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{
    "name": "IceShield",
    "description": "RIO-IceShield board for Raspberry PI4",
    "url": "https://github.com/multigcs/rio-iceshield",
    "pinimage": "board.png",
    "toolchain": "icestorm",
    "family": "ice40",
    "type": "up5k",
    "package": "sg48",
    "startup": "gpio mode 7 clock\ngpio clock 7 5000000",
    "flashcmd": "./spiflash.sh rio.bin",
    "clock": {
        "osc": "18000000",
        "speed": "29812000",
        "pin": "35"
    },

[code]cnc@raspberrypi:~/linuxcnc/configs/remora-nvem-basic$ ping 10.10.10.10
PING 10.10.10.10 (10.10.10.10) 56(84) bytes of data.
64 bytes from 10.10.10.10: icmp_seq=1 ttl=255 time=0.443 ms
64 bytes from 10.10.10.10: icmp_seq=2 ttl=255 time=0.143 ms
64 bytes from 10.10.10.10: icmp_seq=3 ttl=255 time=0.141 ms
^C
--- 10.10.10.10 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2029ms
rtt min/avg/max/mdev = 0.141/0.242/0.443/0.141 ms

[code]cnc@raspberrypi:~/linuxcnc/configs/remora-nvem-basic$ python3 upload_config.py  config.txt
Valid JSON config file, uploading to Novusun board
Config file length (words) = 134
Config file length (bytes) = 535
Remainder = 3
Padding added =  [0]
Config file length with padding (bytes) = 536
CRC-32 = 0x2bf84f80
Timeout waiting for traffic, retrying...
Timed-out waiting for traffic
resending last packet
Resending packet WRQ packet: filename = config mode = octet on sessions <tftpy.TftpStates.TftpStateSentWRQ object at 0x7fa39536d0>
Timeout waiting for traffic, retrying...
Timed-out waiting for traffic
resending last packet
Resending packet WRQ packet: filename = config mode = octet on sessions <tftpy.TftpStates.TftpStateSentWRQ object at 0x7fa39536d0>
Timeout waiting for traffic, retrying...
Timed-out waiting for traffic
Traceback (most recent call last):
  File "/home/cnc/.local/lib/python3.11/site-packages/tftpy/TftpContexts.py", line 171, in cycle
    (buffer, (raddress, rport)) = self.sock.recvfrom(MAX_BLKSIZE)
                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TimeoutError: timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/cnc/linuxcnc/configs/remora-nvem-basic/upload_config.py", line 72, in <module>
    client.upload("config", "/tmp/config.txt", timeout=30)
  File "/home/cnc/.local/lib/python3.11/site-packages/tftpy/TftpClient.py", line 101, in upload
    self.context.start()
  File "/home/cnc/.local/lib/python3.11/site-packages/tftpy/TftpContexts.py", line 325, in start
    self.cycle()
  File "/home/cnc/.local/lib/python3.11/site-packages/tftpy/TftpContexts.py", line 174, in cycle
    raise TftpTimeout("Timed-out waiting for traffic")
tftpy.TftpShared.TftpTimeout: Timed-out waiting for traffic