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Add comment on vbus_detection to all USB examples

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This commit is contained in:
Joël Schulz-Ansres
2024-04-22 00:52:37 +02:00
parent 152d514f52
commit 896d0e7cd8
8 changed files with 104 additions and 1 deletions
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13
examples/stm32f7/src/bin/usb_serial.rs
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@@ -16,6 +16,11 @@ bind_interrupts!(struct Irqs {
OTG_FS => usb::InterruptHandler<peripherals::USB_OTG_FS>;
});
// If you are trying this and your USB device doesn't connect, the most
// common issues are the RCC config and vbus_detection
//
// See https://embassy.dev/book/dev/faq.html#_the_usb_examples_are_not_working_on_my_board_is_there_anything_else_i_need_to_configure
// for more information.
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
info!("Hello World!");
@@ -46,7 +51,15 @@ async fn main(_spawner: Spawner) {
// Create the driver, from the HAL.
let mut ep_out_buffer = [0u8; 256];
let mut config = embassy_stm32::usb::Config::default();
// Enable vbus_detection
// Note: some boards don't have this wired up and might not require it,
// as they are powered through usb!
// If you hang on boot, try setting this to "false"!
// See https://embassy.dev/book/dev/faq.html#_the_usb_examples_are_not_working_on_my_board_is_there_anything_else_i_need_to_configure
// for more information
config.vbus_detection = true;
let driver = Driver::new_fs(p.USB_OTG_FS, Irqs, p.PA12, p.PA11, &mut ep_out_buffer, config);
// Create embassy-usb Config