diff options
Diffstat (limited to 'host/utils/usrp_n2xx_net_burner.py')
| -rwxr-xr-x | host/utils/usrp_n2xx_net_burner.py | 143 |
1 files changed, 134 insertions, 9 deletions
diff --git a/host/utils/usrp_n2xx_net_burner.py b/host/utils/usrp_n2xx_net_burner.py index 06af8c860..1df300c76 100755 --- a/host/utils/usrp_n2xx_net_burner.py +++ b/host/utils/usrp_n2xx_net_burner.py @@ -17,8 +17,6 @@ # # TODO: make it autodetect UHD devices -# TODO: you should probably watch sequence numbers -# TODO: validate images in 1) size and 2) header content so you can't write a Justin Bieber MP3 to Flash import optparse import math @@ -28,6 +26,8 @@ import struct import socket import sys import time +import platform +import subprocess ######################################################################## # constants @@ -54,6 +54,14 @@ FLASH_DATA_PACKET_SIZE = 256 FLASH_ARGS_FMT = '!LLLLL256s' FLASH_INFO_FMT = '!LLLLL256x' FLASH_IP_FMT = '!LLLL260x' +FLASH_HW_REV_FMT = '!LLLL260x' + +n2xx_revs = { + 0x0a00: ["n200_r3", "n200_r2"], + 0x0a10: ["n200_r4"], + 0x0a01: ["n210_r3", "n210_r2"], + 0x0a11: ["n210_r4"] + } class update_id_t: USRP2_FW_UPDATE_ID_WAT = ord(' ') @@ -72,6 +80,8 @@ class update_id_t: USRP2_FW_UPDATE_ID_KK_READ_TEH_FLASHES_OMG = ord('R') USRP2_FW_UPDATE_ID_RESET_MAH_COMPUTORZ_LOL = ord('s') USRP2_FW_UPDATE_ID_RESETTIN_TEH_COMPUTORZ_OMG = ord('S') + USRP2_FW_UPDATE_ID_I_CAN_HAS_HW_REV_LOL = ord('v') + USRP2_FW_UPDATE_ID_HERES_TEH_HW_REV_OMG = ord('V') USRP2_FW_UPDATE_ID_KTHXBAI = ord('~') _seq = -1 @@ -92,12 +102,18 @@ def unpack_flash_info_fmt(s): def unpack_flash_ip_fmt(s): return struct.unpack(FLASH_IP_FMT, s) #(proto_ver, pktid, seq, ip_addr) +def unpack_flash_hw_rev_fmt(s): + return struct.unpack(FLASH_HW_REV_FMT, s) #proto_ver, pktid, seq, hw_rev + def pack_flash_args_fmt(proto_ver, pktid, seq, flash_addr, length, data=bytes()): return struct.pack(FLASH_ARGS_FMT, proto_ver, pktid, seq, flash_addr, length, data) def pack_flash_info_fmt(proto_ver, pktid, seq, sector_size_bytes, memory_size_bytes): return struct.pack(FLASH_INFO_FMT, proto_ver, pktid, seq, sector_size_bytes, memory_size_bytes) +def pack_flash_hw_rev_fmt(proto_ver, pktid, seq, hw_rev): + return struct.pack(FLASH_HW_REV_FMT, proto_ver, pktid, seq, hw_rev) + def is_valid_fpga_image(fpga_image): for i in range(0,63): if fpga_image[i:i+1] == bytes(b'\xFF'): continue @@ -107,6 +123,96 @@ def is_valid_fpga_image(fpga_image): def is_valid_fw_image(fw_image): return fw_image[:4] == bytes(b'\x0B\x0B\x0B\x0B') + +######################################################################## +# interface discovery and device enumeration +######################################################################## +def get_interfaces(): + if(platform.system() is "Windows"): return win_get_interfaces() + else: return unix_get_interfaces() + +def unix_get_interfaces(): + ifconfig = subprocess.check_output("/sbin/ifconfig") + ip_addr_re = "cast\D*(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})" + bcasts = re.findall(ip_addr_re, ifconfig) + return bcasts + +def win_get_interfaces(): + from ctypes import Structure, windll, sizeof + from ctypes import POINTER, byref + from ctypes import c_ulong, c_uint, c_ubyte, c_char + MAX_ADAPTER_DESCRIPTION_LENGTH = 128 + MAX_ADAPTER_NAME_LENGTH = 256 + MAX_ADAPTER_ADDRESS_LENGTH = 8 + class IP_ADDR_STRING(Structure): + pass + LP_IP_ADDR_STRING = POINTER(IP_ADDR_STRING) + IP_ADDR_STRING._fields_ = [ + ("next", LP_IP_ADDR_STRING), + ("ipAddress", c_char * 16), + ("ipMask", c_char * 16), + ("context", c_ulong)] + class IP_ADAPTER_INFO (Structure): + pass + LP_IP_ADAPTER_INFO = POINTER(IP_ADAPTER_INFO) + IP_ADAPTER_INFO._fields_ = [ + ("next", LP_IP_ADAPTER_INFO), + ("comboIndex", c_ulong), + ("adapterName", c_char * (MAX_ADAPTER_NAME_LENGTH + 4)), + ("description", c_char * (MAX_ADAPTER_DESCRIPTION_LENGTH + 4)), + ("addressLength", c_uint), + ("address", c_ubyte * MAX_ADAPTER_ADDRESS_LENGTH), + ("index", c_ulong), + ("type", c_uint), + ("dhcpEnabled", c_uint), + ("currentIpAddress", LP_IP_ADDR_STRING), + ("ipAddressList", IP_ADDR_STRING), + ("gatewayList", IP_ADDR_STRING), + ("dhcpServer", IP_ADDR_STRING), + ("haveWins", c_uint), + ("primaryWinsServer", IP_ADDR_STRING), + ("secondaryWinsServer", IP_ADDR_STRING), + ("leaseObtained", c_ulong), + ("leaseExpires", c_ulong)] + GetAdaptersInfo = windll.iphlpapi.GetAdaptersInfo + GetAdaptersInfo.restype = c_ulong + GetAdaptersInfo.argtypes = [LP_IP_ADAPTER_INFO, POINTER(c_ulong)] + adapterList = (IP_ADAPTER_INFO * 10)() + buflen = c_ulong(sizeof(adapterList)) + rc = GetAdaptersInfo(byref(adapterList[0]), byref(buflen)) + if rc == 0: + for a in adapterList: + adNode = a.ipAddressList + while True: + #convert ipAddr and ipMask into hex addrs that can be turned into a bcast addr + ipAddr = adNode.ipAddress.decode() + ipMask = adNode.ipMask.decode() + if ipAddr and ipMask: + hexAddr = struct.unpack("<L", socket.inet_aton(ipAddr))[0] + hexMask = struct.unpack("<L", socket.inet_aton(ipMask))[0] + if(hexAddr and hexMask): #don't broadcast on 255.255.255.255, that's just lame + yield socket.inet_ntoa(struct.pack("<L", (hexAddr & hexMask) | (~hexMask) & 0xFFFFFFFF)) + adNode = adNode.next + if not adNode: + break + +def enumerate_devices(): + for bcast_addr in get_interfaces(): + sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) + sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1) + sock.settimeout(0.1) + out_pkt = pack_flash_args_fmt(USRP2_FW_PROTO_VERSION, update_id_t.USRP2_FW_UPDATE_ID_OHAI_LOL, 0, 0, 0) + sock.sendto(out_pkt, (bcast_addr, UDP_FW_UPDATE_PORT)) + still_goin = True + while(still_goin): + try: + pkt = sock.recv(UDP_MAX_XFER_BYTES) + (proto_ver, pktid, rxseq, ip_addr) = unpack_flash_ip_fmt(pkt) + if(pktid == update_id_t.USRP2_FW_UPDATE_ID_OHAI_OMG): + yield socket.inet_ntoa(struct.pack("<L", socket.ntohl(ip_addr))) + except socket.timeout: + still_goin = False + ######################################################################## # Burner class, holds a socket and send/recv routines ######################################################################## @@ -117,6 +223,7 @@ class burner_socket(object): self._sock.connect((addr, UDP_FW_UPDATE_PORT)) self.set_callbacks(lambda *a: None, lambda *a: None) self.init_update() #check that the device is there + self.get_hw_rev() def set_callbacks(self, progress_cb, status_cb): self._progress_cb = progress_cb @@ -137,14 +244,19 @@ class burner_socket(object): else: raise Exception("Invalid reply received from device.") - # print "Incoming:\n\tVer: %i\n\tID: %c\n\tSeq: %i\n\tIP: %i\n" % (proto_ver, chr(pktid), rxseq, ip_addr) + def get_hw_rev(self): + out_pkt = pack_flash_hw_rev_fmt(USRP2_FW_PROTO_VERSION, update_id_t.USRP2_FW_UPDATE_ID_I_CAN_HAS_HW_REV_LOL, seq(), 0) + in_pkt = self.send_and_recv(out_pkt) + (proto_ver, pktid, rxseq, hw_rev) = unpack_flash_hw_rev_fmt(in_pkt) + if(pktid != update_id_t.USRP2_FW_UPDATE_ID_HERES_TEH_HW_REV_OMG): hw_rev = 0 + return socket.ntohs(hw_rev) memory_size_bytes = 0 sector_size_bytes = 0 def get_flash_info(self): if (self.memory_size_bytes != 0) and (self.sector_size_bytes != 0): return (self.memory_size_bytes, self.sector_size_bytes) - + out_pkt = pack_flash_args_fmt(USRP2_FW_PROTO_VERSION, update_id_t.USRP2_FW_UPDATE_ID_WATS_TEH_FLASH_INFO_LOL, seq(), 0, 0) in_pkt = self.send_and_recv(out_pkt) @@ -157,10 +269,16 @@ class burner_socket(object): def burn_fw(self, fw, fpga, reset, safe): (flash_size, sector_size) = self.get_flash_info() + hw_rev = self.get_hw_rev() - print("Flash size: %i\nSector size: %i\n\n" % (flash_size, sector_size)) + if(hw_rev != 0): print("Hardware type: %s" % n2xx_revs[hw_rev][0]) + print("Flash size: %i\nSector size: %i\n" % (flash_size, sector_size)) if fpga: + #validate fpga image name against hardware rev + if(hw_rev != 0 and not any(name in fpga for name in n2xx_revs[hw_rev])): + raise Exception("Error: incorrect FPGA image version. Please use the correct image for device %s" % n2xx_revs[hw_rev][0]) + if safe: image_location = SAFE_FPGA_IMAGE_LOCATION_ADDR else: image_location = PROD_FPGA_IMAGE_LOCATION_ADDR @@ -172,7 +290,7 @@ class burner_socket(object): if not is_valid_fpga_image(fpga_image): raise Exception("Error: Invalid FPGA image file.") - + if (len(fpga_image) + image_location) > flash_size: raise Exception("Error: Cannot write past end of device") @@ -196,7 +314,7 @@ class burner_socket(object): if not is_valid_fw_image(fw_image): raise Exception("Error: Invalid firmware image file.") - + if (len(fw_image) + image_location) > flash_size: raise Exception("Error: Cannot write past end of device") @@ -218,7 +336,7 @@ class burner_socket(object): (mem_size, sector_size) = self.get_flash_info() if (addr + len(writedata)) > mem_size: raise Exception("Error: Cannot write past end of device") - + while writedata: out_pkt = pack_flash_args_fmt(USRP2_FW_PROTO_VERSION, update_id_t.USRP2_FW_UPDATE_ID_WRITE_TEH_FLASHES_LOL, seq(), addr, FLASH_DATA_PACKET_SIZE, writedata[:FLASH_DATA_PACKET_SIZE]) in_pkt = self.send_and_recv(out_pkt) @@ -305,7 +423,7 @@ class burner_socket(object): (flash_size, sector_size) = self.get_flash_info() if (addr + length) > flash_size: raise Exception("Cannot erase past end of device") - + out_pkt = pack_flash_args_fmt(USRP2_FW_PROTO_VERSION, update_id_t.USRP2_FW_UPDATE_ID_ERASE_TEH_FLASHES_LOL, seq(), addr, length) in_pkt = self.send_and_recv(out_pkt) @@ -342,6 +460,7 @@ def get_options(): parser.add_option("--reset", action="store_true", help="reset the device after writing", default=False) parser.add_option("--read", action="store_true", help="read to file instead of write from file", default=False) parser.add_option("--overwrite-safe", action="store_true", help="never ever use this option", default=False) + parser.add_option("--list", action="store_true", help="list possible network devices", default=False) (options, args) = parser.parse_args() return options @@ -351,6 +470,12 @@ def get_options(): ######################################################################## if __name__=='__main__': options = get_options() + + if options.list: + print('Possible network devices:') + print(' ' + '\n '.join(enumerate_devices())) + exit() + if not options.addr: raise Exception('no address specified') if not options.fpga and not options.fw and not options.reset: raise Exception('Must specify either a firmware image or FPGA image, and/or reset.') |