Mini SmartGPU Intelligent Graphics Processor. Mbed library Rev1.0 Vizic Technologies 2012 http://vizictechnologies.com/#/mini-smart-gpu/4566376187

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Revision:
0:1c3989d263f4
Child:
1:83a75a056cfa
diff -r 000000000000 -r 1c3989d263f4 MINISMARTGPU.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MINISMARTGPU.cpp	Tue Aug 28 01:40:19 2012 +0000
@@ -0,0 +1,436 @@
+ /*********************************************************
+VIZIC TECHNOLOGIES. COPYRIGHT 2012.
+THE DATASHEETS, SOFTWARE AND LIBRARIES ARE PROVIDED "AS IS." 
+VIZIC EXPRESSLY DISCLAIM ANY WARRANTY OF ANY KIND, WHETHER 
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO, THE IMPLIED 
+WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
+OR NONINFRINGEMENT. IN NO EVENT SHALL VIZIC BE LIABLE FOR 
+ANY INCIDENTAL, SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES, 
+LOST PROFITS OR LOST DATA, HARM TO YOUR EQUIPMENT, COST OF 
+PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR SERVICES, 
+ANY CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO 
+ANY DEFENCE THEREOF), ANY CLAIMS FOR INDEMNITY OR CONTRIBUTION,
+OR OTHER SIMILAR COSTS.
+*********************************************************/
+
+#include "mbed.h"
+#include "MINISMARTGPU.h"
+        
+// MINI SMART GPU DEFAULT BAUD RATE: 9600bps
+//It shoud be used like this : MINISMARTGPU lcd(p13,p14,p15); for serial communication with MINISMARTGPU
+MINISMARTGPU::MINISMARTGPU(PinName TXPin, PinName RXPin, PinName resetPin): _serialMINISMARTGPU(TXPin,RXPin), _resetPin(resetPin){    
+    init();
+}
+
+/********** high level commands, for the user! */
+void MINISMARTGPU::init(){         //configure the mbed for MINISMARTGPU board    
+    _serialMINISMARTGPU.baud(9600);
+    _resetPin=1;               //set the pin to 3.3v to avoid reset 
+}
+ 
+void MINISMARTGPU::reset(){        //Reset the MINISMARTGPU board
+    _resetPin=0;               //set the pin to GND to reset 
+    wait_ms(500);
+    _resetPin=1;               //set the pin to 3.3v to end reset
+    wait_ms(500);    
+
+}
+
+unsigned char MINISMARTGPU::start(){           //Init the MINISMARTGPU
+  wait_ms(500); 
+  _serialMINISMARTGPU.putc('U');  
+  wait_ms(1500);
+  return _serialMINISMARTGPU.getc();
+
+}
+
+unsigned char MINISMARTGPU::erase(){          //Erase the MINISMARTGPU screen
+  _serialMINISMARTGPU.putc('E');  
+  return _serialMINISMARTGPU.getc();
+
+}
+
+unsigned char MINISMARTGPU::sleep(unsigned char mode){       //Send MINISMARTGPU to sleep mode
+  _serialMINISMARTGPU.putc('Z'); 
+  _serialMINISMARTGPU.putc(mode);
+  return _serialMINISMARTGPU.getc();
+
+}
+
+unsigned char MINISMARTGPU::orientation(unsigned char side){       //Change display orientation
+  _serialMINISMARTGPU.putc('O'); 
+  _serialMINISMARTGPU.putc(side);
+  return _serialMINISMARTGPU.getc();
+
+}
+
+unsigned char MINISMARTGPU::bright(unsigned char val){       //Change display brightness
+  _serialMINISMARTGPU.putc('V'); 
+  _serialMINISMARTGPU.putc(val); 
+  return _serialMINISMARTGPU.getc();
+
+}
+
+unsigned char MINISMARTGPU::baudChange(unsigned long val){       //Change baud rate of mbed 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';
+
+  } 
+  _serialMINISMARTGPU.putc('X');
+  _serialMINISMARTGPU.putc(aux);  
+  aux=_serialMINISMARTGPU.getc();
+
+  if(aux=='O'){
+    wait_ms(150);
+    _serialMINISMARTGPU.baud(val);
+    wait_ms(200);
+    return _serialMINISMARTGPU.getc();
+  }else{
+    return aux;
+  }
+}
+
+unsigned char MINISMARTGPU::setScreenBackground(int colour){       //Change the default screen background colour for erase function
+  _serialMINISMARTGPU.putc('B'); 
+  _serialMINISMARTGPU.putc(colour>>8);
+  _serialMINISMARTGPU.putc(colour);  
+  return _serialMINISMARTGPU.getc();
+  
+}
+
+unsigned char MINISMARTGPU::setTextBackground(int colour){       //Set the default text background colour for letters and strings
+  _serialMINISMARTGPU.putc('A'); 
+  _serialMINISMARTGPU.putc(colour>>8);
+  _serialMINISMARTGPU.putc(colour);  
+  return _serialMINISMARTGPU.getc();
+
+}
+
+unsigned char MINISMARTGPU::memoryRead(unsigned char x1, unsigned char y1, unsigned char x2, unsigned char y2, char buffer[]){ //Read the internal memory of the MINISMARTGPU, This command returns 24bit pixels (3 bytes)
+  unsigned int i,j,k=0;
+  
+  _serialMINISMARTGPU.putc('M'); 
+  _serialMINISMARTGPU.putc(x1);
+  _serialMINISMARTGPU.putc(y1);
+  _serialMINISMARTGPU.putc(x2);
+  _serialMINISMARTGPU.putc(y2); 
+
+  //receive all the pixels
+  for(j=0;j<=(y2-y1);j++){
+    for(i=0;i<=(x2-x1);i++){
+        buffer[k]=_serialMINISMARTGPU.getc(); //Red
+        k++;
+        buffer[k]=_serialMINISMARTGPU.getc(); //Green
+        k++;
+        buffer[k]=_serialMINISMARTGPU.getc(); //Blue
+        k++;
+    }    
+  } 
+  return _serialMINISMARTGPU.getc();  
+
+}
+
+unsigned char MINISMARTGPU::putPixel(unsigned char x, unsigned char y, int colour){       //Draw a pixel on the screen
+  _serialMINISMARTGPU.putc('P'); 
+  _serialMINISMARTGPU.putc(x);
+  _serialMINISMARTGPU.putc(y);
+  _serialMINISMARTGPU.putc(colour>>8);
+  _serialMINISMARTGPU.putc(colour);
+  return _serialMINISMARTGPU.getc();
+
+}
+
+unsigned char MINISMARTGPU::drawLine(unsigned char x1, unsigned char y1, unsigned char x2, unsigned char y2, int colour){       //Draw a line on the screen
+  _serialMINISMARTGPU.putc('L'); 
+  _serialMINISMARTGPU.putc(x1);
+  _serialMINISMARTGPU.putc(y1);
+  _serialMINISMARTGPU.putc(x2);
+  _serialMINISMARTGPU.putc(y2);  
+  _serialMINISMARTGPU.putc(colour>>8);
+  _serialMINISMARTGPU.putc(colour);
+  return _serialMINISMARTGPU.getc();
+
+}
+
+unsigned char MINISMARTGPU::drawRectangle(unsigned char x1, unsigned char y1, unsigned char x2, unsigned char y2, int colour, unsigned char fill){       //Draw a rectangle on the screen
+  _serialMINISMARTGPU.putc('R');  
+  _serialMINISMARTGPU.putc(x1);
+  _serialMINISMARTGPU.putc(y1);
+  _serialMINISMARTGPU.putc(x2);
+  _serialMINISMARTGPU.putc(y2);  
+  _serialMINISMARTGPU.putc(colour>>8);
+  _serialMINISMARTGPU.putc(colour);
+  _serialMINISMARTGPU.putc(fill);   
+  return _serialMINISMARTGPU.getc();
+
+}
+
+unsigned char MINISMARTGPU::drawTriangle(unsigned char x1, unsigned char y1, unsigned char x2, unsigned char y2, unsigned char x3, unsigned char y3, int colour, unsigned char fill){       //Draw a triangle on the screen
+  _serialMINISMARTGPU.putc('T'); 
+  _serialMINISMARTGPU.putc(x1);
+  _serialMINISMARTGPU.putc(y1);
+  _serialMINISMARTGPU.putc(x2);
+  _serialMINISMARTGPU.putc(y2);  
+  _serialMINISMARTGPU.putc(x3);
+  _serialMINISMARTGPU.putc(y3);    
+  _serialMINISMARTGPU.putc(colour>>8);
+  _serialMINISMARTGPU.putc(colour);
+  _serialMINISMARTGPU.putc(fill);   
+  return _serialMINISMARTGPU.getc();
+
+}
+
+unsigned char MINISMARTGPU::drawCircle(unsigned char x, unsigned char y, unsigned char radius, int colour, unsigned char fill){       //Draw a circle on the screen
+  _serialMINISMARTGPU.putc('C'); 
+  _serialMINISMARTGPU.putc(x);
+  _serialMINISMARTGPU.putc(y);
+  _serialMINISMARTGPU.putc(radius);
+  _serialMINISMARTGPU.putc(colour>>8);
+  _serialMINISMARTGPU.putc(colour);
+  _serialMINISMARTGPU.putc(fill);   
+  return _serialMINISMARTGPU.getc();
+  
+}
+
+unsigned char MINISMARTGPU::putLetter(unsigned char x, unsigned char y, int colour, unsigned char font, unsigned char fill, unsigned char letter){       //Draw a letter on the screen
+  _serialMINISMARTGPU.putc('W'); 
+  _serialMINISMARTGPU.putc(x);
+  _serialMINISMARTGPU.putc(y);
+  _serialMINISMARTGPU.putc(colour>>8);
+  _serialMINISMARTGPU.putc(colour);
+  _serialMINISMARTGPU.putc(font); 
+  _serialMINISMARTGPU.putc(fill); 
+  _serialMINISMARTGPU.putc(letter);  
+  return _serialMINISMARTGPU.getc();
+
+}
+
+unsigned char MINISMARTGPU::string(unsigned char x1, unsigned char y1, unsigned char x2, unsigned char y2, int colour, unsigned char font, unsigned char fill, char text[]){       //Draw a string on the screen
+  int counter=0;
+  
+  _serialMINISMARTGPU.putc('S'); 
+  _serialMINISMARTGPU.putc('N'); //not SD
+  _serialMINISMARTGPU.putc(x1);
+  _serialMINISMARTGPU.putc(y1);
+  _serialMINISMARTGPU.putc(x2);
+  _serialMINISMARTGPU.putc(y2);  
+  _serialMINISMARTGPU.putc(colour>>8);
+  _serialMINISMARTGPU.putc(colour);
+  _serialMINISMARTGPU.putc(font); 
+  _serialMINISMARTGPU.putc(fill); 
+  while(1){
+    _serialMINISMARTGPU.putc(text[counter]);
+    if(text[counter]==0x00){
+      break;
+    }    
+    counter++;
+  } 
+  return _serialMINISMARTGPU.getc();
+
+}
+
+unsigned char MINISMARTGPU::stringSD(unsigned char x1, unsigned char y1, unsigned char x2, unsigned char 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;
+  
+  _serialMINISMARTGPU.putc('S'); 
+  _serialMINISMARTGPU.putc('S'); //from SD
+  _serialMINISMARTGPU.putc(x1);
+  _serialMINISMARTGPU.putc(y1);
+  _serialMINISMARTGPU.putc(x2);
+  _serialMINISMARTGPU.putc(y2);  
+  _serialMINISMARTGPU.putc(colour>>8);
+  _serialMINISMARTGPU.putc(colour);
+  _serialMINISMARTGPU.putc(font); 
+  _serialMINISMARTGPU.putc(fill); 
+  _serialMINISMARTGPU.putc(BS>>8);
+  _serialMINISMARTGPU.putc(BS);  
+  _serialMINISMARTGPU.putc(BR>>8);
+  _serialMINISMARTGPU.putc(BR);  
+  while(1){
+    _serialMINISMARTGPU.putc(name[counter]);
+    if(name[counter]==0x00){
+      break;
+    }    
+    counter++;
+  }
+  return _serialMINISMARTGPU.getc();
+
+}
+
+unsigned char MINISMARTGPU::icon(unsigned char x1, unsigned char y1, unsigned char x2, unsigned char y2, char icon[]){            //Send and image or icon pixel by pixel to MINISMARTGPU, 16bit(2 bytes) each pixel RGB565
+  unsigned int i,j,k=0; 
+  
+  _serialMINISMARTGPU.putc('I'); 
+  _serialMINISMARTGPU.putc('N'); //not SD
+  _serialMINISMARTGPU.putc(x1);
+  _serialMINISMARTGPU.putc(y1);
+  _serialMINISMARTGPU.putc(x2);
+  _serialMINISMARTGPU.putc(y2);
+  
+  //Send icon buffer pixel by pixel
+  for(j=0;j<=(y2-y1);j++){
+    for(i=0;i<=(x2-x1);i++){
+        _serialMINISMARTGPU.putc(icon[k]);
+        k++;
+    }
+  } 
+  return _serialMINISMARTGPU.getc();  
+
+}
+
+unsigned char MINISMARTGPU::imageSD(unsigned char x, unsigned char y, char name[]){        //Draw an Image contained on the micro SD card on the screen, top left corner coordinates
+  unsigned char counter=0;
+  
+  _serialMINISMARTGPU.putc('I'); 
+  _serialMINISMARTGPU.putc('S'); //from SD
+  _serialMINISMARTGPU.putc(x>>8); 
+  _serialMINISMARTGPU.putc(x);
+  _serialMINISMARTGPU.putc(y>>8);
+  _serialMINISMARTGPU.putc(y);
+  
+  while(1){
+    _serialMINISMARTGPU.putc(name[counter]);
+    if(name[counter]==0x00){
+      break;
+    }    
+    counter++;
+  }
+  return _serialMINISMARTGPU.getc();
+
+}
+
+/****************************************************************/
+//Those next functions return file execution status instead of ACK 'O' or NAK 'F'
+/****************************************************************/
+
+unsigned char MINISMARTGPU::SDfopen(unsigned char mode, char name[]){
+  unsigned char counter=0;
+  unsigned char aux = 0;
+  
+  wait_ms(1);
+  _serialMINISMARTGPU.putc('F'); //memory card file management
+  _serialMINISMARTGPU.putc('O'); //file open
+  _serialMINISMARTGPU.putc(mode);
+  while(1){
+	_serialMINISMARTGPU.putc(name[counter]);
+    if(name[counter]==0x00){
+      break;
+	}	
+	counter++;
+  }
+  aux= _serialMINISMARTGPU.getc();   //Get FAT result
+  _serialMINISMARTGPU.getc();        //Discard 'O' or 'F'
+  return aux;                        //Return FAT result
+}
+
+unsigned char MINISMARTGPU::SDfclose(){
+  unsigned char aux = 0;
+
+  wait_ms(5);
+  _serialMINISMARTGPU.putc('F'); //memory card file management
+  _serialMINISMARTGPU.putc('C'); //file close
+  
+  aux= _serialMINISMARTGPU.getc();   //Get FAT result
+  _serialMINISMARTGPU.getc();        //Discard 'O' or 'F'
+  return aux;                        //Return FAT result
+}
+
+unsigned char MINISMARTGPU::SDfsync(){
+  unsigned char aux = 0;
+  
+  _serialMINISMARTGPU.putc('F'); //memory card file management
+  _serialMINISMARTGPU.putc('S'); //file sync
+
+  aux= _serialMINISMARTGPU.getc();   //Get FAT result
+  _serialMINISMARTGPU.getc();        //Discard 'O' or 'F'
+  return aux;                        //Return FAT result
+}
+
+unsigned char MINISMARTGPU::SDfpointer(unsigned long position){
+  unsigned char aux = 0;
+  
+  _serialMINISMARTGPU.putc('F'); //memory card file management
+  _serialMINISMARTGPU.putc('P'); //file sync
+  _serialMINISMARTGPU.putc(position>>24);
+  _serialMINISMARTGPU.putc(position>>16);
+  _serialMINISMARTGPU.putc(position>>8);
+  _serialMINISMARTGPU.putc(position);
+  
+  aux= _serialMINISMARTGPU.getc();   //Get FAT result
+  _serialMINISMARTGPU.getc();        //Discard 'O' or 'F'
+  return aux;                        //Return FAT result 
+}	
+
+unsigned char MINISMARTGPU::SDfread(unsigned int BTR, char buffer[], unsigned int *SRB){ //Bytes to Read, Read Buffer, Succesfully Readed Bytes
+  unsigned char aux = 0;
+  unsigned int x=0, sr=0;
+
+  _serialMINISMARTGPU.putc('F'); //memory card file management
+  _serialMINISMARTGPU.putc('R'); //file read
+  _serialMINISMARTGPU.putc(BTR>>8);
+  _serialMINISMARTGPU.putc(BTR);  
+  for(x=0;x<BTR;x++){
+	buffer[x]=_serialMINISMARTGPU.getc();
+  }
+  sr=_serialMINISMARTGPU.getc();
+  sr=sr<<8;
+  sr|=_serialMINISMARTGPU.getc();
+ 
+  aux= _serialMINISMARTGPU.getc();   //Get FAT result
+  _serialMINISMARTGPU.getc();        //Discard 'O' or 'F'
+  *SRB = sr;
+  return aux;                        //Return FAT result
+}	
+
+unsigned char MINISMARTGPU::SDfwrite(unsigned int BTW, char buffer[], unsigned int *SWB){ //Bytes to Write, Write Buffer, Succesfully Written Bytes
+  unsigned char aux = 0;
+  unsigned int x=0, sw=0;
+  
+  wait_ms(1);
+  if(BTW>512){       //Mini SmartGPU accept to write more than 512 bytes, however this is not recommended, remove this IF for fully write support
+	aux = 19;        //Invalid Parameter == 19
+  }else{
+	_serialMINISMARTGPU.putc('F'); //memory card file management
+	_serialMINISMARTGPU.putc('W'); //file write
+	_serialMINISMARTGPU.putc(BTW>>8);
+	_serialMINISMARTGPU.putc(BTW);    
+	for(x=0;x<BTW;x++){
+		_serialMINISMARTGPU.putc(buffer[x]);
+	}
+	sw=_serialMINISMARTGPU.getc();
+	sw=sw<<8;
+	sw|=_serialMINISMARTGPU.getc();
+ 
+	aux= _serialMINISMARTGPU.getc();   //Get FAT result
+	_serialMINISMARTGPU.getc();        //Discard 'O' or 'F'
+	*SWB = sw;  
+  }
+  return aux;           //Return FAT result   
+}