////////////////////////////////////////////////////////////////////////////////
// Name: Node01.ino //
// 01 = Allereerst wegpoetsen van Ping. //
// http://robotigs.nl/robots/includes/parts.php?idpart=344 //
// Een aangepaste versie van Pong //
// Created by: HARB rboek2@gmail.com July 2020 GPL copyrights //
// Platform: Arduino UNO R3 //
////////////////////////////////////////////////////////////////////////////////
// As outputs the following modules are mounted: //
// - Standard Arduino Onboard LED (PWM) //
// http://robotigs.nl/robotigs/includes/parts_header.php?idpart=185 //
// //
// As inputs the following modules are mounted: //
// - Temp DS18B20 //
// http://robotigs.nl/robotigs/includes/parts_header.php?idpart=180 //
// //
// For communications and statistics are mounted: //
// - Standard Serial Monitor output //
// http://robotigs.nl/robotigs/includes/parts_header.php?idpart=43 //
// - LoRa NRF24L01+ unit //
// http://robotigs.nl/robotigs/includes/parts_header.php?idpart=344 //
////////////////////////////////////////////////////////////////////////////////
//Define the needed header files for the precompiler, no charge if not used --
#include <SPI.h> //Serial Peripheral Interface requiered by software LoRa
// http://robotigs.nl/robotigs/includes/parts_header.php?idpart=28
#include <nRF24L01.h>
#include <RF24.h>
#include <printf.h> //Needed to send to monitor radio.printDetails
//Define PINS ----------------------------------------------------------------
#define CE_PIN 10 //CE (Chip Enable) is an active-HIGH pin = SS?
#define CSN_PIN 9 //CSN (Chip Select Not) is an active-LOW pin
//Define EEPROM variables ----------------------------------------------------
//Define DATABASE VARIABLES --------------------------------------------------
//Define variables -----------------------------------------------------------
int ledOnBoardVal = LOW; //You choose HIGH-on or LOW-off for LED_BUILTIN
const byte thisSlaveAddress[5] = {'R','x','A','A','A'};
char dataReceived[10]; // this must match dataToSend in the TX
bool newData = false;
char tmp;
unsigned long countOk, countNok; //Counters for long term tests on stabillity
//User configuration RF24 radio ----------------------------------------------
bool radioNumber = 0; //Set this radio as radio number 1=Ping or 0=Pong
bool role = 0; //Sending or receiving role: 1=Ping out, 0=Pong back
byte addresses[][6] = {"1Node","2Node"};
//Initialize OBJECTS ---------------------------------------------------------
RF24 radio(CE_PIN, CSN_PIN); //SPI & 10=CE 9=CSN Hardware configuration
//END OF PRECOMPILER OPTIONS ---------------------------------------------------
void setup() { //Setup runs once ***********************************************
Serial.begin(115200);
Serial.println("LoRaPingPong setup started");
Serial.println("");
pinMode(CE_PIN, OUTPUT);
pinMode(CSN_PIN, OUTPUT);
radio.begin();
radio.setRetries(4,5); //Delay=3, count=5
radio.setDataRate(RF24_250KBPS);
radio.setPALevel(RF24_PA_MIN); //RF24_PA_MAX=default, HIGH LOW MIN
if(radioNumber){ //Open a writing and reading pipe on each radio
radio.openWritingPipe(addresses[1]);
radio.openReadingPipe(1,addresses[0]);
}else{ //Use opposite addresses for each radio
radio.openWritingPipe(addresses[0]);
radio.openReadingPipe(1,addresses[1]);
} //End of if(radioNumber)
printf_begin(); //Needed to print the radio.printDetails() to a monitor
radio.printDetails(); //Set of data about the transceiver status
radio.startListening(); // Start the radio listening for data
if(radioNumber){
Serial.println("");
Serial.println("Setup done, Ping is running");
Serial.println("*** Enter 'R' or 'r' to change to receiver mode");
Serial.println("");
}else{ //Use opposite texts for each radio
Serial.println("");
Serial.println("Setup done, Pong is running");
Serial.println("*** Enter 'T' or 't' to change to sender mode");
Serial.println("");
}
} //End of setup ---------------------------------------------------------------
void loop() { //KEEP ON RUNNING THIS LOOP FOREVER *****************************
pongback(); //Pong receives timestamp and returns own timestamp
} //End of void loop() ----------------------- KEEP ON RUNNING THIS LOOP FOREVER
void pongback(void) { //Pong receives timestamp and returns own timestamp ******
unsigned long got_time; //Variable for the received timestamp
if (radio.available()){
while (radio.available()) { // While there is data ready
radio.read( &got_time, sizeof(unsigned long) ); // Get the payload
}
//if (got_time > 0){
radio.stopListening(); // First, stop listening so we can talk
radio.write( &got_time, sizeof(unsigned long) ); // Send the final one back.
radio.startListening(); // Now, resume listening so we catch the next packets.
countOk++; //One more succesfull communication
Serial.print(countOk);
Serial.print(" antwoord verzonden ");
Serial.println(got_time);
//}
} else {
//Serial.println("nothing available");
}//End of if (radio.available())
} //Exit pongback --------------------------------------------------------------
void toggle_ledOnBoard(void){ //Toggles the LED_BUILTIN on-board LED on or off *
ledOnBoardVal = !ledOnBoardVal; //Toggle value
digitalWrite(LED_BUILTIN, ledOnBoardVal); //Set Arduino boards onboard LED
} //Exit toggle_ledOnBoard -----------------------------------------------------
void disable_jtag(void) { //Disable jtag to free port C, enabled by default ****
#if defined(JTD) //Not all AVR controller include jtag
MCUCR |= ( 1 << JTD ); //Write twice to disable
MCUCR |= ( 1 << JTD ); //So stutter once
#endif //End of conditional compiling
} //Exit jtag_disable ----------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
// PIN ALLOCATIONS TABLE ARDUINO UNO //
// Board -Atmel- PIN - IDE - Function - Connection ALT //
// //
// CONNECTIONS RAILS TOP LEFT: DIGITAL PWM<~> ******************************* //
// SCL - 28 - PC5 -19/A5- ADC5/SCL/PCINT13 - NC //
// SDA - 27 - PC4 -18/A4- ADC4/SDA/PCINT12 - NC //
// AREF - 21 - REF - - AREF - //
// GND - 22 - GND - - GND - //
// 13 - 19 - PB5 - 13 - SCK/PCINT5 - SCK LoRa oranje BUILT_IN SPI //
// 12 - 18 - PB4 - 12 - MISO/PCINT4 - MISO LoRa geel SPI //
// ~11 - 17 - PB3 - 11 - MOSI/OC2A/PCINT3 - MOSI Lora groen PWM SPI //
// ~10 - 16 - PB2 - 10 - SS/OC1B/PCINT2 - CE LoRa wit PWM SPI //
// ~9 - 15 - PB1 - 9 - OC1A/PCINT1 - CSN LoRa paars PWM //
// 8 - 14 - PB0 - 8 - PCINT0/CLK0/ICP1 - DIO //
// //
// CONNECTIONS RAILS TOP RIGHT: DIGITAL PWM<~> ****************************** //
// 7 - 13 - PD7 - 7 - PCINT23/AIN1 - DIO //
// ~6 - 12 - PD6 - 6 - PCINT22/OCA0/AIN0 - PWM //
// ~5 - 11 - PD5 - 5 - PCINT21/OC0B/T1 - PWM //
// 4 - 6 - PD4 - 4 - PCINT20/XCK/T0 - INT //
// ~3 - 5 - PD3 - 3 - PCINT19/OC2B/INT1 - PWM //
// ~2 - 4 - PD2 - 2 - PCINT18/INT0 - INT //
// TX->1 - 3 - PD1 - 1 - PCINT17/TXD - Serial monitor TXD //
// RX<-0 - 2 - PD0 - 0 - PCINT16/RCD - Serial Monitor RCD //
// //
// CONNECTIONS RAILS BOTTOM LEFT: POWER ************************************* //
// 5V - 7 - VCC - - VCC - VCC //
// RES - 1 - RES - - PCINT14/RESET - RES //
// 3.3V - - - - - //
// 5V - - - - - //
// GND - - - - - //
// GND - - - - - //
// Vin - - - - - //
// //
// CONNECTIONS RAILS BOTTOM RIGHT: ANALOG IN ******************************** //
// A0 - 23 - PC0 -A0/14- ADC0/PCINT8 - ADC //
// A1 - 24 - PC1 -A1/15- ADC1/PCINT9 - ADC //
// A2 - 25 - PC2 -A2/16- ADC2/PCINT10 - ADC //
// A3 - 26 - PC3 -A3/17- ADC3/PCINT12 - ADC //
// A4 - 27 - PC4 -A4/18- ADC4/SDA/PCINT12 - TWI //
// A5 - 28 - PC5 -A5/19- ADC5/SCL/PCINT13 - TWI //
// //
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// EEPROM MEMORY MAP: //
// Start End Number Description //
// 0000 0000 1 Never use this memory location to be AVR compatible //
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// FUSES (can always be altered by using the STK500) //
// On-Chip Debug Enabled: off (OCDEN=0) //
// JTAG Interface Enabled: off (JTAGEN=0) //
// Preserve EEPROM mem through the Chip Erase cycle: On (EESAVE = 0) //
// Boot Flash section = 2048 words, Boot startaddr=$3800 (BOOTSZ=00) //
// Boot Reset vector Enabled, default address=$0000 (BOOTSTR=0) //
// CKOPT fuse (operation dependent of CKSEL fuses (CKOPT=0) //
// Brown-out detection level at VCC=2,7V; (BODLEVEL=0) //
// Ext. Cr/Res High Freq.; Start-up time: 16K CK + 64 ms (CKSEL=1111 SUT=11) //
// //
// LOCKBITS (are dangerous to change, since they cannot be reset) //
// Mode 1: No memory lock features enabled //
// Application Protect Mode 1: No lock on SPM and LPM in Application Section //
// Boot Loader Protect Mode 1: No lock on SPM and LPM in Boot Loader Section //
////////////////////////////////////////////////////////////////////////////////
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