80 lines
3.4 KiB
C
80 lines
3.4 KiB
C
#include "../main/SystemInclude.h"
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//##############################################################################
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#ifndef ENABLE_USE_MCP9808
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#pragma message("[undefined] ENABLE_USE_MCP9808")
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#elif(ENABLE_USE_MCP9808)
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//##############################################################################
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/******************************************************************************/
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void WriteWordRegister(u8 regBuf, u16 regData)
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{
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//I2C_Init();
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SI2C_Start(); // send START command
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SI2C_Write(MCP_ADR); //WRITE Command (see Section 4.1.4 ¡°Address Byte¡±)
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//also, make sure bit 0 is cleared ¡®0¡¯
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SI2C_Write(regBuf); // Write CONFIG Register
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SI2C_Write(regData>>8); // Write data
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SI2C_Write(regData); // Write data
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SI2C_Stop(); // send STOP command
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}
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/******************************************************************************/
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u16 ReadWordRegister(u8 regBuf)
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{
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TypeWord tempInt;
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//I2C_Init();
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SI2C_Start(); // send START command
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SI2C_Write(MCP_ADR); //WRITE Command (see Section 4.1.4 ¡°Address Byte¡±)
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//also, make sure bit 0 is cleared ¡®0¡¯
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SI2C_Write(regBuf); // Write CONFIG Register
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SI2C_Start(); // send Repeat START command
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SI2C_Write(MCP_ADR | 0x01); //READ Command
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//also, make sure bit 0 is set ¡®1¡¯
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tempInt.Byte[1] = SI2C_Read(); // READ 8 bits
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SI2C_Ack();
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tempInt.Byte[0] = SI2C_Read(); // READ 8 bits
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SI2C_NoAck();
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SI2C_Stop(); // send STOP command
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return tempInt.Word;
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}
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/******************************************************************************/
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void WriteByteRegister(u8 regBuf, u8 regData)
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{
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//I2C_Init();
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SI2C_Start(); // send START command
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SI2C_Write(MCP_ADR); //WRITE Command (see Section 4.1.4 ¡°Address Byte¡±)
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//also, make sure bit 0 is cleared ¡®0¡¯
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SI2C_Write(regBuf); // Write CONFIG Register
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SI2C_Write(regData); // Write data
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SI2C_Stop(); // send STOP command
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}
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/******************************************************************************/
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u16 ReadByteRegister(u8 regBuf)
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{
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u8 temp;
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//I2C_Init();
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SI2C_Start(); // send START command
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SI2C_Write(MCP_ADR); //WRITE Command (see Section 4.1.4 ¡°Address Byte¡±)
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//also, make sure bit 0 is cleared ¡®0¡¯
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SI2C_Write(regBuf); // Write CONFIG Register
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SI2C_Start(); // send Repeat START command
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SI2C_Write(MCP_ADR | 0x01); //READ Command
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//also, make sure bit 0 is set ¡®1¡¯
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temp = SI2C_Read(); // READ 8 bits
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SI2C_NoAck();
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SI2C_Stop(); // send STOP command
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return temp;
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}
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//##############################################################################
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#endif
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//##############################################################################
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