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1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows:  The output is as follows:  It can...[Details]

     The day before yesterday, I learned about STM's Systick and found it quite useful for precise timing. When I used CVAVR before, I found that the delay.h in it was very useful. So, I used STM32's...[Details]

I used STM32CubeMX V4.22.1 to generate a project including EHT and Lwip. The debugging has been abnormal. After careful inspection, the following problems were found: 1. The hardware uses LAN8720A, b...[Details]

Artificial Intelligence (AI) is undoubtedly the hottest topic in the technology industry in the past one or two years. In addition to the huge investments made by technology giants, financial and o...[Details]

What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]

As cryptocurrency continues to gain popularity, a technology hidden behind it has attracted more attention from the world, that is the now hotly debated blockchain . Let's follow the embedd...[Details]

With the large-scale development of the domestic household photovoltaic market and the improvement of component and inverter technology, the system cost has dropped significantly in the past year. The...[Details]

On May 16, in response to the public opinion storm caused by Lenovo's " 5G voting" incident, Lenovo Holdings Chairman and Lenovo Group Founder Liu Chuanzhi, Lenovo Gr...[Details]

As a leading company in automotive semiconductors, Freescale and Khronos Group have jointly launched an automotive multimedia embedded microprocessor i.MX35 with an integrated OpenVG hardware acceler...[Details]

Mobile communication resale business means that enterprises can contract part of the communication network usage rights from basic telecommunications operators, repackage them into their own brands...[Details]

Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]

Note: This STM32 microcontroller is the STM32F103 series. The ADC of Stm32 has DMA function. This is beyond doubt and is what we use most! However, if we want to sample a signal (such as a pulse sign...[Details]

The clock frequency of the 80C51 microcontroller is 12MHz, and the timer T1 and P1.0 are used to output rectangular pulses. The waveform only shows two segments: one segment is 100us and the other se...[Details]

#include "myuart.h" #include "avr/io.h" #include   #define UDRE   5  #define RXEN   4 #define TXEN   3 #define UCSZ0  1 #define RXC    7 #define RXCIE  7   ISR(USART0_RX_vect)//接收中断 {   unsigned char...[Details]

#include avr/io.h          #include util/delay.h #include avr/interrupt.h //Interrupt function header file //Function declaration void Port_Init(void); //Port initialization configuration void Comp...[Details]