Outline ![]()
Files ![]()
loading...
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
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
/**
******************************************************************************
* @file stm32f4xx_hal_pcd_ex.c
* @author MCD Application Team
* @brief PCD Extended HAL module driver.
* This file provides firmware functions to manage the following
* functionalities of the USB Peripheral Controller:
* + Extended features functions
*
******************************************************************************
* @attention
*
* Copyright (c) 2016 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
/** @addtogroup STM32F4xx_HAL_Driver
* @{
*/
/** @defgroup PCDEx PCDEx
* @brief PCD Extended HAL module driver
* @{
*/
#ifdef HAL_PCD_MODULE_ENABLED
#if defined (USB_OTG_FS) || defined (USB_OTG_HS)
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions
* @{
*/
/** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions
* @brief PCDEx control functions
*
@verbatim
===============================================================================
##### Extended features functions #####
===============================================================================
[..] This section provides functions allowing to:
(+) Update FIFO configuration
@endverbatim
* @{
*/
#if defined (USB_OTG_FS) || defined (USB_OTG_HS)
/**
* @brief Set Tx FIFO
* @param hpcd PCD handle
* @param fifo The number of Tx fifo
* @param size Fifo size
* @retval HAL status
*/
HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size)
{
uint8_t i;
uint32_t Tx_Offset;
/* TXn min size = 16 words. (n : Transmit FIFO index)
When a TxFIFO is not used, the Configuration should be as follows:
case 1 : n > m and Txn is not used (n,m : Transmit FIFO indexes)
--> Txm can use the space allocated for Txn.
case2 : n < m and Txn is not used (n,m : Transmit FIFO indexes)
--> Txn should be configured with the minimum space of 16 words
The FIFO is used optimally when used TxFIFOs are allocated in the top
of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones.
When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */
Tx_Offset = hpcd->Instance->GRXFSIZ;
if (fifo == 0U)
{
hpcd->Instance->DIEPTXF0_HNPTXFSIZ = ((uint32_t)size << 16) | Tx_Offset;
}
else
{
Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16;
for (i = 0U; i < (fifo - 1U); i++)
{
Tx_Offset += (hpcd->Instance->DIEPTXF[i] >> 16);
}
/* Multiply Tx_Size by 2 to get higher performance */
hpcd->Instance->DIEPTXF[fifo - 1U] = ((uint32_t)size << 16) | Tx_Offset;
}
return HAL_OK;
}
/**
* @brief Set Rx FIFO
* @param hpcd PCD handle
* @param size Size of Rx fifo
* @retval HAL status
*/
HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size)
{
hpcd->Instance->GRXFSIZ = size;
return HAL_OK;
}
#if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) \
|| defined(STM32F412Vx) || defined(STM32F412Rx) || defined(STM32F412Cx) || defined(STM32F413xx) \
|| defined(STM32F423xx)
/**
* @brief Activate LPM feature.
* @param hpcd PCD handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_PCDEx_ActivateLPM(PCD_HandleTypeDef *hpcd)
{
USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
hpcd->lpm_active = 1U;
hpcd->LPM_State = LPM_L0;
USBx->GINTMSK |= USB_OTG_GINTMSK_LPMINTM;
USBx->GLPMCFG |= (USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
return HAL_OK;
}
/**
* @brief Deactivate LPM feature.
* @param hpcd PCD handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_PCDEx_DeActivateLPM(PCD_HandleTypeDef *hpcd)
{
USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
hpcd->lpm_active = 0U;
USBx->GINTMSK &= ~USB_OTG_GINTMSK_LPMINTM;
USBx->GLPMCFG &= ~(USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
return HAL_OK;
}
#endif /* defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) ||
defined(STM32F412Vx) || defined(STM32F412Rx) || defined(STM32F412Cx) || defined(STM32F413xx) ||
defined(STM32F423xx) */
#if defined(STM32F412Zx) || defined(STM32F412Vx) || defined(STM32F412Rx) \
|| defined(STM32F412Cx) || defined(STM32F413xx) || defined(STM32F423xx)
/**
* @brief Handle BatteryCharging Process.
* @param hpcd PCD handle
* @retval HAL status
*/
void HAL_PCDEx_BCD_VBUSDetect(PCD_HandleTypeDef *hpcd)
{
USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
uint32_t tickstart = HAL_GetTick();
/* Enable DCD : Data Contact Detect */
USBx->GCCFG |= USB_OTG_GCCFG_DCDEN;
/* Wait for Min DCD Timeout */
HAL_Delay(300U);
/* Check Detect flag */
if ((USBx->GCCFG & USB_OTG_GCCFG_DCDET) == USB_OTG_GCCFG_DCDET)
{
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
hpcd->BCDCallback(hpcd, PCD_BCD_CONTACT_DETECTION);
#else
HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CONTACT_DETECTION);
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
}
/* Primary detection: checks if connected to Standard Downstream Port
(without charging capability) */
USBx->GCCFG &= ~USB_OTG_GCCFG_DCDEN;
HAL_Delay(50U);
USBx->GCCFG |= USB_OTG_GCCFG_PDEN;
HAL_Delay(50U);
if ((USBx->GCCFG & USB_OTG_GCCFG_PDET) == 0U)
{
/* Case of Standard Downstream Port */
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
hpcd->BCDCallback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT);
#else
HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT);
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
}
else
{
/* start secondary detection to check connection to Charging Downstream
Port or Dedicated Charging Port */
USBx->GCCFG &= ~(USB_OTG_GCCFG_PDEN);
HAL_Delay(50U);
USBx->GCCFG |= USB_OTG_GCCFG_SDEN;
HAL_Delay(50U);
if ((USBx->GCCFG & USB_OTG_GCCFG_SDET) == USB_OTG_GCCFG_SDET)
{
/* case Dedicated Charging Port */
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
hpcd->BCDCallback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT);
#else
HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT);
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
}
else
{
/* case Charging Downstream Port */
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
hpcd->BCDCallback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT);
#else
HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT);
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
}
}
/* Battery Charging capability discovery finished */
(void)HAL_PCDEx_DeActivateBCD(hpcd);
/* Check for the Timeout, else start USB Device */
if ((HAL_GetTick() - tickstart) > 1000U)
{
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
hpcd->BCDCallback(hpcd, PCD_BCD_ERROR);
#else
HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR);
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
}
else
{
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
hpcd->BCDCallback(hpcd, PCD_BCD_DISCOVERY_COMPLETED);
#else
HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED);
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
}
}
/**
* @brief Activate BatteryCharging feature.
* @param hpcd PCD handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_PCDEx_ActivateBCD(PCD_HandleTypeDef *hpcd)
{
USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
USBx->GCCFG &= ~(USB_OTG_GCCFG_PDEN);
USBx->GCCFG &= ~(USB_OTG_GCCFG_SDEN);
/* Power Down USB transceiver */
USBx->GCCFG &= ~(USB_OTG_GCCFG_PWRDWN);
/* Enable Battery charging */
USBx->GCCFG |= USB_OTG_GCCFG_BCDEN;
hpcd->battery_charging_active = 1U;
return HAL_OK;
}
/**
* @brief Deactivate BatteryCharging feature.
* @param hpcd PCD handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_PCDEx_DeActivateBCD(PCD_HandleTypeDef *hpcd)
{
USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
USBx->GCCFG &= ~(USB_OTG_GCCFG_SDEN);
USBx->GCCFG &= ~(USB_OTG_GCCFG_PDEN);
/* Disable Battery charging */
USBx->GCCFG &= ~(USB_OTG_GCCFG_BCDEN);
hpcd->battery_charging_active = 0U;
return HAL_OK;
}
#endif /* defined(STM32F412Zx) || defined(STM32F412Vx) || defined(STM32F412Rx) ||
defined(STM32F412Cx) || defined(STM32F413xx) || defined(STM32F423xx) */
#endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */
/**
* @brief Send LPM message to user layer callback.
* @param hpcd PCD handle
* @param msg LPM message
* @retval HAL status
*/
__weak void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hpcd);
UNUSED(msg);
/* NOTE : This function should not be modified, when the callback is needed,
the HAL_PCDEx_LPM_Callback could be implemented in the user file
*/
}
/**
* @brief Send BatteryCharging message to user layer callback.
* @param hpcd PCD handle
* @param msg LPM message
* @retval HAL status
*/
__weak void HAL_PCDEx_BCD_Callback(PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hpcd);
UNUSED(msg);
/* NOTE : This function should not be modified, when the callback is needed,
the HAL_PCDEx_BCD_Callback could be implemented in the user file
*/
}
/**
* @}
*/
/**
* @}
*/
#endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */
#endif /* HAL_PCD_MODULE_ENABLED */
/**
* @}
*/
/**
* @}
*/
Details ![]()
Show: from Types: Columns: ![]( "Show Project Names")
![]( "Show Locations")
![]( "Show Referring Symbols")
![]( "Show Scope")
This file uses the notable symbols shown below. Click anywhere in the file to view more details.