/* * 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 "py/obj.h" #include "hal/include/hal_atomic.h" #include "py/runtime.h" #include "reset.h" #include "shared-bindings/nvm/ByteArray.h" #include "shared-bindings/microcontroller/__init__.h" #include "shared-bindings/microcontroller/Pin.h" #include "shared-bindings/microcontroller/Processor.h" #include "supervisor/shared/translate.h" void common_hal_mcu_delay_us(uint32_t delay) { mp_hal_delay_us(delay); } volatile uint32_t nesting_count = 0; void common_hal_mcu_disable_interrupts(void) { __disable_irq(); __DMB(); nesting_count++; } void common_hal_mcu_enable_interrupts(void) { if (nesting_count == 0) { // This is very very bad because it means there was mismatched disable/enables so we // "HardFault". HardFault_Handler(); } nesting_count--; if (nesting_count > 0) { return; } __DMB(); __enable_irq(); } extern uint32_t _ezero; void common_hal_mcu_on_next_reset(mcu_runmode_t runmode) { // Set up the defaults. _bootloader_dbl_tap = DBL_TAP_MAGIC_QUICK_BOOT; _ezero = CIRCUITPY_CANARY_WORD; if (runmode == RUNMODE_BOOTLOADER) { if (!bootloader_available()) { mp_raise_ValueError(translate("Cannot reset into bootloader because no bootloader is present.")); } // Pretend to be the first of the two reset presses needed to enter the // bootloader. That way one reset will end in the bootloader. _bootloader_dbl_tap = DBL_TAP_MAGIC; } else if (runmode == RUNMODE_SAFE_MODE) { _ezero = CIRCUITPY_SOFTWARE_SAFE_MODE; } } void common_hal_mcu_reset(void) { reset(); } // The singleton microcontroller.Processor object, bound to microcontroller.cpu // It currently only has properties, and no state. const mcu_processor_obj_t common_hal_mcu_processor_obj = { .base = { .type = &mcu_processor_type, }, }; // NVM is only available on Express boards for now. #if CIRCUITPY_INTERNAL_NVM_SIZE > 0 // The singleton nvm.ByteArray object. const nvm_bytearray_obj_t common_hal_mcu_nvm_obj = { .base = { .type = &nvm_bytearray_type, }, .len = CIRCUITPY_INTERNAL_NVM_SIZE, .start_address = (uint8_t*) (FLASH_SIZE - CIRCUITPY_INTERNAL_NVM_SIZE) }; #endif // This maps MCU pin names to pin objects. STATIC const mp_rom_map_elem_t mcu_pin_global_dict_table[] = { // Pins in datasheet order. #if defined(PIN_PA00) && !defined(IGNORE_PIN_PA00) { MP_ROM_QSTR(MP_QSTR_PA00), MP_ROM_PTR(&pin_PA00) }, #endif #if defined(PIN_PA01) && !defined(IGNORE_PIN_PA01) { MP_ROM_QSTR(MP_QSTR_PA01), MP_ROM_PTR(&pin_PA01) }, #endif #if defined(PIN_PA02) && !defined(IGNORE_PIN_PA02) { MP_ROM_QSTR(MP_QSTR_PA02), MP_ROM_PTR(&pin_PA02) }, #endif #if defined(PIN_PA03) && !defined(IGNORE_PIN_PA03) { MP_ROM_QSTR(MP_QSTR_PA03), MP_ROM_PTR(&pin_PA03) }, #endif #if defined(PIN_PB04) && !defined(IGNORE_PIN_PB04) { MP_ROM_QSTR(MP_QSTR_PB04), MP_ROM_PTR(&pin_PB04) }, #endif #if defined(PIN_PB05) && !defined(IGNORE_PIN_PB05) { MP_ROM_QSTR(MP_QSTR_PB05), MP_ROM_PTR(&pin_PB05) }, #endif #if defined(PIN_PB06) && !defined(IGNORE_PIN_PB06) { MP_ROM_QSTR(MP_QSTR_PB06), MP_ROM_PTR(&pin_PB06) }, #endif #if defined(PIN_PB07) && !defined(IGNORE_PIN_PB07) { MP_ROM_QSTR(MP_QSTR_PB07), MP_ROM_PTR(&pin_PB07) }, #endif #if defined(PIN_PB08) && !defined(IGNORE_PIN_PB08) { MP_ROM_QSTR(MP_QSTR_PB08), MP_ROM_PTR(&pin_PB08) }, #endif #if defined(PIN_PB09) && !defined(IGNORE_PIN_PB09) { MP_ROM_QSTR(MP_QSTR_PB09), MP_ROM_PTR(&pin_PB09) }, #endif #if defined(PIN_PA04) && !defined(IGNORE_PIN_PA04) { MP_ROM_QSTR(MP_QSTR_PA04), MP_ROM_PTR(&pin_PA04) }, #endif #if defined(PIN_PA05) && !defined(IGNORE_PIN_PA05) { MP_ROM_QSTR(MP_QSTR_PA05), MP_ROM_PTR(&pin_PA05) }, #endif #if defined(PIN_PA06) && !defined(IGNORE_PIN_PA06) { MP_ROM_QSTR(MP_QSTR_PA06), MP_ROM_PTR(&pin_PA06) }, #endif #if defined(PIN_PA07) && !defined(IGNORE_PIN_PA07) { MP_ROM_QSTR(MP_QSTR_PA07), MP_ROM_PTR(&pin_PA07) }, #endif #if defined(PIN_PA08) && !defined(IGNORE_PIN_PA08) { MP_ROM_QSTR(MP_QSTR_PA08), MP_ROM_PTR(&pin_PA08) }, #endif #if defined(PIN_PA09) && !defined(IGNORE_PIN_PA09) { MP_ROM_QSTR(MP_QSTR_PA09), MP_ROM_PTR(&pin_PA09) }, #endif #if defined(PIN_PA10) && !defined(IGNORE_PIN_PA10) { MP_ROM_QSTR(MP_QSTR_PA10), MP_ROM_PTR(&pin_PA10) }, #endif #if defined(PIN_PA11) && !defined(IGNORE_PIN_PA11) { MP_ROM_QSTR(MP_QSTR_PA11), MP_ROM_PTR(&pin_PA11) }, #endif #if defined(PIN_PB10) && !defined(IGNORE_PIN_PB10) { MP_ROM_QSTR(MP_QSTR_PB10), MP_ROM_PTR(&pin_PB10) }, #endif #if defined(PIN_PB11) && !defined(IGNORE_PIN_PB11) { MP_ROM_QSTR(MP_QSTR_PB11), MP_ROM_PTR(&pin_PB11) }, #endif #if defined(PIN_PB12) && !defined(IGNORE_PIN_PB12) { MP_ROM_QSTR(MP_QSTR_PB12), MP_ROM_PTR(&pin_PB12) }, #endif #if defined(PIN_PB13) && !defined(IGNORE_PIN_PB13) { MP_ROM_QSTR(MP_QSTR_PB13), MP_ROM_PTR(&pin_PB13) }, #endif #if defined(PIN_PB14) && !defined(IGNORE_PIN_PB14) { MP_ROM_QSTR(MP_QSTR_PB14), MP_ROM_PTR(&pin_PB14) }, #endif // Second page. #if defined(PIN_PB15) && !defined(IGNORE_PIN_PB15) { MP_ROM_QSTR(MP_QSTR_PB15), MP_ROM_PTR(&pin_PB15) }, #endif #if defined(PIN_PA12) && !defined(IGNORE_PIN_PA12) { MP_ROM_QSTR(MP_QSTR_PA12), MP_ROM_PTR(&pin_PA12) }, #endif #if defined(PIN_PA13) && !defined(IGNORE_PIN_PA13) { MP_ROM_QSTR(MP_QSTR_PA13), MP_ROM_PTR(&pin_PA13) }, #endif #if defined(PIN_PA14) && !defined(IGNORE_PIN_PA14) { MP_ROM_QSTR(MP_QSTR_PA14), MP_ROM_PTR(&pin_PA14) }, #endif #if defined(PIN_PA15) && !defined(IGNORE_PIN_PA15) { MP_ROM_QSTR(MP_QSTR_PA15), MP_ROM_PTR(&pin_PA15) }, #endif #if defined(PIN_PA16) && !defined(IGNORE_PIN_PA16) { MP_ROM_QSTR(MP_QSTR_PA16), MP_ROM_PTR(&pin_PA16) }, #endif #if defined(PIN_PA17) && !defined(IGNORE_PIN_PA17) { MP_ROM_QSTR(MP_QSTR_PA17), MP_ROM_PTR(&pin_PA17) }, #endif #if defined(PIN_PA18) && !defined(IGNORE_PIN_PA18) { MP_ROM_QSTR(MP_QSTR_PA18), MP_ROM_PTR(&pin_PA18) }, #endif #if defined(PIN_PA19) && !defined(IGNORE_PIN_PA19) { MP_ROM_QSTR(MP_QSTR_PA19), MP_ROM_PTR(&pin_PA19) }, #endif #if defined(PIN_PB16) && !defined(IGNORE_PIN_PB16) { MP_ROM_QSTR(MP_QSTR_PB16), MP_ROM_PTR(&pin_PB16) }, #endif #if defined(PIN_PB17) && !defined(IGNORE_PIN_PB17) { MP_ROM_QSTR(MP_QSTR_PB17), MP_ROM_PTR(&pin_PB17) }, #endif #if defined(PIN_PA20) && !defined(IGNORE_PIN_PA20) { MP_ROM_QSTR(MP_QSTR_PA20), MP_ROM_PTR(&pin_PA20) }, #endif #if defined(PIN_PA21) && !defined(IGNORE_PIN_PA21) { MP_ROM_QSTR(MP_QSTR_PA21), MP_ROM_PTR(&pin_PA21) }, #endif #if defined(PIN_PA22) && !defined(IGNORE_PIN_PA22) { MP_ROM_QSTR(MP_QSTR_PA22), MP_ROM_PTR(&pin_PA22) }, #endif #if defined(PIN_PA23) && !defined(IGNORE_PIN_PA23) { MP_ROM_QSTR(MP_QSTR_PA23), MP_ROM_PTR(&pin_PA23) }, #endif #if defined(PIN_PA24) && !defined(IGNORE_PIN_PA24) { MP_ROM_QSTR(MP_QSTR_PA24), MP_ROM_PTR(&pin_PA24) }, #endif #if defined(PIN_PA25) && !defined(IGNORE_PIN_PA25) { MP_ROM_QSTR(MP_QSTR_PA25), MP_ROM_PTR(&pin_PA25) }, #endif #if defined(PIN_PB22) && !defined(IGNORE_PIN_PB22) { MP_ROM_QSTR(MP_QSTR_PB22), MP_ROM_PTR(&pin_PB22) }, #endif #if defined(PIN_PB23) && !defined(IGNORE_PIN_PB23) { MP_ROM_QSTR(MP_QSTR_PB23), MP_ROM_PTR(&pin_PB23) }, #endif #if defined(PIN_PA27) && !defined(IGNORE_PIN_PA27) { MP_ROM_QSTR(MP_QSTR_PA27), MP_ROM_PTR(&pin_PA27) }, #endif #if defined(PIN_PA28) && !defined(IGNORE_PIN_PA28) { MP_ROM_QSTR(MP_QSTR_PA28), MP_ROM_PTR(&pin_PA28) }, #endif #if defined(PIN_PA30) && !defined(IGNORE_PIN_PA30) { MP_ROM_QSTR(MP_QSTR_PA30), MP_ROM_PTR(&pin_PA30) }, #endif #if defined(PIN_PA31) && !defined(IGNORE_PIN_PA31) { MP_ROM_QSTR(MP_QSTR_PA31), MP_ROM_PTR(&pin_PA31) }, #endif #if defined(PIN_PB30) && !defined(IGNORE_PIN_PB30) { MP_ROM_QSTR(MP_QSTR_PB30), MP_ROM_PTR(&pin_PB30) }, #endif #if defined(PIN_PB31) && !defined(IGNORE_PIN_PB31) { MP_ROM_QSTR(MP_QSTR_PB31), MP_ROM_PTR(&pin_PB31) }, #endif #if defined(PIN_PB00) && !defined(IGNORE_PIN_PB00) { MP_ROM_QSTR(MP_QSTR_PB00), MP_ROM_PTR(&pin_PB00) }, #endif #if defined(PIN_PB01) && !defined(IGNORE_PIN_PB01) { MP_ROM_QSTR(MP_QSTR_PB01), MP_ROM_PTR(&pin_PB01) }, #endif #if defined(PIN_PB02) && !defined(IGNORE_PIN_PB02) { MP_ROM_QSTR(MP_QSTR_PB02), MP_ROM_PTR(&pin_PB02) }, #endif #if defined(PIN_PB03) && !defined(IGNORE_PIN_PB03) { MP_ROM_QSTR(MP_QSTR_PB03), MP_ROM_PTR(&pin_PB03) }, #endif #if defined(PIN_PC16) { MP_ROM_QSTR(MP_QSTR_PC16), MP_ROM_PTR(&pin_PC16) }, #endif #if defined(PIN_PC18) { MP_ROM_QSTR(MP_QSTR_PC18), MP_ROM_PTR(&pin_PC18) }, #endif #if defined(PIN_PC19) { MP_ROM_QSTR(MP_QSTR_PC19), MP_ROM_PTR(&pin_PC19) }, #endif }; MP_DEFINE_CONST_DICT(mcu_pin_globals, mcu_pin_global_dict_table);