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/AT93C46D.ino Secret

Created Feb 25, 2016
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//AT93C46D
#include<SPI.h>
#define DATAOUT 11//MOSI
#define DATAIN 12//MISO
#define SPICLOCK 13//sck
#define SS 10//ss
void setup()
{
pinMode(SS,OUTPUT);
pinMode(DATAOUT, OUTPUT);
pinMode(DATAIN, INPUT);
pinMode(SPICLOCK,OUTPUT);
digitalWrite(SS,LOW);
Serial.begin(9600);
SPI.beginTransaction(SPISettings(2000000, MSBFIRST, SPI_MODE0));
fill();
dump();
}
void loop()
{
}
void fill()
{
Serial.println("Send EWEN opcode");
digitalWrite(SS,HIGH);
SPI.transfer(0b1001); //EWEN
SPI.transfer(0b10000000);
digitalWrite(SS,LOW);
delay(100);
for (int i=0; i < 128; i++) {
digitalWrite(SS,HIGH);
SPI.transfer(B101);
SPI.transfer(i & 0x7f);
SPI.transfer(0b00000000);
delay(10);
digitalWrite(SS,LOW);
}
delay(100);
Serial.println("Send EWDS opcode");
digitalWrite(SS,HIGH);
SPI.transfer(0b1000); //EWDS
SPI.transfer(0b00000000);
digitalWrite(SS,LOW);
delay(10);
}
void dump(){
Serial.println("Dumping AT93C46D");
byte b;
for (int i=0; i < 128; i++) {
digitalWrite(SS,HIGH);
SPI.transfer(0b11); //read opcode
SPI.transfer(i & 0x7f);
b = SPI.transfer(0); //clock data out
digitalWrite(SS,LOW);
Serial.println(b, BIN);
}
}
@mikaelpatel
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mikaelpatel commented Feb 25, 2016

Line 44-45 needs fixing. See stackexchange and product spec. Too many bits.

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