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/systick/hpl_systick.c | 104 +++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 watch-library/hardware/hpl/systick/hpl_systick.c (limited to 'watch-library/hardware/hpl/systick') diff --git a/watch-library/hardware/hpl/systick/hpl_systick.c b/watch-library/hardware/hpl/systick/hpl_systick.c new file mode 100644 index 00000000..c2f3b29e --- /dev/null +++ b/watch-library/hardware/hpl/systick/hpl_systick.c @@ -0,0 +1,104 @@ + +/** + * \file + * + * \brief SysTick related functionality implementation. + * + * Copyright (c) 2014-2018 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 + +/** + * \brief Initialize system time module + */ +void _system_time_init(void *const hw) +{ + (void)hw; + SysTick->LOAD = (0xFFFFFF << SysTick_LOAD_RELOAD_Pos); + SysTick->CTRL = (1 << SysTick_CTRL_ENABLE_Pos) | (CONF_SYSTICK_TICKINT << SysTick_CTRL_TICKINT_Pos) + | (1 << SysTick_CTRL_CLKSOURCE_Pos); +} +/** + * \brief Initialize delay functionality + */ +void _delay_init(void *const hw) +{ + _system_time_init(hw); +} + +/** + * \brief De-initialize system time module + */ +void _system_time_deinit(void *const hw) +{ + (void)hw; + SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk; +} + +/** + * \brief Get system time + */ +system_time_t _system_time_get(const void *const hw) +{ + (void)hw; + return (system_time_t)SysTick->VAL; +} + +/** + * \brief Get maximum possible system time + */ +system_time_t _system_time_get_max_time_value(const void *const hw) +{ + (void)hw; + return 0xFFFFFF; +} +/** + * \brief Delay loop to delay n number of cycles + */ +void _delay_cycles(void *const hw, uint32_t cycles) +{ + (void)hw; + uint8_t n = cycles >> 24; + uint32_t buf = cycles; + + while (n--) { + SysTick->LOAD = 0xFFFFFF; + SysTick->VAL = 0xFFFFFF; + while (!(SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk)) + ; + buf -= 0xFFFFFF; + } + + SysTick->LOAD = buf; + SysTick->VAL = buf; + while (!(SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk)) + ; +} -- cgit v1.2.3