Revision 8:40abe5736eca, committed 2014-05-19

Comitter:

eencae

Date:

Mon May 19 18:45:48 2014 +0000

Parent:

7:3010f24e0a81

Child:

9:7701f0126ba7

Commit message:

Added plot function (untested).

Changed in this revision

--- a/N5110.cpp	Mon May 19 18:23:21 2014 +0000
+++ b/N5110.cpp	Mon May 19 18:45:48 2014 +0000
@@ -261,4 +261,21 @@
             buffer[i][j]=0;
         }
     }
+}
+
+// function to plot array on display
+void N5110::plotArray(float array[]) {
+    
+    int i;
+    
+    for (i=0; i<84; i++) {  // loop through array
+        // elements are normalised from 0.0 to 1.0, so multiply
+        // by 47 to convert to pixel range, and subtract from 47
+        // since top-left is 0,0 in the display geometry
+        setPixel(i,47 - (int) array[i]*47.0);
+    }    
+    
+    refresh();
+    
+    
 }
\ No newline at end of file

--- a/N5110.h	Mon May 19 18:23:21 2014 +0000
+++ b/N5110.h	Mon May 19 18:45:48 2014 +0000
@@ -193,6 +193,15 @@
     *   TODO: Randomise the seed - maybe using the noise on the AnalogIn pins.
     */
     void randomiseBuffer();
+    
+    /** Plot Array
+    *
+    *   This function plots a one-dimensional array on the display. The values in the array
+    *   correspond to the y values of the plot and these are plotted along the x-axis (one
+    *   value per pixel along the x-axis of the display. This means only the first 84 values are 
+    *   plotted. y values in the array should be normalised in the range 0.0 to 1.0. 
+    */
+    void plotArray(float array[]);
 
 private:
     void initSPI();