andy/tinyUSB
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

hub check status before get 1st device descriptor

Browse Source
This commit is contained in:
hathach
2025-04-24 21:53:57 +07:00
parent 093720f60b
commit b5b7a4be60
2 changed files with 21 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
src/host/usbh.c
View File

@@ -1370,6 +1370,7 @@ enum {
ENUM_HUB_RERSET,
ENUM_HUB_GET_STATUS_AFTER_RESET,
ENUM_HUB_CLEAR_RESET,
ENUM_HUB_CLEAR_RESET_COMPLETE,
ENUM_ADDR0_DEVICE_DESC,
ENUM_SET_ADDR,
@@ -1511,19 +1512,33 @@ static void process_enumeration(tuh_xfer_t* xfer) {
case ENUM_HUB_CLEAR_RESET: {
hub_port_status_response_t port_status;
hub_port_get_status_local(dev0_bus->hub_addr, dev0_bus->hub_port, &port_status);
dev0_bus->speed = (port_status.status.high_speed) ? TUSB_SPEED_HIGH :
(port_status.status.low_speed) ? TUSB_SPEED_LOW : TUSB_SPEED_FULL;
if (port_status.change.reset) {
// Acknowledge Port Reset Change
TU_ASSERT(hub_port_clear_reset_change(dev0_bus->hub_addr, dev0_bus->hub_port, process_enumeration, ENUM_ADDR0_DEVICE_DESC),);
TU_ASSERT(hub_port_clear_reset_change(dev0_bus->hub_addr, dev0_bus->hub_port, process_enumeration, ENUM_HUB_CLEAR_RESET_COMPLETE),);
} else {
// maybe retry if reset change not set but we need timeout to prevent infinite loop
// TU_ASSERT(hub_port_get_status(dev0_bus->hub_addr, dev0_bus->hub_port, NULL, process_enumeration, ENUM_HUB_CLEAR_RESET),);
// TU_ASSERT(hub_port_get_status(dev0_bus->hub_addr, dev0_bus->hub_port, NULL, process_enumeration, ENUM_HUB_CLEAR_RESET_COMPLETE),);
}
break;
}
case ENUM_HUB_CLEAR_RESET_COMPLETE: {
hub_port_status_response_t port_status;
hub_port_get_status_local(dev0_bus->hub_addr, dev0_bus->hub_port, &port_status);
if (!port_status.status.connection) {
TU_LOG_USBH("Device unplugged from hub (not addressed yet)\r\n");
enum_full_complete();
return;
}
dev0_bus->speed = (port_status.status.high_speed) ? TUSB_SPEED_HIGH :
(port_status.status.low_speed) ? TUSB_SPEED_LOW : TUSB_SPEED_FULL;
TU_ATTR_FALLTHROUGH;
}
#endif
case ENUM_ADDR0_DEVICE_DESC: {