| //***************************************************************************** | |
| // | |
| // ssi.h - Prototypes for the Synchronous Serial Interface Driver. | |
| // | |
| // Copyright (c) 2005,2006 Luminary Micro, Inc. All rights reserved. | |
| // | |
| // Software License Agreement | |
| // | |
| // Luminary Micro, Inc. (LMI) is supplying this software for use solely and | |
| // exclusively on LMI's Stellaris Family of microcontroller products. | |
| // | |
| // The software is owned by LMI and/or its suppliers, and is protected under | |
| // applicable copyright laws. All rights are reserved. Any use in violation | |
| // of the foregoing restrictions may subject the user to criminal sanctions | |
| // under applicable laws, as well as to civil liability for the breach of the | |
| // terms and conditions of this license. | |
| // | |
| // THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED | |
| // OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF | |
| // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. | |
| // LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR | |
| // CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. | |
| // | |
| // This is part of revision 523 of the Stellaris Driver Library. | |
| // | |
| //***************************************************************************** | |
| #ifndef __SSI_H__ | |
| #define __SSI_H__ | |
| #ifdef __cplusplus | |
| extern "C" | |
| { | |
| #endif | |
| //***************************************************************************** | |
| // | |
| // Values that can be passed to SSIIntEnable, SSIIntDisable, and SSIIntClear | |
| // as the ulIntFlags parameter, and returned by SSIIntStatus. | |
| // | |
| //***************************************************************************** | |
| #define SSI_TXFF 0x00000008 // TX FIFO half empty or less | |
| #define SSI_RXFF 0x00000004 // RX FIFO half full or less | |
| #define SSI_RXTO 0x00000002 // RX timeout | |
| #define SSI_RXOR 0x00000001 // RX overrun | |
| //***************************************************************************** | |
| // | |
| // Values that can be passed to SSIConfig. | |
| // | |
| //***************************************************************************** | |
| #define SSI_FRF_MOTO_MODE_0 0x00000000 // Moto fmt, polarity 0, phase 0 | |
| #define SSI_FRF_MOTO_MODE_1 0x00000002 // Moto fmt, polarity 0, phase 1 | |
| #define SSI_FRF_MOTO_MODE_2 0x00000001 // Moto fmt, polarity 1, phase 0 | |
| #define SSI_FRF_MOTO_MODE_3 0x00000003 // Moto fmt, polarity 1, phase 1 | |
| #define SSI_FRF_TI 0x00000010 // TI frame format | |
| #define SSI_FRF_NMW 0x00000020 // National MicroWire frame format | |
| #define SSI_MODE_MASTER 0x00000000 // SSI master | |
| #define SSI_MODE_SLAVE 0x00000001 // SSI slave | |
| #define SSI_MODE_SLAVE_OD 0x00000002 // SSI slave with output disabled | |
| //***************************************************************************** | |
| // | |
| // Prototypes for the APIs. | |
| // | |
| //***************************************************************************** | |
| extern void SSIConfig(unsigned long ulBase, unsigned long ulProtocol, | |
| unsigned long ulMode, unsigned long ulBitRate, | |
| unsigned long ulDataWidth); | |
| extern void SSIDataGet(unsigned long ulBase, unsigned long *ulData); | |
| extern long SSIDataNonBlockingGet(unsigned long ulBase, unsigned long *ulData); | |
| extern void SSIDataPut(unsigned long ulBase, unsigned long ulData); | |
| extern long SSIDataNonBlockingPut(unsigned long ulBase, unsigned long ulData); | |
| extern void SSIDisable(unsigned long ulBase); | |
| extern void SSIEnable(unsigned long ulBase); | |
| extern void SSIIntClear(unsigned long ulBase, unsigned long ulIntFlags); | |
| extern void SSIIntDisable(unsigned long ulBase, unsigned long ulIntFlags); | |
| extern void SSIIntEnable(unsigned long ulBase, unsigned long ulIntFlags); | |
| extern void SSIIntRegister(unsigned long ulBase, void(*pfnHandler)(void)); | |
| extern unsigned long SSIIntStatus(unsigned long ulBase, tBoolean bMasked); | |
| extern void SSIIntUnregister(unsigned long ulBase); | |
| #ifdef __cplusplus | |
| } | |
| #endif | |
| #endif // __SSI_H__ |