Revision 0:a22794f9a5ce, committed 2011-03-08
- Comitter:
- mitesh2patel
- Date:
- Tue Mar 08 10:38:53 2011 +0000
- Commit message:
- pwm_adc
Changed in this revision
diff -r 000000000000 -r a22794f9a5ce main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Mar 08 10:38:53 2011 +0000
@@ -0,0 +1,155 @@
+//////////////////////////////////////////////////
+// Include Files
+#include "mbed.h"
+
+//////////////////////////////////////////////////
+//Pin Defines for LED
+DigitalOut sysled(LED1); //System Indicator
+//DigitalOut ind1(LED2); //
+DigitalOut ind2(LED3); //idle state indicator
+DigitalOut ind3(LED4); //adc convertion indicator
+
+
+
+
+// ADC pins
+AnalogIn Sense1(p15); //Sensor 1
+AnalogIn Sense2(p16); //Sensor 2
+AnalogIn Sense3(p17); //Sensor 3
+AnalogIn Sense4(p18); //Sensor 4
+AnalogIn Sense5(p19); //Sensor 5
+AnalogIn Sense6(p20); //Sensor 6
+
+
+//PWM signals
+PwmOut x(p21);
+PwmOut y(p22);
+PwmOut x1(p23);
+PwmOut y1(p24);
+PwmOut x2(p25);
+PwmOut y2(p26);
+
+
+//Configure the PC Serial Port for CDC USB
+Serial pc(USBTX, USBRX); // tx, rx of USB
+
+
+//////////////////////////////////////////////////
+
+LocalFileSystem fs("fs"); //file systems
+
+Timer timer; //timer
+
+
+// main Program
+int main() {
+
+ unsigned short usCurrentValue;
+ unsigned int i=0,j=0;
+ // float beg,end;
+
+ //Configure the Fastest Baud Rate
+ pc.baud(115200); // baud rate
+ printf("ADC TEST !!\n"); //print the value in the serial port
+
+
+
+ //duty cycle for pwm sigmnals
+ x =0.2;
+ y =0.3;
+ x1=0.4;
+ x2=0.5;
+ y1=0.6;
+ y2=0.8;
+
+
+ //Say the System is Ready to Run
+ sysled = 1;
+
+
+
+ char fname[20]; // charecter buffer
+
+ ////////////////// // loop counts the no: of existing files
+
+ while(1)
+ {
+ snprintf(fname, sizeof(fname), "/fs/adc%d.txt", i); //define the fine name with fanme buffer size
+ FILE *fp = fopen(fname, "r"); //open the file with read mode
+
+ if(fp==NULL) // if file name is not there exit the loop
+ break;
+
+ i++;
+ fclose(fp); // close the opened file
+ }
+
+ FILE *fp = fopen(fname, "w"); //open the file in write mode
+ fprintf(fp,"AD_15\t AD_16\t AD_17\t AD_18\t AD_19\t AD_20\n");
+
+
+
+ // timer.start(); //start the timer
+ // beg=timer.read_ms(); //note the starting time of the timer
+
+
+ for(j=0;j<2000;j++){ //loop repeats for 5 sec
+ ind3 = !ind3;
+ usCurrentValue = (Sense1.read_u16()&0xFFF); //read the adc value
+ fprintf(fp,"%fV\t",(usCurrentValue*3.3/4095)); // print the value in the opened file
+ // printf("\n ADC Val at pin15 : %f Volts = %d (Decimal Reading)",(usCurrentValue*3.3/4095),usCurrentValue); //print the value in usb terminal
+
+
+
+
+ ind3 = !ind3;
+ usCurrentValue = (Sense2.read_u16()&0xFFF); //read the adc value
+ fprintf(fp,"%fV\t",(usCurrentValue*3.3/4095));
+ // printf("\n ADC Val at pin16 : %f Volts = %d (Decimal Reading)",(usCurrentValue*3.3/4095),usCurrentValue);
+
+
+
+ ind3 = !ind3;
+ usCurrentValue = (Sense3.read_u16()&0xFFF); //read the adc value
+ fprintf(fp,"%fV\t",(usCurrentValue*3.3/4095));
+ // printf("\n ADC Val at pin17 : %f Volts = %d (Decimal Reading)",(usCurrentValue*3.3/4095),usCurrentValue);
+
+
+ ind3 = !ind3;
+ usCurrentValue = (Sense4.read_u16()&0xFFF); //read the adc value
+ fprintf(fp,"%fV\t",(usCurrentValue*3.3/4095));
+ // printf("\n ADC Val at pin18 : %f Volts = %d (Decimal Reading)",(usCurrentValue*3.3/4095),usCurrentValue);
+
+
+
+
+
+ ind3 = !ind3;
+ usCurrentValue = (Sense5.read_u16()&0xFFF); //read the adc value
+ fprintf(fp," %fV\t",(usCurrentValue*3.3/4095));
+ // printf("\n ADC Val at pin19 : %f Volts = %d (Decimal Reading)",(usCurrentValue*3.3/4095),usCurrentValue);
+
+
+
+ ind3 = !ind3;
+ usCurrentValue = (Sense6.read_u16()&0xFFF); //read the adc value
+ fprintf(fp,"%fV\t",(usCurrentValue*3.3/4095));
+ //printf("\n ADC Val at pin20 : %f Volts = %d (Decimal Reading)",(usCurrentValue*3.3/4095),usCurrentValue);
+
+ fprintf(fp,"\n");
+ //fprintf(fp,"\n");
+ //seperate the one set of valus from other
+ //fprintf(fp,"\n");
+ }
+ // end=timer.read_ms(); //note the ending time of the timer
+ // timer.stop(); //stop the timer
+ // printf("timer starts at %fms and end at %fms\n",beg,end); //print the timer starting and ending time values
+
+ fclose(fp); // close the file
+ ind2=1; //indicating idle state
+
+ while(1); // wait untill the reset
+
+
+
+}
diff -r 000000000000 -r a22794f9a5ce mbed.bld
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld Tue Mar 08 10:38:53 2011 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912
Mitesh Patel