ag123 Wed Nov 07, 2018 7:21 pm hi all, i’ve published a event loop for stm32duino (based on libmaple core) (updated this post in the readme.md on github, formatted ..
Rick Kimball Wed Nov 04, 2015 9:05 pm const uint8_t led = BOARD_LED_PIN; enum { LED_ON=0, LED_OFF=1 }; // for Blue Pill .. active low led void setup_vcc_sensor() ..
madias Mon Apr 27, 2015 3:51 pm easy to use sketch for setting up multiple encoders with acceleration (faster movements, more data increase). IRQ driven, HW timer ..
enif Fri Aug 14, 2015 1:26 pm When trying to port my little “car blink sound booster” program to the Maple Mini, I realized that there are no tone() ..
jdenis Wed Aug 22, 2018 7:28 am So I needed an incremental encoder for my project, I bought some cheap ones from china, something around 10usd each… After ..
Rick Kimball Mon Jun 15, 2015 9:20 pm I got pretty spoiled with other microcontroller architectures that allowed you to use delay_cycles to do sub microsecond delays ..
Pito Fri Aug 25, 2017 8:37 am Here is an example with measuring Interrupt Latency. AttachInterrupt function used. In the code the PA14 and PA15 are used for INTR_IN ..
iwalpola Sun Jul 03, 2016 9:35 pm Sources: http://embedded-lab.com/blog/stm32-gpio-ports-insights/ http://hertaville.com/stm32f0-gpio-tutorial-part-1.html The libmaple ..
Rick Kimball Tue Jun 09, 2015 8:44 pm I’ve taken the gpio code I posted in another thread to the next level. This one provides PIN abstraction and some nifty ..
Rick Kimball Sun Jun 07, 2015 3:59 pm In another thread, I had made brief mention of using placement new to delay the constructor call of an object. However, it isn’t ..
ag123 Tue Nov 27, 2018 3:38 pm edit: this now has its own examples and library posted on github https://github.com/ag88/stm32duino_rtcadj more details here viewtopic.php?f=18&t=4365&start=10#p51483 ..
Rintin Fri Jan 29, 2016 5:58 pm Hi, I’ve got this RF mini controller for the WS2812b. I figured out that it sends on 433Mhz. I connected one of these Rf-receivers ..
dangthaison1992 Sun Nov 27, 2016 9:58 am I try the code ext interrupt pulse measurement on PA8 at STM32F103C8T6 chip. it’s ok #include "HardwareTimer.h" volatile ..
miki Wed Jun 01, 2016 3:05 am I read somewhere there is serial interrupt implemented in libmaple. May somebody share on how to use it? I need to process a serial ..
Rick Kimball Wed Dec 28, 2016 9:48 pm I came across an interesting feature of the GPIO BSRR registers. The BSRR register allows you to modify both the reset (BSRR_H) ..
Pito Tue Jan 10, 2017 11:20 pm For people who want to save energy – a voltage divider which does not load the Vxx (V1). Vxx could be any reasonable voltage, ..
Vassilis Fri Aug 28, 2015 5:52 pm The sketch I wrote uses the hardware SPI interface of STM32 microcontroller. You can connect a I2S DAC like PT8211. The serial ..
Vassilis Thu Jun 04, 2015 8:18 am In case you want to use two SPI devices simultaneusly to achieve the maximum speed performance the you can connect the first device ..