Hello Jos, I have the same problem every now and then. I use Pckit3 plus. then use the following tricks. Read, Erase and then check if it is empty. Remove from the circuit and erase directly and check with a regular 5 volt charger. Usually it's fine again. Hans
Op woensdag 10 april 2024 om 09:43:34 UTC+2 schreef jos smans: > hi Vsurcan, > I think not it is a hardware issue because i reprogrammed the pic but > also pic 18f4455 which programmed perfectly, so i think not it is a power > connection ,programmer speed or something else. > Anywhere thanks for suggestions. > kind regards > Jos > > Op wo 10 apr 2024 om 07:20 schreef vsurducan <[email protected]>: > >> That is a programming issue not a library issue. Check hardware, supply, >> cable length, wires with cold solder or even not connected, programmer >> speed, programmer software malfunction. I guess you need pickit3 plus or >> pickit3 minus to program that pic. With a correct definition file. >> >> On Tue, Apr 9, 2024 at 10:45 PM jos smans <[email protected]> wrote: >> >>> hi Rob, >>> I have compiled the 18f4431 and a hex file was made, but after >>> programming the pic with pickit 3, the error occurred "programming failed >>> at program memory address 0x000000".Maybe the adc library must, as you said >>> before, changed. >>> kind regards >>> Jos >>> >>> Op di 9 apr 2024 om 21:09 schreef jos smans <[email protected]>: >>> >>>> Hi Rob, >>>> Thank you very much for your support. It works excellent. >>>> Kind regards >>>> Jos >>>> >>>> Op di 9 apr 2024 om 19:48 schreef Rob CJ <[email protected]>: >>>> >>>>> Hi Jos, >>>>> >>>>> The problem is in the ADC library. Apparently the 18F4431 has a >>>>> different way of selecting the ADC channel that I have never seen before. >>>>> >>>>> I made a quick fix and added the channel selection for your PIC but to >>>>> the attached ADC library did not test this so you should give it a try. >>>>> The >>>>> code I added could be simplified but that is something that could be done >>>>> later. >>>>> >>>>> So place the attached ADC library in the directory of your program >>>>> recompile it and let me know if it works. >>>>> >>>>> Thanks. >>>>> >>>>> Kind regards, >>>>> >>>>> Rob >>>>> >>>>> ------------------------------ >>>>> *Van:* [email protected] <[email protected]> namens jos >>>>> smans <[email protected]> >>>>> *Verzonden:* dinsdag 9 april 2024 16:56 >>>>> *Aan:* jallib <[email protected]> >>>>> *Onderwerp:* [jallib] Greenhouse >>>>> >>>>> Good day, i have a problem with a program to make automatic my >>>>> greenhouse. With pic 18f4455, it works fine, but not with pic 18f4431.I >>>>> think its a adc fault but i am not sure. >>>>> Can someone help me? thanks >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "jallib" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/jallib/eaae0d75-efe1-4bdc-b6ce-ca87db6dd560n%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/jallib/eaae0d75-efe1-4bdc-b6ce-ca87db6dd560n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "jallib" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/jallib/GVXP195MB1637171120AC6BA343AB4AFFE6072%40GVXP195MB1637.EURP195.PROD.OUTLOOK.COM >>>>> >>>>> <https://groups.google.com/d/msgid/jallib/GVXP195MB1637171120AC6BA343AB4AFFE6072%40GVXP195MB1637.EURP195.PROD.OUTLOOK.COM?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>> -- >>> You received this message because you are subscribed to the Google >>> Groups "jallib" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/jallib/CAMK-nAftmPUHcT-g_kMvgQW0HykAT40z2yZi7z_cKAsxjbO%2BUQ%40mail.gmail.com >>> >>> <https://groups.google.com/d/msgid/jallib/CAMK-nAftmPUHcT-g_kMvgQW0HykAT40z2yZi7z_cKAsxjbO%2BUQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "jallib" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> > To view this discussion on the web visit >> https://groups.google.com/d/msgid/jallib/CAM%2Bj4qs-jwoRSyH81N8gqEEgXhp1fRuJ_OkfYku55YFm5dK_hg%40mail.gmail.com >> >> <https://groups.google.com/d/msgid/jallib/CAM%2Bj4qs-jwoRSyH81N8gqEEgXhp1fRuJ_OkfYku55YFm5dK_hg%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "jallib" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jallib/ec342a02-f1a1-4b0d-a657-1986808e458en%40googlegroups.com.
