1
10
13
14
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
116
117
118
119
120
121
122
123
124
125
126
127
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
166
167
168
169
170
171
172
179
180
181
182
183
184
...
...
...
#define UX_SOURCE_CODE
#include "ux_api.h"
#include "ux_device_stack.h"
...
...
UINT _ux_device_stack_clear_feature(ULONG request_type, ULONG request_value, ULONG request_index)
{
UX_SLAVE_DCD *dcd;
UX_SLAVE_DEVICE *device;
UX_SLAVE_INTERFACE *interface;
UX_SLAVE_ENDPOINT *endpoint;
UX_SLAVE_ENDPOINT *endpoint_target;
UX_PARAMETER_NOT_USED(request_value);
UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_STACK_CLEAR_FEATURE, request_type, request_value, request_index, 0, UX_TRACE_DEVICE_STACK_EVENTS, 0, 0)
dcd = &_ux_system_slave -> ux_system_slave_dcd;
device = &_ux_system_slave -> ux_system_slave_device;
endpoint = &device -> ux_slave_device_control_endpoint;
switch (request_type & UX_REQUEST_TARGET)
{
case UX_REQUEST_TARGET_DEVICE:
if (request_value == UX_REQUEST_FEATURE_DEVICE_REMOTE_WAKEUP)
{
if (_ux_system_slave -> ux_system_slave_remote_wakeup_capability)
{
_ux_system_slave -> ux_system_slave_remote_wakeup_enabled = UX_FALSE;
}if (_ux_system_slave -> ux_system_slave_remote_wakeup_capability) { ... }
else
return (UX_FUNCTION_NOT_SUPPORTED);
}if (request_value == UX_REQUEST_FEATURE_DEVICE_REMOTE_WAKEUP) { ... }
break;
case UX_REQUEST_TARGET_DEVICE:
case UX_REQUEST_TARGET_ENDPOINT:
/* ... */
interface = device -> ux_slave_device_first_interface;
#if !defined(UX_DEVICE_INITIALIZE_FRAMEWORK_SCAN_DISABLE) || UX_MAX_DEVICE_INTERFACES > 1
while (interface != UX_NULL)
{
#endif
endpoint_target = interface -> ux_slave_interface_first_endpoint;
while (endpoint_target != UX_NULL)
{
if (endpoint_target -> ux_slave_endpoint_descriptor.bEndpointAddress == request_index)
{
dcd -> ux_slave_dcd_function(dcd, UX_DCD_RESET_ENDPOINT, endpoint_target);
endpoint_target -> ux_slave_endpoint_state = UX_ENDPOINT_RESET;
return(UX_SUCCESS);
}if (endpoint_target -> ux_slave_endpoint_descriptor.bEndpointAddress == request_index) { ... }
endpoint_target = endpoint_target -> ux_slave_endpoint_next_endpoint;
}while (endpoint_target != UX_NULL) { ... }
#if !defined(UX_DEVICE_INITIALIZE_FRAMEWORK_SCAN_DISABLE) || UX_MAX_DEVICE_INTERFACES > 1
interface = interface -> ux_slave_interface_next_interface;
}/* ... */
while (interface != UX_NULL) { ... }#endif
case UX_REQUEST_TARGET_ENDPOINT:
default:
dcd -> ux_slave_dcd_function(dcd, UX_DCD_STALL_ENDPOINT, endpoint);
return(UX_SUCCESS); default
}switch (request_type & UX_REQUEST_TARGET) { ... }
return(UX_SUCCESS);
}{ ... }