rp2040-psram
pico-debug
rp2040-psram | pico-debug | |
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1 | 2 | |
86 | 269 | |
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5.3 | 4.1 | |
about 2 months ago | almost 2 years ago | |
C | C | |
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rp2040-psram
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Using external sram?
You can use one of the many SPI/QSPI PSRAM chips that are available. If you don't need to have it have it mapped as actual memory that you can malloc, using it should be pretty straightforward. I've written a library to help interface with SPI PSRAM over PIO & DMA, and I've tested it at up to 140MHz (with the RP2040 running at 280MHz): https://github.com/polpo/rp2040-psram
pico-debug
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What're my debugging options without a raspberry pi?
There's also apparently a way to use the other core of a Pico as a debug programmer: https://github.com/majbthrd/pico-debug/ but that's pretty advanced.
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Raspberry Pico: Simple Debugging with just one Device
This blog pot continues the Pico setup series and will detail how to setup a fully working debugger in VS Studio Code. Keep in mind that ultimately the steps are based on explanations from pico-debug project, and wizio-pico, but the setup is complex so I wrote a summarizing blog article. Follow along and you will be debugging your Pico C programs with the press of a simple launch button.
What are some alternatives?
TFT_eSPI - Arduino and PlatformIO IDE compatible TFT library optimised for the Raspberry Pi Pico (RP2040), STM32, ESP8266 and ESP32 that supports different driver chips
DAPLink
picogus - Emulation of ISA sound cards on Raspberry Pi Pico (GUS, Adlib, MPU-401, Tandy, CMS)
wizio-pico - Raspberry Pi Pico development platform for PlatformIO
Pico3D - Open World 3D Game Engine for the PicoSystem & RP2040 Microcontroller
pyOCD - Open source Python library for programming and debugging Arm Cortex-M microcontrollers
rpi - Microcontroller projects (RPi, Arduino, ATTiny85, ESP, Pico, STM8/32)
dap42 - CMSIS-DAP debugger firmware for STM32F042Fx and STM32F103xx
hagl - Hardware Agnostic Graphics Library for embedded
pico-composite8 - Raspberry Pi Pico NTSC 8-bit Composite Video output using Resistor R2R DAC, interlaced at 640x480, with slideshow on second core.
EnvOpenPico - An open source RP2040 MCU Board Family
openocd