Be sure that you are using a proper adapter. Some have the necessary voltage level shifting and others have nothing. If you send 5V power, and signals, to an SD card you will kill it. I have done it.
-Mike On Tuesday, January 19, 2021 at 1:04:49 PM UTC-5 [email protected] wrote: > Hello > Thanks for your attention. The circuit I use is the generic adapter that > is commercially available. I was able to verify that it was working because > as a response from the SD I receive the hexadecimal of "response" through > print_byte_hex (serial_data, response) found in the sd_init () procedure. > Additionally when I do not introduce memory in the socket. I get the > message: "SD_DEVICE_NOT_FOUND" > I have done tests with 2GB, 4GB and 16GB memories. The response > hexadecimal changes but the reported error remains the same. > > I am only implementing the SD example for the 16f877a, i attach it, i will > try it with extension .jal > > > > El mar, 19 ene 2021 a las 11:31, Matthew Schinkel (<[email protected]>) > escribió: > >> First try another SD card that is a different size. What size of card are >> you using? >> >> What circuit are you using to connect the SD card? >> >> How do you simulate? >> >> Matt. >> >> On Tuesday, January 19, 2021 at 6:51:02 AM UTC-5 [email protected] >> wrote: >> >>> Hi, >>> >>> Is it possible to send a program that you are using that has this >>> problem, preferably stripped down to a version that shows the issue (if not >>> the whole program but that makes analysis more difficult)? >>> >>> Since Google Groups does not accept .jal attachments (I think), rename >>> it first to .txt so that you can send it. >>> >>> Thanks. >>> >>> Kind regards, >>> >>> Rob >>> ------------------------------ >>> *Van:* [email protected] <[email protected]> namens MA - CM >>> <[email protected]> >>> *Verzonden:* maandag 18 januari 2021 16:42 >>> *Aan:* jallib <[email protected]> >>> *Onderwerp:* [jallib] Problem with sd card - SD_COMMAND_TIME_OUT >>> >>> >>> The sd_card.jal library works for me in the simulation, but in the >>> circuit I get the message: SD_COMMAND_TIME_OUT. I have tried many things >>> and I am about to give up on this, please if someone can help me. >>> >>> -- >>> 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/5fb3a644-4a83-4e3d-b5a5-ac00bc8fb395n%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/jallib/5fb3a644-4a83-4e3d-b5a5-ac00bc8fb395n%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> > You received this message because you are subscribed to a topic in the >> Google Groups "jallib" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/jallib/f3dPXQzvEUI/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/jallib/b264045d-580f-4212-8cff-2c3ee665c242n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/jallib/b264045d-580f-4212-8cff-2c3ee665c242n%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/56b1b2da-1261-4ea8-891f-3890bd1a7068n%40googlegroups.com.
