1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 "Eric Poulsen" <eric@zyxod.com>
*
* Based on the ESP IDF example code which is Public Domain / CC0
*
* 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.
*/
#if !MICROPY_ESP_IDF_4
#include "py/runtime.h"
#include "py/mphal.h"
#include "eth_phy/phy.h"
#include "eth_phy/phy_tlk110.h"
#include "eth_phy/phy_lan8720.h"
#include "tcpip_adapter.h"
#include "modnetwork.h"
typedef struct _lan_if_obj_t {
mp_obj_base_t base;
int if_id; // MUST BE FIRST to match wlan_if_obj_t
bool initialized;
bool active;
uint8_t mdc_pin;
uint8_t mdio_pin;
int8_t phy_power_pin;
uint8_t phy_addr;
uint8_t phy_type;
eth_phy_check_link_func link_func;
eth_phy_power_enable_func power_func;
} lan_if_obj_t;
const mp_obj_type_t lan_if_type;
STATIC lan_if_obj_t lan_obj = {{&lan_if_type}, ESP_IF_ETH, false, false};
STATIC void phy_power_enable(bool enable) {
lan_if_obj_t* self = &lan_obj;
if (self->phy_power_pin != -1) {
if (!enable) {
// Do the PHY-specific power_enable(false) function before powering down
self->power_func(false);
}
gpio_pad_select_gpio(self->phy_power_pin);
gpio_set_direction(self->phy_power_pin, GPIO_MODE_OUTPUT);
if (enable) {
gpio_set_level(self->phy_power_pin, 1);
} else {
gpio_set_level(self->phy_power_pin, 0);
}
// Allow the power up/down to take effect, min 300us
vTaskDelay(1);
if (enable) {
// Run the PHY-specific power on operations now the PHY has power
self->power_func(true);
}
}
}
STATIC void init_lan_rmii() {
lan_if_obj_t* self = &lan_obj;
phy_rmii_configure_data_interface_pins();
phy_rmii_smi_configure_pins(self->mdc_pin, self->mdio_pin);
}
STATIC mp_obj_t get_lan(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
lan_if_obj_t* self = &lan_obj;
if (self->initialized) {
return MP_OBJ_FROM_PTR(&lan_obj);
}
enum { ARG_id, ARG_mdc, ARG_mdio, ARG_power, ARG_phy_addr, ARG_phy_type, ARG_clock_mode };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_id, MP_ARG_OBJ, {.u_obj = mp_const_none} },
{ MP_QSTR_mdc, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_mdio, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_power, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
{ MP_QSTR_phy_addr, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_phy_type, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_clock_mode, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = -1} },
};
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);
if (args[ARG_id].u_obj != mp_const_none) {
if (mp_obj_get_int(args[ARG_id].u_obj) != 0) {
mp_raise_ValueError("invalid LAN interface identifier");
}
}
self->mdc_pin = machine_pin_get_id(args[ARG_mdc].u_obj);
self->mdio_pin = machine_pin_get_id(args[ARG_mdio].u_obj);
self->phy_power_pin = args[ARG_power].u_obj == mp_const_none ? -1 : machine_pin_get_id(args[ARG_power].u_obj);
if (args[ARG_phy_addr].u_int < 0x00 || args[ARG_phy_addr].u_int > 0x1f) {
mp_raise_ValueError("invalid phy address");
}
if (args[ARG_phy_type].u_int != PHY_LAN8720 && args[ARG_phy_type].u_int != PHY_TLK110) {
mp_raise_ValueError("invalid phy type");
}
if (args[ARG_clock_mode].u_int != -1 &&
args[ARG_clock_mode].u_int != ETH_CLOCK_GPIO0_IN &&
// Disabled due ESP-IDF (see modnetwork.c note)
//args[ARG_clock_mode].u_int != ETH_CLOCK_GPIO0_OUT &&
args[ARG_clock_mode].u_int != ETH_CLOCK_GPIO16_OUT &&
args[ARG_clock_mode].u_int != ETH_CLOCK_GPIO17_OUT) {
mp_raise_ValueError("invalid clock mode");
}
eth_config_t config;
switch (args[ARG_phy_type].u_int) {
case PHY_TLK110:
config = phy_tlk110_default_ethernet_config;
break;
case PHY_LAN8720:
config = phy_lan8720_default_ethernet_config;
break;
}
self->link_func = config.phy_check_link;
// Replace default power func with our own
self->power_func = config.phy_power_enable;
config.phy_power_enable = phy_power_enable;
config.phy_addr = args[ARG_phy_addr].u_int;
config.gpio_config = init_lan_rmii;
config.tcpip_input = tcpip_adapter_eth_input;
if (args[ARG_clock_mode].u_int != -1) {
config.clock_mode = args[ARG_clock_mode].u_int;
}
if (esp_eth_init(&config) == ESP_OK) {
self->active = false;
self->initialized = true;
} else {
mp_raise_msg(&mp_type_OSError, "esp_eth_init() failed");
}
return MP_OBJ_FROM_PTR(&lan_obj);
}
MP_DEFINE_CONST_FUN_OBJ_KW(get_lan_obj, 0, get_lan);
STATIC mp_obj_t lan_active(size_t n_args, const mp_obj_t *args) {
lan_if_obj_t *self = MP_OBJ_TO_PTR(args[0]);
if (n_args > 1) {
if (mp_obj_is_true(args[1])) {
self->active = (esp_eth_enable() == ESP_OK);
if (!self->active) {
mp_raise_msg(&mp_type_OSError, "ethernet enable failed");
}
} else {
self->active = !(esp_eth_disable() == ESP_OK);
if (self->active) {
mp_raise_msg(&mp_type_OSError, "ethernet disable failed");
}
}
}
return mp_obj_new_bool(self->active);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(lan_active_obj, 1, 2, lan_active);
STATIC mp_obj_t lan_status(mp_obj_t self_in) {
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(lan_status_obj, lan_status);
STATIC mp_obj_t lan_isconnected(mp_obj_t self_in) {
lan_if_obj_t *self = MP_OBJ_TO_PTR(self_in);
return self->active ? mp_obj_new_bool(self->link_func()) : mp_const_false;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(lan_isconnected_obj, lan_isconnected);
STATIC const mp_rom_map_elem_t lan_if_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_active), MP_ROM_PTR(&lan_active_obj) },
{ MP_ROM_QSTR(MP_QSTR_isconnected), MP_ROM_PTR(&lan_isconnected_obj) },
{ MP_ROM_QSTR(MP_QSTR_status), MP_ROM_PTR(&lan_status_obj) },
{ MP_ROM_QSTR(MP_QSTR_config), MP_ROM_PTR(&esp_config_obj) },
{ MP_ROM_QSTR(MP_QSTR_ifconfig), MP_ROM_PTR(&esp_ifconfig_obj) },
};
STATIC MP_DEFINE_CONST_DICT(lan_if_locals_dict, lan_if_locals_dict_table);
const mp_obj_type_t lan_if_type = {
{ &mp_type_type },
.name = MP_QSTR_LAN,
.locals_dict = (mp_obj_dict_t*)&lan_if_locals_dict,
};
#endif // !MICROPY_ESP_IDF_4
|
