Search found 3732 matches

by ESP_Sprite
Thu Jul 06, 2017 1:28 am
Forum: ESP32 Arduino
Topic: Issues Using Multiple SPI Buses w/ HW-CS
Replies: 2
Views: 2360

Re: Issues Using Multiple SPI Buses w/ HW-CS

I'll see if I can look into this. Meanwhile, can you find out *why* this breaks communication? As in: signal-wise, what happens that shouldn't happen?
by ESP_Sprite
Thu Jul 06, 2017 1:26 am
Forum: Report Bugs
Topic: freeRTOS timers crash. Assert failed line 693
Replies: 2
Views: 2954

Re: freeRTOS timers crash. Assert failed line 693

That is hard to say... the assert basically indicates something sent a bad timer control command to that task, but the information on who did that is missing. Can you reproduce this reliably, and if so, are you willing to share your code, or a small bit of code that gives the same error?
by ESP_Sprite
Thu Jul 06, 2017 1:23 am
Forum: ESP32 IDF
Topic: ESP32 firmware update over the internet?
Replies: 17
Views: 10945

Re: ESP32 firmware update over the internet?

The OTA code should be partition-aware so yes, larger partitions should allow you to flash larger code.
by ESP_Sprite
Wed Jul 05, 2017 3:10 am
Forum: General Discussion
Topic: ESP External Clock
Replies: 2
Views: 1884

Re: ESP External Clock

Unfortunately, interrupts on the ESP32 are a bit more complex than on an AVR (mostly because we need to do a bunch more context switching things, as well as the need to figure out what interrupt is triggered.) This means interrupt latency is about 2uS, which means that at 1MHz, the first interrupt i...
by ESP_Sprite
Wed Jul 05, 2017 1:12 am
Forum: General Discussion
Topic: Using esp32 with powerbank (about ampere)
Replies: 1
Views: 2312

Re: Using esp32 with powerbank (about ampere)

Normally, electronic devices which run on a certain voltage will take exactly the current they need from their voltage source. The amount of current printed on your power bank is just the maximum current the power bank can give. Given that an ESP32 development board usually uses a maximum of 500mA o...
by ESP_Sprite
Tue Jul 04, 2017 3:39 am
Forum: Sample Code
Topic: ESP32-Doom available
Replies: 11
Views: 16040

Re: ESP32-Doom available

Rudi: Ah, I remember now. (Seems the coffee kicked in.) That was a small bug in the mmap code of esp-idf that I fixed just before releasing Doom; if you are still on an old version of the branch you will see that. Please git pull in the esp-idf directory and recompile to fix it.
by ESP_Sprite
Tue Jul 04, 2017 2:16 am
Forum: Hardware
Topic: ESP32-WROVER tests & issues
Replies: 30
Views: 16783

Re: ESP32-WROVER tests & issues

Spiflash works at 40MHz, but for Loboris it always crashes at 80MHz. I'm not sure if that's incidental or not, to be honest, because my board does not seem to do it. When I left the office yesterday I left the Doom demo running at 80MHz SPI flash, so I can find out more when I return there, though :...
by ESP_Sprite
Tue Jul 04, 2017 2:11 am
Forum: Sample Code
Topic: ESP32-Doom available
Replies: 11
Views: 16040

Re: ESP32-Doom available

Rudi: Hmm, I saw that before, forgot what the cause was... will look into it, I may have forgotten to push my latest changes to Github or something stupid like that. Even without a controller, Doom is supposed to play a few demos. Nicolas: Because the code is a copy-paste from the NES project, which...
by ESP_Sprite
Mon Jul 03, 2017 3:36 pm
Forum: Sample Code
Topic: ESP32-Doom available
Replies: 11
Views: 16040

Re: ESP32-Doom available

There's a working (and somewhat stripped to fit in the remainder of a 4MiB flash) version of the shareware Doom wad linked in the readme of the Git repository.
by ESP_Sprite
Mon Jul 03, 2017 11:27 am
Forum: Sample Code
Topic: ESP32-Doom available
Replies: 11
Views: 16040

ESP32-Doom available

Hi all, Okay, if you happen to have hardware with a rev1 ESP32, psram and a LCD, I have something for you: you can run a version of Doom (the 1993 version, not the recent one) on your hardware! The backstory, for whoever is interested in reading: Back when we started working on PSRam support for the...

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