📄 mxc62020m.c
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GPIO_InitIO(OUTPUT,SDA_LINE);
GPIO_WriteIO(Low,SCL_LINE);
GPIO_WriteIO(Low,SDA_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(High,SDA_LINE);
Short_Nop();
MXC6202G_Return_Value=0xFF04; //Just For Debugging,0xFF01 means the Slave Address has been written successfully
return MXC6202G_Return_Value ;
}
GPIO_WriteIO(Low,SCL_LINE);
GPIO_InitIO(OUTPUT,SDA_LINE);
Short_Nop();
//From the data_index register to read.
//
BitMask=0x80;
SLAddr=data_index; //
for(i=0;i<8;i++)
{
if(SLAddr&BitMask)
{
GPIO_WriteIO(High,SDA_LINE);
}else
{
GPIO_WriteIO(Low,SDA_LINE);
}
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
BitMask>>=1;
}
//Receiving the ACK from MXC6202G
GPIO_WriteIO(High,SDA_LINE); //Release the SDA Line
GPIO_WriteIO(High,SCL_LINE);
GPIO_InitIO(INPUT,SDA_LINE);
Short_Nop();
if(GPIO_ReadIO(SDA_LINE))
{
GPIO_InitIO(OUTPUT,SDA_LINE);
GPIO_WriteIO(Low,SCL_LINE);
GPIO_WriteIO(Low,SDA_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(High,SDA_LINE);
Short_Nop();
MXC6202G_Return_Value=0xFF05; //Just For Debugging,0xFF01 means the Slave Address has been written successfully
return MXC6202G_Return_Value;
}
GPIO_WriteIO(Low,SCL_LINE);
GPIO_InitIO(OUTPUT,SDA_LINE);
//Stop
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
GPIO_WriteIO(Low,SDA_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(High,SDA_LINE);
Short_Nop();
//There is some different from the datasheet.
//Start Condition
GPIO_WriteIO(High,SDA_LINE);
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(Low,SDA_LINE);
Short_Nop();
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
//Read Operation.
BitMask=0x80;
SLAddr=0x21;
for(i=0;i<8;i++)
{
if(SLAddr&BitMask)
{
GPIO_WriteIO(High,SDA_LINE);
}else
{
GPIO_WriteIO(Low,SDA_LINE);
}
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
BitMask>>=1;
}
//Receiving the ACK from MXC6202G
GPIO_WriteIO(High,SDA_LINE); //Release the SDA Line
GPIO_WriteIO(High,SCL_LINE);
GPIO_InitIO(INPUT,SDA_LINE);
Short_Nop();
if(GPIO_ReadIO(SDA_LINE))
{
GPIO_InitIO(OUTPUT,SDA_LINE);
GPIO_WriteIO(Low,SCL_LINE);
GPIO_WriteIO(Low,SDA_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(High,SDA_LINE);
Short_Nop();
MXC6202G_Return_Value=0xFF06; //Just For Debugging,0xFF01 means the Slave Address has been written successfully
return MXC6202G_Return_Value;
}
GPIO_WriteIO(Low,SCL_LINE);
GPIO_InitIO(INPUT,SDA_LINE);
GPIO_WriteIO(High,SDA_LINE); //Release the SDA LINE
Short_Nop();
//Receiving the two bytes data
RcvData=0x0;
BitMask=0x1;
SLAddr=0x0;
for(i=0;i<8;i++)
{
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
if(GPIO_ReadIO(SDA_LINE))
SLAddr|=BitMask;
else
SLAddr|=0x0;
if(i<7)
SLAddr<<=1;
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
}
//Send the ACK
GPIO_InitIO(OUTPUT,SDA_LINE);
GPIO_WriteIO(Low,SDA_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
GPIO_InitIO(INPUT,SDA_LINE);
GPIO_WriteIO(High,SDA_LINE); //Release the SDA LINE
RcvData=SLAddr;
RcvData<<=8;
//The Second Bytes
BitMask=0x1;
SLAddr=0x0;
for(i=0;i<8;i++)
{
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
if(GPIO_ReadIO(SDA_LINE))
SLAddr|=BitMask;
else
SLAddr|=0x0;
if(i<7)
SLAddr<<=1;
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
}
//Send NACK
GPIO_InitIO(OUTPUT,SDA_LINE);
GPIO_WriteIO(High,SDA_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
//Stop
Short_Nop();
GPIO_WriteIO(Low,SCL_LINE);
GPIO_WriteIO(Low,SDA_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(High,SDA_LINE);
Short_Nop();
RcvData|=SLAddr;
return RcvData;
}
/*******************************************************************************
*
* kal_bool MXC62020M_ModeSetup(unsigned char Mode,unsigned char XData)
*
* Description:
*
* This Function will be used to Setup the Operation of the MXC62020M's Mode
*
*INPUT:
* Mode---0 means MXC62020M will output XAxis Data and YAxis Data
* Mode---1 means MXC62020M will output Temperature and YAxis Data.
* XData--0 means the upper application will get the XAxis Data
* XData--1 means the Upper applicaiton will get the YAxis Data
*******************************************************************************/
/*******************************************************************************
*
* kal_bool MXC62020M_ModeSetup(unsigned char *Mode)
*
* Description:
*
* This Function will be used to Setup the Operation of the MXC62020M's Mode
*INPUT:
* 0 means MXC62020M will output XAxis Data and YAxis Data
* 1 means MXC62020M will output Temperature and YAxis Data.
*******************************************************************************/
kal_bool MXC62020M_ModeSetup(unsigned char Mode,unsigned char XData)
{
unsigned char BitMask,SLAddr,i;
if(Mode==0x0)
{
ModeBit=0x0; //means the XAxis & YAxis Data will be valided.
}else if(Mode==0x1)
{
ModeBit=0x1; //means the Temperature & YAxis data will be valided.
}else
{
ModeBit=0x0;
return KAL_FALSE;
}
//Start Condition
GPIO_WriteIO(High,SDA_LINE);
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(Low,SDA_LINE);
Short_Nop();
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
//Slave Address
SLAddr=0x20;
BitMask=0x80;
for(i=0;i<8;i++)
{
if(SLAddr&BitMask)
GPIO_WriteIO(High,SDA_LINE);
else
GPIO_WriteIO(Low,SDA_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
BitMask>>=1;
}
GPIO_WriteIO(High,SDA_LINE);//Release the SDA LINE
GPIO_InitIO(INPUT,SDA_LINE);
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
if(GPIO_ReadIO(SDA_LINE))
{
GPIO_InitIO(OUTPUT,SDA_LINE);
GPIO_WriteIO(Low,SDA_LINE);
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(High,SDA_LINE);
Short_Nop();
return KAL_FALSE;
}
GPIO_WriteIO(Low,SCL_LINE);
GPIO_InitIO(OUTPUT,SDA_LINE);
//The First Internal Register
//SLAddr=0x00
Short_Nop();
for(i=0;i<8;i++)
{
GPIO_WriteIO(Low,SDA_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
}
GPIO_WriteIO(High,SDA_LINE);
GPIO_WriteIO(High,SCL_LINE);
GPIO_InitIO(INPUT,SDA_LINE);
Short_Nop();
if(GPIO_ReadIO(SDA_LINE))
{
GPIO_InitIO(OUTPUT,SDA_LINE);
GPIO_WriteIO(Low,SDA_LINE);
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(High,SDA_LINE);
Short_Nop();
return KAL_FALSE;
}
GPIO_InitIO(OUTPUT,SDA_LINE);
GPIO_WriteIO(Low,SCL_LINE);
//The Mode data
Short_Nop();
SLAddr=Mode;
BitMask=0x80;
for(i=0;i<8;i++)
{
if(SLAddr&BitMask)
GPIO_WriteIO(High,SDA_LINE);
else
GPIO_WriteIO(Low,SDA_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
BitMask>>=1;
}
GPIO_WriteIO(High,SDA_LINE);//Release the SDA LINE
GPIO_WriteIO(High,SCL_LINE);
GPIO_InitIO(INPUT,SDA_LINE);
Short_Nop();
if(GPIO_ReadIO(SDA_LINE))
{
GPIO_InitIO(OUTPUT,SDA_LINE);
GPIO_WriteIO(Low,SDA_LINE);
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(High,SDA_LINE);
Short_Nop();
return KAL_FALSE;
}
GPIO_InitIO(OUTPUT,SDA_LINE);
GPIO_WriteIO(Low,SCL_LINE);
Short_Nop();
//Stop Condition
GPIO_WriteIO(Low,SDA_LINE);
Short_Nop();
GPIO_WriteIO(High,SCL_LINE);
Short_Nop();
GPIO_WriteIO(High,SDA_LINE);
Short_Nop();
return KAL_TRUE;
}
/********************************************************************
* kal_bool WRData_Set(unsigned char XXX_Data)
*
*Description:
*
* This functill be used by upper application to set which data should be
* read and sent to the upper applicaiton
*
* XXX_Data=0x0 means the message will send the XAxis data to the upper app.
* XXX_Data=0x1 means the Message will send the YAxis Data to the upper app.
*
********************************************************************/
kal_bool WRData_Set(unsigned char XXX_Data)
{
if(XXX_Data==0x0)
XX_Data=0x0; //means the message will send the XAxis data to the upper app.
else if (XXX_Data==0x1)
XX_Data=0x1; //means the message will send the YAxis data to the upper app.
else
{
XX_Data=0x0;
return KAL_FALSE;
}
return KAL_TRUE;
}
/********************************************************************
*
* void MXC62020M_TimeOutHandler(void *parameter)
*
*Description:
* This function will be executed when the MXC62020M timer out.
*
* The ModeBit will be selected by the customer.
*
*
* ModeBit=0x0---The XAxis Data will be read and sent to the Upper APPlication
* ModeBit=0x1---The YAxis Data will be read and sent to the upper applicaitoin
* ModeBit=0x2---The Temperature will be read and sent to the upper application.
* ModeBit=0x3---
********************************************************************/
void MXC62020M_TimeOutHandler(void *parameter)
{
if(ModeBit==0) //setting the XAxis data and YAxis data
{
if(XX_Data)
Temp_Data=MXC62020M_ReadData(0x1); //Reading the XAxis Data
else
Temp_Data=MXC62020M_ReadData(0x3);//Reading the YAxis Data
}
if(ModeBit==0x1)
{
if(XX_Data)
Temp_Data=MXC62020M_ReadData(0x1); //Reading the Temperature Data
else
Temp_Data=MXC62020M_ReadData(0x3); //Reading the YAxis Data
}
Filter_Count++;
if(Filter_Count<5)
{
XAxis_Data+=Temp_Data;
}else
{
Filter_Count=0x0;
XAxis_Data=(XAxis_Data/5);
//mmi_fmrdo_set_frequency(XAxis_Data);
}
//Restart the GPTI Handler for MXC62020M
GPTI_StartItem(IIC_OBT.gpthandle,IIC_OBT.timeout,MXC62020M_TimeOutHandler,NULL);
}
/*******************************************************************************/
//End of the Code for Communication with MXC6202G
#endif //MXC62020M_MACRO_DEFINE⌨️ 快捷键说明
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