b8de35658f
* Put something on screen * Use the 32bit watch_date_time repr to pass from JS * Implement periodic callbacks * Clear display on enabling * Hook up watch_set_led_color() to SVG (green-only) * Make debug output full-width * Remove default Emscripten canvas * Implement sleep and button clicks * Fix time zone conversion bug in beats-time app * Clean up warnings * Fix pin levels * Set time zone to browser value (if available) * Add basic backup data saving * Silence format specifier warnings in both targets * Remove unnecessary, copied files * Use RTC pointer to clear callbacks (if available) * Use preprocessor define to avoid hardcoding MOVEMENT_NUM_FACES * Change each face to const preprocessor definition * Remove Intl.DateTimeFormat usage * Update shell.html title, header * Add touch start/end event handlers on SVG buttons * Update shell.html * Update folder structure (shared, simulator, hardware under watch-library) * Tease out shared components from watch_slcd * Clean up simulator watch_slcd.c inline JS calls * Fix missing newlines at end of file * Add simulator warnings (except format, unused-paremter) * Implement remaining watch_rtc functions * Fix button bug on mouse down then drag out * Implement remaining watch_slcd functions * Link keyboard events to buttons (for keys A, L, M) * Rewrite event handling (mouse, touch, keyboard) in C * Set explicit text UTF-8 charset in shell.html * Address PR comments * Remove unused directories from include paths
79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
/*
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* MIT License
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*
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* Copyright (c) 2020 Joey Castillo
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "watch_private.h"
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#include "watch_utility.h"
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#include <sys/time.h>
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void _watch_init(void) {
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// External wake depends on RTC; calendar is a required module.
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_watch_rtc_init();
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}
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// this function is called by arc4random to get entropy for random number generation.
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// let's use the SAM L22's true random number generator to seed the PRNG!
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int getentropy(void *buf, size_t buflen);
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int getentropy(void *buf, size_t buflen) {
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// TODO: (a2) hook to RNG
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return 0;
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}
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int _gettimeofday(struct timeval *tv, void *tzvp);
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int _gettimeofday(struct timeval *tv, void *tzvp) {
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(void)tzvp;
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watch_date_time date_time = watch_rtc_get_date_time();
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// FIXME: this assumes the system time is UTC! Will break for any other time zone.
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tv->tv_sec = watch_utility_date_time_to_unix_time(date_time, 0);
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tv->tv_usec = 0;
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return 0;
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}
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void _watch_enable_tcc(void) {}
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void _watch_disable_tcc(void) {}
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void _watch_enable_usb(void) {}
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// this function ends up getting called by printf to log stuff to the USB console.
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int _write(int file, char *ptr, int len) {
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// TODO: (a2) hook to UI
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return 0;
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}
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// this method could be overridden to read stuff from the USB console? but no need rn.
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int _read(void) {
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return 0;
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}
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// Alternate function that outputs to the debug UART. useful for debugging USB issues.
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// int _write(int file, char *ptr, int len) {
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// (void)file;
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// int pos = 0;
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// while(pos < len) watch_debug_putc(ptr[pos++]);
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// return 0;
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// }
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