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Add software serial library and demo

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Connect each TX/RX pair as loopback: results in message passing through both pairs of hardware and software UARTs and echoing back input to serial monitor
This commit is contained in:
Aadi Desai 2021-06-01 17:46:31 +01:00
parent a00eb39ad1
commit 02aed60775
2 changed files with 42 additions and 13 deletions
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1
Control/platformio.ini
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@ -15,3 +15,4 @@ framework = arduino
monitor_speed = 115200 monitor_speed = 115200
upload_port = COM[3] upload_port = COM[3]
monitor_filters = send_on_enter monitor_filters = send_on_enter
lib_deps = plerup/EspSoftwareSerial@^6.12.6

54
Control/src/main.cpp
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@ -1,33 +1,61 @@
#include <Arduino.h> #include <Arduino.h>
#include <string> #include <string>
#include <SoftwareSerial.h>
#define RX1pin 14 // Pin 10 on expansion board #define RX1pin 14 // Pin 10 on expansion board
#define TX1pin 4 // Pin 11 on expansion board #define TX1pin 4 // Pin 11 on expansion board
#define RX2pin 15 // Pin 12 on expansion board #define RX2pin 15 // Pin 12 on expansion board
#define TX2pin 2 // Pin 13 on expansion board #define TX2pin 2 // Pin 13 on expansion board
#define RX3pin 18 // Pin 6 on expansion board
#define TX3pin 5 // Pin 7 on expansion board
#define RX4pin 17 // Pin 8 on expansion board
#define TX4pin 16 // Pin 9 on expansion board
void forwardprint(); void forwardprint1() {
if(Serial1.available()){
input1 = String(Serial1.readStringUntil('\n'));
Serial2.println(input1);
}
}
void forwardprint2() {
if(Serial2.available()){
input2 = String(Serial2.readStringUntil('\n'));
Serial3.println(input2);
}
}
void forwardprint3() {
if(Serial3.available()){
input3 = String(Serial3.readStringUntil('\n'));
Serial4.println(input3);
}
}
void forwardprint4() {
if(Serial4.available()){
input4 = String(Serial4.readStringUntil('\n'));
Serial.println(input4);
}
}
int counter; int counter;
String input1, input2; String input, input1, input2, input3, input4;
SoftwareSerial Serial3;
SoftwareSerial Serial4;
void setup() { void setup() {
Serial.begin(115200); // Set up hardware UART 0 (Connected to USB port) Serial.begin(115200); // Set up hardware UART 0 (Connected to USB port)
Serial1.begin(9600, SERIAL_8N1, RX1pin, TX1pin); // Set up hardware UART 1 Serial1.begin(9600, SERIAL_8N1, RX1pin, TX1pin); // Set up hardware UART 1
Serial2.begin(9600, SERIAL_8N1, RX2pin, TX2pin); // Set up hardware UART 2 Serial2.begin(9600, SERIAL_8N1, RX2pin, TX2pin); // Set up hardware UART 2
Serial3.begin(9600, SWSERIAL_8N1, RX3pin, TX3pin); // Set up software UART 3
Serial4.begin(9600, SWSERIAL_8N1, RX4pin, TX4pin); // Set up software UART 4
} }
void loop() { void loop() {
forwardprint();
if(Serial.available()){ if(Serial.available()){
input1 = String(Serial.readStringUntil('\n')); input = String(Serial.readStringUntil('\n'));
Serial1.println(input1); Serial1.println(input);
} }
} forwardprint1();
forwardprint2();
void forwardprint() { forwardprint3();
if(Serial2.available()){ forwardprint4();
input2 = String(Serial2.readStringUntil('\n')); }
Serial.println(input2);
}
}