Celso Bairros Varella Neto / TI_ADS1220

ADS1220 Library Modified from Sandeep Malladi

Dependents:   ADS1220SPI BMI160Test Seismograph-Geodynamic

Files at this revision

API Documentation at this revision

Revision 1:34692a3d25f7, committed 2016-10-13

Comitter:
firewalk
Date:
Thu Oct 13 02:07:10 2016 +0000
Parent:
0:90cd7e5e24af
Commit message:
Modified by Celso Varella

Changed in this revision

ADS1220.cpp Show annotated file Show diff for this revision Revisions of this file
ADS1220.h Show annotated file Show diff for this revision Revisions of this file 
diff -r 90cd7e5e24af -r 34692a3d25f7 ADS1220.cpp
--- a/ADS1220.cpp	Tue May 24 13:44:10 2016 +0000
+++ b/ADS1220.cpp	Thu Oct 13 02:07:10 2016 +0000
@@ -18,7 +18,7 @@
    
   // clear prev value;
     Temp &= 0x00;
-    Temp |= (ADS1220_MUX_2_3 | ADS1220_GAIN_128);//ADS1220_GAIN_128);
+    Temp |= (ADS1220_MUX_1_G | ADS1220_GAIN_1 | ADS1220_PGA_BYPASS);//MUX_AIN1, ADS1220_GAIN_1, PGA-BYPASS ON);
    
     // write the register value containing the new value back to the ADS
     WriteRegister(ADS1220_0_REGISTER, 0x01, &Temp);
@@ -26,7 +26,7 @@
     ReadRegister(ADS1220_1_REGISTER, 0x01, &Temp);   
   // clear prev DataRate code;
     Temp &= 0x00;
-    Temp |= (ADS1220_DR_1000 | ADS1220_CC);      // Set default start mode to 600sps and continuous conversions
+    Temp |= (ADS1220_DR_1000 | ADS1220_MODE_TURBO);      // Set turbo start mode to 1000sps(2000 sps) and single shot conversions
    
   // write the register value containing the new value back to the ADS
     WriteRegister(ADS1220_1_REGISTER, 0x01, &Temp);
@@ -36,7 +36,7 @@
     
   // clear prev DataRate code;
     Temp &= 0x00;
-    Temp |= (ADS1220_VREF_EX_DED | ADS1220_REJECT_50);      // Set Internal Vref as 2.048 V
+    Temp |= (ADS1220_VREF_SUPPLY | ADS1220_REJECT_OFF);      // Set External Reference 5.00 V (AVDD - AVSS)
    
     // write the register value containing the new value back to the ADS
     WriteRegister(ADS1220_2_REGISTER, 0x01, &Temp);
@@ -545,13 +545,13 @@
             dERROR = SetChannel(Temp + ADS1220_MUX_3_2);
             break;
         case 8:
-            dERROR = SetChannel(Temp + ADS1220_MUX_0_G);
+            dERROR = SetChannel(Temp + ADS1220_MUX_2_G);
             break;
         case 9:
             dERROR = SetChannel(Temp + ADS1220_MUX_1_G);
             break;
         case 10:
-            dERROR = SetChannel(Temp + ADS1220_MUX_2_G);
+            dERROR = SetChannel(Temp + ADS1220_MUX_0_G);
             break;
         case 11:
             dERROR = SetChannel(Temp + ADS1220_MUX_3_G);

diff -r 90cd7e5e24af -r 34692a3d25f7 ADS1220.h
--- a/ADS1220.h	Tue May 24 13:44:10 2016 +0000
+++ b/ADS1220.h	Thu Oct 13 02:07:10 2016 +0000
@@ -39,7 +39,7 @@
 #define ADS1220_MUX_2_3     0x50
 #define ADS1220_MUX_1_0     0x60
 #define ADS1220_MUX_3_2     0x70
-#define ADS1220_MUX_0_G       0x80
+#define ADS1220_MUX_0_G     0x80
 #define ADS1220_MUX_1_G     0x90
 #define ADS1220_MUX_2_G     0xa0
 #define ADS1220_MUX_3_G     0xb0