How do I format HSERIN?

[skimask]

Don't send 123:CRLF as 495051581310....send it as 123:<CR> with line feeds turned on at the PC.
HSERIN doesn't need to use raw hex codes for the data (i.e. sending 10 for a line feed, etc).

Are you using the internal oscillator on the PIC?
The internal oscillator isn't always accurate. Could cause your baud rate to be off by just enough to confuse everything.

Are you using a MAX232 type device between the PIC and the PC?
The hardware UART uses 'TTL-RS232', commonly called 'Normal' in PBP circles. Try using SERIN2/SEROUT2 and using an inverted mode if you don't have a MAX232.

Are you sure the PIC is configured correctly for the desired baud rate?
Can get a bit confusing with all of the options a PIC has. Double check them...

Are you sure the config registers/any other registers are set up correctly?
Internal vs. External crystals...and so on and so on...

[PlantBob]

I am using MAX32 between the PC and PIC.

HSEROUT works every time no matter what I send. Thank makes me assume that the BAUD issue is OK.

Here is how I check what I am receiving:

HSEROUT ["B1 ", MyVars(0), $0d,$0a]
HSEROUT ["B2 ", MyVars(1), $0d,$0a]
HSEROUT ["B3 ", MyVars(2), $0d,$0a]
HSEROUT ["B4 ", MyVars(3), $0d,$0a]
HSEROUT ["B5 ", MyVars(4), $0d,$0a]

etc..

[skimask]

I am using MAX32 between the PC and PIC.
HSEROUT works every time no matter what I send. Thank makes me assume that the BAUD issue is OK.

Ok, just checking, didn't have that info before.
Like I said before, don't send the raw hex data back and forth, just send the characters themselves.

MyVars VAR BYTE[8] : temp var byte
Main: HSERIN 5000,NoData,[STR MyVars\6\":"]
HSEROUT ["Received:", STR myvars\8",13,10] : goto main
NoData: HSEROUT ["Timeout",$0d,$0a]
for temp = 0 to 8 : myvars[temp]=0 : next temp 'clean out myvars
Goto main

At the PC, type in a few characters (no hex codes, nothing crazy, just a few alpha or number characters), followed by the : character.
The code above should wait for 5 seconds to 1)get no data, 2) get 6 bytes of data, or 3)will kick out and send back the data you just sent if you sent a : before you sent a total of 6 bytes.

[Adrian]

Hi Skimask

Counter 0 to 7, perhaps? And possibly no quote marks in third line after 8?

Adrian

[skimask]

Hi Skimask
Counter 0 to 7, perhaps? And possibly no quote marks in third line after 8?
Adrian

Quote marks - yes...
Counter 0 to 7 - perfectly valid.
MyVars var Byte[8] sets aside 9 bytes, index 0 (zero) is also valid.

[Adrian]

Hi Skimask
Thanks but there is something I'm not understanding. I've tried your programme and it works fine until the first timeout then it won't 'goto main' and loop through again. Should it? If I change the counter to FOR temp = 0 to 7 then the programme loops round endlessly. What am I not understanding or what am I doing wrong? Please help - going mad here!!

Adrian

[skimask]

Might get a couple of hints from this:
http://www.picbasic.co.uk/forum/show...ht=hserin+idle

If not there, then try a search on serial and idle and see what happens.