191 lines
7.7 KiB
C
191 lines
7.7 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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#include "py/runtime.h"
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#include "drivers/dht/dht.h"
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#include "extmod/machine_bitstream.h"
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#include "extmod/machine_mem.h"
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#include "extmod/machine_i2c.h"
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#include "extmod/machine_pulse.h"
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#include "extmod/machine_signal.h"
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#include "extmod/machine_spi.h"
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#include "shared/runtime/pyexec.h"
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#include "led.h"
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#include "pin.h"
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#include "modmachine.h"
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#include "fsl_wdog.h"
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#if FSL_FEATURE_BOOT_ROM_HAS_ROMAPI
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#include "fsl_romapi.h"
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#endif
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#if MICROPY_PY_MACHINE
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#include CPU_HEADER_H
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typedef enum {
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MP_PWRON_RESET = 1,
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MP_HARD_RESET,
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MP_WDT_RESET,
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MP_DEEPSLEEP_RESET,
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MP_SOFT_RESET
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} reset_reason_t;
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STATIC mp_obj_t machine_unique_id(void) {
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unsigned char id[8];
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mp_hal_get_unique_id(id);
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return mp_obj_new_bytes(id, sizeof(id));
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}
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MP_DEFINE_CONST_FUN_OBJ_0(machine_unique_id_obj, machine_unique_id);
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STATIC mp_obj_t machine_soft_reset(void) {
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pyexec_system_exit = PYEXEC_FORCED_EXIT;
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mp_raise_type(&mp_type_SystemExit);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_soft_reset_obj, machine_soft_reset);
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STATIC mp_obj_t machine_reset(void) {
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WDOG_TriggerSystemSoftwareReset(WDOG1);
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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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uint16_t reset_cause =
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WDOG_GetStatusFlags(WDOG1) & (kWDOG_PowerOnResetFlag | kWDOG_TimeoutResetFlag | kWDOG_SoftwareResetFlag);
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if (reset_cause == kWDOG_PowerOnResetFlag) {
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reset_cause = MP_PWRON_RESET;
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} else if (reset_cause == kWDOG_TimeoutResetFlag) {
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reset_cause = MP_WDT_RESET;
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} else {
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reset_cause = MP_SOFT_RESET;
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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_freq(void) {
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return MP_OBJ_NEW_SMALL_INT(mp_hal_get_cpu_freq());
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}
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MP_DEFINE_CONST_FUN_OBJ_0(machine_freq_obj, machine_freq);
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STATIC mp_obj_t machine_idle(void) {
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MICROPY_EVENT_POLL_HOOK;
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_idle_obj, machine_idle);
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STATIC mp_obj_t machine_disable_irq(void) {
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uint32_t state = MICROPY_BEGIN_ATOMIC_SECTION();
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return mp_obj_new_int(state);
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}
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MP_DEFINE_CONST_FUN_OBJ_0(machine_disable_irq_obj, machine_disable_irq);
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STATIC mp_obj_t machine_enable_irq(mp_obj_t state_in) {
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uint32_t state = mp_obj_get_int(state_in);
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MICROPY_END_ATOMIC_SECTION(state);
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(machine_enable_irq_obj, machine_enable_irq);
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NORETURN mp_obj_t machine_bootloader(size_t n_args, const mp_obj_t *args) {
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#if defined(MICROPY_BOARD_ENTER_BOOTLOADER)
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// If a board has a custom bootloader, call it first.
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MICROPY_BOARD_ENTER_BOOTLOADER(n_args, args);
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#elif FSL_ROM_HAS_RUNBOOTLOADER_API
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// If not, enter ROM bootloader in serial downloader / USB mode.
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uint32_t arg = 0xEB110000;
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ROM_RunBootloader(&arg);
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#else
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// No custom bootloader, or run bootloader API, then just reset.
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WDOG_TriggerSystemSoftwareReset(WDOG1);
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#endif
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while (1) {
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;
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_bootloader_obj, 0, 1, machine_bootloader);
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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_unique_id), MP_ROM_PTR(&machine_unique_id_obj) },
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{ MP_ROM_QSTR(MP_QSTR_soft_reset), MP_ROM_PTR(&machine_soft_reset_obj) },
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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_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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#if defined(MICROPY_HW_LED1_PIN)
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{ MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&machine_led_type) },
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#endif
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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_ADC), MP_ROM_PTR(&machine_adc_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_RTC), MP_ROM_PTR(&machine_rtc_type) },
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#if MICROPY_PY_MACHINE_SDCARD
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{ MP_ROM_QSTR(MP_QSTR_SDCard), MP_ROM_PTR(&machine_sdcard_type) },
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#endif
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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_Signal), MP_ROM_PTR(&machine_signal_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_SoftSPI), MP_ROM_PTR(&mp_machine_soft_spi_type) },
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&machine_i2c_type) },
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#if MICROPY_PY_MACHINE_I2S
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{ MP_ROM_QSTR(MP_QSTR_I2S), MP_ROM_PTR(&machine_i2s_type) },
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#endif
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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_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_idle), MP_ROM_PTR(&machine_idle_obj) },
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{ MP_ROM_QSTR(MP_QSTR_disable_irq), MP_ROM_PTR(&machine_disable_irq_obj) },
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{ MP_ROM_QSTR(MP_QSTR_enable_irq), MP_ROM_PTR(&machine_enable_irq_obj) },
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{ MP_ROM_QSTR(MP_QSTR_bootloader), MP_ROM_PTR(&machine_bootloader_obj) },
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#if MICROPY_PY_MACHINE_BITSTREAM
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{ MP_ROM_QSTR(MP_QSTR_bitstream), MP_ROM_PTR(&machine_bitstream_obj) },
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#endif
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{ MP_ROM_QSTR(MP_QSTR_time_pulse_us), MP_ROM_PTR(&machine_time_pulse_us_obj) },
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{ MP_ROM_QSTR(MP_QSTR_dht_readinto), MP_ROM_PTR(&dht_readinto_obj) },
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// Reset reasons
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{ MP_ROM_QSTR(MP_QSTR_PWRON_RESET), MP_ROM_INT(MP_PWRON_RESET) },
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{ MP_ROM_QSTR(MP_QSTR_WDT_RESET), MP_ROM_INT(MP_WDT_RESET) },
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{ MP_ROM_QSTR(MP_QSTR_SOFT_RESET), MP_ROM_INT(MP_SOFT_RESET) },
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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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MP_REGISTER_MODULE(MP_QSTR_umachine, mp_module_machine);
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#endif // MICROPY_PY_MACHINE
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