Add numbers to LCD

[cboswel]

Complete the binary values in the char_to_digit functions so the correct numbers and characters appear in the test in the LCD branch

[awillia123]

include "stopwatch.h"

void LCD_init() { /**

• Setup code to initialise the LCD. Runs once. */

  LCDPCTL0 = 0b1111111111111111; // LCDPCTL1 = 0b0000011111111111; // Pins L27 - L35 not required, and L30 in fact needs LCDPCTL2 = 0b1111111111110000; // to be deactivated to free up the switch on P2.6

  LCDCSSEL0 = 0b1111; // 0 - 3 are COM

  LCDCTL0 |= (1 << 2); // LCDSON - turn segments on LCDCTL0 |= (0b011 << 3); // LCDMXx - Set 4 mux mode as per datasheet

  //Also of interest: LCDDIVx and LCDSSEL for clocked blinking

  // LCD Operation - Mode 3, internal 3.02v, charge pump 256Hz LCDVCTL |= (0b11110111101 << 5); // 3.02 V, 256 Hz, Charge Pump on, Internal Ref on R13 Enabled, R33 internally connected

  // Clear LCD memory LCDMEMCTL |= (1 << 1); // LCDCLRM - clear LCD memory buffer LCDCTL0 |= 1; // LCDON - turn on the power!

  // set Comm pins as per page 13 https://www.ti.com/lit/ug/slau595b/slau595b.pdf?ts=1709648945332&ref_url=https%253A%252F%252Fwww.ecosia.org%252F LCDM0 = 0b00100001; LCDM1 = 0b10000100; }

void char_to_digit(char character, char shape[2]) {

if (character == '9' || character == '\9') {  // For convenience: int 9 == char '\9' so we can send ints as input
    shape[0] = 0b11110111;
    shape[1] = 0b00000000;
}
else if (character == '8' || character == '\8') {
    shape[0] = 0b11111111;
    shape[1] = 0b00000000;
}
else if (character == '7' || character == '\7') {
    shape[0] = 0b11100000;
    shape[1] = 0b00000000;
}
else if (character == '6' || character == '\6') {
    shape[0] = 0b10111111;
    shape[1] = 0b00000000;
}
else if (character == '5' || character == '\5') {
    shape[0] = 0b10110111;
    shape[1] = 0b00000000;
}
else if (character == '4' || character == '\4') {
    shape[0] = 0b01100111;
    shape[1] = 0b00000000;
}
else if (character == '3' || character == '\3') {
    shape[0] = 0b11110011;
    shape[1] = 0b00000000;
}
else if (character == '2' || character == '\2') {
    shape[0] = 0b11011011;
    shape[1] = 0b00000000;
}
else if (character == '1' || character == '\1') {
    shape[0] = 0b01100000;
    shape[1] = 0b00100000;
}
else if (character == '0' || character == '\0') {
    shape[0] = 0b11111100;
    shape[1] = 0b00101000;
}
// and letters for days of week
else if (character == 'M') {
    shape[0] = 0b01101100;
    shape[1] = 0b10100000;
}
else if (character == 'T') {
    shape[0] = 0b10000000;
    shape[1] = 0b01010000;
}
else if (character == 'W') {
    shape[0] = 0b01101100;
    shape[1] = 0b00001010;
}
else if (character == 'F') {
    shape[0] = 0b10001111;
    shape[1] = 0b00000000;
}
else if (character == 'S') {
    shape[0] = 0b10110111;
    shape[1] = 0b00000000;
}
else if (character == 'o') {
    shape[0] = 0b00111011;
    shape[1] = 0b00000000;
}
else if (character == 'u') {
    shape[0] = 0b00111000;
    shape[1] = 0b00000000;
}
else if (character == 'e') {
    shape[0] = 0b10011111;
    shape[1] = 0b00000000;
}
else if (character == 'h') {
    shape[0] = 0b00101111;
    shape[1] = 0b00000000;
}
else if (character == 'r') {
    shape[0] = 0b00001010;
    shape[1] = 0b00000000;
}
else if (character == 'a') {
    shape[0] = 0b00011010;
    shape[1] = 0b00010000;
}

}

void colons(char shape[2], int pos) { if (pos == 1) { if (STATE != MONTH) { shape[1] |= 0b00000100; // add a colon } else { shape[1] |= 0b00000001; // add a decimal point } } if (pos == 3) { if (STATE == MONTH) { shape[1] |= 0b00000001; // add a decimal point } else if (STATE == CHRONO || STATE == LAP) { shape[1] |= 0b00000100; // add a colon } } }

void set_digit(char shape[2], int pos) { if (pos == 0) { LCDM4 = shape[0]; LCDM5 = shape[1]; } else if (pos == 1) { LCDM6 = shape[0]; LCDM7 = shape[1]; } else if (pos == 2) { LCDM8 = shape[0]; LCDM9 = shape[1]; } else if (pos == 3) { LCDM10 = shape[0]; LCDM11 = shape[1]; } else if (pos == 4) { LCDM2 = shape[0]; LCDM3 = shape[1]; } else if (pos == 5) { LCDM18 = shape[0]; LCDM19 = shape[1]; } }

void show_digit(char character, int pos) { /**

• Function to display a given character in the LCD screen.
• Input arguments: The character to display and a position

• indicating on which of the 6 14-seg displays to show it. **/

  char shape[2] = {0, 0}; char_to_digit(character, shape); colons(shape, pos); set_digit(shape, pos); }

[awillia123]

LCDfuncts.c updated with correct LCD encoding