/*
* I2CEEPROM Clear
*
* Sets all of the bytes of the I2CEEPROM to 0xFF.
* Version 0.04 04/09/2015
* by Jim Mayhugh
*/
#include <i2c_t3.h>
#include <I2CEEPROMAnything.h>
uint8_t device = 0x50;
const uint32_t sizeOfArray = 0xFF80;
const uint16_t startAddress = 0x0000;
const uint8_t pageSize = 128;
uint8_t page[pageSize], sent;
uint32_t x, y;
uint8_t serialDebug = 0x01;
// Test Point Stuff
const uint8_t LED1 = 3;
const uint8_t LED2 = 4;
const uint8_t LED3 = 5;
const uint8_t LED4 = 6;
const uint8_t LED5 = 7;
const uint8_t boardVersion = 14; // board versions below 18 use reverse logic for LEDs and test points
const uint8_t ledON = 0x00;
const uint8_t ledOFF = 0xFF;
// end of Test Point Stuff
void setLED(uint8_t led, uint8_t state)
{
if(boardVersion >= 18)
{
if(state == ledON)
{
digitalWrite(led, HIGH);
}else{
digitalWrite(led, LOW);
}
}else{
if(state == ledON)
{
digitalWrite(led, LOW);
}else{
digitalWrite(led, HIGH);
}
}
}
void setup()
{
for(x = LED1; x <= LED5; x++)
{
pinMode(x,OUTPUT); // test LEDs on TeensyNet > V12.0
setLED(x, ledOFF); // turn them all off
}
Wire.begin(I2C_MASTER, NULL, I2C_PINS_18_19, I2C_PULLUP_EXT, I2C_RATE_400);
if(serialDebug != 0x00)
{
Serial.begin(115200);
delay(3000);
Serial.println(F("Starting"));
for(y = 0; y < pageSize; y++) page[y] = 0xff;
Serial.println(F("Page initialized"));
for(x = 0; x < sizeOfArray; x += pageSize)
{
setLED(LED2, ledON); // turn on
Serial.print(F("Writing to address 0x"));
Serial.print(x, HEX);
sent = I2CEEPROM_writeAnything(x, page, device);
Serial.print(F(", "));
Serial.print(sent);
Serial.println(F(" bytes written."));
setLED(LED2, ledOFF); // turn off
}
for(x = 0; x < sizeOfArray; x += pageSize)
{
setLED(LED3, ledON); // turn on
for(y = 0; y < pageSize; y++) page[y] = 0x00;
Serial.print(F("Reading address 0x"));
Serial.print(x, HEX);
sent = I2CEEPROM_readAnything(x, page, device);
Serial.print(F(", "));
Serial.print(sent);
Serial.println(F(" bytes read."));
Serial.print(F("Address 0x"));
Serial.print(x, HEX);
Serial.println(F(" = "));
for(y = 0; y < pageSize; y++)
{
Serial.print(page[y], HEX);
if( (y > 0) && ((y & 0x0F) == 0x0F))
{
Serial.println();
}else{
Serial.print(F(" "));
}
}
Serial.println();
setLED(LED3, ledOFF); // turn off
}
}else{
for(y = 0; y < pageSize; y++) page[y] = 0xff;
for(x = 0; x < sizeOfArray; x += pageSize) I2CEEPROM_writeAnything(x, page, device);
}
}
void loop()
{
setLED(LED1, ledON); // turn on
delay(1000);
setLED(LED1, ledOFF); // turn off
delay(1000);
}
