Relaunch!
This commit is contained in:
tuxphone
GitHub
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#include <Arduino.h>
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#include <RadioLib.h>
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// #define SILENT // turn off serial output
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#define CC_MY_REGION meshtastic_Config_LoRaConfig_RegionCode_EU_868 // see regions[] below
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#define CC_MY_LORA_PRESET meshtastic_Config_LoRaConfig_ModemPreset_LONG_FAST // LONG FAST is default preset
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#define CC_LORA_USE_PRESET true // set true to use modem preset
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#define CC_CHANNEL_NAME "Primary Channel"
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#define CC_MY_LORA_BW 125.0 // use these settings, if not using a modem preset
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#define CC_MY_LORA_SF 10
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#define CC_MY_LORA_CR 5
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#define CC_MY_LORA_POWER 0 // 0 = max legal power for region
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#define CC_MY_LORA_FREQ 0.0 // if you want to override frequency calculation, in MHz (e.g. 869.4)
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#define CC_MAX_POWER 22 // TX power setting. Maximum for CubeCell is 22, enforced by RadioLib.
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#ifdef CUBECELL
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#include "cyPm.c" // for reliable sleep we use MCU_deepSleep()
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extern uint32_t systime; // CubeCell global system time count, Millis
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SX1262 radio = new Module(RADIOLIB_BUILTIN_MODULE);
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#endif //CUBECELL
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uint8_t radiobuf[256];
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uint32_t lastPacketID = 0;
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void MCU_deepsleep(void);
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// Flag and ISR for "Received packet" - events
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volatile bool PacketReceived = false;
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void ISR_setReceived(void) {
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PacketReceived = true;
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}
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// Flag and ISR for "Packet sent" - events
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volatile bool PacketSent = false;
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void ISR_setPacketSent(void) {
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PacketSent = true;
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}
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int state = RADIOLIB_ERR_NONE;
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#ifndef SILENT
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#define MSG(...) Serial.printf(__VA_ARGS__)
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#define MSGFLOAT(a,b) Serial.print(a); Serial.print(b)
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#else
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#define MSG(...)
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#define MSGFLOAT(a,b)
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#endif
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/**************
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* Meshtastic *
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**************/
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#define PACKET_FLAGS_HOP_MASK 0x07
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#define PACKET_FLAGS_WANT_ACK_MASK 0x08
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#define PACKET_FLAGS_VIA_MQTT_MASK 0x10
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typedef enum _meshtastic_Config_LoRaConfig_RegionCode {
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/* Region is not set */
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meshtastic_Config_LoRaConfig_RegionCode_UNSET = 0,
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/* United States */
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meshtastic_Config_LoRaConfig_RegionCode_US = 1,
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/* European Union 433mhz */
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meshtastic_Config_LoRaConfig_RegionCode_EU_433 = 2,
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/* European Union 868mhz */
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meshtastic_Config_LoRaConfig_RegionCode_EU_868 = 3,
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/* China */
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meshtastic_Config_LoRaConfig_RegionCode_CN = 4,
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/* Japan */
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meshtastic_Config_LoRaConfig_RegionCode_JP = 5,
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/* Australia / New Zealand */
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meshtastic_Config_LoRaConfig_RegionCode_ANZ = 6,
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/* Korea */
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meshtastic_Config_LoRaConfig_RegionCode_KR = 7,
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/* Taiwan */
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meshtastic_Config_LoRaConfig_RegionCode_TW = 8,
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/* Russia */
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meshtastic_Config_LoRaConfig_RegionCode_RU = 9,
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/* India */
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meshtastic_Config_LoRaConfig_RegionCode_IN = 10,
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/* New Zealand 865mhz */
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meshtastic_Config_LoRaConfig_RegionCode_NZ_865 = 11,
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/* Thailand */
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meshtastic_Config_LoRaConfig_RegionCode_TH = 12,
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/* WLAN Band */
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meshtastic_Config_LoRaConfig_RegionCode_LORA_24 = 13,
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/* Ukraine 433mhz */
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meshtastic_Config_LoRaConfig_RegionCode_UA_433 = 14,
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/* Ukraine 868mhz */
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meshtastic_Config_LoRaConfig_RegionCode_UA_868 = 15,
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/* Malaysia 433mhz */
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meshtastic_Config_LoRaConfig_RegionCode_MY_433 = 16,
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/* Malaysia 919mhz */
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meshtastic_Config_LoRaConfig_RegionCode_MY_919 = 17,
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/* Singapore 923mhz */
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meshtastic_Config_LoRaConfig_RegionCode_SG_923 = 18
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} meshtastic_Config_LoRaConfig_RegionCode;
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/* Standard predefined channel settings
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Note: these mappings must match ModemPreset Choice in the device code. */
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typedef enum _meshtastic_Config_LoRaConfig_ModemPreset {
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/* Long Range - Fast */
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meshtastic_Config_LoRaConfig_ModemPreset_LONG_FAST = 0,
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/* Long Range - Slow */
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meshtastic_Config_LoRaConfig_ModemPreset_LONG_SLOW = 1,
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/* Very Long Range - Slow */
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meshtastic_Config_LoRaConfig_ModemPreset_VERY_LONG_SLOW = 2,
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/* Medium Range - Slow */
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meshtastic_Config_LoRaConfig_ModemPreset_MEDIUM_SLOW = 3,
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/* Medium Range - Fast */
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meshtastic_Config_LoRaConfig_ModemPreset_MEDIUM_FAST = 4,
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/* Short Range - Slow */
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meshtastic_Config_LoRaConfig_ModemPreset_SHORT_SLOW = 5,
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/* Short Range - Fast */
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meshtastic_Config_LoRaConfig_ModemPreset_SHORT_FAST = 6,
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/* Long Range - Moderately Fast */
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meshtastic_Config_LoRaConfig_ModemPreset_LONG_MODERATE = 7
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} meshtastic_Config_LoRaConfig_ModemPreset;
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#define RDEF(name, freq_start, freq_end, duty_cycle, spacing, power_limit, audio_permitted, frequency_switching, wide_lora) \
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{ \
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meshtastic_Config_LoRaConfig_RegionCode_##name, freq_start, freq_end, duty_cycle, spacing, power_limit, audio_permitted, \
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frequency_switching, wide_lora, #name \
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}
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struct RegionInfo {
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meshtastic_Config_LoRaConfig_RegionCode code;
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float freqStart;
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float freqEnd;
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float dutyCycle;
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float spacing;
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uint8_t powerLimit; // Or zero for not set
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bool audioPermitted;
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bool freqSwitching;
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bool wideLora;
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const char *name; // EU433 etc
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};
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const RegionInfo *myRegion;
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const RegionInfo regions[] = {
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/*
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https://link.springer.com/content/pdf/bbm%3A978-1-4842-4357-2%2F1.pdf
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https://www.thethingsnetwork.org/docs/lorawan/regional-parameters/
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*/
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RDEF(US, 902.0f, 928.0f, 100, 0, 30, true, false, false),
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/*
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https://lora-alliance.org/wp-content/uploads/2020/11/lorawan_regional_parameters_v1.0.3reva_0.pdf
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*/
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RDEF(EU_433, 433.0f, 434.0f, 10, 0, 12, true, false, false),
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/*
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https://www.thethingsnetwork.org/docs/lorawan/duty-cycle/
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https://www.thethingsnetwork.org/docs/lorawan/regional-parameters/
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https://www.legislation.gov.uk/uksi/1999/930/schedule/6/part/III/made/data.xht?view=snippet&wrap=true
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audio_permitted = false per regulation
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Special Note:
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The link above describes LoRaWAN's band plan, stating a power limit of 16 dBm. This is their own suggested specification,
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we do not need to follow it. The European Union regulations clearly state that the power limit for this frequency range is
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500 mW, or 27 dBm. It also states that we can use interference avoidance and spectrum access techniques to avoid a duty
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cycle. (Please refer to section 4.21 in the following document)
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https://ec.europa.eu/growth/tools-databases/tris/index.cfm/ro/search/?trisaction=search.detail&year=2021&num=528&dLang=EN
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*/
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RDEF(EU_868, 869.4f, 869.65f, 10, 0, 27, false, false, false),
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/*
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https://lora-alliance.org/wp-content/uploads/2020/11/lorawan_regional_parameters_v1.0.3reva_0.pdf
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*/
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RDEF(CN, 470.0f, 510.0f, 100, 0, 19, true, false, false),
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/*
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https://lora-alliance.org/wp-content/uploads/2020/11/lorawan_regional_parameters_v1.0.3reva_0.pdf
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*/
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RDEF(JP, 920.8f, 927.8f, 100, 0, 16, true, false, false),
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/*
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https://www.iot.org.au/wp/wp-content/uploads/2016/12/IoTSpectrumFactSheet.pdf
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https://iotalliance.org.nz/wp-content/uploads/sites/4/2019/05/IoT-Spectrum-in-NZ-Briefing-Paper.pdf
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*/
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RDEF(ANZ, 915.0f, 928.0f, 100, 0, 30, true, false, false),
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/*
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https://digital.gov.ru/uploaded/files/prilozhenie-12-k-reshenyu-gkrch-18-46-03-1.pdf
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Note:
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- We do LBT, so 100% is allowed.
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*/
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RDEF(RU, 868.7f, 869.2f, 100, 0, 20, true, false, false),
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/*
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???
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*/
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RDEF(KR, 920.0f, 923.0f, 100, 0, 0, true, false, false),
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/*
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???
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*/
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RDEF(TW, 920.0f, 925.0f, 100, 0, 0, true, false, false),
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/*
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https://lora-alliance.org/wp-content/uploads/2020/11/lorawan_regional_parameters_v1.0.3reva_0.pdf
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*/
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RDEF(IN, 865.0f, 867.0f, 100, 0, 30, true, false, false),
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/*
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https://rrf.rsm.govt.nz/smart-web/smart/page/-smart/domain/licence/LicenceSummary.wdk?id=219752
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https://iotalliance.org.nz/wp-content/uploads/sites/4/2019/05/IoT-Spectrum-in-NZ-Briefing-Paper.pdf
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*/
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RDEF(NZ_865, 864.0f, 868.0f, 100, 0, 36, true, false, false),
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/*
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https://lora-alliance.org/wp-content/uploads/2020/11/lorawan_regional_parameters_v1.0.3reva_0.pdf
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*/
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RDEF(TH, 920.0f, 925.0f, 100, 0, 16, true, false, false),
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/*
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433,05-434,7 Mhz 10 mW
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https://nkrzi.gov.ua/images/upload/256/5810/PDF_UUZ_19_01_2016.pdf
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*/
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RDEF(UA_433, 433.0f, 434.7f, 10, 0, 10, true, false, false),
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/*
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868,0-868,6 Mhz 25 mW
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https://nkrzi.gov.ua/images/upload/256/5810/PDF_UUZ_19_01_2016.pdf
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*/
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RDEF(UA_868, 868.0f, 868.6f, 1, 0, 14, true, false, false),
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/*
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Malaysia
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433 - 435 MHz at 100mW, no restrictions.
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https://www.mcmc.gov.my/skmmgovmy/media/General/pdf/Short-Range-Devices-Specification.pdf
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*/
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RDEF(MY_433, 433.0f, 435.0f, 100, 0, 20, true, false, false),
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/*
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Malaysia
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919 - 923 Mhz at 500mW, no restrictions.
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923 - 924 MHz at 500mW with 1% duty cycle OR frequency hopping.
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Frequency hopping is used for 919 - 923 MHz.
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https://www.mcmc.gov.my/skmmgovmy/media/General/pdf/Short-Range-Devices-Specification.pdf
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*/
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RDEF(MY_919, 919.0f, 924.0f, 100, 0, 27, true, true, false),
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/*
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2.4 GHZ WLAN Band equivalent. Only for SX128x chips.
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*/
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RDEF(LORA_24, 2400.0f, 2483.5f, 100, 0, 10, true, false, true),
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/*
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This needs to be last. Same as US.
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*/
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RDEF(UNSET, 902.0f, 928.0f, 100, 0, 30, true, false, false)
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};
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void initRegion()
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{
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const RegionInfo *r = regions;
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for (; r->code != meshtastic_Config_LoRaConfig_RegionCode_UNSET && r->code != CC_MY_REGION; r++)
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;
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myRegion = r;
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}
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/** hash a string into an integer
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*
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* djb2 by Dan Bernstein.
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* http://www.cse.yorku.ca/~oz/hash.html
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*/
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uint32_t hash(const char *str)
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{
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uint32_t hash = 5381;
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int c;
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while ((c = *str++) != 0)
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hash = ((hash << 5) + hash) + (unsigned char)c;
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return hash;
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}
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void applyModemConfig()
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{
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float bw=0;
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uint8_t sf = 0;
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uint8_t cr = 0;
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int8_t power = 0; // 0 = max legal power for region
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float freq = 0;
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if (CC_LORA_USE_PRESET) {
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switch (CC_MY_LORA_PRESET) {
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case meshtastic_Config_LoRaConfig_ModemPreset_SHORT_FAST:
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bw = (myRegion->wideLora) ? 812.5 : 250;
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cr = 5;
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sf = 7;
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break;
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case meshtastic_Config_LoRaConfig_ModemPreset_SHORT_SLOW:
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bw = (myRegion->wideLora) ? 812.5 : 250;
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cr = 5;
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sf = 8;
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break;
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case meshtastic_Config_LoRaConfig_ModemPreset_MEDIUM_FAST:
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bw = (myRegion->wideLora) ? 812.5 : 250;
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cr = 5;
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sf = 9;
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break;
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case meshtastic_Config_LoRaConfig_ModemPreset_MEDIUM_SLOW:
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bw = (myRegion->wideLora) ? 812.5 : 250;
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cr = 5;
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sf = 10;
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break;
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default: // Config_LoRaConfig_ModemPreset_LONG_FAST is default.
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bw = (myRegion->wideLora) ? 812.5 : 250;
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cr = 5;
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sf = 11;
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break;
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case meshtastic_Config_LoRaConfig_ModemPreset_LONG_MODERATE:
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bw = (myRegion->wideLora) ? 406.25 : 125;
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cr = 8;
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sf = 11;
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break;
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case meshtastic_Config_LoRaConfig_ModemPreset_LONG_SLOW:
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bw = (myRegion->wideLora) ? 406.25 : 125;
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cr = 8;
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sf = 12;
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break;
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case meshtastic_Config_LoRaConfig_ModemPreset_VERY_LONG_SLOW:
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bw = (myRegion->wideLora) ? 203.125 : 62.5;
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cr = 8;
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sf = 12;
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break;
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}
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} else {
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// Custom Settings:
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sf = CC_MY_LORA_SF;
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cr = CC_MY_LORA_CR;
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bw = CC_MY_LORA_BW;
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power = CC_MY_LORA_POWER;
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// sanity check:
|
||||||
|
if (bw == 31) // This parameter is not an integer
|
||||||
|
bw = 31.25;
|
||||||
|
if (bw == 62) // Fix for 62.5Khz bandwidth
|
||||||
|
bw = 62.5;
|
||||||
|
if (bw == 200)
|
||||||
|
bw = 203.125;
|
||||||
|
if (bw == 400)
|
||||||
|
bw = 406.25;
|
||||||
|
if (bw == 800)
|
||||||
|
bw = 812.5;
|
||||||
|
if (bw == 1600)
|
||||||
|
bw = 1625.0;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (power == 0)
|
||||||
|
power = (int8_t) myRegion->powerLimit;
|
||||||
|
|
||||||
|
if (power == 0)
|
||||||
|
power = 17; // Default to this power level if we don't have a valid regional power limit (powerLimit of myRegion defaults
|
||||||
|
// to 0, currently no region has an actual power limit of 0 [dBm] so we can assume regions which have this
|
||||||
|
// variable set to 0 don't have a valid power limit)
|
||||||
|
|
||||||
|
power = (power > CC_MAX_POWER)? CC_MAX_POWER : power;
|
||||||
|
|
||||||
|
// Calculate the number of channels
|
||||||
|
uint32_t numChannels = floor((myRegion->freqEnd - myRegion->freqStart) / (myRegion->spacing + (bw / 1000)));
|
||||||
|
|
||||||
|
const char *channelName = CC_CHANNEL_NAME;
|
||||||
|
|
||||||
|
int channel_num = hash(channelName) % numChannels;
|
||||||
|
|
||||||
|
freq = myRegion->freqStart + (bw / 2000) + (channel_num * (bw / 1000));
|
||||||
|
|
||||||
|
// override if we have a verbatim frequency
|
||||||
|
if (CC_MY_LORA_FREQ > 0.0) {
|
||||||
|
freq = CC_MY_LORA_FREQ;
|
||||||
|
channel_num = -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
MSG("\nRegion %s (Power Limit is %idb) ",myRegion->name, myRegion->powerLimit);
|
||||||
|
MSG(" freq %d bw %i sf %i cr %i power %i ... ", lround(freq*1E6), lround(bw*1000), sf, cr, power);
|
||||||
|
|
||||||
|
// Syncword is 0x2b, see RadioLibInterface.h
|
||||||
|
// preamble length is 16, see RadioInterface.h
|
||||||
|
|
||||||
|
int state = radio.begin(freq, bw, sf, cr, 0x2b, power, 16);
|
||||||
|
|
||||||
|
if (state == RADIOLIB_ERR_NONE) {
|
||||||
|
MSG("success!\n");
|
||||||
|
} else {
|
||||||
|
MSG("\n[ERROR] [SX1262} Init failed, code: %i\n\n ** Full Stop **", state);
|
||||||
|
while (true);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue