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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| dependencies: | ||
| espressif/esp_tinyusb: "^1.4.2" | ||
| idf: "^5.1.0" | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| #include "config.h" | ||
| #include "net_usb.h" | ||
| #include "net_common.h" | ||
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| #include <assert.h> | ||
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| #include <tinyusb.h> | ||
| #include <tinyusb_net.h> | ||
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| #include <esp_netif.h> | ||
| #include <esp_eth.h> | ||
| #include <esp_eth_driver.h> | ||
| #include <esp_mac.h> | ||
| #include <esp_log.h> | ||
| #include <esp_check.h> | ||
| #include <esp_event.h> | ||
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| using namespace Hardware; | ||
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| namespace | ||
| { | ||
| static const char* TAG = "hardware::net::usb"; | ||
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| esp_err_t wired_send(void *buffer, uint16_t len, void *buff_free_arg) | ||
| { | ||
| return tinyusb_net_send_sync(buffer, len, buff_free_arg, pdMS_TO_TICKS(100)); | ||
| } | ||
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| static void l2_free(void *h, void *buffer) | ||
| { | ||
| free(buffer); | ||
| } | ||
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| static esp_err_t netif_transmit (void *h, void *buffer, size_t len) | ||
| { | ||
| if (wired_send(buffer, len, NULL) != ESP_OK) { | ||
| ESP_LOGE(TAG, "Failed to send buffer to USB!"); | ||
| } | ||
| return ESP_OK; | ||
| } | ||
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| esp_err_t netif_recv_callback(void *buffer, uint16_t len, void *ctx) | ||
| { | ||
| esp_netif_t* netif = reinterpret_cast<esp_netif_t *>(ctx); | ||
| if (!netif) { | ||
| return ESP_OK; | ||
| } | ||
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| void *buf_copy = malloc(len); | ||
| if (!buf_copy) { | ||
| return ESP_ERR_NO_MEM; | ||
| } | ||
| memcpy(buf_copy, buffer, len); | ||
| return esp_netif_receive(netif, buf_copy, len, NULL); | ||
| } | ||
| } | ||
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| esp_err_t NetUsb::Initialize() | ||
| { | ||
| const tinyusb_config_t usbCfg = { | ||
| .external_phy = false, | ||
| }; | ||
| esp_err_t err = tinyusb_driver_install(&usbCfg); | ||
| ESP_RETURN_ON_ERROR(err, TAG, "install TinyUSB driver"); | ||
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| BuildIPInfo(&this->ipInfo, true); | ||
| this->netifCfg = { | ||
| .flags = static_cast<esp_netif_flags_t>(ESP_NETIF_DHCP_SERVER | ESP_NETIF_FLAG_AUTOUP | ESP_NETIF_FLAG_EVENT_IP_MODIFIED), | ||
| .ip_info = &this->ipInfo, | ||
| .get_ip_event = IP_EVENT_ETH_GOT_IP, | ||
| .lost_ip_event = IP_EVENT_ETH_LOST_IP, | ||
| .if_key = "wired", | ||
| .if_desc = "usb ncm config device", | ||
| }; | ||
| PatchNetifCfg(this->netifCfg); | ||
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| this->driverCfg = { | ||
| .handle = (void *)1, // not using an instance, USB-NCM is a static singleton (must be != NULL) | ||
| .transmit = netif_transmit, // point to static Tx function | ||
| .driver_free_rx_buffer = l2_free // point to Free Rx buffer function | ||
| }; | ||
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| this->stackCfg = { | ||
| .lwip = { | ||
| .init_fn = ethernetif_init, | ||
| .input_fn = ethernetif_input | ||
| } | ||
| }; | ||
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| return ESP_OK; | ||
| } | ||
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| esp_netif_config_t NetUsb::NetifConfig() const | ||
| { | ||
| return { | ||
| .base = &netifCfg, | ||
| .driver = &driverCfg, | ||
| .stack = &stackCfg, | ||
| }; | ||
| } | ||
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| esp_err_t NetUsb::Attach(esp_netif_t* netif) | ||
| { | ||
| assert(netif); | ||
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| tinyusb_net_config_t netCfg = { | ||
| .on_recv_callback = netif_recv_callback, | ||
| .user_context = netif, | ||
| }; | ||
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| esp_err_t err = esp_read_mac(netCfg.mac_addr, ESP_MAC_WIFI_SOFTAP); | ||
| ESP_RETURN_ON_ERROR(err, TAG, "read softap mac"); | ||
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| err = tinyusb_net_init(TINYUSB_USBDEV_0, &netCfg); | ||
| ESP_RETURN_ON_ERROR(err, TAG, "initialize USB Net device"); | ||
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| err = esp_netif_set_mac(netif, netCfg.mac_addr); | ||
| ESP_RETURN_ON_ERROR(err, TAG, "set netif mac"); | ||
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| // start the interface manually (as the driver has been started already) | ||
| esp_netif_action_start(netif, 0, 0, 0); | ||
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| // TODO(buglloc): do smth better plz | ||
| ip_event_got_ip_t evt = { | ||
| .esp_netif = netif, | ||
| .ip_changed = true, | ||
| }; | ||
| BuildIPInfo(&evt.ip_info, true); | ||
| esp_event_post(IP_EVENT, IP_EVENT_ETH_GOT_IP, &evt, sizeof(evt), 0); | ||
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| return ESP_OK; | ||
| } |
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