Diff: main.cpp

Revision:

2:86845af4bcac

Parent:

1:65a219536d66

Child:

3:86eef673aec5

--- a/main.cpp	Thu Apr 02 13:27:43 2015 +0000
+++ b/main.cpp	Sun Apr 05 20:34:03 2015 +0000
@@ -1,15 +1,97 @@
 #include "mbed.h"
 #include "ADSlib.h"
 
+/***********************PROTOTYPING**********************************/
+DigitalOut CLKSEL(p8);
+DigitalOut ADS1CS(p11);
+DigitalOut ADS2CS(p12);
+DigitalOut MULT_ADS(p13);
+DigitalOut PWDN(p10);
+DigitalOut RESETpin(p9);
+DigitalOut STARTpin(p14);
+DigitalIn DRDY(p15);
+SPI spi(p5,p6,p7);
+/********************************************************************/
+signed char Input_Data_Stream[19];
+int16_t Input_modified[12];
+
+int main()       // main call
+{
+    /********************POWER ON SEQUENCING *****************************/
+    wait_ms(500);                   // boot up time
+
+    ADS1CS=1;                       // deselect ADS1
+    spi.format(8,3);                //spi setttings
+    spi.frequency(1000000);         //spi settings
+
+    CLKSEL = 1;                     //clock signal (internal) setup Frequency = 2.048 MHz
+    ADS1CS= 0;
+    spi.write(W_CONFIG1);
+    spi.write(0x00);
+    spi.write(0x64);
+    ADS1CS =1;
+
+    PWDN = 1;
+    RESETpin = 1;
+    wait(1);                        //Delay for Power-On Reset and Oscillator Start-Up
+
+    ADS1CS= 0;                      // intial reset command for device reset and register setting clean up
+    spi.write(RESET);
+    pause_clk(18);
+
+
+    spi.write(SDATAC);              // device boots up in RDATAC mode set it in SDATAC mode
+    pause_clk(4);
+
+
+    spi.write(W_CONFIG3);           // internal reference stup and enable
+    spi.write(0x00);
+    spi.write(0xC0);
+
+    /***************POWER ON SEQUENCING COMPLETE**************************/
+
+
+    /**************CHANNEL SETTINGS***************************************/
+    spi.write(W_CHnSET);
+    spi.write(0x07);
+    spi.write((int)ADS_Default_Channel_Settings);
+    ADS1CS = 1;
+    /*********************************************************************/
+
+    /*****************************CONVERSION BEGINS**********************/
+    STARTpin= 1;
+
+    //write main superloop and rdatac mode and enable dout conversion AND SETUP FILESTORAFGE
+
+    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);
+
 
 
-int main(){
-    while(true){
-        
-        
-        }
-    
-    }
-    
-    
+
+
+
+
 
+
+}
+
+
+