Rokicki’s SD object is GREAT!
December 30th, 2006I wrote a quick and dirty demo program for it that lists the files on an SD card’s root directory, and then shows the first five lines of text in the last file.
WOHOOO!!!!
I have unlimited (for all intents and purposes) storage for my Propellers!!!!!
‘ testsd.spin – quick test program of rokicki’s SD routines
‘
‘ I tested with two files on the card, the fsrw.spin file, and the README.TXT file
‘ as you can see, it works 🙂
‘
‘ Enjoy!
‘
‘ Bill Henning
CON
_clkmode = xtal1 + pll16x
_xinfreq = 5_000_000
obj
tv: “tv_text”
fs: “fsrw”
var
byte filename[12]
pub start | i, ch, lines
‘ mount the SD card
fs.mount(0)
‘start tv terminal
tv.start(12)
‘write intro message
tv.str(string(“*** SDIO Demo program. List files ***”,13,13))
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‘open the directory
fs.opendir
‘print the name of each file
repeat
if fs.nextfile(@filename)
tv.str(string(13,”*** THEN SHOW 5 LINES OF LAST FILE ***”,13))
quit
else
tv.str(@filename)
tv.out(13)
‘open last file listed
fs.popen(@filename,”r”)
ch := 0
lines := 0
‘ show text characters in it
repeat while (ch > -1) & (lines < 6)
ch := fs.pgetc
if ((ch > 31)&(ch<128)) | (ch == 13)
tv.out(ch)
if (ch == 13)
lines++
Would you believe my blog software won’t let me upload ‘.spin’ files as a potential security risk? I’ll upload it after I zip it. I also uploaded it as an attachment on the Parallax Propeller Forum.
Best,
Bill
