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