48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
#ifndef __IOUSART_H_
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#define __IOUSART_H_
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#include "stm32f4xx_hal.h"
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#include "gpio.h"
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//#include "sys.h"
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//#include "delay.h"
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//定义通信波特率
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#define BaudRate_9600 104 //1000000us/9600=104.1666 发送1个位所需要的时间
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//GPIO TX脚宏定义
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#define iouart1_TXD(n) if(n) HAL_GPIO_WritePin(IO_TX_GPIO_Port, IO_TX_Pin, GPIO_PIN_SET); \
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else HAL_GPIO_WritePin(IO_TX_GPIO_Port, IO_TX_Pin, GPIO_PIN_RESET);
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//GPIO RX脚宏定义
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#define iouart1_RXD() HAL_GPIO_ReadPin(IO_RX_GPIO_Port, IO_RX_Pin)
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#define SUartLength 1024 //模拟串口缓冲区长度
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enum{
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COM_START_BIT,
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COM_D0_BIT,
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COM_D1_BIT,
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COM_D2_BIT,
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COM_D3_BIT,
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COM_D4_BIT,
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COM_D5_BIT,
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COM_D6_BIT,
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COM_D7_BIT,
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COM_STOP_BIT,
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};
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void iouart1_delayUs(volatile uint32_t nTime);
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void iouart1_delayUs_104(void);
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void S_Uart_Send_Buff(uint8_t *buff,uint8_t length);
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void S_Uart_Send_Str(uint8_t *str);
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void S_Uart_One_Tx(uint8_t Data);
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uint8_t S_Uart_Rx_Handler(uint8_t *buf,uint8_t *length);
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void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin);
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void iousart_tim_cb(void);
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void SendChar(uint8_t t);
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#endif /* __IOUSART_H_ */
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