Files
NMM-1/firmware/v01/v01.ino
2019-01-20 00:44:34 +00:00

454 lines
16 KiB
C++

/*********************************************************************
NMM-1
NMEA0183 serial Monitor.
By Jony Silva
Wed 24 Jan 23:11:25 GMT 2018
*********************************************************************/
// Libraries to be included
#include <SPI.h>
#include <Wire.h>
#include <SoftwareSerial.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define OLED_RESET 8
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 56 // OLED display height, in pixels
// create display object for oled display
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
#define ON 0 // ON means pin is on GND
#define OFF 1 // OFF means pin is on VCC
// Assign switches and led's to arduino pins
#define UP 2 // Switch 1 will be function UP connected to arduino PD 2
#define OK 3 // Switch 2 will be function OK connected to arduino pin 3
#define DOWN 4 // Switch 3 will be function DOWN connected to arduino pin 4
#define CANCEL 5 // Switch 4 will be function CANCEL connected to arduino pin 5
#define led1 9 // Led 1 connected to arduino pin 9
#define led2 10 // Led 2 connected to arduino pin 10
#define batt 17 // Battery plus connected to arduino pin 17
// Macros to read the switchs
#define rUP digitalRead(UP) // Read button UP state
#define rOK digitalRead(OK) // Read button OK state
#define rDOWN digitalRead(DOWN) // Read button DOWN state
#define rCANCEL digitalRead(CANCEL) // Read button CANCEL state
// Function declarations
void one(); // Menu one
void two(); // Menu two
void three(); // Menu three
void four(); // Menu four
void read_serial(); // Menu that reads the serial
void write_gps(); // Menu that writes gps out to serial
void write_hdg(); // Menu that writes hdg out to serial
void write_dep(); // Menu that writes dep out to serial
void batt_icon(); // Draws the battery icon acording to value
void write_serial(); // Menu that writes to serial
// Variables creation
int menuState = 1; // Integer with the number of the menu you are in
int prevMenu = 1; // Previous menu
int UP_state = OFF; // Holds state for UP, either ON or OFF
int OK_state = OFF; // Holds state for OK, either ON or OFF
int DOWN_state = OFF; // Holds state for DOWN, either ON or OFF
int CANCEL_state = OFF; // Holds state for CANCEL, either ON or OFF
int batt_val = 0; // Holds the value of battery voltage
int read_s = 0; // Serial flag, if 0 not reading, if 1 is reading
// Create SoftwareSerial object and designate pins
SoftwareSerial mySerial(6, 7); // RX, TX
void setup() { // BEGIN SETUP ------------------------------------
pinMode(led1, OUTPUT); // Led 1 is an output
pinMode(led2, OUTPUT); // Led 2 is an output
pinMode(UP, INPUT); // Switch 1 is an input
pinMode(OK, INPUT); // Switch 2 is an input
pinMode(DOWN, INPUT); // Switch 3 is an input
pinMode(CANCEL, INPUT); // Switch 4 is an input
// Define the starting state of the led's
digitalWrite(led1,HIGH); // Turn off led 1
digitalWrite(led2,HIGH); // Turn off led 2
// set the data rate for the Serial port
Serial.begin(4800);
// by default, we'll generate the high voltage from the 3.3v line internally! (neat!)
display.begin(SSD1306_SWITCHCAPVCC, 0x3C); // initialize with the I2C addr 0x3C (for the 128x32)
// init done
// initialize timer1 ---------------------------------------
noInterrupts(); // disable all interrupts
TCCR1A = 0;
TCCR1B = 0;
TCNT1 = 0;
OCR1A = 9000; // Load value to compare
TCCR1B |= (1 << WGM12); // CTC mode
TCCR1B |= (1 << CS10); // 64 prescaler
TCCR1B |= (1 << CS11); //
TIMSK1 |= (1 << OCIE1A); // enable timer compare interrupt
interrupts(); // enable all interrupts
// ----------------------------------------------------------
// Clear the buffer.
display.clearDisplay(); // Clean display
display.display(); // Refresh display
display.setTextSize(2); // Set text size on the display
display.setTextColor(WHITE); // Set text color on the display
display.setCursor(36,18); // Set the display cursor to position
display.println("NMM-1"); // Print on display
display.display(); // Refresh display
delay(3000);
display.clearDisplay(); // Clean display
display.display(); // Refresh display
} // END SETUP --------------------------------------------------------------------
// Timer compare interrupt service routine --------------------------
ISR(TIMER1_COMPA_vect)
{
if (!rUP) // If button UP pressed
{
if (menuState == 1){} // Do nothing and leave menuState
// as it is (1)
else {
menuState--;
}
while (!rUP); // Check if button is still pressed, do nothing
}
if (!rDOWN) // If button DOWN pressed
{
if (menuState == 4){} // Do nothing and leave menuState
// as it is (4)
else {
menuState++;
}
while (!rDOWN); // Check if button is still pressed, do nothing
}
if (!rOK) // If button OK pressed
{
if (menuState == 1) // and the menuState is 1
{
prevMenu = menuState; // set prevMenu to 1
menuState = 10; // then reset menuState to 10
}
else if (menuState == 2) // If menuState is 2
{
prevMenu = menuState; // set prevMenu to 2
menuState = 11; // then reset menuState to 11
}
else if (menuState == 3) // If menuState is 3
{
prevMenu = menuState; // set prevMenu to 3
menuState = 12; // then reset menuState to 12
}
else if (menuState == 4) // If menuState is 4
{
prevMenu = menuState; // set prevMenu to 4
menuState = 13; // then reset menuState to 13
}
while (!rOK); // Check if button is still pressed, do nothing
}
if (!rCANCEL) // If button CANCEL pressed
{
menuState = prevMenu; // set menuState to same value as prevMenu
while (!rCANCEL); // Check if button is still pressed, do nothing
}
}
// End of Timer compare interrupt ---------------------------------------
// Main loop routine -----------------------------------------
void loop()
{
batt_val = analogRead(batt); // Read analog value from battery into batt_val
if (menuState == 1) // If menuState is 1
{
one(); // call function one()
mySerial.end(); // close serial connection
read_s = 0; // and set read_s to 0
}
else if (menuState == 2) // If menuState is 2
{
two(); // call function two()
mySerial.end(); // close serial connection
read_s = 0; // and set read_s to 0
}
else if (menuState == 3) // If menuState is 3
{
three(); // call function three()
mySerial.end(); // close serial connection
read_s = 0; // and set read_s to 0
}
else if (menuState == 4) // If menuState is 4
{
four(); // call function four()
mySerial.end(); // close serial connection
read_s = 0; // and set read_s to 0
}
else if (menuState == 10) // If menuState is 10
{
if (read_s == 0) // and read_s is 0
{
mySerial.begin(4800); // Start serial with 4800bps
read_s = 1; // set read_s to 1
display.clearDisplay(); // Clean display
display.setTextSize(1); // Set text size on the display
display.setTextColor(WHITE); // Set text color on the display
display.setCursor(1,17); // Set the display cursor to position
display.println("Sending GPS....."); // Print on display
batt_icon(); // call function batt_icon()
display.display(); // Refresh display
}
write_gps(); // call function write_gps()
}
else if (menuState == 11) // If menuState is 11
{
if (read_s == 0) // and read_s is 0
{
mySerial.begin(4800); // Start serial with 4800bps
read_s = 1; // set read_s to 1
display.clearDisplay(); // Clean display
display.setTextSize(1); // Set text size on the display
display.setTextColor(WHITE); // Set text color on the display
display.setCursor(1,17); // Set the display cursor to position
display.println("Sending Heading....."); // Print on display
batt_icon(); // call function batt_icon()
display.display(); // Refresh display
}
write_hdg(); // call function write_hdg()
}
else if (menuState == 12) // If menuState is 12
{
if (read_s == 0) // and read_s is 0
{
mySerial.begin(4800); // Start serial with 4800bps
read_s = 1; // set read_s to 1
display.clearDisplay(); // Clean display
display.setTextSize(1); // Set text size on the display
display.setTextColor(WHITE); // Set text color on the display
display.setCursor(1,17); // Set the display cursor to position
display.println("Sending Depth....."); // Print on display
batt_icon(); // call function batt_icon()
display.display(); // Refresh display
}
write_dep(); // call function write_dep()
}
else if (menuState == 13) // If menuState is 13
{
if (read_s == 0) // and read_s is 0
{
mySerial.begin(4800); // Start serial with 4800bps
read_s = 1; // set read_s to 1
display.clearDisplay(); // Clean display
display.setTextSize(1); // Set text size on the display
display.setTextColor(WHITE); // Set text color on the display
display.setCursor(1,17); // Set the display cursor to position
display.println("RS-422 to USB"); // Print on display
display.println("Sending..."); // Print on display
batt_icon(); // call function batt_icon()
display.display(); // Refresh display
}
read_serial(); // call function read_serial()
}
else // otherwise
{
one(); // call function one()
mySerial.end(); // close serial connection
read_s = 0; // set read_s to 0
}
}
// END of Main loop routine -----------------------------------------
void batt_icon (void)
{
if (batt_val > 962) // If analog value is bigger then 962
{
// Draw the battery icon - Full battery
display.drawRect(111, 1, 16, 6, WHITE); // Draw white reactangle with coordinates
display.drawRect(112, 2, 14, 4, WHITE);
display.drawRect(113, 3, 12, 2, WHITE);
display.drawPixel(110, 3, WHITE); // Draw white dot with coordinates
display.drawPixel(110, 4, WHITE);
display.drawPixel(109, 3, WHITE);
display.drawPixel(109, 4, WHITE);
display.drawPixel(108, 3, WHITE);
display.drawPixel(108, 4, WHITE);
}
else if ((batt_val > 901) & (batt_val < 962)) // If analog value is between 901 and 962
{
// Draw the battery icon - 2/3 battery
display.drawRect(111, 1, 16, 6, WHITE); // Draw white reactangle with coordinates
display.drawRect(116, 2, 10, 4, WHITE);
display.drawRect(117, 3, 8, 2, WHITE);
display.drawPixel(110, 3, WHITE); // Draw white dot with coordinates
display.drawPixel(110, 4, WHITE);
display.drawPixel(109, 3, WHITE);
display.drawPixel(109, 4, WHITE);
display.drawPixel(108, 3, WHITE);
display.drawPixel(108, 4, WHITE);
}
else if ((batt_val > 840) & (batt_val < 901)) // If analog value is between 840 and 901
{
// Draw the battery icon - 1/3 battery
display.drawRect(111, 1, 16, 6, WHITE); // Draw white reactangle with coordinates
display.drawRect(121, 2, 5, 4, WHITE);
display.drawRect(122, 3, 3, 2, WHITE);
display.drawPixel(110, 3, WHITE); // Draw white dot with coordinates
display.drawPixel(110, 4, WHITE);
display.drawPixel(109, 3, WHITE);
display.drawPixel(109, 4, WHITE);
display.drawPixel(108, 3, WHITE);
display.drawPixel(108, 4, WHITE);
}
else // otherwise
{
// Draw the battery icon - Empty battery
display.setCursor(35,1); // Set the display cursor to position
display.println("BATT LOW"); // Print on display
display.drawRect(111, 1, 16, 6, WHITE); // Draw white reactangle with coordinates
display.drawPixel(110, 3, WHITE); // Draw white dot with coordinates
display.drawPixel(110, 4, WHITE);
display.drawPixel(109, 3, WHITE);
display.drawPixel(109, 4, WHITE);
display.drawPixel(108, 3, WHITE);
display.drawPixel(108, 4, WHITE);
}
}
void one (void)
{
display.clearDisplay(); // Clean display
display.setTextSize(1); // Set text size on the display
display.setTextColor(WHITE); // Set text color on the display
display.setCursor(1,18); // Set the display cursor to position
display.println("Send GPS <--"); // Print on display
display.setCursor(1,28); // Set the display cursor to position
display.println("Send Heading"); // Print on display
display.setCursor(1,38); // Set the display cursor to position
display.println("Send Depth"); // Print on display
display.setCursor(1,48); // Set the display cursor to position
display.println("RS422 <==> USB"); // Print on display
batt_icon(); // call function batt_icon()
display.display(); // Refresh display
}
void two (void)
{
display.clearDisplay(); // Clean display
display.setTextSize(1); // Set text size on the display
display.setTextColor(WHITE); // Set text color on the display
display.setCursor(1,18); // Set the display cursor to position
display.println("Send GPS"); // Print on display
display.setCursor(1,28); // Set the display cursor to position
display.println("Send Heading <--"); // Print on display
display.setCursor(1,38); // Set the display cursor to position
display.println("Send Depth"); // Print on display
display.setCursor(1,48); // Set the display cursor to position
display.println("RS422 <==> USB"); // Print on display
batt_icon(); // call function batt_icon()
display.display(); // Refresh display
}
void three (void)
{
display.clearDisplay(); // Clean display
display.setTextSize(1); // Set text size on the display
display.setTextColor(WHITE); // Set text color on the display
display.setCursor(1,18); // Set the display cursor to position
display.println("Send GPS"); // Print on display
display.setCursor(1,28); // Set the display cursor to position
display.println("Send Heading"); // Print on display
display.setCursor(1,38); // Set the display cursor to position
display.println("Send Depth <--"); // Print on display
display.setCursor(1,48); // Set the display cursor to position
display.println("RS422 <==> USB"); // Print on display
batt_icon(); // call function batt_icon()
display.display(); // Refresh display
}
void four (void)
{
display.clearDisplay(); // Clean display
display.setTextSize(1); // Set text size on the display
display.setTextColor(WHITE); // Set text color on the display
display.setCursor(1,18); // Set the display cursor to position
display.println("Send GPS"); // Print on display
display.setCursor(1,28); // Set the display cursor to position
display.println("Send Heading"); // Print on display
display.setCursor(1,38); // Set the display cursor to position
display.println("Send Depth"); // Print on display
display.setCursor(1,48); // Set the display cursor to position
display.println("RS422 <==> USB <--"); // Print on display
batt_icon(); // call function batt_icon()
display.display(); // Refresh display
}
void read_serial (void)
{
if (mySerial.available()) // If incoming NMEA0183 serial
{
Serial.write(mySerial.read()); // redirect it to USB
}
if (Serial.available()) // If incoming USB serial
{
mySerial.write(Serial.read()); // redirect it to NMEA0183 serial
}
}
void write_gps (void)
{
// Write NMEA0183 GPS sentence to USB
mySerial.print("$GPGGA,090000.10,6350.37829338,N,02225.18272240,W,1,05,2.87,160.00,M,-21.3213,M,,*64");
mySerial.println(); // Send string to NMEA0183 serial
delay(100);
}
void write_hdg (void)
{
// Write NMEA0183 Heading sentence to USB
mySerial.print("$HEHDT,268.4,T*27");
mySerial.println(); // Send string to NMEA0183 serial
delay(100);
}
void write_dep (void)
{
// Write NMEA0183 Depth sentence to USB
mySerial.print("$SDDBT,0038.0,f,0011.6,M,0006.3,F");
mySerial.println(); // Send string to NMEA0183 serial
delay(100);
}