111 lines
3.9 KiB
C
111 lines
3.9 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2017 Nick Moore
|
|
*
|
|
* 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 "esp_log.h"
|
|
|
|
#include "driver/gpio.h"
|
|
#include "driver/touch_pad.h"
|
|
|
|
#include "py/runtime.h"
|
|
#include "py/mphal.h"
|
|
#include "modmachine.h"
|
|
|
|
typedef struct _mtp_obj_t {
|
|
mp_obj_base_t base;
|
|
gpio_num_t gpio_id;
|
|
touch_pad_t touchpad_id;
|
|
} mtp_obj_t;
|
|
|
|
STATIC const mtp_obj_t touchpad_obj[] = {
|
|
{{&machine_touchpad_type}, GPIO_NUM_4, TOUCH_PAD_NUM0},
|
|
{{&machine_touchpad_type}, GPIO_NUM_0, TOUCH_PAD_NUM1},
|
|
{{&machine_touchpad_type}, GPIO_NUM_2, TOUCH_PAD_NUM2},
|
|
{{&machine_touchpad_type}, GPIO_NUM_15, TOUCH_PAD_NUM3},
|
|
{{&machine_touchpad_type}, GPIO_NUM_13, TOUCH_PAD_NUM4},
|
|
{{&machine_touchpad_type}, GPIO_NUM_12, TOUCH_PAD_NUM5},
|
|
{{&machine_touchpad_type}, GPIO_NUM_14, TOUCH_PAD_NUM6},
|
|
{{&machine_touchpad_type}, GPIO_NUM_27, TOUCH_PAD_NUM7},
|
|
{{&machine_touchpad_type}, GPIO_NUM_32, TOUCH_PAD_NUM8},
|
|
{{&machine_touchpad_type}, GPIO_NUM_33, TOUCH_PAD_NUM9},
|
|
};
|
|
|
|
STATIC mp_obj_t mtp_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, 1, true);
|
|
gpio_num_t pin_id = machine_pin_get_id(args[0]);
|
|
const mtp_obj_t *self = NULL;
|
|
for (int i = 0; i < MP_ARRAY_SIZE(touchpad_obj); i++) {
|
|
if (pin_id == touchpad_obj[i].gpio_id) { self = &touchpad_obj[i]; break; }
|
|
}
|
|
if (!self) mp_raise_ValueError("invalid pin for touchpad");
|
|
|
|
static int initialized = 0;
|
|
if (!initialized) {
|
|
touch_pad_init();
|
|
initialized = 1;
|
|
}
|
|
esp_err_t err = touch_pad_config(self->touchpad_id, 0);
|
|
if (err == ESP_OK) return MP_OBJ_FROM_PTR(self);
|
|
mp_raise_ValueError("Touch pad error");
|
|
}
|
|
|
|
STATIC mp_obj_t mtp_config(mp_obj_t self_in, mp_obj_t value_in) {
|
|
mtp_obj_t *self = self_in;
|
|
uint16_t value = mp_obj_get_int(value_in);
|
|
esp_err_t err = touch_pad_config(self->touchpad_id, value);
|
|
if (err == ESP_OK) return mp_const_none;
|
|
mp_raise_ValueError("Touch pad error");
|
|
}
|
|
MP_DEFINE_CONST_FUN_OBJ_2(mtp_config_obj, mtp_config);
|
|
|
|
STATIC mp_obj_t mtp_read(mp_obj_t self_in) {
|
|
mtp_obj_t *self = self_in;
|
|
uint16_t value;
|
|
esp_err_t err = touch_pad_read(self->touchpad_id, &value);
|
|
if (err == ESP_OK) return MP_OBJ_NEW_SMALL_INT(value);
|
|
mp_raise_ValueError("Touch pad error");
|
|
}
|
|
MP_DEFINE_CONST_FUN_OBJ_1(mtp_read_obj, mtp_read);
|
|
|
|
STATIC const mp_rom_map_elem_t mtp_locals_dict_table[] = {
|
|
// instance methods
|
|
{ MP_ROM_QSTR(MP_QSTR_config), MP_ROM_PTR(&mtp_config_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_read), MP_ROM_PTR(&mtp_read_obj) },
|
|
};
|
|
|
|
STATIC MP_DEFINE_CONST_DICT(mtp_locals_dict, mtp_locals_dict_table);
|
|
|
|
const mp_obj_type_t machine_touchpad_type = {
|
|
{ &mp_type_type },
|
|
.name = MP_QSTR_TouchPad,
|
|
.make_new = mtp_make_new,
|
|
.locals_dict = (mp_obj_t)&mtp_locals_dict,
|
|
};
|