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| /*********************************************************************
*
* PIC32MX
*
*********************************************************************
*
* FileName: main.c
*
* Dependencies: plib.h
*
* Processor: PIC32MX
*
* Complier: MPLAB C32
* MPLAB IDE
*
* Company:
*
* auteur:
*
*********************************************************************/
#include <plib.h>
#include "fonction.h"
#define extern
#include "definition.h"
#undef extern
#if defined (__32MX360F512L__) || (__32MX460F512L__) || (__32MX795F512L__) || (__32MX430F064L__)
// clock X20 , clock /2 , clock/? ,Validation du wathdog
#pragma config FPLLMUL = MUL_20, FPLLIDIV = DIV_2, FPLLODIV = DIV_1, FWDTEN = ON
// Mode oscillateur int, pas de PLL, FPB/1
#pragma config POSCMOD = OFF, FNOSC = FRC, FPBDIV = DIV_1
#endif
//struct input BP;
void init_port(void)
{
// Clear PORT bits so there are no unexpected flashes when setting
// them to output in the next step
mPORTDClearBits(BIT_2 |BIT_1 | BIT_0);
mPORTDClearBits(BIT_6 |BIT_7 | BIT_13);
mPORTBClearBits(BIT_8|BIT_9 |BIT_10 | BIT_11|BIT_13|BIT_14 |BIT_15);
mPORTAClearBits(BIT_1);
// PORT as input analogique
PORTSetPinsAnalogIn(IOPORT_B, BIT_3 | BIT_2| BIT_1| BIT_0);
// PORT as output digital
mPORTDSetPinsDigitalOut(BIT_2 |BIT_1 | BIT_0);
mPORTBSetPinsDigitalOut(BIT_8|BIT_9 |BIT_10 | BIT_11);
// PORT as input digital
mPORTDSetPinsDigitalIn(BIT_6|BIT_7 |BIT_13);
mPORTBSetPinsDigitalIn(BIT_13|BIT_14 |BIT_15);
mPORTASetPinsDigitalIn(BIT_1);
}
void init_timer1(void)
{
// Configure Timer 1 using PBCLK as input, 1:256 prescaler
// Period matches the Timer 1 frequency, so the interrupt handler
// will trigger every one second...
//OpenTimer1(T1_ON | T1_SOURCE_INT | T1_PS_1_1, PERIOD);
T1CONbits.ON=1; //enable clock timer1
T1CONbits.TCS=0; //internal clock
//T1CONbits.TCKPS=0; //Prescalaire 1:1
T1CONbits.TCKPS=1; //Prescalaire 1:8
//T1CONbits.TCKPS=2; //Prescalaire 1:64
//T1CONbits.TCKPS=3; //Prescalaire 1:256
WriteTimer1(COMPTAGE);
INTClearFlag(INT_T1);
// Set up the timer interrupt
//INTEnable(INT_T1, INT_ENABLED);
ConfigIntTimer1(T1_INT_ON | T1_INT_PRIOR_2);
//priority of 2
//INTSetVectorPriority(INT_TIMER_1_VECTOR, INT_PRIORITY_LEVEL_2);
//INTSetVectorSubPriority(INT_TIMER_1_VECTOR, INT_SUB_PRIORITY_LEVEL_0);
// set up the core timer interrupt with a prioirty of 2 and zero sub-priority
//mConfigIntCoreTimer((CT_INT_ON | CT_INT_PRIOR_2 | CT_INT_SUB_PRIOR_0));
}
/**********************************************************************************************
*
* Interruption
*
*
***********************************************************************************************/
// Configure the Timer 1 interrupt handler
void __ISR(_TIMER_1_VECTOR, ipl2) Timer1Handler(void)
{
// Clear the interrupt flag
INTClearFlag(INT_T1);
ms++;
WriteTimer1(COMPTAGE);
}
// Configure l'interruption des entrées pullup
void __ISR(_CHANGE_NOTICE_VECTOR, ipl3) ChangeNotice_Handler(void)
{
// Step #1 - always clear the mismatch condition first
mCNClearIntFlag();
// ms=0;
if (mPORTDReadBits(BIT_6)==0) sw=1;
if (mPORTDReadBits(BIT_7)==0) sw=2;
if (mPORTDReadBits(BIT_13)==0) sw=3;
if (mPORTBReadBits(BIT_15)==0) sw=0;
//if (mPORTBReadBits(BIT_15)==0) sw=0;
//sw=mPORTBReadBits(BIT_13);
//sw=mPORTBReadBits(BIT_14);
//sw=mPORTBReadBits(BIT_15);
//sw=mPORTAReadBits(BIT_0);
// Step #2 - then clear the interrupt flag
}
void __ISR(_EXTERNAL_0_VECTOR,ipl4) INT1Handler()
{
INTClearFlag(INT_INT0);
if (mPORTBReadBits(BIT_13)==1) sw=3;
if (mPORTBReadBits(BIT_14)==1) sw=3;
if (mPORTAReadBits(BIT_1)==1) sw=3;
}
//*************************************************************************************************
void init_variable(void)
{
ms=0;
sw=0;
}
void clignotement(void)
{
switch(sw)
{
case 0 : while (ms>=ONE_SECOND)
{
// Toggle LEDs on the Explorer-16
mPORTDToggleBits(BIT_2 | BIT_1 | BIT_0);
mPORTBToggleBits(BIT_8|BIT_9 |BIT_10 | BIT_11);
ms=0;
}
//goto SELECT;
break;
case 1 : while(ms>=DEMI_SECOND)
{
// Toggle LEDs on the Explorer-16
mPORTDToggleBits(BIT_2 | BIT_1 | BIT_0);
mPORTBToggleBits(BIT_8|BIT_9 |BIT_10 | BIT_11);
ms=0;
}
//goto SELECT;
break;
case 2 : while(ms>=CENTMS_SECOND)
{
// Toggle LEDs on the Explorer-16
mPORTDToggleBits(BIT_2 | BIT_1 | BIT_0);
mPORTBToggleBits(BIT_8|BIT_9 |BIT_10 | BIT_11);
ms=0;
}
//goto SELECT;
break;
case 3 : while(ms>=CINQMS_SECOND)
{
// Toggle LEDs on the Explorer-16
mPORTDToggleBits(BIT_2 | BIT_1 | BIT_0);
mPORTBToggleBits(BIT_8|BIT_9 |BIT_10 | BIT_11);
ms=0;
}
//goto SELECT;
break;
//SELECT:ClearWDT();
ClearWDT();
}
}
void bp(void)
{
if (mPORTBReadBits(BIT_13)==1) sw=3;
if (mPORTBReadBits(BIT_14)==1) sw=3;
if (mPORTAReadBits(BIT_1)==1) sw=3;
ClearWDT();
}
int main(void)
{
// Enable change notice, enable discrete pins and weak pullups
mCNOpen(CONFIG, PINS, PULLUPS);
EnableINT0;
// Clear change notice interrupt flag
ConfigIntCN(INTERRUPT);
ConfigINT0(EXT_INT_ENABLE|RISING_EDGE_INT|EXT_INT_PRI_3 );
//Enable multi-vector interrupts
INTConfigureSystem(INT_SYSTEM_CONFIG_MULT_VECTOR);
INTEnableInterrupts();
// enable device multi-vector interrupts
INTEnableSystemMultiVectoredInt();//ClrWdt();
//init_intport();
init_timer1();
init_port();
init_variable();//ClrWdt();
//PORTSetPinsDigitalOut(IOPORT_D,BIT_3);
while (1)
{
ClearWDT();
bp();
clignotement();
ClearWDT();
}
return 0;
} |
PIC32MX compilateur IDE, PB d'interruption
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