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
123 lines
3.2 KiB
C
Executable File
123 lines
3.2 KiB
C
Executable File
/**
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* \file
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*
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* \brief Generic Random Number Generator (RNG) functionality 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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#include <utils.h>
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#include "hal_rand_sync.h"
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#define HAL_RNG_SYNC_VERSION 0x00000001u
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int32_t rand_sync_init(struct rand_sync_desc *const desc, void *const hw)
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{
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ASSERT(desc);
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return _rand_sync_init(&desc->dev, hw);
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}
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void rand_sync_deinit(struct rand_sync_desc *const desc)
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{
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ASSERT(desc);
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_rand_sync_deinit(&desc->dev);
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}
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int32_t rand_sync_enable(struct rand_sync_desc *const desc)
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{
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ASSERT(desc);
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return _rand_sync_enable(&desc->dev);
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}
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void rand_sync_disable(struct rand_sync_desc *const desc)
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{
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ASSERT(desc);
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_rand_sync_disable(&desc->dev);
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}
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int32_t rand_sync_set_seed(struct rand_sync_desc *const desc, const uint32_t seed)
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{
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ASSERT(desc);
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return _rand_sync_set_seed(&desc->dev, seed);
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}
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/**
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* \brief Read data bits
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*/
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static uint32_t _rand_sync_read_data(const struct _rand_sync_dev *dev, const uint8_t n_bits)
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{
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uint8_t r_bits = (dev->n_bits < 1) ? 32 : dev->n_bits;
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if (r_bits < n_bits) {
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uint8_t i;
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uint32_t d = 0;
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/* Join read bits */
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for (i = 0; i < n_bits; i += r_bits) {
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d |= (uint32_t)(_rand_sync_read_one(dev) << i);
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}
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return d;
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} else {
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return _rand_sync_read_one(dev);
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}
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}
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uint8_t rand_sync_read8(const struct rand_sync_desc *const desc)
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{
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ASSERT(desc);
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return (uint8_t)_rand_sync_read_data(&desc->dev, 8);
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}
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uint32_t rand_sync_read32(const struct rand_sync_desc *const desc)
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{
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ASSERT(desc);
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return (uint32_t)_rand_sync_read_data(&desc->dev, 32);
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}
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void rand_sync_read_buf8(const struct rand_sync_desc *const desc, uint8_t *buf, uint32_t len)
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{
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uint32_t i;
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ASSERT(desc && (buf && len));
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for (i = 0; i < len; i++) {
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buf[i] = (uint8_t)_rand_sync_read_data(&desc->dev, 8);
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}
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}
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void rand_sync_read_buf32(const struct rand_sync_desc *const desc, uint32_t *buf, uint32_t len)
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{
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uint32_t i;
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ASSERT(desc && (buf && len));
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for (i = 0; i < len; i++) {
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buf[i] = (uint32_t)_rand_sync_read_data(&desc->dev, 32);
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}
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}
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uint32_t rand_sync_get_version(void)
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{
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return HAL_RNG_SYNC_VERSION;
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}
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