Phần mã nguồn các phần mềm nhúng điều khiển cho các mạch
1- Phần mã nguồn điều khiển cho mạch Master Chip type : ATmega128
Program type : Application Clock frequency : 16.000000 MHz Memory model : Small
External SRAM size : 0 Data Stack size : 1024
*****************************************************/ #include <mega128.h> #include <delay.h> #include "lcdcustom.c" #include "sw.h" #include "LcdCommand.h" #include "acc.h" #define TX_MODE 1 #define RX_MODE 0
#define RS485_N0_DIR PORTD.7
#define MAX_SID 3 // Max slave IDs #define QUERY_TIMER 1 // N
#define TIMER QUERY_TIMER*10 // N x 16ms // Defines
#define FID_NO 1 #define A_LENGHT 13
unsigned char Dulieu_Floor[A_LENGHT]={'{','O','K',FID_NO,0,0,0,0,0,0,0,0,'}'}; unsigned int count=0;
unsigned char SID_NO; // IDs of Slave 0 -> 31
unsigned char FRAME_Length; // Length of receive frame
#define MAX_LENGTH 20 // Define max length of receive buffer unsigned char R_Buffer[MAX_LENGTH]; // Receive buffer for Slave IDs data union Long_Bytes
{
unsigned long DL_LONG;
unsigned char DL_BYTE[4]; } DULIEU;
bit DATA_Flag=FALSE; // Transmit to master when DATA ready #define UDRE0 UCSR0A.5
#define RXC0 UCSR0A.7 // Declare your global variables here
extern unsigned char STATE_MACHINE; extern flash byte coltech_0[8];
extern flash byte coltech_1[8]; extern flash byte coltech_2[8]; extern flash byte coltech_3[8]; extern flash byte coltech_4[8]; extern flash byte coltech_5[8]; void main(void)
{
while (1) {
// Place your code here switch(STATE_MACHINE) {
case ACC_LOGIN_STATE: ACC_LOGIN_ACTION(); break;
case PASS_LOGIN_STATE: PASS_LOGIN_ACTION(); break;
case CHECK: CHECK_ACTION(); break;
case MONITER: MONITER_ACTION(); break;
} };
}
//=======================================================
// Alphanumeric LCD Module functions #asm
.equ __lcd_port=0x18 ;PORTB #endasm
#include <lcd.h> void Init_uC() { #asm("cli")
PORTA=0xFF; DDRA=0xFF;
// 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=T PORTB=0x00; DDRB=0x00; // Port C initialization PORTC=0xFF; DDRC=0xFF; // Port D initialization PORTD=0xFF; DDRD=0xFF; // Port E initialization PORTE=0xFF; DDRE=0xCF; // Port G initialization PORTG=0x1F; DDRG=0x1F; // Timer/Counter 0 initialization // Clock source: System Clock // Clock value: 15.625 kHz // Mode: Normal top=FFh // OC0 output: Disconnected ASSR=0x00;
TCCR0=0x07; TCNT0=0x82; // 5 OCR0=0x00;
// Timer/Counter 1 initialization // Clock source: System Clock // Clock value: 62.500 kHz // Mode: Normal top=FFFFh // OC1A output: Discon.
OCR1BH=0x00; OCR1BL=0x00; OCR1CH=0x00; OCR1CL=0x00;
// Timer/Counter 2 initialization // Clock source: System Clock // Clock value: Timer 2 Stopped // Mode: Normal top=FFh
// OC2 output: Disconnected TCCR2=0x00;
TCNT2=0x00; OCR2=0x00;
// Timer/Counter 3 initialization // Clock source: System Clock
// Clock value: 15.625 kHz // Mode: Normal top=FFFFh // Noise Canceler: Off
// Input Capture on Falling Edge // OC3A output: Discon.
// OC3B output: Discon. // OC3C output: Discon.
// Timer 3 Overflow Interrupt: On // Input Capture Interrupt: Off // Compare A Match Interrupt: Off // Compare B Match Interrupt: Off // Compare C Match Interrupt: Off
TCCR3A=0x00; TCCR3B=0x05; TCNT3H=0x00; TCNT3L=0x00; ICR3H=0x00; ICR3L=0x00; OCR3AH=0x00; OCR3AL=0x00; OCR3BH=0x00; OCR3BL=0x00; OCR3CH=0x00; OCR3CL=0x00;
// External Interrupt(s) initialization // INT0: Off
// INT1: Off // INT2: Off // INT3: Off // INT4: On
// INT4 Mode: Faling Edge // INT5: Off // INT6: Off // INT7: Off EICRA=0x00; EICRB=0x03; EIMSK=0x10; EIFR=0x10; // USART0 initialization
// Communication Parameters: 8 Data, 1 Stop, No Parity // USART0 Receiver: On
// USART0 Transmitter: On // USART0 Mode: Asynchronous // USART0 Baud rate: 38400
UCSR1B=0xD8; UCSR1C=0x06;
UBRR1H=0x00;
UBRR1L=0x19;
// Timer(s)/Counter(s) Interrupt(s) initialization TIMSK=0x05;
ETIMSK=0x00;
// Analog Comparator initialization // Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off ACSR=0x80;
SFIOR=0x00;
// LCD module initialization lcd_init(20);
// Global enable interrupts #asm("sei")
}
//========================================================== // USART0 Transmitter interrupt service routine
interrupt [USART0_TXC] void usart0_tx_isr(void) {
To_SLAVE(); }
//========================================================== // Interrupt to get slave data
// USART0 Receiver interrupt service routine
interrupt [USART0_RXC] void usart0_rx_isr(void) {
static bit FRAME_flag = FALSE; static unsigned char byte_no = 0; unsigned char c; c=UDR0; if(c=='{') { byte_no=0; FRAME_flag=TRUE; } if(FRAME_flag) { R_Buffer[byte_no]=c; if(c=='}') { FRAME_flag=FALSE;
if((R_Buffer[1]=='O') & (R_Buffer[2]=='K')) { FRAME_Length=byte_no+1; //RS485_DATA_ToSend(R_Buffer[3]); DATA_Flag=TRUE; } } else { byte_no++; } } } //==========================================================
if(c!=CHECK_OK[byte_no]) byte_no=0; else { byte_no++; } } else { Command=c; byte_no=0; if(Command=='?') { if(DATA_Flag) To_MASTER(); } } } //======================================================= // Request slave data
#define Q_LENGHT 4
unsigned char QUESTION[Q_LENGHT]={'O','K',0xff,'?'}; void To_SLAVE()
{
static unsigned char byte_no = 0; if(byte_no<Q_LENGHT)