26229efe78
are shared well between threads and underlying MicroPython (SPI Flash for example.) It is recommended to use the bus device classes to manage the locks and other transaction state. https://github.com/adafruit/Adafruit_MicroPython_BusDevice Fixed #58 Fixed #59 Fixed #60
213 lines
6.2 KiB
C
213 lines
6.2 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) 2016 Scott Shawcroft for Adafruit Industries
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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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#include "py/mphal.h"
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#include "samd21_pins.h"
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void common_hal_mcu_delay_us(uint32_t delay) {
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mp_hal_delay_us(delay);
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}
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// Interrupt flags that will be saved and restored during disable/Enable
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// interrupt functions below.
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static irqflags_t irq_flags;
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void common_hal_mcu_disable_interrupts(void) {
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// Disable all interrupt sources for timing critical sections.
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// Disable ASF-based interrupts.
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irq_flags = cpu_irq_save();
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}
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void common_hal_mcu_enable_interrupts(void) {
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// Enable all interrupt sources after timing critical sections.
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// Restore ASF-based interrupts.
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cpu_irq_restore(irq_flags);
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}
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// This maps MCU pin names to pin objects.
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STATIC const mp_map_elem_t mcu_pin_global_dict_table[] = {
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// Pins in datasheet order.
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#ifdef PIN_PA00
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA00), (mp_obj_t)&pin_PA00 },
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#endif
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#ifdef PIN_PA01
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA01), (mp_obj_t)&pin_PA01 },
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#endif
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#ifdef PIN_PA02
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA02), (mp_obj_t)&pin_PA02 },
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#endif
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#ifdef PIN_PA03
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA03), (mp_obj_t)&pin_PA03 },
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#endif
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#ifdef PIN_PB04
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB04), (mp_obj_t)&pin_PB04 },
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#endif
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#ifdef PIN_PB05
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB05), (mp_obj_t)&pin_PB05 },
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#endif
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#ifdef PIN_PB06
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB06), (mp_obj_t)&pin_PB06 },
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#endif
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#ifdef PIN_PB07
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB07), (mp_obj_t)&pin_PB07 },
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#endif
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#ifdef PIN_PB08
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB08), (mp_obj_t)&pin_PB08 },
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#endif
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#ifdef PIN_PB09
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB09), (mp_obj_t)&pin_PB09 },
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#endif
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#ifdef PIN_PA04
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA04), (mp_obj_t)&pin_PA04 },
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#endif
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#ifdef PIN_PA05
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA05), (mp_obj_t)&pin_PA05 },
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#endif
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#ifdef PIN_PA06
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA06), (mp_obj_t)&pin_PA06 },
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#endif
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#ifdef PIN_PA07
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA07), (mp_obj_t)&pin_PA07 },
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#endif
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#ifdef PIN_PA08
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA08), (mp_obj_t)&pin_PA08 },
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#endif
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#ifdef PIN_PA09
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA09), (mp_obj_t)&pin_PA09 },
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#endif
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#ifdef PIN_PA10
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA10), (mp_obj_t)&pin_PA10 },
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#endif
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#ifdef PIN_PA11
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA11), (mp_obj_t)&pin_PA11 },
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#endif
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#ifdef PIN_PB10
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB10), (mp_obj_t)&pin_PB10 },
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#endif
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#ifdef PIN_PB11
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB11), (mp_obj_t)&pin_PB11 },
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#endif
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#ifdef PIN_PB12
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB12), (mp_obj_t)&pin_PB12 },
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#endif
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#ifdef PIN_PB13
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB13), (mp_obj_t)&pin_PB13 },
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#endif
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#ifdef PIN_PB14
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB14), (mp_obj_t)&pin_PB14 },
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#endif
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// Second page.
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#ifdef PIN_PB15
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB15), (mp_obj_t)&pin_PB15 },
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#endif
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#ifdef PIN_PA12
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA12), (mp_obj_t)&pin_PA12 },
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#endif
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#ifdef PIN_PA13
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA13), (mp_obj_t)&pin_PA13 },
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#endif
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#ifdef PIN_PA14
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA14), (mp_obj_t)&pin_PA14 },
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#endif
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#ifdef PIN_PA15
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA15), (mp_obj_t)&pin_PA15 },
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#endif
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#ifdef PIN_PA16
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA16), (mp_obj_t)&pin_PA16 },
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#endif
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#ifdef PIN_PA17
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA17), (mp_obj_t)&pin_PA17 },
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#endif
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#ifdef PIN_PA18
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA18), (mp_obj_t)&pin_PA18 },
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#endif
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#ifdef PIN_PA19
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA19), (mp_obj_t)&pin_PA19 },
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#endif
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#ifdef PIN_PB16
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB16), (mp_obj_t)&pin_PB16 },
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#endif
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#ifdef PIN_PB17
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB17), (mp_obj_t)&pin_PB17 },
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#endif
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#ifdef PIN_PA20
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA20), (mp_obj_t)&pin_PA20 },
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#endif
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#ifdef PIN_PA21
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA21), (mp_obj_t)&pin_PA21 },
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#endif
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#ifdef PIN_PA22
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA22), (mp_obj_t)&pin_PA22 },
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#endif
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#ifdef PIN_PA23
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA23), (mp_obj_t)&pin_PA23 },
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#endif
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#ifdef PIN_PA24
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA24), (mp_obj_t)&pin_PA24 },
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#endif
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#ifdef PIN_PA25
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA25), (mp_obj_t)&pin_PA25 },
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#endif
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#ifdef PIN_PB22
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB22), (mp_obj_t)&pin_PB22 },
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#endif
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#ifdef PIN_PB23
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB23), (mp_obj_t)&pin_PB23 },
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#endif
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#ifdef PIN_PA27
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA27), (mp_obj_t)&pin_PA27 },
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#endif
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#ifdef PIN_PA28
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA28), (mp_obj_t)&pin_PA28 },
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#endif
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#ifdef PIN_PA30
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA30), (mp_obj_t)&pin_PA30 },
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#endif
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#ifdef PIN_PA31
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PA31), (mp_obj_t)&pin_PA31 },
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#endif
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#ifdef PIN_PB30
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB30), (mp_obj_t)&pin_PB30 },
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#endif
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#ifdef PIN_PB31
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB31), (mp_obj_t)&pin_PB31 },
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#endif
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#ifdef PIN_PB00
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB00), (mp_obj_t)&pin_PB00 },
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#endif
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#ifdef PIN_PB01
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB01), (mp_obj_t)&pin_PB01 },
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#endif
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#ifdef PIN_PB02
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB02), (mp_obj_t)&pin_PB02 },
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#endif
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#ifdef PIN_PB03
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PB03), (mp_obj_t)&pin_PB03 }
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#endif
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};
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MP_DEFINE_CONST_DICT(mcu_pin_globals, mcu_pin_global_dict_table);
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