davincievm_gpio_exp.h

来自「Uart source in CCS 3.3 C5507」· C头文件 代码 · 共 42 行

/*
 *  Copyright 2005 by Spectrum Digital Incorporated.
 *  All rights reserved. Property of Spectrum Digital Incorporated.
 *
 *  Not for distribution.
 */

/*
 *  GPIO Expander header file
 *
 */

#ifndef GPIO_EXP_
#define GPIO_EXP_

#ifdef __cplusplus
extern "C" {
#endif

#include "davincievm_i2c.h"

#define GPIO_EXP_GROUP0         0x38    // I2C Address
#define GPIO_EXP_GROUP1         0x39
#define GPIO_EXP_GROUP2         0x3A

/* ------------------------------------------------------------------------ *
 *                                                                          *
 *  GPIO Exp Prototypes                                                     *
 *                                                                          *
 * ------------------------------------------------------------------------ */
Int16 DAVINCIEVM_GPIO_EXP_init     ( );
Int16 DAVINCIEVM_GPIO_EXP_setOutput( Uint16 group_id, Uint16 number, Uint8 value );
Int16 DAVINCIEVM_GPIO_EXP_getInput ( Uint16 group_id, Uint16 number );
Int16 DAVINCIEVM_GPIO_EXP_getall   ( Uint16 group_id, Uint16 *pattern);
Int16 DAVINCIEVM_GPIO_EXP_setall   ( Uint16 group_id, Uint16 pattern);

#ifdef __cplusplus
}
#endif

#endif