Arduino for STM32

Hi all

I have a PWM RGB led connected to PB5 (red), PB14 (green) and PB2 (blue) on a custom board with STM32L051T6.
Can someone confirm that PB5 is a PWM pin ?
From https://www.st.com/resource/en/datasheet/stm32l051c6.pdf page 42 it says TIM22_CH2, but when i do a analogWrite(PB5,255) does not ...

I put my multimeter on diode test position and checked every pin, always showing infinite value. The only moment i see some readings was with the negative probe on the 3rd pin (counting from the flat side) and the positive probe on the others. Apparently could be a RGB led, being the 3rd leg the ...

Thanks guys for your answers.

I had a 500ohm resistor in the data line, i remove it and using

Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_RGB + NEO_KHZ400)

it works but with erronious behavior. Issuing a red color it shows green, blue color does not show and green color shows as purple.
I ...

That chapter is for SAMD boards, i assume it will work for STM32, right?
I have one nucleo-64 with integrated stlink programmer, i'll give it a try.

Thanks

Hi all

Has anyone successfully put stm32 to work with PL9823 RGB leds?
I'm using Adafruit neopixel library without success, i can only see my led turning blue and nothing else.
Here's my code, it should blink blue, green, red


#include <Adafruit_NeoPixel.h>

#define PIN PA12
#define NUMPIXELS 1 ...

Debugging stm32 in arduino IDE sounds great, do you have a roadmap how to do it? I cannot find much information on internet...

I didn't notice that. I upgraded to arduino 2.3.2 and now it works.

Thanks

Hi all

Today i upgrade STM32 MCU based boards to version 2.8.0 and now when i upload a sketch to my nucle64 i get this error:

java.io.IOException: Cannot run program "{tools_bin_path}/massStorageCopy.bat": CreateProcess error=2, The system cannot find the file specified

I searched for ...

I ended using other PN532 library and now it is working, so the problem seems to be on the adafruit library.

Thanks.

Hi all

I have a RFID PN532 module with SPI and i tested it with arduino using Adafruit_PN532 library, it works ok. I'm using these pins:

#define PN532_SCK 13
#define PN532_MOSI 11
#define PN532_SS 16
#define PN532_MISO 12
Adafruit_PN532 nfc(PN532_SCK, PN532_MISO, PN532_MOSI, PN532_SS);

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