1 //*****************************************************************************
3 // ssi.h - Prototypes for the Synchronous Serial Interface Driver.
5 // Copyright (c) 2005,2006 Luminary Micro, Inc. All rights reserved.
7 // Software License Agreement
9 // Luminary Micro, Inc. (LMI) is supplying this software for use solely and
10 // exclusively on LMI's Stellaris Family of microcontroller products.
12 // The software is owned by LMI and/or its suppliers, and is protected under
13 // applicable copyright laws. All rights are reserved. Any use in violation
14 // of the foregoing restrictions may subject the user to criminal sanctions
15 // under applicable laws, as well as to civil liability for the breach of the
16 // terms and conditions of this license.
18 // THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
19 // OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
20 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
21 // LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
22 // CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
24 // This is part of revision 523 of the Stellaris Driver Library.
26 //*****************************************************************************
36 //*****************************************************************************
38 // Values that can be passed to SSIIntEnable, SSIIntDisable, and SSIIntClear
39 // as the ulIntFlags parameter, and returned by SSIIntStatus.
41 //*****************************************************************************
42 #define SSI_TXFF 0x00000008 // TX FIFO half empty or less
43 #define SSI_RXFF 0x00000004 // RX FIFO half full or less
44 #define SSI_RXTO 0x00000002 // RX timeout
45 #define SSI_RXOR 0x00000001 // RX overrun
47 //*****************************************************************************
49 // Values that can be passed to SSIConfig.
51 //*****************************************************************************
52 #define SSI_FRF_MOTO_MODE_0 0x00000000 // Moto fmt, polarity 0, phase 0
53 #define SSI_FRF_MOTO_MODE_1 0x00000002 // Moto fmt, polarity 0, phase 1
54 #define SSI_FRF_MOTO_MODE_2 0x00000001 // Moto fmt, polarity 1, phase 0
55 #define SSI_FRF_MOTO_MODE_3 0x00000003 // Moto fmt, polarity 1, phase 1
56 #define SSI_FRF_TI 0x00000010 // TI frame format
57 #define SSI_FRF_NMW 0x00000020 // National MicroWire frame format
59 #define SSI_MODE_MASTER 0x00000000 // SSI master
60 #define SSI_MODE_SLAVE 0x00000001 // SSI slave
61 #define SSI_MODE_SLAVE_OD 0x00000002 // SSI slave with output disabled
63 //*****************************************************************************
65 // Prototypes for the APIs.
67 //*****************************************************************************
68 extern void SSIConfig(unsigned long ulBase, unsigned long ulProtocol,
69 unsigned long ulMode, unsigned long ulBitRate,
70 unsigned long ulDataWidth);
71 extern void SSIDataGet(unsigned long ulBase, unsigned long *ulData);
72 extern long SSIDataNonBlockingGet(unsigned long ulBase, unsigned long *ulData);
73 extern void SSIDataPut(unsigned long ulBase, unsigned long ulData);
74 extern long SSIDataNonBlockingPut(unsigned long ulBase, unsigned long ulData);
75 extern void SSIDisable(unsigned long ulBase);
76 extern void SSIEnable(unsigned long ulBase);
77 extern void SSIIntClear(unsigned long ulBase, unsigned long ulIntFlags);
78 extern void SSIIntDisable(unsigned long ulBase, unsigned long ulIntFlags);
79 extern void SSIIntEnable(unsigned long ulBase, unsigned long ulIntFlags);
80 extern void SSIIntRegister(unsigned long ulBase, void(*pfnHandler)(void));
81 extern unsigned long SSIIntStatus(unsigned long ulBase, tBoolean bMasked);
82 extern void SSIIntUnregister(unsigned long ulBase);