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📄 mcf523x_i2c.h

📁 freemodbus-v019.zip 是v0.19版本的代码
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/************************************************************************************ * Copyright @ 1995-2005 metrowerks inc. All rights reserved.                       * *                                                                                  * *                                                                                  * *    $RCSfile: mcf523x_i2c.h,v $                                                            * *    $Revision: 1.1 $                                                              * *    $Date: 2006/05/14 21:59:16 $                                                  * *                                                                                  * * DESCRIPTION                                                                      * *   Register and bit definitions for the MCF523X.                                  * *                                                                                  * *                                                                                  * *                                                                                  * * NOTE                                                                             * *                                                                                  * *                                                                                  * *                                                                                  * * HISTORY                                                                          * *                                                                                  *	 ************************************************************************************/#ifndef __MCF523X_I2C_H__#define __MCF523X_I2C_H__/*********************************************************************** I2C Module (I2C)**********************************************************************//* Register read/write macros */#define MCF_I2C_I2AR     (*(vuint8 *)(void*)(&__IPSBAR[0x000300]))#define MCF_I2C_I2FDR    (*(vuint8 *)(void*)(&__IPSBAR[0x000304]))#define MCF_I2C_I2CR     (*(vuint8 *)(void*)(&__IPSBAR[0x000308]))#define MCF_I2C_I2SR     (*(vuint8 *)(void*)(&__IPSBAR[0x00030C]))#define MCF_I2C_I2DR     (*(vuint8 *)(void*)(&__IPSBAR[0x000310]))#define MCF_I2C_I2ICR    (*(vuint8 *)(void*)(&__IPSBAR[0x000320]))/* Bit definitions and macros for MCF_I2C_I2AR */#define MCF_I2C_I2AR_ADR(x)    (((x)&0x7F)<<1)/* Bit definitions and macros for MCF_I2C_I2FDR */#define MCF_I2C_I2FDR_IC(x)    (((x)&0x3F)<<0)/* Bit definitions and macros for MCF_I2C_I2CR */#define MCF_I2C_I2CR_RSTA      (0x04)#define MCF_I2C_I2CR_TXAK      (0x08)#define MCF_I2C_I2CR_MTX       (0x10)#define MCF_I2C_I2CR_MSTA      (0x20)#define MCF_I2C_I2CR_IIEN      (0x40)#define MCF_I2C_I2CR_IEN       (0x80)/* Bit definitions and macros for MCF_I2C_I2SR */#define MCF_I2C_I2SR_RXAK      (0x01)#define MCF_I2C_I2SR_IIF       (0x02)#define MCF_I2C_I2SR_SRW       (0x04)#define MCF_I2C_I2SR_IAL       (0x10)#define MCF_I2C_I2SR_IBB       (0x20)#define MCF_I2C_I2SR_IAAS      (0x40)#define MCF_I2C_I2SR_ICF       (0x80)/* Bit definitions and macros for MCF_I2C_I2ICR */#define MCF_I2C_I2ICR_IE       (0x01)#define MCF_I2C_I2ICR_RE       (0x02)#define MCF_I2C_I2ICR_TE       (0x04)#define MCF_I2C_I2ICR_BNBE     (0x08)/********************************************************************/#endif /* __MCF523X_I2C_H__ */

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