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Fixing bugs in mk20dx128vlf5 support

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This commit is contained in:
Jacob Alexander 2015-05-25 17:50:32 -07:00
parent 02b919a4cb
commit b9fa9c8672
3 changed files with 22 additions and 11 deletions
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9
Bootloader/CMakeLists.txt
View File

@ -60,7 +60,6 @@ include( initialize )
#
set( SRCS
main.c
debug.c # TODO only compile in if necessary
dfu.c
dfu.desc.c
flash.c
@ -68,6 +67,14 @@ set( SRCS
usb.c
)
# Only compile in if necessary
if( CHIP STREQUAL "mk20dx256vlh7" )
set( SRCS ${SRCS}
debug.c
)
endif()
message( STATUS "Bootloader Source Files:" )
message( "${SRCS}" )

17
Bootloader/flash.c
View File

@ -101,15 +101,20 @@ int flash_program_section_phrases( uintptr_t addr, size_t num_phrases )
int flash_program_sector( uintptr_t addr, size_t len )
{
#if defined(_mk20dx128vlf5_)
return (len != FLASH_SECTOR_SIZE
|| (addr & (FLASH_SECTOR_SIZE - 1)) != 0
|| flash_erase_sector( addr )
|| flash_program_section_longwords( addr, FLASH_SECTOR_SIZE / 4 ));
#elif defined(_mk20dx256vlh7_)
if ( len != FLASH_SECTOR_SIZE )
return 1;
#if defined(_mk20dx128vlf5_)
// Check if this is the beginning of a sector
// Only erase if necessary
if ( (addr & (FLASH_SECTOR_SIZE - 1)) == 0
&& flash_read_1s_sector( addr, FLASH_SECTOR_SIZE / 4 )
&& flash_erase_sector( addr ) )
return 1;
// Program sector
return flash_program_section_longwords( addr, FLASH_SECTOR_SIZE / 4 );
#elif defined(_mk20dx256vlh7_)
// Check if beginning of sector and erase if not empty
// Each sector is 2 kB in length, but we can only write to half a sector at a time
// We can only erase an entire sector at a time

7
Bootloader/main.c
View File

@ -36,7 +36,7 @@ static char staging[ USB_DFU_TRANSFER_SIZE ];
// ----- Functions -----
void sector_print( void* buf, size_t sector, size_t chunks )
int sector_print( void* buf, size_t sector, size_t chunks )
{
uint8_t* start = (uint8_t*)buf + sector * USB_DFU_TRANSFER_SIZE;
uint8_t* end = (uint8_t*)buf + (sector + 1) * USB_DFU_TRANSFER_SIZE;
@ -79,6 +79,8 @@ void sector_print( void* buf, size_t sector, size_t chunks )
print( NL );
}
return retval;
}
static enum dfu_status setup_read( size_t off, size_t *len, void **buf )
@ -133,9 +135,6 @@ static enum dfu_status finish_write( void *buf, size_t off, size_t len )
if ( !target )
return (DFU_STATUS_errADDRESS);
memcpy( target, buf, len );
print("BUF: ");
printHex( off );
sector_print( target, 0, 16 );
// Depending on the error return a different status
switch ( flash_program_sector(off + (uintptr_t)&_app_rom, FLASH_SECTOR_SIZE) )