ADC overo 2.6.38- - Revision history

Bart: fixed some bugs in the example program

2012-01-10T15:19:18Z

fixed some bugs in the example program

2011-11-09T01:04:40Z

2011-09-21T07:08:46Z

formatting fixed

2011-09-19T08:04:36Z

2011-09-19T07:55:56Z

just to point people in the right direction

New page

Use /dev/twl4030

See Scott Ellis' page

http://www.jumpnowtek.com/index.php?option=com_content&view=article&id=79&Itemid=91

@@ Line 211: / Line 211: @@
+      {
           printf("could not open device /dev/twl4030-madc \n");
-          EXIT_FAILURE;
+          exit(EXIT_FAILURE);
+      }
       struct twl4030_madc_user_parms *par;
       par = malloc(sizeof(struct twl4030_madc_user_parms));
       for (j = 0; j < (sizeof(channels)/sizeof(struct adc_channel)); j++)
+      {
@@ Line 227: / Line 228: @@
           else
+          {
-              if (par->status == -1)
+             if (par->status == -1)
                   printf("Channel %d (%s) timed out!\n", j, channels[j].name);
-               printf("ERROR\n");
+                 printf("ERROR\n");
-               exit(1);
+                 exit(EXIT_FAILURE);
+          }
+      }

← Older revision		Revision as of 01:04, 9 November 2011
Line 253:		Line 253:

	when using the ADCs you may/will need to scale values.		when using the ADCs you may/will need to scale values.
		+	To connect up circuits running at higher than 2.5V you will need to use a voltage divider (resistors)

	Vincent, H. (2009) ADC Code Example – Help with Overo ADC. http://old.nabble.com/Re%3A-Help-with-Overo-ADC-td24174607.html		Vincent, H. (2009) ADC Code Example – Help with Overo ADC. http://old.nabble.com/Re%3A-Help-with-Overo-ADC-td24174607.html