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host device info print no serial as 0 instead of n/a

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This commit is contained in:
hathach
2026-01-08 16:06:58 +07:00
parent d7e715d5c2
commit 64ca0b9d58
2 changed files with 7 additions and 9 deletions
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7
examples/dual/host_info_to_device_cdc/src/main.c
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@ -246,10 +246,9 @@ static void print_device_info(uint8_t daddr, const tusb_desc_device_t* desc_devi
cdc_printf("Device %u: ID %04x:%04x SN ", daddr, desc_device->idVendor, desc_device->idProduct);
uint8_t xfer_result = tuh_descriptor_get_serial_string_sync(daddr, LANGUAGE_ID, serial, sizeof(serial));
if (XFER_RESULT_SUCCESS != xfer_result) {
serial[0] = 'n';
serial[1] = '/';
serial[2] = 'a';
serial[3] = 0;
serial[0] = (uint16_t)((TUSB_DESC_STRING << 8) | (2 * 1 + 2));
serial[1] = '0';
serial[2] = 0;
}
print_utf16(serial, TU_ARRAY_SIZE(serial));
cdc_printf("\r\n");

9
examples/host/device_info/src/main.c
View File

@ -130,11 +130,10 @@ void tuh_mount_cb(uint8_t daddr) {
}
if (XFER_RESULT_SUCCESS != xfer_result) {
uint16_t* serial = (uint16_t*)(uintptr_t) desc.serial;
serial[0] = (uint16_t) ((TUSB_DESC_STRING << 8) | (2 * 3 + 2));
serial[1] = 'n';
serial[2] = '/';
serial[3] = 'a';
serial[4] = 0;
serial[0] = (uint16_t)((TUSB_DESC_STRING << 8) | (2 * 1 + 2));
serial[1] = '0'; // simply 0
serial[2] = 0;
}
print_utf16((uint16_t*)(uintptr_t) desc.serial, sizeof(desc.serial)/2);
printf("\r\n");