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CubeCellRepeater
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use CAD cycle 

Only go into RX mode, if there is any activity on the channel.
Else stay idle (lora) / sleep (MCU).

Note: will not work for speed 1 (medium range) - timings are to tight.
For speed settings short range, long range and very long range it is working.
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tuxphone 2020-10-04 15:48:53 +02:00 committed by GitHub
parent ce8a0f488f
commit 8187aab70f
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1 changed files with 94 additions and 56 deletions
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142
experimental/main.cpp
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@ -1,16 +1,23 @@
#include <Arduino.h>
#include "config.h"
// CONFIGURATION: change values in config.h !
// CONFIGURATION:
// Change RegionCode, Frequency, Speed in config.h !
#define VERBOSE // define to SILENT to turn off serial messages
#define BLINK // define to NOBLINK to turn off LED signaling
#define OLED // define to OLED to display messages on the OLED
// OLED only supported for DevBoard Plus (HTCC-AB02)
#define NOBLINK // define to NOBLINK to turn off LED signaling
#define NO_OLED // define to NO_OLED to turn off display
// OLED supported for cubecell_board_Plus (HTCC-AB02) and cubecell_gps (HTCC-AB02S)
// :CONFIGURATION
MeshPacket thePacket;
ChannelSettings ChanSet;
static MeshPacket thePacket;
static ChannelSettings ChanSet;
static RadioEvents_t RadioEvents;
uint32_t lastreceivedID = 0x00000000;
static TimerEvent_t CheckRadio;
static uint32_t lastreceivedID = 0;
//static uint32_t lpTime;
static uint32_t dutyTime;
static bool noTimer;
static uint32_t startTime = 0;
#ifndef NOBLINK
#include "CubeCell_NeoPixel.h"
@ -18,28 +25,34 @@ CubeCell_NeoPixel LED(1, RGB, NEO_GRB + NEO_KHZ800);
#endif
#ifndef NO_OLED
#ifdef CubeCell_BoardPlus
#include "cubecell_SH1107Wire.h"
SH1107Wire display(0x3c, 500000, I2C_NUM_0,GEOMETRY_128_64,GPIO10 );
char str[64];
#endif
#ifdef CubeCell_GPS
#include "cubecell_SSD1306Wire.h"
SSD1306Wire display(0x3c, 500000, I2C_NUM_0,GEOMETRY_128_64,GPIO10 );
#endif
char str[32];
#endif
void setup() {
TimerInit( &CheckRadio, onCheckRadio );
#ifndef NO_OLED
pinMode(Vext,OUTPUT);
digitalWrite(Vext,LOW);
#endif
#ifndef NOBLINK
pinMode(Vext,OUTPUT);
digitalWrite(Vext,LOW); //SET POWER
digitalWrite(Vext,LOW);
delay(100);
LED.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
LED.begin();
LED.clear( );
LED.show();
#endif
#ifndef NO_OLED
display.init();
display.clear();
display.display();
display.setTextAlignment(TEXT_ALIGN_LEFT);
display.setFont(ArialMT_Plain_16);
display.drawString(0,0,"CC Repeater");
@ -49,16 +62,18 @@ void setup() {
Serial.begin(115200);
MSG("\nSetting up Radio:\n");
#endif
RadioEvents.TxDone = TxDone;
RadioEvents.TxTimeout = TxTimeout;
RadioEvents.RxDone = RxDone;
RadioEvents.TxDone = onTxDone;
RadioEvents.TxTimeout = onTxTimeout;
RadioEvents.RxDone = onRxDone;
RadioEvents.RxTimeout = onRxTimeout;
RadioEvents.CadDone = onCadDone;
Radio.Init( &RadioEvents );
Radio.Sleep();
memcpy(ChanSet.name, MESHTASTIC_NAME, 12);
//myRegion = &regions[REGION];
ChanSet.channel_num = hash( MESHTASTIC_NAME ) % regions[REGION].numChannels; // see config.h
ChanSet.tx_power = (regions[REGION].powerLimit == 0) ? TX_MAX_POWER : MIN(regions[REGION].powerLimit, TX_MAX_POWER) ;
ChanSet.psk = MESHTASTIC_PSK;
//ChanSet.psk = MESHTASTIC_PSK;
ChanSet.psk = PSK_NOENCRYPTION;
/* FYI:
"bandwidth":
[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]
@ -75,32 +90,38 @@ void setup() {
ChanSet.bandwidth = 0; // 125 kHz
ChanSet.coding_rate = 1; // = 4/5
ChanSet.spread_factor = 7;
dutyTime = 10.24; // 10 symbols
break;
}
case 1: { // medium range
ChanSet.bandwidth = 2; // 500 kHz
ChanSet.coding_rate = 1; // = 4/5
ChanSet.spread_factor = 7;
dutyTime = 2.56;
break;
}
case 2: { // long range
ChanSet.bandwidth = 5; // 31.25 kHz
ChanSet.coding_rate = 4; // = 4/8
ChanSet.spread_factor = 9;
dutyTime = 163.84;
break;
}
case 3: { // very long range
ChanSet.bandwidth = 0; // 125 kHz
ChanSet.coding_rate = 4; // = 4/8
ChanSet.spread_factor = 12;
dutyTime = 327.68;
break;
}
default:{ // default setting is medium range
ChanSet.bandwidth = 2; // 500 kHz
ChanSet.coding_rate = 1; // = 4/5
ChanSet.spread_factor = 7;
default:{ // default setting is very long range
ChanSet.bandwidth = 0; // 125 kHz
ChanSet.coding_rate = 4; // = 4/8
ChanSet.spread_factor = 12;
dutyTime = 327.68;
}
}
//lpTime = sleepTime[MESHTASTIC_SPEED];
ConfigureRadio( ChanSet );
#ifndef SILENT
MSG("..done! Switch to Receive Mode.\n");
@ -109,37 +130,52 @@ void setup() {
display.drawString(0,32, "Receive Mode..");
display.display();
#endif
Radio.Rx(0); // initial mode = receive
Radio.StartCad( 4 ); // length in symbols
}
void onCheckRadio(void){ noTimer=false; }
void loop( )
{
lowPowerHandler( );
delay(500);
Radio.IrqProcess( );
noTimer = true;
TimerSetValue( &CheckRadio, dutyTime ); // MCU sleeps 10 LoRa symbols
TimerStart( &CheckRadio ); // onCheckRadio() will set noTimer to false
while (noTimer) lowPowerHandler( );
Radio.IrqProcess(); // handle events from LoRa, if CAD, set SX1262 to receive (onCadDone)
if ( Radio.GetStatus() == RF_IDLE ) Radio.StartCad( 4 );
}
void TxDone( void )
void onCadDone( bool ChannelActive ){
// Rx Time = 500 * symbol time should be longer than receive time for max. packet length
(ChannelActive) ? Radio.Rx( dutyTime * 50 ) : Radio.Sleep();
}
void onRxTimeout( void ){
Radio.Standby();
}
void onTxDone( void )
{
Radio.Sleep( );
#ifndef NOBLINK
LED.clear( );
LED.show( );
#endif
#ifndef SILENT
MSG(".done! Switch to Receive Mode.\n");
MSG(".done (%ims)! Switch to Receive Mode.\n", millis() - startTime );
#endif
#ifndef NO_OLED
sprintf(str,"..done. RX Mode..");
display.drawString(42,53,str);
display.display();
#endif
Radio.Rx( 0 ); // switch to receive mode
//Radio.Rx( 0 ); // switch to receive mode
Radio.Standby();
}
void TxTimeout( void )
void onTxTimeout( void )
{
Radio.Sleep( );
#ifndef NOBLINK
LED.clear( );
LED.show( );
@ -152,18 +188,24 @@ void TxTimeout( void )
display.drawString(42,53,str);
display.display();
#endif
Radio.Rx( 0 ); // switch to receive mode
Radio.Standby();
}
void RxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
void onRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
{
// if ( !(Radio.GetStatus() == RF_RX_RUNNING) ) Radio.Sleep( );
Radio.Sleep();
if ( size > MAX_PAYLOAD_LENGTH ) size = MAX_PAYLOAD_LENGTH;
if ( !(size > sizeof(PacketHeader)) ) {
#ifndef SILENT
MSG("\nReceived packet! (Size %i bytes, RSSI %i, SNR %i)\n", size, rssi, snr);
MSG("Packet to small (No MeshPacket), discard. Switch to Receive Mode.\n");
MSG("Packet to small (No MeshPacket).\n");
#endif
#ifndef NOBLINK
LED.setPixelColor( 0, RGB_RED ); // send mode
LED.show();
#endif
Radio.Send( payload, size );
Radio.Rx( 0 );
return;
}
@ -180,16 +222,12 @@ void RxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
memcpy(p->encrypted.bytes, payload + sizeof(PacketHeader), p->encrypted.size);
#ifndef SILENT
MSG("\nReceived packet! (Size %i bytes, RSSI %i, SNR %i)\n", size, rssi, snr);
MSG("TO: "); HEXMSG(thePacket.to);
MSG(" FROM: "); HEXMSG(thePacket.from);
MSG(" Packet ID: "); HEXMSG(thePacket.id);
MSG(" Flags: WANT_ACK="); MSG((thePacket.want_ack) ? "YES " : "NO ");
MSG(" HOP_LIMIT=%i\n", thePacket.hop_limit);
MSG("Payload:");
for (int i=0; i<p->encrypted.size; i++){
MSG(" ");
HEXMSG(p->encrypted.bytes[i]);
}
MSG("TO: %.2X ", p->to);
MSG(" FROM: %.2X ", p->from);
MSG(" Packet ID: %.2X ", p->id);
MSG(" Flags: WANT_ACK="); MSG((p->want_ack) ? "YES " : "NO ");
MSG(" HOP_LIMIT=%i\n", p->hop_limit);
MSG("Payload:"); for ( int i=0; i < p->encrypted.size; i++ ) MSG(" %.2X", p->encrypted.bytes[i]);
MSG("\n");
#endif
#ifndef NO_OLED
@ -198,32 +236,33 @@ void RxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
display.setFont(ArialMT_Plain_10);
sprintf(str,"Size: %i RSSI %i SNR %i", size, rssi, snr);
display.drawString(0,0,str);
sprintf(str,"%X", thePacket.to);
sprintf(str,"%X", p->to);
display.drawString(0,11,"TO:");
display.drawString(40,11,str);
sprintf(str,"%X", thePacket.from);
sprintf(str,"%X", p->from);
display.drawString(0,22,"FROM:");
display.drawString(40,22,str);
sprintf(str,"%X", thePacket.id);
sprintf(str,"%X", p->id);
display.drawString(0,32,"ID:");
display.drawString(40,32,str);
display.display();
#endif
if ( !(lastreceivedID == thePacket.id) ){
// will repeat package
#ifndef SILENT
MSG("Sending packet.. (Size: %i)..", size);
#endif
lastreceivedID = thePacket.id;
#ifndef NO_OLED
sprintf(str,"Sending..");
display.drawString(0,53,str);
display.display();
#endif
lastreceivedID = thePacket.id;
#ifndef NOBLINK
LED.setPixelColor( 0, RGB_RED ); // send mode
LED.show();
#endif
#ifndef SILENT
MSG("Sending packet.. (Size: %i)..", size);
startTime = millis();
#endif
Radio.Send( payload, size );
}
else{
@ -235,7 +274,7 @@ void RxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
display.drawString(0,53,str);
display.display();
#endif
Radio.Rx( 0 ); // switch to Receive Mode
//Radio.Rx( 0 ); // switch to Receive Mode
}
}
@ -252,7 +291,6 @@ unsigned long hash(char *str)
void ConfigureRadio( ChannelSettings ChanSet )
{
//uint32_t freq = (myRegion->freq + myRegion->spacing * ChanSet.channel_num)*1E6;
uint32_t freq = (regions[REGION].freq + regions[REGION].spacing * ChanSet.channel_num)*1E6;
#ifndef SILENT