Prepared EEPROM functionality

Config.h

@@ -1,9 +1,13 @@
 #ifndef CONFIG_H
 	#define CONFIG_H
 
-	#define MCU_328P 0x90
+	#define MCU_328P  0x90
 	#define MCU_1284P 0x91
 
+	#define PRODUCT_RNODE 0x03
+	#define MODEL_A4 0xA4
+	#define MODEL_A9 0xA9
+
 	#if defined(__AVR_ATmega328P__)
 		#define MCU_VARIANT MCU_328P
 		#warning "Firmware is being compiled for atmega328p based boards"

EEPROM.cpp

@@ -0,0 +1,36 @@
+#include <Arduino.h>
+#include <EEPROM.h>
+#include "Config.h"
+#include "Framing.h"
+
+#define ADDR_PRODUCT   0x00
+#define ADDR_MODEL     0x01
+#define ADDR_HW_REV    0x02
+#define ADDR_SERIAL    0x03
+#define ADDR_MADE	   0x06
+#define ADDR_CHKSUM	   0x0A
+#define ADDR_SIGNATURE 0x1A
+#define ADDR_INFO_LOCK 0x9A
+#define INFO_LOCK_BYTE 0x73
+
+#define ADDR_CONF_SF   0x74
+#define ADDR_CONF_CR   0x75
+#define ADDR_CONF_TXP  0x76
+#define ADDR_CONF_BW   0x77
+#define ADDR_CONF_FREQ 0x7B
+#define ADDR_CONF_OK   0x7F
+#define CONF_OK_BYTE   0x73
+
+void eeprom_dump_info() {
+	for (int addr = ADDR_PRODUCT; addr <= ADDR_INFO_LOCK; addr++) {
+		uint8_t rom_byte = EEPROM.read(addr);
+		Serial.write(rom_byte);
+	}
+}
+
+void eeprom_dump_config() {
+	for (int addr = ADDR_CONF_SF; addr <= ADDR_CONF_OK; addr++) {
+		uint8_t rom_byte = EEPROM.read(addr);
+		Serial.write(rom_byte);
+	}
+}

Framing.h

@@ -22,6 +22,11 @@
 	#define CMD_BLINK		0x30
 	#define CMD_RANDOM		0x40
 
+	#define CMD_INFO_READ	0x50
+	#define CMD_INFO_WRITE	0x51
+	#define CMD_CONF_READ	0x52
+	#define CMD_CONF_WRITE	0x53
+
 	#define RADIO_STATE_OFF 0x00
 	#define RADIO_STATE_ON	0x01
 

LoRa.cpp

@@ -6,7 +6,7 @@
 
 #include <LoRa.h>
 
-// registers
+// Registers
 #define REG_FIFO                 0x00
 #define REG_OP_MODE              0x01
 #define REG_FRF_MSB              0x06
@@ -39,7 +39,7 @@
 #define REG_DIO_MAPPING_1        0x40
 #define REG_VERSION              0x42
 
-// modes
+// Modes
 #define MODE_LONG_RANGE_MODE     0x80
 #define MODE_SLEEP               0x00
 #define MODE_STDBY               0x01
@@ -112,7 +112,7 @@ int LoRaClass::begin(long frequency)
   writeRegister(REG_MODEM_CONFIG_3, 0x04);
 
   // set output power to 17 dBm
-  setTxPower(17);
+  setTxPower(2);
 
   // put in standby mode
   idle();

RNode_Firmware.ino

@@ -2,6 +2,7 @@
 #include <LoRa.h>
 #include "Config.h"
 #include "Framing.h"
+#include "EEPROM.cpp"
 #include "Utilities.cpp"
 
 void setup() {
@@ -360,6 +361,8 @@ void loop() {
         dcd_waiting = true;
       }
     }
+  } else {
+    led_indicate_standby();
   }
 
   if (Serial.available()) {

Utilities.cpp

@@ -51,6 +51,26 @@ void led_indicate_info(int cycles) {
     digitalWrite(pin_led_rx, LOW);
 }
 
+uint8_t led_standby_min = 1;
+uint8_t led_standby_max = 22;
+uint8_t led_standby_value = led_standby_min;
+int8_t  led_standby_direction = 0;
+unsigned long led_standby_ticks = 0;
+unsigned long led_standby_wait = 11000;
+void led_indicate_standby() {
+	led_standby_ticks++;
+	if (led_standby_ticks > led_standby_wait) {
+		led_standby_ticks = 0;
+		if (led_standby_value <= led_standby_min) {
+			led_standby_direction = 1;
+		} else if (led_standby_value >= led_standby_max) {
+			led_standby_direction = -1;
+		}
+		led_standby_value += led_standby_direction;
+		analogWrite(pin_led_rx, led_standby_value);
+	}
+}
+
 void escapedSerialWrite(uint8_t byte) {
 	if (byte == FEND) { Serial.write(FESC); byte = TFEND; }
     if (byte == FESC) { Serial.write(FESC); byte = TFESC; }