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tinySA/vna_browser.c

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static uint16_t file_count;
static uint16_t page_count;
static uint16_t current_page;
static uint16_t sel_mode;
// Buttons in browser
enum {FILE_BUTTON_LEFT = 0, FILE_BUTTON_RIGHT, FILE_BUTTON_EXIT, FILE_BUTTON_DEL, FILE_BUTTON_FILE};
// Button position on screen
typedef struct {
uint16_t x;
uint16_t y;
uint16_t w;
uint8_t h;
uint8_t ofs;
} browser_btn_t;
static const browser_btn_t browser_btn[] = {
[FILE_BUTTON_LEFT] = { 0 + 40, LCD_HEIGHT - FILE_BOTTOM_HEIGHT, LCD_WIDTH/2 - 80, FILE_BOTTOM_HEIGHT, (LCD_WIDTH/2 - 80 - FONT_WIDTH)/2}, // < previous
[FILE_BUTTON_RIGHT]= {LCD_WIDTH/2 + 40, LCD_HEIGHT - FILE_BOTTOM_HEIGHT, LCD_WIDTH/2 - 80, FILE_BOTTOM_HEIGHT, (LCD_WIDTH/2 - 80 - FONT_WIDTH)/2}, // > next
[FILE_BUTTON_EXIT] = {LCD_WIDTH - 40, LCD_HEIGHT - FILE_BOTTOM_HEIGHT, 40, FILE_BOTTOM_HEIGHT, ( 40 - FONT_WIDTH)/2}, // X exit
[FILE_BUTTON_DEL] = { 0 + 0, LCD_HEIGHT - FILE_BOTTOM_HEIGHT, 40, FILE_BOTTOM_HEIGHT, ( 40 - 3*FONT_WIDTH)/2}, // DEL
// File button, only size and start position, must be idx = FILE_BUTTON_FILE
[FILE_BUTTON_FILE] = { 0, 0, LCD_WIDTH/FILES_COLUMNS, FILE_BUTTON_HEIGHT, 5},
};
static void browser_get_button_pos(int idx, browser_btn_t *b) {
int n = idx >= FILE_BUTTON_FILE ? FILE_BUTTON_FILE : idx;
#if 0
memcpy(b, &browser_btn[n], sizeof(browser_btn_t));
#else
b->x = browser_btn[n].x;
b->y = browser_btn[n].y;
b->w = browser_btn[n].w;
b->h = browser_btn[n].h;
b->ofs = browser_btn[n].ofs;
#endif
if (idx > FILE_BUTTON_FILE) { // for file buttons use multiplier from start offset
idx-= FILE_BUTTON_FILE;
b->x+= b->w * (idx / FILES_ROWS);
b->y+= b->h * (idx % FILES_ROWS);
}
}
static void browser_draw_button(int idx, const char *txt) {
if (idx < 0) return;
ui_button_t b;
browser_btn_t btn;
browser_get_button_pos(idx, &btn);
// Mark DEL button in file delete mode
b.bg = (idx == FILE_BUTTON_DEL && sel_mode) ? LCD_LOW_BAT_COLOR : LCD_MENU_COLOR;
b.fg = LCD_MENU_TEXT_COLOR;
b.border = (idx == selection) ? BROWSER_BUTTON_BORDER|BUTTON_BORDER_FALLING : BROWSER_BUTTON_BORDER|BUTTON_BORDER_RISE;
if (txt == NULL) b.border|= BUTTON_BORDER_NO_FILL;
draw_button(btn.x, btn.y, btn.w, btn.h, &b);
if (txt) ili9341_drawstring_7x13(txt, btn.x + btn.ofs, btn.y + (btn.h - FONT_STR_HEIGHT) / 2);
}
static char to_lower(char c) {return (c >='A' && c <= 'Z') ? c - 'A' + 'a' : c;}
static bool strcmpi(const char *t1, const char *t2) {
int i = 0;
while (1) {
char ch1 = to_lower(t1[i]), ch2 = to_lower(t2[i]);
if (ch1 != ch2) return false;
if (ch1 == 0) return true;
i++;
}
}
static bool compare_ext(const char *name, const char *ext) {
int i = 0, j = 0;
while (name[i]) if (name[i++] == '.') j = i; // Get last '.' position + 1
return j == 0 ? false : strcmpi(&name[j], ext); // Compare text after '.' and ext
}
static FRESULT sd_findnext(DIR* dp, FILINFO* fno) {
while (f_readdir(dp, fno) == FR_OK && fno->fname[0]) {
if (fno->fattrib & AM_DIR) continue;
if (compare_ext(fno->fname, dp->pat)) return FR_OK;
//#if FF_USE_LFN && FF_USE_FIND == 2
// if (compare_ext(fno->altname, dp->pat)) return FR_OK;
//#endif
}
return FR_NO_FILE;
}
static FRESULT sd_open_dir(DIR* dp, const TCHAR* path, const TCHAR* pattern) {
dp->pat = pattern;
return f_opendir(dp, path);
}
static void browser_open_file(int sel) {
FILINFO fno;
FRESULT res;
DIR dj;
int cnt;
if ((uint16_t)sel >= file_count) return;
if (f_mount(fs_volume, "", 1) != FR_OK) return;
repeat:
cnt = sel;
if (sd_open_dir(&dj, "", file_ext[keypad_mode]) != FR_OK) return; // open dir
while (sd_findnext(&dj, &fno) == FR_OK && cnt != 0) cnt--; // skip cnt files
f_closedir(&dj);
if (cnt != 0) return;
// Delete file if in delete mode
if (sel_mode) {f_unlink(fno.fname); return;}
const char *error = NULL;
bool leave_show = true;
UINT size;
if (f_open(fs_file, fno.fname, FA_READ) != FR_OK) return;
ili9341_set_foreground(LCD_FG_COLOR);
ili9341_set_background(LCD_BG_COLOR);
switch (keypad_mode) {
//#ifdef __SD_CARD_LOAD__
// case FMT_CMD_FILE:
// {
// const int buffer_size = 256;
// const int line_size = 128;
// char *buf_8 = (char *)spi_buffer; // must be greater then buffer_size + line_size
// char *line = buf_8 + buffer_size;
// uint16_t j = 0, i;
// while (f_read(fs_file, buf_8, buffer_size, &size) == FR_OK && size > 0) {
// for (i = 0; i < size; i++) {
// uint8_t c = buf_8[i];
// if (c == '\r') { // New line (Enter)
// line[j] = 0; j = 0;
// VNAShell_executeCMDLine(line);
// }
// else if (c < 0x20) continue; // Others (skip)
// else if (j < line_size) line[j++] = (char)c; // Store
// }
// }
// break;
// }
//#endif
/*
* BMP file load procedure, load only device screenshots
*/
case FMT_BMP_FILE:
{
int y;
leave_show = false; // allow step up/down load bitmap
uint16_t *buf_16 = spi_buffer; // prepare buffer
res = f_read(fs_file, (void *)buf_16, sizeof(bmp_header_v4), &size); // read heaser
if (res != FR_OK || buf_16[9] != LCD_WIDTH || buf_16[11] != LCD_HEIGHT || buf_16[14] != 16) {error = "Format err"; break;}
for (y = LCD_HEIGHT-1; y >=0 && res == FR_OK; y--) {
res = f_read(fs_file, (void *)buf_16, LCD_WIDTH * sizeof(uint16_t), &size);
swap_bytes(buf_16, LCD_WIDTH);
ili9341_bulk(0, y, LCD_WIDTH, 1);
}
ili9341_drawstring_7x13(fno.fname, 0, LCD_HEIGHT - 3*FONT_STR_HEIGHT);
}
break;
/*
* Load calibration
*/
// case FMT_CAL_FILE:
// {
// uint32_t magic;
// char *src = (char*)&current_props + sizeof(magic);
// uint32_t total = sizeof(current_props) - sizeof(magic);
// // Compare file size and try read magic header, if all OK load it
// if (fno.fsize == sizeof(current_props) && f_read(fs_file, &magic, sizeof(magic), &size) == FR_OK &&
// magic == PROPS_MAGIC && f_read(fs_file, src, total, &size) == FR_OK)
// load_properties(NO_SAVE_SLOT);
// else error = "Format err";
// }
// break;
/*
* Load preset
*/
case FMT_PRS_FILE:
{
uint32_t magic;
char *src = (char*)&setting + sizeof(magic);
uint32_t total = sizeof(setting_t) - sizeof(magic);
// Compare file size and try read magic header, if all OK load it
if (fno.fsize == sizeof(setting) && f_read(fs_file, &magic, sizeof(magic), &size) == FR_OK &&
magic == CONFIG_MAGIC && f_read(fs_file, src, total, &size) == FR_OK) {
// TODO remove code duplication with flash.c
update_min_max_freq();
update_frequencies();
set_scale(setting.scale);
set_reflevel(setting.reflevel);
set_waterfall();
set_level_meter();
}
else error = "Format err";
}
break;
default: break;
}
f_close(fs_file);
if (error) {
ili9341_clear_screen();
drawMessageBox(error, fno.fname, leave_show ? 2000 : 0);
}
if (leave_show) return;
// Process input
while (1) {
uint16_t status = btn_check();
int key = -1;
if (status & EVT_DOWN) key = 0;
if (status & EVT_UP ) key = 1;
if (status & EVT_BUTTON_SINGLE_CLICK) key = 2;
status = touch_check();
if (status == EVT_TOUCH_PRESSED || status == EVT_TOUCH_DOWN) {
int touch_x, touch_y;
touch_position(&touch_x, &touch_y);
if (touch_x < LCD_WIDTH *1/3) key = 0;
else if (touch_x < LCD_WIDTH *2/3) key = 2;
else key = 1;
touch_wait_release();
}
chThdSleepMilliseconds(100);
int old_sel = sel;
if (key == 0) {if (--sel < 0) sel = file_count - 1;}
else if (key == 1) {if (++sel > file_count - 1) sel = 0;}
else if (key == 2) break;
if (old_sel != sel) goto repeat;
}
}
static void browser_draw_buttons(void) {
browser_draw_button(FILE_BUTTON_DEL, "DEL");
browser_draw_button(FILE_BUTTON_LEFT, "<");
browser_draw_button(FILE_BUTTON_RIGHT, ">");
browser_draw_button(FILE_BUTTON_EXIT, "X");
}
static void browser_draw_page(int page) {
FILINFO fno;
DIR dj;
// Mount SD card and open directory
if (f_mount(fs_volume, "", 1) != FR_OK ||
sd_open_dir(&dj, "", file_ext[keypad_mode]) != FR_OK) {
drawMessageBox("ERROR", "NO CARD", 2000);
ui_mode_normal();
return;
}
// Draw Browser UI
int cnt = 0;
uint16_t start_file = (page - 1) * FILES_PER_PAGE;
ili9341_set_background(LCD_MENU_COLOR);
ili9341_clear_screen();
while (sd_findnext(&dj, &fno) == FR_OK) {
if (cnt >= start_file && cnt < (start_file + FILES_PER_PAGE)) {
//uint16_t sec = ((fno.ftime<<1) & 0x3F);
//uint16_t min = ((fno.ftime>>5) & 0x3F);
//uint16_t h = ((fno.ftime>>11) & 0x1F);
//uint16_t d = ((fno.fdate>>0) & 0x1F);
//uint16_t m = ((fno.fdate>>5) & 0x0F);
//uint16_t year= ((fno.fdate>>9) & 0x3F) + 1980;
//lcd_printf(x, y, "%2d %s %u - %u/%02u/%02u %02u:%02u:%02u", cnt, fno.fname, fno.fsize, year, m, d, h, min, sec);
browser_draw_button(cnt - start_file + FILE_BUTTON_FILE, fno.fname);
}
cnt++;
if (file_count && (start_file + FILES_PER_PAGE == cnt)) break;
}
f_closedir(&dj);
// Calculate page and file count on first run
if (file_count == 0) {
file_count = cnt;
page_count = cnt == 0 ? 1 : (file_count + FILES_PER_PAGE - 1) / FILES_PER_PAGE;
}
browser_draw_buttons();
lcd_printf(LCD_WIDTH / 2 - 3 * FONT_WIDTH, LCD_HEIGHT - (FILE_BOTTOM_HEIGHT + FONT_STR_HEIGHT) / 2, "- %u | %u -", page, page_count);
return;
}
static void browser_key_press(int key) {
int page;
switch (key) {
case FILE_BUTTON_LEFT:
case FILE_BUTTON_RIGHT: // Switch page on left / right change
page = current_page;
if (key == FILE_BUTTON_LEFT && --current_page < 1) current_page = page_count;
if (key == FILE_BUTTON_RIGHT && ++current_page > page_count) current_page = 1;
if (page != current_page)
browser_draw_page(current_page);
break;
case FILE_BUTTON_EXIT: //Exit
ui_mode_normal();
break;
case FILE_BUTTON_DEL: // Toggle delete mode
sel_mode^= 1;
browser_draw_buttons();
break;
case FILE_BUTTON_FILE: // Open or delete file
default:
browser_open_file(key - FILE_BUTTON_FILE + (current_page - 1) * FILES_PER_PAGE);
if (sel_mode) {
file_count = 0; // Reeset file count (recalculate on draw page)
selection = -1; // Reset delection
sel_mode = 0; // Exit file delete mode
browser_draw_page(current_page);
return;
}
ui_mode_normal(); // Exit
break;
}
}
static int browser_get_max(void) {
// get max buttons depend from page and file count
int max = current_page == page_count ? (file_count % FILES_PER_PAGE) : FILES_PER_PAGE;
if (file_count > 0 && max == 0) max = FILES_PER_PAGE;
return max + FILE_BUTTON_FILE - 1;
}
// Process UI input for browser
static void browser_apply_touch(int touch_x, int touch_y) {
browser_btn_t btn;
int old = selection;
int max = browser_get_max();
for (int idx = 0; idx <= max; idx++) {
browser_get_button_pos(idx, &btn);
if (touch_x < btn.x || touch_x >= btn.x + btn.w ||
touch_y < btn.y || touch_y >= btn.y + btn.h) continue;
// Found button under touch
browser_draw_button(selection = idx, NULL); // draw new selection
browser_draw_button(old, NULL); // clear old
touch_wait_release();
selection = -1;
browser_draw_button(idx, NULL); // clear selection
browser_key_press(idx);
return;
}
}
static void ui_process_browser_lever(void) {
uint16_t status = btn_check();
if (status == 0) return;
if (status == EVT_BUTTON_SINGLE_CLICK) {
if (selection >= 0) browser_key_press(selection); // Process click
return;
}
int max = browser_get_max();
do {
int old = selection;
if((status & EVT_DOWN) && --selection < 0) selection = max;
if((status & EVT_UP) && ++selection > max) selection = 0;
if (old != selection) {
browser_draw_button(old, NULL); // clear old selection
browser_draw_button(selection, NULL); // draw new selection
}
chThdSleepMilliseconds(100);
} while ((status = btn_wait_release()) != 0);
}
static UI_FUNCTION_CALLBACK(menu_sdcard_browse_cb) {
(void)item;
if (ui_mode == UI_BROWSER)
return;
area_width = 0;
area_height = 0;
ui_mode = UI_BROWSER;
keypad_mode = data;
current_page = 1;
file_count = 0;
selection = -1;
sel_mode = 0;
browser_draw_page(current_page);
}
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