dotHR_URG
Dependencies: FatFileSystem TextLCD mbed
Diff: main.cpp
- Revision:
- 0:a1accf06b614
- Child:
- 1:52d3136e1a22
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Nov 30 12:34:22 2012 +0000 @@ -0,0 +1,232 @@ +#include "mbed.h" +#include "SDFileSystem.h" +#include "ASCII.h" +#include "URG.h" +//#include "TextLCD.h" + +#define pi 3.14159265 + +DigitalOut led1(LED1); +DigitalOut led2(LED2); +DigitalOut led3(LED3); +DigitalOut led4(LED4); +Serial pc(USBTX, USBRX); // tx, rx +SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board +InterruptIn urg_flag(p12); +Serial navi(p13, p14); // tx, rx +DigitalIn stop(p17); // button (green) +Serial urg(p28, p27); // tx, rx +//TextLCD lcd(p24, p26, p27, p28, p29, p30); // rs, e, d4-d7 + +void send_to_navi(); + +int iaf_delta = 500; +double iaf_SR_print = 0; +double iaf_SL_print = 0; + +int t = -1; +int dt = 1; + +int main() { + + //int t = -2; + //int dt = 1; + + int flag = 0; + + char c_urg_data[3] = { 0, aA, 0 }; + char c_urg_data_buf[2110] = {0}; + int i_urg_data_buf[2046] = {0}; + int b_urg_data[3][6] = {0}; + int b_urg_data_sum[3] = {0}; + int pow2[18] = {0}; + int urg_depth[682] = {0}; + + int depth_sum_right = 0; + int depth_sum_left = 0; + + // for IAF +-45deg 1600mm + double range = 1600; + double sin_iaf_angle = sin(0.352*pi/180); // mabiki nashi + double iaf_SE = (range/1000)*(range/1000)*pi/4; + double iaf_IL = 0; + double iaf_gain = 1000; + //int iaf_delta = 0; + double iaf_SR = 0; + double iaf_SL = 0; + + // Information Requirement 0<IR<1 + double iaf_IR = 0.9; + + double i_pow = 0; + + pc.baud(921600); + navi.baud(115200); + urg.baud(19200); + + for( int i=0;i<18;i++ ){ + i_pow=(double)i; + pow2[i] = pow(2,i_pow); + }; + + // Waiting start up URG + //lcd.cls(); + //lcd.printf("Waiting start up URG"); + pc.printf("\n\r\n\rWaiting start up URG\n\r"); + led1 = 1; led2 = 1; led3 = 1; led4 = 1; + wait(.5); led4 = 0; + wait(.5); led3 = 0; + wait(.5); led2 = 0; + wait(.5); led1 = 0; + + // SCIP 1.0 --> SCIP 2.0 + //lcd.cls(); + //lcd.printf("SCIP 2.0"); + pc.printf("SCIP 2.0\n\r"); + for( int i=0;i<8;i++ ){ urg.putc(SCIP2[i]); } + // Waiting SCIP 2.0 + led1 = 1; led2 = 1; led3 = 1; led4 = 1; + wait(.5); led4 = 0; + wait(.5); led3 = 0; + wait(.5); led2 = 0; + wait(.5); led1 = 0; + + // Changing baudrate + //lcd.cls(); + //lcd.printf("Changing baudrate"); + pc.printf("Changing baudrate\n\r"); + for( int i=0;i<9;i++ ){ urg.putc(SS1152[i]); } + urg.baud(115200); + led1 = 1; led2 = 1; led3 = 1; led4 = 1; + wait(.5); led4 = 0; + wait(.5); led3 = 0; + wait(.5); led2 = 0; + wait(.5); led1 = 0; + + // Getting data + led1 = 1; led4 = 1; + //lcd.cls(); + //lcd.printf("Getting data ..."); + pc.printf("Getting data ...\n\r\n\r"); + for( int i=0;i<16;i++ ){ urg.putc(MD[i]); } + //for( int i=0;i<16;i++ ){ urg.putc(MD1[i]); } + //for( int i=0;i<16;i++ ){ urg.putc(MD10[i]); } + + // Cutting first data + while( flag==0 ){ + c_urg_data[0] = urg.getc(); + if( c_urg_data[0]==aLF && c_urg_data[1]==aLF ){ flag = 1; } + for( int i=0;i<2;i++ ){ c_urg_data[i+1] = c_urg_data[i]; } + } + + urg_flag.rise(&send_to_navi); // attach the address of the flip function to the rising edge + + //while(1){ + while( stop==0 ){ + + c_urg_data[2] = c_urg_data[1]; + c_urg_data[1] = c_urg_data[0]; + c_urg_data[0] = urg.getc(); + + if( c_urg_data[2]==a9 && c_urg_data[1]==a9 && c_urg_data[0]==ab ){ + + for( int i=0;i<7;i++ ){ c_urg_data[0] = urg.getc(); } + + for( int i=0;i<2110;i++ ){ c_urg_data_buf[i] = urg.getc(); } + + for( int i=0;i<31;i++ ){ for( int j=66*i;j<66*i+64;j++ ){ i_urg_data_buf[j-2*i] = (int)c_urg_data_buf[j]-48; } } + + for( int j=2046;j<2108;j++ ){ i_urg_data_buf[j-62] = (int)c_urg_data_buf[j]-48; } + /* + for( int i=0;i<2110;i++ ){ pc.printf("%c", c_urg_data_buf[i]); } + pc.printf("\n\r\n\r"); + + for( int i=0;i<2046;i++ ){ pc.printf("%2d ", i_urg_data_buf[i]); } + pc.printf("\n\r\n\r"); + */ + for( int i=0;i<682;i++ ){ + + for( int j=0;j<3;j++ ){ + + for( int k=0;k<6;k++ ){ + b_urg_data[2][k] = b_urg_data[1][k]; + b_urg_data[1][k] = b_urg_data[0][k]; + } + + for( int k=0;k<6;k++ ){ + b_urg_data[0][k] = i_urg_data_buf[3*i+j]%2; + i_urg_data_buf[3*i+j] = i_urg_data_buf[3*i+j]/2; + } + + } + /* binary check + for( int j=0;j<3;j++ ){ + for( int k=0;k<6;k++ ){ + pc.printf("%d", b_urg_data[2-j][5-k]); + } + pc.printf(" "); + } + */ + for( int j=0;j<3;j++ ){ for( int k=0;k<6;k++ ){ b_urg_data_sum[j] += pow2[6*j+k]*b_urg_data[j][k]; } } + for( int j=0;j<3;j++ ){ urg_depth[i] += b_urg_data_sum[j]; } + for( int j=0;j<3;j++ ){ b_urg_data_sum[j] = 0; } + if( urg_depth[i]>range ){ urg_depth[i] = range; } + //pc.printf("%d ", urg_depth[i]); + } + //pc.printf("\r\n\r\n"); + + /* + // Full range + for( int i=0;i<341;i++ ){ + depth_sum_right += urg_depth[i]; + depth_sum_left += urg_depth[i+341]; + } + //pc.printf("\r\n%d %d\r\n\r\n", depth_sum_right, depth_sum_left); + // Initialization + for( int i=0;i<682;i++ ){ urg_depth[i] = 0; } + depth_sum_right = 0; + depth_sum_left = 0; + */ + + // IAF (+-45deg) (/1000000 is length conversion mm to m) + //for( int i=212;i<469;i++ ){ pc.printf("%d ", urg_depth[i]); } + //pc.printf("\r\n"); + for( int i=212;i<340;i++ ){ iaf_SR += (double)urg_depth[i]*(double)urg_depth[i+1]/1000000*sin_iaf_angle/2; } + for( int i=340;i<468;i++ ){ iaf_SL += (double)urg_depth[i]*(double)urg_depth[i+1]/1000000*sin_iaf_angle/2; } + // iaf_delta: (10*delta + 500)[deg/s] + iaf_IL = (iaf_SR+iaf_SL)/iaf_SE; + if( iaf_IR-iaf_IL>0 ){ iaf_delta = (iaf_gain*(iaf_SR-iaf_SL))/iaf_SE+500; } + else{ iaf_delta = 500; } + if( iaf_delta>800 ){ iaf_delta = 800; } + if( iaf_delta<200 ){ iaf_delta = 200; } + + //pc.printf("%6.3f, %6.3f\r\n", iaf_SR, iaf_SL); + pc.printf("%4d\r\n", iaf_delta); + /* + if( urg_flag==1 ){ + navi.printf("%4d",iaf_delta); + //dotHR.printf("a"); + pc.printf("%4d, %4d\r\n", t, iaf_delta); + t = t+dt; + } + */ + // Initialization + for( int i=0;i<682;i++ ){ urg_depth[i] = 0; } + iaf_SR_print = iaf_SR; + iaf_SL_print = iaf_SL; + iaf_SR = 0; + iaf_SL = 0; + + } + + } + +} + +void send_to_navi() { + + navi.printf("%4d",iaf_delta); + pc.printf("%4d, %f, %f, %4d\r\n", t, iaf_SL_print, iaf_SR_print, iaf_delta); + t = t+dt; + +}