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https://github.com/licsber/micropython.git
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dfd4324eb1
This commit adds full support for a filesystem on all boards, with a block device object mimxrt.Flash() and uos.VfsLfs2 enabled. Main changes are: - Refactoring of linker scripts to accomodate reserved area for VFS. VFS will take up most of the available flash. 1M is reserved for code. 9K is reserved for flash configuration, interrupts, etc. - Addition of _boot.py with filesystem init code, called from main.c. - Definition of the mimxrt module with a Flash class in modmimxrt.[ch]. - Implementation of a flash driver class in mimxrt_flash.c. All flashing related functions are stored in ITCM RAM. - Addition of the uos module with filesystem functions. - Implementation of uos.urandom() for the sake of completeness of the uos module. It uses sample code from CircuitPython supplied under MIT license, which uses the NXP SDK example code. Done in collaboration with Philipp Ebensberger aka @alphaFred who contributed the essential part to enable writing to flash while code is executing, among other things.
82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Damien P. George
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* Copyright (c) 2020 Jim Mussared
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_MIMXRT_MPHALPORT_H
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#define MICROPY_INCLUDED_MIMXRT_MPHALPORT_H
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#include <stdint.h>
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#include "ticks.h"
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#include "pin.h"
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#define MP_HAL_PIN_FMT "%q"
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#define mp_hal_pin_obj_t const machine_pin_obj_t *
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#define mp_hal_get_pin_obj(o) pin_find(o)
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#define mp_hal_pin_name(p) ((p)->name)
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#define mp_hal_pin_input(p) machine_pin_set_mode(p, PIN_MODE_IN);
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#define mp_hal_pin_output(p) machine_pin_set_mode(p, PIN_MODE_OUT);
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#define mp_hal_pin_open_drain(p) machine_pin_set_mode(p, PIN_MODE_OPEN_DRAIN);
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#define mp_hal_pin_high(p) (GPIO_PinWrite(p->gpio, p->pin, 1U))
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#define mp_hal_pin_low(p) (GPIO_PinWrite(p->gpio, p->pin, 0U))
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#define mp_hal_pin_write(p, value) (GPIO_PinWrite(p->gpio, p->pin, value))
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#define mp_hal_pin_toggle(p) (GPIO_PortToggle(p->gpio, (1 << p->pin)))
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#define mp_hal_pin_read(p) (GPIO_PinReadPadStatus(p->gpio, p->pin))
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#define mp_hal_pin_od_low(p) mp_hal_pin_low(p)
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#define mp_hal_pin_od_high(p) mp_hal_pin_high(p)
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void mp_hal_set_interrupt_char(int c);
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static inline mp_uint_t mp_hal_ticks_ms(void) {
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return ticks_ms32();
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}
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static inline mp_uint_t mp_hal_ticks_us(void) {
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return ticks_us32();
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}
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static inline void mp_hal_delay_ms(mp_uint_t ms) {
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uint64_t us = (uint64_t)ms * 1000;
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ticks_delay_us64(us);
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}
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static inline void mp_hal_delay_us(mp_uint_t us) {
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ticks_delay_us64(us);
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}
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#define mp_hal_delay_us_fast(us) mp_hal_delay_us(us)
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static inline mp_uint_t mp_hal_ticks_cpu(void) {
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return 0;
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}
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static inline uint64_t mp_hal_time_ns(void) {
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// TODO: Implement this function.
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return 0UL;
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}
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#endif // MICROPY_INCLUDED_MIMXRT_MPHALPORT_H
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