[AC2] Add Aula10 Part1 (untested!)

Signed-off-by: TiagoRG <tiago.rgarcia@ua.pt>

2ano/2semestre/ac2/aula10/part1-ex1.c

@@ -0,0 +1,22 @@
+#include <detpic32.h>
+
+int main() {
+    // Configure UART2:
+    // 1 - Configure BaudRate Generator
+    U2BRG = ((PBCLK + 8 * 115200) / (16 * 115200)) - 1;
+    U2MODEbits.BRGH = 0    // 16x baud clock enabled (1 -> 4x baud clock);
+
+    // 2 - Configure number of data bits, parity and number of stop bits
+    // (see U2MODE register)
+    U2MODEbits.PDSEL = 00;  // 8 data bits, without parity
+    U2MODEbits.STSEL = 0;   // 1 stop bit
+
+    // 3 - Enable the transmitter and receiver modules (see register U2STA)
+    U2STAbits.URXEN = 1;    // Enable Receiver
+    U2STAbits.UTXEN = 1;    // Enable Transmitter
+
+    // 4 - Enable UART2 (see register U2MODE)
+    U2MODEbits.ON = 1;
+
+    return 0;
+}

2ano/2semestre/ac2/aula10/part1-ex2.c

@@ -0,0 +1,39 @@
+#include <detpic32.h>
+
+void delay(unsigned int ms) {
+    resetCoreTimer();
+    while (readCoreTimer() < ms * 20000);
+}
+
+void putc(char byte) {
+    // wait while UTXBF == 1
+    while (U2STAbits.UTXBF == 1);
+    // Copy byte to the UxTXREG register
+    U2TXREG = byte;
+}
+
+int main() {
+    // Configure UART2:
+    // 1 - Configure BaudRate Generator
+    U2BRG = ((PBCLK + 8 * 115200) / (16 * 115200)) - 1;
+    U2MODEbits.BRGH = 0;    // 16x baud clock enabled (1 -> 4x baud clock)
+
+    // 2 - Configure number of data bits, parity and number of stop bits
+    // (see U2MODE register)
+    U2MODEbits.PDSEL = 00;  // 8 data bits, without parity
+    U2MODEbits.STSEL = 0;   // 1 stop bit
+
+    // 3 - Enable the transmitter and receiver modules (see register U2STA)
+    U2STAbits.URXEN = 1;    // Enable Receiver
+    U2STAbits.UTXEN = 1;    // Enable Transmitter
+
+    // 4 - Enable UART2 (see register U2MODE)
+    U2MODEbits.ON = 1;
+
+    while (1) {
+        putc('+');
+        delay(1000);
+    }
+
+    return 0;
+}

2ano/2semestre/ac2/aula10/part1-ex4.c

@@ -0,0 +1,44 @@
+#include <detpic32.h>
+
+void delay(unsigned int ms) {
+    resetCoreTimer();
+    while (readCoreTimer() < ms * 20000);
+}
+
+void putc(char byte) {
+    // wait while UTXBF == 1
+    while (U2STAbits.UTXBF == 1);
+    // Copy byte to the UxTXREG register
+    U2TXREG = byte;
+}
+
+void putstr(char *str) {
+    // use putc() function to send each charater ('\0' should not be sent)
+    while (*str != '\0') putc(*str++);
+}
+
+int main() {
+    // Configure UART2:
+    // 1 - Configure BaudRate Generator
+    U2BRG = ((PBCLK + 8 * 115200) / (16 * 115200)) - 1;
+    U2MODEbits.BRGH = 1;    // 16x baud clock enabled (1 -> 4x baud clock)
+
+    // 2 - Configure number of data bits, parity and number of stop bits
+    // (see U2MODE register)
+    U2MODEbits.PDSEL = 00;  // 8 data bits, without parity
+    U2MODEbits.STSEL = 0;   // 1 stop bit
+
+    // 3 - Enable the transmitter and receiver modules (see register U2STA)
+    U2STAbits.URXEN = 1;    // Enable Receiver
+    U2STAbits.UTXEN = 1;    // Enable Transmitter
+
+    // 4 - Enable UART2 (see register U2MODE)
+    U2MODEbits.ON = 1;
+
+    while (1) {
+        putstr("String de teste\n");
+        delay(1000);
+    }
+
+    return 0;
+}

2ano/2semestre/ac2/aula10/part1-ex6.c

@@ -0,0 +1,49 @@
+#include <detpic32.h>
+
+void delay(unsigned int ms) {
+    resetCoreTimer();
+    while (readCoreTimer() < ms * 20000);
+}
+
+void putc(char byte) {
+    // wait while UTXBF == 1
+    while (U2STAbits.UTXBF == 1);
+    // Copy byte to the UxTXREG register
+    U2TXREG = byte;
+}
+
+char getc() {
+    // If OERR == 1 then reset OERR
+    if (U2STAbits.OERR == 1)
+        U2STAbits.OERR = 0;
+    // Wait while URXDA == 0
+    while (U2STAbits.URXDA == 0);
+    // Return U2RXREG
+    return U2RXREG;
+}
+
+int main() {
+    // Configure UART2:
+    // 1 - Configure BaudRate Generator
+    U2BRG = ((PBCLK + 8 * 115200) / (16 * 115200)) - 1;
+    U2MODEbits.BRGH = 0;    // 16x baud clock enabled (1 -> 4x baud clock)
+
+    // 2 - Configure number of data bits, parity and number of stop bits
+    // (see U2MODE register)
+    U2MODEbits.PDSEL = 00;  // 8 data bits, without parity
+    U2MODEbits.STSEL = 0;   // 1 stop bit
+
+    // 3 - Enable the transmitter and receiver modules (see register U2STA)
+    U2STAbits.URXEN = 1;    // Enable Receiver
+    U2STAbits.UTXEN = 1;    // Enable Transmitter
+
+    // 4 - Enable UART2 (see register U2MODE)
+    U2MODEbits.ON = 1;
+
+    while (1) {
+        putc(getc());
+    }
+
+    return 0;
+}
+

2ano/2semestre/ac2/aula10/part1-ex7.c

@@ -0,0 +1,51 @@
+#include <detpic32.h>
+
+void delay(unsigned int ms) {
+    resetCoreTimer();
+    while (readCoreTimer() < ms * 20000);
+}
+
+void putc(char byte) {
+    // wait while UTXBF == 1
+    while (U2STAbits.UTXBF == 1);
+    // Copy byte to the UxTXREG register
+    U2TXREG = byte;
+}
+
+void sendCounter(int counter) {
+    while (counter != 0) {
+        char bit = counter & 0x1;
+        putc(bit);
+        counter >>= 1;
+    }
+}
+
+int main() {
+    // Configure UART2:
+    // 1 - Configure BaudRate Generator
+    U2BRG = ((PBCLK + 8 * 115200) / (16 * 115200)) - 1;
+    U2MODEbits.BRGH = 0;    // 16x baud clock enabled (1 -> 4x baud clock)
+
+    // 2 - Configure number of data bits, parity and number of stop bits
+    // (see U2MODE register)
+    U2MODEbits.PDSEL = 00;  // 8 data bits, without parity
+    U2MODEbits.STSEL = 0;   // 1 stop bit
+
+    // 3 - Enable the transmitter and receiver modules (see register U2STA)
+    U2STAbits.URXEN = 1;    // Enable Receiver
+    U2STAbits.UTXEN = 1;    // Enable Transmitter
+
+    // 4 - Enable UART2 (see register U2MODE)
+    U2MODEbits.ON = 1;
+
+    int counter = 0;
+
+    while (1) {
+        sendCounter(counter);
+        delay(5000);
+        counter = (counter + 1) % 10;
+    }
+
+    return 0;
+}
+