update sdk to 1.5.7, fixed the motor default speed at 10 HZ.

CHANGELOG.rst

@@ -4,6 +4,13 @@ Changelog for package rplidar_ros
 
 Forthcoming
 -----------
+1.5.7 (2016-12-15)
+------------------
+* Release 1.5.7.
+* Update RPLIDAR SDK to 1.5.7
+* Fixed the motor default speed at 10 HZ. Extend the measurement of max_distance from 6m to 8m.
+* Contributors: kint
+
 1.5.5 (2016-08-23)
 ------------------
 * Release 1.5.5.

package.xml

@@ -1,10 +1,8 @@
 <?xml version="1.0"?>
 <package>
   <name>rplidar_ros</name>
-  <version>1.5.5</version>
-  <description>The rplidar ros package
-          support rplidar and rplidar A2
-  </description>
+  <version>1.5.7</version>
+  <description>The rplidar ros package, support rplidar A2/A1 </description>
 
   <maintainer email="[email protected]">Slamtec ROS Maintainer</maintainer>
   <license>BSD</license>

sdk/README.txt

@@ -29,6 +29,6 @@ This folder contains RPLIDAR SDK source code which is provided by RoboPeak.
 
 RoboPeak Website: http://www.robopeak.com
 SlamTec HomePage: http://www.slamtec.com
-RPLIDAR_SDK_VERSION:	1.5.5
+RPLIDAR_SDK_VERSION:	1.5.7
 Note: The SDK version may not up-to-date.
 rplidar product: http://www.slamtec.com/en/Lidar

sdk/include/rplidar.h

@@ -40,4 +40,4 @@
 
 #include "rplidar_driver.h"
 
-#define RPLIDAR_SDK_VERSION  "1.5.5"
+#define RPLIDAR_SDK_VERSION  "1.5.7"

sdk/include/rplidar_cmd.h

@@ -74,7 +74,7 @@ typedef struct _rplidar_payload_express_scan_t {
 } __attribute__((packed)) rplidar_payload_express_scan_t;
 
 #define MAX_MOTOR_PWM               1023
-#define DEFAULT_MOTOR_PWM           600
+#define DEFAULT_MOTOR_PWM           660
 typedef struct _rplidar_payload_motor_pwm_t {
     _u16 pwm_value;
 } __attribute__((packed)) rplidar_payload_motor_pwm_t;