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202 Kevin 1 
#include <xc.h>
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#include "main.h"
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#include "INTERRUPT.h"
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#include "TIMER.h"
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#include "UART.h"
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#include "I2C.h"
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void INTERRUPT_Init(void) {
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    INTCONbits.GIE = 0;
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    INTCONbits.PEIE = 1;
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}
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void INTERRUPT_Enable(void) {
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    INTCONbits.GIE = 1;
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}
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void INTERRUPT_Disable(void) {
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    INTCONbits.GIE = 0;
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}
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void interrupt INTERRUPT_Handler(void) {
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    // check Timer 1 interrupt flag
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    if (PIR1bits.TMR1IF) {
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        TIMER_1_Interrupt_Handler();
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        PIR1bits.TMR1IF = 0;
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    }
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    // Check UART RX interrupt flag
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    if (PIE1bits.RCIE) {
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        if (PIR1bits.RCIF) {
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            UART_RX_Interrupt_Handler();
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//            PIR1bits.RCIF = 0; // RXIF is read-only!
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        }
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    }
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    // Check UART TX interrupt flag
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    if (PIE1bits.TXIE) {
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        if (PIR1bits.TXIF) {
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            UART_TX_Interrupt_Handler();
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//            PIR1bits.TXIF = 0; // TXIF is read-only!
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        }
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    }
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    // Check I2C interrupt flag
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    if (PIR1bits.SSP1IF) {
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        I2C_Interrupt_Handler();
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        PIR1bits.SSP1IF = 0;
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    }
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}