Bug #2605
closedIC-T70A does not work with FTDI cable at all
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Description
I have an Icom IC-T70A and a Genuine FTDI USB cable that supports OPC-i478 from reputable seller. Unfortunately, I keep getting an error downloading from the radio. "Failed to communicate with the radio: Unexpected response from radio". As device manager says the COM port is ok, I'm suspecting something else is going on. The USB serial cable is properly detected by my Mac OSX v10.10.3 as a USB serial device. The device properly appears in the OS as /dev/cu.usbserial-A9030T4G. I tried a couple versions of Chirp and used this device path. In my tests I tried downloading from the radio both by specifying Icom / IC-T70 and then Icom / Autodetect. Both setting resulted in failure to communicate with the radio. The radio then begins to cycle memory channels after the download fails. I have attached the Chirp debug log from a recent daily build 2015-05-02. I tried an older build from a year ago from 2014-12-15 with the same results. I have also noticed a few bugs around this radio and wondering if perhaps an older Chirp build works correctly. I am able to successfully program a Baofeng BF-F8HP+ (UV-5R) with FTDI cable.
I have also tried the same test under Windows XP in VirtualBox using FTDI drivers from FTDI with the same results. The USB port was shared in VirtualBox and properly detected by device manager. I have also tried a genuine Prolific cable as well with the same results.
I'm suspecting there is an issue with the protocol implementation talking to this radio given that multiple operating systems, cables and Chirp revisions. Any insight appreciated in getting this working or identifying a Chirp version that was previously known to work with this radio.
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