Blame view

RIOT/cpu/stellaris_common/include/hw_ssi.h 12.1 KB
fb11e647   vrobic   reseau statique a...
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
  //*****************************************************************************
  //
  // hw_ssi.h - Macros used when accessing the SSI hardware.
  //
  // Copyright (c) 2005-2012 Texas Instruments Incorporated.  All rights reserved.
  // Software License Agreement
  //
  //   Redistribution and use in source and binary forms, with or without
  //   modification, are permitted provided that the following conditions
  //   are met:
  //
  //   Redistributions of source code must retain the above copyright
  //   notice, this list of conditions and the following disclaimer.
  //
  //   Redistributions in binary form must reproduce the above copyright
  //   notice, this list of conditions and the following disclaimer in the
  //   documentation and/or other materials provided with the
  //   distribution.
  //
  //   Neither the name of Texas Instruments Incorporated nor the names of
  //   its contributors may be used to endorse or promote products derived
  //   from this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  //
  // This is part of revision 9453 of the Stellaris Firmware Development Package.
  //
  //*****************************************************************************
  
  #ifndef STELLARIS_HW_SSI_H_
  #define STELLARIS_HW_SSI_H_
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  //*****************************************************************************
  //
  // The following are defines for the SSI register offsets.
  //
  //*****************************************************************************
  #define SSI_O_CR0               0x00000000  // SSI Control 0
  #define SSI_O_CR1               0x00000004  // SSI Control 1
  #define SSI_O_DR                0x00000008  // SSI Data
  #define SSI_O_SR                0x0000000C  // SSI Status
  #define SSI_O_CPSR              0x00000010  // SSI Clock Prescale
  #define SSI_O_IM                0x00000014  // SSI Interrupt Mask
  #define SSI_O_RIS               0x00000018  // SSI Raw Interrupt Status
  #define SSI_O_MIS               0x0000001C  // SSI Masked Interrupt Status
  #define SSI_O_ICR               0x00000020  // SSI Interrupt Clear
  #define SSI_O_DMACTL            0x00000024  // SSI DMA Control
  #define SSI_O_CC                0x00000FC8  // SSI Clock Configuration
  
  //*****************************************************************************
  //
  // The following are defines for the bit fields in the SSI_O_CR0 register.
  //
  //*****************************************************************************
  #define SSI_CR0_SCR_M           0x0000FF00  // SSI Serial Clock Rate
  #define SSI_CR0_SPH             0x00000080  // SSI Serial Clock Phase
  #define SSI_CR0_SPO             0x00000040  // SSI Serial Clock Polarity
  #define SSI_CR0_FRF_M           0x00000030  // SSI Frame Format Select
  #define SSI_CR0_FRF_MOTO        0x00000000  // Freescale SPI Frame Format
  #define SSI_CR0_FRF_TI          0x00000010  // Texas Instruments Synchronous
                                              // Serial Frame Format
  #define SSI_CR0_FRF_NMW         0x00000020  // MICROWIRE Frame Format
  #define SSI_CR0_DSS_M           0x0000000F  // SSI Data Size Select
  #define SSI_CR0_DSS_4           0x00000003  // 4-bit data
  #define SSI_CR0_DSS_5           0x00000004  // 5-bit data
  #define SSI_CR0_DSS_6           0x00000005  // 6-bit data
  #define SSI_CR0_DSS_7           0x00000006  // 7-bit data
  #define SSI_CR0_DSS_8           0x00000007  // 8-bit data
  #define SSI_CR0_DSS_9           0x00000008  // 9-bit data
  #define SSI_CR0_DSS_10          0x00000009  // 10-bit data
  #define SSI_CR0_DSS_11          0x0000000A  // 11-bit data
  #define SSI_CR0_DSS_12          0x0000000B  // 12-bit data
  #define SSI_CR0_DSS_13          0x0000000C  // 13-bit data
  #define SSI_CR0_DSS_14          0x0000000D  // 14-bit data
  #define SSI_CR0_DSS_15          0x0000000E  // 15-bit data
  #define SSI_CR0_DSS_16          0x0000000F  // 16-bit data
  #define SSI_CR0_SCR_S           8
  
  //*****************************************************************************
  //
  // The following are defines for the bit fields in the SSI_O_CR1 register.
  //
  //*****************************************************************************
  #define SSI_CR1_EOT             0x00000010  // End of Transmission
  #define SSI_CR1_SOD             0x00000008  // SSI Slave Mode Output Disable
  #define SSI_CR1_MS              0x00000004  // SSI Master/Slave Select
  #define SSI_CR1_SSE             0x00000002  // SSI Synchronous Serial Port
                                              // Enable
  #define SSI_CR1_LBM             0x00000001  // SSI Loopback Mode
  
  //*****************************************************************************
  //
  // The following are defines for the bit fields in the SSI_O_DR register.
  //
  //*****************************************************************************
  #define SSI_DR_DATA_M           0x0000FFFF  // SSI Receive/Transmit Data
  #define SSI_DR_DATA_S           0
  
  //*****************************************************************************
  //
  // The following are defines for the bit fields in the SSI_O_SR register.
  //
  //*****************************************************************************
  #define SSI_SR_BSY              0x00000010  // SSI Busy Bit
  #define SSI_SR_RFF              0x00000008  // SSI Receive FIFO Full
  #define SSI_SR_RNE              0x00000004  // SSI Receive FIFO Not Empty
  #define SSI_SR_TNF              0x00000002  // SSI Transmit FIFO Not Full
  #define SSI_SR_TFE              0x00000001  // SSI Transmit FIFO Empty
  
  //*****************************************************************************
  //
  // The following are defines for the bit fields in the SSI_O_CPSR register.
  //
  //*****************************************************************************
  #define SSI_CPSR_CPSDVSR_M      0x000000FF  // SSI Clock Prescale Divisor
  #define SSI_CPSR_CPSDVSR_S      0
  
  //*****************************************************************************
  //
  // The following are defines for the bit fields in the SSI_O_IM register.
  //
  //*****************************************************************************
  #define SSI_IM_TXIM             0x00000008  // SSI Transmit FIFO Interrupt Mask
  #define SSI_IM_RXIM             0x00000004  // SSI Receive FIFO Interrupt Mask
  #define SSI_IM_RTIM             0x00000002  // SSI Receive Time-Out Interrupt
                                              // Mask
  #define SSI_IM_RORIM            0x00000001  // SSI Receive Overrun Interrupt
                                              // Mask
  
  //*****************************************************************************
  //
  // The following are defines for the bit fields in the SSI_O_RIS register.
  //
  //*****************************************************************************
  #define SSI_RIS_TXRIS           0x00000008  // SSI Transmit FIFO Raw Interrupt
                                              // Status
  #define SSI_RIS_RXRIS           0x00000004  // SSI Receive FIFO Raw Interrupt
                                              // Status
  #define SSI_RIS_RTRIS           0x00000002  // SSI Receive Time-Out Raw
                                              // Interrupt Status
  #define SSI_RIS_RORRIS          0x00000001  // SSI Receive Overrun Raw
                                              // Interrupt Status
  
  //*****************************************************************************
  //
  // The following are defines for the bit fields in the SSI_O_MIS register.
  //
  //*****************************************************************************
  #define SSI_MIS_TXMIS           0x00000008  // SSI Transmit FIFO Masked
                                              // Interrupt Status
  #define SSI_MIS_RXMIS           0x00000004  // SSI Receive FIFO Masked
                                              // Interrupt Status
  #define SSI_MIS_RTMIS           0x00000002  // SSI Receive Time-Out Masked
                                              // Interrupt Status
  #define SSI_MIS_RORMIS          0x00000001  // SSI Receive Overrun Masked
                                              // Interrupt Status
  
  //*****************************************************************************
  //
  // The following are defines for the bit fields in the SSI_O_ICR register.
  //
  //*****************************************************************************
  #define SSI_ICR_RTIC            0x00000002  // SSI Receive Time-Out Interrupt
                                              // Clear
  #define SSI_ICR_RORIC           0x00000001  // SSI Receive Overrun Interrupt
                                              // Clear
  
  //*****************************************************************************
  //
  // The following are defines for the bit fields in the SSI_O_DMACTL register.
  //
  //*****************************************************************************
  #define SSI_DMACTL_TXDMAE       0x00000002  // Transmit DMA Enable
  #define SSI_DMACTL_RXDMAE       0x00000001  // Receive DMA Enable
  
  //*****************************************************************************
  //
  // The following are defines for the bit fields in the SSI_O_CC register.
  //
  //*****************************************************************************
  #define SSI_CC_CS_M             0x0000000F  // SSI Baud Clock Source
  #define SSI_CC_CS_SYSPLL        0x00000000  // Either the system clock (if the
                                              // PLL bypass is in effect) or the
                                              // PLL output (default)
  #define SSI_CC_CS_PIOSC         0x00000005  // PIOSC
  
  //*****************************************************************************
  //
  // The following definitions are deprecated.
  //
  //*****************************************************************************
  #ifndef DEPRECATED
  
  //*****************************************************************************
  //
  // The following are deprecated defines for the bit fields in the SSI_O_CR0
  // register.
  //
  //*****************************************************************************
  #define SSI_CR0_SCR             0x0000FF00  // Serial clock rate
  #define SSI_CR0_FRF_MASK        0x00000030  // Frame format mask
  #define SSI_CR0_DSS             0x0000000F  // Data size select
  
  //*****************************************************************************
  //
  // The following are deprecated defines for the bit fields in the SSI_O_CPSR
  // register.
  //
  //*****************************************************************************
  #define SSI_CPSR_CPSDVSR_MASK   0x000000FF  // Clock prescale
  
  //*****************************************************************************
  //
  // The following are deprecated defines for the SSI controller's FIFO size.
  //
  //*****************************************************************************
  #define TX_FIFO_SIZE            (8)         // Number of entries in the TX FIFO
  #define RX_FIFO_SIZE            (8)         // Number of entries in the RX FIFO
  
  //*****************************************************************************
  //
  // The following are deprecated defines for the bit fields in the interrupt
  // mask set and clear, raw interrupt, masked interrupt, and interrupt clear
  // registers.
  //
  //*****************************************************************************
  #define SSI_INT_TXFF            0x00000008  // TX FIFO interrupt
  #define SSI_INT_RXFF            0x00000004  // RX FIFO interrupt
  #define SSI_INT_RXTO            0x00000002  // RX timeout interrupt
  #define SSI_INT_RXOR            0x00000001  // RX overrun interrupt
  
  #endif
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* STELLARIS_HW_SSI_H_ */