Relaunch!
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tuxphone
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src/main.cpp
377
src/main.cpp
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@ -1,330 +1,111 @@
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#include <Arduino.h>
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#include <main.h>
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#include "config.h"
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#include <Base64.h>
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#include "cyPm.c"
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// CONFIGURATION:
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typedef struct {
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// Change RegionCode config.h !
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uint32_t to, from, id;
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#define VERBOSE // define to SILENT to turn off serial messages
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// The bottom three bits of flags are used to store hop_limit
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#define NOBLINK // define to NOBLINK to turn off LED signaling
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uint8_t flags;
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#define NO_OLED // define to NO_OLED to turn off display
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uint8_t channel;
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// OLED supported for cubecell_board_Plus (HTCC-AB02) and cubecell_gps (HTCC-AB02S)
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} PacketHeader;
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// :CONFIGURATION
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static MeshPacket thePacket;
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static ChannelSettings ChanSet;
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static RadioEvents_t RadioEvents;
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static TimerEvent_t CheckRadio;
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static uint32_t lastreceivedID = 0;
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static uint32_t symbolTime;
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static uint32_t sendTime;
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extern uint32_t systime; // global system time count --> millis()
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#ifndef NOBLINK
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#include "CubeCell_NeoPixel.h"
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CubeCell_NeoPixel LED(1, RGB, NEO_GRB + NEO_KHZ800);
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#endif
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#ifndef NO_OLED
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#ifdef CubeCell_BoardPlus
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#include "cubecell_SH1107Wire.h"
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SH1107Wire display(0x3c, 500000, I2C_NUM_0,GEOMETRY_128_64,GPIO10 );
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#endif
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#ifdef CubeCell_GPS
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#include "cubecell_SSD1306Wire.h"
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SSD1306Wire display(0x3c, 500000, I2C_NUM_0,GEOMETRY_128_64,GPIO10 );
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#endif
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char str[32];
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#endif
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void setup() {
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void setup() {
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TimerInit( &CheckRadio, onCheckRadio );
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#ifndef NO_OLED
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pinMode(Vext,OUTPUT);
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digitalWrite(Vext,LOW);
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#endif
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#ifndef NOBLINK
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pinMode(Vext,OUTPUT);
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digitalWrite(Vext,LOW);
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delay(100);
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LED.begin();
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LED.clear( );
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LED.show();
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#endif
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#ifndef NO_OLED
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display.init();
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display.clear();
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display.setTextAlignment(TEXT_ALIGN_LEFT);
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display.setFont(ArialMT_Plain_16);
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display.drawString(0,0,"CC Repeater");
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display.display();
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#endif
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#ifndef SILENT
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#ifndef SILENT
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Serial.begin(115200);
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Serial.begin(115200);
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MSG("\n");
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LINE(60, "*");
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MSG("Setting up Radio:\n");
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#endif
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#endif
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RadioEvents.TxDone = onTxDone;
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initRegion(); // create regions[] and load myRegion
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RadioEvents.TxTimeout = onTxTimeout;
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applyModemConfig(); // apply lora settings
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RadioEvents.RxDone = onRxDone;
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radio.standby();
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RadioEvents.RxTimeout = onRxTimeout;
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radio.setPacketReceivedAction(ISR_setReceived); // Interrupt Handler -> set "PacketReceived" flag at RX
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RadioEvents.CadDone = onCadDone;
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MSG("[INFO][SX1262] Starting to listen ... ");
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Radio.Init( &RadioEvents );
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state = radio.startReceive();
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Radio.Sleep();
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if (state == RADIOLIB_ERR_NONE) {
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// import Channel Settings from Meshtastic Link (channel name, modem config):
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MSG("success!\n\n");
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char decoded[Base64.decodedLength(&MeshtasticLink[30], sizeof(MeshtasticLink)-30)];
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} else {
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Base64.decode(decoded, &MeshtasticLink[30], sizeof(MeshtasticLink)-30);
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MSG("\n[ERROR][SX1262] startReceive() failed, code: %i\n\n ** Full Stop **", state);
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pb_decode_from_bytes((uint8_t *)&decoded[0], sizeof(decoded), ChannelSettings_fields, &ChanSet);
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while (true);
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// done, populate remaining settings according to channel name and provided modem config
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ChanSet.channel_num = hash( ChanSet.name ) % regions[REGION].numChannels; // see config.h
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ChanSet.tx_power = (regions[REGION].powerLimit == 0) ? TX_MAX_POWER : MIN(regions[REGION].powerLimit, TX_MAX_POWER) ;
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/* FYI:
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"bandwidth":
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[0: 125 kHz, 1: 250 kHz, 2: 500 kHz, 3: 62.5kHz, 4: 41.67kHz, 5: 31.25kHz, 6: 20.83kHz, 7: 15.63kHz, 8: 10.42kHz, 9: 7.81kHz]
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"speed":
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0: ChannelSettings_ModemConfig_Bw125Cr45Sf128 aka short range
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1: ChannelSettings_ModemConfig_Bw500Cr45Sf128 aka medium range
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2: ChannelSettings_ModemConfig_Bw31_25Cr48Sf512 aka long range
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3: ChannelSettings_ModemConfig_Bw125Cr48Sf4096 aka very long range
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"coding rate":
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[1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8]
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*/
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switch ( (uint8_t)ChanSet.modem_config ){
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case 0: { // short range
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ChanSet.bandwidth = 0; // 125 kHz
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ChanSet.coding_rate = 1; // = 4/5
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ChanSet.spread_factor = 7;
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break;
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}
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}
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case 1: { // medium range
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ChanSet.bandwidth = 2; // 500 kHz
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ChanSet.coding_rate = 1; // = 4/5
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ChanSet.spread_factor = 7;
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break;
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}
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case 2: { // long range
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ChanSet.bandwidth = 5; // 31.25 kHz
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ChanSet.coding_rate = 4; // = 4/8
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ChanSet.spread_factor = 9;
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break;
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}
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case 3: { // very long range
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ChanSet.bandwidth = 0; // 125 kHz
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ChanSet.coding_rate = 4; // = 4/8
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ChanSet.spread_factor = 12;
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break;
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}
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default:{ // default setting is very long range
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ChanSet.bandwidth = 0; // 125 kHz
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ChanSet.coding_rate = 4; // = 4/8
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ChanSet.spread_factor = 12;
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}
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}
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symbolTime = ((1<< ChanSet.spread_factor)*1000 +32) *1000 / TheBandwidths[ChanSet.bandwidth]; // in micro seconds!
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ConfigureRadio( ChanSet );
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#ifndef SILENT
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MSG("\n..done!\n");
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LINE(60,"*");
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#endif
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#ifndef NO_OLED
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display.drawString(0,32, "Receive Mode..");
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display.display();
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#endif
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TimerSetValue( &CheckRadio, symbolTime / 100 ); // MCU sleeps 10 LoRa symbols (in milli seconds)
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TimerStart( &CheckRadio ); // onCheckRadio() will break deep sleep mode
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Radio.StartCad( 3 ); // length in symbols
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}
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void onCheckRadio(void)
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{
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TimerReset(&CheckRadio);
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}
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// Cycle starts @ 0 symbols. LoRA: CAD for x symbols, then (implicitly) Standby MCU: sleep
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// After 10 LoRa symbols, wake up MCU and check for IRQs from LoRa (including CADdone)
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// If channel activiy detected, switch to RX mode for 500 symbols, to capture very long packages.
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// If the package is shorter, the onRXDone handler will put the LoRa to sleep, so no excess power consumption
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// Radio.Send() is non-blocking, so if a TX is running we cannot immediatly start a new CAD. We wait (sleep) until LoRa is idle.
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void loop( )
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{
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MCU_deepsleep( );
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Radio.IrqProcess(); // handle events from LoRa, if CAD, set SX1262 to receive (onCadDone)
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if ( Radio.GetStatus() == RF_IDLE ) Radio.StartCad( 3 ); // (in symbols)
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}
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}
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void onCadDone( bool ChannelActive ){
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void loop() {
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// Rx Time = 500 * symbol time (in ms) should be longer than receive time for max. packet length
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if (PacketReceived) {
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(ChannelActive) ? Radio.Rx( symbolTime >> 1 ) : Radio.Sleep();
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PacketReceived = false;
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size_t length = radio.getPacketLength();
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state = radio.readData(radiobuf, length);
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MSG("[RX]");
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if (state == RADIOLIB_ERR_NONE) {
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int32_t payloadLen = length - sizeof(PacketHeader);
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if (payloadLen < 0) {
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MSG("\n[WARN]Not a Meshtastic packet, too short!\n");
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return; // will not repeat
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}
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}
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//const uint8_t *payload = radiobuf + sizeof(PacketHeader);
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PacketHeader *h = (PacketHeader *)radiobuf;
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void onRxTimeout( void ){
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const uint8_t hop_limit = h->flags & PACKET_FLAGS_HOP_MASK;
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Radio.Sleep();
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}
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void onTxDone( void )
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MSG(" (id=0x%08X) HopLim=%i from=0x%08X to=0x%08X WantAck=%s viaMQTT=%s", h->id,
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{
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hop_limit, h->from, h->to, (h->flags & PACKET_FLAGS_WANT_ACK_MASK)? "YES":"NO", (h->flags & PACKET_FLAGS_VIA_MQTT_MASK)? "YES":"NO");
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#ifndef NOBLINK
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LED.clear( );
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LED.show( );
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#endif
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#ifndef SILENT
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MSG(".done (%ims)! Switch to Receive Mode.\n", millis() - sendTime );
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#endif
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#ifndef NO_OLED
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sprintf(str,"..done. RX Mode..");
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display.drawString(42,53,str);
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display.display();
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#endif
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Radio.Sleep();
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}
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void onTxTimeout( void )
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MSGFLOAT(" SNR=",radio.getSNR() );
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{
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MSGFLOAT(" RSSI=", radio.getRSSI() );
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#ifndef NOBLINK
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MSG(" re-send=%s\n", ( (lastPacketID != h->id) && (hop_limit!=0) )?"YES":"NO");
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LED.clear( );
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LED.show( );
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#endif
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#ifndef SILENT
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MSG(".failed (TX Timeout)! Switch to Receive Mode.\n");
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#endif
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#ifndef NO_OLED
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sprintf(str,"..timeout!");
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display.drawString(42,53,str);
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display.display();
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#endif
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Radio.Sleep();
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}
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void onRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
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if ( (lastPacketID != h->id) && (hop_limit!=0) ) {
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{
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h->flags -= 1;
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Radio.Sleep();
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//do not send into other transmits
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if ( size > MAX_PAYLOAD_LENGTH ) size = MAX_PAYLOAD_LENGTH;
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radio.clearDio1Action();
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if ( !(size > sizeof(PacketHeader)) ) {
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radio.finishTransmit();
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#ifndef SILENT
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while ( radio.scanChannel() == RADIOLIB_LORA_DETECTED ) delay(100);
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MSG("\nReceived packet! (Size %i bytes, RSSI %i, SNR %i)\n", size, rssi, snr);
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MSG("[TX] (id=0x%08X) HopLim=%i ... ", h->id, (h->flags & PACKET_FLAGS_HOP_MASK));
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MSG("Packet to small (No MeshPacket).\n");
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lastPacketID = h->id;
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#endif
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radio.clearDio1Action();
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#ifndef NOBLINK
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radio.finishTransmit();
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LED.setPixelColor( 0, RGB_RED ); // send mode
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radio.setPacketSentAction(ISR_setPacketSent);
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LED.show();
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state=radio.startTransmit((uint8_t*)&radiobuf, length);
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#endif
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if (state == RADIOLIB_ERR_NONE) {
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Radio.Send( payload, size );
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MSG("OK\n");
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Radio.Rx( 0 );
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return;
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}
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PacketHeader * h = (PacketHeader *)payload;
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MeshPacket * p = &thePacket;
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p->to = h->to;
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p->from = h->from;
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p->id = h->id;
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p->hop_limit = h->flags && 0b00000111;
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p->want_ack = h->flags && 0b00001000;
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p->which_payload = MeshPacket_encrypted_tag;
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p->encrypted.size= size - sizeof(PacketHeader);
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p->decoded.data.payload.size = p->encrypted.size;
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memcpy(p->encrypted.bytes, payload + sizeof(PacketHeader), p->encrypted.size);
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#ifndef SILENT
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MSG("\nReceived packet! (Size %i bytes, RSSI %i, SNR %i)\n", size, rssi, snr);
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MSG("TO: %.2X ", p->to);
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MSG(" FROM: %.2X ", p->from);
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MSG(" Packet ID: %.2X ", p->id);
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MSG(" Flags: WANT_ACK="); MSG((p->want_ack) ? "YES " : "NO ");
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MSG(" HOP_LIMIT=%i\n", p->hop_limit);
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MSG("Payload:"); for ( int i=0; i < p->encrypted.size; i++ ) MSG(" %.2X", p->encrypted.bytes[i]);
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MSG("\n");
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#endif
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#ifndef NO_OLED
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display.clear();
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display.display();
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display.setFont(ArialMT_Plain_10);
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sprintf(str,"Size: %i RSSI %i SNR %i", size, rssi, snr);
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display.drawString(0,0,str);
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sprintf(str,"%X", p->to);
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display.drawString(0,11,"TO:");
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display.drawString(40,11,str);
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sprintf(str,"%X", p->from);
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display.drawString(0,22,"FROM:");
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display.drawString(40,22,str);
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sprintf(str,"%X", p->id);
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display.drawString(0,32,"ID:");
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display.drawString(40,32,str);
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display.display();
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#endif
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if ( !(lastreceivedID == thePacket.id) ){
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// will repeat package
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lastreceivedID = thePacket.id;
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#ifndef NO_OLED
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sprintf(str,"Sending..");
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display.drawString(0,53,str);
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display.display();
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#endif
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#ifndef NOBLINK
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LED.setPixelColor( 0, RGB_RED ); // send mode
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LED.show();
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#endif
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#ifndef SILENT
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MSG("Sending packet..");
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sendTime = millis();
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#endif
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Radio.Send( payload, size );
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}
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}
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else {
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else {
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#ifndef SILENT
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MSG("failed, ERR = %i - resume RX", state);
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MSG("PacketID = last PacketID, will not repeat again.\n");
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radio.clearDio1Action();
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#endif
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radio.finishTransmit();
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#ifndef NO_OLED
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radio.setPacketReceivedAction(ISR_setReceived);
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sprintf(str,"ID known!");
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radio.startReceive();
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display.drawString(0,53,str);
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display.display();
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#endif
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}
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}
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}
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}
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// hash a string into an integer - djb2 by Dan Bernstein. -
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} else if (state == RADIOLIB_ERR_CRC_MISMATCH) {
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// http://www.cse.yorku.ca/~oz/hash.html
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MSG("\n[ERROR]CRC error!\n");
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unsigned long hash(char *str)
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} else {
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{
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MSG("[ERROR]Receive failed, code: %i!\n", state);
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unsigned long 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; // hash * 33 + c //
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return hash;
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}
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}
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void ConfigureRadio( ChannelSettings ChanSet )
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{
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uint32_t freq = (regions[REGION].freq + regions[REGION].spacing * ChanSet.channel_num)*1E6;
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#ifndef SILENT
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MSG("\nRegion is: %s", regions[REGION].name);
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MSG(" TX power: %i\n", ChanSet.tx_power);
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MSG("Channel name is: '%s' .. \n", ChanSet.name );
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MSG("Setting frequency to %i Hz (meshtastic channel %i) .. \n",freq,ChanSet.channel_num );
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MSG("Setting bandwidth to index %i (%ikHz)..\n", ChanSet.bandwidth, TheBandwidths[ChanSet.bandwidth] );
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MSG("Setting CodeRate to index %i (4/%i).. \n", ChanSet.coding_rate, ChanSet.coding_rate + 4 );
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MSG("Setting SpreadingFactor to %i ..\n",ChanSet.spread_factor);
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MSG("Symboltime is %i micro s ..\n", symbolTime );
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#endif
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Radio.SetChannel( freq );
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||||||
Radio.SetTxConfig( MODEM_LORA, ChanSet.tx_power ,0 , ChanSet.bandwidth, ChanSet.spread_factor, ChanSet.coding_rate,
|
|
||||||
LORA_PREAMBLE_LENGTH, false, true, false, 0, false, 20000 );
|
|
||||||
Radio.SetRxConfig( MODEM_LORA, ChanSet.bandwidth, ChanSet.spread_factor, ChanSet.coding_rate, 0, LORA_PREAMBLE_LENGTH,
|
|
||||||
LORA_SYMBOL_TIMEOUT, false , 0, true, false, 0, false, true );
|
|
||||||
}
|
}
|
||||||
|
|
||||||
void MCU_deepsleep(void)
|
if (PacketSent) {
|
||||||
{
|
PacketSent = false;
|
||||||
|
radio.clearDio1Action();
|
||||||
|
radio.finishTransmit();
|
||||||
|
radio.setPacketReceivedAction(ISR_setReceived);
|
||||||
|
radio.startReceive();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
void MCU_deepsleep(void) {
|
||||||
|
#ifdef CUBECELL
|
||||||
#ifndef SILENT
|
#ifndef SILENT
|
||||||
UART_1_Sleep;
|
UART_1_Sleep; // aka USB, if you use UART2 for communication, add UART_2_Sleep / Wakeup
|
||||||
#endif
|
#endif
|
||||||
pinMode(P4_1, ANALOG); // SPI0 MISO
|
pinMode(P4_1, ANALOG); // SPI0 MISO, save power
|
||||||
CySysPmDeepSleep(); // deep sleep mode
|
CySysPmDeepSleep(); // deep sleep mode
|
||||||
systime = (uint32_t)TimerGetCurrentTime();
|
// after sleep, set global time counter, set MISO to input, reactivate UART :
|
||||||
|
systime = (uint32_t)RtcGetTimerValue();
|
||||||
pinMode(P4_1, INPUT);
|
pinMode(P4_1, INPUT);
|
||||||
#ifndef SILENT
|
#ifndef SILENT
|
||||||
UART_1_Wakeup;
|
UART_1_Wakeup;
|
||||||
#endif
|
#endif
|
||||||
|
#endif //CUBECELL
|
||||||
|
|
||||||
|
//No rest for the wicked.
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue