Displays distance to start location on OLED screen.

Dependencies:   mbed

Committer:
iforce2d
Date:
Wed Mar 07 12:49:14 2018 +0000
Revision:
0:972874f31c98
First commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
iforce2d 0:972874f31c98 1 /*
iforce2d 0:972874f31c98 2
iforce2d 0:972874f31c98 3 u8g_com_arduino_common.c
iforce2d 0:972874f31c98 4
iforce2d 0:972874f31c98 5 shared procedures for the arduino communication procedures
iforce2d 0:972874f31c98 6
iforce2d 0:972874f31c98 7 Universal 8bit Graphics Library
iforce2d 0:972874f31c98 8
iforce2d 0:972874f31c98 9 Copyright (c) 2011, olikraus@gmail.com
iforce2d 0:972874f31c98 10 All rights reserved.
iforce2d 0:972874f31c98 11
iforce2d 0:972874f31c98 12 Redistribution and use in source and binary forms, with or without modification,
iforce2d 0:972874f31c98 13 are permitted provided that the following conditions are met:
iforce2d 0:972874f31c98 14
iforce2d 0:972874f31c98 15 * Redistributions of source code must retain the above copyright notice, this list
iforce2d 0:972874f31c98 16 of conditions and the following disclaimer.
iforce2d 0:972874f31c98 17
iforce2d 0:972874f31c98 18 * Redistributions in binary form must reproduce the above copyright notice, this
iforce2d 0:972874f31c98 19 list of conditions and the following disclaimer in the documentation and/or other
iforce2d 0:972874f31c98 20 materials provided with the distribution.
iforce2d 0:972874f31c98 21
iforce2d 0:972874f31c98 22 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
iforce2d 0:972874f31c98 23 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
iforce2d 0:972874f31c98 24 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
iforce2d 0:972874f31c98 25 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
iforce2d 0:972874f31c98 26 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
iforce2d 0:972874f31c98 27 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
iforce2d 0:972874f31c98 28 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
iforce2d 0:972874f31c98 29 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
iforce2d 0:972874f31c98 30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
iforce2d 0:972874f31c98 31 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
iforce2d 0:972874f31c98 32 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
iforce2d 0:972874f31c98 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
iforce2d 0:972874f31c98 34 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
iforce2d 0:972874f31c98 35
iforce2d 0:972874f31c98 36
iforce2d 0:972874f31c98 37 */
iforce2d 0:972874f31c98 38
iforce2d 0:972874f31c98 39 #include "u8g.h"
iforce2d 0:972874f31c98 40
iforce2d 0:972874f31c98 41 #if defined(ARDUINO)
iforce2d 0:972874f31c98 42
iforce2d 0:972874f31c98 43 #if ARDUINO < 100
iforce2d 0:972874f31c98 44 #include <WProgram.h>
iforce2d 0:972874f31c98 45 #else
iforce2d 0:972874f31c98 46 #include <Arduino.h>
iforce2d 0:972874f31c98 47 #endif
iforce2d 0:972874f31c98 48
iforce2d 0:972874f31c98 49 void u8g_com_arduino_digital_write(u8g_t *u8g, uint8_t pin_index, uint8_t value)
iforce2d 0:972874f31c98 50 {
iforce2d 0:972874f31c98 51 uint8_t pin;
iforce2d 0:972874f31c98 52 pin = u8g->pin_list[pin_index];
iforce2d 0:972874f31c98 53 if ( pin != U8G_PIN_NONE )
iforce2d 0:972874f31c98 54 digitalWrite(pin, value);
iforce2d 0:972874f31c98 55 }
iforce2d 0:972874f31c98 56
iforce2d 0:972874f31c98 57 /* this procedure does not set the RW pin */
iforce2d 0:972874f31c98 58 void u8g_com_arduino_assign_pin_output_high(u8g_t *u8g)
iforce2d 0:972874f31c98 59 {
iforce2d 0:972874f31c98 60 uint8_t i;
iforce2d 0:972874f31c98 61 /* skip the RW pin, which is the last pin in the list */
iforce2d 0:972874f31c98 62 for( i = 0; i < U8G_PIN_LIST_LEN-1; i++ )
iforce2d 0:972874f31c98 63 {
iforce2d 0:972874f31c98 64 if ( u8g->pin_list[i] != U8G_PIN_NONE )
iforce2d 0:972874f31c98 65 {
iforce2d 0:972874f31c98 66 pinMode(u8g->pin_list[i], OUTPUT);
iforce2d 0:972874f31c98 67 digitalWrite(u8g->pin_list[i], HIGH);
iforce2d 0:972874f31c98 68 }
iforce2d 0:972874f31c98 69 }
iforce2d 0:972874f31c98 70 }
iforce2d 0:972874f31c98 71
iforce2d 0:972874f31c98 72
iforce2d 0:972874f31c98 73 #endif
iforce2d 0:972874f31c98 74
iforce2d 0:972874f31c98 75
iforce2d 0:972874f31c98 76