ESP32 Memory Allocation

2022-12-19 Thread Victor Benso
Hello, I'm running NuttX on an ESP32 with SPIRAM, when using malloc in an app, what is the threshold, if any, used in the decision of allocating internal or external memory? Is this a config parameter? Is there a proper way to control which region (internal or external) a specific allocation

Question about ESP32 PC address.

2022-09-06 Thread Victor Benso
Hi, I'm dealing with an interesting situation regarding a WDT lock in the esp32-devkitc board. Some details: -SPI3 has 2x MCP2515 under heavy canbus traffic. -SPI2 has an SDCard in SPIMode. -TWAI is also receiving a reasonable CAN traffic. -Wifi is connected to an AP sending data from the SDCard

ESP32's RMT driver PR

2022-09-02 Thread Victor Benso
Hi everyone, Recently I came in need of adding a WS2812 LED to one of my ESP32 projects that run NuttX. The existing support already on NuttX for such LEDs needed an SPI interface. In the board in question we are short on SPIs, SPI2 is running the SDCard with some load and the other(SPI3) is used