From b8de35658ffd78ad8b22f91ccbbd3d63663afda9 Mon Sep 17 00:00:00 2001 From: Alexsander Akers Date: Tue, 25 Jan 2022 15:03:22 -0500 Subject: Sensor Watch Simulator (#35) * 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 --- watch-library/hardware/hpl/trng/hpl_trng.c | 110 +++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100755 watch-library/hardware/hpl/trng/hpl_trng.c (limited to 'watch-library/hardware/hpl/trng') diff --git a/watch-library/hardware/hpl/trng/hpl_trng.c b/watch-library/hardware/hpl/trng/hpl_trng.c new file mode 100755 index 00000000..43ede044 --- /dev/null +++ b/watch-library/hardware/hpl/trng/hpl_trng.c @@ -0,0 +1,110 @@ +/** + * \file + * + * \brief True Random Number Generator + * + * Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries. + * + * \asf_license_start + * + * \page License + * + * Subject to your compliance with these terms, you may use Microchip + * software and any derivatives exclusively with Microchip products. + * It is your responsibility to comply with third party license terms applicable + * to your use of third party software (including open source software) that + * may accompany Microchip software. + * + * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, + * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, + * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, + * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE + * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL + * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE + * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE + * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT + * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY + * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY, + * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE. + * + * \asf_license_stop + * + */ + +#include +#include +#include +#include + +static inline int32_t _trng_init(void *hw) +{ + if (hri_trng_get_CTRLA_reg(hw, TRNG_CTRLA_ENABLE)) { + return ERR_DENIED; + } + if (CONF_TRNG_RUNSTDBY) { + hri_trng_set_CTRLA_RUNSTDBY_bit(hw); + } else { + hri_trng_clear_CTRLA_RUNSTDBY_bit(hw); + } + if (CONF_TRNG_DATARDYEO) { + hri_trng_set_EVCTRL_DATARDYEO_bit(hw); + } else { + hri_trng_clear_EVCTRL_DATARDYEO_bit(hw); + } + return ERR_NONE; +} + +int32_t _rand_sync_init(struct _rand_sync_dev *const dev, void *const hw) +{ + int32_t rc; + + ASSERT(dev && hw); + + rc = _trng_init(hw); + if (rc == ERR_NONE) { + dev->prvt = hw; + dev->n_bits = 32; + } + return rc; +} + +void _rand_sync_deinit(struct _rand_sync_dev *const dev) +{ + _rand_sync_disable(dev); +} + +int32_t _rand_sync_enable(struct _rand_sync_dev *const dev) +{ + ASSERT(dev); + ASSERT(dev->prvt); + + hri_trng_set_CTRLA_ENABLE_bit(dev->prvt); + return ERR_NONE; +} + +void _rand_sync_disable(struct _rand_sync_dev *const dev) +{ + ASSERT(dev); + ASSERT(dev->prvt); + + hri_trng_clear_CTRLA_ENABLE_bit(dev->prvt); +} + +int32_t _rand_sync_set_seed(struct _rand_sync_dev *const dev, const uint32_t seed) +{ + (void)dev; + (void)seed; + return ERR_UNSUPPORTED_OP; +} + +uint32_t _rand_sync_read_one(const struct _rand_sync_dev *const dev) +{ + ASSERT(dev); + ASSERT(dev->prvt); + ASSERT(hri_trng_get_CTRLA_reg(dev->prvt, TRNG_CTRLA_ENABLE)); + + while (!hri_trng_get_INTFLAG_reg(dev->prvt, TRNG_INTFLAG_DATARDY)) { + /* Wait until data ready. */ + } + return hri_trng_read_DATA_reg(dev->prvt); +} -- cgit v1.2.3