Cannot add function in main.c

[10Hsin]

Hi, I would like to ask that, whenever I put my function in main.c, the borad become undiscoverable.

I'm using nRF51 with ble_app_uart_s110_pca10028, and below are my function and main

[caram5555]

Hi 10Hsin.

You too seriously transmitting data.

[10Hsin]

Hi caram5555, cause I'm just a beginner, so I just follow the example, is there any better way to transmit data using UART?