root/nano-RK/projects/basic_eeprom/main.c

/******************************************************************************
*  Nano-RK, a real-time operating system for sensor networks.
*  Copyright (C) 2007, Real-Time and Multimedia Lab, Carnegie Mellon University
*  All rights reserved.
*
*  This is the Open Source Version of Nano-RK included as part of a Dual
*  Licensing Model. If you are unsure which license to use please refer to:
*  http://www.nanork.org/nano-RK/wiki/Licensing
*
*  This program is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, version 2.0 of the License.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/


#include <nrk.h>
#include <include.h>
#include <ulib.h>
#include <stdio.h>
#include <avr/sleep.h>
#include <hal.h>
#include <nrk_error.h>
#include <nrk_timer.h>
#include <nrk_stack_check.h>
#include <avr/eeprom.h>
#include <nrk_eeprom.h>


NRK_STK Stack1[NRK_APP_STACKSIZE];
nrk_task_type TaskOne;
void Task1(void);

NRK_STK Stack2[NRK_APP_STACKSIZE];
nrk_task_type TaskTwo;
void Task2 (void);


void nrk_create_taskset();

uint32_t mac_address;

int
main ()
{
  uint8_t t;
  nrk_setup_ports();
  nrk_setup_uart(UART_BAUDRATE_115K2);
  
  nrk_kprintf( PSTR("Starting up...\r\n") );

  nrk_init();

  nrk_led_clr(ORANGE_LED);
  nrk_led_clr(BLUE_LED);
  nrk_led_clr(GREEN_LED);
  nrk_led_clr(RED_LED);
 
  nrk_time_set(0,0);
  nrk_create_taskset ();
  nrk_start();
  
  return 0;
}



void Task1()
{
uint16_t cnt;
int8_t val;
uint8_t chan;
uint8_t i;

val=read_eeprom_mac_address(&mac_address);
if(val==NRK_OK)
        {
        nrk_kprintf( PSTR("MAC = 0x"));
        printf( "%x",(uint8_t)((mac_address>>24)&0xff));
        printf( "%x",(uint8_t)((mac_address>>16)&0xff));
        printf( "%x",(uint8_t)((mac_address>>8)&0xff));
        printf( "%x\r\n",(uint8_t)((mac_address & 0xff)));
        }
else
        {
        while(1)        
                {
                nrk_kprintf( PSTR( "* ERROR reading MAC address\r\n" ));
                nrk_wait_until_next_period();
                }
        }

val=read_eeprom_channel(&chan);
printf( "chan = %d\r\n",chan );

  printf( "Task1 PID=%d\r\n",nrk_get_pid());
  val=0;
  i=0;
  for(cnt=0x100; cnt<0x110; cnt++ )
        {
        nrk_eeprom_write_byte(cnt,i);
        printf( "Wrote %u to %d\r\n",i,cnt);
        i++;
        }
  for(cnt=0x100; cnt<0x110; cnt++ )
        {
        i=nrk_eeprom_read_byte(cnt);
        printf( "Read %u from %d\r\n",i,cnt);
        }


  cnt=0;
  while(1) {
        nrk_led_toggle(ORANGE_LED);
        nrk_gpio_toggle(NRK_DEBUG_0);
        //printf( "Task1 cnt=%d\r\n",cnt );
        nrk_wait_until_next_period();
        cnt++;
        }
}

void Task2()
{
  uint8_t cnt;
  printf( "Task2 PID=%d\r\n",nrk_get_pid());
  cnt=0;
  while(1) {
        nrk_led_toggle(BLUE_LED);
        nrk_gpio_toggle(NRK_DEBUG_1);
        //printf( "Task2 cnt=%d\r\n",cnt );
        nrk_wait_until_next_period();
        cnt++;
        }
}


void
nrk_create_taskset()
{
  TaskOne.task = Task1;
  nrk_task_set_stk( &TaskOne, Stack1, NRK_APP_STACKSIZE);
  TaskOne.prio = 1;
  TaskOne.FirstActivation = TRUE;
  TaskOne.Type = BASIC_TASK;
  TaskOne.SchType = PREEMPTIVE;
  TaskOne.period.secs = 0;
  TaskOne.period.nano_secs = 250*NANOS_PER_MS;
  TaskOne.cpu_reserve.secs = 0;
  TaskOne.cpu_reserve.nano_secs =  0;
  TaskOne.offset.secs = 0;
  TaskOne.offset.nano_secs= 0;
  nrk_activate_task (&TaskOne);

  TaskTwo.task = Task2;
  nrk_task_set_stk( &TaskTwo, Stack2, NRK_APP_STACKSIZE);
  TaskTwo.prio = 2;
  TaskTwo.FirstActivation = TRUE;
  TaskTwo.Type = BASIC_TASK;
  TaskTwo.SchType = PREEMPTIVE;
  TaskTwo.period.secs = 0;
  TaskTwo.period.nano_secs = 500*NANOS_PER_MS;
  TaskTwo.cpu_reserve.secs = 0;
  TaskTwo.cpu_reserve.nano_secs = 100*NANOS_PER_MS;
  TaskTwo.offset.secs = 0;
  TaskTwo.offset.nano_secs= 0;
  nrk_activate_task (&TaskTwo);

}