badge/ui/browser.c

   1 #include "browser.h"
   2 #include "menu.h"
   3
   4 #include <drivers/fatfs/ff.h>
   5
   6 enum {
   7   LINE_LENGTH = 16
   8 };
   9
  10 static void badge_browse_textfile_fd(FIL *fd) {
  11   unsigned linecount = 0;
  12
  13   {
  14     char buf[LINE_LENGTH];
  15     while(f_gets(buf, LINE_LENGTH, fd)) {
  16       ++linecount;
  17     }
  18   }
  19
  20   if(FR_OK != f_lseek(fd, 0)) {
  21     return;
  22   }
  23
  24   char lines_buf[linecount][LINE_LENGTH];
  25   char const *lines[linecount];
  26   unsigned i;
  27
  28   for(i = 0; i < linecount && f_gets(lines_buf[i], LINE_LENGTH, fd); ++i) {
  29     lines[i] = lines_buf[i];
  30   }
  31
  32   badge_scroll_text(lines, i);
  33 }
  34
  35 void badge_browse_textfile(char const *fname) {
  36   FIL fd;
  37   if(FR_OK == f_open(&fd, fname, FA_OPEN_EXISTING | FA_READ)) {
  38     badge_browse_textfile_fd(&fd);
  39     f_close(&fd);
  40   }
  41 }