Refactor UART code to separate file.

1 files changed, 6 insertions, 11 deletions

diff --git a/fpm.c b/fpm.c
index 6599996..e85ee94 100644
--- a/fpm.c
+++ b/fpm.c
@@ -1,8 +1,7 @@
-#include <avr/io.h>
 #include <util/delay.h>
-#include <util/setbaud.h>
 
 #include "fpm.h"
+#include "uart.h"
 
 #define MAXPDLEN                   64
 
@@ -15,16 +14,12 @@
 
 static inline uint8_t read(void)
 {
-	while (!(UCSR0A & (1 << RXC0)))
-		;
-	return UDR0;
+	return uart_recv();
 }
 
 static inline void write(uint8_t c)
 {
-	while (!(UCSR0A & (1 << UDRE0)))
-		;
-	UDR0 = c;
+	uart_send(c);
 }
 
 static inline void send(uint8_t *data, uint8_t n)
@@ -167,13 +162,13 @@ static inline uint8_t img2tz(uint8_t bufid)
 
 uint8_t fpm_init(void)
 {
-	uint8_t rc;
+	uint8_t rc, wt = 100;
 	uint16_t dt = 0;
 
 	do {
 		rc = check_pwd();
-		_delay_ms(100);
-		dt += 100;
+		dt += wt;
+		_delay_ms(wt);
 	} while (rc == 0 && dt < 500);
 
 	return rc;