Colony

/**

 * 

 * @file analog.h

 * @brief Contains functions and definitions for using the ADC

 * 

 * Contains definitions and function prototypes for using the

 * ADC to detect analog signals on pins AN0 - AN7.

 * AN6 and AN7 are used for the wheel and battery.

 * The pins labeled E6 and E7 are external interrupt pins and are not related 

 * to analog.

 * @author Colony Project, CMU Robotics Club, based on firefly

 * code by Tom Lauwers

*/

#ifndef _ANALOG_H

#define _ANALOG_H

/**

 * @addtogroup analog

 * @{

 **/

/** @brief Analog port 0 **/

#define AN0 0x00

/** @brief Analog port 1 **/

#define AN1 0x01

/** @brief Analog port 2 **/

#define AN2 0x02

/** @brief Analog port 3 **/

#define AN3 0x03

/** @brief Analog port 4 **/

#define AN4 0x04

/** @brief Analog port 5 **/

#define AN5 0x05

/** @brief Analog port 6 **/

#define AN6 0x06

/** @brief Analog port 7 **/

#define AN7 0x07

/** @brief Analog port 8 **/

#define AN8 0x08

/** @brief Analog port 9 **/

#define AN9 0x09

/** @brief Analog port 10 **/

#define AN10 0x0a

/** @brief Analog port 11 **/

#define AN11 0x0b

/** @brief Analog port 12 **/

#define AN12 0x0c

/** @brief Analog port 13 **/

#define AN13 0x0d

/** @brief Analog port 14 **/

#define AN14 0x0e

/** @brief Analog port 15 **/

#define AN15 0x0f

/** @brief EXT_MUX analog port **/

#define EXT_MUX AN7

/** @brief Analog port for the wheel **/

#define WHEEL_PORT AN10

/** @brief Analog port for the battery voltage detector **/

#define BATT_PORT  AN11

/** @brief Initialize analog ports. **/

void analog_init(void);

/** @brief Read an 8-bit number from an analog port. **/

unsigned int analog8(int which);

/** @brief Read a 10-bit number from an analog port. **/

unsigned int analog10(int which);

/** @brief Read the position of the wheel. **/

int wheel(void);

/**@}**/ //end group

#endif