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/*
* 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.
*/
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "watch.h"
#include "watch_utility.h"
#include "watch_private_display.h"
#include "morsecalc_face.h"
#include "morsecalc_display.h"
/* mc_input Read an input into a morse code buffer
* Input: mc = index of MORSECODE_TREE[]
* len = max morse code char length
* in = character to read into buffer (0='.', 1='-', ignored otherwise).
* If the buffer is full, reset it instead of entering the new character.
*/
static void morsecode_input(unsigned int *mc, unsigned int len, char in) {
if(*mc >= (unsigned int) ((1<<len)-1)) *mc = 0;
else if((in == 0) | (in == 1)) *mc = (*mc)*2+in+1;
return;
}
// Clear token buffer
void morsecalc_reset_token(morsecalc_state_t *mcs) {
memset(mcs->token, '\0', MORSECALC_TOKEN_LEN*sizeof(mcs->token[0]));
mcs->idxt = 0;
return;
}
// Write a completed morse code character to the calculator
void morsecalc_input(morsecalc_state_t * mcs) {
int status = 0;
char dec = MORSECODE_TREE[mcs->mc];
mcs->mc = 0;
switch(dec) {
case '\0': // Invalid character, do nothing
morsecalc_display_token(mcs);
break;
case ' ': // Submit token to calculator
if(mcs->idxt > 0) {
mcs->token[mcs->idxt] = '\0';
status = calc_input(mcs->cs, mcs->token);
morsecalc_reset_token(mcs);
}
morsecalc_display_stack(mcs);
break;
case '(': // -.--. Erase previous character in token
if(mcs->idxt>0) {
mcs->idxt--;
mcs->token[mcs->idxt] = '\0';
}
morsecalc_display_token(mcs);
break;
case 'S': // -.-.- Erase entire token without submitting
morsecalc_reset_token(mcs);
morsecalc_display_stack(mcs);
break;
default: // Add character to token
if(mcs->idxt < MORSECALC_TOKEN_LEN-1) {
mcs->token[mcs->idxt] = dec;
mcs->idxt = min(mcs->idxt+1, MORSECALC_TOKEN_LEN);
morsecalc_display_token(mcs);
}
else watch_display_string(" full", 4);
break;
}
// Print errors if there are any
switch(status) {
case 0: break; // Success
case -1: watch_display_string("cmderr", 4); break; // Unrecognized command
case -2: watch_display_string("stkerr", 4); break; // Bad stack size
default: watch_display_string(" err", 4); break; // Other error
}
return;
}
void morsecalc_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) {
(void) settings;
(void) watch_face_index;
if (*context_ptr == NULL) {
*context_ptr = malloc(sizeof(morsecalc_state_t));
morsecalc_state_t *mcs = (morsecalc_state_t *)*context_ptr;
morsecalc_reset_token(mcs);
mcs->cs = (calc_state_t *) malloc(sizeof(calc_state_t));
calc_init(mcs->cs);
mcs->mc = 0;
mcs->led_is_on = 0;
}
return;
}
void morsecalc_face_activate(movement_settings_t *settings, void *context) {
(void) settings;
morsecalc_state_t *mcs = (morsecalc_state_t *) context;
mcs->mc = 0;
morsecalc_display_stack(mcs);
return;
}
bool morsecalc_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
morsecalc_state_t *mcs = (morsecalc_state_t *) context;
switch(event.event_type) {
// input
case EVENT_ALARM_BUTTON_UP:
// dot
morsecode_input(&mcs->mc, MORSECODE_LEN, 0);
morsecalc_display_token(mcs);
break;
case EVENT_LIGHT_BUTTON_UP:
// dash
morsecode_input(&mcs->mc, MORSECODE_LEN, 1);
morsecalc_display_token(mcs);
break;
case EVENT_MODE_BUTTON_UP:
// submit character (or quit)
if(mcs->mc || mcs->idxt) morsecalc_input(mcs);
else movement_move_to_next_face();
break;
// show stack
case EVENT_ALARM_LONG_PRESS:
morsecalc_display_stack(mcs);
mcs->mc = 0;
break;
// toggle light
case EVENT_LIGHT_LONG_PRESS:
mcs->led_is_on = !mcs->led_is_on;
if(mcs->led_is_on) {
watch_set_led_color(settings->bit.led_red_color ? (0xF | settings->bit.led_red_color << 4) : 0,
settings->bit.led_green_color ? (0xF | settings->bit.led_green_color << 4) : 0);
movement_request_tick_frequency(4);
}
else {
watch_set_led_off();
movement_request_tick_frequency(1);
}
break;
// quit
case EVENT_TIMEOUT:
movement_move_to_face(0);
break;
case EVENT_MODE_LONG_PRESS:
movement_move_to_next_face();
break;
case EVENT_TICK:
if(mcs->led_is_on) {
watch_set_led_color(settings->bit.led_red_color ? (0xF | settings->bit.led_red_color << 4) : 0,
settings->bit.led_green_color ? (0xF | settings->bit.led_green_color << 4) : 0);
}
break;
case EVENT_LIGHT_BUTTON_DOWN:
// don't light up every time light is hit
break;
default:
movement_default_loop_handler(event, settings);
break;
}
return true;
}
void morsecalc_face_resign(movement_settings_t *settings, void *context) {
(void) settings;
morsecalc_state_t *mcs = (morsecalc_state_t *) context;
mcs->led_is_on = 0;
watch_set_led_off();
return;
}
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