Ken Van Hoeylandt 50bd6e8bf6
Merge develop into main branch (#137)
* SdCard HAL refactored (#135)

- Refactor SdCard HAL
- introduce Lockable

* Screenshot and FatFS improvements (#136)

- Fix screenshots on ESP32
- Improve Screenshot service
- Convert Screenshot app to class-based instead of structs
- Screenshot app now automatically updates when task is finished
- Enable FatFS long filename support

* Re-use common log messages (#138)

For consistency and binary size reduction

* Toolbar spinner should get margin to the right

* More TactilityC features (#139)

* Rewrote Loader

- Simplified Loader by removing custom threa
- Created DispatcherThread
- Move auto-starting apps to Boot app
- Fixed Dispatcher bug where it could get stuck not processing new
messages

* Hide AP settings if the AP is not saved

* Missing from previous commit

* Replace LV_EVENT_CLICKED with LV_EVENT_SHORT_CLICKED

* Refactored files app and created InputDialog (#140)

- Changed Files app so that it has a View and State
- Files app now allows for long-pressing on files to perform actions
- Files app now has rename and delete actions
- Created InputDialog app
- Improved AlertDialog app layout
2024-12-27 23:12:39 +01:00

83 lines
2.1 KiB
C++

#include "File.h"
namespace tt::file {
#define TAG "file"
long getSize(FILE* file) {
long original_offset = ftell(file);
if (fseek(file, 0, SEEK_END) != 0) {
TT_LOG_E(TAG, "fseek failed");
return -1;
}
long file_size = ftell(file);
if (file_size == -1) {
TT_LOG_E(TAG, "Could not get file length");
return -1;
}
if (fseek(file, original_offset, SEEK_SET) != 0) {
TT_LOG_E(TAG, "fseek Failed");
return -1;
}
return file_size;
}
static std::unique_ptr<uint8_t[]> readBinaryInternal(const std::string& filepath, size_t& outSize, size_t sizePadding = 0) {
FILE* file = fopen(filepath.c_str(), "rb");
if (file == nullptr) {
TT_LOG_E(TAG, "Failed to open %s", filepath.c_str());
return nullptr;
}
long content_length = getSize(file);
if (content_length == -1) {
TT_LOG_E(TAG, "Failed to determine content length for %s", filepath.c_str());
return nullptr;
}
auto data = std::make_unique<uint8_t[]>(content_length + sizePadding);
if (data == nullptr) {
TT_LOG_E(TAG, "Insufficient memory. Failed to allocate %ldl bytes.", content_length);
return nullptr;
}
size_t buffer_offset = 0;
while (buffer_offset < content_length) {
size_t bytes_read = fread(&data.get()[buffer_offset], 1, content_length - buffer_offset, file);
TT_LOG_I(TAG, "Read %d bytes", bytes_read);
if (bytes_read > 0) {
buffer_offset += bytes_read;
} else { // Something went wrong?
data = nullptr;
break;
}
}
outSize = buffer_offset;
fclose(file);
return data;
}
std::unique_ptr<uint8_t[]> readBinary(const std::string& filepath, size_t& outSize) {
return readBinaryInternal(filepath, outSize);
}
std::unique_ptr<uint8_t[]> readString(const std::string& filepath) {
size_t size = 0;
auto data = readBinaryInternal(filepath, size, 1);
if (size > 0) {
data.get()[size] = 0; // Append null terminator
return data;
} else {
return nullptr;
}
}
}