Fixed broken DFU bootloader, added XPLAIN support for bootloader start when XCK jumpe...

diff --git a/Bootloaders/DFU/BootloaderDFU.c b/Bootloaders/DFU/BootloaderDFU.c
index ce4e459..f2247eb 100644 (file)
--- a/Bootloaders/DFU/BootloaderDFU.c
+++ b/Bootloaders/DFU/BootloaderDFU.c
@@ -102,6 +102,23 @@ int main(void)
        /* Configure hardware required by the bootloader */
        SetupHardware();
 
+       #if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
+       /* Disable JTAG debugging */
+       MCUCR |= (1 << JTD);
+       MCUCR |= (1 << JTD);
+
+       /* Enable pull-up on the JTAG TCK pin so we can use it to select the mode */
+       PORTF |= (1 << 4);
+       _delay_ms(10);
+
+       /* If the TCK pin is not jumpered to ground, start the user application instead */
+       RunBootloader = (!(PINF & (1 << 4)));
+       
+       /* Re-enable JTAG debugging */
+       MCUCR &= ~(1 << JTD);
+       MCUCR &= ~(1 << JTD);   
+       #endif
+
        /* Enable global interrupts so that the USB stack can function */
        sei();
 
@@ -153,6 +170,13 @@ void EVENT_USB_Device_ControlRequest(void)
 {
        /* Get the size of the command and data from the wLength value */
        SentCommand.DataSize = USB_ControlRequest.wLength;
+       
+       /* Ignore any requests that aren't directed to the DFU interface */
+       if ((USB_ControlRequest.bmRequestType & (CONTROL_REQTYPE_TYPE | CONTROL_REQTYPE_RECIPIENT)) !=
+           (REQTYPE_CLASS | REQREC_INTERFACE))
+       {
+               return;
+       }
 
        switch (USB_ControlRequest.bRequest)
        {

diff --git a/Bootloaders/DFU/BootloaderDFU.h b/Bootloaders/DFU/BootloaderDFU.h
index 4a62023..3483958 100644 (file)
--- a/Bootloaders/DFU/BootloaderDFU.h
+++ b/Bootloaders/DFU/BootloaderDFU.h
@@ -44,6 +44,7 @@
                #include <avr/eeprom.h>
                #include <avr/power.h>
                #include <avr/interrupt.h>
+               #include <util/delay.h>
                #include <stdbool.h>
 
                #include "Descriptors.h"

diff --git a/LUFA/ManPages/ChangeLog.txt b/LUFA/ManPages/ChangeLog.txt
index 57f8677..ca7366f 100644 (file)
--- a/LUFA/ManPages/ChangeLog.txt
+++ b/LUFA/ManPages/ChangeLog.txt
@@ -26,6 +26,7 @@
   *   - None
   *  - Library Applications:
   *   - Fixed Benito project discarding incoming data from the USB virtual serial port when the USART is busy
+  *   - Fixed broken DFU bootloader, added XPLAIN support for bootloader start when XCK jumpered to ground
   *
   *  \section Sec_ChangeLog101122 Version 101122
   *  <b>New:</b>

diff --git a/Projects/XPLAINBridge/XPLAINBridge.h b/Projects/XPLAINBridge/XPLAINBridge.h
index 7d81abf..4492575 100644 (file)
--- a/Projects/XPLAINBridge/XPLAINBridge.h
+++ b/Projects/XPLAINBridge/XPLAINBridge.h
@@ -41,6 +41,7 @@
                #include <avr/wdt.h>
                #include <avr/power.h>
                #include <avr/interrupt.h>
+               #include <util/delay.h>
 
                #include "AVRISPDescriptors.h"
                #include "USARTDescriptors.h"