Questions tagged [rp2040]
67 questions
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(Micro)Python UART response ends with "#Eg[" or adds characters
from machine import Pin, I2C, UART
import utime
from ustruct import unpack
import time
checkCardCmd = bytes([0xff,0x00,0x01,0x83,0x84])
getFirmwareVersionCmd = bytes([0xff,0x00,0x01,0x81,0x82])
uart = UART(1, baudrate=19200, bits=8, parity=None,…
Bento
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Arduino NANO RP2040 Connect Serial Passthrough not working
is it possible to do a serial Passthrough to the ESP32 chip on the Wifinina module like with the Arduino Nano Iot?
I tried the example sketch, but that does not seem to have an implementation for the RP2040 connect. The SerialPassthrough Sketch from…
Alex98776
- 11
- 3
0
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2 answers
Cortex-M0+ not responding to PendSV
I'm running on a Raspberry Pi Pico (RP2040, Cortex-M0+ core, debugging via VSCode cortex-debug using JLink SWD), and I'm seeing strange behaviour regarding PendSV.
Immediately prior, the SVCall exception handler requested PendSV via the ICSR…
Jeremy
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-1
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1 answer
rp2040 DMA channel hung, baremetal
I'm trying to trigger a DMA channel to perform a memory-to-memory transfer within the SRAM. The channel throws up the busy flag, but there is no change to the transfer count.
I have the following code:
;reset dma
ldr r0, *resets_clr ;clear…
Will Thomas
- 51
- 4
-2
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0 answers
I need help communicating from Android app to HM-11 on arduino via BLE
I am trying to establish a connection between my Android app and my rp2040 via BLE. On the rp2040 side i use a HM-11 modlue. This is my code for establishing a connection on the android side written in Kotlin:
private fun connectToDevice(device:…
emilio Borrelli
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-2
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"C" and "circuit-python" convert seconds, to hours minutes seconds day month year. for rp2040 mcu on WOKWI don't know neonics
I don't know enough C and circuit-python mnemonics to convert seconds to 28 year epoch, for rp2040 mcu scripts on WOKWI.
This first code block is my micropython attempt.
I don't know how to declare a 64 bit number and the variable containing the…
Jonathan James
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