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authorhathach <[email protected]>2025-09-30 22:44:58 +0700
committerhathach <[email protected]>2025-09-30 22:44:58 +0700
commit732d4a8c97a667dd3784f3b8a664850fa0d767d8 (patch)
tree5aaffe2edfbd2b22d1aaa0818a0ba3215b27f1c1 /examples
parentff492dc2b6c9da4fc6ab7f080435a5cb3e7be1c4 (diff)
fix serial, try to test mtp with hil
Diffstat (limited to 'examples')
-rw-r--r--examples/device/mtp/src/mtp_fs_example.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/examples/device/mtp/src/mtp_fs_example.c b/examples/device/mtp/src/mtp_fs_example.c
index d47ec41b8..4914661bb 100644
--- a/examples/device/mtp/src/mtp_fs_example.c
+++ b/examples/device/mtp/src/mtp_fs_example.c
@@ -354,8 +354,8 @@ static int32_t fs_get_device_info(tud_mtp_cb_data_t* cb_data) {
mtp_container_add_cstring(io_container, DEV_INFO_VERSION);
uint16_t serial_utf16[32];
- board_usb_get_serial(serial_utf16, 32);
- serial_utf16[31] = 0; // ensure null termination
+ size_t nchars = board_usb_get_serial(serial_utf16, 32);
+ serial_utf16[tu_min32(nchars, 31u)] = 0; // ensure null termination
mtp_container_add_string(io_container, serial_utf16);
tud_mtp_data_send(io_container);