260 lines
7.7 KiB
C
260 lines
7.7 KiB
C
/* Copyright 2016 Jack Humbert
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "process_printer.h"
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#include "action_util.h"
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bool printing_enabled = false;
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uint8_t character_shift = 0;
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#define SERIAL_PIN_DDR DDRD
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#define SERIAL_PIN_PORT PORTD
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#define SERIAL_PIN_MASK _BV(PD3)
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#define SERIAL_DELAY 52
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inline static void serial_delay(void) { _delay_us(SERIAL_DELAY); }
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inline static void serial_high(void) { SERIAL_PIN_PORT |= SERIAL_PIN_MASK; }
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inline static void serial_low(void) { SERIAL_PIN_PORT &= ~SERIAL_PIN_MASK; }
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inline static void serial_output(void) { SERIAL_PIN_DDR |= SERIAL_PIN_MASK; }
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void enable_printing() {
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printing_enabled = true;
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serial_output();
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serial_high();
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}
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void disable_printing() { printing_enabled = false; }
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uint8_t shifted_numbers[10] = {0x21, 0x40, 0x23, 0x24, 0x25, 0x5E, 0x26, 0x2A, 0x28, 0x29};
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// uint8_t keycode_to_ascii[0xFF][2];
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// keycode_to_ascii[KC_MINUS] = {0x2D, 0x5F};
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void print_char(char c) {
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uint8_t b = 8;
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serial_output();
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while (b--) {
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if (c & (1 << b)) {
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serial_high();
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} else {
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serial_low();
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}
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serial_delay();
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}
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}
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void print_string(char c[]) {
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for (uint8_t i = 0; i < strlen(c); i++) print_char(c[i]);
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}
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bool process_printer(uint16_t keycode, keyrecord_t *record) {
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if (keycode == PRINT_ON) {
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enable_printing();
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return false;
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}
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if (keycode == PRINT_OFF) {
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disable_printing();
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return false;
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}
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if (printing_enabled) {
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switch (keycode) {
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case KC_EXLM ... KC_RPRN:
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case KC_UNDS:
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case KC_PLUS:
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case KC_LCBR:
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case KC_RCBR:
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case KC_PIPE:
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case KC_TILD:
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keycode &= 0xFF;
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case KC_LEFT_SHIFT:
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case KC_RIGHT_SHIFT:
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if (record->event.pressed) {
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character_shift++;
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} else {
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character_shift--;
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}
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return false;
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break;
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}
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switch (keycode) {
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case KC_F1:
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if (record->event.pressed) {
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print_string("This is a line of text!\n\n\n");
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}
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return false;
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case KC_ESCAPE:
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if (record->event.pressed) {
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print_char(0x1B);
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}
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return false;
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break;
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case KC_SPACE:
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if (record->event.pressed) {
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print_char(0x20);
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}
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return false;
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break;
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case KC_A ... KC_Z:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(0x41 + (keycode - KC_A));
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} else {
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print_char(0x61 + (keycode - KC_A));
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}
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}
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return false;
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break;
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case KC_1 ... KC_0:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(shifted_numbers[keycode - KC_1]);
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} else {
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print_char(0x30 + ((keycode - KC_1 + 1) % 10));
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}
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}
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return false;
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break;
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case KC_ENTER:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(0x0C);
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} else {
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print_char(0x0A);
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}
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}
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return false;
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break;
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case KC_BACKSPACE:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(0x18);
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} else {
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print_char(0x1A);
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}
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}
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return false;
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break;
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case KC_DOT:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(0x3E);
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} else {
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print_char(0x2E);
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}
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}
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return false;
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break;
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case KC_COMMA:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(0x3C);
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} else {
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print_char(0x2C);
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}
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}
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return false;
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break;
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case KC_SLASH:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(0x3F);
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} else {
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print_char(0x2F);
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}
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}
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return false;
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break;
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case KC_QUOTE:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(0x22);
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} else {
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print_char(0x27);
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}
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}
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return false;
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break;
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case KC_GRAVE:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(0x7E);
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} else {
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print_char(0x60);
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}
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}
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return false;
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break;
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case KC_MINUS:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(0x5F);
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} else {
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print_char(0x2D);
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}
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}
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return false;
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break;
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case KC_EQUAL:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(0x2B);
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} else {
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print_char(0x3D);
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}
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}
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return false;
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break;
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case KC_LEFT_BRACKET:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(0x7B);
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} else {
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print_char(0x5B);
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}
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}
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return false;
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break;
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case KC_RIGHT_BRACKET:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(0x7D);
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} else {
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print_char(0x5D);
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}
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}
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return false;
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break;
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case KC_BACKSLASH:
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if (record->event.pressed) {
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if (character_shift) {
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print_char(0x7C);
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} else {
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print_char(0x5C);
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}
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}
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return false;
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break;
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}
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}
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return true;
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}
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