1 files changed, 120 insertions, 0 deletions
diff --git a/lib/lufa/Bootloaders/HID/HostLoaderApp_Python/hid_bootloader_loader.py b/lib/lufa/Bootloaders/HID/HostLoaderApp_Python/hid_bootloader_loader.py
new file mode 100644
index 000000000..cb824f582
--- /dev/null
+++ b/lib/lufa/Bootloaders/HID/HostLoaderApp_Python/hid_bootloader_loader.py
@@ -0,0 +1,120 @@
+"""
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+"""
+
+"""
+    Front-end programmer for the LUFA HID class bootloader.
+
+    Usage:
+        python hid_bootloader_loader.py <Device> <Input>.hex
+
+    Example:
+        python hid_bootloader_loader.py at90usb1287 Mouse.hex
+
+    Requires the pywinusb (https://pypi.python.org/pypi/pywinusb/) and
+    IntelHex (https://pypi.python.org/pypi/IntelHex/) libraries.
+"""
+
+import sys
+from pywinusb import hid
+from intelhex import IntelHex
+
+
+# Device information table
+device_info_map = dict()
+device_info_map['at90usb1287'] = {'page_size': 256, 'flash_kb': 128}
+device_info_map['at90usb1286'] = {'page_size': 256, 'flash_kb': 128}
+device_info_map['at90usb647']  = {'page_size': 256, 'flash_kb': 64}
+device_info_map['at90usb646']  = {'page_size': 256, 'flash_kb': 64}
+device_info_map['atmega32u4']  = {'page_size': 128, 'flash_kb': 32}
+device_info_map['atmega32u2']  = {'page_size': 128, 'flash_kb': 32}
+device_info_map['atmega16u4']  = {'page_size': 128, 'flash_kb': 16}
+device_info_map['atmega16u2']  = {'page_size': 128, 'flash_kb': 16}
+device_info_map['at90usb162']  = {'page_size': 128, 'flash_kb': 16}
+device_info_map['atmega8u2']   = {'page_size': 128, 'flash_kb': 8}
+device_info_map['at90usb82']   = {'page_size': 128, 'flash_kb': 8}
+
+
+def get_hid_device_handle():
+    hid_device_filter = hid.HidDeviceFilter(vendor_id=0x03EB,
+                                            product_id=0x2067)
+
+    valid_hid_devices = hid_device_filter.get_devices()
+
+    if len(valid_hid_devices) is 0:
+        return None
+    else:
+        return valid_hid_devices[0]
+
+
+def send_page_data(hid_device, address, data):
+    # Bootloader page data should be the HID Report ID (always zero) followed
+    # by the starting address to program, then one device's flash page worth
+    # of data
+    output_report_data = [0]
+    output_report_data.extend([address & 0xFF, address >> 8])
+    output_report_data.extend(data)
+
+    hid_device.send_output_report(output_report_data)
+
+
+def program_device(hex_data, device_info):
+    hid_device = get_hid_device_handle()
+
+    if hid_device is None:
+        print("No valid HID device found.")
+        sys.exit(1)
+
+    try:
+        hid_device.open()
+        print("Connected to bootloader.")
+
+        # Program in all data from the loaded HEX file, in a number of device
+        # page sized chunks
+        for addr in range(0, hex_data.maxaddr(), device_info['page_size']):
+            # Compute the address range of the current page in the device
+            current_page_range = range(addr, addr+device_info['page_size'])
+
+            # Extract the data from the hex file at the specified start page
+            # address and convert it to a regular list of bytes
+            page_data = [hex_data[i] for i in current_page_range]
+
+            print("Writing address 0x%04X-0x%04X" % (current_page_range[0], current_page_range[-1]))
+
+            # Devices with more than 64KB of flash should shift down the page
+            # address so that it is 16-bit (page size is guaranteed to be
+            # >= 256 bytes so no non-zero address bits are discarded)
+            if device_info['flash_kb'] < 64:
+                send_page_data(hid_device, addr, page_data)
+            else:
+                send_page_data(hid_device, addr >> 8, page_data)
+
+        # Once programming is complete, start the application via a dummy page
+        # program to the page address 0xFFFF
+        print("Programming complete, starting application.")
+        send_page_data(hid_device, 0xFFFF, [0] * device_info['page_size'])
+
+    finally:
+        hid_device.close()
+
+
+if __name__ == '__main__':
+    # Load the specified HEX file
+    try:
+        hex_data = IntelHex(sys.argv[2])
+    except:
+        print("Could not open the specified HEX file.")
+        sys.exit(1)
+
+    # Retrieve the device information entry for the specified device
+    try:
+        device_info = device_info_map[sys.argv[1]]
+    except:
+        print("Unknown device name specified.")
+        sys.exit(1)
+
+    program_device(hex_data, device_info)