nvram.c

LCD OSD 程序用於8051 開發lcd

#include "types.h"
#include "i2cdef.h"
#include "i2c.h"

#define NVRAM_DEVICE	0xA0


void NVRam_WriteByte(WORD addr, BYTE value)
{ i2c_WriteTBL(NVRAM_DEVICE, addr, &value, 1);
}
void NVRam_WriteWord(WORD addr, WORD value)
{ i2c_WriteTBL(NVRAM_DEVICE, addr, (BYTE*)&value, 2);
}
void NVRam_ReadByte(WORD addr, BYTE *value)
{ i2c_ReadTBL(NVRAM_DEVICE,    addr, value, 1);
}
void NVRam_WriteTbl(WORD addr, BYTE *buffer, BYTE count)
{ i2c_WriteTBL(NVRAM_DEVICE, addr, buffer, count);
}
void NVRam_ReadTbl(WORD addr, BYTE *buffer, BYTE count)
{ i2c_ReadTBL(NVRAM_DEVICE, addr, buffer, count);
}
#if 0
void Device_WriteByte(BYTE deviceAddr, WORD addr, BYTE value)
{ i2c_WriteTBL(NVRAM_DEVICE, addr, &value, 1);
}
void Device_ReadByte(BYTE deviceAddr,WORD addr, BYTE *value)
{ i2c_ReadTBL(deviceAddr,   addr, value, 1);
}
#endif