<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><span style="font-size: 14px;" class="">Hi,</span><div class=""><span style="font-size: 14px;" class=""><br class=""></span><div class=""><span style="font-size: 14px;" class="">To teach myself Swift, I’m writing my own version of librtlsdr (in Swift on MacOS). I’m confused about</span><span style="font-size: 14px;" class=""> the I2C interface between the RTL2832U and the R820T. It seems the first 16 registers of the R820T can be read but not any after that. I get a pipe stall when trying to read more than 16 bytes. Is this true or am I missing something? Is this why the shadow registers are used to maintain the state of the R820T’s registers?</span></div></div><div class=""><span style="font-size: 14px;" class=""><br class=""></span></div><div class=""><span style="font-size: 14px;" class="">Thanks</span></div><div class=""><span style="font-size: 14px;" class="">Chris</span></div></body></html>