ubitx-v5d/ubitx_20/ubitx_ui.ino

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/**
* The user interface of the ubitx consists of the encoder, the push-button on top of it
* and the 16x2 LCD display.
* The upper line of the display is constantly used to display frequency and status
* of the radio. Occasionally, it is used to provide a two-line information that is
* quickly cleared up.
*/
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//#define printLineF1(x) (printLineF(1, x))
//#define printLineF2(x) (printLineF(0, x))
//returns true if the button is pressed
int btnDown(){
if (digitalRead(FBUTTON) == HIGH)
return 0;
else
return 1;
}
/**
* Meter (not used in this build for anything)
* the meter is drawn using special characters. Each character is composed of 5 x 8 matrix.
* The s_meter array holds the definition of the these characters.
* each line of the array is is one character such that 5 bits of every byte
* makes up one line of pixels of the that character (only 5 bits are used)
* The current reading of the meter is assembled in the string called meter
*/
/*
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const PROGMEM uint8_t s_meter_bitmap[] = {
B00000,B00000,B00000,B00000,B00000,B00100,B00100,B11011,
B10000,B10000,B10000,B10000,B10100,B10100,B10100,B11011,
B01000,B01000,B01000,B01000,B01100,B01100,B01100,B11011,
B00100,B00100,B00100,B00100,B00100,B00100,B00100,B11011,
B00010,B00010,B00010,B00010,B00110,B00110,B00110,B11011,
B00001,B00001,B00001,B00001,B00101,B00101,B00101,B11011
};
*/
const PROGMEM uint8_t meters_bitmap[] = {
B10000, B10000, B10000, B10000, B10000, B10000, B10000, B10000 , //custom 1
B11000, B11000, B11000, B11000, B11000, B11000, B11000, B11000 , //custom 2
B11100, B11100, B11100, B11100, B11100, B11100, B11100, B11100 , //custom 3
B11110, B11110, B11110, B11110, B11110, B11110, B11110, B11110 , //custom 4
B11111, B11111, B11111, B11111, B11111, B11111, B11111, B11111 , //custom 5
B01000, B11100, B01000, B00000, B10111, B10101, B10101, B10111 //custom 6
};
PGM_P p_metes_bitmap = reinterpret_cast<PGM_P>(meters_bitmap);
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const PROGMEM uint8_t lock_bitmap[8] = {
0b01110,
0b10001,
0b10001,
0b11111,
0b11011,
0b11011,
0b11111,
0b00000};
PGM_P plock_bitmap = reinterpret_cast<PGM_P>(lock_bitmap);
// initializes the custom characters
// we start from char 1 as char 0 terminates the string!
void initMeter(){
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uint8_t tmpbytes[8];
byte i;
for (i = 0; i < 8; i++)
tmpbytes[i] = pgm_read_byte(plock_bitmap + i);
lcd.createChar(0, tmpbytes);
for (i = 0; i < 8; i++)
tmpbytes[i] = pgm_read_byte(p_metes_bitmap + i);
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lcd.createChar(1, tmpbytes);
for (i = 0; i < 8; i++)
tmpbytes[i] = pgm_read_byte(p_metes_bitmap + i + 8);
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lcd.createChar(2, tmpbytes);
for (i = 0; i < 8; i++)
tmpbytes[i] = pgm_read_byte(p_metes_bitmap + i + 16);
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lcd.createChar(3, tmpbytes);
for (i = 0; i < 8; i++)
tmpbytes[i] = pgm_read_byte(p_metes_bitmap + i + 24);
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lcd.createChar(4, tmpbytes);
for (i = 0; i < 8; i++)
tmpbytes[i] = pgm_read_byte(p_metes_bitmap + i + 32);
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lcd.createChar(5, tmpbytes);
for (i = 0; i < 8; i++)
tmpbytes[i] = pgm_read_byte(p_metes_bitmap + i + 40);
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lcd.createChar(6, tmpbytes);
}
//by KD8CEC
//0 ~ 25 : 30 over : + 10
void drawMeter(int needle) {
//5Char + O over
int i;
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for (i = 0; i < 5; i++) {
if (needle >= 5)
lcdMeter[i] = 5; //full
else if (needle > 0)
lcdMeter[i] = needle; //full
else //0
lcdMeter[i] = 0x20;
needle -= 5;
}
if (needle > 0)
lcdMeter[5] = 6;
else
lcdMeter[5] = 0x20;
}
/*
void drawMeter(int8_t needle){
int16_t best, i, s;
if (needle < 0)
return;
s = (needle * 4)/10;
for (i = 0; i < 8; i++){
if (s >= 5)
lcdMeter[i] = 1;
else if (s >= 0)
lcdMeter[i] = 2 + s;
else
lcdMeter[i] = 1;
s = s - 5;
}
if (needle >= 40)
lcdMeter[i-1] = 6;
lcdMeter[i] = 0;
}
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*/
// The generic routine to display one line on the LCD
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void printLine(unsigned char linenmbr, const char *c) {
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if ((displayOption1 & 0x01) == 0x01)
linenmbr = (linenmbr == 0 ? 1 : 0); //Line Toggle
if (strcmp(c, printBuff[linenmbr])) { // only refresh the display when there was a change
lcd.setCursor(0, linenmbr); // place the cursor at the beginning of the selected line
lcd.print(c);
strcpy(printBuff[linenmbr], c);
for (byte i = strlen(c); i < 16; i++) { // add white spaces until the end of the 16 characters line is reached
lcd.print(' ');
}
}
}
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void printLineF(char linenmbr, const __FlashStringHelper *c)
{
int i;
char tmpBuff[17];
PGM_P p = reinterpret_cast<PGM_P>(c);
for (i = 0; i < 17; i++){
unsigned char fChar = pgm_read_byte(p++);
tmpBuff[i] = fChar;
if (fChar == 0)
break;
}
printLine(linenmbr, tmpBuff);
}
#define LCD_MAX_COLUMN 16
void printLineFromEEPRom(char linenmbr, char lcdColumn, byte eepromStartIndex, byte eepromEndIndex) {
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if ((displayOption1 & 0x01) == 0x01)
linenmbr = (linenmbr == 0 ? 1 : 0); //Line Toggle
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lcd.setCursor(lcdColumn, linenmbr);
for (byte i = eepromStartIndex; i <= eepromEndIndex; i++)
{
if (++lcdColumn <= LCD_MAX_COLUMN)
lcd.write(EEPROM.read(USER_CALLSIGN_DAT + i));
else
break;
}
for (byte i = lcdColumn; i < 16; i++) //Right Padding by Space
lcd.write(' ');
}
// short cut to print to the first line
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void printLine1(const char *c){
printLine(1,c);
}
// short cut to print to the first line
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void printLine2(const char *c){
printLine(0,c);
}
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void clearLine2()
{
printLine2("");
line2DisplayStatus = 0;
}
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// short cut to print to the first line
void printLine1Clear(){
printLine(1,"");
}
// short cut to print to the first line
void printLine2Clear(){
printLine(0, "");
}
void printLine2ClearAndUpdate(){
printLine(0, "");
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line2DisplayStatus = 0;
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updateDisplay();
}
//012...89ABC...Z
char byteToChar(byte srcByte){
if (srcByte < 10)
return 0x30 + srcByte;
else
return 'A' + srcByte - 10;
}
// this builds up the top line of the display with frequency and mode
void updateDisplay() {
// tks Jack Purdum W8TEE
// replaced fsprint commmands by str commands for code size reduction
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// replace code for Frequency numbering error (alignment, point...) by KD8CEC
int i;
unsigned long tmpFreq = frequency; //
memset(c, 0, sizeof(c));
if (inTx){
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if (isCWAutoMode == 2) {
for (i = 0; i < 4; i++)
c[3-i] = (i < autoCWSendReservCount ? byteToChar(autoCWSendReserv[i]) : ' ');
//display Sending Index
c[4] = byteToChar(sendingCWTextIndex);
c[5] = '=';
}
else {
if (cwTimeout > 0)
strcpy(c, " CW:");
else
strcpy(c, " TX:");
}
}
else {
if (ritOn)
strcpy(c, "RIT ");
else {
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if (cwMode == 0)
{
if (isUSB)
strcpy(c, "USB ");
else
strcpy(c, "LSB ");
}
else if (cwMode == 1)
{
strcpy(c, "CWL ");
}
else
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{
strcpy(c, "CWU ");
}
}
if (vfoActive == VFO_A) // VFO A is active
strcat(c, "A:");
else
strcat(c, "B:");
}
//Fixed by Mitani Massaru (JE4SMQ)
if (isShiftDisplayCWFreq == 1)
{
if (cwMode == 1) //CWL
tmpFreq = tmpFreq - sideTone + shiftDisplayAdjustVal;
else if (cwMode == 2) //CWU
tmpFreq = tmpFreq + sideTone + shiftDisplayAdjustVal;
}
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//display frequency
for (int i = 15; i >= 6; i--) {
if (tmpFreq > 0) {
if (i == 12 || i == 8) c[i] = '.';
else {
c[i] = tmpFreq % 10 + 0x30;
tmpFreq /= 10;
}
}
else
c[i] = ' ';
}
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//remarked by KD8CEC
//already RX/TX status display, and over index (16 x 2 LCD)
//if (inTx)
// strcat(c, " TX");
printLine(1, c);
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byte diplayVFOLine = 1;
if ((displayOption1 & 0x01) == 0x01)
diplayVFOLine = 0;
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if ((vfoActive == VFO_A && ((isDialLock & 0x01) == 0x01)) ||
(vfoActive == VFO_B && ((isDialLock & 0x02) == 0x02))) {
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lcd.setCursor(5,diplayVFOLine);
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lcd.write((uint8_t)0);
}
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else if (isCWAutoMode == 2){
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lcd.setCursor(5,diplayVFOLine);
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lcd.write(0x7E);
}
else
{
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lcd.setCursor(5,diplayVFOLine);
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lcd.write(":");
}
}
int enc_prev_state = 3;
/**
* The A7 And A6 are purely analog lines on the Arduino Nano
* These need to be pulled up externally using two 10 K resistors
*
* There are excellent pages on the Internet about how these encoders work
* and how they should be used. We have elected to use the simplest way
* to use these encoders without the complexity of interrupts etc to
* keep it understandable.
*
* The enc_state returns a two-bit number such that each bit reflects the current
* value of each of the two phases of the encoder
*
* The enc_read returns the number of net pulses counted over 50 msecs.
* If the puluses are -ve, they were anti-clockwise, if they are +ve, the
* were in the clockwise directions. Higher the pulses, greater the speed
* at which the enccoder was spun
*/
byte enc_state (void) {
return (analogRead(ENC_A) > 500 ? 1 : 0) + (analogRead(ENC_B) > 500 ? 2: 0);
}
int enc_read(void) {
int result = 0;
byte newState;
int enc_speed = 0;
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unsigned long start_at = millis();
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while (millis() - start_at < 50) { // check if the previous state was stable
newState = enc_state(); // Get current state
if (newState != enc_prev_state)
delay (1);
if (enc_state() != newState || newState == enc_prev_state)
continue;
//these transitions point to the encoder being rotated anti-clockwise
if ((enc_prev_state == 0 && newState == 2) ||
(enc_prev_state == 2 && newState == 3) ||
(enc_prev_state == 3 && newState == 1) ||
(enc_prev_state == 1 && newState == 0)){
result--;
}
//these transitions point o the enccoder being rotated clockwise
if ((enc_prev_state == 0 && newState == 1) ||
(enc_prev_state == 1 && newState == 3) ||
(enc_prev_state == 3 && newState == 2) ||
(enc_prev_state == 2 && newState == 0)){
result++;
}
enc_prev_state = newState; // Record state for next pulse interpretation
enc_speed++;
delay(1);
}
return(result);
}