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Add branch for the conversion of demos to use standard C header files for configuration, rather than makefile defined macros.

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This commit is contained in:
Dean Camera 2012-05-10 19:24:58 +00:00
parent e8570c4a37
commit 359fbfe14d
395 changed files with 9912 additions and 2756 deletions
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48
Bootloaders/CDC/BootloaderCDC.c
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@ -56,6 +56,28 @@ static uint32_t CurrAddress;
*/
static bool RunBootloader = true;
/** Magic lock for forced application start. If the HWBE fuse is programmed and BOOTRST is unprogrammed, the bootloader
* will start if the /HWB line of the AVR is held low and the system is reset. However, if the /HWB line is still held
* low when the application attempts to start via a watchdog reset, the bootloader will re-start. If set to the value
* \ref MAGIC_BOOT_KEY the special init function \ref Application_Jump_Check() will force the application to start.
*/
uint32_t MagicBootKey ATTR_NO_INIT;
/** Special startup routine to check if the bootloader was started via a watchdog reset, and if the magic application
* start key has been loaded into \ref MagicBootKey. If the bootloader started via the watchdog and the key is valid,
* this will force the user application to start via a software jump.
*/
void Application_Jump_Check(void)
{
/* If the reset source was the bootloader and the key is correct, clear it and jump to the application */
if ((MCUSR & (1 << WDRF)) && (MagicBootKey == MAGIC_BOOT_KEY))
{
MagicBootKey = 0;
// cppcheck-suppress constStatement
((void (*)(void))0x0000)();
}
}
/** Main program entry point. This routine configures the hardware required by the bootloader, then continuously
* runs the bootloader processing routine until instructed to soft-exit, or hard-reset via the watchdog to start
@ -80,6 +102,9 @@ int main(void)
/* Disconnect from the host - USB interface will be reset later along with the AVR */
USB_Detach();
/* Unlock the forced application start mode of the bootloader if it is restarted */
MagicBootKey = MAGIC_BOOT_KEY;
/* Enable the watchdog and force a timeout to reset the AVR */
wdt_enable(WDTO_250MS);
@ -122,17 +147,12 @@ ISR(TIMER1_OVF_vect, ISR_BLOCK)
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
@ -303,7 +323,7 @@ static void ReadWriteMemoryBlock(const uint8_t Command)
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()))
@ -329,7 +349,7 @@ static uint8_t FetchNextCommandByte(void)
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()))
@ -353,7 +373,7 @@ static void WriteNextResponseByte(const uint8_t Response)
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()))
@ -549,7 +569,7 @@ static void CDC_Task(void)
}
/* 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());
@ -577,7 +597,7 @@ static void CDC_Task(void)
}
/* Select the OUT endpoint */
Endpoint_SelectEndpoint(CDC_RX_EPNUM);
Endpoint_SelectEndpoint(CDC_RX_EPADDR);
/* Acknowledge the command from the host */
Endpoint_ClearOUT();