#include "timer.h" #include "gd32e230_timer.h" #include "adc.h" static void ConfigTimer14(unsigned short arr, unsigned short psc) { timer_parameter_struct timer_initpara; //timer_initpara用于存放定时器的参数 //使能RCU相关时钟 rcu_periph_clock_enable(RCU_TIMER14); //使能TIMER14的时钟 timer_deinit(TIMER14); //设置TIMER14参数恢复默认值 timer_struct_para_init(&timer_initpara); //初始化timer_initpara //配置TIMER14 timer_initpara.prescaler = psc; //设置预分频器值 timer_initpara.counterdirection = TIMER_COUNTER_UP; //设置向上计数模式 timer_initpara.period = arr; //设置自动重装载值 timer_initpara.clockdivision = TIMER_CKDIV_DIV1; //设置时钟分割 timer_init(TIMER14, &timer_initpara); //根据参数初始化定时器 timer_interrupt_enable(TIMER14, TIMER_INT_UP); //使能定时器的更新中断 nvic_irq_enable(TIMER14_IRQn, 0); //配置NVIC设置优先级 timer_disable(TIMER14); //使能定时器 } static void ConfigTimer15(unsigned short arr, unsigned short psc) { timer_parameter_struct timer_initpara; //timer_initpara用于存放定时器的参数 //使能RCU相关时钟 rcu_periph_clock_enable(RCU_TIMER15); //使能TIMER15的时钟 timer_deinit(TIMER15); //设置TIMER15参数恢复默认值 timer_struct_para_init(&timer_initpara); //初始化timer_initpara //配置TIMER15 timer_initpara.prescaler = psc; //设置预分频器值 timer_initpara.counterdirection = TIMER_COUNTER_UP; //设置向上计数模式 timer_initpara.period = arr; //设置自动重装载值 timer_initpara.clockdivision = TIMER_CKDIV_DIV1; //设置时钟分割 timer_init(TIMER15, &timer_initpara); //根据参数初始化定时器 timer_interrupt_enable(TIMER15, TIMER_INT_UP); //使能定时器的更新中断 nvic_irq_enable(TIMER15_IRQn, 3); //配置NVIC设置优先级 timer_enable(TIMER15); //使能定时器 } void InitTimer(void) { ConfigTimer14(39, 71); //100ns ConfigTimer15(9999, 7199); //1s } void ADC_TimerEnable(void) { timer_enable(TIMER14); } void ADC_TimerDisable(void) { timer_disable(TIMER14); } extern uint8_t flash_led; extern uint8_t read_flag; extern uint16_t adc_original_value[4]; uint8_t flag_read_v_or_c = 0; uint16_t data_s[500]; uint16_t data_i[500]; uint8_t read_complete = 0; static int index = 0; uint32_t a,b,c,d; uint16_t count_v = 0; uint16_t count_i = 0; void TIMER14_IRQHandler(void) { if(timer_interrupt_flag_get(TIMER14, TIMER_INT_FLAG_UP) == SET) //判断定时器更新中断是否发生 { timer_interrupt_flag_clear(TIMER14, TIMER_INT_FLAG_UP); //清除定时器更新中断标志 } a= adc_original_value[0]; b= adc_original_value[1]; c= adc_original_value[2]; d= adc_original_value[3]; if(a > b) { data_s[index] = a-b; count_v++; }else { data_s[index] = 0; } if(c > d) { data_i[index] = c-d; count_i++; }else { data_i[index] = 0; } index ++; if(index >= 500) { index = 0; read_complete = 1; ADC_TimerDisable(); } } void TIMER15_IRQHandler(void) { if(timer_interrupt_flag_get(TIMER15, TIMER_INT_FLAG_UP) == SET) //判断定时器更新中断是否发生 { timer_interrupt_flag_clear(TIMER15, TIMER_INT_FLAG_UP); //清除定时器更新中断标志 } flash_led = 1; }