ECG_ADS1198
Dependencies: ADSlib mbed SDFileSystem
This was created for an internship project at IIT hyderabad.
Revision 4:dee470044b03, committed 2015-04-09
- Comitter:
- joelbandi
- Date:
- Thu Apr 09 21:07:59 2015 +0000
- Parent:
- 3:86eef673aec5
- Child:
- 5:4bcb26d018f8
- Commit message:
- 1
Changed in this revision
| ADSlib.lib | Show annotated file Show diff for this revision Revisions of this file |
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/ADSlib.lib Tue Apr 07 18:49:23 2015 +0000 +++ b/ADSlib.lib Thu Apr 09 21:07:59 2015 +0000 @@ -1,1 +1,1 @@ -http://developer.mbed.org/users/joelbandi/code/ADSlib/#b251aa7b7c86 +http://developer.mbed.org/users/joelbandi/code/ADSlib/#715c88178998
--- a/main.cpp Tue Apr 07 18:49:23 2015 +0000
+++ b/main.cpp Thu Apr 09 21:07:59 2015 +0000
@@ -1,5 +1,5 @@
#include "mbed.h"
-#include "ADSlib.h"
+#include "ADSlib/ADSlib.h"
#include "SDFileSystem/SDFileSystem.h"
/***********************PROTOTYPING AND SETTINGS*********************/
@@ -10,6 +10,7 @@
DigitalOut PWDN(p10);
DigitalOut RESETpin(p9);
DigitalOut STARTpin(p19);
+DigitalOut waitled(LED1);
DigitalIn DRDY(p15);
SPI spi(p5,p6,p7);
SDFileSystem sd(p11,p12,p13,p14,"sd");
@@ -18,12 +19,13 @@
LocalFileSystem local("local");
/********************************************************************/
-int main() // main call
+int main() // main call
{
/********************POWER ON SEQUENCING *****************************/
- wait_ms(500); // boot up time
+ waitled =1;
+ wait_ms(500); //boot up time
- ADS1CS=1; // deselect ADS1
+ ADS1CS=1; //deselect ADS1
spi.format(8,3); //spi setttings
spi.frequency(1000000); //spi settings
@@ -65,61 +67,54 @@
STARTpin= 1;
//write main superloop and rdatac mode and enable dout conversion AND SETUP FILESTORAFGE
+ Timer tensec;
+ tensec.start();
+ while(tensec.read()<=10) {
+ spi.write(RDATAC);
+ wait_ms(10);
+ while(DRDY) {}
+ ADS1CS= 0;
+ for (int i=0; i<=18; i++) {
+ Input_Data_Stream[i] = spi.write(0x00);
+ }
+ for(int i=3; i<=17; i++) {
+ int k= 0;
+ int j= 4;
+ Input_modified[k]=Input_Data_Stream[i]<<8 + Input_Data_Stream[j];
+ j++;
+ k++;
+ }
+ Input_modified[8]=Input_modified[7]-Input_modified[6];
+ Input_modified[9]=-(Input_modified[7]+Input_modified[6]/2);
+ Input_modified[10]=((2*Input_modified[6])-Input_modified[7])/2;
+ Input_modified[11]=((2*Input_modified[7])-Input_modified[6])/2;
+ spi.write(SDATAC);
- spi.write(RDATAC);
- wait_ms(10);
- while(DRDY) {}
- ADS1CS= 0;
- for (int i=0; i<=18; i++) {
- Input_Data_Stream[i] = spi.write(0x00);
- }
- for(int i=3; i<=17; i++) {
- int k= 0;
- int j= 4;
- Input_modified[k]=Input_Data_Stream[i]<<8 + Input_Data_Stream[j];
- j++;
- k++;
- }
- Input_modified[8]=Input_modified[7]-Input_modified[6];
- Input_modified[9]=-(Input_modified[7]+Input_modified[6]/2);
- Input_modified[10]=((2*Input_modified[6])-Input_modified[7])/2;
- Input_modified[11]=((2*Input_modified[7])-Input_modified[6])/2;
- spi.write(SDATAC);
-
- /***********************FILE IO PROCEDURE ON LOCAL STORAGE******************/
- FILE* file = fopen("local/logfile.txt","w");
- for (int k =0; k<12; k++) {
- fputc(Input_modified[k],file);
- }
- //dont forget to fclose(file);
- /***************************************************************************/
+ /***********************FILE IO PROCEDURE ON LOCAL STORAGE******************/
+ FILE* file = fopen("local/logfile.txt","w");
+ for (int k =0; k<12; k++) {
+ fputc(Input_modified[k],file);
+ }
+ //dont forget to
+ //fclose(file);
+ /***************************************************************************/
///////////////////////////OR///////////////////////////////////////////////////////////////////////
- /****************************SD I/O OPERATIONS *****************************/
- mkdir("sd/logfiledir",0777);
- FILE* file1 = fopen("sd/logfiledir/logfile.txt","w");
- for (int k =0; k<12; k++) {
- fputc(Input_modified[k],file1);
+ /****************************SD I/O OPERATIONS *****************************/
+ mkdir("sd/logfiledir",0777);
+ FILE* file1 = fopen("sd/logfiledir/logfile.txt","w");
+ for (int k =0; k<12; k++) {
+ fputc(Input_modified[k],file1);
+ }
+ //dont forget to
+ //fclose(file1);
+ /***************************************************************************/
}
- //dont forget to fclose(file1);
- /***************************************************************************/
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+ tensec.stop();
+ waitled =0;
}