Vizic Technologies / Mbed 2 deprecated EEPROM_SG2

EEPROM Demo - MBED + SmartGPU2 board

Dependencies:   SMARTGPU2 mbed

main.cpp@0:1e62f3fc1154, 2013-07-10 (annotated)

Committer:
emmanuelchio
Date:
Wed Jul 10 03:26:57 2013 +0000
Revision:
0:1e62f3fc1154
Child:
1:ccc3b08131c8
EEPROM Demo - MBED + SmartGPU2 board

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emmanuelchio 0:1e62f3fc1154 1 /**************************************************************************************/
emmanuelchio 0:1e62f3fc1154 2 /*SMARTGPU2 intelligent embedded graphics processor unit
emmanuelchio 0:1e62f3fc1154 3 those examples are for use the SMARTGPU2 with the mbed microcontoller, just connect tx,rx,and reset
emmanuelchio 0:1e62f3fc1154 4 Board:
emmanuelchio 0:1e62f3fc1154 5 http://vizictechnologies.com/#/smart-gpu-2/4577779046
emmanuelchio 0:1e62f3fc1154 6
emmanuelchio 0:1e62f3fc1154 7 www.vizictechnologies.com
emmanuelchio 0:1e62f3fc1154 8 Vizic Technologies copyright 2013 */
emmanuelchio 0:1e62f3fc1154 9 /**************************************************************************************/
emmanuelchio 0:1e62f3fc1154 10
emmanuelchio 0:1e62f3fc1154 11 /********************************************************
emmanuelchio 0:1e62f3fc1154 12 This simple sketch does the next:
emmanuelchio 0:1e62f3fc1154 13 1.- init/Clear EEPROM buffer with 0xFF - EEPROM buffer size is 2048 (2k)
emmanuelchio 0:1e62f3fc1154 14 2.- write data 10 times to EEPROM buffer "0123456789"
emmanuelchio 0:1e62f3fc1154 15 3.- compare EEPROM buffer contents with EEPROM PAGE0, if equal go to step 7, if not continue to step 4
emmanuelchio 0:1e62f3fc1154 16 4.- erase EEPROM PAGE0
emmanuelchio 0:1e62f3fc1154 17 5.- save current EEPROM buffer contents(100 x "0123456789") to EEPROM PAGE0
emmanuelchio 0:1e62f3fc1154 18 6.- compare again EEPROM buffer contents with EEPROM PAGE0
emmanuelchio 0:1e62f3fc1154 19 7.- show results on display
emmanuelchio 0:1e62f3fc1154 20 8.- end
emmanuelchio 0:1e62f3fc1154 21
emmanuelchio 0:1e62f3fc1154 22 - once executed the above, remove power from SmartGPU and run sketch again, EEPROM contents will remain as they are non-volatile data
emmanuelchio 0:1e62f3fc1154 23 ********************************************************/
emmanuelchio 0:1e62f3fc1154 24
emmanuelchio 0:1e62f3fc1154 25 #include "mbed.h"
emmanuelchio 0:1e62f3fc1154 26 #include "SMARTGPU2.h"
emmanuelchio 0:1e62f3fc1154 27
emmanuelchio 0:1e62f3fc1154 28 SMARTGPU2 lcd(TXPIN,RXPIN,RESETPIN); //create our object called "lcd"
emmanuelchio 0:1e62f3fc1154 29
emmanuelchio 0:1e62f3fc1154 30 unsigned int row=10;
emmanuelchio 0:1e62f3fc1154 31
emmanuelchio 0:1e62f3fc1154 32 /***************************************************/
emmanuelchio 0:1e62f3fc1154 33 /***************************************************/
emmanuelchio 0:1e62f3fc1154 34 void initializeSmartGPU2(void){ //Initialize SMARTGPU2 Board
emmanuelchio 0:1e62f3fc1154 35 lcd.reset(); //physically reset SMARTGPU2
emmanuelchio 0:1e62f3fc1154 36 lcd.start(); //initialize the SMARTGPU2 processor
emmanuelchio 0:1e62f3fc1154 37 }
emmanuelchio 0:1e62f3fc1154 38
emmanuelchio 0:1e62f3fc1154 39 /***************************************************/
emmanuelchio 0:1e62f3fc1154 40 /***************************************************/
emmanuelchio 0:1e62f3fc1154 41 /***************************************************/
emmanuelchio 0:1e62f3fc1154 42 /***************************************************/
emmanuelchio 0:1e62f3fc1154 43 int main() {
emmanuelchio 0:1e62f3fc1154 44 NUMBEROFBYTES charsPrinted;
emmanuelchio 0:1e62f3fc1154 45 char data[]="0123456789";
emmanuelchio 0:1e62f3fc1154 46 unsigned int i=0;
emmanuelchio 0:1e62f3fc1154 47 unsigned char result=0;
emmanuelchio 0:1e62f3fc1154 48
emmanuelchio 0:1e62f3fc1154 49 initializeSmartGPU2(); //Init communication with SmartGPU2 board
emmanuelchio 0:1e62f3fc1154 50 lcd.baudChange(BAUD7); //set a fast baud! for fast drawing
emmanuelchio 0:1e62f3fc1154 51
emmanuelchio 0:1e62f3fc1154 52 //strings config
emmanuelchio 0:1e62f3fc1154 53 lcd.setTextColour(GREEN);
emmanuelchio 0:1e62f3fc1154 54 lcd.string(10,row,319,239,"EEPROM page open, read, write demo!",&charsPrinted); row+=30;
emmanuelchio 0:1e62f3fc1154 55 lcd.string(10,row,319,239,"Performing procedure...",&charsPrinted); row+=30;
emmanuelchio 0:1e62f3fc1154 56
emmanuelchio 0:1e62f3fc1154 57 //ONCE WE START USING EEPROM BUFFER WE CAN'T CALL OTHER SMARTGPU FUNCTIONS DIFFERENT THAN EEPROM 'E' FUNCTIONS, AS EEPROM BUFFER WILL BE DISCARDED IF SO
emmanuelchio 0:1e62f3fc1154 58 //init/Clear EEPROM buffer with 0xFF values
emmanuelchio 0:1e62f3fc1154 59 lcd.initClearEEPROMBuff();
emmanuelchio 0:1e62f3fc1154 60
emmanuelchio 0:1e62f3fc1154 61 //write data array 10 times to EEPROM buffer
emmanuelchio 0:1e62f3fc1154 62 for(i=0; i < 10; i++){
emmanuelchio 0:1e62f3fc1154 63 lcd.writeEEPROMBuff(data, i*10, 10, &charsPrinted);
emmanuelchio 0:1e62f3fc1154 64 }
emmanuelchio 0:1e62f3fc1154 65
emmanuelchio 0:1e62f3fc1154 66 //verify contents - EEPROM buffer contents vs EEPROM PAGE0
emmanuelchio 0:1e62f3fc1154 67 lcd.compBuffToEEPROMPage(PAGE0, &result); //compare EEPROM buffer contents with EEPROM PAGE0
emmanuelchio 0:1e62f3fc1154 68
emmanuelchio 0:1e62f3fc1154 69 if(result == 1){ //if contents are equal - means that data was already written and its equal
emmanuelchio 0:1e62f3fc1154 70 lcd.string(10,row,319,239,"EEPROM PAGE0 Contents were already equal...END",&charsPrinted);
emmanuelchio 0:1e62f3fc1154 71 }else{ //if contents are different - erase PAGE0 and write EEPROM buffer into PAGE0 - This procedure will be executed only the veryfirst time
emmanuelchio 0:1e62f3fc1154 72 //erase EEPROM PAGE0
emmanuelchio 0:1e62f3fc1154 73 lcd.eraseEEPROMPage(PAGE0);
emmanuelchio 0:1e62f3fc1154 74 //save current EEPROM buffer contents(100 x "0123456789") to EEPROM PAGE0
emmanuelchio 0:1e62f3fc1154 75 lcd.saveBuffToEEPROMPage(PAGE0);
emmanuelchio 0:1e62f3fc1154 76 //verify contents again - EEPROM buffer contents vs EEPROM PAGE0
emmanuelchio 0:1e62f3fc1154 77 lcd.compBuffToEEPROMPage(PAGE0, &result); //compare EEPROM buffer contents with EEPROM PAGE0
emmanuelchio 0:1e62f3fc1154 78 if(result == 1){ //if contents are equal
emmanuelchio 0:1e62f3fc1154 79 lcd.string(10,row,319,239,"New EEPROM PAGE0 Contents are equal...END",&charsPrinted);
emmanuelchio 0:1e62f3fc1154 80 }else{ //error
emmanuelchio 0:1e62f3fc1154 81 lcd.string(10,row,319,239,"New EEPROM PAGE0 Contents differ...END",&charsPrinted);
emmanuelchio 0:1e62f3fc1154 82 }
emmanuelchio 0:1e62f3fc1154 83 }
emmanuelchio 0:1e62f3fc1154 84
emmanuelchio 0:1e62f3fc1154 85 //loop forever
emmanuelchio 0:1e62f3fc1154 86 while(1);
emmanuelchio 0:1e62f3fc1154 87 }