Christian Benitez
/
Rosserial
Subscribe "cmd_vel"
Revision 0:d6f223f1ea8a, committed 2018-11-02
- Comitter:
- cpbenite
- Date:
- Fri Nov 02 23:53:38 2018 +0000
- Commit message:
- Hi Jesus;
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Fri Nov 02 23:53:38 2018 +0000 @@ -0,0 +1,4 @@ +.build +.mbed +projectfiles +*.py*
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Fri Nov 02 23:53:38 2018 +0000 @@ -0,0 +1,57 @@ +# Getting started with Blinky on mbed OS + +This guide reviews the steps required to get Blinky working on an mbed OS platform. + +Please install [mbed CLI](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli). + +## Import the example application + +From the command-line, import the example: + +``` +mbed import mbed-os-example-blinky +cd mbed-os-example-blinky +``` + +### Now compile + +Invoke `mbed compile`, and specify the name of your platform and your favorite toolchain (`GCC_ARM`, `ARM`, `IAR`). For example, for the ARM Compiler 5: + +``` +mbed compile -m K64F -t ARM +``` + +Your PC may take a few minutes to compile your code. At the end, you see the following result: + +``` +[snip] ++----------------------------+-------+-------+------+ +| Module | .text | .data | .bss | ++----------------------------+-------+-------+------+ +| Misc | 13939 | 24 | 1372 | +| core/hal | 16993 | 96 | 296 | +| core/rtos | 7384 | 92 | 4204 | +| features/FEATURE_IPV4 | 80 | 0 | 176 | +| frameworks/greentea-client | 1830 | 60 | 44 | +| frameworks/utest | 2392 | 512 | 292 | +| Subtotals | 42618 | 784 | 6384 | ++----------------------------+-------+-------+------+ +Allocated Heap: unknown +Allocated Stack: unknown +Total Static RAM memory (data + bss): 7168 bytes +Total RAM memory (data + bss + heap + stack): 7168 bytes +Total Flash memory (text + data + misc): 43402 bytes +Image: .\.build\K64F\ARM\mbed-os-example-blinky.bin +``` + +### Program your board + +1. Connect your mbed device to the computer over USB. +1. Copy the binary file to the mbed device. +1. Press the reset button to start the program. + +The LED on your platform turns on and off. + +## Troubleshooting + +If you have problems, you can review the [documentation](https://os.mbed.com/docs/latest/tutorials/debugging.html) for suggestions on what could be wrong and how to fix it.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Nov 02 23:53:38 2018 +0000 @@ -0,0 +1,35 @@ +#include "mbed.h" +#include <ros.h> +#include <geometry_msgs/Twist.h> + +// Initialize ROS Node & Twist Message +ros::NodeHandle nh; +geometry_msgs::Twist commandRead; + +ros::Publisher chatter("chatter", &commandRead); + +// Initialize Subscribe Callback Functions +void handlerFunction(const geometry_msgs::Twist& command){ + commandRead = command; +} +ros::Subscriber<geometry_msgs::Twist> sub("cmd_vel", &handlerFunction); + +int main() { + // Initalize Node and Subscribe to Topic "cmd_vel" + nh.initNode(); + nh.subscribe(sub); + //nh.advertise(chatter); + + //commandRead.linear.x = 6.9; + + while (1) { + // Jesus change line here + // commandRead = actual velocity numbers + // commandRead.linear.x = forward velocity + // commandRead.angular.z = turning velocity + chatter.publish(&commandRead); + nh.spinOnce(); + wait_ms(10); + } +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Fri Nov 02 23:53:38 2018 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#e1bea44212b8275f7d8ce7253e758c2e25c57482
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ros_lib_kinetic.lib Fri Nov 02 23:53:38 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/garyservin/code/ros_lib_kinetic/#a849bf78d77f