note potential issues using ep_desc in hcd_edpt_open()

This commit is contained in:
Joel Michael
2025-04-16 20:26:35 +10:00
parent b8d3c0c4a8
commit 0d2c08efd7

View File

@@ -116,6 +116,10 @@ void hcd_device_close(uint8_t rhport, uint8_t dev_addr) {
bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const * ep_desc) {
(void) rhport;
(void) dev_addr;
// NOTE: ep_desc is allocated on the stack when called from usbh_edpt_control_open()
// If you need to persist any ep_desc values across HCD calls (eg ep_desc->wMaxPacketSize),
// then you need to copy the data into another variable inside this function.
(void) ep_desc;
return false;