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LoRa-chat.ino
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LoRa-chat.ino
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#include <SPI.h>
#include <LoRa.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>
#include "XPT2046_touch.h" // Serasidis_XPT2046_touch library!! https://github.com/rogerclarkmelbourne/Arduino_STM32
#include <avr/pgmspace.h>
#include <Wire.h>
#include <ds3231.h> // DS3231FS library!! https://github.com/Jorropo/ds3231
#include "SdFat.h"
//869.525000 use a long 869525000 <-just example
// 100000000 E6
//float snr = LoRa.packetSnr();
//LoRa.setTxPower(txPower);
//LoRa.setSpreadingFactor(spreadingFactor); //6-12
//LoRa.setSignalBandwidth(signalBandwidth); //7.8E3, 10.4E3, 15.6E3, 20.8E3, 31.25E3, 41.7E3, 62.5E3, 125E3(def), 250E3
//LoRa.setCodingRate4(codingRateDenominator); //Supported values are between 5 and 8, these correspond to coding rates of 4/5 and 4/8.
//LoRa.setSyncWord(syncWord); //def 12
//LoRa.enableCrc(); //LoRa.disableCrc();
//byte b = LoRa.random(); //Returns random byte.
#define IsWithin(x, a, b) ((x>=a)&&(x<=b))
#define TS_MINX 400 // 350 // 229 Adjust those manually!
#define TS_MINY 200 // 236 // 236 DOWN
#define TS_MAXX 3950 // 3840 // 3840
#define TS_MAXY 3850 // // 3903 UP
//Colors:
//#define ILI9341_BLACK 0x0000 ///< 0, 0, 0 Builtin commands:
//#define ILI9341_NAVY 0x000F ///< 0, 0, 123 calibON - turn on touch debug
//#define ILI9341_DARKGREEN 0x03E0 ///< 0, 125, 0 calibOFF - turn off touch debug
//#define ILI9341_DARKCYAN 0x03EF ///< 0, 125, 123
//#define ILI9341_MAROON 0x7800 ///< 123, 0, 0
//#define ILI9341_PURPLE 0x780F ///< 123, 0, 123
//#define ILI9341_OLIVE 0x7BE0 ///< 123, 125, 0
//#define ILI9341_LIGHTGREY 0xC618 ///< 198, 195, 198
//#define ILI9341_DARKGREY 0x7BEF ///< 123, 125, 123
//#define ILI9341_BLUE 0x001F ///< 0, 0, 255
//#define ILI9341_GREEN 0x07E0 ///< 0, 255, 0
//#define ILI9341_CYAN 0x07FF ///< 0, 255, 255
//#define ILI9341_RED 0xF800 ///< 255, 0, 0
//#define ILI9341_MAGENTA 0xF81F ///< 255, 0, 255
//#define ILI9341_YELLOW 0xFFE0 ///< 255, 255, 0
//#define ILI9341_WHITE 0xFFFF ///< 255, 255, 255
//#define ILI9341_ORANGE 0xFD20 ///< 255, 165, 0
//#define ILI9341_GREENYELLOW 0xAFE5 ///< 173, 255, 41
//#define ILI9341_PINK 0xFC18 ///< 255, 130, 198
const char Mobile_KB[3][13] PROGMEM = {
{0, 13, 10, 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P'},
{1, 12, 9, 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L'},
{3, 10, 7, 'Z', 'X', 'C', 'V', 'B', 'N', 'M'},
};
const char Mobile_NumKeys[3][13] PROGMEM = {
{0, 13, 10, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0'},
{0, 13, 10, '-', '/', ':', ';', '(', ')', '$', '&', '@', '"'},
{5, 8, 5, '.', '\,', '?', '!', '\''}
};
const char Mobile_SymKeys[3][13] PROGMEM = {
{0, 13, 10, '[', ']', '{', '}', '#', '%', '^', '*', '+', '='},
{4, 9, 6, '_', '\\', '|', '~', '<', '>'}, //4
{5, 8, 5, '.', '\,', '?', '!', '\''}
};
//======================================================================Vsyakaya hernya=====================================
bool command = false; //command or message? exec or send?
bool calib = false; //Yellow touch calibration marks
const char textLimit = 53; //Max message len
unsigned int lightTimeout = 0;
char MyBuffer[textLimit];
uint16_t xy[2];
ts tiime; //ts is a struct findable in ds3231.h
char s[19]; //RTCtime sprint buffer
char sdate[10]; //RTC date for filenaming
bool sdini = 0;
String liniya;
char lines0[55];
char lines1[55];
char lines2[55];
char lines3[55];
char lines4[55];
char lines5[55];
char lines6[55];
char lines7[55];
char lines8[55];
char lines9[55];
//char fileLine[100]; //Read a line from file
SPIClass mySPI(1); //Create an SPI instance on SPI1 port.
XPT2046_touch tscr(PB11, mySPI); //Chip Select pin, SPI port
Adafruit_ILI9341 tft = Adafruit_ILI9341(PA4, PA1); //TFT_SS, TFT_DC
SdFat SD;
File myFile;
void setup() {
mySPI.beginTransaction(SPISettings(2000000, MSBFIRST, SPI_MODE0)); //1000000
Serial.begin(115200);
pinMode(PB0, OUTPUT); //LoRa Reset pin
pinMode(PB1, INPUT); //LoRa Interrupt pin
pinMode(PB11, OUTPUT); //Touch slave select
pinMode(PB10, INPUT); //Touch IRQ
pinMode(PA4, OUTPUT); //TFT slave select
pinMode(PA1, OUTPUT); //TFT DC
pinMode(PA2, OUTPUT); //TFT LED
pinMode(PC13, OUTPUT); //OnBoard LED
pinMode(PA3, OUTPUT); //SD card slave select
gpio_write_bit(GPIOB, 11, 1);
gpio_write_bit(GPIOA, 4, 1);
gpio_write_bit(GPIOA, 3, 1);
gpio_write_bit(GPIOA, 2, 1); //LED on
delay(100); //USB serial init time.
Wire.begin(); //For RTC. SCL-PB6, SDA-PB7
tft.begin();
tft.fillScreen(ILI9341_BLUE);
tft.setRotation(7); //7 or -1-
DS3231_init(DS3231_INTCN); //register the ds3231 (DS3231_INTCN is the default address of ds3231, this is set by macro for no performance loss)
delay (50);
while (!sdini) {
if (!SD.begin(PA3)) { //(!SD.begin(PA3, SPI_FULL_SPEED));
tft.setTextSize(2);
tft.setCursor(0, 0);
tft.setTextColor(ILI9341_WHITE, ILI9341_RED);
tft.println(F("SDcard init. failed!"));
tft.println(F("(re)insert card now."));
Serial.println("SDcard init. failed! Retrying.");
gpio_write_bit(GPIOC, 13, !digitalRead(PC13)); // migat`!
delay (100);
}
else {
sdini = 1;
}
}
delay(50);
LoRa.setPins(PA0, PB0, PB1); //(ss, reset, dio0-interrupt)
// LoRa.setSPIFrequency(2E6);
if (!LoRa.begin(433000000)) { //433e6 Hz
tft.setTextSize(2);
tft.setCursor(0, 0);
tft.setTextColor(ILI9341_WHITE, ILI9341_RED);
tft.print(F("LoRa connection failed!"));
delay(500);
Serial.println(F("LoRa connection failed!"));
while (1);
}
delay(100);
LoRa.setTxPower(20);
LoRa.setSpreadingFactor(11); //6-12
LoRa.setSignalBandwidth(125E3); //7.8E3, 10.4E3, 15.6E3, 20.8E3, 31.25E3, 41.7E3, 62.5E3, 125E3(def), 250E3
LoRa.setCodingRate4(8); //Supported values are between 5 and 8, these correspond to coding rates of 4/5 and 4/8.
LoRa.enableCrc(); //LoRa.disableCrc();
tscr.begin();
MakeKB_Button(Mobile_KB);
DS3231_get(&tiime); ///////////// dlya filename //////////////
sprintf_P(s, PSTR("%02d.%02d.%02d %02d:%02d:%02d"), tiime.mday, tiime.mon, tiime.year_s , tiime.hour, tiime.min, tiime.sec);
sprintf_P(sdate, PSTR("%02d%02d%02d"), tiime.mday, tiime.mon, tiime.year);
myFile = SD.open(sdate, FILE_WRITE);
////////////////////////////// READ first LINE from file if exist /////////////////////////////
tft.setTextSize(1);
tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
tft.setCursor(1, 231);
// myFile.fgets(fileLine, sizeof(fileLine));
// tft.print(fileLine);
// myFile.close();
tft.print("Using logfile: ");
tft.print(sdate);
////////////////////////////// READ first LINE from file if exist /////////////////////////////
}
void loop() {
gpio_write_bit(GPIOC, 13, !digitalRead(PC13)); // migat` stsuk!
if (digitalRead(PB10) == 0) { // Touch IRQ
TS_Point p = tscr.getPoint();
if (p.z > 0) {
GetKeyPress(MyBuffer);
}
}
/////////////////////////////////////////////////// try to parse packet
int packetSize = LoRa.parsePacket();
if (packetSize) {
// received a packet
gpio_write_bit(GPIOA, 2, 1), lightTimeout = 0; //LED on
myFile.print(s);
myFile.print(" Rx: ");
///////////////////////////////// read packet
while (LoRa.available()) {
liniya = LoRa.readString();
myFile.print(liniya);
}
myFile.print(" With RSSI: ");
myFile.print(LoRa.packetRssi());
myFile.print(" SNR: ");
float snr = LoRa.packetSnr();
myFile.println(snr);
myFile.flush();
liniya = 'R' + liniya;
moveUP();
}
if (millis() % 1000 == 0) { ////////////// Update CLOCK
DS3231_get(&tiime);
sprintf_P(s, PSTR("%02d.%02d.%02d %02d:%02d:%02d"), tiime.mday, tiime.mon, tiime.year_s , tiime.hour, tiime.min, tiime.sec);
sprintf_P(sdate, PSTR("%02d%02d%02d"), tiime.mday, tiime.mon, tiime.year);
tft.setTextSize(1);
tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
tft.setCursor(211, 231);
tft.print(s);
lightTimeout ++;
if (lightTimeout >= 30) gpio_write_bit(GPIOA, 2, 0), lightTimeout = 30; //LED off
}
}
//======================================================================Vsyakaya hernya=====================================
byte TouchButton(int x, int y, int w, int h)
{
int X, Y;
if (tscr.read_XY(xy)) {
Y = map(xy[1], TS_MINY, TS_MAXY, 240, 0); //TS_MINY, TS_MAXY, 0, 240 //need to mirror?
X = map(xy[0], TS_MINX, TS_MAXX, 0, 320); //TS_MINX, TS_MAXX, 0, 320
if (calib) tft.drawPixel( X, Y, ILI9341_YELLOW); ////////////////////////////////////////////////////////////// for touching debug or calibrating
gpio_write_bit(GPIOA, 2, 1), lightTimeout = 0; //LED on
return (IsWithin(X, x, x + w) & IsWithin(Y, y, y + h));
}
}
//======================================================================Vsyakaya hernya=====================================
void MakeKB_Button(const char type[][13])
{
tft.setTextSize(2);
tft.setTextColor(ILI9341_WHITE, 0xf000);
for (int y = 0; y < 3; y++)
{
int ShiftRight = 15 * pgm_read_byte(&(type[y][0]));
for (int x = 3; x < 13; x++)
{
if (x >= pgm_read_byte(&(type[y][1]))) break;
drawButton(15 + (30 * (x - 3)) + ShiftRight, 100 + (30 * y), 20, 25); // this will draw the button on the screen by so many pixels
tft.setCursor(20 + (30 * (x - 3)) + ShiftRight, 105 + (30 * y));
tft.print(char(pgm_read_byte(&(type[y][x]))));
}
}
//ShiftKey
drawButton(15, 160, 35, 25);
tft.setCursor(27, 168);
tft.print('^');
//Special Characters
drawButton(15, 190, 35, 25);
tft.setCursor(21, 195);
tft.print(F("SY"));
//BackSpace
drawButton(270, 160, 35, 25);
tft.setCursor(276, 165);
tft.print(F("<-"));
//Return
drawButton(270, 190, 35, 25);
tft.setCursor(276, 195);
tft.setTextColor(ILI9341_BLACK, ILI9341_RED);
tft.print(F("Ok"));
tft.setTextColor(ILI9341_WHITE, ILI9341_RED);
//Spacebar
drawButton(60, 190, 200, 25);
tft.setCursor(105, 195);
tft.print(F("SPACE BAR"));
tft.fillRect(1, 86, 318, 12, 0x03EF); //text input field 0x3186
pechat();
}
//======================================================================Vsyakaya hernya=====================================
void drawButton(int x, int y, int w, int h)
{
tft.fillRoundRect(x - 3, y + 3, w, h, 3, 0x8888); //Button Shading
tft.fillRoundRect(x, y, w, h, 3, 0xffff); // outter button color
tft.fillRoundRect(x + 1, y + 1, w - 1 * 2, h - 1 * 2, 3, 0xf800); //inner button color
}
//======================================================================Vsyakaya hernya=====================================
void GetKeyPress(char * textBuffer) {
char key = 0;
static bool shift = false, special = false, back = false, lastSp = false, lastSh = false;
static char bufIndex = 0;
//ShiftKey
if (TouchButton(15, 160, 35, 25)) {
shift = !shift;
delay(100);
}
//Special Characters
if (TouchButton(15, 190, 35, 25)) {
special = !special;
delay(100);
}
if (special != lastSp || shift != lastSh) {
if (special) {
if (shift) {
tft.fillScreen(ILI9341_BLUE);
MakeKB_Button(Mobile_SymKeys);
}
else {
tft.fillScreen(ILI9341_BLUE);
MakeKB_Button(Mobile_NumKeys);
}
}
else {
tft.fillScreen(ILI9341_BLUE);
MakeKB_Button(Mobile_KB);
tft.setTextColor(0xffff, 0xf800);
}
if (special)
tft.setTextColor(ILI9341_MAGENTA, 0xf800);
else
tft.setTextColor(0xFFFF, 0xf800);
tft.setCursor(21, 195);
tft.print(F("SY"));
if (shift)
tft.setTextColor(ILI9341_MAGENTA, 0xf800);
else
tft.setTextColor(0xffff, 0xf800);
tft.setCursor(27, 168);
tft.print('^');
lastSp = special;
lastSh = shift;
}
for (int y = 0; y < 3; y++) {
int ShiftRight;
if (special) {
if (shift)
ShiftRight = 15 * pgm_read_byte(&(Mobile_SymKeys[y][0]));
else
ShiftRight = 15 * pgm_read_byte(&(Mobile_NumKeys[y][0]));
}
else
ShiftRight = 15 * pgm_read_byte(&(Mobile_KB[y][0]));
for (int x = 3; x < 13; x++)
{
if (x >= (special ? (shift ? pgm_read_byte(&(Mobile_SymKeys[y][1])) : pgm_read_byte(&(Mobile_NumKeys[y][1]))) : pgm_read_byte(&(Mobile_KB[y][1])) )) break;
if (TouchButton(15 + (30 * (x - 3)) + ShiftRight, 100 + (30 * y), 20, 25)) // this will draw the button on the screen by so many pixels
{
if (bufIndex < (textLimit - 1))
{
delay(100);
if (special)
{
if (shift)
textBuffer[bufIndex] = pgm_read_byte(&(Mobile_SymKeys[y][x]));
else
textBuffer[bufIndex] = pgm_read_byte(&(Mobile_NumKeys[y][x]));
}
else
textBuffer[bufIndex] = (pgm_read_byte(&(Mobile_KB[y][x])) + (shift ? 0 : ('a' - 'A')));
bufIndex++;
}
break;
}
}
}
//Spacebar
if (TouchButton(60, 190, 200, 25)) {
textBuffer[bufIndex++] = ' ';
delay(100);
}
//BackSpace
if (TouchButton(270, 160, 35, 25)) {
if ((bufIndex) > 0)
bufIndex--;
textBuffer[bufIndex] = 0;
tft.fillRect(1, 86, 318, 12, 0x03EF); //text input field 0x3186
delay(100);
tft.setTextSize(2); //def
}
//------ENTER------
if (TouchButton(270, 190, 35, 25)) {
if (bufIndex > 0) { //est' tam che vashe?
if (strcmp(textBuffer, "calibON") == 0) calib = true, command = true;
if (strcmp(textBuffer, "calibOFF") == 0) calib = false, command = true;
if (!command) {
// Serial.print(s);
// Serial.print(" Tx: ");
// Serial.println(textBuffer); //or // Serial.println(MyBuffer); // <---- tut main sending!
myFile.print(s);
myFile.print(" Tx: ");
myFile.println(textBuffer);
myFile.flush();
LoRa.beginPacket(); /////////////////// UNCOMENT FOR REAL SENDING!!!//////////////////////
LoRa.print(textBuffer);
LoRa.endPacket();
liniya = String(textBuffer);
liniya = 'T' + liniya;
moveUP();
}
command = false;
delay(50);
while (bufIndex > 0)
{
bufIndex--;
textBuffer[bufIndex] = 0;
}
tft.fillRect(1, 86, 318, 12, 0x03EF); //text input field 0x3186
tft.setTextSize(2);
}
}
tft.setTextSize(1); //pishem che natikali na klave
tft.fillRect(1, 86, 318, 12, 0x03EF); //text input field 0x3186
tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
tft.setCursor(4, 88);
tft.print(textBuffer);
tft.setTextSize(2);
}
//======================================================================Vsyakaya hernya=====================================
void moveUP() {
memcpy(lines0, lines1, sizeof lines1); //Ugly code goes from here and on
memcpy(lines1, lines2, sizeof lines2);
memcpy(lines2, lines3, sizeof lines3);
memcpy(lines3, lines4, sizeof lines4);
memcpy(lines4, lines5, sizeof lines5);
memcpy(lines5, lines6, sizeof lines6);
memcpy(lines6, lines7, sizeof lines7);
memcpy(lines7, lines8, sizeof lines8);
memcpy(lines8, lines9, sizeof lines9);
liniya.toCharArray(lines9, liniya.length() + 1); //OK dlya 1D bez [x][x]
pechat();
}
void pechat() {
tft.fillRect(0, 0, 320, 81, ILI9341_BLUE);////////// still have a lot of memory :)))
tft.setTextSize(1);
tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
if ((lines0[0]) == 'T') tft.setTextColor(ILI9341_YELLOW, ILI9341_BLACK);
if ((lines0[0]) == 'R') tft.setTextColor(ILI9341_CYAN, ILI9341_BLACK);
tft.setCursor(-5, 1);
tft.print(lines0);
if ((lines1[0]) == 'T') tft.setTextColor(ILI9341_YELLOW, ILI9341_BLACK);
if ((lines2[0]) == 'R') tft.setTextColor(ILI9341_CYAN, ILI9341_BLACK);
tft.setCursor(-5, 9);
tft.print(lines1);
if ((lines2[0]) == 'T') tft.setTextColor(ILI9341_YELLOW, ILI9341_BLACK);
if ((lines2[0]) == 'R') tft.setTextColor(ILI9341_CYAN, ILI9341_BLACK);
tft.setCursor(-5, 17);
tft.print(lines2);
if ((lines3[0]) == 'T') tft.setTextColor(ILI9341_YELLOW, ILI9341_BLACK);
if ((lines3[0]) == 'R') tft.setTextColor(ILI9341_CYAN, ILI9341_BLACK);
tft.setCursor(-5, 25);
tft.print(lines3);
if ((lines4[0]) == 'T') tft.setTextColor(ILI9341_YELLOW, ILI9341_BLACK);
if ((lines4[0]) == 'R') tft.setTextColor(ILI9341_CYAN, ILI9341_BLACK);
tft.setCursor(-5, 33);
tft.print(lines4);
if ((lines5[0]) == 'T') tft.setTextColor(ILI9341_YELLOW, ILI9341_BLACK);
if ((lines5[0]) == 'R') tft.setTextColor(ILI9341_CYAN, ILI9341_BLACK);
tft.setCursor(-5, 41);
tft.print(lines5);
if ((lines6[0]) == 'T') tft.setTextColor(ILI9341_YELLOW, ILI9341_BLACK);
if ((lines6[0]) == 'R') tft.setTextColor(ILI9341_CYAN, ILI9341_BLACK);
tft.setCursor(-5, 49);
tft.print(lines6);
if ((lines7[0]) == 'T') tft.setTextColor(ILI9341_YELLOW, ILI9341_BLACK);
if ((lines7[0]) == 'R') tft.setTextColor(ILI9341_CYAN, ILI9341_BLACK);
tft.setCursor(-5, 57);
tft.print(lines7);
if ((lines8[0]) == 'T') tft.setTextColor(ILI9341_YELLOW, ILI9341_BLACK);
if ((lines8[0]) == 'R') tft.setTextColor(ILI9341_CYAN, ILI9341_BLACK);
tft.setCursor(-5, 65);
tft.print(lines8);
if ((lines9[0]) == 'T') tft.setTextColor(ILI9341_YELLOW, ILI9341_BLACK);
if ((lines9[0]) == 'R') tft.setTextColor(ILI9341_CYAN, ILI9341_BLACK);
tft.setCursor(-5, 73);
tft.print(lines9);
tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
tft.setCursor(1, 231);
tft.print("Using logfile: ");
tft.print(sdate);
tft.setTextSize(2);
}