74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/* Very basic print functions, intended to be used with usb_debug_only.c
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* http://www.pjrc.com/teensy/
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* Copyright (c) 2008 PJRC.COM, LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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// Version 1.0: Initial Release
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include "print.h"
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void print_P(const char *s)
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{
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char c;
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while (1) {
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c = pgm_read_byte(s++);
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if (!c) break;
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if (c == '\n') usb_debug_putchar('\r');
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usb_debug_putchar(c);
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}
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}
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void phex1(unsigned char c)
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{
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usb_debug_putchar(c + ((c < 10) ? '0' : 'A' - 10));
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}
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void phex(unsigned char c)
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{
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phex1(c >> 4);
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phex1(c & 15);
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}
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void phex16(unsigned int i)
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{
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phex(i >> 8);
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phex(i);
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}
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void pbin(unsigned char c)
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{
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for (int i = 7; i >= 0; i--) {
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usb_debug_putchar((c & (1<<i)) ? '1' : '0');
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}
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}
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void pbin_reverse(unsigned char c)
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{
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for (int i = 0; i < 8; i++) {
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usb_debug_putchar((c & (1<<i)) ? '1' : '0');
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}
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}
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