XDS110 MCP Server

#!/usr/bin/env python3 """ Simple XDS110 test using direct USB access to read device info """ import usb.core import usb.util import struct import time # XDS110 USB IDs VENDOR_ID = 0x0451 PRODUCT_ID = 0xbef3 def find_xds110(): """Find XDS110 device""" dev = usb.core.find(idVendor=VENDOR_ID, idProduct=PRODUCT_ID) if dev is None: print("XDS110 not found via USB") return None print(f"XDS110 found!") print(f" Manufacturer: {usb.util.get_string(dev, dev.iManufacturer)}") print(f" Product: {usb.util.get_string(dev, dev.iProduct)}") print(f" Serial: {usb.util.get_string(dev, dev.iSerialNumber)}") print(f" Configuration: {dev.get_active_configuration()}") return dev def get_device_info(dev): """Get device configuration info""" print("\nDevice Information:") print(f" bcdUSB: {hex(dev.bcdUSB)}") print(f" bDeviceClass: {dev.bDeviceClass}") print(f" bDeviceSubClass: {dev.bDeviceSubClass}") print(f" bDeviceProtocol: {dev.bDeviceProtocol}") print(f" bMaxPacketSize0: {dev.bMaxPacketSize0}") print(f" bcdDevice: {hex(dev.bcdDevice)}") # List all configurations for cfg in dev: print(f"\n Configuration {cfg.bConfigurationValue}:") for intf in cfg: print(f" Interface {intf.bInterfaceNumber}:") print(f" Class: {intf.bInterfaceClass}") print(f" SubClass: {intf.bInterfaceSubClass}") print(f" Protocol: {intf.bInterfaceProtocol}") for ep in intf: print(f" Endpoint {hex(ep.bEndpointAddress)}:") print(f" Type: {ep.bmAttributes & 0x03}") print(f" Max packet size: {ep.wMaxPacketSize}") def try_cmsis_dap(dev): """Try to communicate via CMSIS-DAP protocol""" print("\nTrying CMSIS-DAP communication...") # CMSIS-DAP typically uses bulk endpoints # Standard CMSIS-DAP commands CMD_DAP_INFO = 0x00 CMD_DAP_CONNECT = 0x02 CMD_DAP_DISCONNECT = 0x03 CMD_DAP_TRANSFER = 0x05 CMD_DAP_SWD_CONFIGURE = 0x13 # Try to find bulk endpoints cfg = dev.get_active_configuration() for intf in cfg: if intf.bInterfaceClass == 0xFF: # Vendor specific class (common for debug probes) print(f" Found vendor-specific interface: {intf.bInterfaceNumber}") # Find bulk IN and OUT endpoints ep_in = None ep_out = None for ep in intf: if ep.bmAttributes & 0x03 == 0x02: # Bulk endpoint if ep.bEndpointAddress & 0x80: # IN endpoint ep_in = ep print(f" Found bulk IN endpoint: {hex(ep.bEndpointAddress)}") else: # OUT endpoint ep_out = ep print(f" Found bulk OUT endpoint: {hex(ep.bEndpointAddress)}") if ep_in and ep_out: try: # Try to claim interface if dev.is_kernel_driver_active(intf.bInterfaceNumber): print(f" Detaching kernel driver from interface {intf.bInterfaceNumber}") dev.detach_kernel_driver(intf.bInterfaceNumber) # Set configuration dev.set_configuration() # Try DAP_INFO command cmd = bytes([CMD_DAP_INFO, 0x01]) # Get Vendor Name cmd = cmd + b'\x00' * (64 - len(cmd)) # Pad to 64 bytes print(f" Sending DAP_INFO command...") ep_out.write(cmd) # Read response response = ep_in.read(64, timeout=1000) print(f" Response: {response.hex()}") # Try to parse response if it looks valid if response[0] == CMD_DAP_INFO: length = response[1] if length > 0: info = response[2:2+length].decode('utf-8', errors='ignore') print(f" Vendor: {info}") except Exception as e: print(f" CMSIS-DAP communication failed: {e}") def read_uptime_registers(): """ Try to read typical uptime/counter registers on TMS320F280039C These are usually in the System Control registers """ print("\nAttempting to read system registers...") print("Note: Direct USB access to processor registers requires proper debug protocol implementation") print("For TMS320F280039C, common system registers include:") print(" - SYSCLKOUT: System clock counter") print(" - CPUTIMER0: CPU Timer 0 counter (often used for uptime)") print(" - Address 0x0C00: Timer 0 counter register") print(" - Address 0x0C04: Timer 0 period register") print(" - Address 0x0C06: Timer 0 control register") return None if __name__ == "__main__": print("=== XDS110 Simple Test ===\n") # Find XDS110 dev = find_xds110() if dev is None: print("\nPlease ensure XDS110 is connected") exit(1) # Get device information get_device_info(dev) # Try CMSIS-DAP protocol try_cmsis_dap(dev) # Try to read uptime registers (would need proper debug protocol) read_uptime_registers() print("\nNote: Full processor access requires proper DSS/OpenOCD setup") print("The XDS110 is detected and accessible via USB!")