Commit 513db465 authored by Dean Camera's avatar Dean Camera
Browse files

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

parent 2b0c9532
......@@ -66,6 +66,9 @@ int main(void)
/* Setup hardware required for the bootloader */
SetupHardware();
/* 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();
......@@ -100,6 +103,17 @@ void SetupHardware(void)
/* Initialize USB Subsystem */
USB_Init();
LEDs_Init();
/* Bootloader active LED toggle timer initialization */
TIMSK1 = (1 << TOIE1);
TCCR1B = ((1 << CS11) | (1 << CS10));
}
/** 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_ConfigurationChanged event. This configures the device's endpoints ready
......
......@@ -48,6 +48,7 @@
#include "Descriptors.h"
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/Board/LEDs.h>
/* Macros: */
/** Version major of the CDC bootloader. */
......
......@@ -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.
......
......@@ -50,6 +50,7 @@
#include "Descriptors.h"
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/Board/LEDs.h>
/* Macros: */
/** Configuration define. Define this token to true to case the bootloader to reject all memory commands
......
......@@ -33,6 +33,7 @@
* - Added new KeyboardMouseMultiReport Device ClassDriver demo
* - Added new VirtualSerialMassStorage Device ClassDriver demo
* - Added HID class bootloader, compatible with a modified version of the command line Teensy loader from PJRC.com
* - Added LED flashing to the CDC and DFU class bootloaders to indicate when they are running
*
* <b>Changed:</b>
* - Core:
......
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