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SRF08 driver, ranging function supports various modes.

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This commit is contained in:
Zakaria Kasmi 2013-09-03 17:48:47 +02:00 committed by Oleg Hahm
parent af48f588c9
commit 11b34f0f0b
2 changed files with 18 additions and 13 deletions
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23
drivers/include/srf08-ultrasonic-sensor.h
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@ -18,7 +18,7 @@
* @author Zakaria Kasmi <zkasmi@inf.fu-berlin.de>
* @version $Revision: 3857 $
*
* @note $Id: srf08-ultrasonic-sensor.h 3854 2013-09-03 14:06:23 kasmi $
* @note $Id: srf08-ultrasonic-sensor.h 3854 2013-09-03 16:26:13 kasmi $
*
*/
@ -62,15 +62,20 @@ bool srf08_init(uint8_t i2c_interface, uint32_t baud_rate);
* range-finder.
* The ranging results are given over the RS232-Interface.
*
* @param[in] ranging_mode there are three real ranging modes, which return
* the result in inches, centimeters or microseconds.
* Another set of three fake ranging modes do the same
* but without transmitting the burst.
*
*/
void srf08_start_ranging(void);
void srf08_start_ranging(uint8_t ranging_mode);
/**
* @brief Set the maximum range of the SRF08.
*
* @param[in] max_range the adjusted maximal range is:
* max_range = (max_rangex43mm) + 43mm.
* @param[in] max_range the adjusted maximal range is:
* max_range = (max_rangex43mm) + 43mm.
*
*/
void srf08_set_range(uint8_t max_range);
@ -104,11 +109,11 @@ uint8_t srf08_get_gain(void);
/**
* @brief Get all distances measured from the SRF08 ultrasonic
* sensor. The results of a ranging can be returned in inches,
* centimeters or microseconds. The SRF08 can detect up to
* targets. This function prints the distance values over
* the rs232 interface
* @brief Get all distances measured from the SRF08 ultrasonic sensor.
* The results of a ranging can be returned in inches, centimeters
* or microseconds. The SRF08 can detect up to targets.
* This function prints the distance values over the rs232
* interface
*
* @param[in] range_array a pointer to a buffer holding the ranging results.
* @param[in] ranging_mode there are three real ranging modes, which return

8
drivers/srf08/srf08-ultrasonic-sensor.c
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@ -4,7 +4,7 @@
*
* Copyright (C) 2013 Zakaria Kasmi <zkasmi@inf.fu-berlin.de>
*
* This source code is licensed under the LGPLv2 license,
* This source code is licensed under the LGPLv2 license,
* See the file LICENSE for more details.
*/
@ -17,7 +17,7 @@
* @author Zakaria Kasmi <zkasmi@inf.fu-berlin.de>
* @version $Revision: 3854 $
*
* @note $Id: srf08-ultrasonic-sensor.c 3857 2013-09-02 16:45:49 kasmi $
* @note $Id: srf08-ultrasonic-sensor.c 3857 2013-09-03 17:55:49 kasmi $
*
*/
@ -151,7 +151,7 @@ int32_t srf08_get_distances(uint32_t *range_array, uint8_t ranging_mode)
return echo_number;
}
void srf08_start_ranging(void)
void srf08_start_ranging(uint8_t ranging_mode)
{
uint32_t range_array[SRF08_MAX_ECHO_NUMBER];
uint8_t i;
@ -165,7 +165,7 @@ void srf08_start_ranging(void)
while (1) {
puts("--------------------------------------------");
echo_number = srf08_get_distances(range_array, SRF08_REAL_RANGING_MODE_CM);
echo_number = srf08_get_distances(range_array, ranging_mode);
if (echo_number > 0) {
for (i = 0; i < echo_number; i++) {