STM32F4 RTC details

1, Introduction to RTC RTC(Real Time Clock): real time clock. The RTC is a separate BCD timer / counter. RTC provides a calendar clock, two programmable alarm clock interrupts, and a periodic programmable wake-up flag with interrupt function. The RTC also includes an automatic wake-up unit for managing the low power consumption mode. Two 32-bi ...

Posted on Sat, 25 Sep 2021 01:23:05 -0400 by sarabjit

Not bad. The implementation of multi-level menu is so simple!

abstract The product is user-oriented. Users only need functions and good interactive interface. Multi-level menu plays an important role in it. Limited keys realize complex interface and are linked layer by layer. The marking method is very difficult for menu management, and they will be dizzy if they have more... Here is a fairly good multi- ...

Posted on Sun, 19 Sep 2021 21:12:31 -0400 by Gonwee

STM32CubeMX(06) STM32 controls different switches to achieve the electronic organ function.

Preface Today I want to learn how to control different switches with STM32 to realize the function of the electronic organ. Hardware: STM32ZET6 Software: keil 5 1. Experimental Contents To achieve the function of the electronic piano and control different switches, you can achieve different frequency audio output, and complete the p ...

Posted on Sat, 18 Sep 2021 22:19:48 -0400 by chixsilog

STM32F429 Getting Started: RCC Clock Tree

RCC:reset clock control reset and clock controller. We use clock controller more often. I. The main function of RCC is the clock part. Set the system clock SYSCLK, set the AHB frequency dividing factor (determine how much HCLK equals), set the APB2 frequency dividing factor (determine how much PCLK2 equals), set the APB1 frequency dividing fa ...

Posted on Wed, 15 Sep 2021 13:29:30 -0400 by vb_123

Embedded Linux (awtk Linux FB) dual screen display

1, Foreword Recently, we tried to adapt dual screen display on Embedded Linux, that is, two external screens are connected to synchronously display GUI interface. The difficulty is mainly to copy images from Flush to two LCD devices. This paper makes a record. Note: Based on AWTK, this paper adapts dual screen display for arm linux pla ...

Posted on Sun, 05 Sep 2021 20:31:26 -0400 by qo2o