DataScop_DP.c
#include "DataScop_DP.h"
unsigned char DataScope_OutPut_Buffer[42] = {0}; //串口发送缓冲区
//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
//附加说明：用户无需直接操作此函数
//target:目标单精度数据
//buf:待写入数组
//beg:指定从数组第几个元素开始写入
//函数无返回
void Float2Byte(float *target,unsigned char *buf,unsigned char beg)
{
unsigned char *point;
point = (unsigned char*)target; //得到float的地址
buf[beg] = point[0];
buf[beg+1] = point[1];
buf[beg+2] = point[2];
buf[beg+3] = point[3];
}
//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
//Data：通道数据
//Channel：选择通道（1-10）
//函数无返回
void DataScope_Get_Channel_Data(float Data,unsigned char Channel)
{
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
else
{
switch (Channel)
{
case 1: Float2Byte(&Data,DataScope_OutPut_Buffer,1); break;
case 2: Float2Byte(&Data,DataScope_OutPut_Buffer,5); break;
case 3: Float2Byte(&Data,DataScope_OutPut_Buffer,9); break;
case 4: Float2Byte(&Data,DataScope_OutPut_Buffer,13); break;
case 5: Float2Byte(&Data,DataScope_OutPut_Buffer,17); break;
case 6: Float2Byte(&Data,DataScope_OutPut_Buffer,21); break;
case 7: Float2Byte(&Data,DataScope_OutPut_Buffer,25); break;
case 8: Float2Byte(&Data,DataScope_OutPut_Buffer,29); break;
case 9: Float2Byte(&Data,DataScope_OutPut_Buffer,33); break;
case 10: Float2Byte(&Data,DataScope_OutPut_Buffer,37); break;
}
}
}
//函数说明：生成 DataScopeV1.0 能正确识别的帧格式
//Channel_Number，需要发送的通道个数
//返回发送缓冲区数据个数
//返回0表示帧格式生成失败
unsigned char DataScope_Data_Generate(unsigned char Channel_Number)
{
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
else
{
DataScope_OutPut_Buffer[0] = '; //帧头
switch(Channel_Number)
{
case 1: DataScope_OutPut_Buffer[5] = 5; return 6;
case 2: DataScope_OutPut_Buffer[9] = 9; return 10;
case 3: DataScope_OutPut_Buffer[13] = 13; return 14;
case 4: DataScope_OutPut_Buffer[17] = 17; return 18;
case 5: DataScope_OutPut_Buffer[21] = 21; return 22;
case 6: DataScope_OutPut_Buffer[25] = 25; return 26;
case 7: DataScope_OutPut_Buffer[29] = 29; return 30;
case 8: DataScope_OutPut_Buffer[33] = 33; return 34;
case 9: DataScope_OutPut_Buffer[37] = 37; return 38;
case 10: DataScope_OutPut_Buffer[41] = 41; return 42;
}
}
return 0;
}
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