Matt/Rob Thanks for feedback and encouragement. I will swat up some more on the SD card command implications as discussed and obviously run some test code. I must as you suggested earlier Matt give SD Card specification 2.0 a thorough read.
If I can later contribute any helpfull code I will certainly submit it for scrutiny. Kind Regards Dave Paxton On Saturday, 3 November 2012 01:08:03 UTC, mattschinkel wrote: > > >> As I understand it using CMD13 would let us check the card status > register to establish that the card had in fact > >> entered idle state but without causing a state change itself. > >> The card state should not change as a result of issuing a CMD13. Hope > this makes sense. > > This sounds good, and I may have only used CMD1 because it is a simple > command that I knew, and just wanted to check that the card would give a > correct response. > > So... try out CMD 13, see if it works and improves the library. Maybe it's > faster as you say. If your tests go well, I can add your code to the lib. > > I assume you cannot use CMD13 while you are in the middle of a read or > write, and therefore will need to change the state before using this > command. > > stopwatch lib is great for testing speed, maybe compair the speed of CMD13 > vs CMD1 with response checks. > > It is great to have someone interested in library improvements :) > > Matt. > > > -- You received this message because you are subscribed to the Google Groups "jallib" group. To view this discussion on the web visit https://groups.google.com/d/msg/jallib/-/EAWceNSH4IAJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/jallib?hl=en.
