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Update HEX Viewer

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MX 2022-11-27 02:44:10 +03:00
parent 1a33e1a00b
commit 6267dc7d5b
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GPG Key ID: 6C4C311DFD4B4AB5
2 changed files with 56 additions and 31 deletions
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21
applications/plugins/hex_viewer/LICENSE Normal file
View File

@ -0,0 +1,21 @@
MIT License
Copyright (c) 2022 Roman Shchekin
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

66
applications/plugins/hex_viewer/hex_viewer.c
View File

@ -16,14 +16,14 @@
#define HEX_VIEWER_APP_PATH_FOLDER "/any"
#define HEX_VIEWER_APP_EXTENSION "*"
#define HEX_VIEWER_BYTES_PER_ROW 4
#define HEX_VIEWER_ROW_COUNT 4
#define HEX_VIEWER_BUF_SIZE (HEX_VIEWER_BYTES_PER_ROW * HEX_VIEWER_ROW_COUNT)
#define HEX_VIEWER_BYTES_PER_LINE 4u
#define HEX_VIEWER_LINES_ON_SCREEN 4u
#define HEX_VIEWER_BUF_SIZE (HEX_VIEWER_LINES_ON_SCREEN * HEX_VIEWER_BYTES_PER_LINE)
typedef struct {
uint8_t file_bytes[HEX_VIEWER_ROW_COUNT][HEX_VIEWER_ROW_COUNT];
uint32_t line;
uint32_t read_bytes;
uint8_t file_bytes[HEX_VIEWER_LINES_ON_SCREEN][HEX_VIEWER_BYTES_PER_LINE];
uint32_t file_offset;
uint32_t file_read_bytes;
uint32_t file_size;
Stream* stream;
bool mode; // Print address or content
@ -54,27 +54,28 @@ static void render_callback(Canvas* canvas, void* ctx) {
int TOP_OFFSET = 10;
int LEFT_OFFSET = 3;
uint32_t line_count = hex_viewer->model->file_size / HEX_VIEWER_BYTES_PER_ROW;
if(hex_viewer->model->file_size % HEX_VIEWER_BYTES_PER_ROW != 0) line_count += 1;
if(line_count > HEX_VIEWER_ROW_COUNT) {
uint32_t line_count = hex_viewer->model->file_size / HEX_VIEWER_BYTES_PER_LINE;
if(hex_viewer->model->file_size % HEX_VIEWER_BYTES_PER_LINE != 0) line_count += 1;
uint32_t first_line_on_screen = hex_viewer->model->file_offset / HEX_VIEWER_BYTES_PER_LINE;
if(line_count > HEX_VIEWER_LINES_ON_SCREEN) {
uint8_t width = canvas_width(canvas);
elements_scrollbar_pos(
canvas,
width,
0,
ROW_HEIGHT * HEX_VIEWER_ROW_COUNT,
hex_viewer->model->line,
line_count - (HEX_VIEWER_ROW_COUNT - 1));
ROW_HEIGHT * HEX_VIEWER_LINES_ON_SCREEN,
first_line_on_screen, // TODO
line_count - (HEX_VIEWER_LINES_ON_SCREEN - 1));
}
char temp_buf[32];
uint32_t row_iters = hex_viewer->model->read_bytes / HEX_VIEWER_BYTES_PER_ROW;
if(hex_viewer->model->read_bytes % HEX_VIEWER_BYTES_PER_ROW != 0) row_iters += 1;
uint32_t row_iters = hex_viewer->model->file_read_bytes / HEX_VIEWER_BYTES_PER_LINE;
if(hex_viewer->model->file_read_bytes % HEX_VIEWER_BYTES_PER_LINE != 0) row_iters += 1;
for(uint32_t i = 0; i < row_iters; ++i) {
uint32_t bytes_left_per_row = hex_viewer->model->read_bytes - i * HEX_VIEWER_BYTES_PER_ROW;
if(bytes_left_per_row > HEX_VIEWER_BYTES_PER_ROW)
bytes_left_per_row = HEX_VIEWER_BYTES_PER_ROW;
uint32_t bytes_left_per_row =
hex_viewer->model->file_read_bytes - i * HEX_VIEWER_BYTES_PER_LINE;
bytes_left_per_row = MIN(bytes_left_per_row, HEX_VIEWER_BYTES_PER_LINE);
if(hex_viewer->model->mode) {
memcpy(temp_buf, hex_viewer->model->file_bytes[i], bytes_left_per_row);
@ -85,8 +86,8 @@ static void render_callback(Canvas* canvas, void* ctx) {
canvas_set_font(canvas, FontKeyboard);
canvas_draw_str(canvas, LEFT_OFFSET, TOP_OFFSET + i * ROW_HEIGHT, temp_buf);
} else {
int addr = (i + hex_viewer->model->line) * HEX_VIEWER_BYTES_PER_ROW;
snprintf(temp_buf, 32, "%04X", addr);
uint32_t addr = hex_viewer->model->file_offset + i * HEX_VIEWER_BYTES_PER_LINE;
snprintf(temp_buf, 32, "%04lX", addr);
canvas_set_font(canvas, FontKeyboard);
canvas_draw_str(canvas, LEFT_OFFSET, TOP_OFFSET + i * ROW_HEIGHT, temp_buf);
@ -105,7 +106,7 @@ static void render_callback(Canvas* canvas, void* ctx) {
static void input_callback(InputEvent* input_event, void* ctx) {
HexViewer* hex_viewer = ctx;
if(input_event->type == InputTypeShort) {
if(input_event->type == InputTypeShort || input_event->type == InputTypeRepeat) {
furi_message_queue_put(hex_viewer->input_queue, input_event, 0);
}
}
@ -173,19 +174,20 @@ static bool hex_viewer_open_file(HexViewer* hex_viewer, const char* file_path) {
static bool hex_viewer_read_file(HexViewer* hex_viewer) {
furi_assert(hex_viewer);
furi_assert(hex_viewer->model->stream);
furi_assert(hex_viewer->model->file_offset % HEX_VIEWER_BYTES_PER_LINE == 0);
memset(hex_viewer->model->file_bytes, 0x0, HEX_VIEWER_BUF_SIZE);
bool isOk = true;
do {
uint32_t offset = hex_viewer->model->line * HEX_VIEWER_BYTES_PER_ROW;
uint32_t offset = hex_viewer->model->file_offset;
if(!stream_seek(hex_viewer->model->stream, offset, true)) {
FURI_LOG_E(TAG, "Unable to seek stream");
isOk = false;
break;
}
hex_viewer->model->read_bytes = stream_read(
hex_viewer->model->file_read_bytes = stream_read(
hex_viewer->model->stream,
(uint8_t*)hex_viewer->model->file_bytes,
HEX_VIEWER_BUF_SIZE);
@ -221,6 +223,8 @@ int32_t hex_viewer_app(void* p) {
}
}
FURI_LOG_I(TAG, "File selected: %s", furi_string_get_cstr(file_path));
if(!hex_viewer_open_file(hex_viewer, furi_string_get_cstr(file_path))) break;
hex_viewer_read_file(hex_viewer);
@ -231,19 +235,18 @@ int32_t hex_viewer_app(void* p) {
break;
} else if(input.key == InputKeyUp) {
furi_check(furi_mutex_acquire(hex_viewer->mutex, FuriWaitForever) == FuriStatusOk);
if(hex_viewer->model->line > 0) {
hex_viewer->model->line--;
if(hex_viewer->model->file_offset > 0) {
hex_viewer->model->file_offset -= HEX_VIEWER_BYTES_PER_LINE;
if(!hex_viewer_read_file(hex_viewer)) break;
}
furi_mutex_release(hex_viewer->mutex);
} else if(input.key == InputKeyDown) {
furi_check(furi_mutex_acquire(hex_viewer->mutex, FuriWaitForever) == FuriStatusOk);
uint32_t cur_pos = hex_viewer->model->line * HEX_VIEWER_BYTES_PER_ROW +
hex_viewer->model->read_bytes;
uint32_t last_byte_on_screen =
hex_viewer->model->file_offset + hex_viewer->model->file_read_bytes;
if(hex_viewer->model->file_size > cur_pos) {
hex_viewer->model->line++;
if(hex_viewer->model->file_size > last_byte_on_screen) {
hex_viewer->model->file_offset += HEX_VIEWER_BYTES_PER_LINE;
if(!hex_viewer_read_file(hex_viewer)) break;
}
furi_mutex_release(hex_viewer->mutex);
@ -256,13 +259,14 @@ int32_t hex_viewer_app(void* p) {
buffer = furi_string_alloc();
furi_string_printf(
buffer,
"File path: %s\nFile size: %lu bytes",
"File path: %s\nFile size: %lu (0x%lX)",
furi_string_get_cstr(file_path),
hex_viewer->model->file_size,
hex_viewer->model->file_size);
DialogsApp* dialogs = furi_record_open(RECORD_DIALOGS);
DialogMessage* message = dialog_message_alloc();
dialog_message_set_header(message, "Hex Viewer", 16, 2, AlignLeft, AlignTop);
dialog_message_set_header(message, "Hex Viewer v1.1", 16, 2, AlignLeft, AlignTop);
dialog_message_set_icon(message, &I_hex_10px, 3, 2);
dialog_message_set_text(
message, furi_string_get_cstr(buffer), 3, 16, AlignLeft, AlignTop);