RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
Code Releases Activity

Implement USB_FEATURE_DEVICE_REMOTE_WAKEUP handling

Browse Source
This commit is contained in:
zvecr 2023-07-05 23:40:07 +01:00
parent b209fdd76c
commit 9139813d17
2 changed files with 28 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
sys/include/usb/usbus.h
View File

@ -466,6 +466,7 @@ struct usbus {
usbus_state_t state; /**< Current state */
usbus_state_t pstate; /**< state to recover to from suspend */
uint8_t addr; /**< Address of the USB peripheral */
bool wakeup_enabled; /**< Remote wakeup device feature status */
#ifndef CONFIG_USB_SERIAL_STR
/**
* @brief Hex representation of the device serial number

29
sys/usb/usbus/usbus_control.c
View File

@ -105,8 +105,8 @@ static usbus_string_t *_get_descriptor(usbus_t *usbus, uint16_t idx)
static int _req_status(usbus_t *usbus)
{
/* Signal self powered */
uint16_t status = (CONFIG_USB_SELF_POWERED) ? 1 : 0;
/* Signal self powered and remote wakeup status */
uint16_t status = (CONFIG_USB_SELF_POWERED) ? 1 : 0 | usbus->wakeup_enabled << 1;
usbus_control_slicer_put_bytes(usbus, (uint8_t*)&status, sizeof(status));
return sizeof(status);
}
@ -219,6 +219,24 @@ static int _req_descriptor(usbus_t *usbus, usb_setup_t *pkt)
}
}
static int _req_dev_feature(usbus_t *usbus, uint16_t feature, bool enable)
{
int res = -1;
switch (feature) {
case USB_FEATURE_DEVICE_REMOTE_WAKEUP:
if (CONFIG_USB_REM_WAKEUP) {
usbus->wakeup_enabled = enable;
res = 1;
}
break;
default:
DEBUG("usbus: unknown device feature request: %u\n", feature);
break;
}
return res;
}
static int _recv_dev_setup(usbus_t *usbus, usb_setup_t *pkt)
{
int res = -1;
@ -254,6 +272,12 @@ static int _recv_dev_setup(usbus_t *usbus, usb_setup_t *pkt)
_activate_endpoints(usbus);
res = 1;
break;
case USB_SETUP_REQ_SET_FEATURE:
res = _req_dev_feature(usbus, pkt->value, true);
break;
case USB_SETUP_REQ_CLEAR_FEATURE:
res = _req_dev_feature(usbus, pkt->value, false);
break;
default:
DEBUG("usbus: Unknown write request %u\n", pkt->request);
break;
@ -480,6 +504,7 @@ static void _handler_ep0_event(usbus_t *usbus, usbus_handler_t *handler,
switch (event) {
case USBUS_EVENT_USB_RESET:
DEBUG("usbus_control: Reset event triggered\n");
usbus->wakeup_enabled = false;
ep0_handler->control_request_state = USBUS_CONTROL_REQUEST_STATE_READY;
_usbus_config_ep0(ep0_handler);
break;