| /* | |
| * 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__ */ |