firmware/main.c (1385d21) - flaneth · BlinkenArea

main.c

/* flaneth - flash and ethernet
   Copyright (C) 2007-2012 Stefan Schuermans <stefan@schuermans.info>
   Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
   a BlinkenArea project - http://www.blinkenarea.org/ */

#include <avr/interrupt.h>
#include <avr/wdt.h>

#include "arp.h"
#include "bus.h"
#include "cf.h"
#include "debug.h"
#include "eeprom.h"
#include "http.h"
#include "random.h"
#include "rtl8019.h"
#include "status.h"
#include "tasks.h"
#include "tcp.h"
#include "timing.h"
#include "uart.h"

// try to work with CF card
static void mainWorkCf(void)
{
  unsigned long sectors, s;
  unsigned char buf[CF_SECTOR_SIZE];

// reset card
  if (CfReset() != 0)
    return;

// identify card
  if (CfIdentify(&sectors) != 0)
    return;

// dump sectors
  for (s = 0; s < sectors; ++s) {
    if (CfRead(s, buf) != 0)
      return;
#if 0
    unsigned int i;
    for (i = 0; i < CF_SECTOR_SIZE; ++i) {
      printf(" %02X", buf[i]);
      if ((i & 15) == 15)
        printf("\r\n");
    }
#endif
    Tasks();
  } // for s
}

// wait for CF card and work with it
static void mainWaitCf(void)
{
  // wait for new card
  while (!CfIsPresent())
    Tasks();

// work with card
  mainWorkCf();

// wait for failing card to be removed
  while (CfIsPresent())
    Tasks();
}

// main code entry point
int main(void)
{
  wdt_reset();
#ifdef DEBUG
  wdt_disable();
#else
  wdt_enable(WDTO_60MS);
#endif
  wdt_reset();

// initialize uart to be able to use stdio
  UartInit();

debug_printf("");
  debug_printf("flaneth");

debug_init_printf("init");

// initialize low level modules
  BusInit();

// initialize middle level modules
  CfInit();
  RtlInit();
  StatusInit();
  TimingInit();

// initialize high level modules
  ArpInit();
  HttpInit();
  TcpInit();

// use entropy collected during initialization
  RandomTask();

debug_init_printf("config");

// get configuration from EEPROM
  EepromGetConfig();

// enable interrupts
  sei();

debug_init_printf("start");

// main loop
  while (1)
    mainWaitCf();

return 0;
}

flaneth

converted CF processing to run in foreground implemented CF sector read