P5DIR |= 0x02;What does this expression mean?0x02 is 00000010, right? Is P5DIR|=0X02 equal to P5DIR=P5DIR|00000010?How can I see which port it defines? How can I know whether P5DIR points to input or ...
[align=left][color=rgb(33, 33, 33)][font=宋体, Arial, Helvetica, sans-serif]Abstract: Oculii, a startup company based in Ohio, USA, has broken the limitation that traditional civilian radar sensors can ...
Hello, everyone!I am a worker who has been engaged in vxworks application layer software development for 3 years, doing electric power communication. Now my career plan is to learn the business of ele...
Abstract: The principle of EMC design at the input end of a switching power supply is analyzed, and specific measures to suppress EMI are proposed based on some practices.Keywords: electromagnetic com...
I wrote the same code in VC and EVC respectively, and found that the calling time of bitblt function was different, 15ms and 180ms respectively. The code of IDB_BITMAP1 as 800*480 bitmap is as follows...
1. Photovoltaic inverter installation process
1. Preparation before installation
Are the product accessories, installation tools and parts complete? Is the installation environmen...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
Using the WWDG of STM32F030, it is found that the MCU will not be reset under STOP, just like the sleep mode of STM8S. Paste the watchdog code: /******************************************************...[Details]
ADC Introduction: ADC (Analog-to-Digital Converter). That is, converting analog signals into digital signals for processing. When storing or transmitting, analog-to-digital converters are almost ...[Details]
When STM32 uses JTMS (PA13) and JTCK (PA14) as normal I/O ports, add the following code before initialization (the order cannot be reversed): RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); G...[Details]
T1 or T2 are two timers/counters of MCS-51 microcontroller. The first method can use two timers/counters to generate rectangular waves. In order to save interface resources, the second method is used...[Details]
Take serial port interrupt as an example: like: void serial() interrupt 4 { } and void serial_uart() interrupt 4 { } The functions of both functions are to define the serial port interrupt function. ...[Details]
International Solar Photovoltaic Network News: On November 21, Australia's SMA Solar Technology Co., Ltd. signed a contract with the local government to provide photovoltaic inverters with an insta...[Details]
Mobile phone battery charger program made by STC12C2052AD microcontroller #include stc12c2052ad.h #include intrins.h #define uchar unsigned char #define uint unsigned int sbit REF =P1^0; sbi...[Details]
#include MSP430x12x2.h #define TEM_ADC_CHL 0x0a void InitSys(void); void Read_ADC(unsigned int INCH_channel); void ADC_TO_TEM(void); unsigned int ADC_sample_val; unsigned int long temp1,temp2;...[Details]
MSP430 uses ADC10 to measure the voltage of the temperature diode inside the chip #include "msp430x22x4.h" //This program uses ADC10 to measure the voltage of the temperature diode inside the chip ...[Details]
5.1. Usage of EM78 series 8-bit microcontroller special instructions 5.1.1. Table Lookup Instructions and Usage The EM78 series 8-bit microcontroller uses three steps to look up the table: (1) "call"...[Details]
1 Main features of EM78P447S The EM78 series of MCUs are 8-bit high-cost-effective MCUs manufactured by Taiwan Elan Electronics Co., Ltd. using CMOS technology. This series of MCUs generally have bui...[Details]
; ******************************************** ; Function : RS232 serial port sample program based on HT48R50A * ; MICroProcessor : HT48R50A-1/28SKDIP-A * ; Author: www.picavr.com * ; Crystal ...[Details]