120 lines
3.1 KiB
C
120 lines
3.1 KiB
C
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#include "led.h"
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#include "dap_main.h"
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#include "cdc_main.h"
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static void TIM3_Init(u16 arr, u16 psc)
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{
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TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
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NVIC_InitTypeDef NVIC_InitStructure;
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
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TIM_TimeBaseInitStructure.TIM_Period = arr;
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TIM_TimeBaseInitStructure.TIM_Prescaler = psc;
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TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
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TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
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TIM_TimeBaseInit(TIM3, &TIM_TimeBaseInitStructure);
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TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);
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NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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TIM_Cmd(TIM3, ENABLE);
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}
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void LED_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure = {0};
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AFIO->PCFR1 |= (1 << 26);
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_19;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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GPIO_WriteBit(GPIOA, GPIO_Pin_4, 0);
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GPIO_WriteBit(GPIOC, GPIO_Pin_19, 0);
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TIM3_Init(1000 - 1, 48 - 1);
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}
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static void LED_Task(void)
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{
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static uint32_t LED_Task_Cnt = 0;
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// static uint32_t DAP_In_Active_Cnt = 0;
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// static uint32_t CDC_In_Active_Cnt = 0;
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// if (DAP_Is_Active == 1)
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// DAP_In_Active_Cnt = 0;
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// else if (DAP_In_Active_Cnt < 500)
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// DAP_In_Active_Cnt++;
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// DAP_Is_Active = 0;
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//
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// if (DAP_In_Active_Cnt >= 500)
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// {
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// GPIOA->BCR = 1 << 4; // LED1
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// }
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// else
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// {
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extern volatile unsigned char dap_status;
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if (LED_Task_Cnt % 100 == 0)
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{
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if (dap_status == 1)
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{
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static char i = 0;
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GPIO_WriteBit(GPIOA, GPIO_Pin_4, i);
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// GPIO_WriteBit(GPIOC, GPIO_Pin_19, i);
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i = !i;
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}else{
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GPIO_WriteBit(GPIOA, GPIO_Pin_4, 1);
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}
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}
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if (LED_Task_Cnt % 1000 == 0)
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{
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static char i = 0;
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GPIO_WriteBit(GPIOC, GPIO_Pin_19, i);
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i = !i;
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}
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// }
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// if (CDC_Is_Active == 1)
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// CDC_In_Active_Cnt = 0;
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// else if (CDC_In_Active_Cnt < 500)
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// CDC_In_Active_Cnt++;
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// CDC_Is_Active = 0;
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// if (CDC_In_Active_Cnt >= 500)
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// {
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// GPIOC->BCR = 1 << 3; // LED2
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// }
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// else
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// {
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// if (LED_Task_Cnt % 100 == 0)
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// {
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// GPIO_WriteBit(GPIOA, GPIO_Pin_4, i);
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// }
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// }
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LED_Task_Cnt++;
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}
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void TIM3_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
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void TIM3_IRQHandler(void)
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{
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if (TIM_GetITStatus(TIM3, TIM_IT_Update) == SET)
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{
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TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
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LED_Task();
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}
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}
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