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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [lwIP_MCF5235_GCC/] [include/] [arch/] [mcf523x/] [mcf523x_i2c.h] - Rev 583
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/* * These files are taken from the MCF523X source code example package * which is available on the Freescale website. Freescale explicitly * grants the redistribution and modification of these source files. * The complete licensing information is available in the file * LICENSE_FREESCALE.TXT. * * File: mcf523x_i2c.h * Purpose: Register and bit definitions for the MCF523X * * Notes: * */ #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__ */