diff options
Diffstat (limited to 'examples/host/device_info/src')
| -rw-r--r-- | examples/host/device_info/src/main.c | 33 | ||||
| -rw-r--r-- | examples/host/device_info/src/tusb_config.h | 6 |
2 files changed, 24 insertions, 15 deletions
diff --git a/examples/host/device_info/src/main.c b/examples/host/device_info/src/main.c index 775968c16..e924a137b 100644 --- a/examples/host/device_info/src/main.c +++ b/examples/host/device_info/src/main.c @@ -81,7 +81,7 @@ void init_freertos_task(void); //-------------------------------------------------------------------- // Main //-------------------------------------------------------------------- -void init_tinyusb(void) { +static void init_tinyusb(void) { // init host stack on configured roothub port tusb_rhport_init_t host_init = { .role = TUSB_ROLE_HOST, @@ -124,13 +124,18 @@ void tuh_mount_cb(uint8_t daddr) { } printf("Device %u: ID %04x:%04x SN ", daddr, desc.device.idVendor, desc.device.idProduct); - xfer_result = tuh_descriptor_get_serial_string_sync(daddr, LANGUAGE_ID, desc.serial, sizeof(desc.serial)); + + xfer_result = XFER_RESULT_FAILED; + if (desc.device.iSerialNumber != 0) { + xfer_result = tuh_descriptor_get_serial_string_sync(daddr, LANGUAGE_ID, desc.serial, sizeof(desc.serial)); + } if (XFER_RESULT_SUCCESS != xfer_result) { uint16_t* serial = (uint16_t*)(uintptr_t) desc.serial; - serial[0] = 'n'; - serial[1] = '/'; - serial[2] = 'a'; - serial[3] = 0; + serial[0] = (uint16_t) ((TUSB_DESC_STRING << 8) | (2 * 3 + 2)); + serial[1] = 'n'; + serial[2] = '/'; + serial[3] = 'a'; + serial[4] = 0; } print_utf16((uint16_t*)(uintptr_t) desc.serial, sizeof(desc.serial)/2); printf("\r\n"); @@ -150,16 +155,20 @@ void tuh_mount_cb(uint8_t daddr) { // Get String descriptor using Sync API printf(" iManufacturer %u ", desc.device.iManufacturer); - xfer_result = tuh_descriptor_get_manufacturer_string_sync(daddr, LANGUAGE_ID, desc.buf, sizeof(desc.buf)); - if (XFER_RESULT_SUCCESS == xfer_result) { - print_utf16((uint16_t*)(uintptr_t) desc.buf, sizeof(desc.buf)/2); + if (desc.device.iManufacturer != 0) { + xfer_result = tuh_descriptor_get_manufacturer_string_sync(daddr, LANGUAGE_ID, desc.buf, sizeof(desc.buf)); + if (XFER_RESULT_SUCCESS == xfer_result) { + print_utf16((uint16_t*)(uintptr_t) desc.buf, sizeof(desc.buf)/2); + } } printf("\r\n"); printf(" iProduct %u ", desc.device.iProduct); - xfer_result = tuh_descriptor_get_product_string_sync(daddr, LANGUAGE_ID, desc.buf, sizeof(desc.buf)); - if (XFER_RESULT_SUCCESS == xfer_result) { - print_utf16((uint16_t*)(uintptr_t) desc.buf, sizeof(desc.buf)/2); + if (desc.device.iProduct != 0) { + xfer_result = tuh_descriptor_get_product_string_sync(daddr, LANGUAGE_ID, desc.buf, sizeof(desc.buf)); + if (XFER_RESULT_SUCCESS == xfer_result) { + print_utf16((uint16_t*)(uintptr_t) desc.buf, sizeof(desc.buf)/2); + } } printf("\r\n"); diff --git a/examples/host/device_info/src/tusb_config.h b/examples/host/device_info/src/tusb_config.h index 5190b5b1f..e12970c12 100644 --- a/examples/host/device_info/src/tusb_config.h +++ b/examples/host/device_info/src/tusb_config.h @@ -74,9 +74,10 @@ // Enable Host stack #define CFG_TUH_ENABLED 1 +// #define CFG_TUH_MAX3421 1 // use max3421 as host controller + #if CFG_TUSB_MCU == OPT_MCU_RP2040 // #define CFG_TUH_RPI_PIO_USB 1 // use pio-usb as host controller - // #define CFG_TUH_MAX3421 1 // use max3421 as host controller // host roothub port is 1 if using either pio-usb or max3421 #if (defined(CFG_TUH_RPI_PIO_USB) && CFG_TUH_RPI_PIO_USB) || (defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421) @@ -109,8 +110,7 @@ // only hub class is enabled #define CFG_TUH_HUB 1 -// max device support (excluding hub device) -// 1 hub typically has 4 ports +// max device support (excluding hub device): 1 hub typically has 4 ports #define CFG_TUH_DEVICE_MAX (3*CFG_TUH_HUB + 1) #ifdef __cplusplus |