1 /* This tests focuses on code coverage of ux_host_class_hid_keyboard_callback.   */
2 
3 #include <stdio.h>
4 #include "tx_api.h"
5 #include "ux_api.h"
6 #include "ux_system.h"
7 #include "ux_utility.h"
8 #include "ux_host_class_hid.h"
9 #include "ux_host_class_hid_keyboard.h"
10 #include "ux_device_class_hid.h"
11 #include "ux_device_stack.h"
12 #include "usbx_test_common_hid.h"
13 
14 /* Define constants.  */
15 #define                             UX_DEMO_DEBUG_SIZE  (4096*8)
16 #define                             UX_DEMO_STACK_SIZE  1024
17 #define                             UX_DEMO_BUFFER_SIZE 2048
18 #define                             UX_DEMO_RECEPTION_BUFFER_SIZE 512
19 #define                             UX_DEMO_XMIT_BUFFER_SIZE 512
20 #define                             UX_DEMO_RECEPTION_BLOCK_SIZE 64
21 
22 /* Define local/extern function prototypes.  */
23 static void                         demo_thread_entry(ULONG);
24 static UINT                         demo_thread_hid_callback(UX_SLAVE_CLASS_HID *, UX_SLAVE_CLASS_HID_EVENT *);
25 static TX_THREAD                    tx_demo_thread_host_simulation;
26 static TX_THREAD                    tx_demo_thread_slave_simulation;
27 static void                         tx_demo_thread_host_simulation_entry(ULONG);
28 static void                         tx_demo_thread_slave_simulation_entry(ULONG);
29 
30 
31 /* Define global data structures.  */
32 static ULONG                               error_counter;
33 static TX_THREAD                           demo_thread;
34 static UX_HOST_CLASS                       *class_driver;
35 static ULONG                               class_driver_index;
36 static UX_HOST_CLASS_HID                   *hid;
37 static UX_HOST_CLASS_HID_CLIENT            *hid_client;
38 static UX_HOST_CLASS_HID_KEYBOARD          *keyboard;
39 static UINT                                status;
40 static UINT                                transfer_completed;
41 static ULONG                               requested_length;
42 static TX_SEMAPHORE                        demo_semaphore;
43 
44 static ULONG                               keyboard_char;
45 static ULONG                               keyboard_state;
46 static UCHAR                               keyboard_queue[1024];
47 static ULONG                               keyboard_queue_index;
48 
49 static UX_SLAVE_CLASS_HID_PARAMETER        hid_parameter;
50 
51 static UCHAR hid_keyboard_report[] = {
52 
53     0x05, 0x01,                    // USAGE_PAGE (Generic Desktop)
54     0x09, 0x06,                    // USAGE (Keyboard)
55     0xa1, 0x01,                    // COLLECTION (Application)
56     0x05, 0x07,                    //   USAGE_PAGE (Keyboard)
57     0x19, 0xe0,                    //   USAGE_MINIMUM (Keyboard LeftControl)
58     0x29, 0xe7,                    //   USAGE_MAXIMUM (Keyboard Right GUI)
59     0x15, 0x00,                    //   LOGICAL_MINIMUM (0)
60     0x25, 0x01,                    //   LOGICAL_MAXIMUM (1)
61     0x75, 0x01,                    //   REPORT_SIZE (1)
62     0x95, 0x08,                    //   REPORT_COUNT (8)
63     0x81, 0x02,                    //   INPUT (Data,Var,Abs)
64     0x09, 0x39,                    //   USAGE (Caps Lock)
65     0x09, 0x53,                    //   USAGE (Num Lock)
66     0x09, 0x47,                    //   USAGE (Scroll Lock)
67     0x75, 0x01,                    //   REPORT_SIZE (1)
68     0x95, 0x03,                    //   REPORT_COUNT (3)
69     0x81, 0x02,                    //   INPUT (Data,Var,Abs)
70     0x95, 0x01,                    //   REPORT_COUNT (1)
71     0x75, 0x05,                    //   REPORT_SIZE (5)
72     0x81, 0x03,                    //   INPUT (Cnst,Var,Abs)
73     0x95, 0x05,                    //   REPORT_COUNT (5)
74     0x75, 0x01,                    //   REPORT_SIZE (1)
75     0x05, 0x08,                    //   USAGE_PAGE (LEDs)
76     0x19, 0x01,                    //   USAGE_MINIMUM (Num Lock)
77     0x29, 0x05,                    //   USAGE_MAXIMUM (Kana)
78     0x91, 0x02,                    //   OUTPUT (Data,Var,Abs)
79     0x95, 0x01,                    //   REPORT_COUNT (1)
80     0x75, 0x03,                    //   REPORT_SIZE (3)
81     0x91, 0x03,                    //   OUTPUT (Cnst,Var,Abs)
82     0x95, 0x06,                    //   REPORT_COUNT (6)
83     0x75, 0x08,                    //   REPORT_SIZE (8)
84     0x15, 0x00,                    //   LOGICAL_MINIMUM (0)
85     0x25, 0x65,                    //   LOGICAL_MAXIMUM (101)
86     0x05, 0x07,                    //   USAGE_PAGE (Keyboard)
87     0x19, 0x00,                    //   USAGE_MINIMUM (Reserved (no event indicated))
88     0x29, 0x65,                    //   USAGE_MAXIMUM (Keyboard Application)
89     0x81, 0x00,                    //   INPUT (Data,Ary,Abs)
90     0xc0                           // END_COLLECTION
91 };
92 #define HID_KEYBOARD_REPORT_LENGTH (sizeof(hid_keyboard_report)/sizeof(hid_keyboard_report)[0])
93 
94 
95 #define DEVICE_FRAMEWORK_LENGTH_FULL_SPEED 52
96 static UCHAR device_framework_full_speed[] = {
97 
98     /* Device descriptor */
99         0x12, 0x01, 0x10, 0x01, 0x00, 0x00, 0x00, 0x08,
100         0x81, 0x0A, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00,
101         0x00, 0x01,
102 
103     /* Configuration descriptor */
104         0x09, 0x02, 0x22, 0x00, 0x01, 0x01, 0x00, 0xc0,
105         0x32,
106 
107     /* Interface descriptor */
108         0x09, 0x04, 0x02, 0x00, 0x01, 0x03, 0x00, 0x00,
109         0x00,
110 
111     /* HID descriptor */
112         0x09, 0x21, 0x10, 0x01, 0x21, 0x01, 0x22, LSB(HID_KEYBOARD_REPORT_LENGTH),
113         MSB(HID_KEYBOARD_REPORT_LENGTH),
114 
115     /* Endpoint descriptor (Interrupt) */
116         0x07, 0x05, 0x82, 0x03, 0x08, 0x00, 0x08
117 
118     };
119 
120 
121 #define DEVICE_FRAMEWORK_LENGTH_HIGH_SPEED 62
122 static UCHAR device_framework_high_speed[] = {
123 
124     /* Device descriptor */
125         0x12, 0x01, 0x00, 0x02, 0x00, 0x00, 0x00, 0x40,
126         0x0a, 0x07, 0x25, 0x40, 0x01, 0x00, 0x01, 0x02,
127         0x03, 0x01,
128 
129     /* Device qualifier descriptor */
130         0x0a, 0x06, 0x00, 0x02, 0x00, 0x00, 0x00, 0x40,
131         0x01, 0x00,
132 
133     /* Configuration descriptor */
134         0x09, 0x02, 0x22, 0x00, 0x01, 0x01, 0x00, 0xc0,
135         0x32,
136 
137     /* Interface descriptor */
138         0x09, 0x04, 0x02, 0x00, 0x01, 0x03, 0x00, 0x00,
139         0x00,
140 
141     /* HID descriptor */
142         0x09, 0x21, 0x10, 0x01, 0x21, 0x01, 0x22, LSB(HID_KEYBOARD_REPORT_LENGTH),
143         MSB(HID_KEYBOARD_REPORT_LENGTH),
144 
145     /* Endpoint descriptor (Interrupt) */
146         0x07, 0x05, 0x82, 0x03, 0x08, 0x00, 0x08
147 
148     };
149 
150 
151     /* String Device Framework :
152      Byte 0 and 1 : Word containing the language ID : 0x0904 for US
153      Byte 2       : Byte containing the index of the descriptor
154      Byte 3       : Byte containing the length of the descriptor string
155     */
156 
157 #define STRING_FRAMEWORK_LENGTH 40
158 static UCHAR string_framework[] = {
159 
160     /* Manufacturer string descriptor : Index 1 */
161         0x09, 0x04, 0x01, 0x0c,
162         0x45, 0x78, 0x70, 0x72,0x65, 0x73, 0x20, 0x4c,
163         0x6f, 0x67, 0x69, 0x63,
164 
165     /* Product string descriptor : Index 2 */
166         0x09, 0x04, 0x02, 0x0c,
167         0x55, 0x53, 0x42, 0x20, 0x4b, 0x65, 0x79, 0x62,
168         0x6f, 0x61, 0x72, 0x64,
169 
170     /* Serial Number string descriptor : Index 3 */
171         0x09, 0x04, 0x03, 0x04,
172         0x30, 0x30, 0x30, 0x31
173     };
174 
175 
176     /* Multiple languages are supported on the device, to add
177        a language besides english, the unicode language code must
178        be appended to the language_id_framework array and the length
179        adjusted accordingly. */
180 #define LANGUAGE_ID_FRAMEWORK_LENGTH 2
181 static UCHAR language_id_framework[] = {
182 
183     /* English. */
184         0x09, 0x04
185     };
186 
187 
188 
189 /* Define the ISR dispatch.  */
190 
191 extern VOID    (*test_isr_dispatch)(void);
192 
193 
194 /* Prototype for test control return.  */
195 
196 void  test_control_return(UINT status);
197 
198 
199 /* Define the ISR dispatch routine.  */
200 
test_isr(void)201 static void    test_isr(void)
202 {
203 
204     /* For further expansion of interrupt-level testing.  */
205 }
206 
207 
208 
error_callback(UINT system_level,UINT system_context,UINT error_code)209 static VOID error_callback(UINT system_level, UINT system_context, UINT error_code)
210 {
211 
212     /* @BUG_FIX_PENDING: ux_dcd_sim_slave_function.c doesn't support transfer aborts, which happen during device unregistration of a class. */
213     if (error_code != UX_FUNCTION_NOT_SUPPORTED)
214     {
215 
216         /* Failed test.  */
217         printf("Error on line %d, system_level: %d, system_context: %d, error code: %d\n", __LINE__, system_level, system_context, error_code);
218         test_control_return(1);
219     }
220 }
221 
222 /* Define what the initial system looks like.  */
223 
224 #ifdef CTEST
test_application_define(void * first_unused_memory)225 void test_application_define(void *first_unused_memory)
226 #else
227 void    usbx_hid_keyboard_callback_test_application_define(void *first_unused_memory)
228 #endif
229 {
230 
231 UINT status;
232 CHAR *                          stack_pointer;
233 CHAR *                          memory_pointer;
234 UINT                            descriptor_size = HID_KEYBOARD_REPORT_LENGTH;
235 
236     /* Inform user.  */
237     printf("Running HID Keyboard Callback Test.................................. ");
238 
239     /* Initialize the free memory pointer */
240     stack_pointer = (CHAR *) usbx_memory;
241     memory_pointer = stack_pointer + (UX_DEMO_STACK_SIZE * 2);
242 
243     /* Initialize USBX. Memory */
244     status = ux_system_initialize(memory_pointer, UX_DEMO_MEMORY_SIZE, UX_NULL,0);
245 
246     /* Check for error.  */
247     if (status != UX_SUCCESS)
248     {
249 
250         printf("Error on line %d, error code: %d\n", __LINE__, status);
251         test_control_return(1);
252     }
253 
254     /* Register the error callback. */
255     _ux_utility_error_callback_register(error_callback);
256 
257     /* The code below is required for installing the host portion of USBX */
258     status =  ux_host_stack_initialize(UX_NULL);
259     if (status != UX_SUCCESS)
260     {
261 
262         printf("Error on line %d, error code: %d\n", __LINE__, status);
263         test_control_return(1);
264     }
265 
266     status =  ux_host_stack_class_register(_ux_system_host_class_hid_name, ux_host_class_hid_entry);
267     if (status != UX_SUCCESS)
268     {
269 
270         printf("Error on line %d, error code: %d\n", __LINE__, status);
271         test_control_return(1);
272     }
273 
274     /* Register the HID client(s).  */
275     status =  ux_host_class_hid_client_register(_ux_system_host_class_hid_client_keyboard_name, ux_host_class_hid_keyboard_entry);
276     if (status != UX_SUCCESS)
277     {
278 
279         printf("Error on line %d, error code: %d\n", __LINE__, status);
280         test_control_return(1);
281     }
282 
283     /* The code below is required for installing the device portion of USBX. No call back for
284        device status change in this example. */
285     status =  ux_device_stack_initialize(device_framework_high_speed, DEVICE_FRAMEWORK_LENGTH_HIGH_SPEED,
286                                        device_framework_full_speed, DEVICE_FRAMEWORK_LENGTH_FULL_SPEED,
287                                        string_framework, STRING_FRAMEWORK_LENGTH,
288                                        language_id_framework, LANGUAGE_ID_FRAMEWORK_LENGTH,UX_NULL);
289     if(status!=UX_SUCCESS)
290     {
291 
292         printf("Error on line %d, error code: %d\n", __LINE__, status);
293         test_control_return(1);
294     }
295 
296     /* Initialize the hid class parameters for a keyboard.  */
297     hid_parameter.ux_device_class_hid_parameter_report_address = hid_keyboard_report;
298     hid_parameter.ux_device_class_hid_parameter_report_length  = HID_KEYBOARD_REPORT_LENGTH;
299     hid_parameter.ux_device_class_hid_parameter_callback       = demo_thread_hid_callback;
300 
301     /* Initilize the device hid class. The class is connected with interface 2 */
302     status =  ux_device_stack_class_register(_ux_system_slave_class_hid_name, ux_device_class_hid_entry,
303                                                 1,2, (VOID *)&hid_parameter);
304     if(status!=UX_SUCCESS)
305     {
306 
307         printf("Error on line %d, error code: %d\n", __LINE__, status);
308         test_control_return(1);
309     }
310 
311 
312     /* Initialize the simulated device controller.  */
313     status =  _ux_dcd_sim_slave_initialize();
314 
315     /* Check for error.  */
316     if (status != UX_SUCCESS)
317     {
318 
319         printf("Error on line %d, error code: %d\n", __LINE__, status);
320         test_control_return(1);
321     }
322 
323     /* Register all the USB host controllers available in this system */
324     status =  ux_host_stack_hcd_register(_ux_system_host_hcd_simulator_name, ux_hcd_sim_host_initialize,0,0);
325 
326     /* Check for error.  */
327     if (status != UX_SUCCESS)
328     {
329 
330         printf("Error on line %d, error code: %d\n", __LINE__, status);
331         test_control_return(1);
332     }
333 
334     /* Create the main host simulation thread.  */
335     status =  tx_thread_create(&tx_demo_thread_host_simulation, "tx demo host simulation", tx_demo_thread_host_simulation_entry, 0,
336             stack_pointer, UX_DEMO_STACK_SIZE,
337             20, 20, 1, TX_AUTO_START);
338 
339     /* Check for error.  */
340     if (status != TX_SUCCESS)
341     {
342 
343         printf("Error on line %d, error code: %d\n", __LINE__, status);
344         test_control_return(1);
345     }
346 
347     /* Create the main demo thread.  */
348     status =  tx_thread_create(&tx_demo_thread_slave_simulation, "tx demo slave simulation", tx_demo_thread_slave_simulation_entry, 0,
349             stack_pointer + UX_DEMO_STACK_SIZE, UX_DEMO_STACK_SIZE,
350             20, 20, 1, TX_AUTO_START);
351 
352     /* Check for error.  */
353     if (status != TX_SUCCESS)
354     {
355 
356         printf("Error on line %d, error code: %d\n", __LINE__, status);
357         test_control_return(1);
358     }
359 
360 }
361 
362 
tx_demo_thread_host_simulation_entry(ULONG arg)363 static void  tx_demo_thread_host_simulation_entry(ULONG arg)
364 {
365 
366 UINT    status;
367 UINT    max_hid_loop;
368 
369     /* Initialize max loop value.  */
370     max_hid_loop = 2*UX_HOST_CLASS_HID_KEYBOARD_USAGE_ARRAY_LENGTH;
371 
372     /* Find the HID class */
373     status =  demo_class_hid_get();
374     if (status != UX_SUCCESS)
375     {
376 
377         printf("Error on line %d, error code: %d\n", __LINE__, status);
378         test_control_return(1);
379     }
380 
381     /* Get the HID client */
382     hid_client = hid -> ux_host_class_hid_client;
383 
384     /* Check if the instance of the keyboard is live */
385     while (hid_client -> ux_host_class_hid_client_local_instance == UX_NULL)
386         tx_thread_sleep(10);
387 
388     /* Get the keyboard instance */
389     keyboard =  (UX_HOST_CLASS_HID_KEYBOARD *)hid_client -> ux_host_class_hid_client_local_instance;
390 
391     /* Init the keyboard queue index.  */
392     keyboard_queue_index = 0;
393 
394     while (max_hid_loop--)
395     {
396         /* Get a key/state from the keyboard.  */
397         status = ux_host_class_hid_keyboard_key_get(keyboard, &keyboard_char, &keyboard_state);
398 
399         /* Check if there is something.  */
400         if (status == UX_SUCCESS)
401         {
402             /* We have a character in the queue.  */
403             keyboard_queue[keyboard_queue_index] = (UCHAR) keyboard_char;
404 
405             /* Can we accept more ?  */
406             if(keyboard_queue_index < 1024)
407                 keyboard_queue_index++;
408 
409         }
410 
411         tx_thread_sleep(10);
412     }
413 
414     /* Now disconnect the device.  */
415     _ux_device_stack_disconnect();
416 
417     /* And deinitialize the class.  */
418     status =  ux_device_stack_class_unregister(_ux_system_slave_class_hid_name, ux_device_class_hid_entry);
419 
420     /* Deinitialize the device side of usbx.  */
421     _ux_device_stack_uninitialize();
422 
423     /* And finally the usbx system resources.  */
424     _ux_system_uninitialize();
425 
426     /* Successful test.  */
427     printf("SUCCESS!\n");
428     test_control_return(0);
429 }
430 
demo_thread_hid_callback(UX_SLAVE_CLASS_HID * class,UX_SLAVE_CLASS_HID_EVENT * event)431 static UINT    demo_thread_hid_callback(UX_SLAVE_CLASS_HID *class, UX_SLAVE_CLASS_HID_EVENT *event)
432 {
433     return(UX_SUCCESS);
434 }
435 
tx_demo_thread_slave_simulation_entry(ULONG arg)436 static void  tx_demo_thread_slave_simulation_entry(ULONG arg)
437 {
438 
439 UX_SLAVE_DEVICE                 *device;
440 UX_SLAVE_INTERFACE              *interface;
441 UX_SLAVE_CLASS_HID              *hid;
442 UX_SLAVE_CLASS_HID_EVENT        hid_event;
443 UCHAR                           key1;
444 UCHAR                           key2;
445 
446     /* Get the pointer to the device.  */
447     device =  &_ux_system_slave -> ux_system_slave_device;
448 
449     /* Set the first key to 'a' which is 04.  */
450     key1 = 0x04;
451 
452     /* Set the second key to the first keypad key. */
453     key2 = 0x54;
454 
455     /* reset the HID event structure.  */
456     ux_utility_memory_set(&hid_event, 0, sizeof(UX_SLAVE_CLASS_HID_EVENT));
457 
458     /* First byte is a modifier byte.  */
459     hid_event.ux_device_class_hid_event_buffer[0] = 0xff;
460 
461     /* Second byte is part modifier and part padding. */
462     hid_event.ux_device_class_hid_event_buffer[1] = 0xff;
463 
464     while(1)
465     {
466 
467         /* Is the device configured ? */
468         while (device -> ux_slave_device_state != UX_DEVICE_CONFIGURED)
469 
470             /* Then wait.  */
471             tx_thread_sleep(10);
472 
473         /* Until the device stays configured.  */
474         while (device -> ux_slave_device_state == UX_DEVICE_CONFIGURED)
475         {
476 
477             /* Get the interface.  We use the first interface, this is a simple device.  */
478             interface =  device -> ux_slave_device_first_interface;
479 
480             /* Form that interface, derive the HID owner.  */
481             hid = interface -> ux_slave_interface_class_instance;
482 
483             /* Wait for 2 seconds. */
484             ux_utility_thread_sleep(20);
485 
486             /* Then insert a key into the keyboard event.  Length is fixed to 8.  */
487             hid_event.ux_device_class_hid_event_length = 8;
488 
489             /* Toggle first and second byte.  */
490             hid_event.ux_device_class_hid_event_buffer[0] ^= 0xff;
491             hid_event.ux_device_class_hid_event_buffer[1] ^= 0xff;
492 
493             /* The 6 next bytes are keys. We only have two keys here.  */
494             hid_event.ux_device_class_hid_event_buffer[2] = key1;
495             hid_event.ux_device_class_hid_event_buffer[3] = key2;
496 
497             /* Set the keyboard event.  */
498             ux_device_class_hid_event_set(hid, &hid_event);
499 
500             /* Next event has the key depressed.  */
501             hid_event.ux_device_class_hid_event_buffer[2] = 0;
502 
503             /* Length is fixed to 8.  */
504             hid_event.ux_device_class_hid_event_length = 8;
505 
506             /* Set the keyboard event.  */
507             ux_device_class_hid_event_set(hid, &hid_event);
508 
509             /* Are we at the end of alphabet?  */
510             if (key1 != (0x04 + 26))
511 
512                 /* Next key.  */
513                 key1++;
514 
515             else
516 
517                 /* Start over again.  */
518                 key1 = 0x04;
519 
520             /* Are we at the end of keypad keys?  */
521             if (key2 != 0x67)
522 
523                 /* Next key.  */
524                 key2++;
525 
526             else
527 
528                 /* Start over again.  */
529                 key2 = 0x54;
530 
531         }
532     }
533 }
534 
535