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
|
/*
* Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc.
* Copyright 2016 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <usb/include/usb_host_config.h>
#include "usb_host.h"
#include "usb_host_hci.h"
#include "usb_host_devices.h"
#include "usb_host_framework.h"
/*******************************************************************************
* Definitions
******************************************************************************/
/* Component ID definition, used by tools. */
#ifndef FSL_COMPONENT_ID
#define FSL_COMPONENT_ID "middleware.usb.host.fatfs_usb_stack"
#endif
/*******************************************************************************
* Prototypes
******************************************************************************/
/*******************************************************************************
* Variables
******************************************************************************/
/*******************************************************************************
* Code
******************************************************************************/
usb_status_t USB_HostCh9RequestCommon(usb_host_device_instance_t *deviceInstance,
usb_host_transfer_t *transfer,
uint8_t *buffer,
uint32_t bufferLen)
{
/* initialize transfer */
transfer->setupPacket->wLength = USB_SHORT_TO_LITTLE_ENDIAN((uint16_t)bufferLen);
transfer->transferBuffer = buffer;
transfer->transferLength = bufferLen;
if (USB_HostSendSetup(deviceInstance->hostHandle, deviceInstance->controlPipe, transfer) !=
kStatus_USB_Success) /* send setup transfer */
{
#ifdef HOST_ECHO
usb_echo("failed for USB_HostSendSetup\r\n");
#endif
(void)USB_HostFreeTransfer(deviceInstance->hostHandle, transfer);
return kStatus_USB_Error;
}
return kStatus_USB_Success;
}
usb_status_t USB_HostStandardGetStatus(usb_host_device_instance_t *deviceInstance,
usb_host_transfer_t *transfer,
void *param)
{
usb_host_get_status_param_t *statusParam;
uint8_t length;
/* initialize transfer */
statusParam = (usb_host_get_status_param_t *)param;
transfer->setupPacket->bmRequestType = USB_REQUEST_TYPE_DIR_IN | USB_REQUEST_TYPE_TYPE_STANDARD;
if (statusParam->requestType == (uint8_t)kRequestDevice)
{
transfer->setupPacket->bmRequestType |= USB_REQUEST_TYPE_RECIPIENT_DEVICE;
}
else if (statusParam->requestType == (uint8_t)kRequestInterface)
{
transfer->setupPacket->bmRequestType |= USB_REQUEST_TYPE_RECIPIENT_INTERFACE;
}
else
{
transfer->setupPacket->bmRequestType |= USB_REQUEST_TYPE_RECIPIENT_ENDPOINT;
}
transfer->setupPacket->wIndex = USB_SHORT_TO_LITTLE_ENDIAN(statusParam->statusSelector);
length = 2;
if (statusParam->statusSelector == USB_REQUEST_STANDARD_GET_STATUS_OTG_STATUS_SELECTOR)
{
length = 1;
}
return USB_HostCh9RequestCommon(deviceInstance, transfer, statusParam->statusBuffer, length);
}
usb_status_t USB_HostStandardSetClearFeature(usb_host_device_instance_t *deviceInstance,
usb_host_transfer_t *transfer,
void *param)
{
usb_host_process_feature_param_t *featureParam;
/* initialize transfer */
featureParam = (usb_host_process_feature_param_t *)param;
if (featureParam->requestType == (uint8_t)kRequestDevice)
{
transfer->setupPacket->bmRequestType |= USB_REQUEST_TYPE_RECIPIENT_DEVICE;
}
else if (featureParam->requestType == (uint8_t)kRequestInterface)
{
transfer->setupPacket->bmRequestType |= USB_REQUEST_TYPE_RECIPIENT_INTERFACE;
}
else
{
transfer->setupPacket->bmRequestType |= USB_REQUEST_TYPE_RECIPIENT_ENDPOINT;
}
transfer->setupPacket->wValue = USB_SHORT_TO_LITTLE_ENDIAN(featureParam->featureSelector);
transfer->setupPacket->wIndex = USB_SHORT_TO_LITTLE_ENDIAN(featureParam->interfaceOrEndpoint);
return USB_HostCh9RequestCommon(deviceInstance, transfer, NULL, 0);
}
usb_status_t USB_HostStandardSetAddress(usb_host_device_instance_t *deviceInstance,
usb_host_transfer_t *transfer,
void *param)
{
uint8_t address;
/* initialize transfer */
address = *(uint8_t *)param;
transfer->setupPacket->wValue = USB_SHORT_TO_LITTLE_ENDIAN(address);
return USB_HostCh9RequestCommon(deviceInstance, transfer, NULL, 0);
}
usb_status_t USB_HostStandardSetGetDescriptor(usb_host_device_instance_t *deviceInstance,
usb_host_transfer_t *transfer,
void *param)
{
usb_host_process_descriptor_param_t *descriptorParam;
/* initialize transfer */
descriptorParam = (usb_host_process_descriptor_param_t *)param;
transfer->setupPacket->wValue = USB_SHORT_TO_LITTLE_ENDIAN(
(uint16_t)((uint16_t)descriptorParam->descriptorType << 8) | descriptorParam->descriptorIndex);
transfer->setupPacket->wIndex = USB_SHORT_TO_LITTLE_ENDIAN(descriptorParam->languageId);
return USB_HostCh9RequestCommon(deviceInstance, transfer, descriptorParam->descriptorBuffer,
descriptorParam->descriptorLength);
}
usb_status_t USB_HostStandardGetInterface(usb_host_device_instance_t *deviceInstance,
usb_host_transfer_t *transfer,
void *param)
{
usb_host_get_interface_param_t *interfaceParam;
/* initialize transfer */
interfaceParam = (usb_host_get_interface_param_t *)param;
transfer->setupPacket->bmRequestType |= USB_REQUEST_TYPE_DIR_IN;
transfer->setupPacket->bmRequestType |= USB_REQUEST_TYPE_RECIPIENT_INTERFACE;
transfer->setupPacket->wIndex = USB_SHORT_TO_LITTLE_ENDIAN(interfaceParam->interface);
return USB_HostCh9RequestCommon(deviceInstance, transfer, interfaceParam->alternateInterfaceBuffer, 1);
}
usb_status_t USB_HostStandardSetInterface(usb_host_device_instance_t *deviceInstance,
usb_host_transfer_t *transfer,
void *param)
{
usb_host_set_interface_param_t *setParam;
/* initialize transfer */
setParam = (usb_host_set_interface_param_t *)param;
transfer->setupPacket->bmRequestType |= USB_REQUEST_TYPE_RECIPIENT_INTERFACE;
transfer->setupPacket->wIndex = USB_SHORT_TO_LITTLE_ENDIAN(setParam->interface);
transfer->setupPacket->wValue = USB_SHORT_TO_LITTLE_ENDIAN(setParam->alternateSetting);
return USB_HostCh9RequestCommon(deviceInstance, transfer, NULL, 0);
}
usb_status_t USB_HostStandardSyncFrame(usb_host_device_instance_t *deviceInstance,
usb_host_transfer_t *transfer,
void *param)
{
usb_host_synch_frame_param_t *frameParam;
/* initialize transfer */
frameParam = (usb_host_synch_frame_param_t *)param;
transfer->setupPacket->bmRequestType |= USB_REQUEST_TYPE_DIR_IN;
transfer->setupPacket->bmRequestType |= USB_REQUEST_TYPE_RECIPIENT_ENDPOINT;
transfer->setupPacket->wIndex = USB_SHORT_TO_LITTLE_ENDIAN(frameParam->endpoint);
return USB_HostCh9RequestCommon(deviceInstance, transfer, frameParam->frameNumberBuffer, 2);
}
usb_status_t USB_HostRequestControl(usb_device_handle deviceHandle,
uint8_t usbRequest,
usb_host_transfer_t *transfer,
void *param)
{
usb_host_device_instance_t *deviceInstance = (usb_host_device_instance_t *)deviceHandle;
usb_status_t status = kStatus_USB_Error;
if (deviceHandle == NULL)
{
return kStatus_USB_InvalidHandle;
}
/* reset transfer fields */
transfer->setupPacket->bmRequestType = 0x00;
transfer->setupPacket->bRequest = usbRequest;
transfer->setupPacket->wIndex = 0;
transfer->setupPacket->wLength = 0;
transfer->setupPacket->wValue = 0;
switch (usbRequest)
{
case USB_REQUEST_STANDARD_GET_STATUS: /* standard get status request */
status = USB_HostStandardGetStatus(deviceInstance, transfer, param);
break;
case USB_REQUEST_STANDARD_CLEAR_FEATURE: /* standard clear status request */
case USB_REQUEST_STANDARD_SET_FEATURE: /* standard set feature request */
status = USB_HostStandardSetClearFeature(deviceInstance, transfer, param);
break;
case USB_REQUEST_STANDARD_SET_ADDRESS: /* standard set address request */
status = USB_HostStandardSetAddress(deviceInstance, transfer, param);
break;
case USB_REQUEST_STANDARD_GET_DESCRIPTOR: /* standard get descriptor request */
case USB_REQUEST_STANDARD_SET_DESCRIPTOR: /* standard set descriptor request */
if (usbRequest == USB_REQUEST_STANDARD_GET_DESCRIPTOR)
{
transfer->setupPacket->bmRequestType |= USB_REQUEST_TYPE_DIR_IN;
}
status = USB_HostStandardSetGetDescriptor(deviceInstance, transfer, param);
break;
case USB_REQUEST_STANDARD_GET_CONFIGURATION: /* standard get configuration descriptor request */
transfer->setupPacket->bmRequestType |= USB_REQUEST_TYPE_DIR_IN;
status =
USB_HostCh9RequestCommon((usb_host_device_instance_t *)deviceHandle, transfer, (uint8_t *)param, 1);
break;
case USB_REQUEST_STANDARD_SET_CONFIGURATION: /* standard set configuration request */
transfer->setupPacket->wValue = USB_SHORT_TO_LITTLE_ENDIAN(*((uint8_t *)param));
status = USB_HostCh9RequestCommon((usb_host_device_instance_t *)deviceHandle, transfer, NULL, 0);
break;
case USB_REQUEST_STANDARD_GET_INTERFACE: /* standard get interface request */
status = USB_HostStandardGetInterface(deviceInstance, transfer, param);
break;
case USB_REQUEST_STANDARD_SET_INTERFACE: /* standard set interface request */
status = USB_HostStandardSetInterface(deviceInstance, transfer, param);
break;
case USB_REQUEST_STANDARD_SYNCH_FRAME: /* standard synch frame request */
status = USB_HostStandardSyncFrame(deviceInstance, transfer, param);
break;
default:
/*no action*/
break;
}
return status;
}
|
