Arduino for STM32

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); Next i test i...

Check IWatchdog library, but remind after started, watchdog cannot be stopped, you have to periodically "kick the dog"

Hi all

I've used ToneAC library with arduino Uno (https://bitbucket.org/teckel12/arduino-toneac/wiki/Home), i tried to compile it with STM32duino but it is not compatible.
Do you know any alternative? I would like to play some louder sounds than tone library on a passive buzzer.

Thanks

Hi all In Arduino IDE i have this at my main code: #define TODAY #include "todayLib.h" and this on my todayLib.c library file: #ifdef TODAY Serial.print("Now is Today"); #else Serial.print("Now is not Today"); #endif If i run this code i see "Now is not Today"...

After your confirmation that HardwareSerial Serial2(PA3, PA2); was the right syntax, i narrowed the problem to a simple swap TX and RX pins on the GSM side.

Thanks fpiSTM for your help, you point me into the right direction.

How are you powering the devices?
Blackpill have AP7343 regulator, Bluepill have TX6211B regulator, check the datasheet.

Hi All I've made a custom board with STM32L051 IC and i'm using Arduino_Core_STM32. I created a variant based on L051C(6-8)(T-U) example and changed Serial to UART1 (PA9,PA10 pins). My variant_mydevice.h looks like: // UART Definitions #ifndef SERIAL_UART_INSTANCE #define SERIAL_UART_INSTANCE 0 #end...

I'm doing a batery operated project, i'm saving all uA i can... now i have to wake like every 20 seconds just to kick the watchdog ass... Too bad...

Thank's guys for your help.

Hi I'm using STM32 core on a Nucleo64 board. The board is most of the time sleeping and sometimes it wakes from sleep to grab some sensors data and send it to a server. I want to implement a watchdog only on the "wake" part of the code, and i tried the IWatchdog library. the problem is whe...

I tried with different cap values but didn't make any difference.
Last i changed the crystal and LSI start working, so the problem was a bad/defective crystal.

Thank's all for your help.