Basic library for SRF08 telemeter. More...

This graph shows which files directly or indirectly include this file:

Macros
#define	SRF08_UNIT_0 0xE0 /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_1 0xE2 /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_2 0xE4 /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_3 0xE6 /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_4 0xE8 /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_5 0xEA /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_6 0xEC /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_7 0xEE /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_8 0xF0 /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_9 0xF2 /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_10 0xF4 /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_11 0xF6 /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_12 0xF8 /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_13 0xFA /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_14 0xFC /* the SRF08 MODULE I2C address */

#define	SRF08_UNIT_15 0xFE /* the SRF08 MODULE I2C address */

#define	SRF08_I2C_BROADCAST_ADDRESS 0X00

#define	SRF08_MIN_GAIN 0 /* sets gain to 94 */

#define	SRF08_MAX_GAIN 31 /* sets gain to 1025 */

#define	SRF08_MIN_RANGE 0 /* in millimeters */

#define	SRF08_MAX_RANGE 11008 /* in millimeters */

#define	SRF08_INCHES 0X50

#define	SRF08_CENTIMETERS 0X51

#define	SRF08_MICROSECONDS 0X52

#define	SRF08_COMMAND 0

#define	SRF08_SET_GAIN 1

#define	SRF08_LIGHT 1

#define	SRF08_ECHO_1 2

#define	SRF08_ECHO_2 4

#define	SRF08_ECHO_3 6

#define	SRF08_ECHO_4 8

#define	SRF08_ECHO_5 10

#define	SRF08_ECHO_6 12

#define	SRF08_ECHO_7 14

#define	SRF08_ECHO_8 16

#define	SRF08_ECHO_9 18

#define	SRF08_ECHO_10 20

#define	SRF08_ECHO_11 22

#define	SRF08_ECHO_12 24

#define	SRF08_ECHO_13 26

#define	SRF08_ECHO_14 28

#define	SRF08_ECHO_15 30

#define	SRF08_ECHO_16 32

#define	SRF08_ECHO_17 34

Functions
void	srf08_select_unit (uint8_t srf08_address)

void	srf08_init (void)

void	srf08_set_gain (uint8_t gain)

void	srf08_set_range (uint32_t millimeters)

void	srf08_ping (void)

uint32_t	srf08_read_register (uint8_t srf08_register)

void	srf08_change_i2c_address (uint8_t new_i2c_address)

void	srf08_initiate_ranging (void)

void	srf08_receive (void)
	Ask the value to the device. More...

void	srf08_read (void)
	Read values on the bus. More...

void	srf08_copy (void)
	Copy the I2C buffer. More...

void	srf08_event (void)

Variables
uint16_t	srf08_range

bool	srf08_received

bool	srf08_got

Detailed Description

Basic library for SRF08 telemeter.

Definition in file alt_srf08.h.

Macro Definition Documentation

◆ SRF08_CENTIMETERS

#define SRF08_CENTIMETERS 0X51

Definition at line 68 of file alt_srf08.h.

◆ SRF08_COMMAND

#define SRF08_COMMAND 0

Definition at line 72 of file alt_srf08.h.

◆ SRF08_ECHO_1

#define SRF08_ECHO_1 2

Definition at line 75 of file alt_srf08.h.

◆ SRF08_ECHO_10

#define SRF08_ECHO_10 20

Definition at line 84 of file alt_srf08.h.

◆ SRF08_ECHO_11

#define SRF08_ECHO_11 22

Definition at line 85 of file alt_srf08.h.

◆ SRF08_ECHO_12

#define SRF08_ECHO_12 24

Definition at line 86 of file alt_srf08.h.

◆ SRF08_ECHO_13

#define SRF08_ECHO_13 26

Definition at line 87 of file alt_srf08.h.

◆ SRF08_ECHO_14

#define SRF08_ECHO_14 28

Definition at line 88 of file alt_srf08.h.

◆ SRF08_ECHO_15

#define SRF08_ECHO_15 30

Definition at line 89 of file alt_srf08.h.

◆ SRF08_ECHO_16

#define SRF08_ECHO_16 32

Definition at line 90 of file alt_srf08.h.

◆ SRF08_ECHO_17

#define SRF08_ECHO_17 34

Definition at line 91 of file alt_srf08.h.

◆ SRF08_ECHO_2

#define SRF08_ECHO_2 4

Definition at line 76 of file alt_srf08.h.

◆ SRF08_ECHO_3

#define SRF08_ECHO_3 6

Definition at line 77 of file alt_srf08.h.

◆ SRF08_ECHO_4

#define SRF08_ECHO_4 8

Definition at line 78 of file alt_srf08.h.

◆ SRF08_ECHO_5

#define SRF08_ECHO_5 10

Definition at line 79 of file alt_srf08.h.

◆ SRF08_ECHO_6

#define SRF08_ECHO_6 12

Definition at line 80 of file alt_srf08.h.

◆ SRF08_ECHO_7

#define SRF08_ECHO_7 14

Definition at line 81 of file alt_srf08.h.

◆ SRF08_ECHO_8

#define SRF08_ECHO_8 16

Definition at line 82 of file alt_srf08.h.

◆ SRF08_ECHO_9

#define SRF08_ECHO_9 18

Definition at line 83 of file alt_srf08.h.

◆ SRF08_I2C_BROADCAST_ADDRESS

#define SRF08_I2C_BROADCAST_ADDRESS 0X00

Definition at line 60 of file alt_srf08.h.

◆ SRF08_INCHES

#define SRF08_INCHES 0X50

Definition at line 67 of file alt_srf08.h.

◆ SRF08_LIGHT

#define SRF08_LIGHT 1

Definition at line 74 of file alt_srf08.h.

◆ SRF08_MAX_GAIN

#define SRF08_MAX_GAIN 31 /* sets gain to 1025 */

Definition at line 63 of file alt_srf08.h.

◆ SRF08_MAX_RANGE

#define SRF08_MAX_RANGE 11008 /* in millimeters */

Definition at line 65 of file alt_srf08.h.

◆ SRF08_MICROSECONDS

#define SRF08_MICROSECONDS 0X52

Definition at line 69 of file alt_srf08.h.

◆ SRF08_MIN_GAIN

#define SRF08_MIN_GAIN 0 /* sets gain to 94 */

Definition at line 62 of file alt_srf08.h.

◆ SRF08_MIN_RANGE

#define SRF08_MIN_RANGE 0 /* in millimeters */

Definition at line 64 of file alt_srf08.h.

◆ SRF08_SET_GAIN

#define SRF08_SET_GAIN 1

Definition at line 73 of file alt_srf08.h.

◆ SRF08_UNIT_0

#define SRF08_UNIT_0 0xE0 /* the SRF08 MODULE I2C address */

Definition at line 39 of file alt_srf08.h.

◆ SRF08_UNIT_1

#define SRF08_UNIT_1 0xE2 /* the SRF08 MODULE I2C address */

Definition at line 40 of file alt_srf08.h.

◆ SRF08_UNIT_10

#define SRF08_UNIT_10 0xF4 /* the SRF08 MODULE I2C address */

Definition at line 49 of file alt_srf08.h.

◆ SRF08_UNIT_11

#define SRF08_UNIT_11 0xF6 /* the SRF08 MODULE I2C address */

Definition at line 50 of file alt_srf08.h.

◆ SRF08_UNIT_12

#define SRF08_UNIT_12 0xF8 /* the SRF08 MODULE I2C address */

Definition at line 51 of file alt_srf08.h.

◆ SRF08_UNIT_13

#define SRF08_UNIT_13 0xFA /* the SRF08 MODULE I2C address */

Definition at line 52 of file alt_srf08.h.

◆ SRF08_UNIT_14

#define SRF08_UNIT_14 0xFC /* the SRF08 MODULE I2C address */

Definition at line 53 of file alt_srf08.h.

◆ SRF08_UNIT_15

#define SRF08_UNIT_15 0xFE /* the SRF08 MODULE I2C address */

Definition at line 54 of file alt_srf08.h.

◆ SRF08_UNIT_2

#define SRF08_UNIT_2 0xE4 /* the SRF08 MODULE I2C address */

Definition at line 41 of file alt_srf08.h.

◆ SRF08_UNIT_3

#define SRF08_UNIT_3 0xE6 /* the SRF08 MODULE I2C address */

Definition at line 42 of file alt_srf08.h.

◆ SRF08_UNIT_4

#define SRF08_UNIT_4 0xE8 /* the SRF08 MODULE I2C address */

Definition at line 43 of file alt_srf08.h.

◆ SRF08_UNIT_5

#define SRF08_UNIT_5 0xEA /* the SRF08 MODULE I2C address */

Definition at line 44 of file alt_srf08.h.

◆ SRF08_UNIT_6

#define SRF08_UNIT_6 0xEC /* the SRF08 MODULE I2C address */

Definition at line 45 of file alt_srf08.h.

◆ SRF08_UNIT_7

#define SRF08_UNIT_7 0xEE /* the SRF08 MODULE I2C address */

Definition at line 46 of file alt_srf08.h.

◆ SRF08_UNIT_8

#define SRF08_UNIT_8 0xF0 /* the SRF08 MODULE I2C address */

Definition at line 47 of file alt_srf08.h.

◆ SRF08_UNIT_9

#define SRF08_UNIT_9 0xF2 /* the SRF08 MODULE I2C address */

Definition at line 48 of file alt_srf08.h.

Function Documentation

◆ srf08_change_i2c_address()

void srf08_change_i2c_address ( uint8_t new_i2c_address )

◆ srf08_copy()

void srf08_copy ( void )

Copy the I2C buffer.

Definition at line 93 of file alt_srf08.c.

References i2c_transaction::buf, srf08_range, and srf_trans.

Referenced by srf08_event().

Here is the caller graph for this function:

◆ srf08_event()

void srf08_event ( void )

Handling of data sent by the device (initiated by srf08_receive()

Definition at line 139 of file alt_srf08.c.

References DefaultChannel, DefaultDevice, f, I2CTransSuccess, srf08_copy(), srf08_got, srf08_range, srf08_read(), srf08_received, srf_trans, and i2c_transaction::status.

Here is the call graph for this function:

◆ srf08_init()

void srf08_init ( void )

Setting the gain to the minimun value (to avoid echos ?)

Definition at line 50 of file alt_srf08.c.

References i2c_transaction::buf, i2c_transmit(), srf08_got, SRF08_I2C_DEV, SRF08_MIN_GAIN, srf08_received, SRF08_SET_GAIN, SRF08_UNIT_0, and srf_trans.

Here is the call graph for this function:

◆ srf08_initiate_ranging()

void srf08_initiate_ranging ( void )

Definition at line 68 of file alt_srf08.c.

References i2c_transaction::buf, i2c_transmit(), LED_ON, SRF08_CENTIMETERS, SRF08_COMMAND, SRF08_I2C_DEV, SRF08_UNIT_0, and srf_trans.

Referenced by srf08_ping().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ srf08_ping()

void srf08_ping ( void )

Definition at line 98 of file alt_srf08.c.

References I2CTransSuccess, srf08_initiate_ranging(), srf08_receive(), srf_trans, and i2c_transaction::status.

Here is the call graph for this function:

◆ srf08_read()

void srf08_read ( void )

Read values on the bus.

Definition at line 86 of file alt_srf08.c.

References i2c_receive(), srf08_got, SRF08_I2C_DEV, SRF08_UNIT_0, and srf_trans.

Referenced by srf08_event().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ srf08_read_register()

uint32_t srf08_read_register ( uint8_t srf08_register )

Definition at line 107 of file alt_srf08.c.

References i2c_transaction::buf, i2c_transceive(), SRF08_I2C_DEV, SRF08_UNIT_0, and srf_trans.

Here is the call graph for this function:

◆ srf08_receive()

void srf08_receive ( void )

Ask the value to the device.

Definition at line 77 of file alt_srf08.c.

References i2c_transaction::buf, i2c_transmit(), LED_OFF, SRF08_ECHO_1, SRF08_I2C_DEV, srf08_received, SRF08_UNIT_0, and srf_trans.

Referenced by srf08_ping().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ srf08_select_unit()

void srf08_select_unit ( uint8_t srf08_address )

◆ srf08_set_gain()

void srf08_set_gain ( uint8_t gain )

◆ srf08_set_range()

void srf08_set_range ( uint32_t millimeters )

Variable Documentation

◆ srf08_got

bool srf08_got

Definition at line 110 of file alt_srf08.h.

◆ srf08_range

uint16_t srf08_range

extern

Definition at line 45 of file alt_srf08.c.

Referenced by srf08_copy(), and srf08_event().

◆ srf08_received

bool srf08_received

extern

Definition at line 43 of file alt_srf08.c.

Referenced by srf08_event(), srf08_init(), and srf08_receive().

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ SRF08_CENTIMETERS

◆ SRF08_COMMAND

◆ SRF08_ECHO_1

◆ SRF08_ECHO_10

◆ SRF08_ECHO_11

◆ SRF08_ECHO_12

◆ SRF08_ECHO_13

◆ SRF08_ECHO_14

◆ SRF08_ECHO_15

◆ SRF08_ECHO_16

◆ SRF08_ECHO_17

◆ SRF08_ECHO_2

◆ SRF08_ECHO_3

◆ SRF08_ECHO_4

◆ SRF08_ECHO_5

◆ SRF08_ECHO_6

◆ SRF08_ECHO_7

◆ SRF08_ECHO_8

◆ SRF08_ECHO_9

◆ SRF08_I2C_BROADCAST_ADDRESS

◆ SRF08_INCHES

◆ SRF08_LIGHT

◆ SRF08_MAX_GAIN

◆ SRF08_MAX_RANGE

◆ SRF08_MICROSECONDS

◆ SRF08_MIN_GAIN

◆ SRF08_MIN_RANGE

◆ SRF08_SET_GAIN

◆ SRF08_UNIT_0

◆ SRF08_UNIT_1

◆ SRF08_UNIT_10

◆ SRF08_UNIT_11

◆ SRF08_UNIT_12

◆ SRF08_UNIT_13

◆ SRF08_UNIT_14

◆ SRF08_UNIT_15

◆ SRF08_UNIT_2

◆ SRF08_UNIT_3

◆ SRF08_UNIT_4

◆ SRF08_UNIT_5

◆ SRF08_UNIT_6

◆ SRF08_UNIT_7

◆ SRF08_UNIT_8

◆ SRF08_UNIT_9

Function Documentation

◆ srf08_change_i2c_address()

◆ srf08_copy()

◆ srf08_event()

◆ srf08_init()

◆ srf08_initiate_ranging()

◆ srf08_ping()

◆ srf08_read()

◆ srf08_read_register()

◆ srf08_receive()

◆ srf08_select_unit()

◆ srf08_set_gain()

◆ srf08_set_range()

Variable Documentation

◆ srf08_got

◆ srf08_range

◆ srf08_received