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I2CMasterSlaveAddrSet(I2C_BASE,ID,false); //查询忙与错误 while(I2CMasterBusBusy(I2C_BASE)); I2CMasterDataPut(I2C_BASE,REG_ADDR); I2CMasterControl(I2C_BASE,I2C_MASTER_CMD_SINGLE_SEND); while(I2CMasterBusy(I2C_BASE)); I2CMasterSlaveAddrSet(I2C_BASE,ID,true); I2CMasterControl(I2C_BASE,I2C_MASTER_CMD_SINGLE_RECEIVE); while(I2CMasterBusy(I2C_BASE)); switch(I2CMasterErr(I2C_BASE)) { case I2C_MASTER_ERR_NONE: { // //I2CMasterControl(I2C_BASE,I2C_MASTER_CMD_SINGLE_RECEIVE); //while(I2CMasterBusy(I2C_BASE)); DATA = I2CMasterDataGet(I2C_BASE);
return DATA; };break; case I2C_MASTER_ERR_ADDR_ACK:XX7299A_I2CRead(I2C_BASE,REG_ADDR,ID);break; case I2C_MASTER_ERR_DATA_ACK:XX7299A_I2CRead(I2C_BASE,REG_ADDR,ID);break; case I2C_MASTER_ERR_ARB_LOST:XX7299A_I2CRead(I2C_BASE,REG_ADDR,ID);break; default:return 100; }
