Change message start token from 0x81 to 0xAE

[z180-stamp.git] / avr / con-utils.c

diff --git a/avr/con-utils.c b/avr/con-utils.c
index 430ba98ae6407fbdc964f42e87a207b34766aa08..b8017ed4f7f70a1528ef2e747f1d5d645efb5925 100644 (file)
--- a/avr/con-utils.c
+++ b/avr/con-utils.c
@@ -1,30 +1,34 @@
 
 #include <string.h>
-#include <stdio.h>
+#include "common.h"
 
 #include "serial.h"
+#include "background.h"
 #include "con-utils.h"
 
-
 uint_fast8_t tstc(void)
 {
+       bg_shed();
        return serial_tstc();
 }
 
-int my_getchar(void)
+int my_getchar(uint_fast8_t waitforchar)
 {
        int c;
        
-       while((c = serial_getc()) < 0)
-               ;
+       do {
+               bg_shed();
+               c = serial_getc();
+       } while ((c < 0) && waitforchar);
+
        return c;
 }
 
 
 /* test if ctrl-c was pressed */
 
-static uint_fast8_t ctrlc_disabled = 0;        /* see disable_ctrl() */
-static uint_fast8_t ctrlc_was_pressed = 0;
+static uint_fast8_t ctrlc_disabled;    /* see disable_ctrl() */
+static uint_fast8_t ctrlc_was_pressed;
 
 uint_fast8_t ctrlc(void)
 {
@@ -53,7 +57,7 @@ uint_fast8_t confirm_yesno(void)
                ;
        i = 0;
        while (i < sizeof(str_input)) {
-               str_input[i] = my_getchar();
+               str_input[i] = my_getchar(1);
                putchar(str_input[i]);
                if (str_input[i] == '\r')
                        break;