Diff: SMARTGPU.cpp

Revision:

0:32fe54a88167

Child:

1:96ed067e95a6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SMARTGPU.cpp	Mon Sep 12 23:23:11 2011 +0000
@@ -0,0 +1,372 @@
+ 
+#include "mbed.h"
+#include "SMARTGPU.h"
+
+Serial SGSERIALPORT(TXpin, RXpin);  //create the serial port which is connected to SMARTGPU serial port
+DigitalOut Rst(resetPin);
+
+// SMART GPU DEFAULT BAUD RATE: 9600bps
+// Mbed default configured port for serial communication with SMARTGPU is p13 for TX, and p14 for RX, Resetpin =p15
+SMARTGPU::SMARTGPU(){    
+    init();
+}
+
+/********** high level commands, for the user! */
+void SMARTGPU::init(){         //configure the mbed for SMARTGPU board    
+    SGSERIALPORT.baud(9600);
+    Rst=1;                     //set the pin to 3.3v to avoid reset 
+}
+ 
+void SMARTGPU::reset(){        //Reset the SMARTGPU board
+    Rst=0;                     //set the pin to GND to reset 
+    wait_ms(500);
+    Rst=1;                     //set the pin to 3.3v to end reset
+    wait_ms(500);    
+}
+
+unsigned char SMARTGPU::start(){           //Init the SMARTGPU
+  wait_ms(500); 
+  SGSERIALPORT.putc('U');  
+  wait_ms(1000);
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::erase(){          //Erase the SMARTGPU screen
+  SGSERIALPORT.putc('E');  
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::sleep(unsigned char mode){       //Send SMARTGPU to sleep mode
+  SGSERIALPORT.putc('Z'); 
+  SGSERIALPORT.putc(mode);
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::orientation(unsigned char side){       //Change display orientation
+  SGSERIALPORT.putc('O'); 
+  SGSERIALPORT.putc(side);
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::bright(unsigned char val){       //Change display brightness
+  SGSERIALPORT.putc('V'); 
+  SGSERIALPORT.putc(val); 
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::baudChange(unsigned long val){       //Change baud rate of arduino and SMARTGPU board
+  unsigned char aux;
+ 
+  switch(val){
+    case 9600:
+      aux=0;
+    break;
+    case 19200:
+      aux=1;
+    break;
+    case 57600:
+      aux=2;
+    break;
+    case 115200:
+      aux=3;
+    break;
+    case 256000:
+      aux=4;
+    break;    
+    case 500000:
+      aux=5;
+    break;
+    case 1000000:
+      aux=6;
+    break;
+    case 2000000:
+      aux=7;
+    break;
+    default:
+      return 'F';
+    break;
+  } 
+  SGSERIALPORT.putc('X');
+  SGSERIALPORT.putc(aux);  
+  aux=SGSERIALPORT.getc();
+  if(aux=='O'){
+    wait_ms(150);
+    SGSERIALPORT.baud(val);
+    wait_ms(200);
+    return SGSERIALPORT.getc();
+  }else{
+    return aux;
+  }
+}
+
+unsigned char SMARTGPU::digitalOut(unsigned char number, unsigned char val ){       //Set Digital out pins to a logic value
+  SGSERIALPORT.putc('D'); 
+  SGSERIALPORT.putc(number);
+  SGSERIALPORT.putc(val); 
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::setScreenBackground(int colour){       //Change the default screen background colour for erase function
+  SGSERIALPORT.putc('B'); 
+  SGSERIALPORT.putc(colour>>8);
+  SGSERIALPORT.putc(colour);  
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::setTextBackground(int colour){       //Set the default text background colour for letters and strings
+  SGSERIALPORT.putc('A'); 
+  SGSERIALPORT.putc(colour>>8);
+  SGSERIALPORT.putc(colour);  
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::memoryRead(int x1, int y1, int x2, int y2, char buffer[]){ //Read the internal memory of the SMARTGPU, This command returns 24bit pixels (3 bytes)
+  unsigned int i,j,k=0;
+  
+  SGSERIALPORT.putc('M'); 
+  SGSERIALPORT.putc(x1>>8); 
+  SGSERIALPORT.putc(x1);
+  SGSERIALPORT.putc(y1>>8);
+  SGSERIALPORT.putc(y1);
+  SGSERIALPORT.putc(x2>>8); 
+  SGSERIALPORT.putc(x2);
+  SGSERIALPORT.putc(y2>>8);
+  SGSERIALPORT.putc(y2); 
+
+  //receive all the pixels
+  for(j=0;j<=(y2-y1);j++){
+    for(i=0;i<=(x2-x1);i++){
+        buffer[k]=SGSERIALPORT.getc(); //Red
+        k++;
+        buffer[k]=SGSERIALPORT.getc(); //Green
+        k++;
+        buffer[k]=SGSERIALPORT.getc(); //Blue
+        k++;
+    }    
+  } 
+  return SGSERIALPORT.getc();  
+}
+
+unsigned char SMARTGPU::putPixel(int x, int y, int colour){       //Draw a pixel on the screen
+  SGSERIALPORT.putc('P'); 
+  SGSERIALPORT.putc(x>>8); 
+  SGSERIALPORT.putc(x);
+  SGSERIALPORT.putc(y>>8);
+  SGSERIALPORT.putc(y);
+  SGSERIALPORT.putc(colour>>8);
+  SGSERIALPORT.putc(colour);
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::drawLine(int x1, int y1, int x2, int y2, int colour){       //Draw a line on the screen
+  SGSERIALPORT.putc('L'); 
+  SGSERIALPORT.putc(x1>>8); 
+  SGSERIALPORT.putc(x1);
+  SGSERIALPORT.putc(y1>>8);
+  SGSERIALPORT.putc(y1);
+  SGSERIALPORT.putc(x2>>8); 
+  SGSERIALPORT.putc(x2);
+  SGSERIALPORT.putc(y2>>8);
+  SGSERIALPORT.putc(y2);  
+  SGSERIALPORT.putc(colour>>8);
+  SGSERIALPORT.putc(colour);
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::drawRectangle(int x1, int y1, int x2, int y2, int colour, unsigned char fill){       //Draw a rectangle on the screen
+  SGSERIALPORT.putc('R'); 
+  SGSERIALPORT.putc(x1>>8); 
+  SGSERIALPORT.putc(x1);
+  SGSERIALPORT.putc(y1>>8);
+  SGSERIALPORT.putc(y1);
+  SGSERIALPORT.putc(x2>>8); 
+  SGSERIALPORT.putc(x2);
+  SGSERIALPORT.putc(y2>>8);
+  SGSERIALPORT.putc(y2);  
+  SGSERIALPORT.putc(colour>>8);
+  SGSERIALPORT.putc(colour);
+  SGSERIALPORT.putc(fill);   
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::drawTriangle(int x1, int y1, int x2, int y2, int x3, int y3, int colour, unsigned char fill){       //Draw a triangle on the screen
+  SGSERIALPORT.putc('T'); 
+  SGSERIALPORT.putc(x1>>8); 
+  SGSERIALPORT.putc(x1);
+  SGSERIALPORT.putc(y1>>8);
+  SGSERIALPORT.putc(y1);
+  SGSERIALPORT.putc(x2>>8); 
+  SGSERIALPORT.putc(x2);
+  SGSERIALPORT.putc(y2>>8);
+  SGSERIALPORT.putc(y2);  
+  SGSERIALPORT.putc(x3>>8); 
+  SGSERIALPORT.putc(x3);
+  SGSERIALPORT.putc(y3>>8);
+  SGSERIALPORT.putc(y3);    
+  SGSERIALPORT.putc(colour>>8);
+  SGSERIALPORT.putc(colour);
+  SGSERIALPORT.putc(fill);   
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::drawCircle(int x, int y, int radius, int colour, unsigned char fill){       //Draw a circle on the screen
+  SGSERIALPORT.putc('C'); 
+  SGSERIALPORT.putc(x>>8); 
+  SGSERIALPORT.putc(x);
+  SGSERIALPORT.putc(y>>8);
+  SGSERIALPORT.putc(y);
+  SGSERIALPORT.putc(radius>>8);
+  SGSERIALPORT.putc(radius);
+  SGSERIALPORT.putc(colour>>8);
+  SGSERIALPORT.putc(colour);
+  SGSERIALPORT.putc(fill);   
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::putLetter(int x, int y, int colour, unsigned char font, unsigned char fill, unsigned char letter){       //Draw a letter on the screen
+  
+  SGSERIALPORT.putc('W'); 
+  SGSERIALPORT.putc(x>>8); 
+  SGSERIALPORT.putc(x);
+  SGSERIALPORT.putc(y>>8);
+  SGSERIALPORT.putc(y);
+  SGSERIALPORT.putc(colour>>8);
+  SGSERIALPORT.putc(colour);
+  SGSERIALPORT.putc(font); 
+  SGSERIALPORT.putc(fill); 
+  SGSERIALPORT.putc(letter);  
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::string(int x1, int y1, int x2, int y2, int colour, unsigned char font, unsigned char fill, char text[]){       //Draw a string on the screen
+  int counter=0;
+  
+  SGSERIALPORT.putc('S'); 
+  SGSERIALPORT.putc('N'); //not SD
+  SGSERIALPORT.putc(x1>>8); 
+  SGSERIALPORT.putc(x1);
+  SGSERIALPORT.putc(y1>>8);
+  SGSERIALPORT.putc(y1);
+  SGSERIALPORT.putc(x2>>8); 
+  SGSERIALPORT.putc(x2);
+  SGSERIALPORT.putc(y2>>8);
+  SGSERIALPORT.putc(y2);  
+  SGSERIALPORT.putc(colour>>8);
+  SGSERIALPORT.putc(colour);
+  SGSERIALPORT.putc(font); 
+  SGSERIALPORT.putc(fill); 
+  while(1){
+    SGSERIALPORT.putc(text[counter]);
+    if(text[counter]==0x00){
+      break;
+    }    
+    counter++;
+  } 
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::stringSD(int x1, int y1, int x2, int y2, int colour, unsigned char font, unsigned char fill, int BS, int BR, char name[]){       //Draw a String from a text file contained on the micro SD card on the screen
+  unsigned char counter=0;
+  
+  SGSERIALPORT.putc('S'); 
+  SGSERIALPORT.putc('S'); //from SD
+  SGSERIALPORT.putc(x1>>8); 
+  SGSERIALPORT.putc(x1);
+  SGSERIALPORT.putc(y1>>8);
+  SGSERIALPORT.putc(y1);
+  SGSERIALPORT.putc(x2>>8); 
+  SGSERIALPORT.putc(x2);
+  SGSERIALPORT.putc(y2>>8);
+  SGSERIALPORT.putc(y2);  
+  SGSERIALPORT.putc(colour>>8);
+  SGSERIALPORT.putc(colour);
+  SGSERIALPORT.putc(font); 
+  SGSERIALPORT.putc(fill); 
+  SGSERIALPORT.putc(BS>>8);
+  SGSERIALPORT.putc(BS);  
+  SGSERIALPORT.putc(BR>>8);
+  SGSERIALPORT.putc(BR);  
+  while(1){
+    SGSERIALPORT.putc(name[counter]);
+    if(name[counter]==0x00){
+      break;
+    }    
+    counter++;
+  }
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::icon(int x1, int y1, int x2, int y2, char icon[]){            //Send and image or icon pixel by pixel to SMARTGPU, 16bit(2 bytes) each pixel RGB565
+  unsigned int i,j,k=0; 
+  
+  SGSERIALPORT.putc('I'); 
+  SGSERIALPORT.putc('N'); //not SD
+  SGSERIALPORT.putc(x1>>8); 
+  SGSERIALPORT.putc(x1);
+  SGSERIALPORT.putc(y1>>8);
+  SGSERIALPORT.putc(y1);
+  SGSERIALPORT.putc(x2>>8); 
+  SGSERIALPORT.putc(x2);
+  SGSERIALPORT.putc(y2>>8);
+  SGSERIALPORT.putc(y2);
+  
+  //Send icon buffer pixel by pixel
+  for(j=0;j<=(y2-y1);j++){
+    for(i=0;i<=(x2-x1);i++){
+        SGSERIALPORT.putc(icon[k]);
+        k++;
+    }
+  } 
+  return SGSERIALPORT.getc();  
+}
+
+unsigned char SMARTGPU::imageSD(int x, int y, char name[]){        //Draw an Image contained on the micro SD card on the screen, top left corner coordinates
+  unsigned char counter=0;
+  
+  SGSERIALPORT.putc('I'); 
+  SGSERIALPORT.putc('S'); //from SD
+  SGSERIALPORT.putc(x>>8); 
+  SGSERIALPORT.putc(x);
+  SGSERIALPORT.putc(y>>8);
+  SGSERIALPORT.putc(y);
+  while(1){
+    SGSERIALPORT.putc(name[counter]);
+    if(name[counter]==0x00){
+      break;
+    }    
+    counter++;
+  }
+  return SGSERIALPORT.getc();
+}
+
+unsigned char SMARTGPU::touchScreen(int buffer[]){          //Ask for a touch on the screen, if return=1, touch coordinates are stored on the buffer[]
+  
+  SGSERIALPORT.putc('G');
+  buffer[0]=SGSERIALPORT.getc();
+  buffer[0]=buffer[0]<<8;
+  buffer[0]|=SGSERIALPORT.getc();
+  buffer[1]=SGSERIALPORT.getc();
+  buffer[1]=buffer[1]<<8;
+  buffer[1]|=SGSERIALPORT.getc();
+  SGSERIALPORT.getc();  
+  if(buffer[0]<0x0200){
+    return 1;
+  }else{
+    return 0;
+  }
+}
+
+unsigned char SMARTGPU::touchIcon(char buffer[]){          //Ask for a touch on the icons of the screen, if return=1, icon name is stored on the buffer[]
+  
+  SGSERIALPORT.putc('G');
+  buffer[0]=SGSERIALPORT.getc();
+  buffer[1]=SGSERIALPORT.getc();
+  buffer[2]=SGSERIALPORT.getc();
+  buffer[3]=SGSERIALPORT.getc();
+  SGSERIALPORT.getc();  
+  if(!(buffer[0]<0x02) & (buffer[0]!=0x4E)){
+    return 1;
+  }else{
+    return 0;
+  }
+}