24LC256 bitmap storage for 33310 lcd | Solved.

Projects Programming
13

:slight_smile: thanks man i've found a issue i made a simple read wirght code and just sent the first 16 again for testing and found its gets converted somehow not sure whats going on there

heres the output

me2 from array
C2
41
0
0
0
0
0
0
0
0
0
0
0
0
0
80
 
me2 from eeprom
C2
65
63
74
6F
72
20
69
73
20
74
68
65
20
62
65

heres the code

#include <Wire.h> //Include the Arduino I2C Library</pre>
#include <string.h>         //Used for string manipulations

#define eeprom1 0x50
#define eeprom2 0x51

static const byte me[] = {
0xC2, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
0x80, 0xC0, 0xC0, 0xF0, 0xF8, 0x38, 0x3E, 0x1A, 0x1F, 0x5F, 0x6F, 0xFF, 0xFF, 0x7F, 0x7F, 0x7F,
0xDF, 0xEF, 0x9F, 0x1F, 0x3F, 0xFF, 0x7F, 0xFF, 0xFE, 0xFE, 0x9D, 0x0F, 0x0F, 0x0F, 0x0B, 0x0F,
0x1F, 0x1F, 0x3F, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFC, 0xFC, 0xF8, 0xF0, 0xE0, 0xC0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20,
0x20, 0xF0, 0xFE, 0xFD, 0xFE, 0xFF, 0xFF, 0xF5, 0x1F, 0x08, 0x48, 0x08, 0x08, 0x28, 0x20, 0x80,
0xE0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x05, 0x67, 0x0E, 0x26, 0x20, 0x28, 0x28, 0x08,
0x08, 0x0C, 0x1C, 0x1A, 0x07, 0x04, 0x00, 0x00, 0x01, 0x00, 0x01, 0xC7, 0xFB, 0xFF, 0x7F, 0x7F,
0x7F, 0xFF, 0xFF, 0x7F, 0xFF, 0xFC, 0xFC, 0xF8, 0xA0, 0x80, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01, 0x01, 0x1B, 0x1F, 0x1F, 0x1F, 0x1F, 0x3F, 0x3F, 0xFC, 0xE0, 0xC0, 0x00,
0x00, 0x00, 0x00, 0x83, 0xC0, 0x80, 0x80, 0x80, 0x84, 0x84, 0x88, 0x88, 0x80, 0x80, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x08, 0x0C, 0x0C, 0xC4, 0x04, 0x01, 0x00,
0x80, 0xE0, 0xE0, 0xF0, 0xD0, 0xF8, 0x3F, 0x1E, 0x1F, 0x1F, 0x1F, 0x1B, 0x17, 0x05, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x07, 0x0F, 0x1E, 0x3C, 0xDC, 0xF7, 0x83, 0x81, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x80, 0x80, 0xC0, 0x40, 0x40, 0x60, 0x20, 0x10, 0x10, 0x08, 0x0C, 0x04, 0x06, 0x03, 0x03,
0x01, 0x80, 0xC0, 0xF8, 0xFF, 0x7F, 0x3F, 0x3F, 0x13, 0x11, 0x10, 0x00, 0x00, 0x00, 0x30, 0x30,
0x30, 0x38, 0x38, 0x38, 0x3C, 0x3C, 0x3C, 0x3C, 0x3E, 0x3E, 0x3E, 0x3C, 0x7C, 0x7C, 0xFC, 0xF8,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x80, 0x00, 0x01, 0x03, 0x03, 0x07, 0x87,
0xCD, 0x2F, 0x3B, 0x34, 0x08, 0x18, 0x18, 0x1C, 0x1E, 0x0C, 0x08, 0x00, 0x40, 0x20, 0x20, 0x10,
0x08, 0x0C, 0x86, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x03, 0xC4, 0x84, 0x84, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x00,
0x00, 0x00, 0x88, 0xE8, 0xE8, 0xF8, 0xF8, 0x78, 0xFF, 0x1F, 0x1F, 0x0F, 0x03, 0x01, 0x00, 0x00,
0x00, 0x5C, 0x84, 0x83, 0xE0, 0x50, 0x70, 0xF0, 0xF0, 0xCC, 0x04, 0x02, 0x02, 0x01, 0x00, 0x00,
0x00, 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x20, 0xF0, 0xF0, 0xFC, 0xF8, 0xE4, 0x24, 0x0C, 0x06, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x80, 0x80, 0x40, 0xE0, 0xF0, 0xF8, 0xFC, 
};

static const byte me2[] = {
  0xC2, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80
};



void setup() {

Wire.begin(); //Start I2C connections
Serial.begin(9600);
  
int me_bitmap_start_address = 0;     //change this to wherever you want to store your bitmap on eeprom & keep track
int me_bitmap_length = 16;            //so that multiple bitmaps don't overla    

for(int j=0; j < me_bitmap_length; j++)

{

    i2c_eeprom_write_byte(eeprom1,(me_bitmap_start_address + j),me2[j]);
   
}

delay(2000); 

Serial.println("Memory written");
}

void loop() {
  
int addr=0; //EEPROM Address 0
delay(20); //add a small delay
//Serial.print((char)b); //print content to serial port
Serial.println("me2 from eeprom");
unsigned char bitmap_array[16];
for(int h = 0; h < 16; h++)
{
	bitmap_array[h]=i2c_eeprom_read_byte(eeprom1,addr);
    Serial.println(bitmap_array[h],HEX);
	addr++;
         
}


delay(10000); 
Serial.println("me2 from array");
for(int p = 0; p < 16; p++)
{
 Serial.println(me2[p],HEX); 
}

Serial.println(" ");
delay(10000); 

}


void i2c_eeprom_write_byte( int deviceaddress, unsigned int eeaddress, byte data ) {
int rdata = data;

Wire.beginTransmission(deviceaddress);
Wire.write((int)(eeaddress >> 8)); // MSB
Wire.write((int)(eeaddress & 0xFF)); // LSB

Wire.write(rdata);

Wire.endTransmission();
}

void i2c_eeprom_write_page( int deviceaddress, unsigned int eeaddresspage, byte* data, byte length ) {
Wire.beginTransmission(deviceaddress);
Wire.write((int)(eeaddresspage >> 8)); // MSB
Wire.write((int)(eeaddresspage & 0xFF)); // LSB

byte c;
for ( c = 0; c < length; c++)
Wire.write(data[c]);

Wire.endTransmission();
}

byte i2c_eeprom_read_byte( int deviceaddress, unsigned int eeaddress ) {
byte rdata = 0xFF;

Wire.beginTransmission(deviceaddress);
Wire.write((int)(eeaddress >> 8)); // MSB
Wire.write((int)(eeaddress & 0xFF)); // LSB
Wire.endTransmission();
Wire.requestFrom(deviceaddress,1);

if (Wire.available()) rdata = Wire.read();

return rdata;
}

thanks again for helping me with this its driveing me nuts
anyways must sleep it 2:30am atm xD