Finished RS-232 debug project

Telem_Debug/Debug_RS-232/main.c

@@ -0,0 +1,64 @@
+#include "SunseekerTelemetry2021.h"
+#include "clock_init.h"
+#include "interrupts.h"
+#include "io_init.h"
+#include "timers.h"
+#include "usci.h"
+
+long delayCounter = 0;
+volatile unsigned char status_flag = FALSE;
+char USBTransmitString[256];
+char RS232TransmitString[] = "[DEBUG] Test Transmission String";
+char RS232RelayString[256];
+char* pUSBReceiveString;
+char* pRS232ReceiveString;
+
+int main(void) {
+    WDTCTL = WDTPW | WDTHOLD;                   // Stop watchdog timer; `WDTPW` is the "WatchDog Timer PassWord", required for all `WDTCTL` operations
+    _DINT();                                    // Disable interrupts
+
+    clock_init();                               // Configure HF and LF clocks
+    delay();
+
+    timerB_init();                              // Initialize timer B
+    delay();
+
+    io_init();                                  // Initialize all input/output pins
+    delay();
+
+    usci_init();                                // Initialize USCI modules
+    delay();
+
+    _EINT();                                    // Enable global interrupts
+
+    P8OUT |= LEDY0;                             // Initially set LEDY0 to High
+
+    sprintf(USBTransmitString, "Transmitted over RS-232: \"%s\"", RS232TransmitString);
+    pUSBReceiveString = calloc(1, 256 * sizeof(*pUSBReceiveString) + 1);
+    pRS232ReceiveString = calloc(1, 256 * sizeof(*pUSBReceiveString) + 1);
+
+    usci_A2_enable();                           // Enable the USB interface
+    usci_A2_enableInterrupt();                  // Enable interrupts for the USB interface
+    usci_A3_enable();                           // Enable the RS-232 interface
+    usci_A3_enableInterrupt();                  // Enable interrupts for the RS-232 interface
+
+    while(1)
+    {
+        // Repeating debug transmission string
+        if(delayCounter == 0){
+            usci_A3_transmitString(&RS232TransmitString[0]);
+            usci_A2_transmitString(&USBTransmitString[0]);
+        }else{
+            ++delayCounter;
+            delayCounter %= 10000;
+        }
+
+        // String received, to be transmitted back
+        if(pRS232ReceiveString[0] != '\0'){
+            sprintf(RS232RelayString, "Received and Re-Transmitted over RS-232: \"%s\"", pRS232ReceiveString);
+            usci_A2_transmitString(&RS232RelayString[0]);
+            usci_A3_transmitString(pRS232ReceiveString);
+            pRS232ReceiveString[0] = '\0';
+        }
+    }
+}