circuitpython/ports/espressif/bindings/espulp/ULP.c

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/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2022 microDev
*
* 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 "shared-bindings/microcontroller/Pin.h"
#include "shared-bindings/util.h"
#include "bindings/espulp/ULP.h"
#include "py/runtime.h"
//| class ULP:
//| def __init__(self):
//| """The ultra-low-power processor.
//|
//| Raises an exception if another ULP has been instantiated. This
//| ensures that is is only used by one piece of code at a time."""
//| ...
STATIC mp_obj_t espulp_ulp_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
espulp_ulp_obj_t *self = m_new_obj(espulp_ulp_obj_t);
self->base.type = &espulp_ulp_type;
common_hal_espulp_ulp_construct(self);
return MP_OBJ_FROM_PTR(self);
}
STATIC espulp_ulp_obj_t *get_ulp_obj(mp_obj_t self_in) {
if (!mp_obj_is_type(self_in, &espulp_ulp_type)) {
mp_raise_TypeError_varg(translate("Expected a %q"), MP_QSTR_ULP);
}
espulp_ulp_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (common_hal_espulp_ulp_deinited(self)) {
raise_deinited_error();
}
return self;
}
//| def deinit(self) -> None:
//| """Deinitialises the camera and releases all memory resources for reuse."""
//| ...
STATIC mp_obj_t espulp_ulp_deinit(mp_obj_t self_in) {
espulp_ulp_obj_t *self = get_ulp_obj(self_in);
common_hal_espulp_ulp_deinit(self);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(espulp_ulp_deinit_obj, espulp_ulp_deinit);
//| def __enter__(self) -> ULP:
//| """No-op used by Context Managers."""
//| ...
// Provided by context manager helper.
//| def __exit__(self) -> None:
//| """Automatically deinitializes the hardware when exiting a context. See
//| :ref:`lifetime-and-contextmanagers` for more info."""
//| ...
STATIC mp_obj_t espulp_ulp_obj___exit__(size_t n_args, const mp_obj_t *args) {
(void)n_args;
return espulp_ulp_deinit(args[0]);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(espulp_ulp___exit___obj, 4, 4, espulp_ulp_obj___exit__);
//| def run(
//| self, program: ReadableBuffer, *, pins: Sequence[microcontroller.Pin] = ()
//| ) -> None:
//| """Loads the program into ULP memory and then runs the program. The given pins are
//| claimed and not reset until `halt()` is called.
//|
//| The program will continue to run even when the running Python is halted."""
//| ...
STATIC mp_obj_t espulp_ulp_run(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_program, ARG_pins };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_program, MP_ARG_REQUIRED | MP_ARG_OBJ},
{ MP_QSTR_pins, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_empty_tuple} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
espulp_ulp_obj_t *self = get_ulp_obj(pos_args[0]);
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(args[ARG_program].u_obj, &bufinfo, MP_BUFFER_READ);
mp_obj_t pins_in = args[ARG_pins].u_obj;
const size_t num_pins = (size_t)MP_OBJ_SMALL_INT_VALUE(mp_obj_len(pins_in));
uint32_t pin_mask = 0;
for (mp_uint_t i = 0; i < num_pins; i++) {
mp_obj_t pin_obj = mp_obj_subscr(pins_in, MP_OBJ_NEW_SMALL_INT(i), MP_OBJ_SENTINEL);
validate_obj_is_free_pin(pin_obj);
pin_mask |= 1 << ((const mcu_pin_obj_t *)pin_obj)->number;
}
common_hal_espulp_ulp_run(self, bufinfo.buf, bufinfo.len, pin_mask);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(espulp_ulp_run_obj, 2, espulp_ulp_run);
//| def halt(self) -> None:
//| """Halts the running program and releases the pins given in `run()`."""
//| ...
//|
STATIC mp_obj_t espulp_ulp_halt(mp_obj_t self_in) {
common_hal_espulp_ulp_halt(get_ulp_obj(self_in));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(espulp_ulp_halt_obj, espulp_ulp_halt);
STATIC const mp_rom_map_elem_t espulp_ulp_locals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&espulp_ulp_deinit_obj) },
{ MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&mp_identity_obj) },
{ MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&espulp_ulp___exit___obj) },
{ MP_ROM_QSTR(MP_QSTR_run), MP_ROM_PTR(&espulp_ulp_run_obj) },
{ MP_ROM_QSTR(MP_QSTR_halt), MP_ROM_PTR(&espulp_ulp_halt_obj) },
};
STATIC MP_DEFINE_CONST_DICT(espulp_ulp_locals_dict, espulp_ulp_locals_table);
const mp_obj_type_t espulp_ulp_type = {
{ &mp_type_type },
.name = MP_QSTR_ULP,
.make_new = espulp_ulp_make_new,
.locals_dict = (mp_obj_t)&espulp_ulp_locals_dict,
};