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76 lines
2.2 KiB
76 lines
2.2 KiB
/*
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u8g_com_arduino_common.c
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shared procedures for the arduino communication procedures
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Universal 8bit Graphics Library
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Copyright (c) 2011, olikraus@gmail.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "u8g.h"
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#if defined(ARDUINO)
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#if ARDUINO < 100
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#include <WProgram.h>
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#else
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#include <Arduino.h>
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#endif
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void u8g_com_arduino_digital_write(u8g_t *u8g, uint8_t pin_index, uint8_t value)
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{
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uint8_t pin;
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pin = u8g->pin_list[pin_index];
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if ( pin != U8G_PIN_NONE )
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digitalWrite(pin, value);
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}
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/* this procedure does not set the RW pin */
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void u8g_com_arduino_assign_pin_output_high(u8g_t *u8g)
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{
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uint8_t i;
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/* skip the RW pin, which is the last pin in the list */
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for( i = 0; i < U8G_PIN_LIST_LEN-1; i++ )
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{
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if ( u8g->pin_list[i] != U8G_PIN_NONE )
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{
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pinMode(u8g->pin_list[i], OUTPUT);
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digitalWrite(u8g->pin_list[i], HIGH);
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}
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}
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}
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#endif
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