> For the complete documentation index, see [llms.txt](https://theiotlearninginitiative.gitbook.io/texas-instruments-launchpad-development-kits/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://theiotlearninginitiative.gitbook.io/texas-instruments-launchpad-development-kits/msp-exp430f5529lp/helloworld.md).

# HelloWorld

## HelloWorld

## CCS Cloud

* CCS Cloud
  * Project Name: LaunchPad w/msp430f5529 (25 MHz)
  * Device: MSP430
  *

## Code Composer Studio

* Code Composer Studio
  * Target: MSP430x5xx Family  MSP430F5529
  * Connnection: TI MSP430 USB1 \[Default]
  * Project Name: HelloWorld

```c
//***************************************************************************************
//  MSP430 Blink the LED Demo - Software Toggle P1.0
//
//  Description; Toggle P1.0 by xor'ing P1.0 inside of a software loop.
//  ACLK = n/a, MCLK = SMCLK = default DCO
//
//                MSP430x5xx
//             -----------------
//         /|\|              XIN|-
//          | |                 |
//          --|RST          XOUT|-
//            |                 |
//            |             P1.0|-->LED
//
//  J. Stevenson
//  Texas Instruments, Inc
//  July 2011
//  Built with Code Composer Studio v5
//***************************************************************************************

#include <msp430.h>                

int main(void) {
    WDTCTL = WDTPW | WDTHOLD;        // Stop watchdog timer
    P1DIR |= 0x01;                    // Set P1.0 to output direction

    for(;;) {
        volatile unsigned int i;    // volatile to prevent optimization

        P1OUT ^= 0x01;                // Toggle P1.0 using exclusive-OR

        i = 10000;                    // SW Delay
        do i--;
        while(i != 0);
    }

    return 0;
}
```