I can hook it up and try again, but it sounds like a power issue. I did have it working, but I think I've only tried with external power.
just a guess, but It could also be a timing issue with when USB and SD card is initialized, as external power may keep the sd card on. Matt. On Friday, June 3, 2016 at 12:41:43 PM UTC-4, Guido Jones wrote: > > > <https://lh3.googleusercontent.com/-ICfTjsfCSWA/V1GzC1j01rI/AAAAAAAAAB0/nmj6pX1I7xU7IY0qskMS49Ky3eKTWJU7gCLcB/s1600/JALLIB-SDC-WIN10_error-2.jpg> > > > <https://lh3.googleusercontent.com/-dhHcpeEV7rU/V1GzEtst5GI/AAAAAAAAAB8/icwzZBk_0IEULtucKdOzabVv6fK6LS-6gCLcB/s1600/JALLIB-SDC-WIN10_error-3.jpg> > > > <https://lh3.googleusercontent.com/-bSPy5bNXs98/V1GzAF6-xHI/AAAAAAAAABs/ZVF0Ah2UwEQBWXW8mztJtSZX8Qr9XzEDQCLcB/s1600/JALLIB-SDC-WIN10_error-1.jpg> > OK, tried a completely new 18F26J50 board (a custom SMD application I made > a while ago), and using SPI2 I get *almost *the same result: > > - When externally powered the SD card is recognized and the directory is > read correctly. > > - When connected to the USB the generic Mass Storage Device is recognized > and added to the Device Manager, but the associated drive letter is never > assigned. > > > FYI, if no card is inserted, the Mass Storage Device is *not *added to > the Device Manager, so it's not an issue of card detection or having a > valid card present (it passes that test when present). > > Something odd is going on in how Windows interacts with the MSD library. > I've attached Windows 10 screenshots of the errors that *both *boards > produced, with completely different set-ups. > > > Has anyone categorically got Mass Storage working with any of the > USB-enabled 18F PICs? > -- You received this message because you are subscribed to the Google Groups "jallib" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/jallib. For more options, visit https://groups.google.com/d/optout.
