1 /* 2 * Copyright (C) 2015-2021 Alibaba Group Holding Limited 3 */ 4 5 #include "modmachine.h" 6 #include "py/mphal.h" 7 #include "py/runtime.h" 8 9 #if 0 10 11 #include "driver/gpio.h" 12 #include "driver/touch_pad.h" 13 14 typedef struct _mtp_obj_t { 15 mp_obj_base_t base; 16 gpio_num_t gpio_id; 17 touch_pad_t touchpad_id; 18 } mtp_obj_t; 19 20 STATIC const mtp_obj_t touchpad_obj[] = { 21 {{&machine_touchpad_type}, GPIO_NUM_4, TOUCH_PAD_NUM0}, 22 {{&machine_touchpad_type}, GPIO_NUM_0, TOUCH_PAD_NUM1}, 23 {{&machine_touchpad_type}, GPIO_NUM_2, TOUCH_PAD_NUM2}, 24 {{&machine_touchpad_type}, GPIO_NUM_15, TOUCH_PAD_NUM3}, 25 {{&machine_touchpad_type}, GPIO_NUM_13, TOUCH_PAD_NUM4}, 26 {{&machine_touchpad_type}, GPIO_NUM_12, TOUCH_PAD_NUM5}, 27 {{&machine_touchpad_type}, GPIO_NUM_14, TOUCH_PAD_NUM6}, 28 {{&machine_touchpad_type}, GPIO_NUM_27, TOUCH_PAD_NUM7}, 29 {{&machine_touchpad_type}, GPIO_NUM_33, TOUCH_PAD_NUM8}, 30 {{&machine_touchpad_type}, GPIO_NUM_32, TOUCH_PAD_NUM9}, 31 }; 32 33 STATIC mp_obj_t mtp_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, 34 const mp_obj_t *args) { 35 36 mp_arg_check_num(n_args, n_kw, 1, 1, true); 37 gpio_num_t pin_id = machine_pin_get_id(args[0]); 38 const mtp_obj_t *self = NULL; 39 for (int i = 0; i < MP_ARRAY_SIZE(touchpad_obj); i++) { 40 if (pin_id == touchpad_obj[i].gpio_id) { 41 self = &touchpad_obj[i]; 42 break; 43 } 44 } 45 if (!self) { 46 mp_raise_ValueError(MP_ERROR_TEXT("invalid pin for touchpad")); 47 } 48 49 static int initialized = 0; 50 if (!initialized) { 51 touch_pad_init(); 52 touch_pad_set_fsm_mode(TOUCH_FSM_MODE_TIMER); 53 initialized = 1; 54 } 55 esp_err_t err = touch_pad_config(self->touchpad_id, 0); 56 if (err == ESP_OK) { 57 return MP_OBJ_FROM_PTR(self); 58 } 59 mp_raise_ValueError(MP_ERROR_TEXT("Touch pad error")); 60 } 61 62 STATIC mp_obj_t mtp_config(mp_obj_t self_in, mp_obj_t value_in) { 63 mtp_obj_t *self = self_in; 64 uint16_t value = mp_obj_get_int(value_in); 65 esp_err_t err = touch_pad_config(self->touchpad_id, value); 66 if (err == ESP_OK) { 67 return mp_const_none; 68 } 69 mp_raise_ValueError(MP_ERROR_TEXT("Touch pad error")); 70 } 71 MP_DEFINE_CONST_FUN_OBJ_2(mtp_config_obj, mtp_config); 72 73 STATIC mp_obj_t mtp_read(mp_obj_t self_in) { 74 mtp_obj_t *self = self_in; 75 uint16_t value; 76 esp_err_t err = touch_pad_read(self->touchpad_id, &value); 77 if (err == ESP_OK) { 78 return MP_OBJ_NEW_SMALL_INT(value); 79 } 80 mp_raise_ValueError(MP_ERROR_TEXT("Touch pad error")); 81 } 82 MP_DEFINE_CONST_FUN_OBJ_1(mtp_read_obj, mtp_read); 83 84 STATIC const mp_rom_map_elem_t mtp_locals_dict_table[] = { 85 // instance methods 86 { MP_ROM_QSTR(MP_QSTR_config), MP_ROM_PTR(&mtp_config_obj) }, 87 { MP_ROM_QSTR(MP_QSTR_read), MP_ROM_PTR(&mtp_read_obj) }, 88 }; 89 90 STATIC MP_DEFINE_CONST_DICT(mtp_locals_dict, mtp_locals_dict_table); 91 92 const mp_obj_type_t machine_touchpad_type = { 93 { &mp_type_type }, 94 .name = MP_QSTR_TouchPad, 95 .make_new = mtp_make_new, 96 .locals_dict = (mp_obj_t)&mtp_locals_dict, 97 }; 98 99 #endif 100