2ano/2semestre/ac2/aula08/part1-ex1.c

@@ -1,16 +0,0 @@
-#include <detpic32.h>
-
-int main() {
-    T3CONbits.TCKPS = 7;            // 1:256 prescaler
-    PR3 = 39062;                    // Fout = 20MHz / (256 * (39062 + 1)) = 2Hz
-    TMR3 = 0;                       // Reset timer T3 count register
-    T3CONbits.TON = 1;              // Enable timer T3 (must be the last command of the timer configuration sequence)
-
-    while (1) {
-        while (IFS0bits.T3IF == 0); // Wait while T3IF is 0
-        IFS0bits.T3IF = 0;          // Reset T3IF
-        putChar('.');
-    }
-
-    return 0;
-}

2ano/2semestre/ac2/aula08/part1-ex2.c

@@ -1,22 +0,0 @@
-#include <detpic32.h>
-
-void _int_(12) isr_T3(void) {
-    putChar('.');
-    IFS0bits.T3IF = 0;              // Reset timer T3 interrupt flag
-}
-
-int main() {
-    T3CONbits.TCKPS = 7;            // 1:256 prescaler
-    PR3 = 39062;                    // Fout = 20MHz / (256 * (39062 + 1)) = 2Hz
-    TMR3 = 0;                       // Reset timer T3 count register
-    T3CONbits.TON = 1;              // Enable timer T3 (must be the last command of the timer configuration sequence)
-
-    IPC3bits.T3IP = 2;              // Interrupt priority (must be in range [1..6])
-    IEC0bits.T3IE = 1;              // Enable timer T3 interrupts
-    IFS0bits.T3IF = 0;              // Reset timer T3 interrupt flag
-
-    EnableInterrupts();             // Global Interrupt Enable
-    while (1);
-
-    return 0;
-}

2ano/2semestre/ac2/aula08/part1-ex3.c

@@ -1,24 +0,0 @@
-#include <detpic32.h>
-
-void _int_(12) isr_T3(void) {
-    static int flag = 0;
-    if (flag == 0) putChar('.');
-    flag = !flag;
-    IFS0bits.T3IF = 0;              // Reset timer T3 interrupt flag
-}
-
-int main() {
-    T3CONbits.TCKPS = 7;            // 1:256 prescaler
-    PR3 = 39062;                    // Fout = 20MHz / (256 * (39062 + 1)) = 2Hz
-    TMR3 = 0;                       // Reset timer T3 count register
-    T3CONbits.TON = 1;              // Enable timer T3 (must be the last command of the timer configuration sequence)
-
-    IPC3bits.T3IP = 2;              // Interrupt priority (must be in range [1..6])
-    IEC0bits.T3IE = 1;              // Enable timer T3 interrupts
-    IFS0bits.T3IF = 0;              // Reset timer T3 interrupt flag
-
-    EnableInterrupts();             // Global Interrupt Enable
-    while (1);
-
-    return 0;
-}

2ano/2semestre/ac2/aula08/part1-ex4.c

@@ -1,57 +0,0 @@
-#include <detpic32.h>
-
-int counters[] = {0, 0};
-
-void print() {
-    putChar('\r');
-    printStr("T1: ");
-    printInt10(0[counters]);
-    printStr(" T3: ");
-    printInt10(1[counters]);
-}
-
-void _int_(4) isr_T1(void) {
-    counters[0]++;
-    LATD ^= 0x0001;
-    LATE ^= 0x0002;
-    print();
-    IFS0bits.T1IF = 0;              // Reset timer T1 interrupt flag
-}
-
-void _int_(12) isr_T3(void) {
-    counters[1]++;
-    LATD ^= 0x0004;
-    LATE ^= 0x0008;
-    print();
-    IFS0bits.T3IF = 0;              // Reset timer T3 interrupt flag
-}
-
-int main() {
-    T1CONbits.TCKPS = 2;
-    PR1 = 62499;
-    TMR1 = 0;
-    T1CONbits.TON = 1;
-
-    T3CONbits.TCKPS = 4;
-    PR3 = 49999;
-    TMR3 = 0;
-    T3CONbits.TON = 1;
-
-    IPC1bits.T1IP = 2;              // Interrupt priority (must be in range [1..6])
-    IEC0bits.T1IE = 1;              // Enable timer T1 interrupts
-    IFS0bits.T1IF = 0;              // Reset timer T1 interrupt flag
-
-    IPC3bits.T3IP = 2;              // Interrupt priority (must be in range [1..6])
-    IEC0bits.T3IE = 1;              // Enable timer T3 interrupts
-    IFS0bits.T3IF = 0;              // Reset timer T3 interrupt flag
-
-    TRISD &= 0xFFFA;
-    LATD &= 0xFFFA;
-    TRISE &= 0xFFF5;
-    LATE &= 0xFFF5;
-
-    EnableInterrupts();             // Global Interrupt Enable
-    while (1);
-
-    return 0;
-}

2ano/2semestre/ac2/aula08/part1-ex4.txt

@@ -1,17 +0,0 @@
-Timer 1
-
-K > 20000000 / (65536 * 5)
-K > 61.035
-K = 64
-
-PR1 = ((20000000 / 64) / 5) - 1 = 62499
-
-------------------------------------------------
-
-Timer 3
-
-K > 20000000 / (65536 * 25)
-K > 12.207
-K > 16
-
-PR3 = ((20000000 / 16) / 25) - 1 = 49999

2ano/2semestre/ac2/aula08/part2-ex1.c

@@ -1,21 +0,0 @@
-#include <detpic32.h>
-
-void delay(unsigned int ms) {
-    resetCoreTimer();
-    while (readCoreTimer() < 20000 * ms);
-}
-
-int main() {
-    TRISD |= 0x0100;
-    TRISE &= 0xFFFE;
-    LATE &= 0xFFFE;
-
-    while (1) {
-        while (((PORTD >> 8) & 0x0001) == 1);
-        LATE ^= 0x0001;
-        delay(3000);
-        LATE ^= 0x0001;
-    }
-
-    return 0;
-}

2ano/2semestre/ac2/aula08/part2-ex2.c

@@ -1,42 +0,0 @@
-#include <detpic32.h>
-
-void _int_(8) isr_T2() {
-    static int c = 0;
-    if (++c == 6) {
-        T2CONbits.TON = 0;
-        LATE &= 0xFFFE;
-        c = 0;
-    }
-    IFS0bits.T2IF = 0;
-}
-
-void _int_(7) isr_INT1() {
-    LATE |= 0x0001;
-    TMR2 = 0;
-    T2CONbits.TON = 1;
-    IFS0bits.INT1IF = 0;
-}
-
-int main() {
-    TRISD |= 0x0100;
-    TRISE &= 0xFFFE;
-    LATE &= 0xFFFE;
-
-    IPC1bits.INT1IP = 2;
-    IEC0bits.INT1IE = 1;
-    IFS0bits.INT1IF = 0;
-    INTCONbits.INT1EP = 0;
-
-    IPC2bits.T2IP = 2;
-    IFS0bits.T2IF = 0;
-
-    T2CONbits.TCKPS = 7;
-    PR2 = 39062;
-    IEC0bits.T2IE = 1;
-
-    EnableInterrupts();
-
-    while (1);
-
-    return 0;
-}

2ano/2semestre/ac2/aula09/part1.c

@@ -1,91 +0,0 @@
-#include <detpic32.h>
-
-#define SAMPLES 4
-
-volatile int voltage = 0;
-
-const unsigned int dis7Scodes[] = {0x3F, 0x06, 0x5B, 0x4F, 0x66, 0x6D,
-                                   0xFD, 0x07, 0x7F, 0x6F, 0x77, 0xFC,
-                                   0x39, 0x5E, 0xF9, 0xF1};
-
-typedef enum { HIGH, LOW } display;
-
-void send2displays(unsigned char value) {
-    static display flag = LOW;
-    value = ((value / 10) << 4) + (value % 10);
-    unsigned char high = dis7Scodes[value >> 4];
-    unsigned char low = dis7Scodes[value & 0x0F];
-
-    if (flag == HIGH) {
-        LATD = (LATD & 0xFF9F) | 0x0040;
-        LATB = (LATB & 0x80FF) | high << 8;
-        flag = LOW;
-    } else {
-        LATD = (LATD & 0xFF9F) | 0x0020;
-        LATB = (LATB & 0x80FF) | low << 8;
-        flag = HIGH;
-    }
-}
-
-void _int_(4) isr_T1(void) {
-    AD1CON1bits.ASAM = 1;
-    IFS0bits.T1IF = 0;
-}
-
-void _int_(12) isr_T3(void) {
-    send2displays(voltage);
-    IFS0bits.T3IF = 0;
-}
-
-void _int_(27) isr_adc(void) {
-    int *p = (int *)(&ADC1BUF0);
-    int media = 0;
-    for (; p <= (int *)(&ADC1BUFF); p++)
-        media += *p;
-    media /= SAMPLES;
-    voltage = (media * 33 + 511) / 1023;
-    IFS1bits.AD1IF = 0;
-}
-
-int main() {
-    TRISB &= 0x80FF;
-    TRISD &= 0xFF9F;
-
-    TRISBbits.TRISB4 = 1;
-    AD1PCFGbits.PCFG4 = 0;
-    AD1CON1bits.SSRC = 7;
-    AD1CON1bits.CLRASAM = 1;
-    AD1CON3bits.SAMC = 16;
-    AD1CON2bits.SMPI = SAMPLES - 1;
-    AD1CHSbits.CH0SA = 4;
-    AD1CON1bits.ON = 1;
-
-    IPC6bits.AD1IP = 2;
-    IFS1bits.AD1IF = 0;
-    IEC1bits.AD1IE = 1;
-
-    // Configure Timer T1 with 5Hz frequency
-    T1CONbits.TCKPS = 2;
-    PR1 = 62499;
-    TMR1 = 0;
-    T1CONbits.TON = 1;
-
-    // Configure Timer T3 with 100Hz frequency
-    T3CONbits.TCKPS = 2;
-    PR3 = 49999;
-    TMR3 = 0;
-    T3CONbits.TON = 1;
-
-    IPC1bits.T1IP = 2;
-    IFS0bits.T1IF = 0;
-    IEC0bits.T1IE = 1;
-
-    IPC3bits.T3IP = 2;
-    IFS0bits.T3IF = 0;
-    IEC0bits.T3IE = 1;
-
-    EnableInterrupts();
-    while (1);
-
-    return 0;
-}

2ano/2semestre/ac2/aula09/part2-ex1.c

@@ -1,21 +0,0 @@
-#include <detpic32.h>
-
-int main() {
-    T3CONbits.TCKPS = 2;
-    PR3 = 49999;
-    TMR3 = 0;
-    T3CONbits.TON = 1;
-
-    // tON = 0.25 * (1 / 100) = 2.5ms
-    // fOutPreScaler = 20MHz / 4 = 5MHz
-    // tOutPreScaler = 1 / 5MHz = 200ns
-    // OC1RS = (2.5 * 10^-3) / (200 * 10^-9) = 12500
-    OC1CONbits.OCM = 6;
-    OC1CONbits.OCTSEL = 1;
-    OC1RS = 12500;
-    OC1CONbits.ON = 1;
-
-    while (1);
-
-    return 0;
-}

2ano/2semestre/ac2/aula09/part2-ex3.c

@@ -1,27 +0,0 @@
-#include <detpic32.h>
-
-void setPWM(unsigned int dutyCycle) {
-    if (dutyCycle < 0 || dutyCycle > 100)
-        return;
-    OC1RS = ((PR3 + 1) * dutyCycle) / 100;
-}
-
-int main() {
-    T3CONbits.TCKPS = 2;
-    PR3 = 49999;
-    TMR3 = 0;
-    T3CONbits.TON = 1;
-
-    // tON = 0.25 * (1 / 100) = 2.5ms
-    // fOutPreScaler = 20MHz / 4 = 5MHz
-    // tOutPreScaler = 1 / 5MHz = 200ns
-    // OC1RS = (2.5 * 10^-3) / (200 * 10^-9) = 12500
-    OC1CONbits.OCM = 6;
-    OC1CONbits.OCTSEL = 1;
-    OC1RS = 12500;
-    OC1CONbits.ON = 1;
-
-    while (1) setPWM(80);
-
-    return 0;
-}

2ano/2semestre/ac2/aula09/part2-ex5.c

@@ -1,32 +0,0 @@
-#include <detpic32.h>
-
-void setPWM(unsigned int dutyCycle) {
-    if (dutyCycle < 0 || dutyCycle > 100)
-        return;
-    OC1RS = ((PR3 + 1) * dutyCycle) / 100;
-}
-
-int main() {
-    T3CONbits.TCKPS = 2;
-    PR3 = 49999;
-    TMR3 = 0;
-    T3CONbits.TON = 1;
-
-    // tON = 0.25 * (1 / 100) = 2.5ms
-    // fOutPreScaler = 20MHz / 4 = 5MHz
-    // tOutPreScaler = 1 / 5MHz = 200ns
-    // OC1RS = (2.5 * 10^-3) / (200 * 10^-9) = 12500
-    OC1CONbits.OCM = 6;
-    OC1CONbits.OCTSEL = 1;
-    OC1RS = 12500;
-    OC1CONbits.ON = 1;
-
-    TRISC &= 0xBFFF;
-
-    while (1) {
-        setPWM(10);
-        LATC = (LATC & 0xBFFF) | (PORTD & 0x0001) << 14;
-    }
-
-    return 0;
-}

2ano/2semestre/ac2/pfull

@@ -1,34 +0,0 @@
-#!/bin/bash
-
-# Validate arguments
-if [ "$#" -ne 1 ]; then
-    echo "Usage: $0 <source_file>"
-    exit
-fi
-
-# Parse arguments
-file=${1##*/}
-dir=${1%/*}
-filename="${file%.*}"
-
-# Go to source directory
-if [ -d "$dir" ]; then
-    cd "$dir" || exit
-fi
-
-# Compile and clean up
-pcompile "$file" || exit
-for f in *; do
-    if [[ "$f" =~ ^.+\.(o|elf|map|sym)$ ]]; then
-        rm "$f"
-    fi
-done
-
-# Program and open terminal
-ldpic32 "$filename.hex" || exit
-pterm || exit
-
-# Go back to original directory
-if [ -d "$dir" ]; then
-    cd - || exit
-fi