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by GrumpyOldPizza
Tue Apr 04, 2017 1:37 pm
Forum: Cores
Topic: STM32L4 Core
Replies: 117
Views: 6640

Re: STM32L4 Core

Can you elaborate on that? I would really like to work on the l476 platform, and I don't mind giving away, say, the LCD. What adjustments would be required to use the STM32L476GDiscovery? Thank you Interesting. What is hooked up wrong, and what solder bridge is needed ? Yes. That is my question The...
by GrumpyOldPizza
Mon Apr 03, 2017 4:12 pm
Forum: Cores
Topic: STM32L4 Core
Replies: 117
Views: 6640

Re: STM32L4 Core

hey, i'm back after a while, wondering if the STM32L496 will be supported in the future sometime :P it has less uA/mhz power consumption (320k), more sram and more flash (up to 1mb) also, does anyone have an example on how to put the flash ic into XIP (or similar) mode, as the datasheet says it can...
by GrumpyOldPizza
Mon Apr 03, 2017 4:08 pm
Forum: Cores
Topic: STM32L4 Core
Replies: 117
Views: 6640

Re: STM32L4 Core

It has USB hooked up, but USB_VBUS is hooked up the wrong way, so you have to mess with a solder brigde. Can you elaborate on that? I would really like to work on the l476 platform, and I don't mind giving away, say, the LCD. What adjustments would be required to use the STM32L476GDiscovery? Thank ...
by GrumpyOldPizza
Fri Mar 31, 2017 8:54 pm
Forum: STM Nucleo boards
Topic: STM32L476RG
Replies: 5
Views: 568

Re: STM32L476RG

Is there some kind of driver, or it's not implemented yet?


This should be one in the next few weeks for the STM32L4 core. Time-triggered ADC, which is what you seem to be after ?
by GrumpyOldPizza
Sat Feb 25, 2017 1:52 am
Forum: Code snipplets
Topic: I2S example code
Replies: 114
Views: 13623

Re: I2S example code

Victor, that took a while to get to that. Code has now been updated on github.com. I ended up using this code: size_t I2SClass::write(int32_t sample) { if (_state != I2S_STATE_TRANSMIT) { if (!((_state == I2S_STATE_READY) || (_state == I2S_STATE_TRANSMIT))) { return 0; } _state = I2S_STATE_TRANSMIT;...
by GrumpyOldPizza
Wed Feb 22, 2017 3:11 pm
Forum: General discussion
Topic: iwdg_init() and iwdg_feed()
Replies: 28
Views: 1488

Re: iwdg_init() and iwdg_feed()

Quick question. If LSI feeds IWDG, could IWDG be disabled by turning off LSI ? Do anybody try ?
by GrumpyOldPizza
Thu Feb 16, 2017 1:32 pm
Forum: Code snipplets
Topic: I2S example code
Replies: 114
Views: 13623

Re: I2S example code

The API is not perfect ;-) Looking at all of this, it seems to be best to implement a switch between the I2S.write(sample) and I2S.write(data, size) way, so that the former one needs to check that all DMA has been finished before it could write directly. But then again writing directly is bad, becau...
by GrumpyOldPizza
Wed Feb 15, 2017 3:06 pm
Forum: Code snipplets
Topic: I2S example code
Replies: 114
Views: 13623

Re: I2S example code

Madias, did you ever turn the i2s code into a library? I am getting back to work on the stm32 and just ordered some pt8211. I want to clean up the wav player code and turn it to use one of those. ArduinoZero (MKRZERO) added a I2S class now that is also supported by a ArduinoSound libary: https://gi...
by GrumpyOldPizza
Wed Feb 01, 2017 12:25 pm
Forum: General discussion
Topic: STM32DUINO - Architecture questions
Replies: 39
Views: 914

Re: STM32DUINO - Architecture questions

As we're talking architecture: i would love to see some more attention to offering some async DMA libraries :). that's where the true IO power of these little guys is, and by sticking to the arduino API we're completely missing it >_<. Also for many of the reasons mentioned in this thread, i'm curr...
by GrumpyOldPizza
Sat Jan 21, 2017 7:39 pm
Forum: Cores
Topic: STM32L4 Core
Replies: 117
Views: 6640

Re: STM32L4 Core

Thanks for the quick answer! I've tried manual installation but no luck... (Arduino 1.8.0 on W10-64) Best regards Guido What was the problem ? Normally using the json file is simpler, but does the very same thing. Sorry for the delay. Here the path to the json file. https://grumpyoldpizza.github.io...

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