SoftSerialVersion
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/*
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This code is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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// Version 1.5, 16.12.2020, AK-Homberger
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#include <avr/pgmspace.h>
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#include <SPI.h>
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#include <Wire.h>
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#include "SSD1306Ascii.h"
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#include "SSD1306AsciiWire.h"
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#include <RCSwitch.h> // May impact the display ....
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#include <SoftwareSerial.h>
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#define PIN_SOFTSERIAL_RX 3
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#define PIN_SOFTSERIAL_TX 4
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#define PIN_RF_433 0 // THIS IS THE INTERUPT. 0 = pin2
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#define PIN_LED 6
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#define PIN_BUZZ 7
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#define I2C_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
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#define SCREEN_WIDTH 128 // OLED display width, in pixels
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#define SCREEN_HEIGHT 64 // OLED display height, in pixels
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// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
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#define RST_PIN -1 // Reset pin # (or -1 if sharing Arduino reset pin)
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#define Auto_Standby_Support 1 // Set this to 1 to support Standby and Auto for Key 5 and 6
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#define KEY_DELAY 300 // 300 ms break between keys
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#define BEEP_DURATION 150 // 150 ms beep time
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#define DEBUG
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String inputString = ""; // a String to hold incoming data
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bool stringComplete = false; // whether the string is complete
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const unsigned long Key_Minus_1 PROGMEM = 1111001; // Change values to individual values programmed to remote control
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const unsigned long Key_Plus_1 PROGMEM = 1111002;
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const unsigned long Key_Minus_10 PROGMEM = 1111003;
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const unsigned long Key_Plus_10 PROGMEM = 1111004;
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const unsigned long Key_Auto PROGMEM = 1111005;
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const unsigned long Key_Standby PROGMEM = 1111006;
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// Seatalk datagrams
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const PROGMEM uint16_t ST_NMEA_BridgeID[] = { 0x190, 0x00, 0xA3 };
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const PROGMEM uint16_t ST_Minus_1[] = { 0x186, 0x21, 0x05, 0xFA };
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const PROGMEM uint16_t ST_Minus_10[] = { 0x186, 0x21, 0x06, 0xF9 };
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const PROGMEM uint16_t ST_Plus_1[] = { 0x186, 0x21, 0x07, 0xF8 };
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const PROGMEM uint16_t ST_Plus_10[] = { 0x186, 0x21, 0x08, 0xF7 };
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const PROGMEM uint16_t ST_Auto[] = { 0x186, 0x21, 0x01, 0xFE };
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const PROGMEM uint16_t ST_Standby[] = { 0x186, 0x21, 0x02, 0xFD };
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const PROGMEM uint16_t ST_BeepOn[] = { 0x1A8, 0x53, 0x80, 0x00, 0x00, 0xD3 };
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const PROGMEM uint16_t ST_BeepOff[] = { 0x1A8, 0x43, 0x80, 0x00, 0x00, 0xC3 };
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const PROGMEM uint16_t ST_Lamp0[] = { 0x130, 0x00, 0x00 };
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const PROGMEM uint16_t ST_Lamp1[] = { 0x130, 0x00, 0x04 };
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const PROGMEM uint16_t ST_Lamp2[] = { 0x130, 0x00, 0x08 };
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const PROGMEM uint16_t ST_Lamp3[] = { 0x130, 0x00, 0x0C };
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boolean blink = true;
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unsigned long wind_timer = 0; // timer for AWS display
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unsigned long beep_timer2 = 0; // timer to stop alarm sound
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unsigned long bridge_timer = 0; // timer to send ST Bridge ID every 10 seconds
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unsigned long key_time = 0; // time of last key detected
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unsigned long beep_time = 0; // timer for beep duration
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bool beep_status = false;
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RCSwitch mySwitch = RCSwitch();
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SSD1306AsciiWire oled;
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SoftwareSerial SerialSoft(PIN_SOFTSERIAL_RX, PIN_SOFTSERIAL_TX); // RX, TX
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boolean sendDatagram(const uint16_t data[]) {
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int i = 0; int j = 0;
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boolean ok = true;
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int bytes;
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unsigned int inbyte;
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unsigned int outbyte;
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bytes = (pgm_read_byte_near(data + 1) & 0x0f) + 3; // Messege length is minimum 3, additional bytes in nibble 4
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while (j < 5 ) { // CDMA/CD 5 tries
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while (Serial.available ()) { // Wait for silence on the bus
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inbyte = (Serial.read());
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delay(3);
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}
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ok = true;
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for (i = 0; (i < bytes) & (ok == true); i++) { // Write and listen to detect collisions
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outbyte = pgm_read_word_near(data + i);
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Serial.write(outbyte);
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delay(3);
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if (Serial.available ()) {
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inbyte = Serial.read(); // Not what we sent, collision!
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if (inbyte != outbyte) {
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ok = false;
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// SerialSoft.println("ST - I<>O");
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}
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}
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else {
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ok = false; // Nothing received
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// SerialSoft.println("ST - Nothing in");
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}
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}
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if ( ok )return ok;
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j++; // Collision detected
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#ifdef DEBUG
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SerialSoft.println("Collision");
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// Display("Collision");
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#endif
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delay(random(2, 50)); // Random wait for next try
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}
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Display("Send Error");
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return false;
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}
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void Display(char *s) {
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oled.clear();
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oled.println(s);
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wind_timer = millis();
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}
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void printByte(unsigned int data) {
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SerialSoft.print("byte : ");
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SerialSoft.print("0x");
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uint8_t MSB=byte(data>>8);
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uint8_t LSB=byte(data);
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if (MSB<0x10) {SerialSoft.print("0");} SerialSoft.print(MSB,HEX); SerialSoft.print(" ");
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if (LSB<0x10) {SerialSoft.print("0");} SerialSoft.print(LSB,HEX); SerialSoft.print(" ");
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SerialSoft.println("");
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}
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// Receive apparent wind speed from bus
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int checkWind(char * AWS) {
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unsigned int xx;
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unsigned int y;
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unsigned int inbyte;
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int wind = -1;
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if (Serial.available ()) {
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inbyte = Serial.read();
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#ifdef DEBUG
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printByte(inbyte);
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#endif
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if (inbyte == 0x111) { // AWS Seatalk command - See reference from Thomas Knauf
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delay(3);
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inbyte = Serial.read();
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#ifdef DEBUG
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printByte(inbyte);
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#endif
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if (inbyte == 0x01) { // AWS Setalk command
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delay(3);
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xx = Serial.read();
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#ifdef DEBUG
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printByte(inbyte);
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#endif
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delay(3);
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y = Serial.read();
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#ifdef DEBUG
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printByte(inbyte);
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#endif
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wind = (xx & 0x7f) + (y / 10); // Wind speed
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if (wind < 100) itoa (wind , AWS, 10); // Greater 100 must be a receive error
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}
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}
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}
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return wind;
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}
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void setup() {
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SerialSoft.begin( 9600 ); // Serial out put for function checks with PC
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Serial.begin( 4800, SERIAL_9N1 ); // Set the Seatalk modus - 9 bit
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Serial.setTimeout(5);
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#ifdef DEBUG
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SerialSoft.println(F("Setup Begin"));
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#endif
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// reserve 20 bytes for the inputString:
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inputString.reserve(20);
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pinMode(PIN_LED, OUTPUT); // LED to show if keys are received
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digitalWrite(PIN_LED, HIGH);
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pinMode(PIN_BUZZ, OUTPUT); // Buzzer to show if keys are received
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digitalWrite(PIN_BUZZ, LOW);
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Wire.begin();
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Wire.setClock(400000L);
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#if RST_PIN >= 0
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oled.begin(&Adafruit128x64, I2C_ADDRESS, RST_PIN);
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#else // RST_PIN >= 0
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oled.begin(&Adafruit128x64, I2C_ADDRESS);
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#endif // RST_PIN >= 0
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oled.setFont(Cooper19);
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oled.clear();
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oled.println("Starting");
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mySwitch.enableReceive(0); // RF Receiver on inerrupt 4 => that is pin 7 on Micro
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sendDatagram(ST_NMEA_BridgeID); // Send NMEA Seatakl BridgeID to make Seatalk to Seatalk NG converter happy
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#ifdef DEBUG
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SerialSoft.println(F("Setup Complete"));
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#endif
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Display("Started");
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}
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// Beep on if key received
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void BeepOn(void) {
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if (beep_status == true) return; // Already On
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sendDatagram(ST_BeepOn);
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digitalWrite(PIN_BUZZ, HIGH);
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//SerialSoft.println("On");
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beep_time = millis();
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beep_status = true;
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}
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// Beep off after BEEP_TIME
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void BeepOff(void) {
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if (beep_status == true && millis() > beep_time + BEEP_DURATION) {
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sendDatagram(ST_BeepOff);
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digitalWrite(PIN_BUZZ, LOW);
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//SerialSoft.println("Off");
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beep_status = false;
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}
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}
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/*
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SerialEvent occurs whenever a new data comes in the hardware serial RX. This
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routine is run between each time loop() runs, so using delay inside loop can
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delay response. Multiple bytes of data may be available.
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*/
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void serialEvent() {
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while (SerialSoft.available()) {
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// get the new byte:
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char inChar = (char)SerialSoft.read();
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// add it to the inputString:
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if ((inChar != '\n') && (inChar != '\r')) inputString += inChar;
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// if the incoming character is a newline or CR, set a flag so the main loop can react
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if ((inChar == '\n') || (inChar == '\r')) {
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stringComplete = true;
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}
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}
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}
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void loop() {
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char AWS[4] = "";
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unsigned long value = 0;
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if (millis() > wind_timer + 2000 ) {
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// Display("No Wdata"); // Show --- after about two seconds when no wind data is received
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wind_timer = millis();
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}
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if (millis() > beep_timer2 + 3000 ) {
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sendDatagram(ST_BeepOff); // Additional Beep off after three seconds to avoid constant alarm
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beep_timer2 = millis();
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}
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if (millis() > bridge_timer + 10000 ) {
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#ifdef DEBUG
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SerialSoft.println("Send Bridge ID");
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#endif
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sendDatagram(ST_NMEA_BridgeID); // Send NMEA Seatakl BridgeID every 10 seconds to make Seatalk to Seatalk NG converter happy
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bridge_timer = millis();
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}
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if (checkWind(AWS) > -1) {
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Display(AWS);
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wind_timer = millis();
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}
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if (mySwitch.available()) {
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value = mySwitch.getReceivedValue();
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mySwitch.resetAvailable();
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}
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serialEvent(); // Read serial to detect command from USB (until Newline or CR)
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if (stringComplete) {
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// Compare string received from SerialSoft
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if(inputString == "-1" ) value = Key_Minus_1;
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if(inputString == "+1" ) value = Key_Plus_1;
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if(inputString == "-10") value = Key_Minus_10;
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if(inputString == "+10") value = Key_Plus_10;
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if(inputString == "A" ) value = Key_Auto;
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if(inputString == "S" ) value = Key_Standby;
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// clear the string and reset status
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inputString = "";
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stringComplete = false;
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}
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if (value > 0 && millis() > key_time + KEY_DELAY) {
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#ifdef DEBUG
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oled.clear();
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oled.println("Value : ");
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oled.println(value);
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SerialSoft.print(F("rf_code ")); SerialSoft.println(value);
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#endif
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key_time = millis(); // Remember time of last key received
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digitalWrite(PIN_LED, blink); // LED on/off
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blink = !blink; // Toggle LED to show received key
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switch(value) {
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case Key_Minus_1:
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Display("min1");
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sendDatagram(ST_Minus_1);
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BeepOn();
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break;
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case Key_Plus_1:
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Display("plus1");
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sendDatagram(ST_Plus_1);
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BeepOn();
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break;
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case Key_Minus_10:
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Display("min10");
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sendDatagram(ST_Minus_10);
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BeepOn();
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break;
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case Key_Plus_10:
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Display("plus10");
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sendDatagram(ST_Plus_10);
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BeepOn();
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break;
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case Key_Auto:
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if(Auto_Standby_Support == 1) {
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Display("Auto");
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sendDatagram(ST_Auto);
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BeepOn();
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}
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break;
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case Key_Standby:
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if(Auto_Standby_Support == 1) {
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Display("Stby");
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sendDatagram(ST_Standby);
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BeepOn();
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}
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break;
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case 97:
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Display("Lamp 0");
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sendDatagram(ST_Lamp0);
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BeepOn();
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break;
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case 98:
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Display("Lamp 1");
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sendDatagram(ST_Lamp1);
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BeepOn();
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break;
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case 99:
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Display("Lamp 2");
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sendDatagram(ST_Lamp2);
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BeepOn();
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|
break;
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case 100:
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Display("Lamp 3");
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|
sendDatagram(ST_Lamp3);
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BeepOn();
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|
break;
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||||||
|
case 101:
|
||||||
|
Display("Beep ON");
|
||||||
|
sendDatagram(ST_BeepOn);
|
||||||
|
BeepOn();
|
||||||
|
break;
|
||||||
|
case 102:
|
||||||
|
Display("Beep OFF");
|
||||||
|
sendDatagram(ST_BeepOff);
|
||||||
|
BeepOn();
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
BeepOff();
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user