+/*
+ * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
-#include <string.h>
#include "common.h"
+#include <string.h>
+#include <avr/wdt.h>
+#include "config.h"
#include "serial.h"
#include "background.h"
#include "con-utils.h"
int my_getchar(uint_fast8_t waitforchar)
{
int c;
-
+
do {
bg_shed();
c = serial_getc();
} while ((c < 0) && waitforchar);
+#ifdef CONFIG_SYS_FBOOTSIG
+ if (c < 0)
+ return c;
+
+ static const FLASH unsigned char bootsig[] = {CONFIG_SYS_FBOOTSIG};
+ static uint8_t pb;
+ unsigned char uc = c;
+
+
+ if (bootsig[pb] == 0) {
+ if (uc == 0xff) {
+ wdt_enable(WDTO_15MS);
+ for(;;)
+ ;
+ } else
+ pb = 0;
+
+ } else {
+ if (bootsig[pb] == uc)
+ pb++;
+ else
+ pb = 0;
+ }
+#endif
+
return c;
}
uint_fast8_t ctrlc(void)
{
+ bg_shed();
if (!ctrlc_disabled) {
switch (serial_getc()) {
case 0x03: /* ^C - Control C */
{
ctrlc_was_pressed = 0;
}
-