42 lines
1.7 KiB
C
42 lines
1.7 KiB
C
#ifndef BSP_RC_H
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#define BSP_RC_H
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#include "struct_typedef.h"
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#include "main.h"
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#define DEVICE_USART_CNT 3 // C板至多分配3个串口
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#define USART_RXBUFF_LIMIT 128 // if your protocol needs bigger buff, modify here
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/* application callback,which resolves specific protocol,解析协议的回调函数 */
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typedef void (*usart_module_callback)();
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/* usart_instance struct,each app would have one instance */
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typedef struct
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{
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uint8_t recv_buff[USART_RXBUFF_LIMIT]; // 预先定义的最大buff大小,如果太小请修改USART_RXBUFF_LIMIT
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uint8_t recv_buff_size; // 模块接收一包数据的大小
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UART_HandleTypeDef *usart_handle; // 实例对应的usart_handle
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usart_module_callback module_callback; // 解析收到的数据的回调函数
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} usart_instance;
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/**
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* @brief 注册一个串口实例.
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*
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* @param _instance 传入一个由module拥有的串口实例,注意在传入前进行基本信息的配置,详见usart_instance的struct定义
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*/
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void USARTRegister(usart_instance *_instance);
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/**
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* @todo 是否需要进一步封装发送buff和size,并创建一个串口任务以一定频率自动发送?
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* 若采用此方法,则串口实例的拥有者仅需要在自己的任务中设置发送值,不需要关心发送buffer大小以及何时发送.
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*
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* @brief api for sending data through a specific serial port,indicated by the first parameter:id
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* 通过调用该函数可以发送一帧数据,需要传入一个usart实例,发送buff以及这一帧的长度
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*
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* @param id specify which usart would be used
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* @param send_size how many bytes to send
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*/
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void USARTSend(usart_instance *_instance, uint8_t *send_buf, uint16_t send_size);
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#endif
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