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