static char* lcd_sd_menu_filename_callback(uint8_t nr)
{
//This code uses the card.longFilename as buffer to store the filename, to save memory.
if (nr == 0)
{
if (card.atRoot())
{
strcpy_P(card.longFilename, PSTR("< RETURN"));
}else{
strcpy_P(card.longFilename, PSTR("< BACK"));
}
}else{
card.longFilename[0] = '\0';
for(uint8_t idx=0; idx<LCD_CACHE_COUNT; idx++)
{
if (LCD_CACHE_ID(idx) == nr)
strcpy(card.longFilename, LCD_CACHE_FILENAME(idx));
}
if (card.longFilename[0] == '\0')
{
card.getfilename(nr - 1);
if (!card.longFilename[0])
strcpy(card.longFilename, card.filename);
if (!card.filenameIsDir)
{
if (strchr(card.longFilename, '.')) strrchr(card.longFilename, '.')[0] = '\0';
}
uint8_t idx = nr % LCD_CACHE_COUNT;
LCD_CACHE_ID(idx) = nr;
strcpy(LCD_CACHE_FILENAME(idx), card.longFilename);
LCD_CACHE_TYPE(idx) = card.filenameIsDir ? 1 : 0;
if (card.errorCode() && card.sdInserted)
{
//On a read error reset the file position and try to keep going. (not pretty, but these read errors are annoying as hell)
card.clearError();
LCD_CACHE_ID(idx) = 255;
card.longFilename[0] = '\0';
}
}
}
return card.longFilename;
}
void lcd_sd_menu_details_callback(uint8_t nr)
{
if (nr == 0)
{
return;
}
for(uint8_t idx=0; idx<LCD_CACHE_COUNT; idx++)
{
if (LCD_CACHE_ID(idx) == nr)
{
if (LCD_CACHE_TYPE(idx) == 1)
{
lcd_lib_draw_string_centerP(53, PSTR("Folder"));
}else{
char buffer[64];
if (LCD_DETAIL_CACHE_ID() != nr)
{
card.getfilename(nr - 1);
if (card.errorCode())
{
card.clearError();
return;
}
LCD_DETAIL_CACHE_ID() = nr;
LCD_DETAIL_CACHE_TIME() = 0;
for(uint8_t e=0; e<EXTRUDERS; e++)
LCD_DETAIL_CACHE_MATERIAL(e) = 0;
card.openFile(card.filename, true);
if (card.isFileOpen())
{
for(uint8_t n=0;n<8;n++)
{
card.fgets(buffer, sizeof(buffer));
buffer[sizeof(buffer)-1] = '\0';
while (strlen(buffer) > 0 && buffer[strlen(buffer)-1] < ' ') buffer[strlen(buffer)-1] = '\0';
if (strncmp_P(buffer, PSTR(";TIME:"), 6) == 0)
LCD_DETAIL_CACHE_TIME() = atol(buffer + 6);
else if (strncmp_P(buffer, PSTR(";MATERIAL:"), 10) == 0)
LCD_DETAIL_CACHE_MATERIAL(0) = atol(buffer + 10);
#if EXTRUDERS > 1
else if (strncmp_P(buffer, PSTR(";MATERIAL2:"), 11) == 0)
LCD_DETAIL_CACHE_MATERIAL(1) = atol(buffer + 11);
#endif
}
}
if (card.errorCode())
{
//On a read error reset the file position and try to keep going. (not pretty, but these read errors are annoying as hell)
card.clearError();
LCD_DETAIL_CACHE_ID() = 255;
}
}
if (LCD_DETAIL_CACHE_TIME() > 0)
{
char* c = buffer;
if (led_glow_dir)
{
strcpy_P(c, PSTR("Time: ")); c += 6;
c = int_to_time_string(LCD_DETAIL_CACHE_TIME(), c);
}else{
strcpy_P(c, PSTR("Material: ")); c += 10;
float length = float(LCD_DETAIL_CACHE_MATERIAL(0)) / (M_PI * (material[0].diameter / 2.0) * (material[0].diameter / 2.0));
if (length < 10000)
c = float_to_string(length / 1000.0, c, PSTR("m"));
else
c = int_to_string(length / 1000.0, c, PSTR("m"));
#if EXTRUDERS > 1
if (LCD_DETAIL_CACHE_MATERIAL(1))
{
*c++ = '/';
float length = float(LCD_DETAIL_CACHE_MATERIAL(1)) / (M_PI * (material[1].diameter / 2.0) * (material[1].diameter / 2.0));
if (length < 10000)
c = float_to_string(length / 1000.0, c, PSTR("m"));
else
c = int_to_string(length / 1000.0, c, PSTR("m"));
}
#endif
}
lcd_lib_draw_string(3, 53, buffer);
}else{
lcd_lib_draw_stringP(3, 53, PSTR("No info available"));
}
}
}
}
}
