Diff: main.cpp

Revision:

3:3a1d18ae2319

Parent:

0:15ddb7c389c5

--- a/main.cpp	Tue Jun 23 17:08:00 2015 +0000
+++ b/main.cpp	Tue Jun 23 17:39:01 2015 +0000
@@ -1,34 +1,250 @@
+/*********************************************************************
+This is an example sketch for our Monochrome SHARP Memory Displays
+
+  Pick one up today in the adafruit shop!
+  ------> http://www.adafruit.com/products/1393
+
+These displays use SPI to communicate, 3 pins are required to  
+interface
+
+Adafruit invests time and resources providing this open source code, 
+please support Adafruit and open-source hardware by purchasing 
+products from Adafruit!
+
+Written by Limor Fried/Ladyada  for Adafruit Industries.  
+BSD license, check license.txt for more information
+All text above, and the splash screen must be included in any redistribution
+*********************************************************************/
+
+ /*
+  *  Modified by Marc PLOUHINEC 23/06/2015 for use in mbed
+  */
+
+#include <algorithm>
 #include "mbed.h"
 #include "Adafruit_SharpMem.h"
 
-DigitalOut myled(LED1);
+// any pins can be used
+#define ENABLE p16
+#define CS p15
+#define MOSI p14
+#define MISO p17
+#define SCLK p13
+
+Adafruit_SharpMem display(ENABLE, CS, MOSI, MISO, SCLK);
 
-Adafruit_SharpMem lcd(p16, p15, p14, p17, p13);
+// Functions defined after main()
+void testdrawchar(void);
+void testdrawcircle(void);
+void testfillrect(void);
+void testdrawtriangle(void);
+void testfilltriangle(void);
+void testdrawroundrect(void);
+void testfillroundrect(void); 
+void testdrawrect(void);
+void testdrawline();
 
 int main() {
-    // See https://github.com/adafruit/Adafruit_SHARP_Memory_Display
-    // See https://github.com/adafruit/Adafruit-GFX-Library
-    // See https://developer.mbed.org/users/peu605/code/Adafruit-GFX-Library/
-    // See https://developer.mbed.org/users/rgrover1/code/SharpLCD/
-    // See https://developer.mbed.org/teams/EIC_mbed/code/Adafruit-GFX/
+    // start & clear the display
+    display.begin();
+    display.setRotation(0);
+    display.enableDisplay();
+    display.clearDisplay();
+    
+    // draw a single pixel
+    display.drawPixel(10, 10, BLACK);
+    display.refresh();
+    wait_ms(500);
+    display.clearDisplay();
+    
+    // draw many lines
+    testdrawline();
+    wait_ms(500);
+    display.clearDisplay();
+    
+    // draw rectangles
+    testdrawrect();
+    wait_ms(500);
+    display.clearDisplay();
+    
+    // draw multiple rectangles
+    testfillrect();
+    display.refresh();
+    wait_ms(500);
+    display.clearDisplay();
+    
+    // draw a circle, 10 pixel radius
+    display.fillCircle(display.width()/2, display.height()/2, 10, BLACK);
+    display.refresh();
+    wait_ms(500);
+    display.clearDisplay();
     
-    lcd.begin();
-    lcd.setRotation(0);
-    lcd.enableDisplay();
-    lcd.clearDisplay();
-    lcd.setCursor(10, 30);
-    lcd.setTextSize(1);
-    lcd.setTextColor(BLACK);
-    lcd.printf("Test\n");
+    testdrawroundrect();
+    display.refresh();  
+    wait_ms(500);
+    display.clearDisplay();
+    
+    testfillroundrect();
+    display.refresh();
+    wait_ms(500);
+    display.clearDisplay();
+    
+    testdrawtriangle();
+    display.refresh();
+    wait_ms(500);
+    display.clearDisplay();
     
-    lcd.drawLine(0, 0, 5, 5, BLACK);
-    lcd.fillRect(10, 40, 60, 30, BLACK);
-    lcd.fillRect(15, 45, 60, 30, WHITE);
-    lcd.refresh();
+    testfilltriangle();
+    display.refresh();
+    wait_ms(500);
+    display.clearDisplay();
+    
+    // draw the first ~12 characters in the font
+    testdrawchar();
+    display.refresh();
+    wait_ms(2000);
+    display.clearDisplay();
+    
+    // text display tests
+    display.setTextSize(1);
+    display.setTextColor(BLACK);
+    display.setCursor(0,0);
+    display.printf("Hello, world!\n");
+    display.setTextColor(WHITE, BLACK); // 'inverted' text
+    display.printf("%d\n", 3.141592);
+    display.setTextSize(2);
+    display.setTextColor(BLACK);
+    display.printf("0x%08x\n");
+    display.refresh();
+    wait_ms(2000);
     
     while(1) {
-        myled = myled == 1 ? 0 : 1;
-        wait(0.2);
+        // Screen must be refreshed at least once per second
+        display.refresh();
+        wait_ms(500);
     }
     
+}
+
+///
+
+void testdrawchar(void) {
+    display.setTextSize(1);
+    display.setTextColor(BLACK);
+    display.setCursor(0,0);
+    
+    for (uint8_t i=0; i < 168; i++) {
+        if (i == '\n') continue;
+        display.putc(i);
+        //if ((i > 0) && (i % 14 == 0))
+        //display.println();
+    }    
+    display.refresh();
+}
+
+void testdrawcircle(void) {
+    for (uint8_t i=0; i<display.height(); i+=2) {
+        display.drawCircle(display.width()/2-5, display.height()/2-5, i, BLACK);
+        display.refresh();
+    }
+}
+
+void testfillrect(void) {
+    uint8_t color = 1;
+    for (uint8_t i=0; i<display.height()/2; i+=3) {
+        // alternate colors
+        display.fillRect(i, i, display.width()-i*2, display.height()-i*2, color%2);
+        display.refresh();
+        color++;
+    }
+}
+
+void testdrawtriangle(void) {
+    for (uint16_t i=0; i<min(display.width(),display.height())/2; i+=5) {
+        display.drawTriangle(display.width()/2, display.height()/2-i,
+            display.width()/2-i, display.height()/2+i,
+            display.width()/2+i, display.height()/2+i, BLACK);
+        display.refresh();
+    }
+}
+
+void testfilltriangle(void) {
+    uint8_t color = BLACK;
+    for (int16_t i=min(display.width(),display.height())/2; i>0; i-=5) {
+        display.fillTriangle(display.width()/2, display.height()/2-i,
+            display.width()/2-i, display.height()/2+i,
+            display.width()/2+i, display.height()/2+i, color);
+        if (color == WHITE) color = BLACK;
+        else color = WHITE;
+        display.refresh();
+    }
+}
+
+void testdrawroundrect(void) {
+    for (uint8_t i=0; i<display.height()/4; i+=2) {
+        display.drawRoundRect(i, i, display.width()-2*i, display.height()-2*i, display.height()/4, BLACK);
+        display.refresh();
+    }
+}
+
+void testfillroundrect(void) {
+    uint8_t color = BLACK;
+    for (uint8_t i=0; i<display.height()/4; i+=2) {
+        display.fillRoundRect(i, i, display.width()-2*i, display.height()-2*i, display.height()/4, color);
+        if (color == WHITE) color = BLACK;
+        else color = WHITE;
+        display.refresh();
+    }
+}
+   
+void testdrawrect(void) {
+    for (uint8_t i=0; i<display.height()/2; i+=2) {
+        display.drawRect(i, i, display.width()-2*i, display.height()-2*i, BLACK);
+        display.refresh();
+    }
+}
+
+void testdrawline() {  
+    for (uint8_t i=0; i<display.width(); i+=4) {
+        display.drawLine(0, 0, i, display.height()-1, BLACK);
+        display.refresh();
+    }
+    for (uint8_t i=0; i<display.height(); i+=4) {
+        display.drawLine(0, 0, display.width()-1, i, BLACK);
+        display.refresh();
+    }
+    wait_ms(250);
+    
+    display.clearDisplay();
+    for (uint8_t i=0; i<display.width(); i+=4) {
+        display.drawLine(0, display.height()-1, i, 0, BLACK);
+        display.refresh();
+    }
+    for (int8_t i=display.height()-1; i>=0; i-=4) {
+        display.drawLine(0, display.height()-1, display.width()-1, i, BLACK);
+        display.refresh();
+    }
+    wait_ms(250);
+    
+    display.clearDisplay();
+    for (int8_t i=display.width()-1; i>=0; i-=4) {
+        display.drawLine(display.width()-1, display.height()-1, i, 0, BLACK);
+        display.refresh();
+    }
+    for (int8_t i=display.height()-1; i>=0; i-=4) {
+        display.drawLine(display.width()-1, display.height()-1, 0, i, BLACK);
+        display.refresh();
+    }
+    wait_ms(250);
+    
+    display.clearDisplay();
+    for (uint8_t i=0; i<display.height(); i+=4) {
+        display.drawLine(display.width()-1, 0, 0, i, BLACK);
+        display.refresh();
+    }
+    for (uint8_t i=0; i<display.width(); i+=4) {
+        display.drawLine(display.width()-1, 0, i, display.height()-1, BLACK); 
+        display.refresh();
+    }
+    wait_ms(250);
 }
\ No newline at end of file