// Copyright (C) 2024, Mark Qvist // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program. If not, see . #include "ROM.h" #include "Boards.h" #ifndef CONFIG_H #define CONFIG_H #define MAJ_VERS 0x01 #define MIN_VERS 0x51 #define MODE_HOST 0x11 #define MODE_TNC 0x12 #define CABLE_STATE_DISCONNECTED 0x00 #define CABLE_STATE_CONNECTED 0x01 uint8_t cable_state = CABLE_STATE_DISCONNECTED; #define BT_STATE_NA 0xff #define BT_STATE_OFF 0x00 #define BT_STATE_ON 0x01 #define BT_STATE_PAIRING 0x02 #define BT_STATE_CONNECTED 0x03 uint8_t bt_state = BT_STATE_NA; uint32_t bt_ssp_pin = 0; bool bt_ready = false; bool bt_enabled = false; bool bt_allow_pairing = false; #define M_FRQ_S 27388122 #define M_FRQ_R 27388061 bool console_active = false; bool modem_installed = false; #define MTU 508 #define SINGLE_MTU 255 #define HEADER_L 1 #define MIN_L 1 #define CMD_L 64 bool mw_radio_online = false; #define eeprom_addr(a) (a+EEPROM_OFFSET) #if (MODEM == SX1262 || MODEM == SX1280) && defined(NRF52840_XXAA) SPIClass spiModem(NRF_SPIM2, pin_miso, pin_sclk, pin_mosi); #endif // MCU independent configuration parameters const long serial_baudrate = 115200; // SX1276 RSSI offset to get dBm value from // packet RSSI register const int rssi_offset = 157; // Default LoRa settings #define PHY_HEADER_LORA_SYMBOLS 20 #define PHY_CRC_LORA_BITS 16 #define LORA_PREAMBLE_SYMBOLS_MIN 18 #define LORA_PREAMBLE_TARGET_MS 24 #define LORA_PREAMBLE_FAST_DELTA 18 #define LORA_FAST_THRESHOLD_BPS 30E3 #define LORA_LIMIT_THRESHOLD_BPS 60E3 long lora_preamble_symbols = LORA_PREAMBLE_SYMBOLS_MIN; long lora_preamble_time_ms = 0; long lora_header_time_ms = 0; float lora_symbol_time_ms = 0.0; float lora_symbol_rate = 0.0; float lora_us_per_byte = 0.0; bool lora_low_datarate = false; bool lora_limit_rate = false; // CSMA Parameters #define CSMA_SIFS_MS 0 #define CSMA_POST_TX_YIELD_SLOTS 3 #define CSMA_SLOT_MAX_MS 100 #define CSMA_SLOT_MIN_MS 24 #define CSMA_SLOT_MIN_FAST_DELTA 18 #define CSMA_SLOT_SYMBOLS 12 #define CSMA_CW_BANDS 4 #define CSMA_CW_MIN 0 #define CSMA_CW_PER_BAND_WINDOWS 15 #define CSMA_BAND_1_MAX_AIRTIME 7 #define CSMA_BAND_N_MIN_AIRTIME 85 #define CSMA_INFR_THRESHOLD_DB 12 bool interference_detected = false; bool avoid_interference = true; int csma_slot_ms = CSMA_SLOT_MIN_MS; unsigned long difs_ms = CSMA_SIFS_MS + 2*csma_slot_ms; unsigned long difs_wait_start = -1; unsigned long cw_wait_start = -1; unsigned long cw_wait_target = -1; unsigned long cw_wait_passed = 0; int csma_cw = -1; uint8_t cw_band = 1; uint8_t cw_min = 0; uint8_t cw_max = CSMA_CW_PER_BAND_WINDOWS; // LoRa settings int lora_sf = 0; int lora_cr = 5; int lora_txp = 0xFF; uint32_t lora_bw = 0; uint32_t lora_freq = 0; uint32_t lora_bitrate = 0; // Operational variables bool radio_locked = true; bool radio_online = false; bool community_fw = true; bool hw_ready = false; bool radio_error = false; bool disp_ready = false; bool pmu_ready = false; bool promisc = false; bool implicit = false; bool memory_low = false; uint8_t implicit_l = 0; uint8_t op_mode = MODE_HOST; uint8_t model = 0x00; uint8_t hwrev = 0x00; #define NOISE_FLOOR_SAMPLES 64 int noise_floor = -292; int current_rssi = -292; int last_rssi = -292; uint8_t last_rssi_raw = 0x00; uint8_t last_snr_raw = 0x80; uint8_t seq = 0xFF; uint16_t read_len = 0; // Incoming packet buffer uint8_t pbuf[MTU]; // KISS command buffer uint8_t cmdbuf[CMD_L]; // LoRa transmit buffer uint8_t tbuf[MTU]; uint32_t stat_rx = 0; uint32_t stat_tx = 0; #define STATUS_INTERVAL_MS 3 #if MCU_VARIANT == MCU_ESP32 || MCU_VARIANT == MCU_NRF52 #define DCD_SAMPLES 2500 #define UTIL_UPDATE_INTERVAL_MS 1000 #define UTIL_UPDATE_INTERVAL (UTIL_UPDATE_INTERVAL_MS/STATUS_INTERVAL_MS) #define AIRTIME_LONGTERM 3600 #define AIRTIME_LONGTERM_MS (AIRTIME_LONGTERM*1000) #define AIRTIME_BINLEN_MS (STATUS_INTERVAL_MS*DCD_SAMPLES) #define AIRTIME_BINS ((AIRTIME_LONGTERM*1000)/AIRTIME_BINLEN_MS) bool util_samples[DCD_SAMPLES]; uint16_t airtime_bins[AIRTIME_BINS]; float longterm_bins[AIRTIME_BINS]; int dcd_sample = 0; float local_channel_util = 0.0; float total_channel_util = 0.0; float longterm_channel_util = 0.0; float airtime = 0.0; float longterm_airtime = 0.0; #define current_airtime_bin(void) (millis()%AIRTIME_LONGTERM_MS)/AIRTIME_BINLEN_MS #endif float st_airtime_limit = 0.0; float lt_airtime_limit = 0.0; bool airtime_lock = false; bool stat_signal_detected = false; bool stat_signal_synced = false; bool stat_rx_ongoing = false; bool dcd = false; bool dcd_led = false; bool dcd_waiting = false; long dcd_wait_until = 0; uint16_t dcd_count = 0; uint16_t dcd_threshold = 2; uint32_t status_interval_ms = STATUS_INTERVAL_MS; uint32_t last_status_update = 0; uint32_t last_dcd = 0; // Power management #define BATTERY_STATE_UNKNOWN 0x00 #define BATTERY_STATE_DISCHARGING 0x01 #define BATTERY_STATE_CHARGING 0x02 #define BATTERY_STATE_CHARGED 0x03 bool battery_installed = false; bool battery_indeterminate = false; bool external_power = false; bool battery_ready = false; float battery_voltage = 0.0; float battery_percent = 0.0; uint8_t battery_state = 0x00; uint8_t display_intensity = 0xFF; uint8_t display_addr = 0xFF; volatile bool display_updating = false; bool display_blanking_enabled = false; bool display_diagnostics = true; bool device_init_done = false; bool eeprom_ok = false; bool firmware_update_mode = false; bool serial_in_frame = false; // Boot flags #define START_FROM_BOOTLOADER 0x01 #define START_FROM_POWERON 0x02 #define START_FROM_BROWNOUT 0x03 #define START_FROM_JTAG 0x04 #endif