HIL add timeout for opening mtp device

Author: hathach

.github/workflows/build.yml

@@ -199,15 +199,18 @@ jobs:
     runs-on: [self-hosted, X64, hathach, hardware-in-the-loop]
     steps:
       - name: Clean workspace
+        if: github.run_attempt == '1'
         run: |
           echo "Cleaning up for the first run"
           rm -rf "${{ github.workspace }}"
           mkdir -p "${{ github.workspace }}"
 
       - name: Checkout TinyUSB
+        if: github.run_attempt == '1'
         uses: actions/checkout@v4
 
       - name: Download Artifacts
+        if: github.run_attempt == '1'
         uses: actions/download-artifact@v4
         with:
           path: cmake-build

docs/reference/getting_started.rst

@@ -178,7 +178,7 @@ By default log message is printed via on-board UART which is slow and take lots
   * Pros: work with most if not all MCUs
   * Software viewer is JLink RTT Viewer/Client/Logger which is bundled with JLink driver package.
 
-* ``LOGGER=swo``\ : Use dedicated SWO pin of ARM Cortex SWD debug header.
+* ``LOGGER=swo`` : Use dedicated SWO pin of ARM Cortex SWD debug header.
 
   * Cons: only work with ARM Cortex MCUs minus M0
   * Pros: should be compatible with more debugger that support SWO.

examples/device/mtp/src/usb_descriptors.c

@@ -143,7 +143,7 @@ char const *string_desc_arr[] =
   "TinyUsb",                     // 1: Manufacturer
   "TinyUsb Device",              // 2: Product
   NULL,                          // 3: Serials will use unique ID if possible
-  "TinyUSBB MTP",                // 4: MTP Interface
+  "TinyUSB MTP",                 // 4: MTP Interface
 };
 
 static uint16_t _desc_str[32 + 1];

test/hil/hil_test.py

@@ -42,8 +42,6 @@
 import ctypes
 from pymtp import MTP
 
-mtp = MTP()
-
 ENUM_TIMEOUT = 30
 
 STATUS_OK = "\033[32mOK\033[0m"
@@ -140,6 +138,19 @@ def read_disk_file(uid, lun, fname):
     return None
 
 
+def open_mtp_dev(uid):
+    mtp = MTP()
+    timeout = ENUM_TIMEOUT
+    while timeout > 0:
+        for raw in mtp.detect_devices():
+            mtp.device = mtp.mtp.LIBMTP_Open_Raw_Device(ctypes.byref(raw))
+            if mtp.device and mtp.get_serialnumber().decode('utf-8') == uid:
+                return mtp
+        time.sleep(1)
+        timeout -= 1
+    return None
+
+
 # -------------------------------------------------------------
 # Flashing firmware
 # -------------------------------------------------------------
@@ -505,19 +516,14 @@ def test_device_mtp(board):
     _null = os.open(os.devnull, os.O_WRONLY)
     os.dup2(_null, fd)
 
-    for raw in mtp.detect_devices():
-        mtp.device = mtp.mtp.LIBMTP_Open_Raw_Device(ctypes.byref(raw))
-        if mtp.device and mtp.get_serialnumber().decode('utf-8') == uid:
-            break
-        else:
-            mtp.device = None
+    mtp = open_mtp_dev(uid)
 
     # --- AFTER: restore stderr ---
     os.dup2(_saved, fd)
     os.close(_null)
     os.close(_saved)
 
-    if mtp.device is None:
+    if mtp is None or mtp.device is None:
         assert False, 'MTP device not found'
 
     assert b"TinyUSB" == mtp.get_manufacturer(), 'MTP wrong manufacturer'