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
|
/**
******************************************************************************
* @file stm32l1xx_hal_pcd_ex.c
* @author MCD Application Team
* @version V1.0.0
* @date 5-September-2014
* @brief Extended PCD HAL module driver.
* This file provides firmware functions to manage the following
* functionalities of the USB Peripheral Controller:
* + Configururation of the PMA for EP
*
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of STMicroelectronics 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 HOLDER 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.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32l1xx_hal.h"
/** @addtogroup STM32L1xx_HAL_Driver
* @{
*/
/** @defgroup PCDEx PCDEx
* @brief PCDEx HAL module driver
* @{
*/
#ifdef HAL_PCD_MODULE_ENABLED
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions
* @{
*/
/*
@verbatim
===============================================================================
##### Peripheral extended features functions #####
===============================================================================
@endverbatim
* @{
*/
/**
* @brief Configure PMA for EP
* @param hpcd : Device instance
* @param ep_addr: endpoint address
* @param ep_kind: endpoint Kind
* USB_SNG_BUF: Single Buffer used
* USB_DBL_BUF: Double Buffer used
* @param pmaadress: EP address in The PMA: In case of single buffer endpoint
* this parameter is 16-bit value providing the address
* in PMA allocated to endpoint.
* In case of double buffer endpoint this parameter
* is a 32-bit value providing the endpoint buffer 0 address
* in the LSB part of 32-bit value and endpoint buffer 1 address
* in the MSB part of 32-bit value.
* @retval : status
*/
HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd,
uint16_t ep_addr,
uint16_t ep_kind,
uint32_t pmaadress)
{
PCD_EPTypeDef *ep;
/* initialize ep structure*/
if ((0x80 & ep_addr) == 0x80)
{
ep = &hpcd->IN_ep[ep_addr & 0x7F];
}
else
{
ep = &hpcd->OUT_ep[ep_addr];
}
/* Here we check if the endpoint is single or double Buffer*/
if (ep_kind == PCD_SNG_BUF)
{
/*Single Buffer*/
ep->doublebuffer = 0;
/*Configure te PMA*/
ep->pmaadress = (uint16_t)pmaadress;
}
else /*USB_DBL_BUF*/
{
/*Double Buffer Endpoint*/
ep->doublebuffer = 1;
/*Configure the PMA*/
ep->pmaaddr0 = pmaadress & 0xFFFF;
ep->pmaaddr1 = (pmaadress & 0xFFFF0000) >> 16;
}
return HAL_OK;
}
/**
* @}
*/
#endif /* HAL_PCD_MODULE_ENABLED */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
