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/* Copyright 2017 Jack Humbert
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "process_terminal.h"
#include <string.h>
#include "version.h"
#include <stdio.h>
#include <math.h>
bool terminal_enabled = false;
char buffer[80] = "";
char newline[2] = "\n";
char arguments[6][20];
__attribute__ ((weak))
const char terminal_prompt[8] = "> ";
#ifdef AUDIO_ENABLE
#ifndef TERMINAL_SONG
#define TERMINAL_SONG SONG(TERMINAL_SOUND)
#endif
float terminal_song[][2] = TERMINAL_SONG;
#define TERMINAL_BELL() PLAY_SONG(terminal_song)
#else
#define TERMINAL_BELL()
#endif
__attribute__ ((weak))
const char keycode_to_ascii_lut[58] = {
0, 0, 0, 0,
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
'1', '2', '3', '4', '5', '6', '7', '8', '9', '0', 0, 0, 0, '\t',
' ', '-', '=', '[', ']', '\\', 0, ';', '\'', '`', ',', '.', '/'
};
__attribute__ ((weak))
const char shifted_keycode_to_ascii_lut[58] = {
0, 0, 0, 0,
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
'!', '@', '#', '$', '%', '^', '&', '*', '(', ')', 0, 0, 0, '\t',
' ', '_', '+', '{', '}', '|', 0, ':', '\'', '~', '<', '>', '?'
};
struct stringcase {
char* string;
void (*func)(void);
} typedef stringcase;
void enable_terminal(void) {
terminal_enabled = true;
strcpy(buffer, "");
for (int i = 0; i < 6; i++)
strcpy(arguments[i], "");
// select all text to start over
// SEND_STRING(SS_LCTRL("a"));
send_string(terminal_prompt);
}
void disable_terminal(void) {
terminal_enabled = false;
}
void terminal_about(void) {
SEND_STRING("QMK Firmware\n");
SEND_STRING(" v");
SEND_STRING(QMK_VERSION);
SEND_STRING("\n"SS_TAP(X_HOME)" Built: ");
SEND_STRING(QMK_BUILDDATE);
send_string(newline);
#ifdef TERMINAL_HELP
if (strlen(arguments[1]) != 0) {
SEND_STRING("You entered: ");
send_string(arguments[1]);
send_string(newline);
}
#endif
}
void terminal_help(void);
extern const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
void terminal_keycode(void) {
if (strlen(arguments[1]) != 0 && strlen(arguments[2]) != 0 && strlen(arguments[3]) != 0) {
char keycode_dec[5];
char keycode_hex[5];
uint16_t layer = strtol(arguments[1], (char **)NULL, 10);
uint16_t row = strtol(arguments[2], (char **)NULL, 10);
uint16_t col = strtol(arguments[3], (char **)NULL, 10);
uint16_t keycode = pgm_read_word(&keymaps[layer][row][col]);
itoa(keycode, keycode_dec, 10);
itoa(keycode, keycode_hex, 16);
SEND_STRING("0x");
send_string(keycode_hex);
SEND_STRING(" (");
send_string(keycode_dec);
SEND_STRING(")\n");
} else {
#ifdef TERMINAL_HELP
SEND_STRING("usage: keycode <layer> <row> <col>\n");
#endif
}
}
void terminal_keymap(void) {
if (strlen(arguments[1]) != 0) {
uint16_t layer = strtol(arguments[1], (char **)NULL, 10);
for (int r = 0; r < MATRIX_ROWS; r++) {
for (int c = 0; c < MATRIX_COLS; c++) {
uint16_t keycode = pgm_read_word(&keymaps[layer][r][c]);
char keycode_s[8];
sprintf(keycode_s, "0x%04x, ", keycode);
send_string(keycode_s);
}
send_string(newline);
}
} else {
#ifdef TERMINAL_HELP
SEND_STRING("usage: keymap <layer>\n");
#endif
}
}
stringcase terminal_cases[] = {
{ "about", terminal_about },
{ "help", terminal_help },
{ "keycode", terminal_keycode },
{ "keymap", terminal_keymap },
{ "exit", disable_terminal }
};
void terminal_help(void) {
SEND_STRING("commands available:\n ");
for( stringcase* case_p = terminal_cases; case_p != terminal_cases + sizeof( terminal_cases ) / sizeof( terminal_cases[0] ); case_p++ ) {
send_string(case_p->string);
SEND_STRING(" ");
}
send_string(newline);
}
void command_not_found(void) {
SEND_STRING("command \"");
send_string(buffer);
SEND_STRING("\" not found\n");
}
void process_terminal_command(void) {
// we capture return bc of the order of events, so we need to manually send a newline
send_string(newline);
char * pch;
uint8_t i = 0;
pch = strtok(buffer, " ");
while (pch != NULL) {
strcpy(arguments[i], pch);
pch = strtok(NULL, " ");
i++;
}
bool command_found = false;
for( stringcase* case_p = terminal_cases; case_p != terminal_cases + sizeof( terminal_cases ) / sizeof( terminal_cases[0] ); case_p++ ) {
if( 0 == strcmp( case_p->string, buffer ) ) {
command_found = true;
(*case_p->func)();
break;
}
}
if (!command_found)
command_not_found();
if (terminal_enabled) {
strcpy(buffer, "");
for (int i = 0; i < 6; i++)
strcpy(arguments[i], "");
SEND_STRING(SS_TAP(X_HOME));
send_string(terminal_prompt);
}
}
bool process_terminal(uint16_t keycode, keyrecord_t *record) {
if (keycode == TERM_ON && record->event.pressed) {
enable_terminal();
return false;
}
if (terminal_enabled && record->event.pressed) {
if (keycode == TERM_OFF && record->event.pressed) {
disable_terminal();
return false;
}
if (keycode < 256) {
uint8_t str_len;
char char_to_add;
switch (keycode) {
case KC_ENTER:
process_terminal_command();
return false; break;
case KC_ESC:
SEND_STRING("\n");
enable_terminal();
return false; break;
case KC_BSPC:
str_len = strlen(buffer);
if (str_len > 0) {
buffer[str_len-1] = 0;
return true;
} else {
TERMINAL_BELL();
return false;
} break;
case KC_LEFT:
case KC_RIGHT:
case KC_UP:
case KC_DOWN:
return false; break;
default:
if (keycode <= 58) {
char_to_add = 0;
if (get_mods() & (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT))) {
char_to_add = shifted_keycode_to_ascii_lut[keycode];
} else if (get_mods() == 0) {
char_to_add = keycode_to_ascii_lut[keycode];
}
if (char_to_add != 0) {
strncat(buffer, &char_to_add, 1);
}
} break;
}
}
}
return true;
}
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