431 lines
16 KiB
C
431 lines
16 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 "Eric Poulsen" <eric@zyxod.com>
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* Copyright (c) 2021 "Tobias Eydam" <tobiaseydam@hotmail.com>
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*
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* Based on the ESP IDF example code which is Public Domain / CC0
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/runtime.h"
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#include "py/mphal.h"
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#include "esp_idf_version.h"
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// LAN only for ESP32 (not ESP32S2) and only for ESP-IDF v4.1 and higher
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#if MICROPY_PY_NETWORK_LAN
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#include "esp_eth.h"
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#include "esp_eth_mac.h"
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#include "esp_event.h"
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#include "esp_log.h"
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#include "esp_netif.h"
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#if CONFIG_ETH_USE_SPI_ETHERNET
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#include "driver/spi_master.h"
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#endif
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#include "modnetwork.h"
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typedef struct _lan_if_obj_t {
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mp_obj_base_t base;
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int if_id; // MUST BE FIRST to match wlan_if_obj_t
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bool initialized;
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bool active;
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int8_t mdc_pin;
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int8_t mdio_pin;
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int8_t phy_power_pin;
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int8_t phy_cs_pin;
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int8_t phy_int_pin;
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uint8_t phy_addr;
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uint8_t phy_type;
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esp_eth_phy_t *phy;
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esp_netif_t *eth_netif;
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esp_eth_handle_t eth_handle;
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} lan_if_obj_t;
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const mp_obj_type_t lan_if_type;
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STATIC lan_if_obj_t lan_obj = {{&lan_if_type}, ESP_IF_ETH, false, false};
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STATIC uint8_t eth_status = 0;
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static void eth_event_handler(void *arg, esp_event_base_t event_base,
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int32_t event_id, void *event_data) {
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switch (event_id) {
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case ETHERNET_EVENT_CONNECTED:
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eth_status = ETH_CONNECTED;
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ESP_LOGI("ethernet", "Ethernet Link Up");
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break;
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case ETHERNET_EVENT_DISCONNECTED:
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eth_status = ETH_DISCONNECTED;
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ESP_LOGI("ethernet", "Ethernet Link Down");
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break;
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case ETHERNET_EVENT_START:
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eth_status = ETH_STARTED;
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ESP_LOGI("ethernet", "Ethernet Started");
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break;
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case ETHERNET_EVENT_STOP:
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eth_status = ETH_STOPPED;
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ESP_LOGI("ethernet", "Ethernet Stopped");
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break;
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case IP_EVENT_ETH_GOT_IP:
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eth_status = ETH_GOT_IP;
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ESP_LOGI("ethernet", "Ethernet Got IP");
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break;
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default:
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break;
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}
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}
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STATIC mp_obj_t get_lan(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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lan_if_obj_t *self = &lan_obj;
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if (self->initialized) {
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return MP_OBJ_FROM_PTR(&lan_obj);
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}
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enum { ARG_id, ARG_mdc, ARG_mdio, ARG_power, ARG_phy_addr, ARG_phy_type,
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ARG_spi, ARG_cs, ARG_int, ARG_ref_clk_mode, ARG_ref_clk };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_id, MP_ARG_OBJ, {.u_obj = mp_const_none} },
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{ MP_QSTR_mdc, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
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{ MP_QSTR_mdio, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
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{ MP_QSTR_power, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
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{ MP_QSTR_phy_addr, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT },
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{ MP_QSTR_phy_type, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT },
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{ MP_QSTR_spi, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
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{ MP_QSTR_cs, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
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{ MP_QSTR_int, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
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#if ESP_IDF_VERSION_MINOR >= 4
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// Dynamic ref_clk configuration available at v4.4
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{ MP_QSTR_ref_clk_mode, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = -1} },
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{ MP_QSTR_ref_clk, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
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#endif
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};
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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if (args[ARG_id].u_obj != mp_const_none) {
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if (mp_obj_get_int(args[ARG_id].u_obj) != 0) {
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mp_raise_ValueError(MP_ERROR_TEXT("invalid LAN interface identifier"));
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}
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}
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#define GET_PIN(XXX) args[XXX].u_obj == mp_const_none ? -1 : machine_pin_get_id(args[XXX].u_obj);
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self->mdc_pin = GET_PIN(ARG_mdc);
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self->mdio_pin = GET_PIN(ARG_mdio);
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self->phy_power_pin = GET_PIN(ARG_power);
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self->phy_cs_pin = GET_PIN(ARG_cs);
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self->phy_int_pin = GET_PIN(ARG_int);
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if (args[ARG_phy_addr].u_int < 0x00 || args[ARG_phy_addr].u_int > 0x1f) {
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mp_raise_ValueError(MP_ERROR_TEXT("invalid phy address"));
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}
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self->phy_addr = args[ARG_phy_addr].u_int;
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if (args[ARG_phy_type].u_int != PHY_LAN8710 &&
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args[ARG_phy_type].u_int != PHY_LAN8720 &&
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args[ARG_phy_type].u_int != PHY_IP101 &&
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args[ARG_phy_type].u_int != PHY_RTL8201 &&
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#if ESP_IDF_VERSION_MINOR >= 3 // KSZ8041 is new in ESP-IDF v4.3
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args[ARG_phy_type].u_int != PHY_KSZ8041 &&
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#endif
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#if CONFIG_ETH_USE_SPI_ETHERNET
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#if CONFIG_ETH_SPI_ETHERNET_KSZ8851SNL
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args[ARG_phy_type].u_int != PHY_KSZ8851SNL &&
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#endif
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#if CONFIG_ETH_SPI_ETHERNET_DM9051
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args[ARG_phy_type].u_int != PHY_DM9051 &&
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#endif
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#if CONFIG_ETH_SPI_ETHERNET_W5500
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args[ARG_phy_type].u_int != PHY_W5500 &&
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#endif
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#endif
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args[ARG_phy_type].u_int != PHY_DP83848) {
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mp_raise_ValueError(MP_ERROR_TEXT("invalid phy type"));
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}
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eth_mac_config_t mac_config = ETH_MAC_DEFAULT_CONFIG();
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esp_eth_mac_t *mac = NULL;
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// Dynamic ref_clk configuration available at v4.4
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#if ESP_IDF_VERSION_MINOR >= 4
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if (args[ARG_ref_clk_mode].u_int != -1) {
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// Map the GPIO_MODE constants to EMAC_CLK constants.
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mac_config.clock_config.rmii.clock_mode =
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args[ARG_ref_clk_mode].u_int == GPIO_MODE_INPUT ? EMAC_CLK_EXT_IN : EMAC_CLK_OUT;
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}
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if (args[ARG_ref_clk].u_obj != mp_const_none) {
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mac_config.clock_config.rmii.clock_gpio = machine_pin_get_id(args[ARG_ref_clk].u_obj);
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}
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#endif
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eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG();
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phy_config.phy_addr = self->phy_addr;
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phy_config.reset_gpio_num = self->phy_power_pin;
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self->phy = NULL;
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#if CONFIG_ETH_USE_SPI_ETHERNET
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spi_device_handle_t spi_handle = NULL;
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if (IS_SPI_PHY(args[ARG_phy_type].u_int)) {
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spi_device_interface_config_t devcfg = {
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.mode = 0,
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.clock_speed_hz = MICROPY_PY_NETWORK_LAN_SPI_CLOCK_SPEED_MZ * 1000 * 1000,
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.queue_size = 20,
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.spics_io_num = self->phy_cs_pin,
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};
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switch (args[ARG_phy_type].u_int) {
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#if CONFIG_ETH_SPI_ETHERNET_DM9051
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case PHY_DM9051: {
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devcfg.command_bits = 1;
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devcfg.address_bits = 7;
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break;
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}
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#endif
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#if CONFIG_ETH_SPI_ETHERNET_W5500
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case PHY_W5500: {
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devcfg.command_bits = 16;
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devcfg.address_bits = 8;
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break;
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}
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#endif
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}
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spi_host_device_t host = machine_hw_spi_get_host(args[ARG_spi].u_obj);
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if (spi_bus_add_device(host, &devcfg, &spi_handle) != ESP_OK) {
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mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("spi_bus_add_device failed"));
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}
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}
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#endif
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switch (args[ARG_phy_type].u_int) {
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#if CONFIG_IDF_TARGET_ESP32
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case PHY_LAN8710:
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case PHY_LAN8720:
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self->phy = esp_eth_phy_new_lan8720(&phy_config);
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break;
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case PHY_IP101:
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self->phy = esp_eth_phy_new_ip101(&phy_config);
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break;
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case PHY_RTL8201:
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self->phy = esp_eth_phy_new_rtl8201(&phy_config);
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break;
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case PHY_DP83848:
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self->phy = esp_eth_phy_new_dp83848(&phy_config);
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break;
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#if ESP_IDF_VERSION_MINOR >= 3 // KSZ8041 is new in ESP-IDF v4.3
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case PHY_KSZ8041:
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self->phy = esp_eth_phy_new_ksz8041(&phy_config);
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break;
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#endif
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#endif
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#if CONFIG_ETH_USE_SPI_ETHERNET
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#if CONFIG_ETH_SPI_ETHERNET_KSZ8851SNL
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case PHY_KSZ8851SNL: {
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eth_ksz8851snl_config_t chip_config = ETH_KSZ8851SNL_DEFAULT_CONFIG(spi_handle);
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chip_config.int_gpio_num = self->phy_int_pin;
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mac = esp_eth_mac_new_ksz8851snl(&chip_config, &mac_config);
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self->phy = esp_eth_phy_new_ksz8851snl(&phy_config);
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break;
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}
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#endif
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#if CONFIG_ETH_SPI_ETHERNET_DM9051
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case PHY_DM9051: {
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eth_dm9051_config_t chip_config = ETH_DM9051_DEFAULT_CONFIG(spi_handle);
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chip_config.int_gpio_num = self->phy_int_pin;
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mac = esp_eth_mac_new_dm9051(&chip_config, &mac_config);
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self->phy = esp_eth_phy_new_dm9051(&phy_config);
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break;
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}
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#endif
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#if CONFIG_ETH_SPI_ETHERNET_W5500
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case PHY_W5500: {
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eth_w5500_config_t chip_config = ETH_W5500_DEFAULT_CONFIG(spi_handle);
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chip_config.int_gpio_num = self->phy_int_pin;
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mac = esp_eth_mac_new_w5500(&chip_config, &mac_config);
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self->phy = esp_eth_phy_new_w5500(&phy_config);
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break;
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}
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#endif
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#endif
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}
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#if CONFIG_IDF_TARGET_ESP32
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if (!IS_SPI_PHY(args[ARG_phy_type].u_int)) {
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if (self->mdc_pin == -1 || self->mdio_pin == -1) {
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mp_raise_ValueError(MP_ERROR_TEXT("mdc and mdio must be specified"));
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}
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mac_config.smi_mdc_gpio_num = self->mdc_pin;
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mac_config.smi_mdio_gpio_num = self->mdio_pin;
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mac = esp_eth_mac_new_esp32(&mac_config);
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}
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#endif
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if (esp_netif_init() != ESP_OK) {
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mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("esp_netif_init failed"));
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}
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esp_netif_config_t cfg = ESP_NETIF_DEFAULT_ETH();
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self->eth_netif = esp_netif_new(&cfg);
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if (esp_eth_set_default_handlers(self->eth_netif) != ESP_OK) {
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mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("esp_eth_set_default_handlers failed (invalid parameter)"));
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}
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if (esp_event_handler_register(ETH_EVENT, ESP_EVENT_ANY_ID, ð_event_handler, NULL) != ESP_OK) {
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mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("esp_event_handler_register failed"));
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}
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if (esp_event_handler_register(IP_EVENT, ESP_EVENT_ANY_ID, ð_event_handler, NULL) != ESP_OK) {
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mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("esp_event_handler_register failed"));
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}
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esp_eth_config_t config = ETH_DEFAULT_CONFIG(mac, self->phy);
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esp_err_t esp_err = esp_eth_driver_install(&config, &self->eth_handle);
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if (esp_err == ESP_OK) {
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self->active = false;
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self->initialized = true;
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} else {
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if (esp_err == ESP_ERR_INVALID_ARG) {
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mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("esp_eth_driver_install failed with invalid argument"));
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} else if (esp_err == ESP_ERR_NO_MEM) {
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mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("esp_eth_driver_install failed with no memory for driver"));
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} else {
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mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("esp_eth_driver_install failed"));
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}
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}
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if (esp_netif_attach(self->eth_netif, esp_eth_new_netif_glue(self->eth_handle)) != ESP_OK) {
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mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("esp_netif_attach failed"));
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}
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eth_status = ETH_INITIALIZED;
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return MP_OBJ_FROM_PTR(&lan_obj);
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}
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MP_DEFINE_CONST_FUN_OBJ_KW(get_lan_obj, 0, get_lan);
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STATIC mp_obj_t lan_active(size_t n_args, const mp_obj_t *args) {
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lan_if_obj_t *self = MP_OBJ_TO_PTR(args[0]);
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if (n_args > 1) {
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if (mp_obj_is_true(args[1])) {
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self->active = (esp_eth_start(self->eth_handle) == ESP_OK);
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if (!self->active) {
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mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("ethernet enable failed"));
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}
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} else {
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self->active = !(esp_eth_stop(self->eth_handle) == ESP_OK);
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if (self->active) {
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mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("ethernet disable failed"));
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}
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}
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}
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return mp_obj_new_bool(self->active);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(lan_active_obj, 1, 2, lan_active);
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STATIC mp_obj_t lan_status(mp_obj_t self_in) {
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return MP_OBJ_NEW_SMALL_INT(eth_status);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(lan_status_obj, lan_status);
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STATIC mp_obj_t lan_isconnected(mp_obj_t self_in) {
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lan_if_obj_t *self = MP_OBJ_TO_PTR(self_in);
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return self->active ? mp_obj_new_bool(self->phy->get_link(self->phy) == ETH_LINK_UP) : mp_const_false;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(lan_isconnected_obj, lan_isconnected);
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STATIC mp_obj_t lan_config(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
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if (n_args != 1 && kwargs->used != 0) {
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mp_raise_TypeError(MP_ERROR_TEXT("either pos or kw args are allowed"));
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}
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lan_if_obj_t *self = MP_OBJ_TO_PTR(args[0]);
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if (kwargs->used != 0) {
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for (size_t i = 0; i < kwargs->alloc; i++) {
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if (mp_map_slot_is_filled(kwargs, i)) {
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switch (mp_obj_str_get_qstr(kwargs->table[i].key)) {
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case MP_QSTR_mac: {
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(kwargs->table[i].value, &bufinfo, MP_BUFFER_READ);
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if (bufinfo.len != 6) {
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mp_raise_ValueError(MP_ERROR_TEXT("invalid buffer length"));
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}
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if (
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(esp_eth_ioctl(self->eth_handle, ETH_CMD_S_MAC_ADDR, bufinfo.buf) != ESP_OK) ||
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(esp_netif_set_mac(self->eth_netif, bufinfo.buf) != ESP_OK)
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) {
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mp_raise_msg(&mp_type_OSError, MP_ERROR_TEXT("failed setting MAC address"));
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}
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break;
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}
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default:
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break;
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}
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}
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}
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return mp_const_none;
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}
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if (n_args != 2) {
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mp_raise_TypeError(MP_ERROR_TEXT("can query only one param"));
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}
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mp_obj_t val = mp_const_none;
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switch (mp_obj_str_get_qstr(args[1])) {
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case MP_QSTR_mac: {
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uint8_t mac[6];
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esp_eth_ioctl(self->eth_handle, ETH_CMD_G_MAC_ADDR, mac);
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return mp_obj_new_bytes(mac, sizeof(mac));
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}
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default:
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mp_raise_ValueError(MP_ERROR_TEXT("unknown config param"));
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}
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return val;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(lan_config_obj, 1, lan_config);
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STATIC const mp_rom_map_elem_t lan_if_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_active), MP_ROM_PTR(&lan_active_obj) },
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|
{ MP_ROM_QSTR(MP_QSTR_isconnected), MP_ROM_PTR(&lan_isconnected_obj) },
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|
{ MP_ROM_QSTR(MP_QSTR_status), MP_ROM_PTR(&lan_status_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_config), MP_ROM_PTR(&lan_config_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_ifconfig), MP_ROM_PTR(&esp_ifconfig_obj) },
|
|
};
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|
|
|
STATIC MP_DEFINE_CONST_DICT(lan_if_locals_dict, lan_if_locals_dict_table);
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|
|
|
MP_DEFINE_CONST_OBJ_TYPE(
|
|
lan_if_type,
|
|
MP_QSTR_LAN,
|
|
MP_TYPE_FLAG_NONE,
|
|
locals_dict, &lan_if_locals_dict
|
|
);
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|
|
|
#endif
|