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Getting Error: Failed to Verify the Serial Link is Connected 
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Joined: Mon Jul 27, 2015 9:15 pm
Posts: 1
Post Getting Error: Failed to Verify the Serial Link is Connected
Hello,

I am using RobotC software version 4.32 and am attempting to download code to a Vex IQ robot controller/brain that has recently been updated to V1.15 firmware. We've successfully done this on another brain and, for some reason, are having problems repeating it on two other brains. We can't figure out why it works for one brain but not the others. Please see the character log when we try to download a program into the brain (below). Thanks in advance for any help you can provide!!!


204.185 'CController' Constructor called for port 'COM6'; link type 'Vex IQ USB-to-Serial'
204.186 Opened COM port 'COM6'

204.187 Setup serial comm link for 'Open File' at 115.2K baud, parity 'None' completed.

204.187 COM port '010D9490' Device: "COM6" Notification: 'Registered'
204.187 Purge 'RX and TX' buffer

204.233 Send cmd: 'VEX IQ Serial Query' Data: C9 36 B8 47 21 00
204.233 Purge 'RX and TX' buffer
204.233 Write 'C9 36 B8 47 21 00'
204.233 Starting elapsed timer for 'Wait for message responses' of '100' msec
204.233 *Read* 14 chars (0 existing, 14 more expected). AA 55 21 0A 00 00 01 0F 00 00 01 01 01 04
204.233 Reply cmd: 'VEX IQ Serial Query' Data: AA 55 21 0A 00 00 01 0F 00 00 01 01 01 04
Brain CPU F/W: 1.15
Game Controller CPU F/W: 0.00
Bootloader CPU F/W: 1.01
I2C Device Firmware: All up-to-date
Radio Status: Not Linked
User Program: Inactive

204.235 Send cmd: 'VEX IQ Query VTOC' Slot: 2; Data: C9 36 B8 47 61 01 02
204.235 Purge 'RX and TX' buffer
204.235 Write 'C9 36 B8 47 61 01 02'
204.236 Starting elapsed timer for 'Wait for message responses' of '100' msec
204.236 *Read* 33 chars (0 existing, 33 more expected). AA 55 61 21 FF FF FF FF 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
204.236 Reply cmd: 'VEX IQ Query VTOC' Data: AA 55 61 21 FF FF FF FF 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Slot: 0
Slot is empty
204.236 Failed to verify that the serial link is connected to a Robot Controller.

206.007 COM port '010D9490' Device: "COM6" Notification: 'Unregistered'
206.007 Destructor called for 'CCommLinkHandler' port 'COM6'
206.009 Destroying window


Mon Jul 27, 2015 9:33 pm
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