ESPHome 2026.5.0-dev
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tinyusb_component.cpp
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1#if defined(USE_ESP32_VARIANT_ESP32P4) || defined(USE_ESP32_VARIANT_ESP32S2) || defined(USE_ESP32_VARIANT_ESP32S3)
2#include "tinyusb_component.h"
4#include "esphome/core/log.h"
5#include "tinyusb_default_config.h"
6
7namespace esphome::tinyusb {
8
9static const char *TAG = "tinyusb";
10
12 // Use the device's MAC address as its serial number if no serial number is defined
13 if (this->string_descriptor_[SERIAL_NUMBER] == nullptr) {
14 static char mac_addr_buf[13];
15 get_mac_address_into_buffer(mac_addr_buf);
16 this->string_descriptor_[SERIAL_NUMBER] = mac_addr_buf;
17 }
18
19 // Start from esp_tinyusb defaults to keep required task settings valid across esp_tinyusb updates.
20 this->tusb_cfg_ = TINYUSB_DEFAULT_CONFIG();
21 this->tusb_cfg_.port = TINYUSB_PORT_FULL_SPEED_0;
22 this->tusb_cfg_.phy.skip_setup = false;
23 this->tusb_cfg_.descriptor = {
24 .device = &this->usb_descriptor_,
25 .string = this->string_descriptor_,
26 .string_count = SIZE,
27 };
28
29 esp_err_t result = tinyusb_driver_install(&this->tusb_cfg_);
30 if (result != ESP_OK) {
31 ESP_LOGE(TAG, "tinyusb_driver_install failed: %s", esp_err_to_name(result));
32 this->mark_failed();
33 }
34}
35
37 ESP_LOGCONFIG(TAG,
38 "TinyUSB:\n"
39 " Product ID: 0x%04X\n"
40 " Vendor ID: 0x%04X\n"
41 " Manufacturer: '%s'\n"
42 " Product: '%s'\n"
43 " Serial: '%s'\n",
44 this->usb_descriptor_.idProduct, this->usb_descriptor_.idVendor, this->string_descriptor_[MANUFACTURER],
45 this->string_descriptor_[PRODUCT], this->string_descriptor_[SERIAL_NUMBER]);
46}
47
48} // namespace esphome::tinyusb
49#endif // USE_ESP32_VARIANT_ESP32P4 || USE_ESP32_VARIANT_ESP32S2 || USE_ESP32_VARIANT_ESP32S3
void mark_failed()
Mark this component as failed.
const char * string_descriptor_[SIZE]
tusb_desc_device_t usb_descriptor_
void get_mac_address_into_buffer(std::span< char, MAC_ADDRESS_BUFFER_SIZE > buf)
Get the device MAC address into the given buffer, in lowercase hex notation.
Definition helpers.cpp:867