Revision 16:b77c819f6c6a, committed 2017-05-14

Comitter:

AzqDev

Date:

Sun May 14 19:21:42 2017 +0000

Parent:

15:6a2f52b5ac46

Child:

17:2d46eabb129e

Commit message:

Added getTable()

Changed in this revision

--- a/IQS62x.cpp	Sat May 13 16:08:38 2017 +0000
+++ b/IQS62x.cpp	Sun May 14 19:21:42 2017 +0000
@@ -106,7 +106,19 @@
         if(IQSready==0) break;
         if (timeout++ > 1000000) goto fatal_error;
     }
-    return;
+    return;; 
 fatal_error:
     error ("Fatal Error: IQS62x ready pin is not toggling");
+}
+
+// return one of the tables of changes that we maintain
+char * IQS62xIO::getTable( int option )
+{
+    switch ( option ) {
+        case 1 : return  readChangesEver; // a table to flag any register that ever changed
+        case 2 : return  readChanges;     // a table to flag any register that changed in the last 20 reads
+        case 3 : return  writeFlag;       // a table to flag any register we wrote to or initialized
+        case 4 : return  writeChanges;    // a table to flag any register we wrote to but then its value changed
+        default: return NULL;; 
+    }
 }
\ No newline at end of file

--- a/IQS62x.h	Sat May 13 16:08:38 2017 +0000
+++ b/IQS62x.h	Sun May 14 19:21:42 2017 +0000
@@ -46,7 +46,17 @@
     
     void writeRegister(int address, int data); // write a byte to a register
     void configure(); // write configuration registers of the IQS62x    
-    void readAll(); // read all registers from the IQS62x     
     void readIqsRegisters(int start, int count); // starting at "start" read count registers
     void waitForIqsReady(); // wait for IQS62x ready signal
-};
\ No newline at end of file
+    char * getTable( int ); // fetch one of the tables containing changes in register values
+    // an enumerated type we use in main to select one of the tables of changes
+};
+
+// used with getTable()
+enum changeType {
+    color_nothing=0, // no change table selected
+    color_any_register_that_ever_changed=1, // a table to flag any register that ever changed
+    color_any_register_that_changed_in_the_previous_20_reads=2, // a table to flag any register that changed in the last 20 reads
+    color_any_register_that_was_written_or_initialized=3, // a table to flag any register we wrote to or initialized
+    color_any_register_that_was_written_but_then_changed=4 // a table to flag any register we wrote to but then its value changed
+};