#define LED PC_ODR_ODR1
void GPIO_INIT() // PC1 push-pull output
{
PC_DDR_DDR1=1;
PC_CR1_C11=1;
LED=1; // Turn off LED first
}
void TIM2_INIT()
{
TIM2_PSCR_PSC=11; // Counter clock F_CLK=F_CPU/2 to the PSC power, here is 2 to the 11th power
TIM2_ARRH=0X03; // Automatically reload the high 8 bits
TIM2_ARRL=0XE8; // Automatically reload the low 8 bits TIM2_ARR=0X03E8=1000, that is, counting 1000 times to generate an interrupt
TIM2_IER_UIE=1; // Allow interrupt updates
TIM2_CR1_CEN=1; // Enable counter
}
#pragma vector=TIM2_OVR_UIF_vector // Once the timer count overflows, an interrupt is triggered
__interrupt void TIM2_OVR_UIF()
{
LED=~LED; //When the interrupt is triggered, the LED value is inverted
TIM2_SR1_UIF=0; //Update the interrupt flag
}
void main()
{
asm("sim"); //Turn off global interrupt
GPIO_INIT();
TIM2_INIT();
asm("rim"); //Turn on global interrupt
while(1);
}
Previous article：The eighth program of STM8S208R8 --- timer interrupt and long key press
Next article：The sixth program of STM8S208R8 --- interrupt and navigation key
- Popular Resources
- Popular amplifiers
Bicycle computer based on GD32E231C8T6
MSP430 Study Notes
Blue Bridge Cup MCU real questions
Fundamentals of Analog Electronics Technology
Punctual Atomic teaches you step by step how to learn STM32-M7
Xiaomei Ge’s FPGA introduction to practical special training class full HD record (2019)
Punctual Atomic teaches you step by step how to learn STM32-M4
Punctual Atomic teaches you step by step how to learn STM32-M3
- Download from the Internet--ARM Getting Started NotesA brief introduction: From today on, the ARM notebook of the rookie is open, and it can be regarded as a place to store these notes. Why publish it? Maybe you are interested in it. In fact, the reason for these notes is ...
- Learn ARM development(22)Turning off and on interrupts Interrupts are an efficient dialogue mechanism, but sometimes you don't want to interrupt the program while it is running. For example, when you are printing something, the program suddenly interrupts and another ...
- Learn ARM development(21)First, declare the task pointer, because it will be used later. Task pointer volatile TASK_TCB* volatile g_pCurrentTask = NULL;volatile TASK_TCB* vol ...
- Learn ARM development(20)With the previous Tick interrupt, the basic task switching conditions are ready. However, this "easterly" is also difficult to understand. Only through continuous practice can we understand it. ...
- Learn ARM development(19)After many days of hard work, I finally got the interrupt working. But in order to allow RTOS to use timer interrupts, what kind of interrupts can be implemented in S3C44B0? There are two methods in S3C44B0. ...
- Learn ARM development(14)
- Learn ARM development(15)
- Learn ARM development(16)
- Learn ARM development(17)
Professor at Beihang University, dedicated to promoting microcontrollers and embedded systems for over 20 years.
- Innolux's intelligent steer-by-wire solution makes cars smarter and safer
- 8051 MCU - Parity Check
- How to efficiently balance the sensitivity of tactile sensing interfaces
- What should I do if the servo motor shakes? What causes the servo motor to shake quickly?
- 【Brushless Motor】Analysis of three-phase BLDC motor and sharing of two popular development boards
- Midea Industrial Technology's subsidiaries Clou Electronics and Hekang New Energy jointly appeared at the Munich Battery Energy Storage Exhibition and Solar Energy Exhibition
- Guoxin Sichen | Application of ferroelectric memory PB85RS2MC in power battery management, with a capacity of 2M
- Analysis of common faults of frequency converter
- In a head-on competition with Qualcomm, what kind of cockpit products has Intel come up with?
- Dalian Rongke's all-vanadium liquid flow battery energy storage equipment industrialization project has entered the sprint stage before production
- Allegro MicroSystems Introduces Advanced Magnetic and Inductive Position Sensing Solutions at Electronica 2024
- Car key in the left hand, liveness detection radar in the right hand, UWB is imperative for cars!
- After a decade of rapid development, domestic CIS has entered the market
- Aegis Dagger Battery + Thor EM-i Super Hybrid, Geely New Energy has thrown out two "king bombs"
- A brief discussion on functional safety - fault, error, and failure
- In the smart car 2.0 cycle, these core industry chains are facing major opportunities!
- The United States and Japan are developing new batteries. CATL faces challenges? How should China's new energy battery industry respond?
- Murata launches high-precision 6-axis inertial sensor for automobiles
- Ford patents pre-charge alarm to help save costs and respond to emergencies
- New real-time microcontroller system from Texas Instruments enables smarter processing in automotive and industrial applications
- The STM32F103VBT6 resets with a button. After releasing the button, it takes three or four seconds for the microcontroller to execute the program.
- [Xianji HPM6750 Review] + Unboxing
- C2000 combines capacitive touch and host controller functions
- 7660 chip common mode inductor manufacturer
- "【TGF4042 Signal Generator】" High-frequency distortion measurement
- Video chip recommendation
- About MSP430 watchdog settings
- Compilation warnings
- Detailed explanation of FPGA - the driving engine of the artificial intelligence era
- Qorvo Online Design Conference - Ultra-Wideband Technology: Use Cases and Benefits
京公网安备 11010802033920号