arno/trezor-firmware
1
0
Fork 0
mirror of https://github.com/trezor/trezor-firmware.git synced 2025-01-22 13:21:03 +00:00
Code Issues Releases Wiki Activity

fix(core): consider device in USB suspend connected if it was configured before

Browse Source 
[no changelog]
This commit is contained in:
Ondrej Mikle 2022-08-30 13:56:00 +02:00
parent a20783731a
commit 77cdf4b43c
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
core/embed/trezorhal/usb.c
View File

@ -153,11 +153,19 @@ void usb_start(void) { USBD_Start(&usb_dev_handle); }
void usb_stop(void) { USBD_Stop(&usb_dev_handle); }
secbool usb_configured(void) {
USBD_HandleTypeDef *pdev = &usb_dev_handle;
const USBD_HandleTypeDef *pdev = &usb_dev_handle;
if (pdev->dev_state == USBD_STATE_CONFIGURED) {
return sectrue;
}
// Linux has autosuspend device after 2 seconds by default.
// So a suspended device that was seen as configured is reported as
// configured.
if (pdev->dev_state == USBD_STATE_SUSPENDED &&
pdev->dev_old_state == USBD_STATE_CONFIGURED) {
return sectrue;
}
return secfalse;
}