Hi Kyle, I've tried it and is seems to work: declaring and using an alias for a pseudo-variable. But just to make sure, is this 'legal39;? Regards, Rob. -- Rob...
26963
Fabian Pedrosa
pendor2k
Jul 1, 2009 11:12 am
Hans, May you give more details about the hardware you are using, please? This subject interests me a lot. Thanx. Fabián ...
26964
jallist@yahoogroups.com
Jul 1, 2009 11:36 am
1 The very beginning: JAL FAQ version 1.0 March 23, 2008 1 1.1 JAL? PIC? Where do I start? 1 1.2 Where to get JAL? 1 1.3 Which PIC? 2 1.4 What's all this JAL...
26965
hansvanveldhuizen
hansvanveldh...
Jul 1, 2009 7:14 pm
Have forgotten to say that the hardware I use can be find on : http://www.cc5x.de/MMC/index.html The publisher of this info agrees with my attempts to use it...
26966
zmafoox
Jul 3, 2009 5:50 am
Greetings, ... I'd never thought about it. I suppose there's no reason it shouldn't work. --kyle...
26967
matthewschinkel
Jul 3, 2009 7:25 am
Just wondering.. Why are you using fat 16 not fat32? I am working with hard drives, I wish we could make a fat32 lib for all types of media. Matt....
26968
Rob Hamerling
digithalys
Jul 3, 2009 9:10 am
Hi Kyle, [RobH] ... [Kyle] ... Some background info for my question: Some PICs (esp. in the baseline) have no memory mapped TRISIO register. So it is not...
26969
hansvanveldhuizen
hansvanveldh...
Jul 3, 2009 9:44 am
... If I had found your libs earlier then I would certainly hooked in on yours, but since I am now so far that my little attempt works (and is more than...
26970
Wouter van Ooijen
wvooijen
Jul 3, 2009 12:15 pm
... IIRC in the old pre-Kyle Jal (which used only bank0 directly) tris always worked that way. -- Wouter van Ooijen --...
26971
matthewschinkel
Jul 5, 2009 7:09 am
Is it possible to use program memory for variables? or to store data that was retrieved from an external source? I need somewhere to store sector data from a...
26972
hansvanveldhuizen
hansvanveldh...
Jul 5, 2009 3:11 pm
Look at my program, I use Program_Eeprom_write(or read) (adress,data) start adress from 7500 to 8012 I use the remaining 80 adresses for other info. Hans...
26973
Rob Hamerling
digithalys
Jul 7, 2009 6:57 am
... Why not switch to a PIC of the 18F series? The 18F14k50 for example has 768 bytes of RAM, or if you need more pins the 18F2450 or 18F4450. You'll get also...
26974
Helge
helgeww
Jul 7, 2009 10:28 am
[Default] On Sun, 05 Jul 2009 05:10:58 -0000, "matthewschinkel" ... Possible, but not practical. It is quite slow compared to RAM, and the program memory...
26975
Stef Mientki
aap_beertje
Jul 7, 2009 11:32 am
... The "wear out " is not true, see: http://mientki.ruhosting.nl/data_www/pic/libs_hw/eeprom_problems.html indeed the EEprom is slow fro writing, but not for...
26976
Helge
helgeww
Jul 7, 2009 7:06 pm
[Default] On Tue, 7 Jul 2009 13:27:25 +0200, Stef Mientki ... That page discusses EEPROM, not program memory, but maybe they are the same? I am not sure I...
26977
Peter Crispyn
kamielpc
Jul 8, 2009 1:46 pm
Hello, I'm trying to make a decoder in JAL, but the interrupt service routine has to be extremely short. When I write a normal interrupt routine using 'pragma...
26978
Yingdan
yingdanh
Jul 8, 2009 4:57 pm
Hello, I am trying to read a potentiometer more precisely. The pot is made by Bourn, 10K and 15 turn. I only need 2-3 turns while with accurate readings. The...
26979
Hans de Rijck
ezel5
Jul 8, 2009 5:09 pm
Hi Helge, ... It has, the 16F877 datasheet (page 156) is clear enough about this: Program FLASH memory parameter D130 Endurance 1000 kind regards, Hans de...
26980
Gordon Williams
jal_list
Jul 8, 2009 7:29 pm
Have a look on the web for "resistor voltage divider" to give you the ref voltage that you need. Depending on the resistors that you select you will get a...
26981
Gordon Williams
jal_list
Jul 8, 2009 8:24 pm
I think Kyle was going to add some other interrupt pragmas for no preamble. Check the latest version of the manual and test to see if they work. Be careful...
26982
Stef Mientki
aap_beertje
Jul 9, 2009 7:12 am
... I think you're right, the newer (self programming) devices have a very small number of erase/write cycli. cheers, Stef ... Het UMC St Radboud staat...
26983
hansvanveldhuizen
hansvanveldh...
Jul 9, 2009 10:16 am
I wish I could understand this discussion. Reading on page 156 from my datasheet I see other things than mentioned. Do I have the wrong sheet?(Microchip...
26984
zmafoox
Jul 10, 2009 12:07 am
Greetings, ... How are you restoring in less than 5 instructions, or do you not count the retfie? The best you can do at the moment is `pragma interrupt fast'...
26985
hansvanveldhuizen
hansvanveldh...
Jul 10, 2009 5:42 am
Because of no reactions I suppose my questioning is incorrect. I'll try it this way : Does the use of the commands " Program_EEprom_write(Adress,Data) and...
26986
Wouter van Ooijen
wvooijen
Jul 10, 2009 6:07 am
... That depends on how often you use them. Details (guranteed nunber of erase/write cycles) can be found in the chip's datasheet. -- Wouter van Ooijen --...
26987
matthewschinkel
Jul 10, 2009 6:44 am
From 16F877 Datasheet: "The EEPROM Data memory is rated for high erase/ write cycles (specification D120). The FLASH program memory is rated much lower...
26988
Joep Suijs
jsuijs
Jul 10, 2009 7:42 am
... I use the external ram chip: http://www.voti.nl/winkel/catalog.html?IC-23K256-DIP. For sequential read or write (which do not allow the address to be sent...
26989
Bert van Dam
bertloopvogel
Jul 10, 2009 7:48 am
... Microchips guarantees a minimum number of programming cycles, and this has the same impact as programming the PIC. I have to say I've never ever had a worn...
26990
Hans de Rijck
ezel5
Jul 10, 2009 9:24 am
... Patience, patience. We do have a life you know ;) I was talking about the 16F877 datasheet. In the 16F877A datasheet you will have to look at page 179, ...
26991
rik.slosse
Jul 10, 2009 9:52 am
Hello, I'm a beginner on JAL and have a problem. How can I use the Analog inputs (A0..A5, E1..E3) as digital. I'm working with a PIC16F877 and the 16f877_bert...