test_ADXL345.rar_ADXL345 MPS430_adxl345_mps430 spi adxl345

#include "msp430x44x.h" #include <math.h> typedef unsigned int WORD; typedef unsigned char BYTE; const BYTE CHAR_X[11][5]= { 0x3E,0x51,0x49,0x45,0x3E, 0x00,0x42,0x7F,0x40,0x00, 0x42,0x61,0x51,0x49,0x66, 0x23,0x41,0x45,0x4B,0x31, 0x18,0x14,0x52,0x7F,0x50, 0x27,0x45,0x45,0x45,0x39, 0x3C,0x4A,0x49,0x49,0x30, 0x03,0x71,0x09,0x05,0x03, 0x36,0x49,0x49,0x49,0x36, 0x06,0x49,0x49,0x29,0x1E, 0x7E,0x11,0x11,0x11,0x7E, }; //**************************************************************************** typedef signed char INT8S; //-128 to 127 typedef unsigned char INT8U; //0 to 255 typedef int INT16S; //-32768 to 32767 typedef unsigned int INT16U; //0 to 65535 typedef long INT32S; //-2(31) to 2(31)-1 typedef unsigned long INT32U; //0 to 2(32)-1 typedef float FP32; typedef double FP64; #define P2_0_RS 0x01 #define P2_1_RW 0x02 #define P2_2_EN 0x04 #define P2_3_CS1 0x08 #define P2_3_CS2 0x40 #define P2_3_RST 0x80 #define P3_0_DB0 0x01 #define P3_1_DB1 0x02 #define P3_2_DB2 0x04 #define P3_3_DB3 0x08 #define P3_4_DB4 0x10 #define P3_5_DB5 0x20 #define P3_6_DB6 0x40 #define P3_7_DB7 0x80 /*const BYTE CHAR_0[5]={0x3E,0x51,0x49,0x45,0x3E}; const BYTE CHAR_1[5]={0x00,0x42,0x7F,0x40,0x00}; const BYTE CHAR_2[5]={0x42,0x61,0x51,0x49,0x66}; const BYTE CHAR_3[5]={0x23,0x41,0x45,0x4B,0x31}; const BYTE CHAR_4[5]={0x18,0x14,0x52,0x7F,0x50}; const BYTE CHAR_5[5]={0x27,0x45,0x45,0x45,0x39}; const BYTE CHAR_6[5]={0x3C,0x4A,0x49,0x49,0x30}; const BYTE CHAR_7[5]={0x03,0x71,0x09,0x05,0x03}; const BYTE CHAR_8[5]={0x36,0x49,0x49,0x49,0x36}; const BYTE CHAR_9[5]={0x06,0x49,0x49,0x29,0x1E}; const BYTE CHAR_A[5]={0x7E,0x11,0x11,0x11,0x7E}; const BYTE CHAR_B[5]={0x7F,0x49,0x49,0x49,0x36}; const BYTE CHAR_E[5]={0x41,0x7F,0x49,0x5D,0x63}; */ //**************************************************************************** void port_ini( void ) { P3DIR = 0xFF; P3OUT = 0x00; P2DIR = 0xFF; P2OUT = P2_3_CS1 | P2_3_CS2 | P2_3_RST; P2OUT &=~P2_3_RST; _NOP(); _NOP(); P2OUT |= P2_2_EN; _NOP(); _NOP(); P2OUT &=~P2_2_EN; _NOP(); _NOP(); P2OUT |= P2_3_RST; _NOP(); _NOP(); } //**************************************************************************** void write_command( BYTE nByte ) { P3DIR = 0xFF; P2OUT |= P2_3_CS1+P2_3_CS2; P2OUT &=~(P2_0_RS+P2_1_RW); P3OUT = nByte; P2OUT |= P2_2_EN; P2OUT &=~P2_2_EN; } //**************************************************************************** void write_char( BYTE nByte, BYTE CS1, BYTE CS2 ) { P3DIR = 0xFF; if(CS1) P2OUT |= P2_3_CS1; else P2OUT &=~P2_3_CS1; if(CS2) P2OUT |= P2_3_CS2; else P2OUT &=~P2_3_CS2; P2OUT |= P2_0_RS; P2OUT &=~P2_1_RW; P3OUT = nByte; P2OUT |= P2_2_EN; P2OUT &=~P2_2_EN; } //**************************************************************************** void clear_lcd( void ) { BYTE i,j; for(i=0;i<8;i++) { write_command(i|0xB8); write_command(0x40); for(j=0;j<128;j++) { if(j<=63) write_char(0,1,0); else write_char(0,0,1); _NOP(); } } } //**************************************************************************** void display_char( BYTE *chr, BYTE nRow, BYTE nCol ) { BYTE i,tmpCol; write_command(0xB8|nRow); tmpCol=nCol; for(i=0;i<5;i++) { if(tmpCol<=63) { write_command(0x40|tmpCol); write_char(chr[i],1,0); } else { write_command(0x40|(tmpCol-64)); write_char(chr[i],0,1); } tmpCol++; } } //**display adxl345 ->x y z************************************************************************** void display_int(int x,char line,char start_point) { if(!(x&0x8000)) { display_char((BYTE *)&CHAR_X[0],line,start_point); display_char((BYTE *)&CHAR_X[(int)(x/1000)],line,start_point+7); display_char((BYTE *)&CHAR_X[(int)((x%1000)/100)],line,start_point+14); display_char((BYTE *)&CHAR_X[(int)((x%100)/10)],line,start_point+21); display_char((BYTE *)&CHAR_X[(int)(x%10)],line,start_point+28); } else { x =~(x-0x0001); display_char((BYTE *)&CHAR_X[10],line,start_point); display_char((BYTE *)&CHAR_X[(int)(x/1000)],line,start_point+7); display_char((BYTE *)&CHAR_X[(int)((x%1000)/100)],line,start_point+14); display_char((BYTE *)&CHAR_X[(int)((x%100)/10)],line,start_point+21); display_char((BYTE *)&CHAR_X[(int)(x%10)],line,start_point+28); } } //**************************************************************************** void display_spi(char integer,char line ,char start_point) { display_char((BYTE *)&CHAR_X[(int)(integer%10)],line,start_point+14); display_char((BYTE *)&CHAR_X[(int)((integer%100)/10)],line,start_point+7); display_char((BYTE *)&CHAR_X[(int)(integer/100)],line,start_point); //display_char((BYTE *)&CHAR_X[0],line,start_point); } //**************************************************************************** void display_integer(char integer,char line ,char start_point) { display_char((BYTE *)&CHAR_X[integer],line,start_point); } //**************************************************************************** void DelayMS(unsigned int m) //每次延时约8000个时钟周期，每次约为1Ms { unsigned int i=m, j=1350; while(i--) { j=1350; while (j--); } } //显示偏离磁北角度 ,azimuth为弧度输入 void display_angle(double azimuth ,char line ,char start_point,char symbol) { //int tmp=0; if(symbol) azimuth =azimuth*180/3.1415926; //角度 else { azimuth =azimuth*180/3.1415926;///+5; if(azimuth>360) azimuth =azimuth -360; } if(azimuth>=0) { display_char((BYTE *)&CHAR_X[0],line,start_point); display_char((BYTE *)&CHAR_X[(int) (azimuth/100)],line,start_point+7); display_char((BYTE *)&CHAR_X[(int) ((((int) azimuth)%100)/10)],line,start_point+14); display_char((BYTE *)&CHAR_X[(int)(((int)(azimuth))%10)],line,start_point+21); display_char((BYTE *)&CHAR_X[(int)(((int)(azimuth*10))%10)],line,start_point+28); //display_char((BYTE *)&CHAR_X[(int)(((int)(azimuth*100))%10)],line,start_point+35); // tmp= (int) azimuth; //display_char((BYTE *)&CHAR_X[0],line,start_point); //display_char((BYTE *)&CHAR_X[(int) (tmp/100)],line,start_point+7); //display_char((BYTE *)&CHAR_X[(int) ((tmp%100)/10)],line,start_point+14); //display_char((BYTE *)&CHAR_X[(int)(tmp%10)],line,start_point+21); } else { azimuth =fabs(azimuth); display_char((BYTE *)&CHAR_X[10],line,start_point); display_char((BYTE *)&CHAR_X[(int) (azimuth/100)],line,start_point+7); display_char((BYTE *)&CHAR_X[(int) ((((int) azimuth)%100)/10)],line,start_point+14); display_char((BYTE *)&CHAR_X[(int)(((int)(azimuth))%10)],line,start_point+21); display_char((BYTE *)&CHAR_X[(int)(((int)(azimuth*10))%10)],line,start_point+28); //display_char((BYTE *)&CHAR_X[(int)(((int)(azimuth*100))%10)],line,start_point+35); } } /* //显示x,y,z void display_xyz(int x, char line ,char start_point) { if(!(x & 0x8000)) { display_char((BYTE *)&CHAR_X[(int)(x%10)],line,start_point+28); display_char((BYTE *)&CHAR_X[(int)((x%100)/10)],line,start_point+21); display_char((BYTE *)&CHAR_X[(int)((x%1000)/100)],line,start_point+14); display_char((BYTE *)&CHAR_X[(int)(x/1000)],line,start_point+7); display_char((BYTE *)&CHAR_X[0],line,start_point); } else { x =~(x-0x0001); display_char((BYTE *)&CHAR_X[(int)(x%10)],line,start_point+28); display_char((BYTE *)&CHAR_X[(int)((x%100)/10)],line,start_point+21); display_char((BYTE *)&CHAR_X[(int)((x%1000)/100)],line,start_point+14); display_char((BYTE *)&CHAR_X[(int)(x/1000)],line,start_point+7); display_char((BYTE *)&CHAR_X[10],line,start_point); }