evm5509_keypad.h

来自「dsp 5509a MMC 卡 ID号读取 12Mhzx16=192M」· C头文件 代码 · 共 38 行

/*
 *  Copyright 2004 by Spectrum Digital Incorporated.
 *  All rights reserved. Property of Spectrum Digital Incorporated.
 */
 
/*
 *  ======== evm5509_keypad.h ========
 *
 *  Keypad interface module on the 5509 EVM
 */
#ifndef EVM5509_KEYPAD_
#define EVM5509_KEYPAD_

#ifdef __cplusplus
extern "C" {
#endif

#include <csl.h>

/* Keypad defines */
#define EVM5509_KEYPAD_I2CADDR        0x48

/* Initialize the keypad module */
void EVM5509_KEYPAD_init();

/* Read the value of a potentiometer */
Uint16 EVM5509_KEYPAD_readPot(Int16 potnum);

/* Read the value of a key switch */
Uint16 EVM5509_KEYPAD_readKey();

#ifdef __cplusplus
}
#endif

#endif