027e3bb42e
* Added Morse code based RPN calculator * added manual and memory register * fixed morsecalc negative indicator, edited header comment * adjusted stack display controls * Fixed warnings. Added calculator token aliasing ability. Added binary shorthand for numeral entry. Extended morse code binary tree. * ui tweaks * Update movement_config.h * silence warning Co-authored-by: Christian Chapman <user@debian> Co-authored-by: joeycastillo <joeycastillo@utexas.edu>
52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
/*
|
|
* MIT License
|
|
*
|
|
* Copyright (c) 2023 Christian Chapman
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
|
|
/* mc Morse code reading methods
|
|
*/
|
|
#include "stdint.h"
|
|
|
|
#define BUFFLEN 5
|
|
typedef struct {
|
|
char b[BUFFLEN];
|
|
uint8_t bidx;
|
|
} mc_state_t;
|
|
|
|
// MC_DEC_KEY represents a binary tree of International Morse Code.
|
|
// where '.' = 0 and '-' = 1. Levels of the tree are concatenated.
|
|
//
|
|
// Capitals denote special characters:
|
|
// C = Ch digraph
|
|
// V = VERIFY (ITU-R "UNDERSTOOD")
|
|
// R = REPEAT
|
|
// W = WAIT
|
|
// S = START TRANSMISSION
|
|
// E = END OF WORK
|
|
static const char MC_DEC_KEY[] = " etianmsurwdkgohvf\0l\0pjbxcyzq\0C\x35\x34V\x33\0R\0\x32W\0+\0\0\0\0\x31\x36=/\0\0S(\0\x37\0\0\0\x38\0\x39\x30\0\0\0\0\0E\0\0\0\0\0\0?_\0\0\0\0\"\0\0.\0\0\0\0@\0\0\0'\0\0-\0\0\0\0\0\0\0\0;!\0)\0\0\0\0\0,\0\0\0\0:\0\0\0\0\0\0\0";
|
|
|
|
void mc_reset(mc_state_t * mcb);
|
|
void mc_input(mc_state_t * mc, char c);
|
|
char mc_dec(char b[BUFFLEN]);
|
|
|