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modmachine.c
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modmachine.c
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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2023 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"
#if MICROPY_PY_MACHINE
#include "extmod/modmachine.h"
#include "shared/runtime/pyexec.h"
#if MICROPY_PY_MACHINE_DHT_READINTO
#include "drivers/dht/dht.h"
#endif
// The port must provide implementations of these low-level machine functions.
static void mp_machine_idle(void);
#if MICROPY_PY_MACHINE_BOOTLOADER
NORETURN void mp_machine_bootloader(size_t n_args, const mp_obj_t *args);
#endif
#if MICROPY_PY_MACHINE_RESET
NORETURN static void mp_machine_reset(void);
static mp_int_t mp_machine_reset_cause(void);
#endif
#if MICROPY_PY_MACHINE_BARE_METAL_FUNCS
static mp_obj_t mp_machine_unique_id(void);
static mp_obj_t mp_machine_get_freq(void);
static void mp_machine_set_freq(size_t n_args, const mp_obj_t *args);
static void mp_machine_lightsleep(size_t n_args, const mp_obj_t *args);
NORETURN static void mp_machine_deepsleep(size_t n_args, const mp_obj_t *args);
#endif
// The port can provide additional machine-module implementation in this file.
#ifdef MICROPY_PY_MACHINE_INCLUDEFILE
#include MICROPY_PY_MACHINE_INCLUDEFILE
#endif
static mp_obj_t machine_soft_reset(void) {
pyexec_system_exit = PYEXEC_FORCED_EXIT;
mp_raise_type(&mp_type_SystemExit);
}
static MP_DEFINE_CONST_FUN_OBJ_0(machine_soft_reset_obj, machine_soft_reset);
#if MICROPY_PY_MACHINE_BOOTLOADER
NORETURN mp_obj_t machine_bootloader(size_t n_args, const mp_obj_t *args) {
mp_machine_bootloader(n_args, args);
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_bootloader_obj, 0, 1, machine_bootloader);
#endif
static mp_obj_t machine_idle(void) {
mp_machine_idle();
return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_0(machine_idle_obj, machine_idle);
#if MICROPY_PY_MACHINE_RESET
NORETURN static mp_obj_t machine_reset(void) {
mp_machine_reset();
}
MP_DEFINE_CONST_FUN_OBJ_0(machine_reset_obj, machine_reset);
static mp_obj_t machine_reset_cause(void) {
return MP_OBJ_NEW_SMALL_INT(mp_machine_reset_cause());
}
MP_DEFINE_CONST_FUN_OBJ_0(machine_reset_cause_obj, machine_reset_cause);
#endif
#if MICROPY_PY_MACHINE_BARE_METAL_FUNCS
static mp_obj_t machine_unique_id(void) {
return mp_machine_unique_id();
}
MP_DEFINE_CONST_FUN_OBJ_0(machine_unique_id_obj, machine_unique_id);
static mp_obj_t machine_freq(size_t n_args, const mp_obj_t *args) {
if (n_args == 0) {
return mp_machine_get_freq();
} else {
mp_machine_set_freq(n_args, args);
return mp_const_none;
}
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_freq_obj, 0, 1, machine_freq);
static mp_obj_t machine_lightsleep(size_t n_args, const mp_obj_t *args) {
mp_machine_lightsleep(n_args, args);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_lightsleep_obj, 0, 1, machine_lightsleep);
NORETURN static mp_obj_t machine_deepsleep(size_t n_args, const mp_obj_t *args) {
mp_machine_deepsleep(n_args, args);
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_deepsleep_obj, 0, 1, machine_deepsleep);
#endif
#if MICROPY_PY_MACHINE_DISABLE_IRQ_ENABLE_IRQ
static mp_obj_t machine_disable_irq(void) {
uint32_t state = MICROPY_BEGIN_ATOMIC_SECTION();
return mp_obj_new_int(state);
}
static MP_DEFINE_CONST_FUN_OBJ_0(machine_disable_irq_obj, machine_disable_irq);
static mp_obj_t machine_enable_irq(mp_obj_t state_in) {
uint32_t state = mp_obj_get_int(state_in);
MICROPY_END_ATOMIC_SECTION(state);
return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_1(machine_enable_irq_obj, machine_enable_irq);
#endif
static const mp_rom_map_elem_t machine_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_machine) },
// Memory access objects.
#if MICROPY_PY_MACHINE_MEMX
{ 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) },
#endif
// Miscellaneous functions.
#if MICROPY_PY_MACHINE_BARE_METAL_FUNCS
{ MP_ROM_QSTR(MP_QSTR_unique_id), MP_ROM_PTR(&machine_unique_id_obj) },
#endif
// Reset related functions.
{ MP_ROM_QSTR(MP_QSTR_soft_reset), MP_ROM_PTR(&machine_soft_reset_obj) },
#if MICROPY_PY_MACHINE_BOOTLOADER
{ MP_ROM_QSTR(MP_QSTR_bootloader), MP_ROM_PTR(&machine_bootloader_obj) },
#endif
#if MICROPY_PY_MACHINE_RESET
{ 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) },
#endif
// Power related functions.
{ MP_ROM_QSTR(MP_QSTR_idle), MP_ROM_PTR(&machine_idle_obj) },
#if MICROPY_PY_MACHINE_BARE_METAL_FUNCS
{ MP_ROM_QSTR(MP_QSTR_freq), MP_ROM_PTR(&machine_freq_obj) },
{ MP_ROM_QSTR(MP_QSTR_lightsleep), MP_ROM_PTR(&machine_lightsleep_obj) },
{ MP_ROM_QSTR(MP_QSTR_deepsleep), MP_ROM_PTR(&machine_deepsleep_obj) },
#endif
// Interrupt related functions.
#if MICROPY_PY_MACHINE_DISABLE_IRQ_ENABLE_IRQ
{ MP_ROM_QSTR(MP_QSTR_disable_irq), MP_ROM_PTR(&machine_disable_irq_obj) },
{ MP_ROM_QSTR(MP_QSTR_enable_irq), MP_ROM_PTR(&machine_enable_irq_obj) },
#endif
// Functions for bit protocols.
#if MICROPY_PY_MACHINE_BITSTREAM
{ MP_ROM_QSTR(MP_QSTR_bitstream), MP_ROM_PTR(&machine_bitstream_obj) },
#endif
#if MICROPY_PY_MACHINE_DHT_READINTO
{ MP_ROM_QSTR(MP_QSTR_dht_readinto), MP_ROM_PTR(&dht_readinto_obj) },
#endif
#if MICROPY_PY_MACHINE_PULSE
{ MP_ROM_QSTR(MP_QSTR_time_pulse_us), MP_ROM_PTR(&machine_time_pulse_us_obj) },
#endif
// Classes for PinBase and Signal.
#if MICROPY_PY_MACHINE_PIN_BASE
{ MP_ROM_QSTR(MP_QSTR_PinBase), MP_ROM_PTR(&machine_pinbase_type) },
#endif
#if MICROPY_PY_MACHINE_SIGNAL
{ MP_ROM_QSTR(MP_QSTR_Signal), MP_ROM_PTR(&machine_signal_type) },
#endif
// Classes for software bus protocols.
#if MICROPY_PY_MACHINE_SOFTI2C
{ MP_ROM_QSTR(MP_QSTR_SoftI2C), MP_ROM_PTR(&mp_machine_soft_i2c_type) },
#endif
#if MICROPY_PY_MACHINE_SOFTSPI
{ MP_ROM_QSTR(MP_QSTR_SoftSPI), MP_ROM_PTR(&mp_machine_soft_spi_type) },
#endif
// Classes for hardware peripherals.
#if MICROPY_PY_MACHINE_ADC
{ MP_ROM_QSTR(MP_QSTR_ADC), MP_ROM_PTR(&machine_adc_type) },
#endif
#if MICROPY_PY_MACHINE_ADC_BLOCK
{ MP_ROM_QSTR(MP_QSTR_ADCBlock), MP_ROM_PTR(&machine_adc_block_type) },
#endif
#if MICROPY_PY_MACHINE_DAC
{ MP_ROM_QSTR(MP_QSTR_DAC), MP_ROM_PTR(&machine_dac_type) },
#endif
#if MICROPY_PY_MACHINE_I2C
{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&machine_i2c_type) },
#endif
#if MICROPY_PY_MACHINE_I2S
{ MP_ROM_QSTR(MP_QSTR_I2S), MP_ROM_PTR(&machine_i2s_type) },
#endif
#if MICROPY_PY_MACHINE_PWM
{ MP_ROM_QSTR(MP_QSTR_PWM), MP_ROM_PTR(&machine_pwm_type) },
#endif
#if MICROPY_PY_MACHINE_SPI
{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&machine_spi_type) },
#endif
#if MICROPY_PY_MACHINE_UART
{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&machine_uart_type) },
#endif
#if MICROPY_HW_ENABLE_USB_RUNTIME_DEVICE
{ MP_ROM_QSTR(MP_QSTR_USBDevice), MP_ROM_PTR(&machine_usb_device_type) },
#endif
#if MICROPY_PY_MACHINE_WDT
{ MP_ROM_QSTR(MP_QSTR_WDT), MP_ROM_PTR(&machine_wdt_type) },
#endif
// A port can add extra entries to the module by defining the following macro.
#ifdef MICROPY_PY_MACHINE_EXTRA_GLOBALS
MICROPY_PY_MACHINE_EXTRA_GLOBALS
#endif
};
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,
};
MP_REGISTER_EXTENSIBLE_MODULE(MP_QSTR_machine, mp_module_machine);
#endif // MICROPY_PY_MACHINE