63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
#pragma once
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#include <Arduino.h>
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enum class DeviceRole : uint8_t {
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Sender = 0,
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Receiver = 1
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};
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enum class PayloadType : uint8_t {
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MeterData = 0,
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TestCode = 1,
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TimeSync = 2
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};
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constexpr uint8_t PROTOCOL_VERSION = 1;
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// Pin definitions
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constexpr uint8_t PIN_LORA_SCK = 5;
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constexpr uint8_t PIN_LORA_MISO = 19;
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constexpr uint8_t PIN_LORA_MOSI = 27;
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constexpr uint8_t PIN_LORA_NSS = 18;
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constexpr uint8_t PIN_LORA_RST = 23;
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constexpr uint8_t PIN_LORA_DIO0 = 26;
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constexpr uint8_t PIN_OLED_SDA = 21;
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constexpr uint8_t PIN_OLED_SCL = 22;
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constexpr uint8_t PIN_OLED_RST = 16;
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constexpr uint8_t OLED_I2C_ADDR = 0x3C;
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constexpr uint8_t OLED_WIDTH = 128;
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constexpr uint8_t OLED_HEIGHT = 64;
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constexpr uint8_t PIN_BAT_ADC = 35;
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constexpr uint8_t PIN_ROLE = 13;
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constexpr uint8_t PIN_OLED_CTRL = 14;
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constexpr uint8_t PIN_METER_RX = 34;
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// LoRa settings
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#ifndef LORA_FREQUENCY_HZ
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#define LORA_FREQUENCY_HZ 433E6
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#endif
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constexpr long LORA_FREQUENCY = LORA_FREQUENCY_HZ;
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constexpr uint8_t LORA_SPREADING_FACTOR = 12;
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constexpr long LORA_BANDWIDTH = 125E3;
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constexpr uint8_t LORA_CODING_RATE = 5;
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constexpr uint8_t LORA_SYNC_WORD = 0x34;
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// Timing
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constexpr uint32_t SENDER_WAKE_INTERVAL_SEC = 30;
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constexpr uint32_t TIME_SYNC_INTERVAL_SEC = 60;
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constexpr uint32_t OLED_PAGE_INTERVAL_MS = 10000;
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constexpr uint32_t OLED_AUTO_OFF_MS = 10UL * 60UL * 1000UL;
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constexpr uint8_t NUM_SENDERS = 1;
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inline constexpr uint16_t EXPECTED_SENDER_IDS[NUM_SENDERS] = {
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//0xF19C //433mhz sender
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0x7EB4 //868mhz sender
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};
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DeviceRole detect_role();
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