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Merge branch 'fix/usb_msc_disconnect_v5.2' into 'release/v5.2'

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fix(usb/host): Fixed crash on MSC disk disconnection

See merge request espressif/esp-idf!29507
This commit is contained in:
morris
2024-03-11 21:16:17 +08:00
parent 64cbabffd4 6f46cd332e
commit c7d2134d7b
1 changed files with 4 additions and 2 deletions
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6
examples/peripherals/usb/host/msc/main/msc_example_main.c
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@ -1,5 +1,5 @@
/* /*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD * SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
* *
* SPDX-License-Identifier: Unlicense OR CC0-1.0 * SPDX-License-Identifier: Unlicense OR CC0-1.0
*/ */
@ -217,17 +217,19 @@ static void usb_task(void *args)
}; };
ESP_ERROR_CHECK(msc_host_install(&msc_config)); ESP_ERROR_CHECK(msc_host_install(&msc_config));
bool has_clients = true;
while (true) { while (true) {
uint32_t event_flags; uint32_t event_flags;
usb_host_lib_handle_events(portMAX_DELAY, &event_flags); usb_host_lib_handle_events(portMAX_DELAY, &event_flags);
// Release devices once all clients has deregistered // Release devices once all clients has deregistered
if (event_flags & USB_HOST_LIB_EVENT_FLAGS_NO_CLIENTS) { if (event_flags & USB_HOST_LIB_EVENT_FLAGS_NO_CLIENTS) {
has_clients = false;
if (usb_host_device_free_all() == ESP_OK) { if (usb_host_device_free_all() == ESP_OK) {
break; break;
}; };
} }
if (event_flags & USB_HOST_LIB_EVENT_FLAGS_ALL_FREE) { if (event_flags & USB_HOST_LIB_EVENT_FLAGS_ALL_FREE && !has_clients) {
break; break;
} }
} }