added UART Library

1 files changed, 40 insertions, 0 deletions

diff --git a/floppyMusic/uart.c b/floppyMusic/uart.c
new file mode 100644
index 0000000..d4d5ccf
--- /dev/null
+++ b/floppyMusic/uart.c
@@ -0,0 +1,40 @@
+/*
+ * uart.c
+ *
+ * Created: 02.05.2017 20:48:26
+ *  Author: Jonas
+ */ 
+
+ #include "uart.h"
+
+ void uart_init(uint32_t _baud)
+ {
+	unsigned int ubrr = _GET_UBBR(_baud);
+
+	UBRRH = (ubrr<<8);
+	UBRRL = ubrr;
+ }
+
+ void uart_send(char _data)
+ {
+	while(!(UCSRA & (1<<UDRE)));
+	UDR = _data;
+ }
+
+ void uart_send_string(char *_data)
+ {
+	char *data = _data;
+
+	while(*data != '\0')
+	{
+		uart_send(*data);
+		data++;
+	}
+ }
+
+ char uart_recieve()
+ {
+	while(!(UCSRA & (1<<RXC)));
+
+	return UDR;
+ }
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