28 lines
823 B
C
28 lines
823 B
C
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#ifndef __TWI_MODULE_H
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#define __TWI_MODULE_H
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#define TWI_Hardware_Module
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#ifdef TWI_Hardware_Module
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#define TWI_FREQ_KHz 100 //(KHz) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>10-400KHzͨѶƵ<D1B6><C6B5>
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#define TWIBR1 (24000/TWI_FREQ_KHz -16)/2
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#define TWIBR2 (24000/TWI_FREQ_KHz -16)/8
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#define TWIBR3 (24000/TWI_FREQ_KHz -16)/32
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#define TWIBR4 (24000/TWI_FREQ_KHz -16)/128
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#define TWI_ADDR_1B 0
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#define TWI_ADDR_2B 1
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#define TWI_CRC_NO 0
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#define TWI_CRC_YES 1
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//#define AFE_CHIP_ID (0x1B<<1) //AFE_ID
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#define HTimeoutChk() TWITOUT |= 0xc0; TWISTA |=0x01; TWICON |=0X01;
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extern U8 CRC8cal(U8 *p, U8 counter);
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extern BOOL TwiWrite(U8 SlaveID, U16 WrAddr, U8 AddrType, U8 Length, U8 CrcFlg, U8 xdata *WrBuf);
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extern BOOL TwiRead(U8 SlaveID, U16 RdAddr, U8 AddrType, U8 Length, U8 CrcFlg, U8 xdata *RdBuf);
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extern void TwiInit(void);
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#endif
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#endif
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