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usb: Add API for getting status of remote wakeup

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This change adds a posibility to check the status of
remote wakeup feature.

Signed-off-by: Emil Obalski <emil.obalski@nordicsemi.no>
This commit is contained in:
Emil Obalski 2021-10-27 13:33:53 +02:00 • committed by Carles Cufí
commit 75c0f52cca
3 changed files with 15 additions and 1 deletions
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2
doc/releases/release-notes-3.0.rst
View file

@ -36,6 +36,8 @@ Changes in this release
* Replaced custom LwM2M :c:struct:`float32_value` type with a native double type. * Replaced custom LwM2M :c:struct:`float32_value` type with a native double type.
* Added function for getting status of USB device remote wakeup feature.
========================== ==========================
Removed APIs in this release Removed APIs in this release

7
include/usb/usb_device.h
View file

@ -433,6 +433,13 @@ bool usb_transfer_is_busy(uint8_t ep);
*/ */
int usb_wakeup_request(void); int usb_wakeup_request(void);
/**
* @brief Get status of the USB remote wakeup feature
*
* @return true if remote wakeup has been enabled by the host, false otherwise.
*/
bool usb_get_remote_wakeup_status(void);
/** /**
* @} * @}
*/ */

7
subsys/usb/usb_device.c
View file

@ -1369,10 +1369,15 @@ int usb_ep_read_continue(uint8_t ep)
return usb_dc_ep_read_continue(ep); return usb_dc_ep_read_continue(ep);
} }
bool usb_get_remote_wakeup_status(void)
{
return usb_dev.remote_wakeup;
}
int usb_wakeup_request(void) int usb_wakeup_request(void)
{ {
if (IS_ENABLED(CONFIG_USB_DEVICE_REMOTE_WAKEUP)) { if (IS_ENABLED(CONFIG_USB_DEVICE_REMOTE_WAKEUP)) {
if (usb_dev.remote_wakeup) { if (usb_get_remote_wakeup_status()) {
return usb_dc_wakeup_request(); return usb_dc_wakeup_request();
} }
return -EACCES; return -EACCES;