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usbh: Stop enumeration gracefully if EP0 can't be open

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Signed-off-by: HiFiPhile <admin@hifiphile.com>
This commit is contained in:
HiFiPhile
2025-11-26 23:06:15 +01:00
parent c785469881
commit c05d809e3e
1 changed files with 11 additions and 2 deletions
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13
src/host/usbh.c
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@ -1575,7 +1575,11 @@ static void process_enumeration(tuh_xfer_t* xfer) {
// TODO probably doesn't need to open/close each enumeration
uint8_t const addr0 = 0;
TU_ASSERT(usbh_edpt_control_open(addr0, 8),);
if (!usbh_edpt_control_open(addr0, 8)) {
// Stop enumeration gracefully
enum_full_complete(false);
TU_ASSERT(false,);
}
// Get first 8 bytes of device descriptor for control endpoint size
TU_LOG_USBH("Get 8 byte of Device Descriptor\r\n");
@ -1613,7 +1617,12 @@ static void process_enumeration(tuh_xfer_t* xfer) {
usbh_device_close(dev0_bus->rhport, 0); // close dev0
TU_ASSERT(usbh_edpt_control_open(new_addr, new_dev->bMaxPacketSize0),); // open new control endpoint
if (!usbh_edpt_control_open(new_addr, new_dev->bMaxPacketSize0)) { // open new control endpoint
// Stop enumeration gracefully
clear_device(new_dev);
enum_full_complete(false);
TU_ASSERT(false,);
}
TU_LOG_USBH("Get Device Descriptor\r\n");
TU_ASSERT(tuh_descriptor_get_device(new_addr, _usbh_epbuf.ctrl, sizeof(tusb_desc_device_t),