36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
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/*
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* @Descripttion:
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* @version:
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* @Author: Chenfu
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* @Date: 2022-12-05 12:39:07
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* @LastEditTime: 2022-12-05 14:15:53
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*/
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#include "vofa.h"
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#include "usbd_cdc_if.h"
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/*VOFA浮点协议*/
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void vofa_justfloat_output(float *data, uint8_t num , UART_HandleTypeDef *huart )
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{
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static uint8_t i = 0;
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send_float temp[num]; //定义缓冲区数组
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uint8_t send_data[4 * num + 4]; //定义通过串口传出去的数组，数量是所传数据的字节数加上4个字节的尾巴
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for (i = 0; i < num; i++)
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{
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temp[i].float_t = data[i]; //将所传数据移到缓冲区数组
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}
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for (i = 0; i < num; i++)
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{
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send_data[4 * i] = temp[i].uint8_t[0];
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send_data[4 * i + 1] = temp[i].uint8_t[1];
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send_data[4 * i + 2] = temp[i].uint8_t[2];
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send_data[4 * i + 3] = temp[i].uint8_t[3]; //将缓冲区数组内的浮点型数据转成4个字节的无符号整型，之后传到要通过串口传出的数组里
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}
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send_data[4 * num] = 0x00;
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send_data[4 * num + 1] = 0x00;
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send_data[4 * num + 2] = 0x80;
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send_data[4 * num + 3] = 0x7f; //加上协议要求的4个尾巴
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HAL_UART_Transmit(huart, (uint8_t *)send_data, 4 * num + 4, 100);
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//CDC_Transmit_FS((uint8_t *)send_data,4 * num + 4);
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}
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