/* * This file is part of the MicroPython project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2020-2021 Damien P. George * * 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/runtime.h" #include "py/mphal.h" #include "extmod/machine_i2c.h" #include "extmod/machine_mem.h" #include "extmod/machine_spi.h" #include "modmachine.h" #include "hardware/clocks.h" #include "hardware/watchdog.h" #include "pico/bootrom.h" #define RP2_RESET_PWRON (1) #define RP2_RESET_WDT (3) STATIC mp_obj_t machine_reset(void) { watchdog_reboot(0, SRAM_END, 0); for (;;) { __wfi(); } return mp_const_none; } MP_DEFINE_CONST_FUN_OBJ_0(machine_reset_obj, machine_reset); STATIC mp_obj_t machine_reset_cause(void) { int reset_cause; if (watchdog_caused_reboot()) { reset_cause = RP2_RESET_WDT; } else { reset_cause = RP2_RESET_PWRON; } return MP_OBJ_NEW_SMALL_INT(reset_cause); } STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_reset_cause_obj, machine_reset_cause); STATIC mp_obj_t machine_bootloader(void) { reset_usb_boot(0, 0); return mp_const_none; } MP_DEFINE_CONST_FUN_OBJ_0(machine_bootloader_obj, machine_bootloader); STATIC mp_obj_t machine_freq(void) { return MP_OBJ_NEW_SMALL_INT(clock_get_hz(clk_sys)); } MP_DEFINE_CONST_FUN_OBJ_0(machine_freq_obj, machine_freq); STATIC const mp_rom_map_elem_t machine_module_globals_table[] = { { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_umachine) }, { MP_ROM_QSTR(MP_QSTR_reset), MP_ROM_PTR(&machine_reset_obj) }, { MP_ROM_QSTR(MP_QSTR_reset_cause), MP_ROM_PTR(&machine_reset_cause_obj) }, { MP_ROM_QSTR(MP_QSTR_bootloader), MP_ROM_PTR(&machine_bootloader_obj) }, { MP_ROM_QSTR(MP_QSTR_freq), MP_ROM_PTR(&machine_freq_obj) }, { MP_ROM_QSTR(MP_QSTR_mem8), MP_ROM_PTR(&machine_mem8_obj) }, { MP_ROM_QSTR(MP_QSTR_mem16), MP_ROM_PTR(&machine_mem16_obj) }, { MP_ROM_QSTR(MP_QSTR_mem32), MP_ROM_PTR(&machine_mem32_obj) }, { MP_ROM_QSTR(MP_QSTR_ADC), MP_ROM_PTR(&machine_adc_type) }, { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&machine_hw_i2c_type) }, { MP_ROM_QSTR(MP_QSTR_SoftI2C), MP_ROM_PTR(&mp_machine_soft_i2c_type) }, { MP_ROM_QSTR(MP_QSTR_Pin), MP_ROM_PTR(&machine_pin_type) }, { MP_ROM_QSTR(MP_QSTR_PWM), MP_ROM_PTR(&machine_pwm_type) }, { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&machine_spi_type) }, { MP_ROM_QSTR(MP_QSTR_SoftSPI), MP_ROM_PTR(&mp_machine_soft_spi_type) }, { MP_ROM_QSTR(MP_QSTR_Timer), MP_ROM_PTR(&machine_timer_type) }, { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&machine_uart_type) }, { MP_ROM_QSTR(MP_QSTR_WDT), MP_ROM_PTR(&machine_wdt_type) }, { MP_ROM_QSTR(MP_QSTR_PWRON_RESET), MP_ROM_INT(RP2_RESET_PWRON) }, { MP_ROM_QSTR(MP_QSTR_WDT_RESET), MP_ROM_INT(RP2_RESET_WDT) }, }; STATIC MP_DEFINE_CONST_DICT(machine_module_globals, machine_module_globals_table); const mp_obj_module_t mp_module_machine = { .base = { &mp_type_module }, .globals = (mp_obj_dict_t *)&machine_module_globals, };