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/****************************************************************************
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/****************************************************************************
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 *   Copyright (C) 2009 by Claas Anders "CaScAdE" Rathje                    *
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 *   Copyright (C) 2009-2010 by Claas Anders "CaScAdE" Rathje               *
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 *   admiralcascade@gmail.com                                               *
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 *   admiralcascade@gmail.com                                               *
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 *   Project-URL: http://www.mylifesucks.de/oss/c-osd/                      *
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 *   Project-URL: http://www.mylifesucks.de/oss/c-osd/                      *
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 *                                                                          *
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 *                                                                          *
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 *   This program is free software; you can redistribute it and/or modify   *
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 *   This program is free software; you can redistribute it and/or modify   *
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 *   it under the terms of the GNU General Public License as published by   *
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 *   it under the terms of the GNU General Public License as published by   *
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 *   the Free Software Foundation; either version 2 of the License.         *
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 *   the Free Software Foundation; either version 2 of the License.         *
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 *                                                                          *
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 *                                                                          *
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 *   This program is distributed in the hope that it will be useful,        *
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 *   This program is distributed in the hope that it will be useful,        *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of         *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of         *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
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 *   GNU General Public License for more details.                           *
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 *   GNU General Public License for more details.                           *
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 *                                                                          *
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 *                                                                          *
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 *   You should have received a copy of the GNU General Public License      *
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 *   You should have received a copy of the GNU General Public License      *
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 *   along with this program; if not, write to the                          *
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 *   along with this program; if not, write to the                          *
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 *   Free Software Foundation, Inc.,                                        *
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 *   Free Software Foundation, Inc.,                                        *
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 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.              *
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 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.              *
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 ****************************************************************************/
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 ****************************************************************************/
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/* ##########################################################################
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/* ##########################################################################
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 * Software SPI to communicate with MAX7456
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 * Software SPI to communicate with MAX7456
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 * ##########################################################################*/
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 * ##########################################################################*/
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#define MAX_CS_HIGH             PORTA |=  (1 << PA1);
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#define MAX_CS_HIGH             PORTA |=  (1 << PA1);
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#define MAX_CS_LOW              PORTA &= ~(1 << PA1);
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#define MAX_CS_LOW              PORTA &= ~(1 << PA1);
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#define MAX_SDIN_HIGH           PORTA |=  (1 << PA2);
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#define MAX_SDIN_HIGH           PORTA |=  (1 << PA2);
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#define MAX_SDIN_LOW            PORTA &= ~(1 << PA2);
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#define MAX_SDIN_LOW            PORTA &= ~(1 << PA2);
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#define MAX_SCLK_HIGH           PORTA |=  (1 << PA3);
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#define MAX_SCLK_HIGH           PORTA |=  (1 << PA3);
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#define MAX_SCLK_LOW            PORTA &= ~(1 << PA3);
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#define MAX_SCLK_LOW            PORTA &= ~(1 << PA3);
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#define MAX_RESET_HIGH          PORTA |=  (1 << PA5);
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#define MAX_RESET_HIGH          PORTA |=  (1 << PA5);
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#define MAX_RESET_LOW           PORTA &= ~(1 << PA5);
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#define MAX_RESET_LOW           PORTA &= ~(1 << PA5);
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/* ##########################################################################
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/* ##########################################################################
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 * MAX7456 SPI & Display stuff
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 * MAX7456 SPI & Display stuff
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 * ##########################################################################*/
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 * ##########################################################################*/
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/**
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/**
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 * Send a byte through SPI
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 * Send a byte through SPI
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 */
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 */
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void spi_send(uint8_t);
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void spi_send(uint8_t);
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/**
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/**
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 *  Send <byte> to <address> of MAX7456
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 *  Send <byte> to <address> of MAX7456
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 */
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 */
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void spi_send_byte(uint8_t, uint8_t);
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void spi_send_byte(uint8_t, uint8_t);
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/**
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/**
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 *  write a <character> to <address> of MAX7456 display memory
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 *  write a <character> to <address> of MAX7456 display memory
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 */
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 */
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void write_char(uint16_t, char);
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void write_char(uint16_t, char);
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/**
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/**
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 *  write a character <attribute> to <address> of MAX7456 display memory
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 *  write a character <attribute> to <address> of MAX7456 display memory
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 */
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 */
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void write_char_att(uint16_t, char);
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void write_char_att(uint16_t, char);
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/**
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/**
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 *  write a <character> at <x>/<y> to MAX7456 display memory
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 *  write a <character> at <x>/<y> to MAX7456 display memory
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 */
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 */
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void write_char_xy(uint8_t, uint8_t, char);
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void write_char_xy(uint8_t, uint8_t, char);
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/**
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/**
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 *  write a  character <attribute> at <x>/<y> to MAX7456 display memory
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 *  write a  character <attribute> at <x>/<y> to MAX7456 display memory
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 */
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 */
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void write_char_att_xy(uint8_t, uint8_t, char attribute);
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void write_char_att_xy(uint8_t, uint8_t, char attribute);
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/**
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/**
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 *  clear display memory
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 *  clear display memory
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 *  (also sets 8bit mode)
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 *  (also sets 8bit mode)
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 */
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 */
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void clear(void);
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void clear(void);
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/**
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/**
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 *  write an ascii <character> to <address> of MAX7456 display memory
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 *  write an ascii <character> to <address> of MAX7456 display memory
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 */
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 */
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void write_ascii_char(uint16_t, char);
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void write_ascii_char(uint16_t, char);
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/**
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/**
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 *  write an ascii <string> at <x>/<y> to MAX7456 display memory
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 *  write an ascii <string> at <x>/<y> to MAX7456 display memory
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 */
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 */
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void write_ascii_string(uint8_t, uint8_t, char*);
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void write_ascii_string(uint8_t, uint8_t, char*);
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/**
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/**
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 *  write an ascii <string> from progmen at <x>/<y> to MAX7456 display memory
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 *  write an ascii <string> from progmen at <x>/<y> to MAX7456 display memory
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 */
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 */
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void write_ascii_string_pgm(uint8_t, uint8_t, const char*);
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void write_ascii_string_pgm(uint8_t, uint8_t, const char*);
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/**
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/**
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 *  write an <string> from progmen at <x>/<y> downwards to MAX7456 display memory
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 *  write an <string> from progmen at <x>/<y> downwards to MAX7456 display memory
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 */
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 */
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void write_string_pgm_down(uint8_t, uint8_t, const char*, uint8_t);
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void write_string_pgm_down(uint8_t, uint8_t, const char*, uint8_t);
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/**
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/**
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 * Write a unsigned <number> at <x>/<y> to MAX7456 display memory
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 * Write a unsigned <number> at <x>/<y> to MAX7456 display memory
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 * <length> represents the length to rightbound the number
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 * <length> represents the length to rightbound the number
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 * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of   7
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 * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of   7
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 */
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 */
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void write_ndigit_number_u(uint8_t, uint8_t, uint16_t, int16_t, uint8_t);
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void write_ndigit_number_u(uint8_t, uint8_t, uint16_t, int16_t, uint8_t);
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/**
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/**
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 * Write a signed <number> at <x>/<y> to MAX7456 display memory
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 * Write a signed <number> at <x>/<y> to MAX7456 display memory
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 * <length> represents the length to rightbound the number
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 * <length> represents the length to rightbound the number
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 * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of   7
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 * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of   7
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 */
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 */
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void write_ndigit_number_s(uint8_t, uint8_t, int16_t, int16_t, uint8_t);
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void write_ndigit_number_s(uint8_t, uint8_t, int16_t, int16_t, uint8_t);
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/**
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/**
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 * Write a unsigned <number> at <x>/<y> to MAX7456 display memory as /10th of value
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 * Write a unsigned <number> at <x>/<y> to MAX7456 display memory as /10th of value
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 * <length> represents the length to rightbound the number
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 * <length> represents the length to rightbound the number
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 * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of   7
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 * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of   7
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 */
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 */
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void write_ndigit_number_u_10th(uint8_t, uint8_t, uint16_t, int16_t, uint8_t);
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void write_ndigit_number_u_10th(uint8_t, uint8_t, uint16_t, int16_t, uint8_t);
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/**
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/**
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 * Write a signed <number> at <x>/<y> to MAX7456 display memory as /10th of value
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 * Write a signed <number> at <x>/<y> to MAX7456 display memory as /10th of value
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 * <length> represents the length to rightbound the number
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 * <length> represents the length to rightbound the number
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 * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of   7
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 * <pad> = 1 will cause blank spaced to be filled up with zeros e.g. 007 instead of   7
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 */
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 */
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void write_ndigit_number_s_10th(uint8_t, uint8_t, int16_t, int16_t, uint8_t);
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void write_ndigit_number_s_10th(uint8_t, uint8_t, int16_t, int16_t, uint8_t);
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/**
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/**
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 *  write <seconds> as human readable time at <x>/<y> to MAX7456 display mem
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 *  write <seconds> as human readable time at <x>/<y> to MAX7456 display mem
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 */
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 */
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void write_time(uint8_t, uint8_t, uint16_t);
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void write_time(uint8_t, uint8_t, uint16_t);
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/**
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/**
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 * for testing write all chars to screen
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 * for testing write all chars to screen
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 */
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 */
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void write_all_chars();
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void write_all_chars();
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/**
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/**
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 * let the MAX7456 learn a new character at <number>
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 * let the MAX7456 learn a new character at <number>
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 * with <data>.
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 * with <data>.
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 */
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 */
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void learn_char(uint8_t, unsigned char*);
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void learn_char(uint8_t, unsigned char*);
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/**
136
/**
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 * wirte a <position> at <x>/<y> assuming it is a gps position for long-/latitude
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 * wirte a <position> at <x>/<y> assuming it is a gps position for long-/latitude
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 */
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 */
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void write_gps_pos(uint8_t, uint8_t, int32_t);
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void write_gps_pos(uint8_t, uint8_t, int32_t);
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