Diff: N5110.cpp

Revision:

18:d2140be00144

Parent:

17:780a542d5f8b

--- a/N5110.cpp	Tue Mar 17 12:56:03 2015 +0000
+++ b/N5110.cpp	Mon May 09 14:18:12 2016 +0000
@@ -20,6 +20,8 @@
     sce = new DigitalOut(scePin);
     rst = new DigitalOut(rstPin);
     dc = new DigitalOut(dcPin);
+    bufferFrameEdit = 1;
+    bufferFrameDisplay = 1;
 
 }
 
@@ -98,6 +100,12 @@
     led->write(brightness);
 }
 
+// function to change LED backlight PWM frequency
+void N5110::setPwmFreq(float freq)
+{
+    led->period_us(freq);
+}
+
 
 // pulse the active low reset line
 void N5110::reset()
@@ -155,14 +163,43 @@
     }
 }
 
+void N5110::selectBuffer(int type,int buffer)
+{
+    switch(type) {
+        case 1: //display
+            bufferFrameDisplay = buffer;
+            break;
+        case 2: //editable
+            bufferFrameEdit = buffer;
+            break;
+        case 3: //both
+            bufferFrameEdit = buffer;
+            bufferFrameDisplay = buffer;
+            break;
+    }
+}
+
 // These functions are used to set, clear and get the value of pixels in the display
 // Pixels are addressed in the range of 0 to 47 (y) and 0 to 83 (x).  The refresh()
 // function must be called after set and clear in order to update the display
+void N5110::writePixel(int x, int y, int v)
+{
+    if (x>=0 && x<WIDTH && y>=0 && y<HEIGHT) {  // check within range
+        // calculate bank and shift 1 to required position in the data byte
+        if(v==1) {
+            buffer[x][y/8][bufferFrameEdit] |= (1 << y%8);
+        }
+        if(v==0) {
+            buffer[x][y/8][bufferFrameEdit] &= ~(1 << y%8);
+        }
+    }
+}
+
 void N5110::setPixel(int x, int y)
 {
     if (x>=0 && x<WIDTH && y>=0 && y<HEIGHT) {  // check within range
         // calculate bank and shift 1 to required position in the data byte
-        buffer[x][y/8] |= (1 << y%8);
+        buffer[x][y/8][bufferFrameEdit] |= (1 << y%8);
     }
 }
 
@@ -170,7 +207,7 @@
 {
     if (x>=0 && x<WIDTH && y>=0 && y<HEIGHT) {  // check within range
         // calculate bank and shift 1 to required position (using bit clear)
-        buffer[x][y/8] &= ~(1 << y%8);
+        buffer[x][y/8][bufferFrameEdit] &= ~(1 << y%8);
     }
 }
 
@@ -178,7 +215,7 @@
 {
     if (x>=0 && x<WIDTH && y>=0 && y<HEIGHT) {  // check within range
         // return relevant bank and mask required bit
-        return (int) buffer[x][y/8] & (1 << y%8);
+        return (int) buffer[x][y/8][bufferFrameEdit] & (1 << y%8);
     } else {
         return 0;
     }
@@ -197,7 +234,7 @@
 
     for(j = 0; j < BANKS; j++) {  // be careful to use correct order (j,i) for horizontal addressing
         for(i = 0; i < WIDTH; i++) {
-            spi->write(buffer[i][j]);  // send buffer
+            spi->write(buffer[i][j][bufferFrameDisplay]);  // send buffer
         }
     }
     sce->write(1); // set CE high to end frame
@@ -211,7 +248,7 @@
     int i,j;
     for(j = 0; j < BANKS; j++) {  // be careful to use correct order (j,i) for horizontal addressing
         for(i = 0; i < WIDTH; i++) {
-            buffer[i][j] = rand()%256;  // generate random byte
+            buffer[i][j][bufferFrameEdit] = rand()%256;  // generate random byte
         }
     }
 
@@ -221,7 +258,7 @@
 void N5110::printChar(char c,int x,int y)
 {
     for (int i = 0; i < 5 ; i++ ) {
-        buffer[x+i][y] = font5x7[(c - 32)*5 + i];
+        buffer[x+i][y][bufferFrameEdit] = font5x7[(c - 32)*5 + i];
         // array is offset by 32 relative to ASCII, each character is 5 pixels wide
     }
 
@@ -238,7 +275,7 @@
         // writes the character bitmap data to the buffer, so that
         // text and pixels can be displayed at the same time
         for (int i = 0; i < 5 ; i++ ) {
-            buffer[x+i+n*6][y] = font5x7[(*str - 32)*5 + i];
+            buffer[x+i+n*6][y][bufferFrameEdit] = font5x7[(*str - 32)*5 + i];
         }
 
         str++;  // go to next character in string
@@ -262,9 +299,33 @@
     int i,j;
     for (i=0; i<WIDTH; i++) {  // loop through the banks and set the buffer to 0
         for (j=0; j<BANKS; j++) {
-            buffer[i][j]=0;
+            buffer[i][j][bufferFrameEdit]=0;
+        }
+    }
+}
+
+// function to write array to buffer
+void N5110::plotArray2d(bool array2d[][HEIGHT])
+{
+    int i,j;
+    for (i=0; i<=WIDTH; i++) {  // loop through the banks and copy data across
+        for (j=0; j<=HEIGHT; j++) {
+            writePixel(i,j,array2d[i][j]);
         }
     }
+    refresh();
+}
+
+// function to write offset 3d array to buffer
+void N5110::plotArray3d(bool array3d[][50][2],int z,int off_x, int off_y)
+{
+    int i,j;
+    for (i=0; i<=WIDTH; i++) {  // loop through the banks and copy data across
+        for (j=0; j<=HEIGHT; j++) {
+            writePixel(i,j,array3d[i-off_x][j-off_y][z]);
+        }
+    }
+    refresh();
 }
 
 // function to plot array on display