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
116 lines
3.3 KiB
C
116 lines
3.3 KiB
C
/**
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* \file
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*
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* \brief Events declaration.
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*
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* Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries.
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*
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* \asf_license_start
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*
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* \page License
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*
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* Subject to your compliance with these terms, you may use Microchip
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* software and any derivatives exclusively with Microchip products.
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* It is your responsibility to comply with third party license terms applicable
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* to your use of third party software (including open source software) that
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* may accompany Microchip software.
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*
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* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
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* WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
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* INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
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* AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
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* LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
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* LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
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* SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
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* POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
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* ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
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* RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
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* THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
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*
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* \asf_license_stop
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*
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*/
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#ifndef _UTILS_EVENT_H_INCLUDED
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#define _UTILS_EVENT_H_INCLUDED
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <utils.h>
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#include <utils_list.h>
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#include <events.h>
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/**
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* \brief The maximum amount of events
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*/
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#define EVENT_MAX_AMOUNT 8
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/**
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* \brief The size of event mask used, it is EVENT_MAX_AMOUNT rounded up to the
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* closest number divisible by 8.
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*/
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#define EVENT_MASK_SIZE (round_up(EVENT_MAX_AMOUNT, 8))
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/**
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* \brief The type of event ID. IDs should start with 0 and be in numerical order.
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*/
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typedef uint8_t event_id_t;
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/**
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* \brief The type of returned parameter. This type is big enough to contain
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* pointer to data on any platform.
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*/
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typedef uintptr_t event_data_t;
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/**
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* \brief The type of returned parameter. This type is big enough to contain
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* pointer to data on any platform.
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*/
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typedef void (*event_cb_t)(event_id_t id, event_data_t data);
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/**
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* \brief Event structure
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*/
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struct event {
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struct list_element elem; /*! The pointer to next event */
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uint8_t mask[EVENT_MASK_SIZE]; /*! Mask of event IDs callback is called for */
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event_cb_t cb; /*! Callback to be called when an event occurs */
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};
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/**
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* \brief Subscribe to event
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*
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* \param[in] event The pointer to event structure
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* \param[in] id The event ID to subscribe to
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* \param[in] cb The callback function to call when the given event occurs
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*
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* \return The status of subscription
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*/
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int32_t event_subscribe(struct event *const event, const event_id_t id, event_cb_t cb);
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/**
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* \brief Remove event from subscription
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*
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* \param[in] event The pointer to event structure
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* \param[in] id The event ID to remove subscription from
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*
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* \return The status of subscription removing
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*/
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int32_t event_unsubscribe(struct event *const event, const event_id_t id);
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/**
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* \brief Post event
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*
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* \param[in] id The event ID to post
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* \param[in] data The event data to be passed to event subscribers
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*/
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void event_post(const event_id_t id, const event_data_t data);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _UTILS_EVENT_H_INCLUDED */
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