From 48b5f2a384e7ecc10ee51b453934a009ea9dc48d Mon Sep 17 00:00:00 2001 From: Scott Shawcroft Date: Thu, 12 Mar 2020 23:05:12 -0700 Subject: Initial work on SAMD --- shared-module/time/__init__.c | 44 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 shared-module/time/__init__.c (limited to 'shared-module') diff --git a/shared-module/time/__init__.c b/shared-module/time/__init__.c new file mode 100644 index 000000000..21fe98926 --- /dev/null +++ b/shared-module/time/__init__.c @@ -0,0 +1,44 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2016 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "py/mphal.h" +#include "supervisor/port.h" + +uint64_t common_hal_time_monotonic(void) { + return supervisor_ticks_ms64(); +} + +uint64_t common_hal_time_monotonic_ns(void) { + uint8_t subticks = 0; + uint64_t ticks = port_get_raw_ticks(&subticks); + // A tick is 976562.5 nanoseconds so multiply it by the base and add half instead of doing float + // math. + return 976562 * ticks + ticks / 2 + 30518 * subticks; +} + +void common_hal_time_delay_ms(uint32_t delay) { + mp_hal_delay_ms(delay); +} -- cgit v1.2.3