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7f09fe1b23
esp-idf/examples/peripherals/usb
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Darian Leung 7f09fe1b23 usb: USB Host stack uses USB PHY driver 
This commit updates the USB Host stack to use the USB PHY driver. The
USB PHY and the OTG Controller should now both be setup/deleted using
usb_new_phy() and usb_del_phy() respectively.

- The hcd_install() now expects the USB PHY and OTG Contorller to be
    already setup before it is called
- usb_host_install() now has an option to skip calling usb_del_phy() if
    the user wants to setup their own USB PHY (e.g., in the case of using
    and external PHY).
- CDC-ACM and MSC examples/test updated to use internal PHY

Closes https://github.com/espressif/esp-idf/issues/8061
2022-02-18 15:51:05 +08:00
..
host usb: USB Host stack uses USB PHY driver 2022-02-18 15:51:05 +08:00
tusb_console tiny_usb: rename Kconfig name 2021-07-22 10:43:10 +08:00
tusb_sample_descriptor docs: fix broken link in usb example readme 2021-07-28 12:44:40 +08:00
tusb_serial_device tiny_usb: rename Kconfig name 2021-07-22 10:43:10 +08:00
README.md tiny_usb: rename Kconfig name 2021-07-22 10:43:10 +08:00

README.md

USB-OTG Examples

See the README.md file in the upper level examples directory for more information about examples.

Common Pin Assignments

Pin assignment is only needed for ESP chips that have an USB-OTG peripheral. If your board doesn't have a USB connector connected to the USB-OTG dedicated GPIOs, you may have to DIY a cable and connect D+ and D- to the pins listed below.

ESP BOARD          USB CONNECTOR (type A)
                          --
                         | || VCC
[USBPHY_DM_NUM]  ------> | || D-
[USBPHY_DP_NUM]  ------> | || D+
                         | || GND
                          --

Refer to soc/usb_pins.h to find the real GPIO number of USBPHY_DP_NUM and USBPHY_DM_NUM.

USB_DP USB_DM
ESP32-S2/S3 GPIO20 GPIO19