Add a per-char delay

diff --git a/target/serial/serial.c b/target/serial/serial.c
index 1050b9a63344c81479a4ecccb01b7392861d1c8d..1c352831dfa1d6f9e4b6c1cfe173f75cbf959e7a 100644 (file)
--- a/target/serial/serial.c
+++ b/target/serial/serial.c
@@ -156,6 +156,7 @@ delay (unsigned char n)
        unsigned char i = 0;
        unsigned char j = 0;
 
+       n++;
        while (--n != 0)
                while (--i != 0)
                        while (--j != 0)
@@ -215,8 +216,10 @@ void
 usart_out_byte(uint8_t byte)
 {
        U1DBUF = byte;
-       while (!UTX1IF);
+       while (!UTX1IF)
+               ;
        UTX1IF = 0;
+       delay(1);
 }
 
 uint8_t
@@ -230,10 +233,6 @@ usart_in_byte(void)
        return b;
 }
 
-#define spi_init()     usart_init()
-#define spi_out_byte(b)        usart_out_byte(b)
-#define spi_in_byte()  usart_in_byte()
-
 static char string[] = "hello world\r\n";
 
 main ()
@@ -245,7 +244,7 @@ main ()
        while (!(SLEEP & SLEEP_XOSC_STB))
                ;
        
-       spi_init();
+       usart_init();
 
        for (;;) {
                for (i = 0; i < sizeof(string) - 1; i++)