOLARITY_NONINVERTED;
CMP_InitParaStruct.CMP_Hysteresis = CMP_HYSTERESIS_NO;
CMP_InitParaStruct.CMP_OperatingMode = CMP_OPERATINGMODE_VERYLOWSPEED;
CMP_Init(CMP_CHANNEL_CMP1, &CMP_InitParaStruct);
/* Turn on switch between CMP1 and DAC */
CMP_Switch_Enable(ENABLE);
/* Enable CMP1 */
CMP_Enable(CMP_CHANNEL_CMP1, ENABLE);
while(1);
}
