ahoneybun/qmk_firmware
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Update Mass Storage bootloader so that it can support devices with only 4KB bootloader sections by creating a special AUX section before the real bootloader section to store part of the bootloader code.

Browse source
This commit is contained in:
Dean Camera 2013-03-18 17:18:11 +00:00
parent f8a1dc7424
commit be33d3a515
12 changed files with 136 additions and 109 deletions
Download patch file Download diff file Expand all files Collapse all files

22
Bootloaders/MassStorage/BootloaderMassStorage.c
View file

@ -61,6 +61,25 @@ USB_ClassInfo_MS_Device_t Disk_MS_Interface =
};
void Application_Jump_Check(void)
{
bool JumpToApplication = false;
#if (BOARD == BOARD_LEONARDO)
/* Enable pull-up on the IO13 pin so we can use it to select the mode */
PORTC |= (1 << 7);
Delay_MS(10);
JumpToApplication |= ((PINC & (1 << 7)) != 0);
PORTC &= ~(1 << 7);
#endif
if (JumpToApplication)
{
// cppcheck-suppress constStatement
((void (*)(void))0x0000)();
}
}
/** Main program entry point. This routine configures the hardware required by the application, then
* enters a loop to run the application tasks in sequence.
*/
@ -85,9 +104,6 @@ static void SetupHardware(void)
MCUSR &= ~(1 << WDRF);
wdt_disable();
/* Disable clock division */
clock_prescale_set(clock_div_1);
/* Relocate the interrupt vector table to the bootloader section */
MCUCR = (1 << IVCE);
MCUCR = (1 << IVSEL);