31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
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#ifndef __UART_H
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#define __UART_H
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#include "main.h"
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#define UART1_RX_BUF_SIZE 64
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#define UART2_RX_BUF_SIZE 64
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extern UART_HandleTypeDef huart1;
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extern UART_HandleTypeDef huart2; /* RS485 喂料秤 */
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extern UART_HandleTypeDef huart3; /* 4G Air780E */
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extern volatile uint8_t uart1_rx_ready;
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extern uint8_t uart1_rx_buf[UART1_RX_BUF_SIZE];
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extern volatile uint8_t uart2_rx_ready;
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extern uint8_t uart2_rx_buf[UART2_RX_BUF_SIZE];
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void MX_USART1_UART_Init(void);
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void MX_USART2_UART_Init(void);
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void MX_USART3_UART_Init(void);
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void USART3_StartRx(void); /* 启动 USART3 DMA+IDLE 接收 */
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void USART3_SetBaudRate(uint32_t baud); /* 运行中切换 USART3 波特率 */
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void USART1_StartRx(void); /* 启动 USART1 中断接收 */
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void USART2_StartRx(void); /* 启动 USART2 中断接收 */
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void USART2_Tick(void); /* 触发 USART2 帧超时自动提交 */
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uint16_t USART2_GetFrame(uint8_t *out, uint16_t out_size); /* 从 USART2 取一帧原始字节 */
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int USART1_CheckCommand(const char *cmd); /* 检查是否收到指定命令（不区分大小写） */
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const char *USART1_GetCommand(void); /* 获取当前接收到的命令字符串 */
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#endif
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