diff options
Diffstat (limited to 'host/utils/usrp_n2xx_net_burner.py')
| -rwxr-xr-x | host/utils/usrp_n2xx_net_burner.py | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/host/utils/usrp_n2xx_net_burner.py b/host/utils/usrp_n2xx_net_burner.py index 0b64f2008..6c2939cd4 100755 --- a/host/utils/usrp_n2xx_net_burner.py +++ b/host/utils/usrp_n2xx_net_burner.py @@ -139,16 +139,21 @@ class burner_socket(object): # print "Incoming:\n\tVer: %i\n\tID: %c\n\tSeq: %i\n\tIP: %i\n" % (proto_ver, chr(pktid), rxseq, ip_addr) + 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) - (proto_ver, pktid, rxseq, sector_size_bytes, memory_size_bytes) = unpack_flash_info_fmt(in_pkt) + (proto_ver, pktid, rxseq, self.sector_size_bytes, self.memory_size_bytes) = unpack_flash_info_fmt(in_pkt) if pktid != update_id_t.USRP2_FW_UPDATE_ID_HERES_TEH_FLASH_INFO_OMG: raise Exception("Invalid reply %c from device." % (chr(pktid))) - return (memory_size_bytes, sector_size_bytes) + return (self.memory_size_bytes, self.sector_size_bytes) def burn_fw(self, fw, fpga, reset, safe): (flash_size, sector_size) = self.get_flash_info() @@ -167,6 +172,9 @@ 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") print("Begin FPGA write: this should take about 1 minute...") start_time = time.time() @@ -188,6 +196,9 @@ 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") print("Begin firmware write: this should take about 1 second...") start_time = time.time() @@ -204,6 +215,10 @@ class burner_socket(object): self._status_cb("Writing") writedata = image #we split the image into smaller (256B) bits and send them down the wire + (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) @@ -287,6 +302,10 @@ class burner_socket(object): def erase_image(self, addr, length): self._status_cb("Erasing") #get flash info first + (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) |