blob: 389e5c8f171a277ab1d49f888219013e6187e8ef (
plain)
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
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
|
/*
ChibiOS - Copyright (C) 2016 Andrew Wygle aka awygle
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file MSP430X/hal_serial_lld.h
* @brief MSP430X serial subsystem low level driver header.
*
* @addtogroup SERIAL
* @{
*/
#ifndef _SERIAL_LLD_H_
#define _SERIAL_LLD_H_
#if (HAL_USE_SERIAL == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
#define NONE 0
#define ODD 2
#define EVEN 3
#define MSB 1
#define LSB 0
#define SEVEN 1
#define EIGHT 0
#define ONE 0
#define TWO 1
#define MSP430X_SERIAL_SMCLK UCSSEL__SMCLK
#define MSP430X_SERIAL_UCLK UCSSEL__UCLK
#define MSP430X_SERIAL_ACLK UCSSEL__ACLK
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name USART0 configuration options
* @{
*/
/**
* @brief USART0 driver enable switch.
* @details If set to @p TRUE the support for USART1 is included.
* @note The default is @p FALSE.
*/
#if !defined(MSP430X_SERIAL_USE_USART0) || defined(__DOXYGEN__)
#define MSP430X_SERIAL_USE_USART0 FALSE
#endif
/** @} */
/**
* @name USART1 configuration options
* @{
*/
/**
* @brief USART1 driver enable switch.
* @details If set to @p TRUE the support for USART1 is included.
* @note The default is @p FALSE.
*/
#if !defined(MSP430X_SERIAL_USE_USART1) || defined(__DOXYGEN__)
#define MSP430X_SERIAL_USE_USART1 FALSE
#endif
/** @} */
/**
* @name USART2 configuration options
* @{
*/
/**
* @brief USART2 driver enable switch.
* @details If set to @p TRUE the support for USART1 is included.
* @note The default is @p FALSE.
*/
#if !defined(MSP430X_SERIAL_USE_USART2) || defined(__DOXYGEN__)
#define MSP430X_SERIAL_USE_USART2 FALSE
#endif
/** @} */
/**
* @name USART3 configuration options
* @{
*/
/**
* @brief USART3 driver enable switch.
* @details If set to @p TRUE the support for USART1 is included.
* @note The default is @p FALSE.
*/
#if !defined(MSP430X_SERIAL_USE_USART3) || defined(__DOXYGEN__)
#define MSP430X_SERIAL_USE_USART3 FALSE
#endif
#if MSP430X_SERIAL_USE_USART0
#if !defined(MSP430X_USART0_PARITY)
#define MSP430X_USART0_PARITY NONE
#endif
#if !defined(MSP430X_USART0_ORDER)
#define MSP430X_USART0_ORDER LSB
#endif
#if !defined(MSP430X_USART0_SIZE)
#define MSP430X_USART0_SIZE EIGHT
#endif
#if !defined(MSP430X_USART0_STOP)
#define MSP430X_USART0_STOP ONE
#endif
#if !defined(MSP430X_USART0_CLK_SRC)
#define MSP430X_USART0_CLK_SRC MSP430X_UCLK_SRC
#ifndef MSP430X_USART0_CLK_FREQ
#error "Requested external UART0 clock but no frequency given"
#endif
#define MSP430X_USART0_UCSSEL UCSSEL__UCLK
#elif MSP430X_USART0_CLK_SRC == MSP430X_ACLK_SRC
#define MSP430X_USART0_CLK_SRC MSP430X_ACLK_SRC
#define MSP430X_USART0_CLK_FREQ MSP430X_ACLK_FREQ
#define MSP430X_USART0_UCSSEL UCSSEL__ACLK
#elif MSP430X_USART0_CLK_SRC == MSP430X_SMCLK_SRC
#define MSP430X_USART0_CLK_SRC MSP430X_SMCLK_SRC
#define MSP430X_USART0_CLK_FREQ MSP430X_SMCLK_FREQ
#define MSP430X_USART0_UCSSEL UCSSEL__SMCLK
#else
#error "MSP430X_USART0_CLK_SRC invalid"
#endif
#endif
#if MSP430X_SERIAL_USE_USART1
#if !defined(MSP430X_USART1_PARITY)
#define MSP430X_USART1_PARITY NONE
#endif
#if !defined(MSP430X_USART1_ORDER)
#define MSP430X_USART1_ORDER LSB
#endif
#if !defined(MSP430X_USART1_SIZE)
#define MSP430X_USART1_SIZE EIGHT
#endif
#if !defined(MSP430X_USART1_STOP)
#define MSP430X_USART1_STOP ONE
#endif
#if !defined(MSP430X_USART1_CLK_SRC)
#define MSP430X_USART1_CLK_SRC MSP430X_UCLK_SRC
#ifndef MSP430X_USART1_CLK_FREQ
#error "Requested external UART0 clock but no frequency given"
#endif
#define MSP430X_USART1_UCSSEL UCSSEL__UCLK
#elif MSP430X_USART1_CLK_SRC == MSP430X_ACLK_SRC
#define MSP430X_USART1_CLK_SRC MSP430X_ACLK_SRC
#define MSP430X_USART1_CLK_FREQ MSP430X_ACLK_FREQ
#define MSP430X_USART1_UCSSEL UCSSEL__ACLK
#elif MSP430X_USART1_CLK_SRC == MSP430X_SMCLK_SRC
#define MSP430X_USART1_CLK_SRC MSP430X_SMCLK_SRC
#define MSP430X_USART1_CLK_FREQ MSP430X_SMCLK_FREQ
#define MSP430X_USART1_UCSSEL UCSSEL__SMCLK
#else
#error "MSP430X_USART1_CLK_SRC invalid"
#endif
#endif
#if MSP430X_SERIAL_USE_USART2
#if !defined(MSP430X_USART2_PARITY)
#define MSP430X_USART2_PARITY NONE
#endif
#if !defined(MSP430X_USART2_ORDER)
#define MSP430X_USART2_ORDER LSB
#endif
#if !defined(MSP430X_USART2_SIZE)
#define MSP430X_USART2_SIZE EIGHT
#endif
#if !defined(MSP430X_USART2_STOP)
#define MSP430X_USART2_STOP ONE
#endif
#if !defined(MSP430X_USART2_CLK_SRC)
#define MSP430X_USART2_CLK_SRC MSP430X_UCLK_SRC
#ifndef MSP430X_USART2_CLK_FREQ
#error "Requested external UART0 clock but no frequency given"
#endif
#define MSP430X_USART2_UCSSEL UCSSEL__UCLK
#elif MSP430X_USART2_CLK_SRC == MSP430X_ACLK_SRC
#define MSP430X_USART2_CLK_SRC MSP430X_ACLK_SRC
#define MSP430X_USART2_CLK_FREQ MSP430X_ACLK_FREQ
#define MSP430X_USART2_UCSSEL UCSSEL__ACLK
#elif MSP430X_USART2_CLK_SRC == MSP430X_SMCLK_SRC
#define MSP430X_USART2_CLK_SRC MSP430X_SMCLK_SRC
#define MSP430X_USART2_CLK_FREQ MSP430X_SMCLK_FREQ
#define MSP430X_USART2_UCSSEL UCSSEL__SMCLK
#else
#error "MSP430X_USART2_CLK_SRC invalid"
#endif
#endif
#if MSP430X_SERIAL_USE_USART3
#if !defined(MSP430X_USART3_PARITY)
#define MSP430X_USART3_PARITY NONE
#endif
#if !defined(MSP430X_USART3_ORDER)
#define MSP430X_USART3_ORDER LSB
#endif
#if !defined(MSP430X_USART3_SIZE)
#define MSP430X_USART3_SIZE EIGHT
#endif
#if !defined(MSP430X_USART3_STOP)
#define MSP430X_USART3_STOP ONE
#endif
#if !defined(MSP430X_USART3_CLK_SRC)
#define MSP430X_USART3_CLK_SRC MSP430X_UCLK_SRC
#ifndef MSP430X_USART3_CLK_FREQ
#error "Requested external UART0 clock but no frequency given"
#endif
#define MSP430X_USART3_UCSSEL UCSSEL__UCLK
#elif MSP430X_USART3_CLK_SRC == MSP430X_ACLK_SRC
#define MSP430X_USART3_CLK_SRC MSP430X_ACLK_SRC
#define MSP430X_USART3_CLK_FREQ MSP430X_ACLK_FREQ
#define MSP430X_USART3_UCSSEL UCSSEL__ACLK
#elif MSP430X_USART3_CLK_SRC == MSP430X_SMCLK_SRC
#define MSP430X_USART3_CLK_SRC MSP430X_SMCLK_SRC
#define MSP430X_USART3_CLK_FREQ MSP430X_SMCLK_FREQ
#define MSP430X_USART3_UCSSEL UCSSEL__SMCLK
#else
#error "MSP430X_USART3_CLK_SRC invalid"
#endif
#endif
/** @} */
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief MSP430X Serial Driver configuration structure.
* @details An insance of this structure must be passed to @p sdStart()
* in order to configure and start a serial driver operations.
* @note This structure content is architecture dependent, each driver
* implementation defines its own version and the custom static
* initializers.
*/
typedef struct {
/**
* @brief Bit rate.
*/
uint32_t sc_bitrate;
/* End of the mandatory fields.*/
} SerialConfig;
/**
* @brief @p SerialDriver specific data.
*/
#define _serial_driver_data \
_base_asynchronous_channel_data \
/* Driver state.*/ \
sdstate_t state; \
/* Input queue.*/ \
input_queue_t iqueue; \
/* Output queue.*/ \
output_queue_t oqueue; \
/* Input circular buffer.*/ \
uint8_t ib[SERIAL_BUFFERS_SIZE]; \
/* Output circular buffer.*/ \
uint8_t ob[SERIAL_BUFFERS_SIZE]; \
/* End of the mandatory fields.*/
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#if (MSP430X_SERIAL_USE_USART0 == TRUE) && !defined(__DOXYGEN__)
extern SerialDriver SD0;
#endif
#if (MSP430X_SERIAL_USE_USART1 == TRUE) && !defined(__DOXYGEN__)
extern SerialDriver SD1;
#endif
#if (MSP430X_SERIAL_USE_USART2 == TRUE) && !defined(__DOXYGEN__)
extern SerialDriver SD2;
#endif
#if (MSP430X_SERIAL_USE_USART3 == TRUE) && !defined(__DOXYGEN__)
extern SerialDriver SD3;
#endif
#ifdef __cplusplus
extern "C" {
#endif
void sd_lld_init(void);
void sd_lld_start(SerialDriver *sdp, const SerialConfig *config);
void sd_lld_stop(SerialDriver *sdp);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_SERIAL == TRUE */
#endif /* _SERIAL_LLD_H_ */
/** @} */
|
