common/print.c

   1 /* Copyright 2012,2013 Jun Wako <wakojun@gmail.com> */
   2 /* Very basic print functions, intended to be used with usb_debug_only.c
   3  * http://www.pjrc.com/teensy/
   4  * Copyright (c) 2008 PJRC.COM, LLC
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 #include <avr/io.h>
  26 #include <avr/pgmspace.h>
  27 #include "print.h"
  28
  29
  30 #ifndef NO_PRINT
  31
  32 #define sendchar(c)    xputc(c)
  33
  34
  35 void print_set_sendchar(int8_t (*sendchar_func)(uint8_t))
  36 {
  37     xdev_out(sendchar_func);
  38 }
  39
  40 void print_S(const char *s)
  41 {
  42     uint8_t c;
  43     while (1) {
  44         c = *s++;
  45         if (!c) break;
  46         if (c == '\n') sendchar('\r');
  47         sendchar(c);
  48     }
  49 }
  50
  51 void print_lf(void)
  52 {
  53     sendchar('\n');
  54 }
  55
  56 void print_crlf(void)
  57 {
  58     sendchar('\r');
  59     sendchar('\n');
  60 }
  61
  62 #endif