角度传感器ADXL345程序代码(AVR).doc

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1、/************************************************************角度传感器ADXL345程序代码****************************************************************/#include#include#include#includetypedefunsignedcharuchar;typedefunsignedintuint;/*LCD引脚定义*/#defineCS_setPORTD

2、=BIT(6)#

3、defineCS_clrPORTD&=~BIT(6)#defineSID_setPORTD

4、=BIT(7)#defineSID_clrPORTD&=~BIT(7)#defineSCLK_setPORTB

5、=BIT(0)#defineSCLK_clrPORTB&=~BIT(0)/*ADXL345角度传感器端口定义*/#defineSDA_setPORTC

6、=(1<<4)#defineSDA_clrPORTC&=~(1<<4)#defineSDA_inDDRC&=~(1<<4)#defineSDA_outDDRC

7、=(1<<4)#defineSDA_RPINC&(1<<4)#defineS

8、CL_setPORTC

9、=(1<<5)#defineSCL_clrPORTC&=~(1<<5)#defineSCL_outDDRC

10、=(1<<5)#defineSlaveAddress0xA6//器件地址ucharRe_data[6];intDis_data;floatTemp_x,Temp_y,Temp_z;floatAngle;/*延时*/voidDelay(uintt){while(t--){}}/*LCD12232端口初始化*/voidPORT_Init(void){DDRD

11、=BIT(6);PORTD

12、=BIT(6);DDRD

13、=BIT(7);PORTD

14、=BIT(7);DD

15、RB

16、=BIT(0);PORTB

17、=BIT(0);}/*LCD12232写指令*/voidSend_COM(ucharCOM){uchari,Order;CS_clr;Order=0xf8;SCLK_clr;CS_set;for(i=0;i<8;i++){if(Order&0x80)SID_set;elseSID_clr;SCLK_clr;SCLK_set;Order<<=1;}Order=COM;Order&=0xf0;for(i=0;i<8;i++){if(Order&0x80)SID_set;elseSID_clr;SCLK_clr;SCLK_set;Order<<=1;}Ord

18、er=COM;Order<<=4;for(i=0;i<8;i++){if(Order&0x80)SID_set;elseSID_clr;SCLK_clr;SCLK_clr;SCLK_set;Order<<=1;}CS_clr;Delay(20);}/*LCD12232写数据*/voidSend_DATA(ucharData){uchari,Order;CS_clr;Order=0xfa;SCLK_clr;CS_set;for(i=0;i<8;i++){if(Order&0x80)SID_set;elseSID_clr;SCLK_clr;SCLK_set;Order<<=1;}Order

19、=Data;Order&=0xf0;for(i=0;i<8;i++){if(Order&0x80)SID_set;elseSID_clr;SCLK_clr;SCLK_set;Order<<=1;}Order=Data;Order<<=4;for(i=0;i<8;i++){if(Order&0x80)SID_set;elseSID_clr;SCLK_clr;SCLK_set;Order<<=1;}CS_clr;Delay(20);}/*显示一字符串*/voidDis_str(ucharAddr,uchar*str){Send_COM(Addr);Delay(100);while(*str

20、!=''){Send_DATA(*str);str++;Delay(20);}}/*LCD12232初始化*/voidInit_LCD(void){Delay(2000);Send_COM(0x06);Delay(200);Send_COM(0x02);Delay(200);Send_COM(0x0c);Delay(200);Send_COM(0x80);Delay(200);Send_COM(0x30);Delay(200);Send_C