usbx/test/regression/usbx_ux_host_stack_endpoint_reset_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

670 lines
22 KiB
C

/* This test is designed to test the simple dpump host/device class operation. */
#include <stdio.h>
#include "tx_api.h"
#include "ux_api.h"
#include "ux_system.h"
#include "ux_utility.h"
#include "fx_api.h"
#include "ux_device_class_cdc_acm.h"
#include "ux_device_stack.h"
#include "ux_host_class_cdc_acm.h"
#include "ux_host_class_hid.h"
#include "ux_test_dcd_sim_slave.h"
#include "ux_test_hcd_sim_host.h"
#include "ux_test_utility_sim.h"
#include "ux_host_stack.h"
/* Define constants. */
#define UX_DEMO_DEBUG_SIZE (4096*8)
#define UX_DEMO_STACK_SIZE 1024
#define UX_DEMO_BUFFER_SIZE (UX_SLAVE_REQUEST_DATA_MAX_LENGTH + 1)
#define UX_DEMO_XMIT_BUFFER_SIZE 512
#define UX_DEMO_RECEPTION_BUFFER_SIZE 512
#define UX_DEMO_FILE_BUFFER_SIZE 512
#define UX_DEMO_RECEPTION_BLOCK_SIZE 64
#define UX_DEMO_MEMORY_SIZE (96*1024)
#define UX_DEMO_FILE_SIZE (128 * 1024)
#define UX_RAM_DISK_MEMORY (256 * 1024)
#define LSB(x) ( (x) & 0x00ff)
#define MSB(x) (((x) & 0xff00) >> 8)
/* Configuration descriptor 9 bytes */
#define CFG_DESC(wTotalLength, bNumInterfaces, bmAttributes, bConfigurationValue)\
/* Configuration 1 descriptor 9 bytes */\
0x09, 0x02, LSB(wTotalLength), MSB(wTotalLength),\
(bNumInterfaces), (bConfigurationValue), 0x00,\
(bmAttributes), 0x00,
#define CFG_DESC_LEN 9
#define IAD_DESC(bIfc) \
/* Interface association descriptor. 8 bytes. */\
0x08, 0x0b, (bIfc), 0x02, 0x02, 0x02, 0x00, 0x00,
#define IAD_DESC_LEN 8
#define CDC_IFC_DESC_ALL(bIfc, bIntIn, bBulkIn, bBulkOut)\
/* Communication Class Interface Descriptor Requirement. 9 bytes. */\
0x09, 0x04, (bIfc), 0x00, 0x01, 0x02, 0x02, 0x01, 0x00,\
/* Header Functional Descriptor 5 bytes */\
0x05, 0x24, 0x00, 0x10, 0x01,\
/* ACM Functional Descriptor 4 bytes */\
0x04, 0x24, 0x02, 0x0f,\
/* Union Functional Descriptor 5 bytes */\
0x05, 0x24, 0x06, (bIfc), (bIfc + 1),\
/* Call Management Functional Descriptor 5 bytes */\
0x05, 0x24, 0x01, 0x03, (bIfc + 1),\
/* Endpoint interrupt in descriptor 7 bytes */\
0x07, 0x05, (bIntIn), 0x03, 0x40, 0x00, 0x10,\
/* Data Class Interface Descriptor Requirement 9 bytes */\
0x09, 0x04, (bIfc + 1), 0x00, 0x02, 0x0A, 0x00, 0x00, 0x00,\
/* Endpoint bulk in descriptor 7 bytes */\
0x07, 0x05, (bBulkIn), 0x02, 0x40, 0x00, 0x01,\
/* Endpoint bulk out descriptor 7 bytes */\
0x07, 0x05, (bBulkOut), 0x02, 0x40, 0x00, 0x01,
#define CDC_IFC_DESC_ALL1(bIfc, bIntIn, bBulkIn, bBulkOut)\
/* Communication Class Interface Descriptor Requirement. 9 bytes. */\
0x09, 0x04, (bIfc), 0x00, 0x01, 0x02, 0x02, 0x01, 0x00,\
/* Header Functional Descriptor 5 bytes */\
0x05, 0x24, 0x00, 0x10, 0x01,\
/* ACM Functional Descriptor 4 bytes */\
0x04, 0x24, 0x02, 0x0f,\
/* Union Functional Descriptor 5 bytes */\
0x05, 0x24, 0x06, (bIfc), (bIfc + 1),\
/* Call Management Functional Descriptor 5 bytes */\
0x05, 0x24, 0x01, 0x03, (bIfc + 1),\
/* Endpoint interrupt in descriptor 7 bytes */\
0x07, 0x05, (bIntIn), 0x03, 0x40, 0x00, 0x10,\
/* Data Class Interface Descriptor Requirement 9 bytes */\
0x09, 0x04, (bIfc + 1), 0x00, 0x02, 0x0A, 0x00, 0x00, 0x00,\
/* Endpoint bulk out descriptor 7 bytes */\
0x07, 0x05, (bBulkOut), 0x02, 0x40, 0x00, 0x01,\
/* Endpoint bulk in descriptor 7 bytes */\
0x07, 0x05, (bBulkIn), 0x02, 0x40, 0x00, 0x01,
#define CDC_IFC_DESC_ALL_LEN (9+5+4+5+5+7+ 9+7+7)
/* Define local/extern function prototypes. */
static VOID test_thread_entry(ULONG);
static TX_THREAD tx_test_thread_host_simulation;
static TX_THREAD tx_test_thread_slave_simulation;
static VOID tx_test_thread_host_simulation_entry(ULONG);
static VOID tx_test_thread_slave_simulation_entry(ULONG);
static VOID test_cdc_instance_activate(VOID *cdc_instance);
static VOID test_cdc_instance_deactivate(VOID *cdc_instance);
static VOID test_cdc_instance_parameter_change(VOID *cdc_instance);
/* Define global data structures. */
static UCHAR usbx_memory[UX_DEMO_MEMORY_SIZE + (UX_DEMO_STACK_SIZE * 2)];
static UX_HOST_CLASS_CDC_ACM *cdc_acm_host_control = UX_NULL;
static UX_HOST_CLASS_CDC_ACM *cdc_acm_host_data = UX_NULL;
static UX_HOST_CLASS_CDC_ACM *cdc_acm_host_control1 = UX_NULL;
static UX_HOST_CLASS_CDC_ACM *cdc_acm_host_data1 = UX_NULL;
static UX_SLAVE_CLASS_CDC_ACM *cdc_acm_slave = UX_NULL;
static UX_SLAVE_CLASS_CDC_ACM *cdc_acm_slave1 = UX_NULL;
static UCHAR cdc_acm_slave_change;
static UX_SLAVE_CLASS_CDC_ACM_PARAMETER parameter;
static ULONG error_counter;
static ULONG error_callback_counter;
static UCHAR error_callback_ignore;
static ULONG call_counter;
static UCHAR buffer[UX_DEMO_BUFFER_SIZE];
static UCHAR test_slave_code = 0;
static UCHAR test_slave_state = 0;
/* Define device framework. */
static unsigned char device_framework_full_speed[] = {
/* Device descriptor 18 bytes
0x02 bDeviceClass: CDC class code
0x00 bDeviceSubclass: CDC class sub code
0x00 bDeviceProtocol: CDC Device protocol
idVendor & idProduct - http://www.linux-usb.org/usb.ids
*/
0x12, 0x01, 0x10, 0x01,
0xEF, 0x02, 0x01,
0x08,
0x84, 0x84, 0x00, 0x00,
0x00, 0x01,
0x01, 0x02, 03,
0x01, /* bNumConfigurations */
/* Configuration 1 descriptor 9 bytes, total 75 bytes */
CFG_DESC(CFG_DESC_LEN + (IAD_DESC_LEN + CDC_IFC_DESC_ALL_LEN) * 2, 4, 0x40, 1)
/* IAD 8 bytes */
IAD_DESC(0)
/* CDC_ACM interfaces */
CDC_IFC_DESC_ALL(0, 0x83, 0x81, 0x02)
/* IAD 8 bytes */
IAD_DESC(2)
/* CDC_ACM interfaces */
CDC_IFC_DESC_ALL1(2, 0x86, 0x85, 0x04)
};
#define DEVICE_FRAMEWORK_LENGTH_FULL_SPEED sizeof(device_framework_full_speed)
static unsigned char device_framework_high_speed[] = {
/* Device descriptor 18 bytes
0x02 bDeviceClass: CDC class code
0x00 bDeviceSubclass: CDC class sub code
0x00 bDeviceProtocol: CDC Device protocol
idVendor & idProduct - http://www.linux-usb.org/usb.ids
*/
0x12, 0x01, 0x00, 0x02,
0xEF, 0x02, 0x01,
0x40,
0x84, 0x84, 0x00, 0x00,
0x00, 0x01,
0x01, 0x02, 03,
0x01, /* bNumConfigurations */
/* Device qualifier descriptor 10 bytes */
0x0a, 0x06, 0x00, 0x02,
0x02, 0x00, 0x00,
0x40,
0x01,
0x00,
/* Configuration 1 descriptor 9 bytes, total 75 bytes */
CFG_DESC(CFG_DESC_LEN + IAD_DESC_LEN + CDC_IFC_DESC_ALL_LEN, 2, 0x60, 1)
/* IAD 8 bytes */
IAD_DESC(0)
/* CDC_ACM interfaces */
CDC_IFC_DESC_ALL1(0, 0x83, 0x81, 0x02)
/* IAD 8 bytes */
IAD_DESC(2)
/* CDC_ACM interfaces */
CDC_IFC_DESC_ALL(2, 0x86, 0x85, 0x04)
};
#define DEVICE_FRAMEWORK_LENGTH_HIGH_SPEED sizeof(device_framework_high_speed)
static unsigned char string_framework[] = {
/* Manufacturer string descriptor : Index 1 - "Express Logic" */
0x09, 0x04, 0x01, 0x0c,
0x45, 0x78, 0x70, 0x72,0x65, 0x73, 0x20, 0x4c,
0x6f, 0x67, 0x69, 0x63,
/* Product string descriptor : Index 2 - "EL Composite device" */
0x09, 0x04, 0x02, 0x13,
0x45, 0x4c, 0x20, 0x43, 0x6f, 0x6d, 0x70, 0x6f,
0x73, 0x69, 0x74, 0x65, 0x20, 0x64, 0x65, 0x76,
0x69, 0x63, 0x65,
/* Serial Number string descriptor : Index 3 - "0001" */
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 unsigned char language_id_framework[] = {
/* English. */
0x09, 0x04
};
#define LANGUAGE_ID_FRAMEWORK_LENGTH sizeof(language_id_framework)
/* Simulation actions. */
static UX_TEST_SIM_ENTRY_ACTION hcd_transfer_request_fail[] = {
/* function, request to match,
port action, port status,
request action, request EP, request data, request actual length, request status,
status, additional callback,
no_return */
{ UX_HCD_TRANSFER_REQUEST, NULL,
UX_FALSE, 0,
0 , 0, UX_NULL, 0, 0,
UX_ERROR , UX_NULL},
{ 0 }
};
/* Define the ISR dispatch. */
extern VOID (*test_isr_dispatch)(void);
/* Prototype for test control return. */
void test_control_return(UINT status);
/* Define the ISR dispatch routine. */
static void test_isr(void)
{
/* For further expansion of interrupt-level testing. */
}
static UINT break_on_cdc_acm_all_ready(VOID)
{
if (cdc_acm_host_control == UX_NULL || cdc_acm_host_data == UX_NULL)
/* Do not break. */
return 0;
if (cdc_acm_host_control1 == UX_NULL || cdc_acm_host_data1 == UX_NULL)
/* Do not break. */
return 0;
if (cdc_acm_host_control->ux_host_class_cdc_acm_state != UX_HOST_CLASS_INSTANCE_LIVE)
/* Do not break. */
return 0;
if (cdc_acm_host_data->ux_host_class_cdc_acm_state != UX_HOST_CLASS_INSTANCE_LIVE)
/* Do not break. */
return 0;
if (cdc_acm_host_control1->ux_host_class_cdc_acm_state != UX_HOST_CLASS_INSTANCE_LIVE)
/* Do not break. */
return 0;
if (cdc_acm_host_data1->ux_host_class_cdc_acm_state != UX_HOST_CLASS_INSTANCE_LIVE)
/* Do not break. */
return 0;
if (cdc_acm_slave == UX_NULL || cdc_acm_slave1 == UX_NULL)
/* Do not break. */
return 0;
/* All found, break. */
return 1;
}
static UINT break_on_removal(VOID)
{
if (cdc_acm_host_control != UX_NULL || cdc_acm_host_data != UX_NULL)
/* Do not break. */
return 0;
if (cdc_acm_host_control1 != UX_NULL || cdc_acm_host_data1 != UX_NULL)
/* Do not break. */
return 0;
if (cdc_acm_slave != UX_NULL || cdc_acm_slave1 != UX_NULL)
/* Do not break. */
return 0;
return 1;
}
static UINT test_host_change_function(ULONG event, UX_HOST_CLASS *cls, VOID *inst)
{
UX_HOST_CLASS_CDC_ACM *cdc_acm = (UX_HOST_CLASS_CDC_ACM *) inst;
switch(event)
{
case UX_DEVICE_INSERTION:
if (cdc_acm -> ux_host_class_cdc_acm_interface -> ux_interface_descriptor.bInterfaceClass == UX_HOST_CLASS_CDC_CONTROL_CLASS)
{
if (cdc_acm_host_control == UX_NULL)
cdc_acm_host_control = cdc_acm;
else
if (cdc_acm_host_control1 == UX_NULL)
cdc_acm_host_control1 = cdc_acm;
}
else
{
if (cdc_acm_host_data == UX_NULL)
cdc_acm_host_data = cdc_acm;
else
if (cdc_acm_host_data1 == UX_NULL)
cdc_acm_host_data1 = cdc_acm;
}
break;
case UX_DEVICE_REMOVAL:
if (cdc_acm -> ux_host_class_cdc_acm_interface -> ux_interface_descriptor.bInterfaceClass == UX_HOST_CLASS_CDC_CONTROL_CLASS)
{
if (cdc_acm_host_control == cdc_acm)
cdc_acm_host_control = UX_NULL;
if (cdc_acm_host_control1 == cdc_acm)
cdc_acm_host_control1 = UX_NULL;
}
else
{
if (cdc_acm_host_data == cdc_acm)
cdc_acm_host_data = UX_NULL;
if (cdc_acm_host_data1 == cdc_acm)
cdc_acm_host_data1 = UX_NULL;
}
break;
default:
break;
}
return 0;
}
static VOID test_cdc_instance_activate(VOID *cdc_instance)
{
/* Save the CDC instance. */
if (cdc_acm_slave == UX_NULL)
cdc_acm_slave = (UX_SLAVE_CLASS_CDC_ACM *) cdc_instance;
else
if (cdc_acm_slave1 == UX_NULL)
cdc_acm_slave1 = (UX_SLAVE_CLASS_CDC_ACM *) cdc_instance;
}
static VOID test_cdc_instance_deactivate(VOID *cdc_instance)
{
/* Reset the CDC instance. */
if ((VOID *)cdc_acm_slave == cdc_instance)
cdc_acm_slave = UX_NULL;
if ((VOID *)cdc_acm_slave1 == cdc_instance)
cdc_acm_slave1 = UX_NULL;
}
static VOID test_cdc_instance_parameter_change(VOID *cdc_instance)
{
/* Set CDC parameter change flag. */
cdc_acm_slave_change = UX_TRUE;
}
static VOID test_ux_error_callback(UINT system_level, UINT system_context, UINT error_code)
{
error_callback_counter ++;
if (!error_callback_ignore)
{
/* Ignore UX_DEVICE_HANDLE_UNKNOWN. */
if (UX_DEVICE_HANDLE_UNKNOWN == error_code)
return;
{
/* Failed test. */
printf("Error #%d, system_level: %d, system_context: %d, error_code: 0x%x\n", __LINE__, system_level, system_context, error_code);
// test_control_return(1);
}
}
}
/* Define what the initial system looks like. */
#ifdef CTEST
void test_application_define(void *first_unused_memory)
#else
void usbx_ux_host_stack_endpoint_reset_test_application_define(void *first_unused_memory)
#endif
{
UINT status;
CHAR * stack_pointer;
CHAR * memory_pointer;
printf("Running ux_host_stack_endpoint_reset Test........................... ");
stepinfo("\n");
/* Initialize the free memory pointer */
stack_pointer = (CHAR *) usbx_memory;
memory_pointer = stack_pointer + (UX_DEMO_STACK_SIZE * 2);
stepinfo(">>>>>>>>>>>>>>>> ux_system_initialize\n");
/* 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 #%d\n", __LINE__);
test_control_return(1);
}
/* Register the error callback. */
_ux_utility_error_callback_register(test_ux_error_callback);
stepinfo(">>>>>>>>>>>>>>>> ux_host_stack_initialize\n");
/* The code below is required for installing the host portion of USBX */
status = ux_host_stack_initialize(test_host_change_function);
if (status != UX_SUCCESS)
{
printf("ERROR #%d\n", __LINE__);
test_control_return(1);
}
stepinfo(">>>>>>>>>>>>>>>> ux_device_stack_initialize\n");
/* 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 #%d\n", __LINE__);
test_control_return(1);
}
stepinfo(">>>>>>>>>>>>>>>> ux_device_stack_class_register\n");
/* Set the parameters for callback when insertion/extraction of a CDC device. */
parameter.ux_slave_class_cdc_acm_instance_activate = test_cdc_instance_activate;
parameter.ux_slave_class_cdc_acm_instance_deactivate = test_cdc_instance_deactivate;
parameter.ux_slave_class_cdc_acm_parameter_change = test_cdc_instance_parameter_change;
/* Initialize the device cdc class. This class owns both interfaces starting with 0. */
status = ux_device_stack_class_register(_ux_system_slave_class_cdc_acm_name, ux_device_class_cdc_acm_entry,
1,0, &parameter);
status |= ux_device_stack_class_register(_ux_system_slave_class_cdc_acm_name, ux_device_class_cdc_acm_entry,
1,2, &parameter);
status |= ux_device_stack_class_register(_ux_system_slave_class_cdc_acm_name, ux_device_class_cdc_acm_entry,
1,4, &parameter);
#if UX_MAX_SLAVE_CLASS_DRIVER > 1
if(status!=UX_SUCCESS)
{
printf("ERROR #%d\n", __LINE__);
test_control_return(1);
}
#else
error_callback_ignore = UX_TRUE;
#endif
stepinfo(">>>>>>>>>>>>>>>> _ux_test_dcd_sim_slave_initialize\n");
/* Initialize the simulated device controller. */
status = _ux_test_dcd_sim_slave_initialize();
/* Check for error. */
if (status != TX_SUCCESS)
{
printf("ERROR #%d\n", __LINE__);
test_control_return(1);
}
stepinfo(">>>>>>>>>>>>>>>> ux_host_stack_class_register\n");
#if UX_MAX_CLASS_DRIVER > 1
/* Register HID class */
status = ux_host_stack_class_register(_ux_system_host_class_hid_name, ux_host_class_hid_entry);
if (status != UX_SUCCESS)
{
printf("ERROR #%d\n", __LINE__);
test_control_return(1);
}
#endif
/* Register CDC ACM class */
status = ux_host_stack_class_register(_ux_system_host_class_cdc_acm_name, ux_host_class_cdc_acm_entry);
if (status != UX_SUCCESS)
{
printf("ERROR #%d\n", __LINE__);
test_control_return(1);
}
stepinfo(">>>>>>>>>>>>>>>> ux_host_stack_hcd_register\n");
#if UX_MAX_SLAVE_CLASS_DRIVER > 1
error_callback_ignore = UX_TRUE; /* One of interface no driver. */
#endif
/* Register HCD for test */
status = ux_host_stack_hcd_register(_ux_system_host_hcd_simulator_name, _ux_test_hcd_sim_host_initialize,0,0);
if (status != UX_SUCCESS)
{
printf("ERROR #%d\n", __LINE__);
test_control_return(1);
}
stepinfo(">>>>>>>>>>>>>>>> Create main test thread\n");
/* Create the main host simulation thread. */
status = tx_thread_create(&tx_test_thread_host_simulation, "tx test host simulation", tx_test_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 #%d\n", __LINE__);
test_control_return(1);
}
stepinfo(">>>>>>>>>>>>>>>> Create test thread\n");
/* Create the main slave simulation thread. */
status = tx_thread_create(&tx_test_thread_slave_simulation, "tx test slave simulation", tx_test_thread_slave_simulation_entry, 0,
stack_pointer + UX_DEMO_STACK_SIZE, UX_DEMO_STACK_SIZE,
20, 20, 1, TX_DONT_START);
/* Check for error. */
if (status != TX_SUCCESS)
{
printf("ERROR #%d\n", __LINE__);
test_control_return(1);
}
}
void tx_test_thread_host_simulation_entry(ULONG arg)
{
UINT status;
/* Test connect. */
stepinfo(">>>>>>>>>>>>>>>> Test connect (FS)\n");
ux_test_hcd_sim_host_connect(UX_FULL_SPEED_DEVICE);
ux_test_breakable_sleep(500, break_on_cdc_acm_all_ready);
if (!(cdc_acm_host_control
&& cdc_acm_host_data
&& cdc_acm_slave
#if UX_MAX_SLAVE_CLASS_DRIVER > 1
&& cdc_acm_host_control1
&& cdc_acm_host_data1
&& cdc_acm_slave1
#endif
))
{
printf("ERROR #%d: connect fail\n", __LINE__);
test_control_return(1);
}
error_callback_ignore = UX_TRUE;
stepinfo(">>>>>>>>>>>>>>>> Test _ux_host_stack_endpoint_reset - request fail\n");
ux_test_hcd_sim_host_set_actions(hcd_transfer_request_fail);
status = _ux_host_stack_endpoint_reset(cdc_acm_host_data->ux_host_class_cdc_acm_bulk_in_endpoint);
if (status == UX_SUCCESS)
{
printf("ERROR #%d: expect error\n", __LINE__);
error_counter ++;
}
stepinfo(">>>>>>>>>>>>>>>> Test disconnect\n");
ux_test_dcd_sim_slave_disconnect();
ux_test_hcd_sim_host_disconnect();
ux_test_breakable_sleep(100, break_on_removal);
if (cdc_acm_host_control || cdc_acm_host_data || cdc_acm_slave)
{
printf("ERROR #%d: disconnect fail\n", __LINE__);
test_control_return(1);
}
stepinfo(">>>>>>>>>>>>>>>> Deinitialize\n");
/* Deinitialize the class. */
ux_device_stack_class_unregister(_ux_system_slave_class_cdc_acm_name, ux_device_class_cdc_acm_entry);
ux_device_stack_class_unregister(_ux_system_slave_class_cdc_acm_name, ux_device_class_cdc_acm_entry);
ux_device_stack_class_unregister(_ux_system_slave_class_cdc_acm_name, ux_device_class_cdc_acm_entry);
/* Deinitialize the device side of usbx. */
_ux_device_stack_uninitialize();
/* And finally the usbx system resources. */
_ux_system_uninitialize();
stepinfo(">>>>>>>>>>>>>>>> Dump results\n");
if (error_counter > 0)
{
/* Test error. */
printf("ERROR #%d: total %ld errors\n", __LINE__, error_counter);
test_control_return(1);
}
/* Successful test. */
printf("SUCCESS!\n");
test_control_return(0);
}
void tx_test_thread_slave_simulation_entry(ULONG arg)
{
while(1)
{
switch (test_slave_code)
{
default:
break;
}
test_slave_state = 0;
tx_thread_suspend(&tx_test_thread_slave_simulation);
}
}