/*
LUFA Library
- Copyright (C) Dean Camera, 2011.
+ Copyright (C) Dean Camera, 2012.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
*/
int main(void)
{
- /* Force a reference to the API jump table to prevent the linker from discarding it */
- uint8_t* volatile Dummy = BootloaderAPI_JumpTable;
- (void)Dummy;
-
/* Setup hardware required for the bootloader */
SetupHardware();
}
/** Configures all hardware required for the bootloader. */
-void SetupHardware(void)
+static void SetupHardware(void)
{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
MCUCR = (1 << IVCE);
MCUCR = (1 << IVSEL);
- /* Initialize USB Subsystem */
+ /* Initialize the USB and other board hardware drivers */
USB_Init();
LEDs_Init();
-
+
/* Bootloader active LED toggle timer initialization */
TIMSK1 = (1 << TOIE1);
- TCCR1B = ((1 << CS11) | (1 << CS10));
+ TCCR1B = ((1 << CS11) | (1 << CS10));
}
/** ISR to periodically toggle the LEDs on the board to indicate that the bootloader is active. */
void EVENT_USB_Device_ConfigurationChanged(void)
{
/* Setup CDC Notification, Rx and Tx Endpoints */
- Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPNUM, EP_TYPE_INTERRUPT,
- ENDPOINT_DIR_IN, CDC_NOTIFICATION_EPSIZE,
- ENDPOINT_BANK_SINGLE);
+ Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPADDR, EP_TYPE_INTERRUPT,
+ CDC_NOTIFICATION_EPSIZE, 1);
- Endpoint_ConfigureEndpoint(CDC_TX_EPNUM, EP_TYPE_BULK,
- ENDPOINT_DIR_IN, CDC_TXRX_EPSIZE,
- ENDPOINT_BANK_SINGLE);
+ Endpoint_ConfigureEndpoint(CDC_TX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1);
- Endpoint_ConfigureEndpoint(CDC_RX_EPNUM, EP_TYPE_BULK,
- ENDPOINT_DIR_OUT, CDC_TXRX_EPSIZE,
- ENDPOINT_BANK_SINGLE);
+ Endpoint_ConfigureEndpoint(CDC_RX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1);
}
/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
{
LowByte = FetchNextCommandByte();
}
-
+
HighByte = !HighByte;
}
else
static uint8_t FetchNextCommandByte(void)
{
/* Select the OUT endpoint so that the next data byte can be read */
- Endpoint_SelectEndpoint(CDC_RX_EPNUM);
+ Endpoint_SelectEndpoint(CDC_RX_EPADDR);
/* If OUT endpoint empty, clear it and wait for the next packet from the host */
while (!(Endpoint_IsReadWriteAllowed()))
static void WriteNextResponseByte(const uint8_t Response)
{
/* Select the IN endpoint so that the next data byte can be written */
- Endpoint_SelectEndpoint(CDC_TX_EPNUM);
+ Endpoint_SelectEndpoint(CDC_TX_EPADDR);
/* If IN endpoint full, clear it and wait until ready for the next packet to the host */
if (!(Endpoint_IsReadWriteAllowed()))
/** Task to read in AVR910 commands from the CDC data OUT endpoint, process them, perform the required actions
* and send the appropriate response back to the host.
*/
-void CDC_Task(void)
+static void CDC_Task(void)
{
/* Select the OUT endpoint */
- Endpoint_SelectEndpoint(CDC_RX_EPNUM);
+ Endpoint_SelectEndpoint(CDC_RX_EPADDR);
/* Check if endpoint has a command in it sent from the host */
if (!(Endpoint_IsOUTReceived()))
if (Command == 'E')
{
RunBootloader = false;
-
+
/* Send confirmation byte back to the host */
WriteNextResponseByte('\r');
}
}
/* Select the IN endpoint */
- Endpoint_SelectEndpoint(CDC_TX_EPNUM);
+ Endpoint_SelectEndpoint(CDC_TX_EPADDR);
/* Remember if the endpoint is completely full before clearing it */
bool IsEndpointFull = !(Endpoint_IsReadWriteAllowed());
}
/* Select the OUT endpoint */
- Endpoint_SelectEndpoint(CDC_RX_EPNUM);
+ Endpoint_SelectEndpoint(CDC_RX_EPADDR);
/* Acknowledge the command from the host */
Endpoint_ClearOUT();