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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 File /**...[Details]

In the actual project development process, it is common to encounter modifications to the hardware circuit, and then the modified part requires the modification of the driver. Thinking about the comi...[Details]

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]

Function List and Notes (lower-level driver part) 1. IO port initialization: control IO and communication IO. Control includes power control, reset and low power mode. Communication is the serial po...[Details]

1. Initial understanding of FSMC: FSMC consists of 4 modules: (1) AHB interface (including FSMC configuration register) (2) NOR flash memory and PSRAM controller (when driving LCD, LCD is like a PSRA...[Details]

There has been a lot of news about Huawei phones recently . At the Huawei Global Analyst Conference on the 17th , Huawei announced that it will launch 5G phones in the seco...[Details]

This routine is also a classic routine on the development board. I modified the framework of the program to make it more suitable for future calls. The specific 4*4 keyboard scanning principle is rel...[Details]

Why does MCU have a watchdog? With this question, let's learn about watchdogs. Even the 51 single-chip microcomputer has a watchdog, which shows that this dog has a special meaning to us. The purpose...[Details]

Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[Details]

Requirements: Set timer T1 as an external event counter, count 500 pulses every time, then switch T1 to timing mode and output a positive pulse with a width of 10ms at P1.2. Over and over again. A...[Details]

/****************************************************************** **                                                        **  File : SPI.c     | Master Send Receive Interrupt |                   ...[Details]

　　According to a report by Russian News Agency on November 23, Alexander Hanin, founder and general manager of VisionLabs, a Russian facial recognition software development company, believes that in ...[Details]

"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]

Starting this month, 39 electric vehicle charging stations in Urumqi have begun to be upgraded to the new national standard, and it is planned to be completed by the end of the year. On the 21...[Details]

    The top row of pins is the row, and the bottom row of pins is the column. The row is the LED anode.     Each row and column is controlled by four 74HC573, each controlling 8 pins. At the sa...[Details]