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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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The trade war between China and the United States has become the focus. The United States has begun to play the ban card against Chinese technology companies. The ZTE incident shows that if the ban...[Details]
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1. The first project We are going to create the first project, which is mainly for project analysis, so that we can understand how CubeMX works and how to trace the code logic. Okay, no more nonsense...[Details]
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UART has three operation modes: polling mode, interrupt mode and DMA mode. Chip: STM32F103C8T6 Application Pin: Output: PA0, PA1 USART1 Configuration interface Add interrupt configuration Add DMA...[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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Remarks: Focus on IoT application development and share IoT technology experience. Software platform: IAR6.5 TCP/IP protocol stack: LWIP1.4.1 Hardware platform: STM32F103C8T6 wired communication ...[Details]
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introduction In the general project development process, two or more microcontrollers are often required to communicate to complete data transmission. For example, a quadcopter wirelessly transmits d...[Details]
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According to foreign media reports, the 2018 GMC Terrain Denali is equipped with multiple collision detection systems, and a recent test verified the safety of the system. Even when driving in a bu...[Details]
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STM32 uses FSMC to read and write CPLD programs. CPLD is hung on the address line and data line of STM32. CPLD is regarded as an off-chip RAM for reading and writing. On the board I made, CPLD is hun...[Details]
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In 2018, the National Development and Reform Commission issued a new photovoltaic subsidy policy. The benchmark on-grid electricity price was significantly reduced, the return on investment decreased,...[Details]
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//Observe the difference between feeding the dog and not feeding the dog, and use the LED indicator of the PB port for status indication. //Switch the LED indicator enable switch of the PB po...[Details]
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According to the description provided in the official manual of ST, it is not difficult to see that the ADC analog watchdog is actually that the user can set an upper and lower limit of the AD value...[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. Analysis of the main causes of AVR damage: The AVR circuit consists of three parts: the rectifier main circuit, the voltage detection circuit, and the comparison control circuit. Excluding the...[Details]