Diff: mbedboy.hpp

Revision:

1:c53e766082b4

Child:

2:e3ef9f476913

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbedboy.hpp	Fri Jan 06 22:10:20 2017 +0000
@@ -0,0 +1,113 @@
+#include "abstractarduboy.h"
+
+SPI _spi(p30, p31, p29); // mosi, miso, sclk
+
+DigitalOut _cs(p3);
+DigitalOut _dc(p28);
+DigitalOut _rst(p4);
+
+class MbedBoy : public AbstractArduboy, Stream
+{
+  public:
+    MbedBoy(){};
+
+    void start()
+    {
+        // init SPI
+        _spi.format(8,3);
+        _spi.frequency(1000000);
+        
+        // init pin LCD
+        _dc = 0;
+        _cs = 0;
+        _rst = 1;
+        wait_ms(1);
+        _rst = 0;
+        wait_ms(10);
+        _rst = 1;
+        
+        bootLCD();
+    }
+    
+    long getTime()
+    {
+        return time(NULL);
+    }
+    
+    void drawScreen(const unsigned char *image)
+    {
+          for (int i = 0; i < (HEIGHT*WIDTH)/8; i++)
+          {
+            _spi.write(image[i]);
+          } 
+    }
+    
+    uint8_t getInput()
+    {
+    
+    }
+
+    void LCDCommandMode()
+    {
+        _cs = 1;
+        _dc = 0;
+        _cs = 0;
+    }
+
+    void LCDDataMode()
+    {
+        _dc = 1;
+        _cs = 0;
+    }
+    
+    void bootLCD()
+    {
+      LCDCommandMode();
+      _spi.write(0xAE);  // Display Off
+      _spi.write(0XD5);  // Set Display Clock Divisor v
+      _spi.write(0xF0);  //   0x80 is default
+      _spi.write(0xA8);  // Set Multiplex Ratio v
+      _spi.write(0x3F);
+      _spi.write(0xD3);  // Set Display Offset v
+      _spi.write(0x0);
+      _spi.write(0x40);  // Set Start Line (0)
+      _spi.write(0x8D);  // Charge Pump Setting v
+      _spi.write(0x14);  //   Enable
+      // why are we running this next pair twice?
+      _spi.write(0x20);  // Set Memory Mode v
+      _spi.write(0x00);  //   Horizontal Addressing
+      _spi.write(0xA1);  // Set Segment Re-map (A0) | (b0001)
+      _spi.write(0xC8);  // Set COM Output Scan Direction
+      _spi.write(0xDA);  // Set COM Pins v
+      _spi.write(0x12);
+      _spi.write(0x81);  // Set Contrast v
+      _spi.write(0xCF);
+      _spi.write(0xD9);  // Set Precharge
+      _spi.write(0xF1);
+      _spi.write(0xDB);  // Set VCom Detect
+      _spi.write(0x40);
+      _spi.write(0xA4);  // Entire Display ON
+      _spi.write(0xA6);  // Set normal/inverse display
+      _spi.write(0xAF);  // Display On
+    
+      LCDCommandMode();
+      _spi.write(0x20);     // set display mode
+      _spi.write(0x00);     // horizontal addressing mode
+    
+      _spi.write(0x21);     // set col address
+      _spi.write(0x00);
+      _spi.write(COLUMN_ADDRESS_END);
+    
+      _spi.write(0x22); // set page address
+      _spi.write(0x00);
+      _spi.write(PAGE_ADDRESS_END);
+    
+      LCDDataMode();
+    }
+
+    // Stream implementation - provides printf() interface
+    // You would otherwise be forced to use writeChar()
+    virtual int _putc(int value) { return writeChar(value); };
+    virtual int _getc() { return -1; };
+
+};
\ No newline at end of file