329 lines
12 KiB
C
329 lines
12 KiB
C
/* Copyright 2017 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_terminal.h"
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#include <string.h>
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#include "version.h"
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#include <stdio.h>
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#include <math.h>
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#ifndef CMD_BUFF_SIZE
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# define CMD_BUFF_SIZE 5
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#endif
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bool terminal_enabled = false;
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char buffer[80] = "";
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char cmd_buffer[CMD_BUFF_SIZE][80];
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bool cmd_buffer_enabled = true; // replace with ifdef?
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char newline[2] = "\n";
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char arguments[6][20];
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bool firstTime = true;
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short int current_cmd_buffer_pos = 0; // used for up/down arrows - keeps track of where you are in the command buffer
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__attribute__((weak)) const char terminal_prompt[8] = "> ";
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#ifdef AUDIO_ENABLE
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# ifndef TERMINAL_SONG
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# define TERMINAL_SONG SONG(TERMINAL_SOUND)
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# endif
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float terminal_song[][2] = TERMINAL_SONG;
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# define TERMINAL_BELL() PLAY_SONG(terminal_song)
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#else
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# define TERMINAL_BELL()
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#endif
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__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, ';', '\'', '`', ',', '.', '/'};
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__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, ':', '\'', '~', '<', '>', '?'};
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struct stringcase {
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char *string;
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void (*func)(void);
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} typedef stringcase;
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void enable_terminal(void) {
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terminal_enabled = true;
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strcpy(buffer, "");
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memset(cmd_buffer, 0, CMD_BUFF_SIZE * 80);
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for (int i = 0; i < 6; i++) strcpy(arguments[i], "");
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// select all text to start over
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// SEND_STRING(SS_LCTL("a"));
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send_string(terminal_prompt);
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}
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void disable_terminal(void) {
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terminal_enabled = false;
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SEND_STRING("\n");
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}
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void push_to_cmd_buffer(void) {
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if (cmd_buffer_enabled) {
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if (cmd_buffer == NULL) {
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return;
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} else {
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if (firstTime) {
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firstTime = false;
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strcpy(cmd_buffer[0], buffer);
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return;
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}
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for (int i = CMD_BUFF_SIZE - 1; i > 0; --i) {
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strncpy(cmd_buffer[i], cmd_buffer[i - 1], 80);
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}
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strcpy(cmd_buffer[0], buffer);
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return;
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}
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}
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}
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void terminal_about(void) {
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SEND_STRING("QMK Firmware\n");
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SEND_STRING(" v");
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SEND_STRING(QMK_VERSION);
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SEND_STRING("\n" SS_TAP(X_HOME) " Built: ");
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SEND_STRING(QMK_BUILDDATE);
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send_string(newline);
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#ifdef TERMINAL_HELP
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if (strlen(arguments[1]) != 0) {
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SEND_STRING("You entered: ");
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send_string(arguments[1]);
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send_string(newline);
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}
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#endif
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}
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void terminal_help(void);
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extern const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
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void terminal_keycode(void) {
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if (strlen(arguments[1]) != 0 && strlen(arguments[2]) != 0 && strlen(arguments[3]) != 0) {
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char keycode_dec[5];
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char keycode_hex[5];
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uint16_t layer = strtol(arguments[1], (char **)NULL, 10);
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uint16_t row = strtol(arguments[2], (char **)NULL, 10);
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uint16_t col = strtol(arguments[3], (char **)NULL, 10);
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uint16_t keycode = pgm_read_word(&keymaps[layer][row][col]);
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itoa(keycode, keycode_dec, 10);
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itoa(keycode, keycode_hex, 16);
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SEND_STRING("0x");
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send_string(keycode_hex);
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SEND_STRING(" (");
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send_string(keycode_dec);
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SEND_STRING(")\n");
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} else {
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#ifdef TERMINAL_HELP
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SEND_STRING("usage: keycode <layer> <row> <col>\n");
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#endif
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}
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}
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void terminal_keymap(void) {
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if (strlen(arguments[1]) != 0) {
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uint16_t layer = strtol(arguments[1], (char **)NULL, 10);
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for (int r = 0; r < MATRIX_ROWS; r++) {
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for (int c = 0; c < MATRIX_COLS; c++) {
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uint16_t keycode = pgm_read_word(&keymaps[layer][r][c]);
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char keycode_s[8];
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sprintf(keycode_s, "0x%04x,", keycode);
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send_string(keycode_s);
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}
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send_string(newline);
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}
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} else {
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#ifdef TERMINAL_HELP
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SEND_STRING("usage: keymap <layer>\n");
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#endif
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}
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}
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void print_cmd_buff(void) {
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/* without the below wait, a race condition can occur wherein the
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buffer can be printed before it has been fully moved */
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wait_ms(250);
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for (int i = 0; i < CMD_BUFF_SIZE; i++) {
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char tmpChar = ' ';
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itoa(i, &tmpChar, 10);
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const char *tmpCnstCharStr = &tmpChar; // because sned_string wont take a normal char *
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send_string(tmpCnstCharStr);
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SEND_STRING(". ");
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send_string(cmd_buffer[i]);
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SEND_STRING("\n");
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}
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}
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void flush_cmd_buffer(void) {
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memset(cmd_buffer, 0, CMD_BUFF_SIZE * 80);
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SEND_STRING("Buffer Cleared!\n");
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}
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stringcase terminal_cases[] = {{"about", terminal_about}, {"help", terminal_help}, {"keycode", terminal_keycode}, {"keymap", terminal_keymap}, {"flush-buffer", flush_cmd_buffer}, {"print-buffer", print_cmd_buff}, {"exit", disable_terminal}};
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void terminal_help(void) {
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SEND_STRING("commands available:\n ");
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for (stringcase *case_p = terminal_cases; case_p != terminal_cases + sizeof(terminal_cases) / sizeof(terminal_cases[0]); case_p++) {
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send_string(case_p->string);
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SEND_STRING(" ");
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}
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send_string(newline);
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}
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void command_not_found(void) {
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wait_ms(50); // sometimes buffer isnt grabbed quick enough
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SEND_STRING("command \"");
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send_string(buffer);
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SEND_STRING("\" not found\n");
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}
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void process_terminal_command(void) {
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// we capture return bc of the order of events, so we need to manually send a newline
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send_string(newline);
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char * pch;
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uint8_t i = 0;
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pch = strtok(buffer, " ");
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while (pch != NULL) {
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strcpy(arguments[i], pch);
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pch = strtok(NULL, " ");
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i++;
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}
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bool command_found = false;
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for (stringcase *case_p = terminal_cases; case_p != terminal_cases + sizeof(terminal_cases) / sizeof(terminal_cases[0]); case_p++) {
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if (0 == strcmp(case_p->string, buffer)) {
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command_found = true;
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(*case_p->func)();
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break;
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}
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}
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if (!command_found) command_not_found();
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if (terminal_enabled) {
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strcpy(buffer, "");
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for (int i = 0; i < 6; i++) strcpy(arguments[i], "");
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SEND_STRING(SS_TAP(X_HOME));
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send_string(terminal_prompt);
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}
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}
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void check_pos(void) {
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if (current_cmd_buffer_pos >= CMD_BUFF_SIZE) { // if over the top, move it back down to the top of the buffer so you can climb back down...
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current_cmd_buffer_pos = CMD_BUFF_SIZE - 1;
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} else if (current_cmd_buffer_pos < 0) { //...and if you fall under the bottom of the buffer, reset back to 0 so you can climb back up
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current_cmd_buffer_pos = 0;
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}
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}
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bool process_terminal(uint16_t keycode, keyrecord_t *record) {
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if (keycode == TERM_ON && record->event.pressed) {
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enable_terminal();
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return false;
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}
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if (terminal_enabled && record->event.pressed) {
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if (keycode == TERM_OFF && record->event.pressed) {
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disable_terminal();
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return false;
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}
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if ((keycode >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX) || (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX)) {
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keycode = keycode & 0xFF;
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}
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if (keycode < 256) {
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uint8_t str_len;
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char char_to_add;
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switch (keycode) {
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case KC_ENTER:
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case KC_KP_ENTER:
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push_to_cmd_buffer();
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current_cmd_buffer_pos = 0;
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process_terminal_command();
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return false;
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break;
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case KC_ESC:
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SEND_STRING("\n");
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enable_terminal();
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return false;
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break;
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case KC_BSPC:
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str_len = strlen(buffer);
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if (str_len > 0) {
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buffer[str_len - 1] = 0;
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return true;
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} else {
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TERMINAL_BELL();
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return false;
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}
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break;
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case KC_LEFT:
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return false;
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break;
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case KC_RIGHT:
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return false;
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break;
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case KC_UP: // 0 = recent
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check_pos(); // check our current buffer position is valid
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if (current_cmd_buffer_pos <= CMD_BUFF_SIZE - 1) { // once we get to the top, dont do anything
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str_len = strlen(buffer);
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for (int i = 0; i < str_len; ++i) {
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send_string(SS_TAP(X_BSPACE)); // clear w/e is on the line already
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// process_terminal(KC_BSPC,record);
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}
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strncpy(buffer, cmd_buffer[current_cmd_buffer_pos], 80);
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send_string(buffer);
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++current_cmd_buffer_pos; // get ready to access the above cmd if up/down is pressed again
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}
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return false;
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break;
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case KC_DOWN:
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check_pos();
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if (current_cmd_buffer_pos >= 0) { // once we get to the bottom, dont do anything
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str_len = strlen(buffer);
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for (int i = 0; i < str_len; ++i) {
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send_string(SS_TAP(X_BSPACE)); // clear w/e is on the line already
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// process_terminal(KC_BSPC,record);
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}
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strncpy(buffer, cmd_buffer[current_cmd_buffer_pos], 79);
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send_string(buffer);
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--current_cmd_buffer_pos; // get ready to access the above cmd if down/up is pressed again
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}
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return false;
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break;
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default:
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if (keycode <= 58) {
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char_to_add = 0;
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if (get_mods() & (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT))) {
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char_to_add = shifted_keycode_to_ascii_lut[keycode];
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} else if (get_mods() == 0) {
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char_to_add = keycode_to_ascii_lut[keycode];
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}
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if (char_to_add != 0) {
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strncat(buffer, &char_to_add, 1);
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}
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}
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break;
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}
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}
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}
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return true;
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}
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