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55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/* Coldfire C Header File
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* Copyright Freescale Semiconductor Inc
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* All rights reserved.
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*
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* 2007/03/19 Revision: 0.91
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*/
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#ifndef __MCF52235_I2C_H__
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#define __MCF52235_I2C_H__
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/*********************************************************************
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*
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* I2C Module (I2C)
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*
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*********************************************************************/
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/* Register read/write macros */
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#define MCF_I2C_I2ADR (*(vuint8 *)(&__IPSBAR[0x300]))
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#define MCF_I2C_I2FDR (*(vuint8 *)(&__IPSBAR[0x304]))
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#define MCF_I2C_I2CR (*(vuint8 *)(&__IPSBAR[0x308]))
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#define MCF_I2C_I2SR (*(vuint8 *)(&__IPSBAR[0x30C]))
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#define MCF_I2C_I2DR (*(vuint8 *)(&__IPSBAR[0x310]))
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/* Bit definitions and macros for MCF_I2C_I2ADR */
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#define MCF_I2C_I2ADR_ADR(x) (((x)&0x7F)<<0x1)
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/* Bit definitions and macros for MCF_I2C_I2FDR */
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#define MCF_I2C_I2FDR_IC(x) (((x)&0x3F)<<0)
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/* Bit definitions and macros for MCF_I2C_I2CR */
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#define MCF_I2C_I2CR_RSTA (0x4)
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#define MCF_I2C_I2CR_TXAK (0x8)
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#define MCF_I2C_I2CR_MTX (0x10)
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#define MCF_I2C_I2CR_MSTA (0x20)
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#define MCF_I2C_I2CR_IIEN (0x40)
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#define MCF_I2C_I2CR_IEN (0x80)
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/* Bit definitions and macros for MCF_I2C_I2SR */
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#define MCF_I2C_I2SR_RXAK (0x1)
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#define MCF_I2C_I2SR_IIF (0x2)
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#define MCF_I2C_I2SR_SRW (0x4)
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#define MCF_I2C_I2SR_IAL (0x10)
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#define MCF_I2C_I2SR_IBB (0x20)
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#define MCF_I2C_I2SR_IAAS (0x40)
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#define MCF_I2C_I2SR_ICF (0x80)
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/* Bit definitions and macros for MCF_I2C_I2DR */
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#define MCF_I2C_I2DR_DATA(x) (((x)&0xFF)<<0)
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#endif /* __MCF52235_I2C_H__ */
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