4 Commits

Author	SHA1	Message	Date
ziggurat29	bb7a579681	fleshed out rest of fileops interface; read now takes into consideration current file position (so the display can be read in multiple operations, and indiate EOF correctly), seek (really just to facilitate rewind), and unlink (to facilitate dropping from system at runtime).	2016-05-29 14:53:37 -05:00
ziggurat29	4643fcdfd8	correct logic hazard in latch and load nybble; was transitioning control lines at the same time as enable, causing spurious behaviour on less-tolerant displays ... improve timing parameters in init sequences for better display compatibility correct (row,col) -> address calculation; affects 4-line displays update comments in header and readme	2016-05-29 11:09:00 -05:00
Gregory Nutt	d58e4acf17	Remove whitespace from the end of lines	2016-05-25 08:48:55 -06:00
Gregory Nutt	51504a032e	Oops... forgot to add PCF8574 LCD Backpack files before doing the commit.	2016-05-25 08:48:54 -06:00