Merge branch 'refactor/usb_device_driver' into 'master'

tiny_usb: support on esp32-s3

Closes IDF-3234

See merge request espressif/esp-idf!14293
This commit is contained in:
Michael (XIAO Xufeng)
2021-07-26 16:21:55 +00:00
41 changed files with 627 additions and 516 deletions
+1 -1
View File
@@ -33,6 +33,6 @@ Peripherals API
:esp32s2: Touch Element <touch_element>
TWAI <twai>
UART <uart>
:SOC_USB_SUPPORTED: USB <usb>
:SOC_USB_OTG_SUPPORTED: USB Device <usb_device>
Code examples for this API section are provided in the :example:`peripherals` directory of ESP-IDF examples.
@@ -1,6 +1,9 @@
USB Driver
==========
USB Device Driver
=================
{IDF_TARGET_USB_DP_GPIO_NUM:default="20"}
{IDF_TARGET_USB_DM_GPIO_NUM:default="19"}
Overview
--------
@@ -21,12 +24,14 @@ Hardware USB Connection
- Any board with the {IDF_TARGET_NAME} chip with USB connectors or with exposed USB's D+ and D- (DATA+/DATA-) pins.
If the board has no USB connector but has the pins, connect pins directly to the host (e.g. with do-it-yourself cable from any USB connection cable). For example, connect GPIO19/20 to D-/D+ respectively for an ESP32-S2 board:
If the board has no USB connector but has the pins, connect pins directly to the host (e.g. with do-it-yourself cable from any USB connection cable).
On {IDF_TARGET_NAME}, connect GPIO {IDF_TARGET_USB_DP_GPIO_NUM} and {IDF_TARGET_USB_DM_GPIO_NUM} to D+/D- respectively:
.. figure:: ../../../_static/usb-board-connection.png
:align: center
:alt: Connection of a board to a host ESP32-S2
:alt: Connection of a board to a host ESP chip
:figclass: align-center
Driver Structure