mlx90614命令地址.doc

./*mlx90614*/commandmode命令模式/*RAM*/#defineRamAccess 0x00/对RAM操作#defineEepomAccess0x20/对EEPRAM操作#defineMode 0x60/进入命令模式#defineExitMode0x61/退出命令模式#defineReadFlag0xf0/读标志#defineEnterSleep0xff/进入睡眠模式/ramaddress readonlyRAM地址（只读）#defineAbmientTempAddr0x03/周围温度#defineIR1Addr0x04#defineIR2Addr0x05#defineLineAbmientTempAddr0x06/环境温度/*0x00000x4074165000.01/单元-40125*/#define LineObj1TempAddr 0x07/目标温度,红外温度/*0x27ad-0x7fff0x3559226100.02/单元-70.01-382.190.01452.2*/*EEPROM*/#defineLineObj2TempAddr 0x08 /eepomaddressEEPROM地址#defineTObjMaxAddr0x00/测量范围上限设定#defineTObjMinAddr 0x01/测量范围下限设定#definePWMCtrlAddr 0x02/PWM设定#defineTaRangeAddr 0x03/环境温度设定#defineKeAddr 0x04/频率修正系数#defineConfigAddr 0x05/配置寄存器#defineSMbusAddr 0x0e/器件地址设定#defineReserverd1Addr0x0f/保留#defineReserverd2Addr0x19/保留#defineID1Addr0x1c/ID地址1#defineID2Addr0x1d/ID地址2#defineID3Addr0x1e/ID地址3#defineID4Addr0x1f/ID地址4/*=函数声明=*/voidstart();/MLX90614发起始位子程序voidstop();/MLX90614发结束位子程序ucharReadByte(void);/MLX90614接收字节子程序voidsend_bit(void);/MLX90614发送位子程序/*=启动信号=*/voidstart(void)/停止条件是SCK=1时，SDA由1到0SDA=1;delay(4);SCK=1;delay(4);SDA=0;delay(4);SCK=0;delay(4);/*=停止信号=*/voidstop(void)/停止条件是SCK=1时，SDA由0到1SCK=0;delay(4);SDA=0;delay(4);SCK=1;delay(4);SDA=1;/*=发送一个字节=*/voidSendByte(ucharnumber)uchari,n,dat;n=Nack_number;/可以重发次数Send_again:/goto 语句标识符dat=number;for(i=0;i8;i+)/8位依次发送if(dat&0x80)/取最高位bit_out=1;/发1elsebit_out=0;/发0send_bit();/发送一个位dat=dat1;/左移一位read_bit();/接收1位应答信号if(bit_in=1)/无应答时重发stop();if(n!=0)n-;/可以重发Nack_number=10次gotoRepeat;/重发elsegotoexit;/退出elsegotoexit;Repeat:start();/重新开始gotoSend_again;/重发exit:/退出/*=发送一个位=*/voidsend_bit(void)if(bit_out=1)SDA=1;/发1elseSDA=0;/发0_nop_();SCK=1;/上升沿delay(4);delay(4);SCK=0;delay(4);delay(4);/*=接收一个字节=*/ucharReadByte(void)uchari,dat;dat=0;/初值为0for(i=0;i8;i+)dat=dat1;/左移read_bit();/接收一位if(bit_in=1)dat=dat+1;/为1时对应位加1SDA=0;/发送应答信号0send_bit();returndat;/带回接收数据/*=接收一个位=*/voidread_bit(void)SDA=1;/数据端先置1bit_in=1;SCK=1;/上升沿delay(4);delay(4