can ban gtmt voi vdk avr

8/4/2019 Can Ban Gtmt Voi Vdk Avr

1/17

hocdelam.org

Giao ti p my tnh vi vi iu khi n AVR. Th hai, 27 Thng 4 2009 07:13 lehoanganh - Hocdelam Group .

Tm t t:

Bi vit ny nh m mc ch hng dn cc bn mi lm quen vi iu khin AVR. Tc gi ch n phngphp s dng h nh nh km theo s ch thch trc tip to nn tnh tr c quan, sinh ng, hng dny nhm gip cho cc bn sp t m hi u hoc ang t m hi u v vn ny c th t m th y s hu cht bi vit. Bi vit ny ch hng dn phn cc phn cn bn nht. Mong rng n s l n n tng gip ccbn c qua c th t lm cc Project ph c tp hn. Ni dung bi vit chia lm 2 ph n chnh:

Ph n 1- Hng dn cch to 1 bng iu khin n gin truyn nhn d liu dng VisualStudio C++ 2005.Ph n 2- Dng ph n mm CodeVisionAVR C Compiler vit code truyn nhn d liu cho VK.

Chu n b:

Ph n cng: Kit th nghim Atmega32 + Mch np + Cp cng COM.Ph n mm s dng:

Visual Studio.NET 2005.CodeVisionAVR C Compiler

Chng tr nh n p AVR Prog.

Thi gian thc hin: 30 pht

Ni dung:

Thit k 1 bng iu khin n gin truyn nhn d liu t PC v VK dng Visual Studio 2005(hoc VB6.0). Dng ph n mm CodeVisionAVR C Compiler vit code truyn nhn d liu cho VK.

ng dng :

S dng h tr mt phn trong cc ti tt nghip, n, tiu lun, ngh nghip trong tng lai ...

Kt qu:

Hnh 1: y l giao din truyn nhn d liu sau khi l m xong.


2/17

hocdelam.org

Cch th c hin nh sau: Ph n 1- Dng ph n mm CodeVisionAVR C Compiler vit code truyn nhn d liu cho VK.

Hnh 2: T o Pro ject m i trong CodeVisionAVR C Compiler

Hnh 3: Ch n Chip v giao ti p USART.


3/17

hocdelam.org

Hnh 4: Ch n cu h nh input, output v sinh code.PORTD.0 = In, PORTD.1 = Out, PORTC = Out

Hnh 5: Vi t code thc hin vic truyn nhn d liu.


4/17

hocdelam.org

Ph n 2- Hng dn cch to 1 bng iu khin n gin truyn nhn d liu d ng Visual StudioC++ 2005.

Hnh 6: M chng tr nh Visual Studio C++ 2005 t o Project mi.

Hnh 7: Ch n lp tr nh Windows Forms Application, t tn v ch n ni lu Project


5/17

hocdelam.org

Hnh 8: Cch m cc ca s Solution Explorer, Toolbox, Error List.

Hnh 9: Cc c a s cn ch Solution Explorer, Toolbox, Properties, Error List.


6/17

hocdelam.org

Hnh 10: M cc tag Solution Explorer, Propertie s ( thay i thuc tnh cc component).

Hnh 11: L y cc component t thanh Toolbox.


7/17

hocdelam.org

Hnh 12 : t tn v vi t Text cho cc Button trong thanh Properties.

Hnh 13: Vi t code cho cc Button.


8/17

hocdelam.org

Hnh 14: Built v Debug chng tr nh.


9/17


10/17

hocdelam.org unsigned char rx_wr_index,rx_rd_index,rx_counter;#elseunsigned int rx_wr_index,rx_rd_index,rx_counter;#endif

// This flag is set on USART Receiver buffer overflowbit rx_buffer_overflow;

// USART Receiver interrupt service routineinterrupt [USART_RXC] void usart_rx_isr(void){char status,data;status=UCSRA;data=UDR;if ((status & (FRAMING_ERROR | PARITY_ERROR | DATA_OVERRUN))==0)

{rx_buffer[rx_wr_index]=data;if (++rx_wr_index == RX_BUFFER_SIZE) rx_wr_index=0;if (++rx_counter == RX_BUFFER_SIZE)

{rx_counter=0;rx_buffer_overflow=1;};

};}

#ifndef _DEBUG_TERMINAL_IO_ // Get a character from the USART Receiver buffer#define _ALTERNATE_GETCHAR_ #pragma used+char getchar(void){char data;

while (rx_counter==0);data=rx_buffer[rx_rd_index];if (++rx_rd_index == RX_BUFFER_SIZE) rx_rd_index=0;#asm("cli")--rx_counter;#asm("sei")return data;}#pragma used-#endif

// USART Transmitter buffer#define TX_BUFFER_SIZE 128

char tx_buffer[TX_BUFFER_SIZE];#if TX_BUFFER_SIZE


11/17

hocdelam.org {if (tx_counter)

{--tx_counter;UDR=tx_buffer[tx_rd_index];if (++tx_rd_index == TX_BUFFER_SIZE) tx_rd_index=0;};

}

#ifndef _DEBUG_TERMINAL_IO_ // Write a character to the USART Transmitter buffer#define _ALTERNATE_PUTCHAR_ #pragma used+void putchar(char c){while (tx_counter == TX_BUFFER_SIZE);#asm("cli")if (tx_counter || ((UCSRA & DATA_REGISTER_EMPTY)==0))

{tx_buffer[tx_wr_index]=c;if (++tx_wr_index == TX_BUFFER_SIZE) tx_wr_index=0;++tx_counter;}

elseUDR=c;

#asm("sei")}#pragma used-#endif

// Standard Input/Output functions#include

// Declare your global variables here

void main(void){

// Declare your local variables here

// Input/Output Ports initialization // Port A initialization // Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In // State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=TPORTA=0x00;DDRA=0x00;

// Port B initialization // Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In // State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=TPORTB=0x00;DDRB=0x00;

// Port C initialization // Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In // State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=TPORTC=0xFF;


12/17

hocdelam.org DDRC=0xFF;

// Port D initialization // Func7=Out Func6=Out Func5=Out Func4=Out Func3=Out Func2=Out Func1=Out Func0=In // State7=0 State6=0 State5=0 State4=0 State3=0 State2=0 State1=0 State0=TPORTD=0x00;DDRD=0xFE;

// Timer/Counter 0 initialization // Clock source: System Clock // Clock value: Timer 0 Stopped // Mode: Normal top=FFh // OC0 output: DisconnectedTCCR0=0x00;TCNT0=0x00;OCR0=0x00;

// Timer/Counter 1 initialization // Clock source: System Clock // Clock value: Timer 1 Stopped // Mode: Normal top=FFFFh // OC1A output: Discon. // OC1B output: Discon. // Noise Canceler: Off // Input Capture on Falling Edge // Timer 1 Overflow Interrupt: Off // Input Capture Interrupt: Off // Compare A Match Interrupt: Off // Compare B Match Interrupt: OffTCCR1A=0x00;TCCR1B=0x00;TCNT1H=0x00;TCNT1L=0x00;

ICR1H=0x00;ICR1L=0x00;OCR1AH=0x00;OCR1AL=0x00;OCR1BH=0x00;OCR1BL=0x00;

// Timer/Counter 2 initialization // Clock source: System Clock // Clock value: Timer 2 Stopped // Mode: Normal top=FFh // OC2 output: DisconnectedASSR=0x00;

TCCR2=0x00;TCNT2=0x00;OCR2=0x00;

// External Interrupt(s) initialization // INT0: Off // INT1: Off // INT2: OffMCUCR=0x00;MCUCSR=0x00;


13/17

hocdelam.org

// Timer(s)/Counter(s) Interrupt(s) initializationTIMSK=0x00;

// USART initialization // Communication Parameters: 8 Data, 1 Stop, No Parity // USART Receiver: On // USART Transmitter: On // USART Mode: Asynchronous // USART Baud rate: 9600UCSRA=0x00;UCSRB=0xD8;UCSRC=0x86;UBRRH=0x00;UBRRL=0x67;

// Analog Comparator initialization // Analog Comparator: Off // Analog Comparator Input Capture by Timer/Counter 1: OffACSR=0x80;SFIOR=0x00;

// Global enable interrupts#asm("sei")

while (1){k=getchar();switch(k){case 'a':

PORTC=0B00001111;putchar('b');

break;case 'b':PORTC=0B11110000;putchar('c');break;

case 'c':PORTC=0B01010101;putchar('d');break;

case 'd':PORTC=0B00000000;putchar('e');break;

case 'e':PORTC=0B11111111;putchar('f');break;

default:putchar(k);

};}}


14/17

hocdelam.org

Code Giao di n truyn nhn:

#pragma once

namespace TestStringC {

using namespace System;using namespace System::ComponentModel;using namespace System::Collections;using namespace System::Windows::Forms;using namespace System::Data;using namespace System::Drawing;

/// /// Summary for Form1////// WARNING: If you change the name of this class, you will need to

change the

/// 'Resource File Name' property for the managed resourcecompiler tool

/// associated with all .resx files this class depends on.Otherwise,

/// the designers will not be able to interact properly withlocalized

/// resources associated with this form./// public ref class Form1 : public System::Windows::Forms::Form{public :

Form1( void ){

InitializeComponent();////TODO: Add the constructor code here//

}

protected :/// /// Clean up any resources being used./// ~Form1(){

if (components){

delete components;}

}private : System::IO::Ports::SerialPort^ sp1;private : System::Windows::Forms::TextBox^ txtt;private : System::Windows::Forms::Button^ btnt;private : System::Windows::Forms::TextBox^ txtr;private : System::Windows::Forms::Button^ btnr;private : System::Windows::Forms::Button^ btnc;protected :


15/17

hocdelam.org private : System::ComponentModel::IContainer^ components;

private :/// /// Required designer variable./// String^s; // khai bao chuoi sString^a; // khai bao chuoi a

#pragma region Windows Form Designer generated code/// /// Required method for Designer support - do not modify/// the contents of this method with the code editor./// void InitializeComponent( void ){

this ->components = ( gcnew System::ComponentModel::Container());

this ->sp1 = ( gcnew System::IO::Ports::SerialPort( this ->components));

this ->txtt = ( gcnew System::Windows::Forms::TextBox());this ->btnt = ( gcnew System::Windows::Forms::Button());this ->txtr = ( gcnew System::Windows::Forms::TextBox());this ->btnr = ( gcnew System::Windows::Forms::Button());this ->btnc = ( gcnew System::Windows::Forms::Button());this ->SuspendLayout();//// txtt//this ->txtt->Location = System::Drawing::Point(18, 25);this ->txtt->Name = L "txtt" ;this ->txtt->Size = System::Drawing::Size(73, 20);this ->txtt->TabIndex = 0;//// btnt//this ->btnt->Location = System::Drawing::Point(125, 25);this ->btnt->Name = L "btnt" ;this ->btnt->Size = System::Drawing::Size(75, 23);this ->btnt->TabIndex = 1;this ->btnt->Text = L "Transmit" ;this ->btnt->UseVisualStyleBackColor = true ;this ->btnt->Click += gcnew System::EventHandler( this ,

&Form1::btnt_Click);//

// txtr//this ->txtr->Location = System::Drawing::Point(18, 82);this ->txtr->Name = L "txtr" ;this ->txtr->Size = System::Drawing::Size(73, 20);this ->txtr->TabIndex = 0;//// btnr//this ->btnr->Location = System::Drawing::Point(125, 80);


16/17

hocdelam.org this ->btnr->Name = L "btnr" ;this ->btnr->Size = System::Drawing::Size(75, 23);this ->btnr->TabIndex = 1;this ->btnr->Text = L "Receive" ;this ->btnr->UseVisualStyleBackColor = true ;this ->btnr->Click += gcnew System::EventHandler( this ,

&Form1::btnr_Click);//// btnc//this ->btnc->Location = System::Drawing::Point(77, 133);this ->btnc->Name = L "btnc" ;this ->btnc->Size = System::Drawing::Size(75, 23);this ->btnc->TabIndex = 1;this ->btnc->Text = L "Clear" ;this ->btnc->UseVisualStyleBackColor = true ;this ->btnc->Click += gcnew System::EventHandler( this ,

&Form1::btnc_Click);//// Form1

//this ->AutoScaleDimensions = System::Drawing::SizeF(6, 13);this ->AutoScaleMode =

System::Windows::Forms::AutoScaleMode::Font;this ->ClientSize = System::Drawing::Size(226, 175);this ->Controls->Add( this ->btnc);this ->Controls->Add( this ->btnr);this ->Controls->Add( this ->txtr);this ->Controls->Add( this ->btnt);this ->Controls->Add( this ->txtt);this ->Name = L "Form1" ;this ->Text = L "Form1" ;this ->Load += gcnew System::EventHandler( this ,

&Form1::Form1_Load);this ->ResumeLayout( false );this ->PerformLayout();

}#pragma endregionprivate : System::Void btnt_Click(System::Object^ sender, System::EventArgs^e) {

s=txtt->Text; // gan chuoi tu textbox txtt va ssp1->WriteLine(s); // gui chuoi s xuong VDK

}

private : System::Void btnr_Click(System::Object^ sender, System::EventArgs^

e) {

a=sp1->ReadLine(); // nhan chuoi tu VDK gui len demgan vao chuoi a

txtr->Text=a; // gui chuoi a len textbox txtr

}private : System::Void btnc_Click(System::Object^ sender, System::EventArgs^e) {


17/17

hocdelam.org txtr->Text= "" ; // chuoi rongtxtt->Text= "" ;

}private : System::Void Form1_Load(System::Object^ sender, System::EventArgs^e) {

sp1->Open(); // mo cong ngay khi Form1 vua Debug}

};}

can ban gtmt voi vdk avr

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