86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
#include "DataScope_DP.h"
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unsigned char DataScope_OutPut_Buffer[42] = {0}; //串口发送缓冲区
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//函数说明：将单精度浮点数据转成4字节数据并存入指定地址
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//附加说明：用户无需直接操作此函数
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//target:目标单精度数据
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//buf:待写入数组
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//beg:指定从数组第几个元素开始写入
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//函数无返回
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void Float2Byte(float *target,unsigned char *buf,unsigned char beg)
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{
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unsigned char *point;
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point = (unsigned char*)target; //得到float的地址
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buf[beg] = point[0];
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buf[beg+1] = point[1];
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buf[beg+2] = point[2];
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buf[beg+3] = point[3];
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}
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//函数说明：将待发送通道的单精度浮点数据写入发送缓冲区
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//Data：通道数据
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//Channel：选择通道（1-10）
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//函数无返回
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void DataScope_Get_Channel_Data(float Data,unsigned char Channel)
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{
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if ( (Channel > 10) || (Channel == 0) ) return; //通道个数大于10或等于0，直接跳出，不执行函数
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else
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{
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switch (Channel)
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{
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case 1: Float2Byte(&Data,DataScope_OutPut_Buffer,1); break;
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case 2: Float2Byte(&Data,DataScope_OutPut_Buffer,5); break;
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case 3: Float2Byte(&Data,DataScope_OutPut_Buffer,9); break;
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case 4: Float2Byte(&Data,DataScope_OutPut_Buffer,13); break;
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case 5: Float2Byte(&Data,DataScope_OutPut_Buffer,17); break;
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case 6: Float2Byte(&Data,DataScope_OutPut_Buffer,21); break;
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case 7: Float2Byte(&Data,DataScope_OutPut_Buffer,25); break;
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case 8: Float2Byte(&Data,DataScope_OutPut_Buffer,29); break;
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case 9: Float2Byte(&Data,DataScope_OutPut_Buffer,33); break;
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case 10: Float2Byte(&Data,DataScope_OutPut_Buffer,37); break;
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}
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}
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}
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//函数说明：生成 DataScopeV1.0 能正确识别的帧格式
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//Channel_Number，需要发送的通道个数
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//返回发送缓冲区数据个数
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//返回0表示帧格式生成失败
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unsigned char DataScope_Data_Generate(unsigned char Channel_Number)
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{
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if ( (Channel_Number > 10) || (Channel_Number == 0) ) { return 0; } //通道个数大于10或等于0，直接跳出，不执行函数
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else
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{
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DataScope_OutPut_Buffer[0] = '$'; //帧头
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switch(Channel_Number)
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{
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case 1: DataScope_OutPut_Buffer[5] = 5; return 6;
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case 2: DataScope_OutPut_Buffer[9] = 9; return 10;
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case 3: DataScope_OutPut_Buffer[13] = 13; return 14;
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case 4: DataScope_OutPut_Buffer[17] = 17; return 18;
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case 5: DataScope_OutPut_Buffer[21] = 21; return 22;
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case 6: DataScope_OutPut_Buffer[25] = 25; return 26;
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case 7: DataScope_OutPut_Buffer[29] = 29; return 30;
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case 8: DataScope_OutPut_Buffer[33] = 33; return 34;
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case 9: DataScope_OutPut_Buffer[37] = 37; return 38;
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case 10: DataScope_OutPut_Buffer[41] = 41; return 42;
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}
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}
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return 0;
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}
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