Added tests for the USART module

Author: abdoaboganima

MCAL/USART/USART_test.c

@@ -0,0 +1,72 @@
+/*******************************************************
+ *
+ * @file       USART_test.c
+ * @brief      Tests for the USART driver
+ * @author     Abdulrahman Aboghanima
+ * @date       Sun Feb 20 22:55:31 2022
+ * @copyright  Copyright (c) 2022
+ * @version    0.2
+ *
+ *******************************************************/
+
+#include "../../LIB/STD_TYPES.h"
+#include "../DIO/DIO_interface.h"
+#include "../GIE/GIE_interface.h"
+#include "USART_interface.h"
+#include <util/delay.h>
+#include <stdio.h>
+
+
+/* The following two functions are used as a call back for the ISRs of the USART*/
+void blink1(void)
+{
+  DIO_SetPinValue(DIO_PORTD, DIO_PIN6, 1);
+  _delay_ms(1000);
+  DIO_SetPinValue(DIO_PORTD, DIO_PIN6, 0);
+  _delay_ms(1000);
+  DIO_SetPinValue(DIO_PORTD, DIO_PIN6, 1);
+  _delay_ms(1000);
+  DIO_SetPinValue(DIO_PORTD, DIO_PIN6, 0);
+}
+void blink2(void)
+{
+  DIO_SetPinValue(DIO_PORTD, DIO_PIN5, 1);
+  _delay_ms(1000);
+  DIO_SetPinValue(DIO_PORTD, DIO_PIN5, 0);
+}
+int main(void)
+{
+
+  DIO_SetPortDirection(DIO_PORTD, DIO_PORT_OUTPUT);
+  GIE_enable();
+  USART_init();
+  USART_redirect_stream_to_stdout();
+  uint8_t data;
+
+  while(1){
+    printf("\n.............Testing the USART.............\n");
+    printf("Testing printf()\n");
+    printf("Done   \n");
+
+    printf("Testing: USART_sendStream()\n");
+    USART_sendStream("------------------------------\n");
+    USART_sendStream(">Testing not interrupt driven data transmission..\n");
+    USART_sendStream(">>>1- Sending `k`: ");
+    USART_send('k');
+    USART_sendStream("\n>>>2- Receiving a letter: ");
+    data=USART_receive();
+    USART_sendStream("\n      You entered: ");
+    USART_send(data);
+
+    USART_sendStream("\n>Testing interrupt driven data transmission..");
+    USART_sendStream("\n>>>1- Sending `k` with led blinking after transmission complete: ");_delay_ms(1000);
+    USART_sendWithInterruptDriven('k', blink1);
+    USART_sendStream("\n>>>2- Receiving a letter: ");
+    data=USART_receiveWithInterruptDriven(blink2);
+    USART_sendStream("\n      You entered: ");
+    USART_send(data);
+  
+  }
+	
+  return 0;
+}