Minor documentation corrections.

[pub/USBasp.git] / Bootloaders / DFU / BootloaderDFU.c

diff --git a/Bootloaders/DFU/BootloaderDFU.c b/Bootloaders/DFU/BootloaderDFU.c
index 078d59d..f3b36db 100644 (file)
--- a/Bootloaders/DFU/BootloaderDFU.c
+++ b/Bootloaders/DFU/BootloaderDFU.c
@@ -99,10 +99,6 @@ static uint16_t EndAddr = 0x0000;
  */
 int main(void)
 {
  */
 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;
-

        /* Configure hardware required by the bootloader */
        SetupHardware();
 
        /* Configure hardware required by the bootloader */
        SetupHardware();
 


@@ -117,10 +113,10 @@ int main(void)
 
        /* If the TCK pin is not jumpered to ground, start the user application instead */
        RunBootloader = (!(PINF & (1 << 4)));
 
        /* 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);
        /* Re-enable JTAG debugging */
        MCUCR &= ~(1 << JTD);

-       MCUCR &= ~(1 << JTD);   
+       MCUCR &= ~(1 << JTD);

        #endif
 
        /* Turn on first LED on the board to indicate that the bootloader has started */
        #endif
 
        /* Turn on first LED on the board to indicate that the bootloader has started */


@@ -141,7 +137,7 @@ int main(void)
 }
 
 /** Configures all hardware required for the bootloader. */
 }
 
 /** Configures all hardware required for the bootloader. */

-void SetupHardware(void)
+static void SetupHardware(void)

 {
        /* Disable watchdog if enabled by bootloader/fuses */
        MCUSR &= ~(1 << WDRF);
 {
        /* Disable watchdog if enabled by bootloader/fuses */
        MCUSR &= ~(1 << WDRF);


@@ -154,20 +150,21 @@ void SetupHardware(void)
        MCUCR = (1 << IVCE);
        MCUCR = (1 << IVSEL);
 
        MCUCR = (1 << IVCE);
        MCUCR = (1 << IVSEL);
 

-       /* Initialize the USB subsystem */
+       /* Initialize the USB and other board hardware drivers */

        USB_Init();
        LEDs_Init();
        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. */
        /* 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. */

-void ResetHardware(void)
+static void ResetHardware(void)

 {
 {

-       /* Shut down the USB subsystem */
+       /* Shut down the USB and other board hardware drivers */

        USB_Disable();
        USB_Disable();

+       LEDs_Disable();

 
        /* Relocate the interrupt vector table back to the application section */
        MCUCR = (1 << IVCE);
 
        /* Relocate the interrupt vector table back to the application section */
        MCUCR = (1 << IVCE);


@@ -185,7 +182,7 @@ ISR(TIMER1_OVF_vect, ISR_BLOCK)
  *  internally.
  */
 void EVENT_USB_Device_ControlRequest(void)
  *  internally.
  */
 void EVENT_USB_Device_ControlRequest(void)

-{      
+{

        /* 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))
        /* 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))


@@ -746,3 +743,4 @@ static void ProcessReadCommand(void)
        else if (IS_ONEBYTE_COMMAND(SentCommand.Data, 0x01))                    // Read signature byte
          ResponseByte = SignatureInfo[DataIndexToRead - 0x30];
 }
        else if (IS_ONEBYTE_COMMAND(SentCommand.Data, 0x01))                    // Read signature byte
          ResponseByte = SignatureInfo[DataIndexToRead - 0x30];
 }

+