From 43c3848d2af638b58c467eeb8303e02e6ee7d0cc Mon Sep 17 00:00:00 2001
From: Marco <mgross@sw-gross.de>
Date: Thu, 12 May 2022 04:46:38 +0200
Subject: [PATCH] Activate serial receive interrupt.

---
 src/inverter.c | 30 +++++++++++++-----------------
 src/timer.c    |  2 +-
 src/uart.c     |  8 ++++++--
 3 files changed, 20 insertions(+), 20 deletions(-)

diff --git a/src/inverter.c b/src/inverter.c
index a870b67..849fbf9 100644
--- a/src/inverter.c
+++ b/src/inverter.c
@@ -4,10 +4,7 @@
 
 #include "include/uart.h"
 #include "include/timer.h"
-
-
-uint8_t sec = 0;
-uint16_t cnt = 0;
+#include "include/commands.h"
 
 int main()
 {
@@ -22,19 +19,10 @@ int main()
 	sei();
 
 	while (1) {
-
-		if ((PORTB & (1 << PB2)) > 1)
-		{
-			_delay_ms(1);
-			PORTB &= ~(1 << PB2);
-		}
-
-		if (cnt == 65500) {
-			printf("%u\n\r", TCNT0);
-			cnt = 0;
+		if ((PORTB & (1<<PB2))>1)  {
+			_delay_us(10);
+			PORTB &= ~(1<<PB2);
 		}	
-
-		cnt++;
 	}
 
 	return 0;
@@ -43,4 +31,12 @@ int main()
 ISR(TIMER0_COMPA_vect)
 {
 	PORTB |= (1 << PB2);
-}
\ No newline at end of file
+}
+
+ISR(USART1_RX_vect)
+{
+	char u;
+	u = UDR1;
+	
+	cmd_collect(u);
+}
diff --git a/src/timer.c b/src/timer.c
index 1a46741..613200b 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -34,4 +34,4 @@ void initOverflowTimer1(void)
 {
 	TCCR1B |= (1<<CS11);
 	TIMSK1 |= (1<<TOIE1);
-}
\ No newline at end of file
+}
diff --git a/src/uart.c b/src/uart.c
index 0f57aa7..91c89c5 100644
--- a/src/uart.c
+++ b/src/uart.c
@@ -6,8 +6,8 @@ static FILE stream = FDEV_SETUP_STREAM(uart_printf, NULL, _FDEV_SETUP_WRITE);
 
 void uart_init(unsigned int baud)
 {
-    stdout = &stream;
-    
+	stdout = &stream;
+
 	/* Set baud rate */
 	UBRR1H = (unsigned char)(baud>>8);
 	UBRR1L = (unsigned char)baud;
@@ -15,6 +15,9 @@ void uart_init(unsigned int baud)
 	/* Enable receiver and transmitter */
 	UCSR1B = (1<<RXEN1)|(1<<TXEN1);
 
+	/*Enable the receive interrupt*/
+	UCSR1B |= (1 << RXCIE1);
+
 	/* Set frame format */
 	UCSR1C |= (3<<UCSZ10); // 8 data bits
 	// UCSR1C &= ~(1<<USBS1); // 1 stop bit
@@ -36,3 +39,4 @@ int uart_printf(char var, FILE *stream)
 	uart_sendByte(var);
 	return 0;
 }
+