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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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