mirror of
https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
synced 2025-12-16 03:18:54 +00:00
299 lines
12 KiB
C
Executable File
299 lines
12 KiB
C
Executable File
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2017 Armink (armink.ztl@gmail.com)
|
|
*
|
|
* 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 <stdio.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <rtthread.h>
|
|
#include <drivers/pin.h>
|
|
#include "py/runtime.h"
|
|
#include "py/gc.h"
|
|
#include "py/mphal.h"
|
|
#include "py/mperrno.h"
|
|
#include "py/stream.h"
|
|
#include "modmachine.h"
|
|
|
|
#if MICROPY_PY_PIN
|
|
|
|
#define GPIO_MODE_IN ((uint32_t)0x00000000) /*!< Input Floating Mode */
|
|
#define GPIO_MODE_OUT_PP ((uint32_t)0x00000001) /*!< Output Push Pull Mode */
|
|
#define GPIO_MODE_OUT_OD ((uint32_t)0x00000011) /*!< Output Open Drain Mode */
|
|
#define GPIO_MODE_AF_PP ((uint32_t)0x00000002) /*!< Alternate Function Push Pull Mode */
|
|
#define GPIO_MODE_AF_OD ((uint32_t)0x00000012) /*!< Alternate Function Open Drain Mode */
|
|
#define GPIO_MODE_ANALOG ((uint32_t)0x00000003) /*!< Analog Mode */
|
|
#define GPIO_NOPULL ((uint32_t)0x00000000) /*!< No Pull-up or Pull-down activation */
|
|
#define GPIO_PULLUP ((uint32_t)0x00000001) /*!< Pull-up activation */
|
|
#define GPIO_PULLDOWN ((uint32_t)0x00000002) /*!< Pull-down activation */
|
|
#define GPIO_MODE_IT_RISING ((uint32_t)0x10110000) /*!< External Interrupt Mode with Rising edge trigger detection */
|
|
#define GPIO_MODE_IT_FALLING ((uint32_t)0x10210000) /*!< External Interrupt Mode with Falling edge trigger detection */
|
|
#define GPIO_MODE_IT_RISING_FALLING ((uint32_t)0x10310000) /*!< External Interrupt Mode with Rising/Falling edge trigger detection */
|
|
|
|
const mp_obj_base_t machine_pin_obj_template = {&machine_pin_type};
|
|
|
|
void mp_pin_od_write(void *machine_pin, int stat) {
|
|
if (stat == PIN_LOW) {
|
|
rt_pin_mode(((machine_pin_obj_t *)machine_pin)->pin, PIN_MODE_OUTPUT);
|
|
rt_pin_write(((machine_pin_obj_t *)machine_pin)->pin, stat);
|
|
} else {
|
|
rt_pin_mode(((machine_pin_obj_t *)machine_pin)->pin, PIN_MODE_INPUT_PULLUP);
|
|
}
|
|
}
|
|
|
|
void mp_hal_pin_open_set(void *machine_pin, int mode) {
|
|
rt_pin_mode(((machine_pin_obj_t *)machine_pin)->pin, mode);
|
|
}
|
|
|
|
char* mp_hal_pin_get_name(void *machine_pin) {
|
|
return ((machine_pin_obj_t *)machine_pin)->name;
|
|
}
|
|
|
|
STATIC mp_obj_t machine_pin_obj_init_helper(machine_pin_obj_t *self, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args);
|
|
|
|
STATIC void machine_pin_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
|
|
machine_pin_obj_t *self = self_in;
|
|
mp_printf(print, "<Pin %d>", self->pin);
|
|
}
|
|
|
|
// constructor(drv_name, pin, ...)
|
|
mp_obj_t mp_pin_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
|
|
mp_arg_check_num(n_args, n_kw, 1, MP_OBJ_FUN_ARGS_MAX, true);
|
|
|
|
// get the wanted port
|
|
if (!MP_OBJ_IS_TYPE(args[0], &mp_type_tuple)) {
|
|
mp_raise_ValueError("Pin id must be tuple of (\"GPIO_x\", pin#)");
|
|
}
|
|
mp_obj_t *items;
|
|
mp_obj_get_array_fixed_n(args[0], 2, &items);
|
|
const char *pin_name = mp_obj_str_get_str(items[0]);
|
|
int wanted_pin = mp_obj_get_int(items[1]);
|
|
|
|
machine_pin_obj_t *pin = m_new_obj(machine_pin_obj_t);
|
|
if (!pin) {
|
|
mp_raise_OSError(MP_ENOMEM);
|
|
}
|
|
|
|
strncpy(pin->name, pin_name, sizeof(pin->name));
|
|
pin->base = machine_pin_obj_template;
|
|
pin->pin = wanted_pin;
|
|
|
|
if (n_args > 1 || n_kw > 0) {
|
|
// pin mode given, so configure this GPIO
|
|
mp_map_t kw_args;
|
|
mp_map_init_fixed_table(&kw_args, n_kw, args + n_args);
|
|
machine_pin_obj_init_helper(pin, n_args - 1, args + 1, &kw_args);
|
|
}
|
|
|
|
return (mp_obj_t)pin;
|
|
}
|
|
|
|
// pin.init(mode, pull=None, *, value)
|
|
STATIC mp_obj_t machine_pin_obj_init_helper(machine_pin_obj_t *self, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
|
|
enum { ARG_mode, ARG_pull, ARG_value };
|
|
static const mp_arg_t allowed_args[] = {
|
|
{ MP_QSTR_mode, MP_ARG_REQUIRED | MP_ARG_INT },
|
|
{ MP_QSTR_pull, MP_ARG_OBJ, {.u_obj = mp_const_none}},
|
|
{ MP_QSTR_value, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL}},
|
|
};
|
|
|
|
// parse args
|
|
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
|
|
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
|
|
|
|
// get io mode
|
|
uint mode = args[ARG_mode].u_int;
|
|
|
|
// get pull mode
|
|
uint pull = GPIO_NOPULL;
|
|
|
|
if (args[ARG_pull].u_obj != mp_const_none) {
|
|
pull = mp_obj_get_int(args[ARG_pull].u_obj);
|
|
}
|
|
|
|
switch(mode) {
|
|
case GPIO_MODE_IN: {
|
|
if (pull == GPIO_PULLUP) {
|
|
mode = PIN_MODE_INPUT_PULLUP;
|
|
} else if (pull == GPIO_PULLDOWN) {
|
|
mode = PIN_MODE_INPUT_PULLDOWN;
|
|
} else {
|
|
mode = PIN_MODE_INPUT;
|
|
}
|
|
break;
|
|
}
|
|
case GPIO_MODE_OUT_PP : {
|
|
mode = PIN_MODE_OUTPUT;
|
|
break;
|
|
}
|
|
case GPIO_MODE_OUT_OD : {
|
|
mode = PIN_MODE_OUTPUT_OD;
|
|
break;
|
|
}
|
|
case GPIO_MODE_AF_PP :
|
|
case GPIO_MODE_AF_OD :
|
|
case GPIO_MODE_ANALOG :
|
|
//TODO
|
|
mp_raise_NotImplementedError("not implemented pin mode");
|
|
}
|
|
|
|
rt_pin_mode(self->pin, mode);
|
|
|
|
// get initial value
|
|
if (args[ARG_value].u_obj != MP_OBJ_NULL) {
|
|
rt_pin_write(self->pin, mp_obj_is_true(args[ARG_value].u_obj));
|
|
}
|
|
|
|
return mp_const_none;
|
|
}
|
|
|
|
// fast method for getting/setting pin value
|
|
STATIC mp_obj_t machine_pin_call(mp_obj_t self_in, size_t n_args, size_t n_kw, const mp_obj_t *args) {
|
|
mp_arg_check_num(n_args, n_kw, 0, 1, false);
|
|
machine_pin_obj_t *self = self_in;
|
|
if (n_args == 0) {
|
|
return mp_obj_new_bool(rt_pin_read(self->pin));
|
|
} else {
|
|
rt_pin_write(self->pin, mp_obj_is_true(args[0]));
|
|
return mp_const_none;
|
|
}
|
|
}
|
|
|
|
// pin.init(mode, pull)
|
|
STATIC mp_obj_t machine_pin_obj_init(size_t n_args, const mp_obj_t *args, mp_map_t *kw_args) {
|
|
return machine_pin_obj_init_helper(args[0], n_args - 1, args + 1, kw_args);
|
|
}
|
|
MP_DEFINE_CONST_FUN_OBJ_KW(machine_pin_init_obj, 1, machine_pin_obj_init);
|
|
|
|
// pin.value([value])
|
|
STATIC mp_obj_t machine_pin_value(size_t n_args, const mp_obj_t *args) {
|
|
return machine_pin_call(args[0], n_args - 1, 0, args + 1);
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_pin_value_obj, 1, 2, machine_pin_value);
|
|
|
|
// pin.name()
|
|
STATIC mp_obj_t machine_pin_name(size_t n_args, const mp_obj_t *args) {
|
|
machine_pin_obj_t *self = (machine_pin_obj_t *)args[0];
|
|
return mp_obj_new_str(self->name, strlen(self->name));
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_pin_name_obj, 1, 2, machine_pin_name);
|
|
|
|
// pin.pin()
|
|
STATIC mp_obj_t machine_pin_pin(size_t n_args, const mp_obj_t *args) {
|
|
return MP_OBJ_NEW_SMALL_INT(((machine_pin_obj_t *)args[0])->pin);
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_pin_pin_obj, 1, 2, machine_pin_pin);
|
|
|
|
STATIC mp_uint_t machine_pin_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_t arg, int *errcode) {
|
|
(void)errcode;
|
|
machine_pin_obj_t *self = self_in;
|
|
|
|
switch (request) {
|
|
case MP_PIN_READ: {
|
|
uint32_t pin_val = rt_pin_read(self->pin);
|
|
return pin_val;
|
|
}
|
|
case MP_PIN_WRITE: {
|
|
rt_pin_write(self->pin, arg);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
*errcode = MP_EINVAL;
|
|
return MP_STREAM_ERROR;
|
|
}
|
|
|
|
STATIC void machine_pin_isr_handler(void *arg) {
|
|
machine_pin_obj_t *self = arg;
|
|
mp_sched_schedule(self->pin_isr_cb, MP_OBJ_FROM_PTR(self));
|
|
}
|
|
|
|
// pin.irq(handler=None, trigger=IRQ_FALLING|IRQ_RISING)
|
|
STATIC mp_obj_t machine_pin_irq(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
|
|
enum { ARG_handler, ARG_trigger, ARG_wake };
|
|
static const mp_arg_t allowed_args[] = {
|
|
{ MP_QSTR_handler, MP_ARG_OBJ, {.u_obj = mp_const_none} },
|
|
{ MP_QSTR_trigger, MP_ARG_INT, {.u_int = PIN_IRQ_MODE_RISING} },
|
|
};
|
|
machine_pin_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
|
|
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
|
|
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
|
|
|
|
if (n_args > 1 || kw_args->used != 0) {
|
|
// configure irq
|
|
self->pin_isr_cb = args[ARG_handler].u_obj;
|
|
uint32_t trigger = args[ARG_trigger].u_int;
|
|
|
|
rt_pin_mode(self->pin, PIN_MODE_INPUT_PULLUP);
|
|
rt_pin_attach_irq(self->pin, trigger, machine_pin_isr_handler, (void*)self);
|
|
rt_pin_irq_enable(self->pin, PIN_IRQ_ENABLE);
|
|
}
|
|
|
|
return mp_const_none;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_pin_irq_obj, 1, machine_pin_irq);
|
|
|
|
STATIC const mp_rom_map_elem_t machine_pin_locals_dict_table[] = {
|
|
// instance methods
|
|
{ MP_ROM_QSTR(MP_QSTR_init), MP_ROM_PTR(&machine_pin_init_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_value), MP_ROM_PTR(&machine_pin_value_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_name), MP_ROM_PTR(&machine_pin_name_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_pin), MP_ROM_PTR(&machine_pin_pin_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_irq), MP_ROM_PTR(&machine_pin_irq_obj) },
|
|
|
|
// class constants
|
|
{ MP_ROM_QSTR(MP_QSTR_ALT_OD), MP_ROM_INT(GPIO_MODE_AF_OD) },
|
|
{ MP_ROM_QSTR(MP_QSTR_ALT_PP), MP_ROM_INT(GPIO_MODE_AF_PP) },
|
|
{ MP_ROM_QSTR(MP_QSTR_ANALOG), MP_ROM_INT(GPIO_MODE_ANALOG) },
|
|
{ MP_ROM_QSTR(MP_QSTR_IN), MP_ROM_INT(GPIO_MODE_IN) },
|
|
{ MP_ROM_QSTR(MP_QSTR_OUT_PP), MP_ROM_INT(GPIO_MODE_OUT_PP) },
|
|
{ MP_ROM_QSTR(MP_QSTR_OUT_OD), MP_ROM_INT(GPIO_MODE_OUT_OD) },
|
|
{ MP_ROM_QSTR(MP_QSTR_PULL_DOWN), MP_ROM_INT(GPIO_PULLDOWN) },
|
|
{ MP_ROM_QSTR(MP_QSTR_PULL_NONE), MP_ROM_INT(GPIO_NOPULL) },
|
|
{ MP_ROM_QSTR(MP_QSTR_PULL_UP), MP_ROM_INT(GPIO_PULLUP) },
|
|
{ MP_ROM_QSTR(MP_QSTR_IRQ_RISING), MP_ROM_INT(PIN_IRQ_MODE_RISING) },
|
|
{ MP_ROM_QSTR(MP_QSTR_IRQ_FALLING), MP_ROM_INT(PIN_IRQ_MODE_FALLING) },
|
|
{ MP_ROM_QSTR(MP_QSTR_IRQ_RISING_FALLING), MP_ROM_INT(PIN_IRQ_MODE_RISING_FALLING) },
|
|
{ MP_ROM_QSTR(MP_QSTR_IRQ_LOW_LEVEL), MP_ROM_INT(PIN_IRQ_MODE_LOW_LEVEL) },
|
|
{ MP_ROM_QSTR(MP_QSTR_IRQ_HIGH_LEVEL), MP_ROM_INT(PIN_IRQ_MODE_HIGH_LEVEL) },
|
|
};
|
|
|
|
STATIC MP_DEFINE_CONST_DICT(machine_pin_locals_dict, machine_pin_locals_dict_table);
|
|
|
|
STATIC const mp_pin_p_t machine_pin_pin_p = {
|
|
.ioctl = machine_pin_ioctl,
|
|
};
|
|
|
|
const mp_obj_type_t machine_pin_type = {
|
|
{ &mp_type_type },
|
|
.name = MP_QSTR_Pin,
|
|
.print = machine_pin_print,
|
|
.make_new = mp_pin_make_new,
|
|
.call = machine_pin_call,
|
|
.protocol = &machine_pin_pin_p,
|
|
.locals_dict = (mp_obj_t)&machine_pin_locals_dict,
|
|
};
|
|
|
|
#endif
|