flipperzero-firmware/lib/update_util/dfu_file.c

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[FL-2263] Flasher service & RAM exec (#1006) * WIP on stripping fw * Compact FW build - use RAM_EXEC=1 COMPACT=1 DEBUG=0 * Fixed uninitialized storage struct; small fixes to compact fw * Flasher srv w/mocked flash ops * Fixed typos & accomodated FFF changes * Alternative fw startup branch * Working load & jmp to RAM fw * +manifest processing for stage loader; + crc verification for stage payload * Fixed questionable code & potential leaks * Lowered screen update rate; added radio stack update stubs; working dfu write * Console EP with manifest & stage validation * Added microtar lib; minor ui fixes for updater * Removed microtar * Removed mtar #2 * Added a better version of microtar * TAR archive api; LFS backup & restore core * Recursive backup/restore * LFS worker thread * Added system apps to loader - not visible in UI; full update process with restarts * Typo fix * Dropped BL & f6; tooling for updater WIP * Minor py fixes * Minor fixes to make it build after merge * Ported flash workaround from BL + fixed visuals * Minor cleanup * Chmod + loader app search fix * Python linter fix * Removed usb stuff & float read support for staged loader == -10% of binary size * Added backup/restore & update pb requests * Added stub impl to RPC for backup/restore/update commands * Reworked TAR to use borrowed Storage api; slightly reduced build size by removing `static string`; hidden update-related RPC behind defines * Moved backup&restore to storage * Fixed new message types * Backup/restore/update RPC impl * Moved furi_hal_crc to LL; minor fixes * CRC HAL rework to LL * Purging STM HAL * Brought back minimal DFU boot mode (no gui); additional crc state checks * Added splash screen, BROKEN usb function * Clock init rework WIP * Stripped graphics from DFU mode * Temp fix for unused static fun * WIP update picker - broken! * Fixed UI * Bumping version * Fixed RTC setup * Backup to update folder instead of ext root * Removed unused scenes & more usb remnants from staged loader * CI updates * Fixed update bundle name * Temporary restored USB handler * Attempt to prevent .text corruption * Comments on how I spent this Saturday * Added update file icon * Documentation updates * Moved common code to lib folder * Storage: more unit tests * Storage: blocking dir open, differentiate file and dir when freed. * Major refactoring; added input processing to updater to allow retrying on failures (not very useful prob). Added API for extraction of thread return value * Removed re-init check for manifest * Changed low-level path manipulation to toolbox/path.h; makefile cleanup; tiny fix in lint.py * Increased update worker stack size * Text fixes in backup CLI * Displaying number of update stages to run; removed timeout in handling errors * Bumping version * Added thread cleanup for spawner thread * Updated build targets to exclude firmware bundle from 'ALL' * Fixed makefile for update_package; skipping VCP init for update mode (ugly) * Switched github build from ALL to update_package * Added +x for dist_update.sh * Cli: add total heap size to "free" command * Moved (RAM) suffix to build version instead of git commit no. * DFU comment * Some fixes suggested by clang-tidy * Fixed recursive PREFIX macro * Makefile: gather all new rules in updater namespace. FuriHal: rename bootloader to boot, isr safe delays * Github: correct build target name in firmware build * FuriHal: move target switch to boot * Makefile: fix firmware flash * Furi, FuriHal: move kernel start to furi, early init * Drop bootloader related stuff * Drop cube. Drop bootloader linker script. * Renamed update_hl, moved constants to #defines * Moved update-related boot mode to separate bitfield * Reworked updater cli to single entry point; fixed crash on tar cleanup * Added Python replacement for dist shell scripts * Linter fixes for dist.py +x * Fixes for environment suffix * Dropped bash scripts * Added dirty build flag to version structure & interfaces * Version string escapes * Fixed flag logic in dist.py; added support for App instances being imported and not terminating the whole program * Fixed fw address in ReadMe.md * Rpc: fix crash on double screen start * Return back original boot behavior and fix jump to system bootloader * Cleanup code, add error sequence for RTC * Update firmware readme * FuriHal: drop boot, restructure RTC registers usage and add header register check * Furi goes first * Toolchain: add ccache support * Renamed update bundle dir Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com> Co-authored-by: あく <alleteam@gmail.com>
2022-04-13 20:50:25 +00:00
#include "dfu_file.h"
[FL-2263] Flasher service & RAM exec (#1006) * WIP on stripping fw * Compact FW build - use RAM_EXEC=1 COMPACT=1 DEBUG=0 * Fixed uninitialized storage struct; small fixes to compact fw * Flasher srv w/mocked flash ops * Fixed typos & accomodated FFF changes * Alternative fw startup branch * Working load & jmp to RAM fw * +manifest processing for stage loader; + crc verification for stage payload * Fixed questionable code & potential leaks * Lowered screen update rate; added radio stack update stubs; working dfu write * Console EP with manifest & stage validation * Added microtar lib; minor ui fixes for updater * Removed microtar * Removed mtar #2 * Added a better version of microtar * TAR archive api; LFS backup & restore core * Recursive backup/restore * LFS worker thread * Added system apps to loader - not visible in UI; full update process with restarts * Typo fix * Dropped BL & f6; tooling for updater WIP * Minor py fixes * Minor fixes to make it build after merge * Ported flash workaround from BL + fixed visuals * Minor cleanup * Chmod + loader app search fix * Python linter fix * Removed usb stuff & float read support for staged loader == -10% of binary size * Added backup/restore & update pb requests * Added stub impl to RPC for backup/restore/update commands * Reworked TAR to use borrowed Storage api; slightly reduced build size by removing `static string`; hidden update-related RPC behind defines * Moved backup&restore to storage * Fixed new message types * Backup/restore/update RPC impl * Moved furi_hal_crc to LL; minor fixes * CRC HAL rework to LL * Purging STM HAL * Brought back minimal DFU boot mode (no gui); additional crc state checks * Added splash screen, BROKEN usb function * Clock init rework WIP * Stripped graphics from DFU mode * Temp fix for unused static fun * WIP update picker - broken! * Fixed UI * Bumping version * Fixed RTC setup * Backup to update folder instead of ext root * Removed unused scenes & more usb remnants from staged loader * CI updates * Fixed update bundle name * Temporary restored USB handler * Attempt to prevent .text corruption * Comments on how I spent this Saturday * Added update file icon * Documentation updates * Moved common code to lib folder * Storage: more unit tests * Storage: blocking dir open, differentiate file and dir when freed. * Major refactoring; added input processing to updater to allow retrying on failures (not very useful prob). Added API for extraction of thread return value * Removed re-init check for manifest * Changed low-level path manipulation to toolbox/path.h; makefile cleanup; tiny fix in lint.py * Increased update worker stack size * Text fixes in backup CLI * Displaying number of update stages to run; removed timeout in handling errors * Bumping version * Added thread cleanup for spawner thread * Updated build targets to exclude firmware bundle from 'ALL' * Fixed makefile for update_package; skipping VCP init for update mode (ugly) * Switched github build from ALL to update_package * Added +x for dist_update.sh * Cli: add total heap size to "free" command * Moved (RAM) suffix to build version instead of git commit no. * DFU comment * Some fixes suggested by clang-tidy * Fixed recursive PREFIX macro * Makefile: gather all new rules in updater namespace. FuriHal: rename bootloader to boot, isr safe delays * Github: correct build target name in firmware build * FuriHal: move target switch to boot * Makefile: fix firmware flash * Furi, FuriHal: move kernel start to furi, early init * Drop bootloader related stuff * Drop cube. Drop bootloader linker script. * Renamed update_hl, moved constants to #defines * Moved update-related boot mode to separate bitfield * Reworked updater cli to single entry point; fixed crash on tar cleanup * Added Python replacement for dist shell scripts * Linter fixes for dist.py +x * Fixes for environment suffix * Dropped bash scripts * Added dirty build flag to version structure & interfaces * Version string escapes * Fixed flag logic in dist.py; added support for App instances being imported and not terminating the whole program * Fixed fw address in ReadMe.md * Rpc: fix crash on double screen start * Return back original boot behavior and fix jump to system bootloader * Cleanup code, add error sequence for RTC * Update firmware readme * FuriHal: drop boot, restructure RTC registers usage and add header register check * Furi goes first * Toolchain: add ccache support * Renamed update bundle dir Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com> Co-authored-by: あく <alleteam@gmail.com>
2022-04-13 20:50:25 +00:00
#include <furi_hal.h>
#include <toolbox/crc32_calc.h>
[FL-2263] Flasher service & RAM exec (#1006) * WIP on stripping fw * Compact FW build - use RAM_EXEC=1 COMPACT=1 DEBUG=0 * Fixed uninitialized storage struct; small fixes to compact fw * Flasher srv w/mocked flash ops * Fixed typos & accomodated FFF changes * Alternative fw startup branch * Working load & jmp to RAM fw * +manifest processing for stage loader; + crc verification for stage payload * Fixed questionable code & potential leaks * Lowered screen update rate; added radio stack update stubs; working dfu write * Console EP with manifest & stage validation * Added microtar lib; minor ui fixes for updater * Removed microtar * Removed mtar #2 * Added a better version of microtar * TAR archive api; LFS backup & restore core * Recursive backup/restore * LFS worker thread * Added system apps to loader - not visible in UI; full update process with restarts * Typo fix * Dropped BL & f6; tooling for updater WIP * Minor py fixes * Minor fixes to make it build after merge * Ported flash workaround from BL + fixed visuals * Minor cleanup * Chmod + loader app search fix * Python linter fix * Removed usb stuff & float read support for staged loader == -10% of binary size * Added backup/restore & update pb requests * Added stub impl to RPC for backup/restore/update commands * Reworked TAR to use borrowed Storage api; slightly reduced build size by removing `static string`; hidden update-related RPC behind defines * Moved backup&restore to storage * Fixed new message types * Backup/restore/update RPC impl * Moved furi_hal_crc to LL; minor fixes * CRC HAL rework to LL * Purging STM HAL * Brought back minimal DFU boot mode (no gui); additional crc state checks * Added splash screen, BROKEN usb function * Clock init rework WIP * Stripped graphics from DFU mode * Temp fix for unused static fun * WIP update picker - broken! * Fixed UI * Bumping version * Fixed RTC setup * Backup to update folder instead of ext root * Removed unused scenes & more usb remnants from staged loader * CI updates * Fixed update bundle name * Temporary restored USB handler * Attempt to prevent .text corruption * Comments on how I spent this Saturday * Added update file icon * Documentation updates * Moved common code to lib folder * Storage: more unit tests * Storage: blocking dir open, differentiate file and dir when freed. * Major refactoring; added input processing to updater to allow retrying on failures (not very useful prob). Added API for extraction of thread return value * Removed re-init check for manifest * Changed low-level path manipulation to toolbox/path.h; makefile cleanup; tiny fix in lint.py * Increased update worker stack size * Text fixes in backup CLI * Displaying number of update stages to run; removed timeout in handling errors * Bumping version * Added thread cleanup for spawner thread * Updated build targets to exclude firmware bundle from 'ALL' * Fixed makefile for update_package; skipping VCP init for update mode (ugly) * Switched github build from ALL to update_package * Added +x for dist_update.sh * Cli: add total heap size to "free" command * Moved (RAM) suffix to build version instead of git commit no. * DFU comment * Some fixes suggested by clang-tidy * Fixed recursive PREFIX macro * Makefile: gather all new rules in updater namespace. FuriHal: rename bootloader to boot, isr safe delays * Github: correct build target name in firmware build * FuriHal: move target switch to boot * Makefile: fix firmware flash * Furi, FuriHal: move kernel start to furi, early init * Drop bootloader related stuff * Drop cube. Drop bootloader linker script. * Renamed update_hl, moved constants to #defines * Moved update-related boot mode to separate bitfield * Reworked updater cli to single entry point; fixed crash on tar cleanup * Added Python replacement for dist shell scripts * Linter fixes for dist.py +x * Fixes for environment suffix * Dropped bash scripts * Added dirty build flag to version structure & interfaces * Version string escapes * Fixed flag logic in dist.py; added support for App instances being imported and not terminating the whole program * Fixed fw address in ReadMe.md * Rpc: fix crash on double screen start * Return back original boot behavior and fix jump to system bootloader * Cleanup code, add error sequence for RTC * Update firmware readme * FuriHal: drop boot, restructure RTC registers usage and add header register check * Furi goes first * Toolchain: add ccache support * Renamed update bundle dir Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com> Co-authored-by: あく <alleteam@gmail.com>
2022-04-13 20:50:25 +00:00
#define VALID_WHOLE_FILE_CRC 0xFFFFFFFF
#define DFU_SUFFIX_VERSION 0x011A
#define DFU_SIGNATURE "DfuSe"
bool dfu_file_validate_crc(File* dfuf, const DfuPageTaskProgressCb progress_cb, void* context) {
uint32_t file_crc = crc32_calc_file(dfuf, progress_cb, context);
[FL-2263] Flasher service & RAM exec (#1006) * WIP on stripping fw * Compact FW build - use RAM_EXEC=1 COMPACT=1 DEBUG=0 * Fixed uninitialized storage struct; small fixes to compact fw * Flasher srv w/mocked flash ops * Fixed typos & accomodated FFF changes * Alternative fw startup branch * Working load & jmp to RAM fw * +manifest processing for stage loader; + crc verification for stage payload * Fixed questionable code & potential leaks * Lowered screen update rate; added radio stack update stubs; working dfu write * Console EP with manifest & stage validation * Added microtar lib; minor ui fixes for updater * Removed microtar * Removed mtar #2 * Added a better version of microtar * TAR archive api; LFS backup & restore core * Recursive backup/restore * LFS worker thread * Added system apps to loader - not visible in UI; full update process with restarts * Typo fix * Dropped BL & f6; tooling for updater WIP * Minor py fixes * Minor fixes to make it build after merge * Ported flash workaround from BL + fixed visuals * Minor cleanup * Chmod + loader app search fix * Python linter fix * Removed usb stuff & float read support for staged loader == -10% of binary size * Added backup/restore & update pb requests * Added stub impl to RPC for backup/restore/update commands * Reworked TAR to use borrowed Storage api; slightly reduced build size by removing `static string`; hidden update-related RPC behind defines * Moved backup&restore to storage * Fixed new message types * Backup/restore/update RPC impl * Moved furi_hal_crc to LL; minor fixes * CRC HAL rework to LL * Purging STM HAL * Brought back minimal DFU boot mode (no gui); additional crc state checks * Added splash screen, BROKEN usb function * Clock init rework WIP * Stripped graphics from DFU mode * Temp fix for unused static fun * WIP update picker - broken! * Fixed UI * Bumping version * Fixed RTC setup * Backup to update folder instead of ext root * Removed unused scenes & more usb remnants from staged loader * CI updates * Fixed update bundle name * Temporary restored USB handler * Attempt to prevent .text corruption * Comments on how I spent this Saturday * Added update file icon * Documentation updates * Moved common code to lib folder * Storage: more unit tests * Storage: blocking dir open, differentiate file and dir when freed. * Major refactoring; added input processing to updater to allow retrying on failures (not very useful prob). Added API for extraction of thread return value * Removed re-init check for manifest * Changed low-level path manipulation to toolbox/path.h; makefile cleanup; tiny fix in lint.py * Increased update worker stack size * Text fixes in backup CLI * Displaying number of update stages to run; removed timeout in handling errors * Bumping version * Added thread cleanup for spawner thread * Updated build targets to exclude firmware bundle from 'ALL' * Fixed makefile for update_package; skipping VCP init for update mode (ugly) * Switched github build from ALL to update_package * Added +x for dist_update.sh * Cli: add total heap size to "free" command * Moved (RAM) suffix to build version instead of git commit no. * DFU comment * Some fixes suggested by clang-tidy * Fixed recursive PREFIX macro * Makefile: gather all new rules in updater namespace. FuriHal: rename bootloader to boot, isr safe delays * Github: correct build target name in firmware build * FuriHal: move target switch to boot * Makefile: fix firmware flash * Furi, FuriHal: move kernel start to furi, early init * Drop bootloader related stuff * Drop cube. Drop bootloader linker script. * Renamed update_hl, moved constants to #defines * Moved update-related boot mode to separate bitfield * Reworked updater cli to single entry point; fixed crash on tar cleanup * Added Python replacement for dist shell scripts * Linter fixes for dist.py +x * Fixes for environment suffix * Dropped bash scripts * Added dirty build flag to version structure & interfaces * Version string escapes * Fixed flag logic in dist.py; added support for App instances being imported and not terminating the whole program * Fixed fw address in ReadMe.md * Rpc: fix crash on double screen start * Return back original boot behavior and fix jump to system bootloader * Cleanup code, add error sequence for RTC * Update firmware readme * FuriHal: drop boot, restructure RTC registers usage and add header register check * Furi goes first * Toolchain: add ccache support * Renamed update bundle dir Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com> Co-authored-by: あく <alleteam@gmail.com>
2022-04-13 20:50:25 +00:00
/* Last 4 bytes of DFU file = CRC of previous file contents, inverted
* If we calculate whole file CRC32, incl. embedded CRC,
* that should give us 0xFFFFFFFF
*/
return file_crc == VALID_WHOLE_FILE_CRC;
}
uint8_t dfu_file_validate_headers(File* dfuf, const DfuValidationParams* reference_params) {
furi_assert(reference_params);
DfuPrefix dfu_prefix = {0};
DfuSuffix dfu_suffix = {0};
uint16_t bytes_read = 0;
if(!storage_file_is_open(dfuf) || !storage_file_seek(dfuf, 0, true)) {
return 0;
}
const uint32_t dfu_suffix_offset = storage_file_size(dfuf) - sizeof(DfuSuffix);
bytes_read = storage_file_read(dfuf, &dfu_prefix, sizeof(DfuPrefix));
if(bytes_read != sizeof(DfuPrefix)) {
return 0;
}
if(memcmp(dfu_prefix.szSignature, DFU_SIGNATURE, sizeof(dfu_prefix.szSignature)) != 0) {
[FL-2263] Flasher service & RAM exec (#1006) * WIP on stripping fw * Compact FW build - use RAM_EXEC=1 COMPACT=1 DEBUG=0 * Fixed uninitialized storage struct; small fixes to compact fw * Flasher srv w/mocked flash ops * Fixed typos & accomodated FFF changes * Alternative fw startup branch * Working load & jmp to RAM fw * +manifest processing for stage loader; + crc verification for stage payload * Fixed questionable code & potential leaks * Lowered screen update rate; added radio stack update stubs; working dfu write * Console EP with manifest & stage validation * Added microtar lib; minor ui fixes for updater * Removed microtar * Removed mtar #2 * Added a better version of microtar * TAR archive api; LFS backup & restore core * Recursive backup/restore * LFS worker thread * Added system apps to loader - not visible in UI; full update process with restarts * Typo fix * Dropped BL & f6; tooling for updater WIP * Minor py fixes * Minor fixes to make it build after merge * Ported flash workaround from BL + fixed visuals * Minor cleanup * Chmod + loader app search fix * Python linter fix * Removed usb stuff & float read support for staged loader == -10% of binary size * Added backup/restore & update pb requests * Added stub impl to RPC for backup/restore/update commands * Reworked TAR to use borrowed Storage api; slightly reduced build size by removing `static string`; hidden update-related RPC behind defines * Moved backup&restore to storage * Fixed new message types * Backup/restore/update RPC impl * Moved furi_hal_crc to LL; minor fixes * CRC HAL rework to LL * Purging STM HAL * Brought back minimal DFU boot mode (no gui); additional crc state checks * Added splash screen, BROKEN usb function * Clock init rework WIP * Stripped graphics from DFU mode * Temp fix for unused static fun * WIP update picker - broken! * Fixed UI * Bumping version * Fixed RTC setup * Backup to update folder instead of ext root * Removed unused scenes & more usb remnants from staged loader * CI updates * Fixed update bundle name * Temporary restored USB handler * Attempt to prevent .text corruption * Comments on how I spent this Saturday * Added update file icon * Documentation updates * Moved common code to lib folder * Storage: more unit tests * Storage: blocking dir open, differentiate file and dir when freed. * Major refactoring; added input processing to updater to allow retrying on failures (not very useful prob). Added API for extraction of thread return value * Removed re-init check for manifest * Changed low-level path manipulation to toolbox/path.h; makefile cleanup; tiny fix in lint.py * Increased update worker stack size * Text fixes in backup CLI * Displaying number of update stages to run; removed timeout in handling errors * Bumping version * Added thread cleanup for spawner thread * Updated build targets to exclude firmware bundle from 'ALL' * Fixed makefile for update_package; skipping VCP init for update mode (ugly) * Switched github build from ALL to update_package * Added +x for dist_update.sh * Cli: add total heap size to "free" command * Moved (RAM) suffix to build version instead of git commit no. * DFU comment * Some fixes suggested by clang-tidy * Fixed recursive PREFIX macro * Makefile: gather all new rules in updater namespace. FuriHal: rename bootloader to boot, isr safe delays * Github: correct build target name in firmware build * FuriHal: move target switch to boot * Makefile: fix firmware flash * Furi, FuriHal: move kernel start to furi, early init * Drop bootloader related stuff * Drop cube. Drop bootloader linker script. * Renamed update_hl, moved constants to #defines * Moved update-related boot mode to separate bitfield * Reworked updater cli to single entry point; fixed crash on tar cleanup * Added Python replacement for dist shell scripts * Linter fixes for dist.py +x * Fixes for environment suffix * Dropped bash scripts * Added dirty build flag to version structure & interfaces * Version string escapes * Fixed flag logic in dist.py; added support for App instances being imported and not terminating the whole program * Fixed fw address in ReadMe.md * Rpc: fix crash on double screen start * Return back original boot behavior and fix jump to system bootloader * Cleanup code, add error sequence for RTC * Update firmware readme * FuriHal: drop boot, restructure RTC registers usage and add header register check * Furi goes first * Toolchain: add ccache support * Renamed update bundle dir Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com> Co-authored-by: あく <alleteam@gmail.com>
2022-04-13 20:50:25 +00:00
return 0;
}
if((dfu_prefix.bVersion != 1) || (dfu_prefix.DFUImageSize != dfu_suffix_offset)) {
return 0;
}
if(!storage_file_seek(dfuf, dfu_suffix_offset, true)) {
return 0;
}
bytes_read = storage_file_read(dfuf, &dfu_suffix, sizeof(DfuSuffix));
if(bytes_read != sizeof(DfuSuffix)) {
return 0;
}
if((dfu_suffix.bLength != sizeof(DfuSuffix)) || (dfu_suffix.bcdDFU != DFU_SUFFIX_VERSION)) {
return 0;
}
/* TODO: check DfuSignature?.. */
if((dfu_suffix.idVendor != reference_params->vendor) ||
(dfu_suffix.idProduct != reference_params->product) ||
(dfu_suffix.bcdDevice != reference_params->device)) {
return 0;
}
return dfu_prefix.bTargets;
}
/* Assumes file is open, valid and read pointer is set at the start of image data
*/
static DfuUpdateBlockResult dfu_file_perform_task_for_update_pages(
const DfuUpdateTask* task,
File* dfuf,
const ImageElementHeader* header) {
furi_assert(task);
furi_assert(header);
task->progress_cb(0, task->context);
const size_t FLASH_PAGE_SIZE = furi_hal_flash_get_page_size();
const size_t FLASH_PAGE_ALIGNMENT_MASK = FLASH_PAGE_SIZE - 1;
if((header->dwElementAddress & FLASH_PAGE_ALIGNMENT_MASK) != 0) {
/* start address is not aligned by page boundary -- we don't support that. Yet. */
return UpdateBlockResult_Failed;
}
if(task->address_cb && (!task->address_cb(header->dwElementAddress) ||
!task->address_cb(header->dwElementAddress + header->dwElementSize))) {
storage_file_seek(dfuf, header->dwElementSize, false);
task->progress_cb(100, task->context);
return UpdateBlockResult_Skipped;
}
uint8_t* fw_block = malloc(FLASH_PAGE_SIZE);
uint16_t bytes_read = 0;
uint32_t element_offs = 0;
while(element_offs < header->dwElementSize) {
uint32_t n_bytes_to_read = FLASH_PAGE_SIZE;
if((element_offs + n_bytes_to_read) > header->dwElementSize) {
n_bytes_to_read = header->dwElementSize - element_offs;
}
bytes_read = storage_file_read(dfuf, fw_block, n_bytes_to_read);
if(bytes_read == 0) {
break;
}
int16_t i_page = furi_hal_flash_get_page_number(header->dwElementAddress + element_offs);
if(i_page < 0) {
break;
}
if(!task->task_cb(i_page, fw_block, bytes_read)) {
break;
}
element_offs += bytes_read;
task->progress_cb(element_offs * 100 / header->dwElementSize, task->context);
}
free(fw_block);
return (element_offs == header->dwElementSize) ? UpdateBlockResult_OK :
UpdateBlockResult_Failed;
}
bool dfu_file_process_targets(const DfuUpdateTask* task, File* dfuf, const uint8_t n_targets) {
TargetPrefix target_prefix = {0};
ImageElementHeader image_element = {0};
uint16_t bytes_read = 0;
if(!storage_file_seek(dfuf, sizeof(DfuPrefix), true)) {
return UpdateBlockResult_Failed;
};
for(uint8_t i_target = 0; i_target < n_targets; ++i_target) {
bytes_read = storage_file_read(dfuf, &target_prefix, sizeof(TargetPrefix));
if(bytes_read != sizeof(TargetPrefix)) {
return UpdateBlockResult_Failed;
}
/* TODO: look into TargetPrefix and validate/filter?.. */
for(uint32_t i_element = 0; i_element < target_prefix.dwNbElements; ++i_element) {
bytes_read = storage_file_read(dfuf, &image_element, sizeof(ImageElementHeader));
if(bytes_read != sizeof(ImageElementHeader)) {
return UpdateBlockResult_Failed;
}
if(dfu_file_perform_task_for_update_pages(task, dfuf, &image_element) ==
UpdateBlockResult_Failed) {
return false;
}
}
}
return true;
}