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   expr_list()

   exec()
   return()
   if()
   for()
   loop()
   nop()

  Output
   print()
   clear()
   debug()

  Math
   abs()
   sign()

   sqr()
   sqrt()

   min()
   max()

   inc()
   dec()

   rand()

   none()
   nan()

   def()
   defnz()

   is_none()
   is_num()
   is_str()
   is_valid()

   bool()

  Rounding
   round()
   roundup()
   floor()
   ceil()
   trunc()
   center()
   centerex()

   s8()
   u8()
   s16()
   u16()
   s32()
   u32()

  Trigonometric
   pi()
   sin()
   cos()
   tan()
   asin()
   acos()
   atan()
   atan2()

   rad2deg()
   deg2rad()

  Logarithmic
   e()
   pow()
   exp()
   exp10()
   exp2()
   log()
   log10()
   log2()

  Bitwise
   bit()
   not()
   and()
   or()
   xor()
   nand()
   nor()
   xnor()
   shl()
   shr()

  Logical
   lnot()
   land()
   lor()
   lxor()
   lnand()
   lnor()
   lxnor()

  Relational
   eq()
   ne()
   gt()
   lt()
   ge()
   le()

  Date & Time
   date()
   datetime()
   year()
   month()
   day()
   hour()
   minute()
   second()
   millisec()

  Strings
   str()
   strlen()
   padleft()
   padright()
   hex()
   bin()
   chr()
   match()

  Parameters
   param_get()
   param_set()
   param_remove()
   param_persistent()

  Coordinates & Units
   to_motor()
   to_motor_xy()
   to_motor_uv()

   to_work()
   to_work_xy()
   to_work_uv()

   mm_to_unit()
   unit_to_mm()

   mm_to_setunit()
   setunit_to_mm()

   unit_to_setunit()
   setunit_to_unit()

   setunit()

  Commands
   estop()
   stop()
   pause()
   start()

   open()
   close()

   settings()
   exit()
   exitforce()

   output()
   output_pwm()
   output_rc()

   mist()
   flood()
   spindle()

   extout1()
   extout2()

   jog()
   jog_axis()
   jog_stop()

   speed_override()
   spindle_override()

   thc()

   cmd_list()
   cmd_count()

   cmd_get_id()
   cmd_get_name()
   cmd_get_displayname()

   cmd_is_enabled()
   cmd_is_checked()

   cmd_exec()

   open_file()
   open_code()
   start_file()
   start_code()
   test_file()
   test_code()

   run()

   py_list()
   py()
   py_term()
   py_msg()

  UI
   is_visible()
   show()
   hide()

   set_status()
   set_progress()

   is_ui_ready()

  Message
   msg()
   msgerr()

   msg_show()

   msg_count()
   msg_is_active()

   msg_click_ok()
   msg_click_cancel()

   bubble()

  Dialog
   dlg_file_open()
   dlg_file_save()

   dlg_new()
   dlg_init()
   dlg_update()
   dlg_clear()

   dlg_show()
   dlg_abort()

   dlg_is_valid()
   dlg_keep_open()
   dlg_callback()

   dlg_modal()
   dlg_set_resizable()
   dlg_set_pos()
   dlg_set_size()
   dlg_set_btn()
   dlg_set_name()
   dlg_set_color()

   dlg_add_separator()
   dlg_add_image()
   dlg_add_label()
   dlg_add_checkbox()
   dlg_add_num_input()
   dlg_add_txt_input()
   dlg_add_dropbox()
   dlg_add_button()

   dlg_comp_pos()
   dlg_comp_size()
   dlg_comp_color()
   dlg_comp_font()
   dlg_comp_name()
   dlg_comp_value()
   dlg_comp_callback()

   dlg_draw_line()
   dlg_draw_arrow()
   dlg_draw_circle()
   dlg_draw_rect()

   dlg_click_apply()
   dlg_click_ok()
   dlg_click_close()

   dlg_has_btn_apply()
   dlg_has_btn_ok()
   dlg_has_btn_close()

  Points
   points_count()
   points_clear()
   points_add()
   points_get()
   points_set()
   points_delete()
   points_load()
   points_save()

  File
   file_delete()
   file_open()
   file_close()
   file_read()
   file_append()
   file_flush()

  Array
   array_new()
   array_delete()
   array_isvalid()
   array_size()
   array_clear()
   array_resize()
   array_insert()
   array_remove()
   array_copy()
   array_printstring()
   array_printdata()
   array_setstring()
   array_getstring()
   array_setdata()
   array_setdata16()
   array_setdata32()
   array_setdata64()
   array_setdataflt32()
   array_setdataflt64()
   array_getdata()
   array_getdata16()
   array_getdata32()
   array_getdata64()
   array_getdataflt32()
   array_getdataflt64()
   array_crc16()
   array_crc32()

  Serial
   serial_list()
   serial_info()
   serial_open()
   serial_close()
   serial_config()
   serial_write()
   serial_writedata()
   serial_writedata16()
   serial_writedata32()
   serial_writearray()
   serial_writeflush()
   serial_read()
   serial_readdata()
   serial_readarray()
   serial_readflush()
   serial_addlistener()
   serial_remlistener()

  USB
   usb_list()
   usb_info()
   usb_open()
   usb_close()
   usb_read()
   usb_readdata()
   usb_readarray()
   usb_write()
   usb_writedata()
   usb_writearray()
   usb_addlistener()
   usb_remlistener()

  Hash
   crc16()
   crc32()
   sha256()
   sha256_f()
   md5()
   md5_f()

  Crypt
   aes256_encrypt()
   aes256_encrypt_f()
   aes256_decrypt()
   aes256_decrypt_f()

  Colors
   rgb_to_hue()
   rgb_to_saturation()
   rgb_to_lightness()
   rgb_to_name()

  Camera
   cam_grab()
   cam_color()
   cam_rect()

  Sound
   beep()
   siren()
   sound_load()
   sound_unload()
   sound_play()
   sound_stop()
   sound_is_playing()

  MIDI
   midi_note_on()
   midi_note_off()
   midi_ctrl()
   midi_prog()
   midi_play()
   midi_stop()
   midi_is_playing()

   midiin_channel()
   midiin_prog()
   midiin_note()
   midiin_ctrl()

  Misc
   sleep()

   url()
   rubik()

  PoKeys
   pk_digital()
   pk_analog()

Operators

Events

expr:functions:func-chr

chr()

Converts a number to a character or a string.

If a second parameter is provided, repeats the character up to 1000 times.

Syntax

chr(value)
chr(value, count)

Parameters

Parameter Type Description
value Number/String A number to convert to a character or a string to process.
count Number (optional) The number of times to repeat the character. optional

Return Value

  • If `value` is a number, returns the corresponding ASCII character.
  • If `count` is provided, the character is repeated up to 1000 times.
  • If `value` is a string, encodes the string as a numerical representation.

Examples

Convert number to character

chr(65);      // returns "A"
chr(97, 3);   // returns "aaa"

Encode string into a numeric representation

chr("A");    // returns 65
chr("AB");    // returns 16706

See also

expr/functions/func-chr.txt · Last modified: by andrej

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