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Restrict HID bootloader programming region (thanks to NicoHood).

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This commit is contained in:
Dean Camera 2017-01-29 15:36:02 +11:00
parent 0b95817130
commit f0c5dfe8b8
5 changed files with 12 additions and 6 deletions
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10
Bootloaders/HID/BootloaderHID.c
View File

@ -58,6 +58,11 @@ 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))
{
/* Turn off the watchdog */
MCUSR &= ~(1 << WDRF);
wdt_disable();
/* Clear the boot key and jump to the user application */
MagicBootKey = 0;
// cppcheck-suppress constStatement
@ -98,6 +103,9 @@ 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);
@ -153,7 +161,7 @@ void EVENT_USB_Device_ControlRequest(void)
{
RunBootloader = false;
}
else
else if (PageAddress < BOOT_START_ADDR)
{
/* Erase the given FLASH page, ready to be programmed */
boot_page_erase(PageAddress);

2
Bootloaders/HID/BootloaderHID.h
View File

@ -67,7 +67,5 @@
void Application_Jump_Check(void) ATTR_INIT_SECTION(3);
void EVENT_USB_Device_ConfigurationChanged(void);
void EVENT_USB_Device_UnhandledControlRequest(void);
#endif

2
Bootloaders/HID/Descriptors.c
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@ -110,7 +110,7 @@ const USB_Descriptor_Configuration_t ConfigurationDescriptor =
{
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
.InterfaceNumber = INTERFACE_ID_Printer,
.InterfaceNumber = INTERFACE_ID_GenericHID,
.AlternateSetting = 0x00,
.TotalEndpoints = 1,

2
Bootloaders/HID/Descriptors.h
View File

@ -60,7 +60,7 @@
*/
enum InterfaceDescriptors_t
{
INTERFACE_ID_Printer = 0, /**< Printer interface descriptor ID */
INTERFACE_ID_GenericHID = 0, /**< GenericHID interface descriptor ID */
};
/* Macros: */

2
Bootloaders/HID/makefile
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@ -20,7 +20,7 @@ OPTIMIZATION = s
TARGET = BootloaderHID
SRC = $(TARGET).c Descriptors.c $(LUFA_SRC_USB)
LUFA_PATH = ../../LUFA
CC_FLAGS = -DUSE_LUFA_CONFIG_HEADER -IConfig/
CC_FLAGS = -DUSE_LUFA_CONFIG_HEADER -DBOOT_START_ADDR=$(BOOT_START_OFFSET) -IConfig/
LD_FLAGS = -Wl,--section-start=.text=$(BOOT_START_OFFSET)
# Flash size and bootloader section sizes of the target, in KB. These must