srmio A small C library to access the PowerControl V of a SRM bike power meter
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Power meter bike PowerControl V power meter

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A small C library to access the PowerControl V of a SRM bike power meter srmio is a little C library to access the PowerControl V of a SRM bike power meter. As the original usb2serial download cable is supported by linux, it's implementing the serial communication protocol to the PC.Furthermore it's supporting reading and writing the original SRM file formats SRM6 and SRM7. This allows it to nicely coexist with existing software like srmwin or Golden Cheetah.The package includes a small command-line frontend for the most important, daily tasks. If you're a script guy, you're finally able to automate sending the recordings to your coach.For now this is in an early stage. I can successfully access 2 different PCV (each running a different Firmware version). Though srmwin had to clean their settings several times while I was investigating the protocol. I've actually switched from srmwin for daily downloadsSo far only the most important things (data download, setting the time + recint) are implemented. So you still need srmwin for the more "exotic" tasks. Here are some key features of "srmio": · added option to override PCV Version whitelist · don't skip complete block on empty chunk. · changed internal time representation to srm_time_t. got rid of .tsec. · optionally fill mini-gaps at block-bounaries as srmin does. · internal: srmpc_get_data/-_chunks now pass parameters as struct · use PCV time to guess "current" year when downloading data · first attempt to fix timestamps for subsecond recints · try other baudrates/parity in srmpc_open

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