大家好，请问大家，我在使用GD32E230的定时器触发ADC转换时，基于官方的这个例程把TIMER0改成TIMER14后集成在程序里不能工作（TIMER0在程序里做其他用途了，所以要改成TIMER14）。使能ADC转换完成中断后，未能进中断，用软件触发方式则可以进中断，我感觉是配置有问题未能触发ADC转换。观察TIMER14的寄存器，发现计数器是滚动的。请问大家有没有相关经验，或者哪位大神能帮我解决一下这个问题，可以适当有偿报酬。
/*
***************************************************************************************************
* Includes
***************************************************************************************************
*/
/* global declarations */
#include "common.h"
/* module import interface */
#include "Adc_Inf.h"
/* private module interface */
#include "Adc_Prv.h"
/*
***************************************************************************************************
* Variables
***************************************************************************************************
*/
MEMORY_ALIGNED(4) volatile uint16 Adc_aResultValue[2];
/*
***************************************************************************************************
* used functions
***************************************************************************************************
*/
void Adc_DmaConfig(void);
void Adc_TrigTimerConfig(void);
/**
***************************************************************************************************
* Adc_Init - Initializes the ADC hardware unit and the driver.
*
*
*
* \param none
* \return none
* \retval none
* \seealso
* \usedresources
***************************************************************************************************
*/
void Adc_Init(void)
{
/* Enable ADC clock */
rcu_periph_clock_enable(RCU_ADC);
/* Config ADC clock */
rcu_adc_clock_config(RCU_ADCCK_APB2_DIV6);
/* Reset ADC */
adc_deinit();
/* DMA configuration */
Adc_DmaConfig();
#if (ADC_TRIG_TIMER_ENABLE == STD_ON)
/* Trigger Timer configuration */
Adc_TrigTimerConfig();
#endif
/* ADC scan function enable */
adc_special_function_config(ADC_SCAN_MODE, ENABLE);
/* ADC data alignment config */
adc_data_alignment_config(ADC_DATAALIGN_RIGHT);
/* ADC channel length config */
adc_channel_length_config(ADC_REGULAR_CHANNEL, 2);
/* ADC regular channel config */
adc_regular_channel_config(0, ADC_CHANNEL_0, ADC_SAMPLETIME_55POINT5);
adc_regular_channel_config(1, ADC_CHANNEL_1, ADC_SAMPLETIME_55POINT5);
/* ADC trigger config */
#if (ADC_TRIG_TIMER_ENABLE == STD_OFF)
adc_external_trigger_source_config(ADC_REGULAR_CHANNEL, ADC_EXTTRIG_REGULAR_NONE);
#else
adc_external_trigger_source_config(ADC_REGULAR_CHANNEL, ADC_EXTTRIG_REGULAR_T14_CH0);
#endif
adc_external_trigger_config(ADC_REGULAR_CHANNEL, ENABLE);
/* Enable ADC interface */
adc_enable();
Cpu_WaitTime(CPU_MS_TO_TICKS(1));
/* ADC calibration and reset calibration */
adc_calibration_enable();
#if (ADC_TRIG_TIMER_ENABLE == STD_OFF)
/* ADC software trigger enable */
adc_software_trigger_enable(ADC_REGULAR_CHANNEL);
#endif
/* ADC DMA function enable */
adc_dma_mode_enable();
#if (ADC_TRIG_TIMER_ENABLE == STD_ON)
/* Enable Trigger Timer */
timer_enable(ADC_TRIG_TIMER);
#endif
/* ADC interrupt config */
nvic_irq_enable(ADC_CMP_IRQn, 0U);
adc_interrupt_enable(ADC_INT_EOC);
}
/**
***************************************************************************************************
* Adc_DmaConfig - DMA configuration function.
*
*
*
* \param none
* \return none
* \retval none
* \seealso
* \usedresources
***************************************************************************************************
*/
void Adc_DmaConfig(void)
{
dma_parameter_struct dma_init_struct;
/* Enable DMA clock */
rcu_periph_clock_enable(RCU_DMA);
/* Initialize DMA channel */
dma_deinit(DMA_CH0);
dma_init_struct.direction = DMA_PERIPHERAL_TO_MEMORY;
dma_init_struct.memory_addr = (uint32)Adc_aResultValue;
dma_init_struct.memory_inc = DMA_MEMORY_INCREASE_ENABLE;
dma_init_struct.memory_width = DMA_MEMORY_WIDTH_16BIT;
dma_init_struct.number = 2;
dma_init_struct.periph_addr = (uint32)&(ADC_RDATA);
dma_init_struct.periph_inc = DMA_PERIPH_INCREASE_DISABLE;
dma_init_struct.periph_width = DMA_PERIPHERAL_WIDTH_16BIT;
dma_init_struct.priority = DMA_PRIORITY_ULTRA_HIGH;
dma_init(DMA_CH0, &dma_init_struct);
/* configure DMA mode */
dma_circulation_enable(DMA_CH0);
dma_memory_to_memory_disable(DMA_CH0);
/* enable DMA channel0 */
dma_channel_enable(DMA_CH0);
}
/**
***************************************************************************************************
* Adc_TrigTimerConfig - Initializes the ADC trigger timer.
*
*
*
* \param none
* \return none
* \retval none
* \seealso
* \usedresources
***************************************************************************************************
*/
void Adc_TrigTimerConfig(void)
{
timer_oc_parameter_struct timer_ocintpara;
timer_parameter_struct timer_initpara;
/* Enable timer clock */
rcu_periph_clock_enable(RCU_TIMER14);
/* Deinit a timer */
timer_deinit(TIMER14);
/* Initialize TIMER init parameter struct */
timer_struct_para_init(&timer_initpara);
/* Timer configuration */
timer_initpara.prescaler = 5;
timer_initpara.alignedmode = TIMER_COUNTER_EDGE;
timer_initpara.counterdirection = TIMER_COUNTER_UP;
timer_initpara.period = 399;
timer_initpara.clockdivision = TIMER_CKDIV_DIV1;
timer_initpara.repetitioncounter = 0;
timer_init(TIMER14, &timer_initpara);
/* CHx configuration in PWM mode1 */
timer_ocintpara.ocpolarity = TIMER_OC_POLARITY_LOW;
timer_ocintpara.outputstate = TIMER_CCX_ENABLE;
timer_channel_output_config(TIMER14, TIMER_CH_0, &timer_ocintpara);
timer_channel_output_pulse_value_config(TIMER14, TIMER_CH_0, 100);
timer_channel_output_mode_config(TIMER14, TIMER_CH_0, TIMER_OC_MODE_PWM1);
timer_channel_output_shadow_config(TIMER14, TIMER_CH_0, TIMER_OC_SHADOW_DISABLE);
/* Auto-reload preload enable */
timer_auto_reload_shadow_enable(TIMER14);
timer_primary_output_config(TIMER14, ENABLE);
}
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