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Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]
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1. Development Environment 1. Applicable chips: All STM32F4 chips 2. Firmware library: STM32F4xx_DSP_StdPeriph_Lib_V1.8.0 3，IDE：MDK517 2. Driver source code Delay.h...[Details]
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stm32cubeMX graphical configuration content STM32CubeMX is part of the original STMCube initiative from st microelectronics, and STM32Cube includes STM32CubeMX. STM32CubeMX is a graphical software co...[Details]
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LAN8720 configuration: IP: 192.168.192.30 Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[Details]
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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]
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pre name="code" class="cpp" uint32_t ADC_Detect(uint32_t AD_Channel) { hadc.Instance- CHSELR = 0; ADC_ChannelConfTypeDef sConfig; sConfig.Channel = AD_Channel; sConf...[Details]
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The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, that is, it is still effective even if the main clock fails. Here we need to note that the clock of the inde...[Details]
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Pin Definition FSMC configuration steps 1. Enable the corresponding pin GPIO clock 2. Configure the GPIO pin mode 3. Enable the FSMC clock 4. FSMC initialization 5. Memory block enable Examp...[Details]
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If you do not use an external crystal on the STM32, the connection method of OSC_IN and OSC_OUT If you use the internal RC oscillator instead of an external crystal, please follow the following metho...[Details]
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1. A/D (Analog-to-Digital) and D/A (Digital-to-Analog) Conversion 1. Pin AOUT: Analog output Vref: reference voltage AGND: Analog ground EXT: Ground OSC: Floating SCL，SDA：IIC AIN0, AIN1, AIN2: anal...[Details]
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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]
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In one of my products, there are two chips, AVR and PIC, at the same time. When AVR drives the relay, then drives the contactor. PIC is used for display. I found that PIC actually has a little interf...[Details]
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Not long ago, we discussed the disruptive trends that will change the future of display solutions and the changes that High Dynamic Range (HDR) can bring , which provides a more realistic...[Details]
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"Now I can't even afford a
memory
stick
to equip my computer
." The price of
memory
sticks has risen rapidly recently. Take 8GB Kingston
memory sticks
as an example. Compared...[Details]
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Semiconductor giant Intel has launched the desktop version of the 8th generation Coffee Lake architecture
Core
processor more than a month ago, and its performance is said to be 30% to 40% ...[Details]
DSP and ARM Processors
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