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Code Issues Releases Activity

Increasing bootloader delay and timing out after a certain number of errors in received data.

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This commit is contained in:
David A. Mellis 2007-07-07 14:45:55 +00:00
parent 0761e779b0
commit b2018df662
1 changed files with 24 additions and 3 deletions
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27
bootloader168-diecimila/ATmegaBOOT_168.c
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@ -78,7 +78,10 @@
/* 20060803: hacked by DojoCorp */
/* 20070626: hacked by David A. Mellis to decrease waiting time for auto-reset */
/* set the waiting time for the bootloader */
#define MAX_TIME_COUNT (F_CPU>>5)
#define MAX_TIME_COUNT (F_CPU>>4)
/* 20070707: hacked by David A. Mellis - after this many errors give up and launch application */
#define MAX_ERROR_COUNT 5
/* set the UART baud rate */
/* 20060803: hacked by DojoCorp */
@ -236,6 +239,8 @@ uint8_t pagesz=0x80;
uint8_t i;
uint8_t bootuart = 0;
uint8_t error_count = 0;
void (*app_start)(void) = 0x0000;
@ -387,6 +392,9 @@ int main(void)
putch('S');
putch('P');
putch(0x10);
} else {
if (++error_count == MAX_ERROR_COUNT)
app_start();
}
}
@ -600,6 +608,9 @@ int main(void)
}
putch(0x14);
putch(0x10);
} else {
if (++error_count == MAX_ERROR_COUNT)
app_start();
}
}
@ -654,6 +665,9 @@ int main(void)
putch(SIG2);
putch(SIG3);
putch(0x10);
} else {
if (++error_count == MAX_ERROR_COUNT)
app_start();
}
}
@ -777,8 +791,9 @@ int main(void)
}
/* end of monitor */
#endif
else if (++error_count == MAX_ERROR_COUNT) {
app_start();
}
}
/* end of forever loop */
@ -919,6 +934,9 @@ void byte_response(uint8_t val)
putch(0x14);
putch(val);
putch(0x10);
} else {
if (++error_count == MAX_ERROR_COUNT)
app_start();
}
}
@ -928,6 +946,9 @@ void nothing_response(void)
if (getch() == ' ') {
putch(0x14);
putch(0x10);
} else {
if (++error_count == MAX_ERROR_COUNT)
app_start();
}
}