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39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/*
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File name: I2C_Cyclone.h
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Function: Header file for the I2C Component
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History: 10/26/92 New for Cyclone (code was orginally from Touchstone Project.)
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*/
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/* globals */
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typedef struct I2CShadow
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{
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unsigned char gDMSDRec[25]; /* DMSD array */
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unsigned char gVDCRec[17]; /* VDC array */
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};
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typedef struct I2CShadow I2CShadow;
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typedef I2CShadow *I2CShadowPtr;
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typedef struct {
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ComponentInstance gSelf; /* Saved component instance */
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Handle gShadowHandle; /* Saved handle to shadow registers */
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I2CShadowPtr gShadowPtr; /* Pointer to the shadow registers */
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// unsigned char gDMSDRec[25]; /* DMSD array */
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// unsigned char gVDCRec[17]; /* VDC array */
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} I2CGlobals;
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/* i2c Interface */
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#define ki2cSelectors 4
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pascal ComponentResult tI2CRead(Handle storage, unsigned short slaveAddr, short byteCount, unsigned char *dataBuf);
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pascal ComponentResult tI2CWrite(Handle storage, unsigned short slaveAddr, short byteCount, unsigned char *dataBuf);
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pascal ComponentResult tI2CReadWithSubAddr(Handle storage, unsigned short slaveAddr, unsigned short subAddr, short byteCount, unsigned char *dataBuf);
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pascal ComponentResult tI2CWriteWithSubAddr(Handle storage, unsigned short slaveAddr, unsigned short subAddr, short byteCount, unsigned char *dataBuf);
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