# raven.h File Reference

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## Functions
void | led_on ()
void | led_off ()
void | print_msg (const char *buf, int len)
void | sample_temp ()
void | print_num (int num)

## Detailed Description

## Function Documentation

void led_off | ( |  | ) |

Send a uart cmd_msg to turn off the LCD's led.

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void led_on | ( |  | ) |

Send a uart cmd_msg to turn on the LCD's led.

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void print_msg | ( | const char * | buf,
|  | int | len |
| ) |  |  |

Display the string on the LCD's display.

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void print_num | ( | int | num | ) |

Display a number on the LCD's display.

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void sample_temp | ( |  | ) |

Send a uart cmd_msg to sample temperature using Raven's on-board temperature sensor. The temperature value will be shown on the LCD.

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