alex/esp-idf
alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2024-10-05 20:47:46 -04:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

usb_host: Fixed incorrect opening devices from multiple clients

Browse Source 
1. During USBH device open both queues (idle and pending) must be checked.
2. Don't overwrite already allocated endpoints
This commit is contained in:
Tomas Rezucha 2022-10-10 11:52:48 +02:00 committed by Darian Leung
parent 166effd4b8
commit 9e145c5d30
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
components/usb/usbh.c
View File

@ -536,7 +536,7 @@ esp_err_t usbh_dev_open(uint8_t dev_addr, usb_device_handle_t *dev_hdl)
goto exit; goto exit;
} }
} }
TAILQ_FOREACH(dev_obj, &p_usbh_obj->dynamic.devs_idle_tailq, dynamic.tailq_entry) { TAILQ_FOREACH(dev_obj, &p_usbh_obj->dynamic.devs_pending_tailq, dynamic.tailq_entry) {
if (dev_obj->constant.address == dev_addr) { if (dev_obj->constant.address == dev_addr) {
found_dev_obj = dev_obj; found_dev_obj = dev_obj;
goto exit; goto exit;
@ -783,7 +783,7 @@ esp_err_t usbh_ep_alloc(usb_device_handle_t dev_hdl, usbh_ep_config_t *ep_config
if (is_in && dev_obj->mux_protected.ep_in[addr - 1] == NULL) { //Is an IN EP if (is_in && dev_obj->mux_protected.ep_in[addr - 1] == NULL) { //Is an IN EP
dev_obj->mux_protected.ep_in[addr - 1] = pipe_hdl; dev_obj->mux_protected.ep_in[addr - 1] = pipe_hdl;
assigned = true; assigned = true;
} else if (dev_obj->mux_protected.ep_out[addr - 1] == NULL) { //Is an OUT EP } else if (!is_in && dev_obj->mux_protected.ep_out[addr - 1] == NULL) { //Is an OUT EP
dev_obj->mux_protected.ep_out[addr - 1] = pipe_hdl; dev_obj->mux_protected.ep_out[addr - 1] = pipe_hdl;
assigned = true; assigned = true;
} }