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usbx/test/regression/usbx_class_hid_basic_test.c
CQ Xiao 6ed7092b77
Add regression tests. (#126) 
Add regression tests (auto triggered on PR, manually triggered in forked branch).
2023-11-28 15:50:39 +08:00

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/* This file tests basic HID functionalities. */
#include "usbx_test_common_hid.h"
#define DUMMY_USBX_MEMORY_SIZE (64*1024)
static UCHAR dummy_usbx_memory[DUMMY_USBX_MEMORY_SIZE];
static UCHAR hid_keyboard_report[] = {
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x06, // USAGE (Keyboard)
0xa1, 0x01, // COLLECTION (Application)
0x05, 0x07, // USAGE_PAGE (Keyboard)
0x19, 0xe0, // USAGE_MINIMUM (Keyboard LeftControl)
0x29, 0xe7, // USAGE_MAXIMUM (Keyboard Right GUI)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x75, 0x01, // REPORT_SIZE (1)
0x95, 0x08, // REPORT_COUNT (8)
0x81, 0x02, // INPUT (Data,Var,Abs)
0x95, 0x01, // REPORT_COUNT (1)
0x75, 0x08, // REPORT_SIZE (8)
0x81, 0x03, // INPUT (Cnst,Var,Abs)
0x95, 0x05, // REPORT_COUNT (5)
0x75, 0x01, // REPORT_SIZE (1)
0x05, 0x08, // USAGE_PAGE (LEDs)
0x19, 0x01, // USAGE_MINIMUM (Num Lock)
0x29, 0x05, // USAGE_MAXIMUM (Kana)
0x91, 0x02, // OUTPUT (Data,Var,Abs)
0x95, 0x01, // REPORT_COUNT (1)
0x75, 0x03, // REPORT_SIZE (3)
0x91, 0x03, // OUTPUT (Cnst,Var,Abs)
0x95, 0x06, // REPORT_COUNT (6)
0x75, 0x08, // REPORT_SIZE (8)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x65, // LOGICAL_MAXIMUM (101)
0x05, 0x07, // USAGE_PAGE (Keyboard)
0x19, 0x00, // USAGE_MINIMUM (Reserved (no event indicated))
0x29, 0x65, // USAGE_MAXIMUM (Keyboard Application)
0x81, 0x00, // INPUT (Data,Ary,Abs)
0xc0 // END_COLLECTION
};
#define HID_KEYBOARD_REPORT_LENGTH sizeof(hid_keyboard_report)/sizeof(hid_keyboard_report[0])
static UCHAR hid_mouse_report[] = {
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x02, // USAGE (Mouse)
0xa1, 0x01, // COLLECTION (Application)
0x85, 0x01, // REPORT_ID (1)
0x09, 0x01, // USAGE (Pointer)
0xa1, 0x00, // COLLECTION (Physical)
0x05, 0x09, // USAGE_PAGE (Button)
0x19, 0x01, // USAGE_MINIMUM (Button 1)
0x29, 0x03, // USAGE_MAXIMUM (Button 3)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x95, 0x03, // REPORT_COUNT (3)
0x75, 0x01, // REPORT_SIZE (1)
0x81, 0x02, // INPUT (Data,Var,Abs)
0x95, 0x01, // REPORT_COUNT (1)
0x75, 0x05, // REPORT_SIZE (5)
0x81, 0x03, // INPUT (Cnst,Var,Abs)
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x30, // USAGE (X)
0x09, 0x31, // USAGE (Y)
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
0x75, 0x08, // REPORT_SIZE (8)
0x95, 0x02, // REPORT_COUNT (2)
0x81, 0x06, // INPUT (Data,Var,Rel)
0x09, 0x38, // USAGE (Mouse Wheel)
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
0x75, 0x08, // REPORT_SIZE (8)
0x95, 0x01, // REPORT_COUNT (1)
0x81, 0x06, // INPUT (Data,Var,Rel)
0xc0, // END_COLLECTION
0xc0 // END_COLLECTION
};
#define HID_MOUSE_REPORT_LENGTH (sizeof(hid_mouse_report)/sizeof(hid_mouse_report[0]))
static UCHAR hid_report_descriptor[] = {
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x06, // USAGE (Keyboard)
0xa1, 0x01, // COLLECTION (Application)
0x19, 0x01, // USAGE_MINIMUM (1)
0x29, 0x04, // USAGE_MAXIMUM (4)
0x75, 0x04, // REPORT_SIZE (4)
0x95, 0x04, // REPORT_COUNT (4)
0xb1, 0x02, // FEATURE (Data,Var,Abs)
0x85, 0x02, // REPORT_ID (2)
0x19, 0x05, // USAGE_MINIMUM (5)
0x29, 0x07, // USAGE_MAXIMUM (7)
0x75, 0x08, // REPORT_SIZE (8)
0x95, 0x03, // REPORT_COUNT (3)
0xb1, 0x02, // FEATURE (Data,Var,Abs)
0x85, 0x04, // REPORT_ID (4)
0x09, 0x08, // USAGE (8)
0x75, 0x10, // REPORT_SIZE (16)
0x95, 0x01, // REPORT_COUNT (1)
0xb1, 0x02, // FEATURE (Data,Var,Abs)
/* USBX requires at least one input report. */
0x09, 0x01, // USAGE (1)
0x75, 0x10, // REPORT_SIZE (16)
0x95, 0x01, // REPORT_COUNT (1)
0x81, 0x02, // INPUT (Data,Var,Abs)
/* USBX expects keyboards to have at least one output report, otherwise it's an error. */
0x95, 0x05, // REPORT_COUNT (5)
0x75, 0x01, // REPORT_SIZE (1)
0x05, 0x08, // USAGE_PAGE (LEDs)
0x19, 0x01, // USAGE_MINIMUM (Num Lock)
0x29, 0x05, // USAGE_MAXIMUM (Kana)
0x91, 0x02, // OUTPUT (Data,Var,Abs)
0xc0, // END_COLLECTION
};
#define HID_REPORT_LENGTH sizeof(hid_report_descriptor)/sizeof(hid_report_descriptor[0])
/* Configuration descriptor 9 bytes */
#define CFG_DESC(wTotalLength, bNumInterfaces, bConfigurationValue)\
/* Configuration 1 descriptor 9 bytes */\
0x09, 0x02, LSB(wTotalLength), MSB(wTotalLength),\
(bNumInterfaces), (bConfigurationValue), 0x00,\
0x40, 0x00,
#define CFG_DESC_LEN (9)
/* HID Mouse/Keyboard interface descriptors 9+9+7=25 bytes */
#define HID_IFC_DESC_ALL(ifc, report_len, interrupt_epa) \
/* Interface descriptor */\
0x09, 0x04, (ifc), 0x00, 0x01, 0x03, 0x00, 0x00, 0x00,\
/* HID descriptor */\
0x09, 0x21, 0x10, 0x01, 0x21, 0x01, 0x22, LSB(report_len),\
MSB(report_len),\
/* Endpoint descriptor (Interrupt) */\
0x07, 0x05, (interrupt_epa), 0x03, 0x08, 0x00, 0x08,
#define HID_IFC_DESC_ALL_LEN (9+9+7)
static UCHAR device_framework_full_speed[] = {
/* Device descriptor */
0x12, 0x01, 0x10, 0x01, 0x00, 0x00, 0x00, 0x08,
0x81, 0x0A, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x01,
CFG_DESC(CFG_DESC_LEN+1*HID_IFC_DESC_ALL_LEN, 1, 1)
/* Keyboard */
HID_IFC_DESC_ALL(0, HID_REPORT_LENGTH, 0x81)
};
#define DEVICE_FRAMEWORK_LENGTH_FULL_SPEED sizeof(device_framework_full_speed)
static UCHAR device_framework_high_speed[] = {
/* Device descriptor */
0x12, 0x01, 0x00, 0x02, 0x00, 0x00, 0x00, 0x40,
0x0a, 0x07, 0x25, 0x40, 0x01, 0x00, 0x01, 0x02,
0x03, 0x01,
/* Device qualifier descriptor */
0x0a, 0x06, 0x00, 0x02, 0x00, 0x00, 0x00, 0x40,
0x01, 0x00,
CFG_DESC(CFG_DESC_LEN+1*HID_IFC_DESC_ALL_LEN, 1, 1)
/* Keyboard */
HID_IFC_DESC_ALL(0, HID_REPORT_LENGTH, 0x81)
};
#define DEVICE_FRAMEWORK_LENGTH_HIGH_SPEED sizeof(device_framework_high_speed)
/* String Device Framework :
Byte 0 and 1 : Word containing the language ID : 0x0904 for US
Byte 2 : Byte containing the index of the descriptor
Byte 3 : Byte containing the length of the descriptor string
*/
static UCHAR string_framework[] = {
/* Manufacturer string descriptor : Index 1 */
0x09, 0x04, 0x01, 0x0c,
0x45, 0x78, 0x70, 0x72,0x65, 0x73, 0x20, 0x4c,
0x6f, 0x67, 0x69, 0x63,
/* Product string descriptor : Index 2 */
0x09, 0x04, 0x02, 0x0c,
0x55, 0x53, 0x42, 0x20, 0x4b, 0x65, 0x79, 0x62,
0x6f, 0x61, 0x72, 0x64,
/* Serial Number string descriptor : Index 3 */
0x09, 0x04, 0x03, 0x04,
0x30, 0x30, 0x30, 0x31
};
#define STRING_FRAMEWORK_LENGTH sizeof(string_framework)
/* Multiple languages are supported on the device, to add
a language besides english, the unicode language code must
be appended to the language_id_framework array and the length
adjusted accordingly. */
static UCHAR language_id_framework[] = {
/* English. */
0x09, 0x04
};
#define LANGUAGE_ID_FRAMEWORK_LENGTH sizeof(language_id_framework)
UINT _ux_hcd_sim_host_entry(UX_HCD *hcd, UINT function, VOID *parameter);
static UINT ux_system_host_change_function(ULONG event, UX_HOST_CLASS *cls, VOID *inst)
{
switch(event)
{
case UX_HID_CLIENT_INSERTION:
break;
case UX_HID_CLIENT_REMOVAL:
break;
#if defined(UX_HOST_STANDALONE)
case UX_STANDALONE_WAIT_BACKGROUND_TASK:
/* Let other threads to run. */
tx_thread_relinquish();
break;
#endif
default:
break;
}
return 0;
}
static VOID error_callback(UINT system_level, UINT system_context, UINT error_code)
{
}
/* Define what the initial system looks like. */
#ifdef CTEST
void test_application_define(void *first_unused_memory)
#else
void usbx_class_hid_basic_test_application_define(void *first_unused_memory)
#endif
{
UINT status;
CHAR * stack_pointer;
CHAR * memory_pointer;
/* Inform user. */
printf("Running HID Class Basic Test........................................ ");
/* Initialize the free memory pointer */
stack_pointer = (CHAR *) usbx_memory;
memory_pointer = stack_pointer + (UX_DEMO_STACK_SIZE * 2);
/* Initialize USBX. Memory */
status = ux_system_initialize(memory_pointer, UX_DEMO_MEMORY_SIZE, UX_NULL,0);
/* Check for error. */
if (status != UX_SUCCESS)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
/* Register the error callback. */
_ux_utility_error_callback_register(error_callback);
/* The code below is required for installing the host portion of USBX */
status = ux_host_stack_initialize(ux_system_host_change_function);
if (status != UX_SUCCESS)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
status = ux_host_stack_class_register(_ux_system_host_class_hid_name, ux_host_class_hid_entry);
if (status != UX_SUCCESS)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
/* No client registered, just HID. */
/* The code below is required for installing the device portion of USBX. No call back for
device status change in this example. */
status = ux_device_stack_initialize(device_framework_high_speed, DEVICE_FRAMEWORK_LENGTH_HIGH_SPEED,
device_framework_full_speed, DEVICE_FRAMEWORK_LENGTH_FULL_SPEED,
string_framework, STRING_FRAMEWORK_LENGTH,
language_id_framework, LANGUAGE_ID_FRAMEWORK_LENGTH,UX_NULL);
if(status!=UX_SUCCESS)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
/* Initialize the hid class parameters. */
hid_parameter.ux_device_class_hid_parameter_report_address = hid_report_descriptor;
hid_parameter.ux_device_class_hid_parameter_report_length = HID_REPORT_LENGTH;
hid_parameter.ux_device_class_hid_parameter_callback = demo_thread_hid_set_callback;
hid_parameter.ux_device_class_hid_parameter_get_callback = demo_thread_hid_get_callback;
hid_parameter.ux_slave_class_hid_instance_activate = demo_device_hid_instance_activate;
hid_parameter.ux_slave_class_hid_instance_deactivate = demo_device_hid_instance_deactivate;
/* Initilize the device hid class. The class is connected with interface 2 */
status = ux_device_stack_class_register(_ux_system_slave_class_hid_name, ux_device_class_hid_entry,
1, 0, (VOID *)&hid_parameter);
if(status!=UX_SUCCESS)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
/* Initialize the simulated device controller. */
status = _ux_dcd_sim_slave_initialize();
/* Check for error. */
if (status != UX_SUCCESS)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
/* Register all the USB host controllers available in this system */
status = ux_host_stack_hcd_register(_ux_system_host_hcd_simulator_name, ux_hcd_sim_host_initialize,0,0);
/* Check for error. */
if (status != UX_SUCCESS)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
/* Create the main device simulation thread. */
status = tx_thread_create(&tx_demo_thread_device_simulation, "tx demo device simulation", tx_demo_thread_device_simulation_entry, 0,
stack_pointer, UX_DEMO_STACK_SIZE,
20, 20, 1, TX_AUTO_START);
/* Check for error. */
if (status != TX_SUCCESS)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
stack_pointer += UX_DEMO_STACK_SIZE;
/* Create the main host simulation thread. */
status = tx_thread_create(&tx_demo_thread_host_simulation, "tx demo host simulation", tx_demo_thread_host_simulation_entry, 0,
stack_pointer, UX_DEMO_STACK_SIZE,
20, 20, 1, TX_AUTO_START);
/* Check for error. */
if (status != TX_SUCCESS)
{
printf("Error on line %d, error code: %d\n", __LINE__, status);
test_control_return(1);
}
}
static void tx_demo_thread_device_simulation_entry(ULONG arg)
{
while(1)
{
#if defined(UX_DEVICE_STANDALONE)
ux_system_tasks_run();
#else
tx_thread_suspend(&tx_demo_thread_device_simulation);
#endif
}
}
static UINT demo_wait(ULONG tick, UINT (*check)())
{
ULONG t0, t1;
UINT status;
t0 = tx_time_get();
while(1)
{
#if defined(UX_HOST_STANDALONE)
ux_system_tasks_run();
#endif
if (check)
{
status = check();
if (status == UX_SUCCESS)
break;
}
t1 = tx_time_get();
if (_ux_utility_time_elapsed(t0, t1) >= tick)
{
return(UX_TIMEOUT);
}
}
return(UX_SUCCESS);
}
static UINT demo_class_hid_wait(ULONG tick)
{
return(demo_wait(tick, demo_class_hid_get));
}
static void test_hid_idle_requests(VOID)
{
USHORT idle_time;
UINT status;
INT i;
#define N_TEST_IDLES 4
USHORT test_idles[N_TEST_IDLES] = {1, 8, 20, 0};
ULONG mem_level = _ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_available;
/* Get input report. */
hid_report_id.ux_host_class_hid_report_get_report = UX_NULL;
hid_report_id.ux_host_class_hid_report_get_type = UX_HOST_CLASS_HID_REPORT_TYPE_INPUT;
status = _ux_host_class_hid_report_id_get(hid, &hid_report_id);
UX_TEST_ASSERT(status == UX_SUCCESS);
status = _ux_host_class_hid_idle_get(hid, &idle_time, hid_report_id.ux_host_class_hid_report_get_id);
UX_TEST_ASSERT(status == UX_SUCCESS);
test_idles[N_TEST_IDLES - 1] = idle_time;
for (i = 0; i < N_TEST_IDLES; i ++)
{
status = _ux_host_class_hid_idle_set(hid, test_idles[i], hid_report_id.ux_host_class_hid_report_get_id);
UX_TEST_ASSERT(status == UX_SUCCESS);
status = _ux_host_class_hid_idle_get(hid, &idle_time, hid_report_id.ux_host_class_hid_report_get_id);
UX_TEST_ASSERT(status == UX_SUCCESS);
UX_TEST_ASSERT(idle_time == test_idles[i]);
}
UX_TEST_ASSERT(mem_level == _ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_available);
}
static void test_hid_report_requests(VOID)
{
ULONG tmp_bytes[2];
UINT status;
INT i;
#define N_TEST_REPORT_REQS 5
ULONG mem_level = _ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_available;
/* Get output report. */
hid_report_id.ux_host_class_hid_report_get_report = UX_NULL;
hid_report_id.ux_host_class_hid_report_get_type = UX_HOST_CLASS_HID_REPORT_TYPE_FEATURE;
status = _ux_host_class_hid_report_id_get(hid, &hid_report_id);
UX_TEST_ASSERT(status == UX_SUCCESS);
/* Memorize the report pointer. */
client_report.ux_host_class_hid_client_report = hid_report_id.ux_host_class_hid_report_get_report;
/* The report set is raw since the LEDs mask is already in the right format. */
client_report.ux_host_class_hid_client_report_flags = UX_HOST_CLASS_HID_REPORT_RAW;
/* The length of this report is 2 byte (16 bits). */
client_report.ux_host_class_hid_client_report_length = 2;
/* The output report buffer is the LED mask field. */
client_report.ux_host_class_hid_client_report_buffer = tmp_bytes;
for (i = 0; i < N_TEST_REPORT_REQS; i ++)
{
_ux_utility_memory_set(tmp_bytes, i, sizeof(tmp_bytes));
status = _ux_host_class_hid_report_set(hid, &client_report);
UX_TEST_ASSERT(status == UX_SUCCESS);
_ux_utility_memory_set(tmp_bytes, 0xFF, sizeof(tmp_bytes));
status = _ux_host_class_hid_report_get(hid, &client_report);
UX_TEST_ASSERT_MESSAGE(status == UX_SUCCESS, "0x%x\n", status);
UX_TEST_ASSERT(*(UCHAR *)tmp_bytes == i);
}
UX_TEST_ASSERT(mem_level == _ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_available);
}
static ULONG test_hid_report_callback_count = 0;
static ULONG test_hid_report_callback_wait = 0;
static VOID test_hid_report_callback(UX_HOST_CLASS_HID_REPORT_CALLBACK *callback)
{
test_hid_report_callback_count ++;
}
static UINT test_hid_report_callback_count_check(VOID)
{
return(test_hid_report_callback_count >= test_hid_report_callback_wait ?
UX_SUCCESS : UX_ERROR);
}
static void test_hid_periodic_reports(VOID)
{
UINT status;
ULONG mem_level;
/* Get input report. */
hid_report_id.ux_host_class_hid_report_get_report = UX_NULL;
hid_report_id.ux_host_class_hid_report_get_type = UX_HOST_CLASS_HID_REPORT_TYPE_INPUT;
status = _ux_host_class_hid_report_id_get(hid, &hid_report_id);
UX_TEST_ASSERT(status == UX_SUCCESS);
/* Initialize the report callback. */
hid_report_callback.ux_host_class_hid_report_callback_id = hid_report_id.ux_host_class_hid_report_get_id;
hid_report_callback.ux_host_class_hid_report_callback_function = test_hid_report_callback;
hid_report_callback.ux_host_class_hid_report_callback_buffer = UX_NULL;
hid_report_callback.ux_host_class_hid_report_callback_flags = UX_HOST_CLASS_HID_REPORT_RAW;
hid_report_callback.ux_host_class_hid_report_callback_length = hid_report_id.ux_host_class_hid_report_get_report->ux_host_class_hid_report_byte_length;
/* Register the report call back when data comes it on this report. */
status = _ux_host_class_hid_report_callback_register(hid, &hid_report_callback);
UX_TEST_ASSERT(status == UX_SUCCESS);
/* Start background report reading. */
_ux_host_class_hid_periodic_report_start(hid);
mem_level = _ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_available;
device_hid_event.ux_device_class_hid_event_length = 4;
device_hid_event.ux_device_class_hid_event_buffer[0] = 0;
device_hid_event.ux_device_class_hid_event_buffer[1] = 0;
device_hid_event.ux_device_class_hid_event_buffer[2] = '0';
device_hid_event.ux_device_class_hid_event_buffer[3] = '1';
test_hid_report_callback_count = 0;
test_hid_report_callback_wait = 1;
_ux_device_class_hid_event_set(device_hid, &device_hid_event);
demo_wait(10, test_hid_report_callback_count_check);
UX_TEST_ASSERT(test_hid_report_callback_count == 1);
test_hid_report_callback_count = 0;
test_hid_report_callback_wait = 2;
_ux_device_class_hid_event_set(device_hid, &device_hid_event);
_ux_device_class_hid_event_set(device_hid, &device_hid_event);
demo_wait(10, test_hid_report_callback_count_check);
UX_TEST_ASSERT(test_hid_report_callback_count == 2);
UX_TEST_ASSERT(mem_level == _ux_system -> ux_system_memory_byte_pool[UX_MEMORY_BYTE_POOL_REGULAR] -> ux_byte_pool_available);
}
static void tx_demo_thread_host_simulation_entry(ULONG arg)
{
UINT status;
/* Find the HID class */
status = demo_class_hid_wait(100);
UX_TEST_ASSERT(status == UX_SUCCESS);
test_hid_idle_requests();
test_hid_report_requests();
test_hid_periodic_reports();
/* Now disconnect the device. */
_ux_device_stack_disconnect();
/* And deinitialize the class. */
status = ux_device_stack_class_unregister(_ux_system_slave_class_hid_name, ux_device_class_hid_entry);
/* Deinitialize the device side of usbx. */
_ux_device_stack_uninitialize();
/* And finally the usbx system resources. */
_ux_system_uninitialize();
/* Successful test. */
printf("SUCCESS!\n");
test_control_return(0);
}
static UINT demo_thread_hid_set_callback(UX_SLAVE_CLASS_HID *class, UX_SLAVE_CLASS_HID_EVENT *event)
{
_ux_utility_memory_copy(&device_hid_event, event, sizeof(UX_SLAVE_CLASS_HID_EVENT));
return(UX_SUCCESS);
}
static UINT demo_thread_hid_get_callback(UX_SLAVE_CLASS_HID *class, UX_SLAVE_CLASS_HID_EVENT *event)
{
_ux_utility_memory_copy(event, &device_hid_event, sizeof(UX_SLAVE_CLASS_HID_EVENT));
return(UX_SUCCESS);
}
static void demo_device_hid_instance_activate(VOID *inst)
{
if (device_hid == UX_NULL)
device_hid = (UX_SLAVE_CLASS_HID *)inst;
}
static void demo_device_hid_instance_deactivate(VOID *inst)
{
if (inst == (VOID *)device_hid)
device_hid = UX_NULL;
}
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