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Add Second Keyset, Save Settings in EEPROM

This commit is contained in:
seiichiro 2021-06-20 12:40:18 +02:00
parent 18a87d8098
commit 3fb84ac27b
2 changed files with 94 additions and 11 deletions
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13
src/config.example.h
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@ -1,6 +1,13 @@
//*******************************************************************
// LoRa Config - Put Your Keys Here! MSB Left for all three
//*******************************************************************
unsigned char NwkSkey[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
unsigned char AppSkey[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
unsigned char DevAddr[4] = { 0x00, 0x00, 0x00, 0x00 };
// Primary Keyset, will be used on Startup
unsigned char NwkSkey_1[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
unsigned char AppSkey_1[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
unsigned char DevAddr_1[4] = { 0x00, 0x00, 0x00, 0x00 };
// Secondary ABP Keyset, can be selected via Setup
unsigned char NwkSkey_2[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
unsigned char AppSkey_2[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
unsigned char DevAddr_2[4] = { 0x00, 0x00, 0x00, 0x00 };

92
src/main.cpp
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@ -3,6 +3,7 @@
#include <avr/interrupt.h>
#include <SPI.h>
#include <Wire.h>
#include <EEPROM.h>
#include <LoRaWAN.h>
// OLED
@ -26,8 +27,20 @@ enum Modes {
M_SETUP
};
enum Settings {
S_NONE,
S_INTERVAL,
S_KEYSET,
S_EXIT
};
Modes amode = M_NORMAL; // Active Mode
Modes omode = M_NORMAL; // Previous Mode
Settings cset = S_INTERVAL; // Current Setting
Settings aset = S_NONE; // Selected Setting
#define EEPROM_KEYSET_ADR 0
#define EEPROM_INTERVAL_ADR 1
// LoRa
#include "config.h" // Contains LoRa ABP Keys
@ -35,11 +48,12 @@ Modes omode = M_NORMAL; // Previous Mode
#define NSS PIN_PA5
RFM95 rfm(DIO0, NSS);
LoRaWAN lora = LoRaWAN(rfm);
uint16_t Frame_Counter_Tx = 0x0000;
uint16_t Frame_Counter_Tx = 0x0001;
// Some Status Variables
uint8_t interval = 20; // Sending Interval in Settings
uint8_t packets = 0; // Sent LoRa Packets
uint8_t keyset = 1; // LoRa KeySet
String statusmsg = "";
uint8_t loraBuffer[9]; // Lora Data Packet
@ -60,14 +74,40 @@ uint16_t readSupplyVoltage() {
return reading;
}
void loraKeySetup(uint8_t keyset) {
if (keyset == 1)
lora.setKeys(NwkSkey_1, AppSkey_1, DevAddr_1);
if (keyset == 2)
lora.setKeys(NwkSkey_2, AppSkey_2, DevAddr_2);
}
// Button Handler Function
void handler(Button2& btn) {
switch (btn.getClickType()) {
case SINGLE_CLICK:
if (amode == M_SETUP) {
interval = interval += 10;
if (interval > 40)
interval = 10;
if (aset == S_INTERVAL) {
interval = interval += 10;
if (interval > 30)
interval = 10;
} else if (aset == S_KEYSET) {
keyset = keyset + 1;
if (keyset > 2)
keyset = 1;
loraKeySetup(keyset);
} else {
switch (cset) {
case S_INTERVAL:
cset = S_KEYSET;
break;
case S_KEYSET:
cset = S_EXIT;
break;
case S_EXIT:
cset = S_INTERVAL;
break;
}
}
} else if (amode == M_NORMAL) {
statusmsg = "Adhoc Request";
adhocsend = true;
@ -77,9 +117,19 @@ void handler(Button2& btn) {
switch (amode) {
case M_NORMAL:
amode = M_SETUP;
cset = S_INTERVAL;
break;
case M_SETUP:
amode = M_NORMAL;
if (cset == S_EXIT) {
aset = S_NONE;
amode = M_NORMAL;
EEPROM.update(EEPROM_KEYSET_ADR, keyset);
EEPROM.update(EEPROM_INTERVAL_ADR, interval);
} else if (aset == S_NONE) {
aset = cset;
} else {
aset = S_NONE;
}
break;
}
break;
@ -102,8 +152,25 @@ void updateDisplay() {
if (amode == M_SETUP) {
oled.println ("<< SETUP >>");
oled.println ("");
char tmp = ' ';
tmp = (cset == S_INTERVAL) ? '>' : ' ';
oled.print(tmp);
tmp = (aset == S_INTERVAL) ? '>' : ' ';
oled.print(tmp);
oled.print("Interval: ");
oled.println(interval);
tmp = (cset == S_KEYSET) ? '>' : ' ';
oled.print(tmp);
tmp = (aset == S_KEYSET) ? '>' : ' ';
oled.print(tmp);
oled.print("ABP KeySet: ");
oled.println(keyset);
tmp = (cset == S_EXIT) ? '>' : ' ';
oled.print(tmp);
oled.println(" Exit Setup");
} else if (amode == M_NORMAL) {
if (hasFix) {
if (hasFix != oldFix){
@ -119,7 +186,7 @@ void updateDisplay() {
oled.print("Int: ");
oled.println(interval);
oled.print("Packet: ");
oled.println(Frame_Counter_Tx);
oled.println(packets);
oled.print("Alt: ");
oled.println(buffer[3]);
oled.print("Speed: ");
@ -139,7 +206,7 @@ void updateDisplay() {
oled.print("Int: ");
oled.println(interval);
oled.print("Packet: ");
oled.println(Frame_Counter_Tx);
oled.println(packets);
oled.print("Bat: ");
oled.println((float)readSupplyVoltage()/1000);
}
@ -166,9 +233,17 @@ void setup() {
oled.setFlipMode(1);
oled.clear();
// Get Settings from EEPROM
EEPROM.get(EEPROM_KEYSET_ADR, keyset);
if (keyset > 2) keyset = 1;
if (keyset < 1) keyset = 1;
EEPROM.get(EEPROM_INTERVAL_ADR, interval);
if (interval < 10 || interval > 30) interval = 20;
// Lora Initialization
rfm.init();
lora.setKeys(NwkSkey, AppSkey, DevAddr);
loraKeySetup(keyset);
}
// Main Loop
@ -186,6 +261,7 @@ void loop() {
gps.buildPacket(loraBuffer);
lora.Send_Data((unsigned char *)&loraBuffer, sizeof(loraBuffer), Frame_Counter_Tx, SF7BW125, 0x01);
packets++;
Frame_Counter_Tx++;
lastmillis = millis();
} else {