, , .
, /.
20.17 .
20.17
SA1 SA2, RA2 RA3 .
VD1 VD2, RB15 RB13 .
LR20_1
#include <P33FJ32MC204.h>
#define FOSC 7370000
#define FCY (FOSC / 2) //
//
_FOSCSEL(FNOSC_FRC) //
//
void main()
{
TRISBbits.TRISB15 = 0; // VD1 (RB15)
while (1)
{
__delay32(FCY); //
LATBbits.LATB15 = 1;
__delay32(FCY);
LATBbits.LATB15 = 0;
}
}
LR20_2
#include <P33FJ32MC204.h>
_FOSCSEL(FNOSC_FRC) //
//
// T1
void Init_Timer1()
{
T1CON = 0; //
IFS0bits.T1IF = 0; //
IEC0bits.T1IE = 1; //
TMR1 = 0x0000; //
PR1 = 0x0E65; //
T1CONbits.TON = 1; //
//
}
int _ms = 0;
void __attribute__((interrupt, no_auto_psv)) _T1Interrupt()
// T1
{
_ms++;
IFS0bits.T1IF = 0; //
TMR1 = 0; //
}
void main()
{
Init_Timer1();
TRISBbits.TRISB15 = 0; // VD1 (RB15)
while (1)
{
if (_ms < 1000)
{
LATBbits.LATB15 = 0;
}
else if (_ms < 2000)
{
LATBbits.LATB15 = 1; }
else
{
_ms = 0;
}
}
}
LR20_3
#include <p33fj32mc204.h>
#define FOSC 7370000
#define FCY (FOSC/2)
_FOSC(OSCIOFNC_ON & POSCMD_NONE)
// RA2
//
_FOSCSEL(FNOSC_FRC) //
//
//
void __delay32(unsigned long cycles);
int main()
{
TRISBbits.TRISB15 = 0; // VD1 TRISBbits.TRISB13 = 0; // VD2
TRISAbits.TRISA2 = 1; // SA1
TRISAbits.TRISA3 = 1; // SA2
|
|
|
while (1)
{
if (PORTAbits.RA2 == 1 && PORTAbits.RA3 == 1)
// SA1 SA2
{
__delay32(FCY);
LATBbits.LATB15 = 1;
LATBbits.LATB13 = 0;
__delay32(FCY);
LATBbits.LATB15 = 0;
LATBbits.LATB13 = 1;
}
else
{
LATBbits.LATB15 = 0;
LATBbits.LATB13 = 0;
}
}
}
1 : 2-45 01 03 , 2‑45 01 02 , . 5 . . 4: ; . 5: . / . . . . : , 2009. . 4 63 .; . 5 85 .
2 Data sheet. dsPIC33FJ32MC202/204. Microchip. 2012. 290 c.
3 MPLAB IDE Users Guide. Microchip. 2009. 155 c.
. 3
12 3
13 Sim8085 Microprocessor Simulator 11
14 ... 20
15 25
16 .. 32
17 MPLAB IDE 40
18 dsPIC33F . 47
19 - dsPIC33F 65
20 dsPIC33F. 83
.. 102
