mirror of
https://gitee.com/dlmu-cone/bf_original_balance_chassis
synced 2026-07-24 03:27:45 +08:00
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
#include "HC05.h"
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#include "bsp_usart.h"
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#define HC05_BUFFERSIZE HC05_DATASIZE+2 // HC05发送和接收数据buffer大小，不得大于256
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#define FRAME_HEAD 0XAA // 帧头
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#define FRAME_END 0X55 // 帧尾
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static HC05 hc05_msg; // HC05通信数据
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static USARTInstance *hc05_usart_instance; // HC05串口通信实例
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static uint8_t hc05_init_flag = 0; // HC05初始化标志位
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// *hc05_usart_instance串口回调函数
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static void HC05RxCallback()
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{
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uint8_t *rxbuff;
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rxbuff = hc05_usart_instance->recv_buff;
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// 帧头帧尾判断
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if(rxbuff[0] == FRAME_HEAD && rxbuff[HC05_BUFFERSIZE - 1] == FRAME_END)
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{
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for(int i = 0; i < HC05_DATASIZE; i++)
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hc05_msg.recv_data[i] = (uint8_t)rxbuff[i+1];
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}
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return;
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}
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// HC05串口接收初始化
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HC05 *HC05Init(UART_HandleTypeDef *hc05_usart_handle)
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{
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USART_Init_Config_s conf;
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conf.module_callback = HC05RxCallback;
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conf.usart_handle = hc05_usart_handle;
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conf.recv_buff_size = HC05_BUFFERSIZE;
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hc05_usart_instance = USARTRegister(&conf);
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hc05_init_flag = 1;
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return (HC05*)&hc05_msg;
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}
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// HC05串口发送函数，一次最多发送HC05_DATASIZE个数据
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void HC05_SendData(uint8_t *data, uint8_t data_num)
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{
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// 发送数据中加入帧头和帧尾
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hc05_msg.send_data[0] = FRAME_HEAD;
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for (int i = 0; i < data_num; i++)
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hc05_msg.send_data[i+1] = data[i];
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hc05_msg.send_data[HC05_BUFFERSIZE - 1] = FRAME_END;
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// 发送数据
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USARTSend(hc05_usart_instance, hc05_msg.send_data, data_num+2, USART_TRANSFER_IT);
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} |