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Added LED flashing to the CDC and DFU class bootloaders to indicate when they are running.

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This commit is contained in:
Dean Camera 2011-04-23 03:45:29 +00:00
parent 2b0c9532a3
commit 513db46548
5 changed files with 31 additions and 0 deletions
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14
Bootloaders/DFU/BootloaderDFU.c
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@ -119,6 +119,9 @@ int main(void)
MCUCR &= ~(1 << JTD);
#endif
/* Turn on first LED on the board to indicate that the bootloader has started */
LEDs_SetAllLEDs(LEDS_LED1);
/* Enable global interrupts so that the USB stack can function */
sei();
@ -149,6 +152,11 @@ void SetupHardware(void)
/* Initialize the USB subsystem */
USB_Init();
LEDs_Init();
/* Bootloader active LED toggle timer initialization */
TIMSK1 = (1 << TOIE1);
TCCR1B = ((1 << CS11) | (1 << CS10));
}
/** Resets all configured hardware required for the bootloader back to their original states. */
@ -162,6 +170,12 @@ void ResetHardware(void)
MCUCR = 0;
}
/** ISR to periodically toggle the LEDs on the board to indicate that the bootloader is active. */
ISR(TIMER1_OVF_vect, ISR_BLOCK)
{
LEDs_ToggleLEDs(LEDS_LED1 | LEDS_LED2);
}
/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
* the device from the USB host before passing along unhandled control requests to the library for processing
* internally.