1 /**************************************************************************//**
2  * @file     usbd.h
3  * @version  V1.00
4  * @brief    M480 series USB driver header file
5  *
6  * SPDX-License-Identifier: Apache-2.0
7  * @copyright (C) 2016-2020 Nuvoton Technology Corp. All rights reserved.
8  ******************************************************************************/
9 #ifndef __USBD_H__
10 #define __USBD_H__
11 
12 #ifdef __cplusplus
13 extern "C"
14 {
15 #endif
16 
17 
18 /** @addtogroup Standard_Driver Standard Driver
19   @{
20 */
21 
22 /** @addtogroup USBD_Driver USBD Driver
23   @{
24 */
25 
26 /** @addtogroup USBD_EXPORTED_STRUCT USBD Exported Struct
27   @{
28 */
29 typedef struct s_usbd_info
30 {
31     uint8_t *gu8DevDesc;            /*!< Pointer for USB Device Descriptor          */
32     uint8_t *gu8ConfigDesc;         /*!< Pointer for USB Configuration Descriptor   */
33     uint8_t **gu8StringDesc;        /*!< Pointer for USB String Descriptor pointers */
34     uint8_t **gu8HidReportDesc;     /*!< Pointer for USB HID Report Descriptor      */
35     uint8_t *gu8BosDesc;            /*!< Pointer for USB BOS Descriptor             */
36     uint32_t *gu32HidReportSize;    /*!< Pointer for HID Report descriptor Size */
37     uint32_t *gu32ConfigHidDescIdx; /*!< Pointer for HID Descriptor start index */
38 
39 } S_USBD_INFO_T;  /*!< Device description structure */
40 
41 extern const S_USBD_INFO_T gsInfo;
42 
43 /*@}*/ /* end of group USBD_EXPORTED_STRUCT */
44 
45 
46 
47 
48 /** @addtogroup USBD_EXPORTED_CONSTANTS USBD Exported Constants
49   @{
50 */
51 #define USBD_BUF_BASE   (USBD_BASE+0x100ul)  /*!< USBD buffer base address \hideinitializer */
52 #define USBD_MAX_EP     12ul /*!< Total EP number \hideinitializer */
53 
54 #define EP0     0ul       /*!< Endpoint 0 \hideinitializer */
55 #define EP1     1ul       /*!< Endpoint 1 \hideinitializer */
56 #define EP2     2ul       /*!< Endpoint 2 \hideinitializer */
57 #define EP3     3ul       /*!< Endpoint 3 \hideinitializer */
58 #define EP4     4ul       /*!< Endpoint 4 \hideinitializer */
59 #define EP5     5ul       /*!< Endpoint 5 \hideinitializer */
60 #define EP6     6ul       /*!< Endpoint 6 \hideinitializer */
61 #define EP7     7ul       /*!< Endpoint 7 \hideinitializer */
62 #define EP8     8ul       /*!< Endpoint 8 \hideinitializer */
63 #define EP9     9ul       /*!< Endpoint 9 \hideinitializer */
64 #define EP10    10ul      /*!< Endpoint 10 \hideinitializer */
65 #define EP11    11ul      /*!< Endpoint 11 \hideinitializer */
66 
67 /** @cond HIDDEN_SYMBOLS */
68 /* USB Request Type */
69 #define REQ_STANDARD        0x00ul
70 #define REQ_CLASS           0x20ul
71 #define REQ_VENDOR          0x40ul
72 
73 /* USB Standard Request */
74 #define GET_STATUS          0x00ul
75 #define CLEAR_FEATURE       0x01ul
76 #define SET_FEATURE         0x03ul
77 #define SET_ADDRESS         0x05ul
78 #define GET_DESCRIPTOR      0x06ul
79 #define SET_DESCRIPTOR      0x07ul
80 #define GET_CONFIGURATION   0x08ul
81 #define SET_CONFIGURATION   0x09ul
82 #define GET_INTERFACE       0x0Aul
83 #define SET_INTERFACE       0x0Bul
84 #define SYNC_FRAME          0x0Cul
85 
86 /* USB Descriptor Type */
87 #define DESC_DEVICE         0x01ul
88 #define DESC_CONFIG         0x02ul
89 #define DESC_STRING         0x03ul
90 #define DESC_INTERFACE      0x04ul
91 #define DESC_ENDPOINT       0x05ul
92 #define DESC_QUALIFIER      0x06ul
93 #define DESC_OTHERSPEED     0x07ul
94 #define DESC_IFPOWER        0x08ul
95 #define DESC_OTG            0x09ul
96 #define DESC_BOS            0x0Ful
97 #define DESC_CAPABILITY     0x10ul
98 
99 /* USB Device Capability Type */
100 #define CAP_WIRELESS        0x01ul
101 #define CAP_USB20_EXT       0x02ul
102 
103 /* USB HID Descriptor Type */
104 #define DESC_HID            0x21ul
105 #define DESC_HID_RPT        0x22ul
106 
107 /* USB Descriptor Length */
108 #define LEN_DEVICE          18ul
109 #define LEN_QUALIFIER       10ul
110 #define LEN_CONFIG          9ul
111 #define LEN_INTERFACE       9ul
112 #define LEN_ENDPOINT        7ul
113 #define LEN_OTG             5ul
114 #define LEN_BOS             5ul
115 #define LEN_HID             9ul
116 #define LEN_CCID            0x36ul
117 #define LEN_BOSCAP          7ul
118 
119 /* USB Endpoint Type */
120 #define EP_ISO              0x01
121 #define EP_BULK             0x02
122 #define EP_INT              0x03
123 
124 #define EP_INPUT            0x80
125 #define EP_OUTPUT           0x00
126 
127 /* USB Feature Selector */
128 #define FEATURE_DEVICE_REMOTE_WAKEUP    0x01ul
129 #define FEATURE_ENDPOINT_HALT           0x00ul
130 /** @endcond HIDDEN_SYMBOLS */
131 
132 /******************************************************************************/
133 /*                USB Specific Macros                                         */
134 /******************************************************************************/
135 
136 #define USBD_WAKEUP_EN          USBD_INTEN_WKEN_Msk         /*!< USB Wake-up Enable \hideinitializer */
137 #define USBD_DRVSE0             USBD_SE0_SE0_Msk            /*!< Drive SE0 \hideinitializer */
138 
139 #define USBD_DPPU_EN            USBD_ATTR_DPPUEN_Msk        /*!< USB D+ Pull-up Enable \hideinitializer */
140 #define USBD_PWRDN              USBD_ATTR_PWRDN_Msk         /*!< PHY Turn-On \hideinitializer */
141 #define USBD_PHY_EN             USBD_ATTR_PHYEN_Msk         /*!< PHY Enable \hideinitializer */
142 #define USBD_USB_EN             USBD_ATTR_USBEN_Msk         /*!< USB Enable \hideinitializer */
143 
144 #define USBD_INT_BUS            USBD_INTEN_BUSIEN_Msk       /*!< USB Bus Event Interrupt \hideinitializer */
145 #define USBD_INT_USB            USBD_INTEN_USBIEN_Msk       /*!< USB Event Interrupt \hideinitializer */
146 #define USBD_INT_FLDET          USBD_INTEN_VBDETIEN_Msk     /*!< USB VBUS Detection Interrupt \hideinitializer */
147 #define USBD_INT_WAKEUP         (USBD_INTEN_NEVWKIEN_Msk | USBD_INTEN_WKEN_Msk)     /*!< USB No-Event-Wake-Up Interrupt \hideinitializer */
148 
149 #define USBD_INTSTS_WAKEUP      USBD_INTSTS_NEVWKIF_Msk     /*!< USB No-Event-Wake-Up Interrupt Status \hideinitializer */
150 #define USBD_INTSTS_FLDET       USBD_INTSTS_VBDETIF_Msk     /*!< USB Float Detect Interrupt Status \hideinitializer */
151 #define USBD_INTSTS_BUS         USBD_INTSTS_BUSIF_Msk       /*!< USB Bus Event Interrupt Status \hideinitializer */
152 #define USBD_INTSTS_USB         USBD_INTSTS_USBIF_Msk       /*!< USB Event Interrupt Status \hideinitializer */
153 #define USBD_INTSTS_SETUP       USBD_INTSTS_SETUP_Msk       /*!< USB Setup Event \hideinitializer */
154 #define USBD_INTSTS_EP0         USBD_INTSTS_EPEVT0_Msk      /*!< USB Endpoint 0 Event \hideinitializer */
155 #define USBD_INTSTS_EP1         USBD_INTSTS_EPEVT1_Msk      /*!< USB Endpoint 1 Event \hideinitializer */
156 #define USBD_INTSTS_EP2         USBD_INTSTS_EPEVT2_Msk      /*!< USB Endpoint 2 Event \hideinitializer */
157 #define USBD_INTSTS_EP3         USBD_INTSTS_EPEVT3_Msk      /*!< USB Endpoint 3 Event \hideinitializer */
158 #define USBD_INTSTS_EP4         USBD_INTSTS_EPEVT4_Msk      /*!< USB Endpoint 4 Event \hideinitializer */
159 #define USBD_INTSTS_EP5         USBD_INTSTS_EPEVT5_Msk      /*!< USB Endpoint 5 Event \hideinitializer */
160 #define USBD_INTSTS_EP6         USBD_INTSTS_EPEVT6_Msk      /*!< USB Endpoint 6 Event \hideinitializer */
161 #define USBD_INTSTS_EP7         USBD_INTSTS_EPEVT7_Msk      /*!< USB Endpoint 7 Event \hideinitializer */
162 #define USBD_INTSTS_EP8         USBD_INTSTS_EPEVT8_Msk      /*!< USB Endpoint 8 Event \hideinitializer */
163 #define USBD_INTSTS_EP9         USBD_INTSTS_EPEVT9_Msk      /*!< USB Endpoint 9 Event \hideinitializer */
164 #define USBD_INTSTS_EP10        USBD_INTSTS_EPEVT10_Msk     /*!< USB Endpoint 10 Event \hideinitializer */
165 #define USBD_INTSTS_EP11        USBD_INTSTS_EPEVT11_Msk     /*!< USB Endpoint 11 Event \hideinitializer */
166 
167 #define USBD_STATE_USBRST       USBD_ATTR_USBRST_Msk        /*!< USB Bus Reset \hideinitializer */
168 #define USBD_STATE_SUSPEND      USBD_ATTR_SUSPEND_Msk       /*!< USB Bus Suspend \hideinitializer */
169 #define USBD_STATE_RESUME       USBD_ATTR_RESUME_Msk        /*!< USB Bus Resume \hideinitializer */
170 #define USBD_STATE_TIMEOUT      USBD_ATTR_TOUT_Msk          /*!< USB Bus Timeout \hideinitializer */
171 
172 #define USBD_CFGP_SSTALL        USBD_CFGP_SSTALL_Msk        /*!< Set Stall \hideinitializer */
173 #define USBD_CFG_CSTALL         USBD_CFG_CSTALL_Msk         /*!< Clear Stall \hideinitializer */
174 
175 #define USBD_CFG_EPMODE_DISABLE (0ul << USBD_CFG_STATE_Pos)/*!< Endpoint Disable \hideinitializer */
176 #define USBD_CFG_EPMODE_OUT     (1ul << USBD_CFG_STATE_Pos)/*!< Out Endpoint \hideinitializer */
177 #define USBD_CFG_EPMODE_IN      (2ul << USBD_CFG_STATE_Pos)/*!< In Endpoint \hideinitializer */
178 #define USBD_CFG_TYPE_ISO       (1ul << USBD_CFG_ISOCH_Pos) /*!< Isochronous \hideinitializer */
179 
180 
181 
182 /*@}*/ /* end of group USBD_EXPORTED_CONSTANTS */
183 
184 
185 /** @addtogroup USBD_EXPORTED_FUNCTIONS USBD Exported Functions
186   @{
187 */
188 /**
189   * @brief      Compare two input numbers and return maximum one.
190   *
191   * @param[in]  a   First number to be compared.
192   * @param[in]  b   Second number to be compared.
193   *
194   * @return     Maximum value between a and b.
195   *
196   * @details    If a > b, then return a. Otherwise, return b.
197   * \hideinitializer
198   */
199 #define USBD_Maximum(a,b)        ((a)>(b) ? (a) : (b))
200 
201 
202 /**
203   * @brief      Compare two input numbers and return minimum one
204   *
205   * @param[in]  a   First number to be compared
206   * @param[in]  b   Second number to be compared
207   *
208   * @return     Minimum value between a and b
209   *
210   * @details    If a < b, then return a. Otherwise, return b.
211   * \hideinitializer
212   */
213 #define USBD_Minimum(a,b)        ((a)<(b) ? (a) : (b))
214 
215 
216 /**
217   * @brief    Enable USB
218   *
219   * @param    None
220   *
221   * @return   None
222   *
223   * @details  To set USB ATTR control register to enable USB and PHY.
224   * \hideinitializer
225   */
226 #define USBD_ENABLE_USB()           ((uint32_t)(USBD->ATTR |= 0x7D0))
227 
228 /**
229   * @brief    Disable USB
230   *
231   * @param    None
232   *
233   * @return   None
234   *
235   * @details  To set USB ATTR control register to disable USB.
236   * \hideinitializer
237   */
238 #define USBD_DISABLE_USB()          ((uint32_t)(USBD->ATTR &= ~USBD_USB_EN))
239 
240 /**
241   * @brief    Enable USB PHY
242   *
243   * @param    None
244   *
245   * @return   None
246   *
247   * @details  To set USB ATTR control register to enable USB PHY.
248   * \hideinitializer
249   */
250 #define USBD_ENABLE_PHY()           ((uint32_t)(USBD->ATTR |= USBD_PHY_EN))
251 
252 /**
253   * @brief    Disable USB PHY
254   *
255   * @param    None
256   *
257   * @return   None
258   *
259   * @details  To set USB ATTR control register to disable USB PHY.
260   * \hideinitializer
261   */
262 #define USBD_DISABLE_PHY()          ((uint32_t)(USBD->ATTR &= ~USBD_PHY_EN))
263 
264 /**
265   * @brief    Enable SE0. Force USB PHY transceiver to drive SE0.
266   *
267   * @param    None
268   *
269   * @return   None
270   *
271   * @details  Set DRVSE0 bit of USB_DRVSE0 register to enable software-disconnect function. Force USB PHY transceiver to drive SE0 to bus.
272   * \hideinitializer
273   */
274 #define USBD_SET_SE0()              ((uint32_t)(USBD->SE0 |= USBD_DRVSE0))
275 
276 /**
277   * @brief    Disable SE0
278   *
279   * @param    None
280   *
281   * @return   None
282   *
283   * @details  Clear DRVSE0 bit of USB_DRVSE0 register to disable software-disconnect function.
284   * \hideinitializer
285   */
286 #define USBD_CLR_SE0()              ((uint32_t)(USBD->SE0 &= ~USBD_DRVSE0))
287 
288 /**
289   * @brief       Set USB device address
290   *
291   * @param[in]   addr The USB device address.
292   *
293   * @return      None
294   *
295   * @details     Write USB device address to USB_FADDR register.
296   * \hideinitializer
297   */
298 #define USBD_SET_ADDR(addr)         (USBD->FADDR = (addr))
299 
300 /**
301   * @brief    Get USB device address
302   *
303   * @param    None
304   *
305   * @return   USB device address
306   *
307   * @details  Read USB_FADDR register to get USB device address.
308   * \hideinitializer
309   */
310 #define USBD_GET_ADDR()             ((uint32_t)(USBD->FADDR))
311 
312 /**
313   * @brief      Enable USB interrupt function
314   *
315   * @param[in]  intr The combination of the specified interrupt enable bits.
316   *             Each bit corresponds to a interrupt enable bit.
317   *             This parameter decides which interrupts will be enabled.
318   *             (USBD_INT_WAKEUP, USBD_INT_FLDET, USBD_INT_USB, USBD_INT_BUS)
319   *
320   * @return     None
321   *
322   * @details    Enable USB related interrupt functions specified by intr parameter.
323   * \hideinitializer
324   */
325 #define USBD_ENABLE_INT(intr)       (USBD->INTEN |= (intr))
326 
327 /**
328   * @brief    Get interrupt status
329   *
330   * @param    None
331   *
332   * @return   The value of USB_INTSTS register
333   *
334   * @details  Return all interrupt flags of USB_INTSTS register.
335   * \hideinitializer
336   */
337 #define USBD_GET_INT_FLAG()         ((uint32_t)(USBD->INTSTS))
338 
339 /**
340   * @brief      Clear USB interrupt flag
341   *
342   * @param[in]  flag The combination of the specified interrupt flags.
343   *             Each bit corresponds to a interrupt source.
344   *             This parameter decides which interrupt flags will be cleared.
345   *             (USBD_INTSTS_WAKEUP, USBD_INTSTS_FLDET, USBD_INTSTS_BUS, USBD_INTSTS_USB)
346   *
347   * @return     None
348   *
349   * @details    Clear USB related interrupt flags specified by flag parameter.
350   * \hideinitializer
351   */
352 #define USBD_CLR_INT_FLAG(flag)     (USBD->INTSTS = (flag))
353 
354 /**
355   * @brief    Get endpoint status
356   *
357   * @param    None
358   *
359   * @return   The value of USB_EPSTS register.
360   *
361   * @details  Return all endpoint status.
362   * \hideinitializer
363   */
364 #define USBD_GET_EP_FLAG()          ((uint32_t)(USBD->EPSTS))
365 
366 /**
367   * @brief    Get USB bus state
368   *
369   * @param    None
370   *
371   * @return   The value of USB_ATTR[3:0].
372   *           Bit 0 indicates USB bus reset status.
373   *           Bit 1 indicates USB bus suspend status.
374   *           Bit 2 indicates USB bus resume status.
375   *           Bit 3 indicates USB bus time-out status.
376   *
377   * @details  Return USB_ATTR[3:0] for USB bus events.
378   * \hideinitializer
379   */
380 #define USBD_GET_BUS_STATE()        ((uint32_t)(USBD->ATTR & 0xf))
381 
382 /**
383   * @brief    Check cable connection state
384   *
385   * @param    None
386   *
387   * @retval   0 USB cable is not attached.
388   * @retval   1 USB cable is attached.
389   *
390   * @details  Check the connection state by FLDET bit of USB_FLDET register.
391   * \hideinitializer
392   */
393 #define USBD_IS_ATTACHED()          ((uint32_t)(USBD->VBUSDET & USBD_VBUSDET_VBUSDET_Msk))
394 
395 /**
396   * @brief      Stop USB transaction of the specified endpoint ID
397   *
398   * @param[in]  ep The USB endpoint ID. M480 Series supports 8 hardware endpoint ID. This parameter could be 0 ~ 11.
399   *
400   * @return     None
401   *
402   * @details    Write 1 to CLRRDY bit of USB_CFGPx register to stop USB transaction of the specified endpoint ID.
403   * \hideinitializer
404   */
405 #define USBD_STOP_TRANSACTION(ep)   (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFGP + (uint32_t)((ep) << 4))) |= USBD_CFGP_CLRRDY_Msk)
406 
407 /**
408   * @brief      Set USB DATA1 PID for the specified endpoint ID
409   *
410   * @param[in]  ep The USB endpoint ID. M480 Series supports 8 hardware endpoint ID. This parameter could be 0 ~ 11.
411   *
412   * @return     None
413   *
414   * @details    Set DSQ_SYNC bit of USB_CFGx register to specify the DATA1 PID for the following IN token transaction.
415   *             Base on this setting, hardware will toggle PID between DATA0 and DATA1 automatically for IN token transactions.
416   * \hideinitializer
417   */
418 #define USBD_SET_DATA1(ep)          (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFG + (uint32_t)((ep) << 4))) |= USBD_CFG_DSQSYNC_Msk)
419 
420 /**
421   * @brief      Set USB DATA0 PID for the specified endpoint ID
422   *
423   * @param[in]  ep The USB endpoint ID. M480 Series supports 8 hardware endpoint ID. This parameter could be 0 ~ 11.
424   *
425   * @return     None
426   *
427   * @details    Clear DSQ_SYNC bit of USB_CFGx register to specify the DATA0 PID for the following IN token transaction.
428   *             Base on this setting, hardware will toggle PID between DATA0 and DATA1 automatically for IN token transactions.
429   * \hideinitializer
430   */
431 #define USBD_SET_DATA0(ep)          (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFG + (uint32_t)((ep) << 4))) &= (~USBD_CFG_DSQSYNC_Msk))
432 
433 /**
434   * @brief      Set USB payload size (IN data)
435   *
436   * @param[in]  ep The USB endpoint ID. M480 Series supports 8 hardware endpoint ID. This parameter could be 0 ~ 11.
437   *
438   * @param[in]  size The transfer length.
439   *
440   * @return     None
441   *
442   * @details    This macro will write the transfer length to USB_MXPLDx register for IN data transaction.
443   * \hideinitializer
444   */
445 #define USBD_SET_PAYLOAD_LEN(ep, size)  (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].MXPLD + (uint32_t)((ep) << 4))) = (size))
446 
447 /**
448   * @brief      Get USB payload size (OUT data)
449   *
450   * @param[in]  ep The USB endpoint ID. M480 Series supports 8 endpoint ID. This parameter could be 0 ~ 11.
451   *
452   * @return     The value of USB_MXPLDx register.
453   *
454   * @details    Get the data length of OUT data transaction by reading USB_MXPLDx register.
455   * \hideinitializer
456   */
457 #define USBD_GET_PAYLOAD_LEN(ep)        ((uint32_t)*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].MXPLD + (uint32_t)((ep) << 4))))
458 
459 /**
460   * @brief      Configure endpoint
461   *
462   * @param[in]  ep The USB endpoint ID. M480 Series supports 8 hardware endpoint ID. This parameter could be 0 ~ 11.
463   *
464   * @param[in]  config The USB configuration.
465   *
466   * @return     None
467   *
468   * @details    This macro will write config parameter to USB_CFGx register of specified endpoint ID.
469   * \hideinitializer
470   */
471 #define USBD_CONFIG_EP(ep, config)      (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFG + (uint32_t)((ep) << 4))) = (config))
472 
473 /**
474   * @brief      Set USB endpoint buffer
475   *
476   * @param[in]  ep The USB endpoint ID. M480 Series supports 8 hardware endpoint ID. This parameter could be 0 ~ 11.
477   *
478   * @param[in]  offset The SRAM offset.
479   *
480   * @return     None
481   *
482   * @details    This macro will set the SRAM offset for the specified endpoint ID.
483   * \hideinitializer
484   */
485 #define USBD_SET_EP_BUF_ADDR(ep, offset)    (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].BUFSEG + (uint32_t)((ep) << 4))) = (offset))
486 
487 /**
488   * @brief      Get the offset of the specified USB endpoint buffer
489   *
490   * @param[in]  ep The USB endpoint ID. M480 Series supports 8 hardware endpoint ID. This parameter could be 0 ~ 11.
491   *
492   * @return     The offset of the specified endpoint buffer.
493   *
494   * @details    This macro will return the SRAM offset of the specified endpoint ID.
495   * \hideinitializer
496   */
497 #define USBD_GET_EP_BUF_ADDR(ep)        ((uint32_t)*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].BUFSEG + (uint32_t)((ep) << 4))))
498 
499 /**
500   * @brief       Set USB endpoint stall state
501   *
502   * @param[in]   ep  The USB endpoint ID. M480 Series supports 8 hardware endpoint ID. This parameter could be 0 ~ 11.
503   *
504   * @return      None
505   *
506   * @details     Set USB endpoint stall state for the specified endpoint ID. Endpoint will respond STALL token automatically.
507   * \hideinitializer
508   */
509 #define USBD_SET_EP_STALL(ep)        (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0ul].CFGP + (uint32_t)((ep) << 4))) |= USBD_CFGP_SSTALL_Msk)
510 
511 /**
512   * @brief       Clear USB endpoint stall state
513   *
514   * @param[in]   ep  The USB endpoint ID. M480 Series supports 8 hardware endpoint ID. This parameter could be 0 ~ 11.
515   *
516   * @return      None
517   *
518   * @details     Clear USB endpoint stall state for the specified endpoint ID. Endpoint will respond ACK/NAK token.
519   * \hideinitializer
520   */
521 #define USBD_CLR_EP_STALL(ep)        (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFGP + (uint32_t)((ep) << 4))) &= ~USBD_CFGP_SSTALL_Msk)
522 
523 /**
524   * @brief       Get USB endpoint stall state
525   *
526   * @param[in]   ep  The USB endpoint ID. M480 Series supports 8 hardware endpoint ID. This parameter could be 0 ~ 11.
527   *
528   * @retval      0      USB endpoint is not stalled.
529   * @retval      Others USB endpoint is stalled.
530   *
531   * @details     Get USB endpoint stall state of the specified endpoint ID.
532   * \hideinitializer
533   */
534 #define USBD_GET_EP_STALL(ep)        (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFGP + (uint32_t)((ep) << 4))) & USBD_CFGP_SSTALL_Msk)
535 
536 /**
537   * @brief      To support byte access between USB SRAM and system SRAM
538   *
539   * @param[in]  dest Destination pointer.
540   *
541   * @param[in]  src  Source pointer.
542   *
543   * @param[in]  size Byte count.
544   *
545   * @return     None
546   *
547   * @details    This function will copy the number of data specified by size and src parameters to the address specified by dest parameter.
548   *
549   */
USBD_MemCopy(uint8_t dest[],uint8_t src[],uint32_t size)550 __STATIC_INLINE void USBD_MemCopy(uint8_t dest[], uint8_t src[], uint32_t size)
551 {
552     uint32_t volatile i=0ul;
553 
554     while(size--)
555     {
556         dest[i] = src[i];
557         i++;
558     }
559 }
560 
561 /**
562   * @brief       Set USB endpoint stall state
563   *
564   * @param[in]   epnum  USB endpoint number
565   *
566   * @return      None
567   *
568   * @details     Set USB endpoint stall state. Endpoint will respond STALL token automatically.
569   *
570   */
USBD_SetStall(uint8_t epnum)571 __STATIC_INLINE void USBD_SetStall(uint8_t epnum)
572 {
573     uint32_t u32CfgAddr;
574     uint32_t u32Cfg;
575     uint32_t i;
576 
577     for(i = 0ul; i < USBD_MAX_EP; i++)
578     {
579         u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFG; /* USBD_CFG0 */
580         u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
581 
582         if((u32Cfg & 0xful) == epnum)
583         {
584             u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFGP; /* USBD_CFGP0 */
585             u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
586 
587             *((__IO uint32_t *)(u32CfgAddr)) = (u32Cfg | USBD_CFGP_SSTALL);
588             break;
589         }
590     }
591 }
592 
593 /**
594   * @brief       Clear USB endpoint stall state
595   *
596   * @param[in]   epnum  USB endpoint number
597   *
598   * @return      None
599   *
600   * @details     Clear USB endpoint stall state. Endpoint will respond ACK/NAK token.
601   */
USBD_ClearStall(uint8_t epnum)602 __STATIC_INLINE void USBD_ClearStall(uint8_t epnum)
603 {
604     uint32_t u32CfgAddr;
605     uint32_t u32Cfg;
606     uint32_t i;
607 
608     for(i = 0ul; i < USBD_MAX_EP; i++)
609     {
610         u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFG; /* USBD_CFG0 */
611         u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
612 
613         if((u32Cfg & 0xful) == epnum)
614         {
615             u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFGP; /* USBD_CFGP0 */
616             u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
617 
618             *((__IO uint32_t *)(u32CfgAddr)) = (u32Cfg & ~USBD_CFGP_SSTALL);
619             break;
620         }
621     }
622 }
623 
624 /**
625   * @brief       Get USB endpoint stall state
626   *
627   * @param[in]   epnum  USB endpoint number
628   *
629   * @retval      0      USB endpoint is not stalled.
630   * @retval      Others USB endpoint is stalled.
631   *
632   * @details     Get USB endpoint stall state.
633   *
634   */
USBD_GetStall(uint8_t epnum)635 __STATIC_INLINE uint32_t USBD_GetStall(uint8_t epnum)
636 {
637     uint32_t u32CfgAddr;
638     uint32_t u32Cfg;
639     uint32_t i;
640 
641     for(i = 0ul; i < USBD_MAX_EP; i++)
642     {
643         u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFG; /* USBD_CFG0 */
644         u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
645 
646         if((u32Cfg & 0xful) == epnum)
647         {
648             u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFGP; /* USBD_CFGP0 */
649             break;
650         }
651     }
652 
653     return ((*((__IO uint32_t *)(u32CfgAddr))) & USBD_CFGP_SSTALL);
654 }
655 
656 
657 extern volatile uint8_t g_usbd_RemoteWakeupEn;
658 
659 
660 typedef void (*VENDOR_REQ)(void);           /*!< Functional pointer type definition for Vendor class */
661 typedef void (*CLASS_REQ)(void);            /*!< Functional pointer type declaration for USB class request callback handler */
662 typedef void (*SET_INTERFACE_REQ)(uint32_t u32AltInterface);    /*!< Functional pointer type declaration for USB set interface request callback handler */
663 typedef void (*SET_CONFIG_CB)(void);       /*!< Functional pointer type declaration for USB set configuration request callback handler */
664 
665 
666 /*--------------------------------------------------------------------*/
667 void USBD_Open(const S_USBD_INFO_T *param, CLASS_REQ pfnClassReq, SET_INTERFACE_REQ pfnSetInterface);
668 void USBD_Start(void);
669 void USBD_GetSetupPacket(uint8_t *buf);
670 void USBD_ProcessSetupPacket(void);
671 void USBD_StandardRequest(void);
672 void USBD_PrepareCtrlIn(uint8_t pu8Buf[], uint32_t u32Size);
673 void USBD_CtrlIn(void);
674 void USBD_PrepareCtrlOut(uint8_t *pu8Buf, uint32_t u32Size);
675 void USBD_CtrlOut(void);
676 void USBD_SwReset(void);
677 void USBD_SetVendorRequest(VENDOR_REQ pfnVendorReq);
678 void USBD_SetConfigCallback(SET_CONFIG_CB pfnSetConfigCallback);
679 void USBD_LockEpStall(uint32_t u32EpBitmap);
680 
681 /*@}*/ /* end of group USBD_EXPORTED_FUNCTIONS */
682 
683 /*@}*/ /* end of group USBD_Driver */
684 
685 /*@}*/ /* end of group Standard_Driver */
686 
687 #ifdef __cplusplus
688 }
689 #endif
690 
691 #endif /*__USBD_H__*/
692 
693 /*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/
694