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fix bootloader enable routine

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This commit is contained in:
optixx 2009-09-02 21:50:47 +02:00
parent a6e8d7e033
commit 3a1f58ce18
1 changed files with 12 additions and 13 deletions
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25
avr/bootloader/bootloader.c
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@ -460,6 +460,18 @@ int __attribute__ ((noreturn, OS_main)) main(void)
DDRC &= ~(1 << AVR_BTLDR_EN_PIN); DDRC &= ~(1 << AVR_BTLDR_EN_PIN);
PORTC &= ~(1 << AVR_BTLDR_EN_PIN); PORTC &= ~(1 << AVR_BTLDR_EN_PIN);
/*
* if watchdog reset, disable watchdog and jump to app
*/
if (reset & _BV(WDRF)) {
uart_puts("Found watchdog reset\n\r");
MCUSR = 0;
wdt_disable();
uart_puts("Jump to 0x0000\n\r");
jump_to_app();
}
if ((AVR_BTLDR_EN_IN & ( 1 << AVR_BTLDR_EN_PIN)) == 0){ if ((AVR_BTLDR_EN_IN & ( 1 << AVR_BTLDR_EN_PIN)) == 0){
banner(); banner();
uart_puts("Bootloader flashing is disabled\n\r"); uart_puts("Bootloader flashing is disabled\n\r");
@ -468,8 +480,6 @@ int __attribute__ ((noreturn, OS_main)) main(void)
} }
/* /*
* if power-on reset, quit bootloader via watchdog reset * if power-on reset, quit bootloader via watchdog reset
*/ */
@ -479,17 +489,6 @@ int __attribute__ ((noreturn, OS_main)) main(void)
MCUSR = 0; MCUSR = 0;
leave_bootloader(); leave_bootloader();
} }
/*
* if watchdog reset, disable watchdog and jump to app
*/
else if (reset & _BV(WDRF)) {
uart_puts("Found watchdog reset\n\r");
MCUSR = 0;
wdt_disable();
uart_puts("Jump to 0x0000\n\r");
jump_to_app();
}
banner(); banner();
uart_puts("Enter programming mode\n\r"); uart_puts("Enter programming mode\n\r");
/* /*