Check the manual, write the program, and discuss if there are any problems
*****************************************************************
//CPU:mega32
//Compiler:iar
#include "adc.h" int main(void) void adc_init(void) } int adc_get(char channel)
#include
{
int m;
adc_init();
m = adc_get(0);
m=m;
while(1);
}
{
ADMUX = 1<
{
int n;
if (channel > 7 && (ADMUX & 0x1f) <= 7 )
{
ADMUX = ADMUX & 0xE0 | channel;//Select channel
for(i=300;i>0;i--);//Converting to differential channel requires 125us delay! !
}
else
ADMUX = ADMUX & 0xE0 | channel;//Select channel
ADCSRA |= 1<<ADSC; //Start conversion
while( ADCSRA & (1<
n = n & 0x00ff | ADCH<<8 ;
return n;
}
Previous article：The simplest interrupt program for mega32 microcontroller - external interrupt
Next article：Some study notes on AVR microcontrollers
- Popular Resources
- Popular amplifiers
TLC072AIP
- 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.
- LED chemical incompatibility test to see which chemicals LEDs can be used with
- Application of ARM9 hardware coprocessor on WinCE embedded motherboard
- What are the key points for selecting rotor flowmeter?
- LM317 high power charger circuit
- A brief analysis of Embest's application and development of embedded medical devices
- Single-phase RC protection circuit
- stm32 PVD programmable voltage monitor
- Introduction and measurement of edge trigger and level trigger of 51 single chip microcomputer
- Improved design of Linux system software shell protection technology
- What to do if the ABB robot protection device stops
- Huawei's Strategic Department Director Gai Gang: The cumulative installed base of open source Euler operating system exceeds 10 million sets
- Download from the Internet--ARM Getting Started Notes
- Learn ARM development(22)
- Learn ARM development(21)
- Learn ARM development(20)
- Learn ARM development(19)
- Learn ARM development(14)
- Learn ARM development(15)
- Analysis of the application of several common contact parts in high-voltage connectors of new energy vehicles
- Wiring harness durability test and contact voltage drop test method
- Today at 10:00 AM, live broadcast with prizes: [Introduction to TI's GaN-based applications]
- AD20.0.13 gets stuck when starting Adding View: Explorer under WIN10.
- Why are the high-precision positioning systems of Beidou and GPS not open to ordinary users?
- Low power solar cell charging
- What is the purpose of connecting multiple capacitors in parallel and using a polarized capacitor among them?
- Why are the wild elephants heading north? Use your imagination and make bold predictions!
- Bose small speaker disassembly
- Guangdong Tonly Semiconductor suffered a confined space suffocation accident: 4 workers from the outsourcing unit died
- LIS3MDL evaluation board STEVAL-MKI137V1 data
- TI Embedded Live Month: In-depth exploration of new applications of embedded products in industry and automobiles. The first live broadcast today at 10:00
京公网安备 11010802033920号