Search found 4 matches

by jsarrett
Thu Oct 19, 2017 6:43 am
Forum: ESP-IDF
Topic: Workign eMMC initialization
Replies: 0
Views: 3065

Workign eMMC initialization

Hello community, I've got a working implementation of an updated SDMMC driver that supports eMMC. Please feel free to test it out and tell me how it works. It's currently an open pull request on GitHub. https://github.com/espressif/esp-idf/pull/590 I believe it to be correct, but i've only got 1 eMM...
by jsarrett
Thu Oct 19, 2017 6:40 am
Forum: ESP-IDF
Topic: EMMC SDK for esp32
Replies: 2
Views: 5688

Re: EMMC SDK for esp32

I have it working. I've submitted a pull request on GitHub, but am waiting for it to be merged to master.

https://github.com/espressif/esp-idf/pull/590

I welcome any feedback about the patches.

-James
by jsarrett
Thu May 04, 2017 5:54 am
Forum: Report Bugs
Topic: SD card access seems broken with tasks
Replies: 1
Views: 5010

SD card access seems broken with tasks

This is a cross post to github issue #569( https://github.com/espressif/esp-idf/issues/569 ), because I'm not sure which is better. When I try and access the SD card from any task other than app_main I get weird errors and often illegal instruction crashes. attached is a very simple test case. The f...
by jsarrett
Thu Apr 20, 2017 8:09 am
Forum: Report Bugs
Topic: socket file descriptors seem broken inside components
Replies: 1
Views: 4949

socket file descriptors seem broken inside components

Hi there, I think the read() and write() system calls are broken for socket file descriptors. If I use read() and write() in a function compiled with my app_main, when I look at the assembly, I see that apparently the read and write calls are getting mapped directly onto lwip_read_r and lwip_write_r...