Difference between revisions of "IoTGateway/BSP/Linux/AM335x/C/C++ Development"
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__TOC__ | __TOC__ | ||
| + | |||
| + | = Development of C/C++ Programs = | ||
| + | This section will guide you how to write a sample application “Hello World”. You can refer to following steps: | ||
| + | * Open "Terminal" on Ubuntu host PC, and Change to “root”: | ||
| + | <pre> | ||
| + | $ sudo su | ||
| + | </pre> | ||
| + | Type user password. | ||
| + | * Create the develop environment using flowing command: | ||
| + | <pre> | ||
| + | # source /usr/local/cross_compiler/linux-devkit/environment-setup | ||
| + | # cd /root/AM57XX_LBBxxxx_yyyy_mm_dd/source | ||
| + | # mkdir helloworld | ||
| + | # cd helloworld | ||
| + | # gedit hellowrold.c | ||
| + | </pre> | ||
| + | |||
| + | * Edit the helloworld.c with the following source code: | ||
| + | <pre> | ||
| + | #include <stdio.h> | ||
| + | void main() | ||
| + | { | ||
| + | printf("Hello World!\n"); | ||
| + | } | ||
| + | </pre> | ||
| + | Save the file and exit. | ||
| + | |||
| + | * Compile helloworld.c using flowing command: | ||
| + | <pre> | ||
| + | # $CC -o helloworld helloworld.c | ||
| + | </pre> | ||
| + | Then you can see a binary file named “helloworld” in current directory if no error. | ||
| + | * Run the executable file helloworld on the your target board(such as RSB-4220). | ||
| + | Insert the Linux system SD card to your developing computer. | ||
| + | <pre> | ||
| + | # cp helloworld /media/rootfs/tool | ||
| + | </pre> | ||
| + | Remove this SD card and insert it to your target board, then open serial console. | ||
| + | On your target platform, type: | ||
| + | <pre> | ||
| + | # root (Login) | ||
| + | # cd /tool | ||
| + | # ./helloworld | ||
| + | Hello World! | ||
| + | </pre> | ||
| + | Now you should be able to see “Hello World!” shown on console. | ||
Latest revision as of 09:48, 28 September 2016
Contents
Development of C/C++ Programs
This section will guide you how to write a sample application “Hello World”. You can refer to following steps:
- Open "Terminal" on Ubuntu host PC, and Change to “root”:
$ sudo su
Type user password.
- Create the develop environment using flowing command:
# source /usr/local/cross_compiler/linux-devkit/environment-setup # cd /root/AM57XX_LBBxxxx_yyyy_mm_dd/source # mkdir helloworld # cd helloworld # gedit hellowrold.c
- Edit the helloworld.c with the following source code:
#include <stdio.h>
void main()
{
printf("Hello World!\n");
}
Save the file and exit.
- Compile helloworld.c using flowing command:
# $CC -o helloworld helloworld.c
Then you can see a binary file named “helloworld” in current directory if no error.
- Run the executable file helloworld on the your target board(such as RSB-4220).
Insert the Linux system SD card to your developing computer.
# cp helloworld /media/rootfs/tool
Remove this SD card and insert it to your target board, then open serial console. On your target platform, type:
# root (Login) # cd /tool # ./helloworld Hello World!
Now you should be able to see “Hello World!” shown on console.