2015-06-23 12:42:35 -07:00

70 lines
2.0 KiB
C++

/*
Copyright (C) 2011 James Coliz, Jr. <maniacbug@ymail.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
*/
#include "RF24Network_config.h"
#include <avr/eeprom.h>
#include <avr/pgmspace.h>
#include "nodeconfig.h"
// Where in EEPROM is the address stored?
uint8_t* address_at_eeprom_location = (uint8_t*)10;
// What flag value is stored there so we know the value is valid?
const uint8_t valid_eeprom_flag = 0xdf;
// What are the actual node values that we want to use?
// EEPROM locations are actually just indices into this array
const uint16_t node_address_set[10] = { 00, 02, 05, 012, 015, 022, 025, 032, 035, 045 };
uint8_t nodeconfig_read(void)
{
uint8_t result = 0;
// Look for the token in EEPROM to indicate the following value is
// a validly set node address
if ( eeprom_read_byte(address_at_eeprom_location) == valid_eeprom_flag )
{
// Read the address from EEPROM
result = node_address_set[ eeprom_read_byte(address_at_eeprom_location+1) ];
printf_P(PSTR("ADDRESS: %u\n\r"),result);
}
else
{
printf_P(PSTR("*** No valid address found. Send 0-9 via serial to set node address\n\r"));
while(1)
{
nodeconfig_listen();
}
}
return result;
}
void nodeconfig_listen(void)
{
//
// Listen for serial input, which is how we set the address
//
if (Serial.available())
{
// If the character on serial input is in a valid range...
char c = Serial.read();
if ( c >= '0' && c <= '9' )
{
// It is our address
eeprom_write_byte(address_at_eeprom_location,valid_eeprom_flag);
eeprom_write_byte(address_at_eeprom_location+1,c-'0');
// And we are done right now (no easy way to soft reset)
printf_P(PSTR("\n\rManually reset index to: %c, address 0%o\n\rPress RESET to continue!"),c,node_address_set[c-'0']);
while(1);
}
}
}
// vim:ai:cin:sts=2 sw=2 ft=cpp