My platform uses Marvell's pxa270 chip, and I want to make an unattended control platform. The linux kernel is linux 2.6.9, and the jffs2 file system is created using busybox1.1.3 and arm-linux-gcc 3....
Recently, a large number of LaunchPads have appeared!To facilitate learning and communication, you can post the problems you encounter with [ LaunchPad ] as the title so that everyone can discuss toge...
The distributed parameters of the high-frequency relay signal path are the main factors affecting the relay's radio frequency (RF) performance. By analyzing the equivalent circuit based on distributed...
[size=14px]The goods arrived today. They were sent from abroad. They were detained for a few days at Hong Kong Customs on the 29th. Haha. [/size] [size=14px]Front[/size] [size=14px]It comes with a mot...
In the past few days, the news that ZTE was "banned" by the US Department of Commerce has triggered widespread reflection and concern in various domestic industries about the lack of independent co...[Details]
On April 20, the Photovoltaic Summit, guided by Jiangsu Renewable Energy Industry Association, hosted by Growatt, and supported by LONGi Solar Technology Co., Ltd. and Jiangsu Bigo New Energy Group...[Details]
For STM32, there are two ways to reset the software: 1) Use the official software library The system reset function is directly provided in the stm32f10x_nvic.c file of the official software li...[Details]
1. Usage scenarios In the first case, when using a common STM32 delay function, similar to HAL_Delay(time), since this function uses a loop to judge and delay, when executing this function, the ent...[Details]
China Energy Storage Network News:
On the 7th, Jurong Economic Development Zone signed a strategic cooperation framework agreement on comprehensive energy services with State Grid Jiangsu Int...[Details]
The implementation of CAN driver under embedded operating system Android requires not only adding CAN driver device in Linux kernel, but also implementing the call of Android HAL layer. Taking S5...[Details]
1. Heart rate measurement principle 1. What is a heart rate module? The heart rate module is professionally used to monitor the heart rate of the wrist, fingers, forehead, earlobe, chest and other ...[Details]
1) ADC multi-channel acquisition: (Multi-channel acquisition must use scanning mode. In scanning mode, the channels of the rule group share a register, so DMA transmission must be used; to prevent da...[Details]
Using AT89S51 microcontroller, modify the original one to turn the LED on for 4s and off for 2s. Thank you. Use a timer. (The program is written in the answer, omitted here - just a note) The origi...[Details]
//Environment: winavr+avr studio char temp=0; ISR(TIMER1_COMPA_vect )//interrupt function { // user code here temp++; if (temp==10) temp=0; PORTA=temp; DDRA=0xff; } void ...[Details]
#include avr/io.h #include avr/interrupt.h int main() { DDRB|=0X20;//Set PWM waveform output, connected to port PB5, see the comment of OCR1A=15625 for details DDRE=0X04; PORTE=0X04; DDRA=0XFF; P...[Details]
Linux and Android
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