76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
#include "hart.h"
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uint8_t hart_rxbit = 0;
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uint8_t usart4_rxbit = 0;
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uint8_t hart_rxbuffer[MAX_BUF_SIZE];
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uint8_t hart_txbuffer[MAX_BUF_SIZE];
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uint8_t array[3] = {11,22,33};
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int hart_rxcnt = 0;
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int usart4_rxcnt = 0;
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int hart_timcnt = 0;
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int hart_timerflag = 0;
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int hart_rxsize = 0;
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int usart4_rxsize = 0;
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int rx_flag = 0;
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int tx_flag = 0;
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void hart_init(void)
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{
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HAL_GPIO_WritePin(HART_RST_GPIO_Port,HART_RST_Pin,GPIO_PIN_RESET);
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HAL_Delay(100);
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HAL_GPIO_WritePin(HART_RST_GPIO_Port,HART_RST_Pin,GPIO_PIN_SET);
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HAL_UART_Receive_IT(&huart4, (uint8_t *)&usart4_rxbit, 1);
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HAL_UART_Receive_IT(&huart2, (uint8_t *)&hart_rxbit, 1);
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__HAL_TIM_CLEAR_FLAG(&htim10, TIM_FLAG_UPDATE); //手动添加
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//HAL_TIM_Base_Start_IT(&htim10);
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}
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void usart2_rx_cb(void)
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{
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hart_rxbuffer[0] = hart_rxbit;
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HAL_UART_Transmit_DMA(&huart4,hart_rxbuffer,1);
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ch395_send_data(CH395Q_SOCKET_5, hart_rxbuffer, 1);
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HAL_UART_Receive_IT(&huart2, (uint8_t *)&hart_rxbit, 1);
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}
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void usart4_rx_cb(void)
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{
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if(usart4_rxcnt >= MAX_BUF_SIZE-1) //接收数据量超限，错误
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{
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usart4_rxcnt = 0;
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memset(hart_txbuffer, 0x00, sizeof(&hart_txbuffer));
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HAL_UART_Transmit(&huart4, (uint8_t *)"数据溢出", 10, 0xFFFF);
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}
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else //接收正常
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{
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hart_txbuffer[usart4_rxcnt++] = usart4_rxbit; //接收数据存储到hart_txbuffer
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HAL_TIM_Base_Stop_IT(&htim10);
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__HAL_TIM_SET_COUNTER(&htim10, 0);
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HAL_TIM_Base_Start_IT(&htim10); //将定时器10的计数值清零后重新计数
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rx_flag = 0;
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}
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HAL_UART_Receive_IT(&huart4, &usart4_rxbit, 1);
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}
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void hart_tim_cb(void)
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{
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__HAL_TIM_CLEAR_FLAG(&htim10, TIM_FLAG_UPDATE); //产生中断证明超过2ms没有接收到数据了，一帧接收完成
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HAL_TIM_Base_Stop_IT(&htim10); //中断之后停止定时器，开启在下一次接收到数据开始
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usart4_rxsize = usart4_rxcnt;
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usart4_rxcnt = 0;
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usart2_send(hart_txbuffer,usart4_rxsize);
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if(usart4_rxsize > 5)
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{
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rx_flag = 1;
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}
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}
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