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/****************************************************************************
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 Title  :   C  include file for the SRF08 FUNCTIONS library (srf08.h)
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 Author:    Chris efstathiou hendrix@otenet.gr
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 Date:      13/Jul/2002
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 Software:  AVR-GCC with AVR-AS
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 Target:    any AVR device
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 Comments:  This software is FREE.
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*****************************************************************************/
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#ifndef SRF08_H
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#define SRF08_H     1
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/*##############################################################################################*/
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/*                             START OF CONFIGURATION BLOCK                                     */
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/*##############################################################################################*/
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/* Normally you shouldn't need to change anything */
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#define SRF08_UNIT_0   0xE0  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_1   0xE2  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_2   0xE4  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_3   0xE6  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_4   0xE8  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_5   0xEA  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_6   0xEC  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_7   0xEE  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_8   0xF0  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_9   0xF2  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_10  0xF4  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_11  0xF6  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_12  0xF8  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_13  0xFA  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_14  0xFC  /* the SRF08 MODULE I2C address */
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#define SRF08_UNIT_15  0xFE  /* the SRF08 MODULE I2C address */
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/*##############################################################################################*/
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/*                              END OF CONFIGURATION BLOCK                                      */
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/*##############################################################################################*/
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#define SRF08_I2C_BROADCAST_ADDRESS   0X00
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#define SRF08_MIN_GAIN        0      /* sets gain to 94   */
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#define SRF08_MAX_GAIN        31     /* sets gain to 1025 */
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#define SRF08_MIN_RANGE       0      /* in millimeters    */
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#define SRF08_MAX_RANGE       11008  /* in millimeters    */
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#define SRF08_INCHES          0X50
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#define SRF08_CENTIMETERS     0X51
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#define SRF08_MICROSECONDS    0X52
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/* register positions */
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#define SRF08_COMMAND         0
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#define SRF08_LIGHT           1
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#define SRF08_ECHO_1          2
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#define SRF08_ECHO_2          4
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#define SRF08_ECHO_3          6
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#define SRF08_ECHO_4          8
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#define SRF08_ECHO_5          10
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#define SRF08_ECHO_6          12
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#define SRF08_ECHO_7          14
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#define SRF08_ECHO_8          16
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#define SRF08_ECHO_9          18
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#define SRF08_ECHO_10         20
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#define SRF08_ECHO_11         22
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#define SRF08_ECHO_12         24
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#define SRF08_ECHO_13         26
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#define SRF08_ECHO_14         28
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#define SRF08_ECHO_15         30
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#define SRF08_ECHO_16         32
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#define SRF08_ECHO_17         34
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/* Function Declaration */
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extern void          srf08_select_unit(unsigned char srf08_address);
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extern void          srf08_init(void);
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extern void          srf08_set_gain(unsigned char gain);
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extern void          srf08_set_range(unsigned int millimeters);
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extern unsigned int  srf08_ping(unsigned char metric_unit);
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extern unsigned int  srf08_read_register(unsigned char srf08_register);
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extern void          srf08_change_i2c_address(unsigned char new_i2c_address);
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#endif  /* #ifndef SRF08_H */
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/*######################################################################################################*/
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/*                                         T H E   E N D                                                */
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/*######################################################################################################*/
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