Is there any support of java or C/C++ API for recent version : Ledger Nano S ?
I've seen Javascript and chrome embeded version, not well documented, but for C/C++ or java, it is only BTChip obsolete version...

Github have much projects, but documentation is brutal... It seems all i need would be a "Howto" setup the dev env,  a helloworld for the HID transport layer, and a reference documentation for the service (the app managing the secondary passphrase). BTChip java APi was good enought, so i could contact the Nano via WinUSB+usb4java, but even getFirmwareVersion is not compatible...