1 /*
2 * Copyright 2018 NXP
3 * All rights reserved.
4 *
5 *
6 * SPDX-License-Identifier: BSD-3-Clause
7 */
8
9 #include "fsl_common.h"
10 #include "fsl_spi.h"
11
12 #include "fsl_adapter_spi.h"
13
14 /*******************************************************************************
15 * Definitions
16 ******************************************************************************/
17
18 /*! @brief hal_spi master state structure. */
19 typedef struct _hal_spi_master
20 {
21 hal_spi_master_transfer_callback_t callback;
22 void *callbackParam;
23 spi_master_handle_t hardwareHandle;
24 uint8_t instance;
25 } hal_spi_master_t;
26
27 /*! @brief hal_spi slave state structure. */
28 typedef struct _hal_spi_slave
29 {
30 hal_spi_slave_transfer_callback_t callback;
31 void *callbackParam;
32 spi_slave_handle_t hardwareHandle;
33 uint8_t instance;
34 } hal_spi_slave_t;
35
36 /*******************************************************************************
37 * Prototypes
38 ******************************************************************************/
39
40 /*******************************************************************************
41 * Variables
42 ******************************************************************************/
43
44 /*! @brief Array to map SPI instance number to base address. */
45 static const SPI_Type *s_spiBases[] = SPI_BASE_PTRS;
46
47 /*******************************************************************************
48 * Code
49 ******************************************************************************/
50
HAL_SpiGetStatus(status_t status)51 hal_spi_status_t HAL_SpiGetStatus(status_t status)
52 {
53 hal_spi_status_t returnStatus;
54 switch (status)
55 {
56 case kStatus_Success:
57 {
58 returnStatus = kStatus_HAL_SpiSuccess;
59 break;
60 }
61 case kStatus_SPI_Busy:
62 {
63 returnStatus = kStatus_HAL_SpiBusy;
64 break;
65 }
66 case kStatus_SPI_Idle:
67 {
68 returnStatus = kStatus_HAL_SpiIdle;
69 break;
70 }
71 default:
72 {
73 returnStatus = kStatus_HAL_SpiError;
74 break;
75 }
76 }
77 return returnStatus;
78 }
79
HAL_SpiMasterCallback(SPI_Type * base,spi_master_handle_t * handle,status_t status,void * callbackParam)80 static void HAL_SpiMasterCallback(SPI_Type *base, spi_master_handle_t *handle, status_t status, void *callbackParam)
81 {
82 hal_spi_master_t *spiMasterHandle;
83 assert(callbackParam);
84
85 spiMasterHandle = (hal_spi_master_t *)callbackParam;
86
87 if (spiMasterHandle->callback)
88 {
89 spiMasterHandle->callback(spiMasterHandle, HAL_SpiGetStatus(status), spiMasterHandle->callbackParam);
90 }
91 }
92
HAL_SpiSlaveCallback(SPI_Type * base,spi_slave_handle_t * handle,status_t status,void * callbackParam)93 static void HAL_SpiSlaveCallback(SPI_Type *base, spi_slave_handle_t *handle, status_t status, void *callbackParam)
94 {
95 hal_spi_slave_t *spiSlaveHandle;
96 assert(callbackParam);
97
98 spiSlaveHandle = (hal_spi_slave_t *)callbackParam;
99
100 if (spiSlaveHandle->callback)
101 {
102 spiSlaveHandle->callback(spiSlaveHandle, HAL_SpiGetStatus(status), spiSlaveHandle->callbackParam);
103 }
104 }
105
HAL_SpiMasterInit(hal_spi_master_handle_t handle,const hal_spi_master_config_t * config)106 hal_spi_status_t HAL_SpiMasterInit(hal_spi_master_handle_t handle, const hal_spi_master_config_t *config)
107 {
108 hal_spi_master_t *masterHandle;
109 spi_master_config_t spiConfig;
110 assert(handle);
111 assert(config);
112
113 if (HAL_SPI_MASTER_HANDLE_SIZE < sizeof(hal_spi_master_t))
114 {
115 return kStatus_HAL_SpiError;
116 }
117
118 masterHandle = (hal_spi_master_t *)handle;
119
120 SPI_MasterGetDefaultConfig(&spiConfig);
121
122 spiConfig.polarity = (kHAL_SpiClockPolarityActiveHigh == config->polarity) ? kSPI_ClockPolarityActiveHigh :
123 kSPI_ClockPolarityActiveLow;
124 spiConfig.phase =
125 (kHAL_SpiClockPhaseFirstEdge == config->phase) ? kSPI_ClockPhaseFirstEdge : kSPI_ClockPhaseSecondEdge;
126 spiConfig.direction = (kHAL_SpiMsbFirst == config->direction) ? kSPI_MsbFirst : kSPI_LsbFirst;
127 spiConfig.baudRate_Bps = config->baudRate_Bps;
128 spiConfig.enableMaster = config->enableMaster;
129
130 masterHandle->instance = config->instance;
131
132 SPI_MasterInit((SPI_Type *)s_spiBases[masterHandle->instance], &spiConfig, config->srcClock_Hz);
133
134 return kStatus_HAL_SpiSuccess;
135 }
136
HAL_SpiSlaveInit(hal_spi_slave_handle_t handle,const hal_spi_slave_config_t * config)137 hal_spi_status_t HAL_SpiSlaveInit(hal_spi_slave_handle_t handle, const hal_spi_slave_config_t *config)
138 {
139 hal_spi_slave_t *slaveHandle;
140 spi_slave_config_t spiConfig;
141 assert(handle);
142 assert(config);
143
144 if (HAL_SPI_SLAVE_HANDLE_SIZE < sizeof(hal_spi_slave_t))
145 {
146 return kStatus_HAL_SpiError;
147 }
148
149 slaveHandle = (hal_spi_slave_t *)handle;
150
151 SPI_SlaveGetDefaultConfig(&spiConfig);
152
153 spiConfig.polarity = (kHAL_SpiClockPolarityActiveHigh == config->polarity) ? kSPI_ClockPolarityActiveHigh :
154 kSPI_ClockPolarityActiveLow;
155 spiConfig.phase =
156 (kHAL_SpiClockPhaseFirstEdge == config->phase) ? kSPI_ClockPhaseFirstEdge : kSPI_ClockPhaseSecondEdge;
157 spiConfig.direction = (kHAL_SpiMsbFirst == config->direction) ? kSPI_MsbFirst : kSPI_LsbFirst;
158
159 slaveHandle->instance = config->instance;
160
161 SPI_SlaveInit((SPI_Type *)s_spiBases[slaveHandle->instance], &spiConfig);
162
163 return kStatus_HAL_SpiSuccess;
164 }
165
HAL_SpiMasterDeinit(hal_spi_master_handle_t handle)166 hal_spi_status_t HAL_SpiMasterDeinit(hal_spi_master_handle_t handle)
167 {
168 hal_spi_master_t *masterHandle;
169
170 assert(handle);
171
172 masterHandle = (hal_spi_master_t *)handle;
173 SPI_Deinit((SPI_Type *)s_spiBases[masterHandle->instance]);
174
175 return kStatus_HAL_SpiSuccess;
176 }
177
HAL_SpiSlaveDeinit(hal_spi_slave_handle_t handle)178 hal_spi_status_t HAL_SpiSlaveDeinit(hal_spi_slave_handle_t handle)
179 {
180 hal_spi_slave_t *slaveHandle;
181
182 assert(handle);
183
184 slaveHandle = (hal_spi_slave_t *)handle;
185
186 SPI_Deinit((SPI_Type *)s_spiBases[slaveHandle->instance]);
187
188 return kStatus_HAL_SpiSuccess;
189 }
190
HAL_SpiMasterTransferInstallCallback(hal_spi_master_handle_t handle,hal_spi_master_transfer_callback_t callback,void * callbackParam)191 hal_spi_status_t HAL_SpiMasterTransferInstallCallback(hal_spi_master_handle_t handle,
192 hal_spi_master_transfer_callback_t callback,
193 void *callbackParam)
194 {
195 hal_spi_master_t *masterHandle;
196
197 assert(handle);
198
199 masterHandle = (hal_spi_master_t *)handle;
200
201 masterHandle->callback = callback;
202 masterHandle->callbackParam = callbackParam;
203
204 SPI_MasterTransferCreateHandle((SPI_Type *)s_spiBases[masterHandle->instance], &masterHandle->hardwareHandle,
205 HAL_SpiMasterCallback, masterHandle);
206
207 return kStatus_HAL_SpiSuccess;
208 }
209
HAL_SpiMasterTransferBlocking(hal_spi_master_handle_t handle,hal_spi_transfer_t * xfer)210 hal_spi_status_t HAL_SpiMasterTransferBlocking(hal_spi_master_handle_t handle, hal_spi_transfer_t *xfer)
211 {
212 hal_spi_master_t *masterHandle;
213 spi_transfer_t transfer;
214
215 assert(handle);
216 assert(xfer);
217
218 masterHandle = (hal_spi_master_t *)handle;
219
220 transfer.txData = xfer->txData;
221 transfer.rxData = xfer->rxData;
222 transfer.dataSize = xfer->dataSize;
223 transfer.configFlags = xfer->flags;
224
225 return HAL_SpiGetStatus(SPI_MasterTransferBlocking((SPI_Type *)s_spiBases[masterHandle->instance], &transfer));
226 }
227
HAL_SpiMasterTransferNonBlocking(hal_spi_master_handle_t handle,hal_spi_transfer_t * xfer)228 hal_spi_status_t HAL_SpiMasterTransferNonBlocking(hal_spi_master_handle_t handle, hal_spi_transfer_t *xfer)
229 {
230 hal_spi_master_t *masterHandle;
231 spi_transfer_t transfer;
232
233 assert(handle);
234 assert(xfer);
235
236 masterHandle = (hal_spi_master_t *)handle;
237 transfer.txData = xfer->txData;
238 transfer.rxData = xfer->rxData;
239 transfer.dataSize = xfer->dataSize;
240 transfer.configFlags = xfer->flags;
241 return HAL_SpiGetStatus(SPI_MasterTransferNonBlocking((SPI_Type *)s_spiBases[masterHandle->instance],
242 &masterHandle->hardwareHandle, &transfer));
243 }
244
HAL_SpiMasterTransferGetCount(hal_spi_master_handle_t handle,size_t * count)245 hal_spi_status_t HAL_SpiMasterTransferGetCount(hal_spi_master_handle_t handle, size_t *count)
246 {
247 hal_spi_master_t *masterHandle;
248 assert(handle);
249 assert(count);
250
251 masterHandle = (hal_spi_master_t *)handle;
252 return HAL_SpiGetStatus(SPI_MasterTransferGetCount((SPI_Type *)s_spiBases[masterHandle->instance],
253 &masterHandle->hardwareHandle, count));
254 }
255
HAL_SpiMasterTransferAbort(hal_spi_master_handle_t handle)256 hal_spi_status_t HAL_SpiMasterTransferAbort(hal_spi_master_handle_t handle)
257 {
258 hal_spi_master_t *masterHandle;
259 assert(handle);
260
261 masterHandle = (hal_spi_master_t *)handle;
262 SPI_MasterTransferAbort((SPI_Type *)s_spiBases[masterHandle->instance], &masterHandle->hardwareHandle);
263 return kStatus_HAL_SpiSuccess;
264 }
265
HAL_SpiSlaveTransferInstallCallback(hal_spi_slave_handle_t handle,hal_spi_slave_transfer_callback_t callback,void * callbackParam)266 hal_spi_status_t HAL_SpiSlaveTransferInstallCallback(hal_spi_slave_handle_t handle,
267 hal_spi_slave_transfer_callback_t callback,
268 void *callbackParam)
269 {
270 hal_spi_slave_t *slaveHandle;
271
272 assert(handle);
273
274 slaveHandle = (hal_spi_slave_t *)handle;
275 slaveHandle->callback = callback;
276 slaveHandle->callbackParam = callbackParam;
277
278 SPI_SlaveTransferCreateHandle((SPI_Type *)s_spiBases[slaveHandle->instance], &slaveHandle->hardwareHandle,
279 HAL_SpiSlaveCallback, slaveHandle);
280 return kStatus_HAL_SpiSuccess;
281 }
282
HAL_SpiSlaveTransferNonBlocking(hal_spi_slave_handle_t handle,hal_spi_transfer_t * xfer)283 hal_spi_status_t HAL_SpiSlaveTransferNonBlocking(hal_spi_slave_handle_t handle, hal_spi_transfer_t *xfer)
284 {
285 hal_spi_slave_t *slaveHandle;
286 spi_transfer_t transfer;
287
288 assert(handle);
289 assert(xfer);
290
291 slaveHandle = (hal_spi_slave_t *)handle;
292 transfer.txData = xfer->txData;
293 transfer.rxData = xfer->rxData;
294 transfer.dataSize = xfer->dataSize;
295 transfer.configFlags = xfer->flags;
296 return HAL_SpiGetStatus(SPI_SlaveTransferNonBlocking((SPI_Type *)s_spiBases[slaveHandle->instance],
297 &slaveHandle->hardwareHandle, &transfer));
298 }
299
HAL_SpiSlaveTransferGetCount(hal_spi_slave_handle_t handle,size_t * count)300 hal_spi_status_t HAL_SpiSlaveTransferGetCount(hal_spi_slave_handle_t handle, size_t *count)
301 {
302 hal_spi_slave_t *slaveHandle;
303 assert(handle);
304 assert(count);
305
306 slaveHandle = (hal_spi_slave_t *)handle;
307 return HAL_SpiGetStatus(
308 SPI_SlaveTransferGetCount((SPI_Type *)s_spiBases[slaveHandle->instance], &slaveHandle->hardwareHandle, count));
309 }
310
HAL_SpiSlaveTransferAbort(hal_spi_slave_handle_t handle)311 hal_spi_status_t HAL_SpiSlaveTransferAbort(hal_spi_slave_handle_t handle)
312 {
313 hal_spi_slave_t *slaveHandle;
314 assert(handle);
315
316 slaveHandle = (hal_spi_slave_t *)handle;
317 SPI_SlaveTransferAbort((SPI_Type *)s_spiBases[slaveHandle->instance], &slaveHandle->hardwareHandle);
318 return kStatus_HAL_SpiSuccess;
319 }
320
