test/eeprom_test.c

   1 #include <avr/io.h>
   2 #include <avr/interrupt.h>
   3 #include <stdio.h>
   4 #include "eeprom.h"
   5 #ifdef HAVE_SPI
   6 #include "spi.h"
   7 #endif
   8
   9 int main(void) {
  10 #ifdef HAVE_SPI
  11         spi_init();
  12 #endif
  13
  14         sei();  // enable interrupts
  15
  16         internal_eeprom_write8(0xDE, 0);
  17         internal_eeprom_write8(0xAD, 1);
  18
  19         uint8_t de = internal_eeprom_read8(0);
  20         uint8_t ad = internal_eeprom_read8(1);
  21
  22         if( de < ad )
  23                 PORTB |= PB1;
  24
  25         spieeprom_write(0xBE, 0);
  26         spieeprom_write(0xEF, 1);
  27         return 0;
  28 }
  29
  30 void io_init() {
  31         DDRA = 0xFF;              // Data
  32         PORTA = 0x00;
  33
  34         DDRB = 0xB9;              // spi_clk, spi_in, spi_out, NC, TX, RX, clock in, clock
  35         PORTB = 0x02;
  36
  37         DDRC = 0xFF;              // Address
  38         PORTC = 0x00;
  39
  40         DDRD = 0xFA;              // NC, NC, NC, NC, NC, CAN_INT, MIDI TX & RX
  41         PORTD = 0x00;
  42
  43         DDRE = 0xFF;
  44         PORTE = 0x00;
  45 }
  46