/***************************************************************************/ /* Copyright (c) 2024 Microsoft Corporation */ /* Copyright (c) 2026 Eclipse ThreadX contributors */ /* */ /* This program and the accompanying materials are made available under */ /* the terms of the MIT License which is available at */ /* https://opensource.org/licenses/MIT. */ /* */ /* SPDX-License-Identifier: MIT */ /***************************************************************************/ /* This test is designed to test the simple dpump host/device class operation. */ #include #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_test_dcd_sim_slave.h" #include "ux_test_hcd_sim_host.h" #include "ux_test_utility_sim.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 (64*1024) #define UX_DEMO_FILE_SIZE (128 * 1024) #define UX_RAM_DISK_MEMORY (256 * 1024) /* Define local/extern function prototypes. */ static TX_THREAD ux_test_thread_host_simulation; static TX_THREAD ux_test_thread_slave_simulation; static void ux_test_thread_host_simulation_entry(ULONG); static void ux_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); static VOID ux_test_hcd_entry_set_cfg(UX_TEST_ACTION *action, VOID *params); /* Define global data structures. */ static UCHAR usbx_memory[UX_DEMO_MEMORY_SIZE + (UX_DEMO_STACK_SIZE * 2)]; static UX_HOST_CLASS *class_driver; static UX_HOST_CLASS_CDC_ACM *cdc_acm_host_control; static UX_HOST_CLASS_CDC_ACM *cdc_acm_host_data; static UX_HOST_CLASS_CDC_ACM_RECEPTION cdc_acm_host_reception; static UCHAR cdc_acm_host_reception_buffer[UX_DEMO_RECEPTION_BUFFER_SIZE]; static UINT cdc_acm_host_reception_status = 0; static ULONG cdc_acm_host_reception_count = 0; static UCHAR cdc_acm_host_read_buffer[UX_SLAVE_REQUEST_DATA_MAX_LENGTH * 2]; static ULONG cdc_acm_host_read_buffer_length; static UX_SLAVE_CLASS_CDC_ACM *cdc_acm_slave; static UX_SLAVE_CLASS_CDC_ACM_PARAMETER parameter; static UCHAR cdc_acm_slave_change; static UX_SLAVE_CLASS_CDC_ACM_LINE_CODING_PARAMETER cdc_acm_slave_line_coding; static UX_SLAVE_CLASS_CDC_ACM_LINE_STATE_PARAMETER cdc_acm_slave_line_state; static ULONG device_read_length = UX_SLAVE_REQUEST_DATA_MAX_LENGTH; static UCHAR device_buffer[UX_SLAVE_REQUEST_DATA_MAX_LENGTH * 2]; static UX_SLAVE_CLASS_CDC_ACM_CALLBACK_PARAMETER cdc_acm_slave_callback; static UCHAR host_buffer[UX_SLAVE_REQUEST_DATA_MAX_LENGTH * 2]; static ULONG set_cfg_counter; static ULONG rsc_mem_alloc_cnt_on_set_cfg; static ULONG rsc_sem_on_set_cfg; static ULONG rsc_sem_get_on_set_cfg; static ULONG rsc_mutex_on_set_cfg; static ULONG rsc_enum_sem_usage; static ULONG rsc_enum_sem_get_count; static ULONG rsc_enum_mutex_usage; static ULONG rsc_enum_mem_alloc_count; static ULONG rsc_cdc_sem_usage; static ULONG rsc_cdc_sem_get_count; static ULONG rsc_cdc_mutex_usage; static ULONG rsc_cdc_mem_alloc_count; static ULONG interaction_count; static UCHAR error_callback_ignore = UX_TRUE; static ULONG error_callback_counter; /* Define device framework. */ #define DEVICE_FRAMEWORK_LENGTH_FULL_SPEED 93 #define DEVICE_FRAMEWORK_LENGTH_HIGH_SPEED 103 #define STRING_FRAMEWORK_LENGTH 47 #define LANGUAGE_ID_FRAMEWORK_LENGTH 2 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, /* Configuration 1 descriptor 9 bytes */ 0x09, 0x02, 0x4b, 0x00, 0x02, 0x01, 0x00, 0x40, 0x00, /* Interface association descriptor. 8 bytes. */ 0x08, 0x0b, 0x00, 0x02, 0x02, 0x02, 0x00, 0x00, /* Communication Class Interface Descriptor Requirement. 9 bytes. */ 0x09, 0x04, 0x00, 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, 0x00, /* Master interface */ 0x01, /* Slave interface */ /* Call Management Functional Descriptor 5 bytes */ 0x05, 0x24, 0x01, 0x03, 0x01, /* Data interface */ /* Endpoint 0x83 descriptor 7 bytes */ 0x07, 0x05, 0x83, 0x03, 0x08, 0x00, 0xFF, /* Data Class Interface Descriptor Requirement 9 bytes */ 0x09, 0x04, 0x01, 0x00, 0x02, 0x0A, 0x00, 0x00, 0x00, /* Endpoint 0x02 descriptor 7 bytes */ 0x07, 0x05, 0x02, /* @ 93 - 14 + 2 = 81 */ 0x02, 0x40, 0x00, 0x00, /* Endpoint 0x81 descriptor 7 bytes */ 0x07, 0x05, 0x81, /* @ 93 - 7 + 2 = 88 */ 0x02, 0x40, 0x00, 0x00, }; #define DEVICE_FRAMEWORK_EPA_POS_1_FS (DEVICE_FRAMEWORK_LENGTH_FULL_SPEED - 14 + 2) #define DEVICE_FRAMEWORK_EPA_POS_2_FS (DEVICE_FRAMEWORK_LENGTH_FULL_SPEED - 7 + 2) static unsigned char device_framework_high_speed[] = { /* Device descriptor 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, /* Device qualifier descriptor */ 0x0a, 0x06, 0x00, 0x02, 0x02, 0x00, 0x00, 0x40, 0x01, 0x00, /* Configuration 1 descriptor */ 0x09, 0x02, 0x4b, 0x00, 0x02, 0x01, 0x00, 0x40, 0x00, /* Interface association descriptor. */ 0x08, 0x0b, 0x00, 0x02, 0x02, 0x02, 0x00, 0x00, /* Communication Class Interface Descriptor Requirement */ 0x09, 0x04, 0x00, 0x00, 0x01, 0x02, 0x02, 0x01, 0x00, /* Header Functional Descriptor */ 0x05, 0x24, 0x00, 0x10, 0x01, /* ACM Functional Descriptor */ 0x04, 0x24, 0x02, 0x0f, /* Union Functional Descriptor */ 0x05, 0x24, 0x06, 0x00, 0x01, /* Call Management Functional Descriptor */ 0x05, 0x24, 0x01, 0x00, 0x01, /* Endpoint 0x83 descriptor */ 0x07, 0x05, 0x83, 0x03, 0x08, 0x00, 0xFF, /* Data Class Interface Descriptor Requirement */ 0x09, 0x04, 0x01, 0x00, 0x02, 0x0A, 0x00, 0x00, 0x00, /* Endpoint 0x02 descriptor */ 0x07, 0x05, 0x02, /* @ 103 - 14 + 2 = 91 */ 0x02, 0x40, 0x00, 0x00, /* Endpoint 0x81 descriptor */ 0x07, 0x05, 0x81, /* @ 103 - 7 + 2 = 98 */ 0x02, 0x40, 0x00, 0x00, }; #define DEVICE_FRAMEWORK_EPA_POS_1_HS (DEVICE_FRAMEWORK_LENGTH_HIGH_SPEED - 14 + 2) #define DEVICE_FRAMEWORK_EPA_POS_2_HS (DEVICE_FRAMEWORK_LENGTH_HIGH_SPEED - 7 + 2) 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 }; /* 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 }; /* Setup requests */ static UX_TEST_SETUP _SetConfigure = UX_TEST_SETUP_SetConfigure; static UX_TEST_HCD_SIM_ACTION log_on_SetCfg[] = { /* 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, &_SetConfigure, UX_FALSE, UX_TEST_PORT_STATUS_DISC, UX_TEST_SETUP_MATCH_REQ, 0, UX_NULL, 0, 0, UX_SUCCESS, ux_test_hcd_entry_set_cfg, UX_TRUE}, /* Invoke callback & continue */ { 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 VOID error_callback(UINT system_level, UINT system_context, UINT error_code) { error_callback_counter ++; if (!error_callback_ignore) { { /* 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); } } } static UINT sleep_break_on_error(VOID) { if (error_callback_counter >= 3) return error_callback_counter; return UX_SUCCESS; } static UINT demo_class_cdc_acm_get(void) { UINT status; UX_HOST_CLASS *class; UX_HOST_CLASS_CDC_ACM *cdc_acm_host; /* Find the main cdc_acm container */ status = ux_host_stack_class_get(_ux_system_host_class_cdc_acm_name, &class); if (status != UX_SUCCESS) return(status); /* We get the first instance of the cdc_acm device */ do { status = ux_host_stack_class_instance_get(class, 0, (void **) &cdc_acm_host); tx_thread_sleep(10); } while (status != UX_SUCCESS); /* We still need to wait for the cdc_acm status to be live */ while (cdc_acm_host -> ux_host_class_cdc_acm_state != UX_HOST_CLASS_INSTANCE_LIVE) tx_thread_sleep(10); /* Isolate both the control and data interfaces. */ if (cdc_acm_host -> ux_host_class_cdc_acm_interface -> ux_interface_descriptor.bInterfaceClass == UX_HOST_CLASS_CDC_DATA_CLASS) { /* This is the data interface. */ cdc_acm_host_data = cdc_acm_host; /* In that case, the second one should be the control interface. */ status = ux_host_stack_class_instance_get(class, 1, (void **) &cdc_acm_host); /* Check error. */ if (status != UX_SUCCESS) return(status); /* Check for the control interfaces. */ if (cdc_acm_host -> ux_host_class_cdc_acm_interface -> ux_interface_descriptor.bInterfaceClass == UX_HOST_CLASS_CDC_CONTROL_CLASS) { /* This is the control interface. */ cdc_acm_host_control = cdc_acm_host; return(UX_SUCCESS); } } else { /* Check for the control interfaces. */ if (cdc_acm_host -> ux_host_class_cdc_acm_interface -> ux_interface_descriptor.bInterfaceClass == UX_HOST_CLASS_CDC_CONTROL_CLASS) { /* This is the control interface. */ cdc_acm_host_control = cdc_acm_host; /* In that case, the second one should be the data interface. */ status = ux_host_stack_class_instance_get(class, 1, (void **) &cdc_acm_host); /* Check error. */ if (status != UX_SUCCESS) return(status); /* Check for the data interface. */ if (cdc_acm_host -> ux_host_class_cdc_acm_interface -> ux_interface_descriptor.bInterfaceClass == UX_HOST_CLASS_CDC_DATA_CLASS) { /* This is the data interface. */ cdc_acm_host_data = cdc_acm_host; return(UX_SUCCESS); } } } /* Return ERROR. */ return(UX_ERROR); } static UINT demo_system_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) cdc_acm_host_control = cdc_acm; else cdc_acm_host_data = 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) cdc_acm_host_control = UX_NULL; else cdc_acm_host_data = UX_NULL; break; default: break; } return 0; } static VOID test_cdc_instance_activate(VOID *cdc_instance) { /* Save the CDC instance. */ cdc_acm_slave = (UX_SLAVE_CLASS_CDC_ACM *) cdc_instance; } static VOID test_cdc_instance_deactivate(VOID *cdc_instance) { /* Reset the CDC instance. */ cdc_acm_slave = UX_NULL; } static VOID test_cdc_instance_parameter_change(VOID *cdc_instance) { /* Set CDC parameter change flag. */ cdc_acm_slave_change = UX_TRUE; /* Get new paramster. */ ux_device_class_cdc_acm_ioctl(cdc_acm_slave, UX_SLAVE_CLASS_CDC_ACM_IOCTL_GET_LINE_CODING, (VOID*)&cdc_acm_slave_line_coding); ux_device_class_cdc_acm_ioctl(cdc_acm_slave, UX_SLAVE_CLASS_CDC_ACM_IOCTL_GET_LINE_CODING, (VOID*)&cdc_acm_slave_line_state); } static VOID test_swap_framework_bulk_ep_descriptors(VOID) { UCHAR tmp; tmp = device_framework_full_speed[DEVICE_FRAMEWORK_EPA_POS_1_FS]; device_framework_full_speed[DEVICE_FRAMEWORK_EPA_POS_1_FS] = device_framework_full_speed[DEVICE_FRAMEWORK_EPA_POS_2_FS]; device_framework_full_speed[DEVICE_FRAMEWORK_EPA_POS_2_FS] = tmp; tmp = device_framework_high_speed[DEVICE_FRAMEWORK_EPA_POS_1_HS]; device_framework_high_speed[DEVICE_FRAMEWORK_EPA_POS_1_HS] = device_framework_high_speed[DEVICE_FRAMEWORK_EPA_POS_2_HS]; device_framework_high_speed[DEVICE_FRAMEWORK_EPA_POS_2_HS] = tmp; } static VOID ux_test_hcd_entry_set_cfg(UX_TEST_ACTION *action, VOID *_params) { set_cfg_counter ++; rsc_mem_alloc_cnt_on_set_cfg = ux_test_utility_sim_mem_alloc_count(); rsc_sem_on_set_cfg = ux_test_utility_sim_sem_create_count(); rsc_sem_get_on_set_cfg = ux_test_utility_sim_sem_get_count(); rsc_mutex_on_set_cfg = ux_test_utility_sim_mutex_create_count(); } /* Define what the initial system looks like. */ #ifdef CTEST void test_application_define(void *first_unused_memory) #else void usbx_standalone_device_cdc_acm_transmission_test_application_define(void *first_unused_memory) #endif { UINT status; CHAR * stack_pointer; CHAR * memory_pointer; /* Inform user. */ printf("Running STANDALONE CDC ACM Transmission Test........................ "); #ifdef UX_DEVICE_CLASS_CDC_ACM_TRANSMISSION_DISABLE printf("Skipped\n"); test_control_return(0); return; #endif /* Reset testing counts. */ ux_test_utility_sim_mem_alloc_log_enable(UX_TRUE); ux_test_utility_sim_mem_alloc_count_reset(); ux_test_utility_sim_mutex_create_count_reset(); ux_test_utility_sim_sem_create_count_reset(); ux_test_utility_sim_sem_get_count_reset(); /* Reset error generations */ ux_test_utility_sim_sem_error_generation_stop(); ux_test_utility_sim_mutex_error_generation_stop(); ux_test_utility_sim_sem_get_error_generation_stop(); /* 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 #1\n"); 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(demo_system_host_change_function); if (status != UX_SUCCESS) { printf("ERROR #2\n"); test_control_return(1); } /* 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 #3\n"); test_control_return(1); } /* 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 #5\n"); test_control_return(1); } /* 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, ¶meter); if(status!=UX_SUCCESS) { printf("ERROR #6\n"); test_control_return(1); } /* Initialize the simulated device controller. */ status = _ux_dcd_sim_slave_initialize(); /* Check for error. */ if (status != TX_SUCCESS) { printf("ERROR #7\n"); 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_test_hcd_sim_host_initialize,0,0); if (status != UX_SUCCESS) { printf("ERROR #4\n"); test_control_return(1); } /* Create the main host simulation thread. */ status = tx_thread_create(&ux_test_thread_host_simulation, "tx demo host simulation", ux_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 #8\n"); test_control_return(1); } /* Create the main slave simulation thread. */ status = tx_thread_create(&ux_test_thread_slave_simulation, "tx demo slave simulation", ux_test_thread_slave_simulation_entry, 0, stack_pointer + UX_DEMO_STACK_SIZE, UX_DEMO_STACK_SIZE, 20, 20, 1, TX_AUTO_START); /* Check for error. */ if (status != TX_SUCCESS) { printf("ERROR #9\n"); test_control_return(1); } } static void test_thread_host_reception_callback(UX_HOST_CLASS_CDC_ACM *cdc_acm, UINT status, UCHAR *reception_buffer, ULONG reception_size) { ULONG i; /* And move to the next reception buffer. Check if we are at the end of the application buffer. */ if (cdc_acm_host_reception.ux_host_class_cdc_acm_reception_data_tail + cdc_acm_host_reception.ux_host_class_cdc_acm_reception_block_size >= cdc_acm_host_reception.ux_host_class_cdc_acm_reception_data_buffer + cdc_acm_host_reception.ux_host_class_cdc_acm_reception_data_buffer_size) /* We are at the end of the buffer. Move back to the beginning. */ cdc_acm_host_reception.ux_host_class_cdc_acm_reception_data_tail = cdc_acm_host_reception.ux_host_class_cdc_acm_reception_data_buffer; else /* Program the tail to be after the current buffer. */ cdc_acm_host_reception.ux_host_class_cdc_acm_reception_data_tail += cdc_acm_host_reception.ux_host_class_cdc_acm_reception_block_size; cdc_acm_host_reception_status = status; cdc_acm_host_reception_count ++; /* Save buffer. */ for (i = 0; (i < reception_size) && (cdc_acm_host_read_buffer_length < sizeof(cdc_acm_host_read_buffer)); i ++, cdc_acm_host_read_buffer_length ++) { cdc_acm_host_read_buffer[cdc_acm_host_read_buffer_length] = reception_buffer[i]; } return; } static void test_cdc_acm_device_transmission(void) { UINT status; ULONG actual_length; UCHAR test_chr; ULONG test_length; ULONG i, test; #define N_TEST 6 struct { UCHAR chr; ULONG len; } tests[N_TEST] = { {'$', 1}, {'A', 64}, {'N', 65}, {'3', UX_SLAVE_REQUEST_DATA_MAX_LENGTH - 64}, {'G', UX_SLAVE_REQUEST_DATA_MAX_LENGTH}, {'H', UX_SLAVE_REQUEST_DATA_MAX_LENGTH + 1}, }; /* Reception parameter */ cdc_acm_host_reception.ux_host_class_cdc_acm_reception_block_size = UX_DEMO_RECEPTION_BLOCK_SIZE; cdc_acm_host_reception.ux_host_class_cdc_acm_reception_data_buffer = cdc_acm_host_reception_buffer; cdc_acm_host_reception.ux_host_class_cdc_acm_reception_data_buffer_size = UX_DEMO_RECEPTION_BUFFER_SIZE; cdc_acm_host_reception.ux_host_class_cdc_acm_reception_callback = test_thread_host_reception_callback; /* Start reception. */ status = ux_host_class_cdc_acm_reception_start(cdc_acm_host_data, &cdc_acm_host_reception); if (status != UX_SUCCESS) { printf("ERROR #%d: reception start fail %x\n", __LINE__, status); test_control_return(1); } for (test = 0; test < N_TEST; test ++) { test_chr = tests[test].chr; test_length = tests[test].len; for (i = 0; i < test_length; i ++) { host_buffer[i] = test_chr; cdc_acm_host_read_buffer[i] = ~test_chr; } cdc_acm_host_read_buffer_length = 0; status = ux_host_class_cdc_acm_write(cdc_acm_host_data, host_buffer, test_length, &actual_length); UX_TEST_ASSERT_MESSAGE(status == UX_SUCCESS, "test_length %ld\n", test_length); if ((test_length & 63) == 0) { status = ux_host_class_cdc_acm_write(cdc_acm_host_data, host_buffer, 0, &actual_length); UX_TEST_ASSERT_MESSAGE(status == UX_SUCCESS, "test_length %ld\n", test_length); } /* Wait a while for background reception. */ tx_thread_sleep(test_length/64 + 10); UX_TEST_ASSERT_MESSAGE(cdc_acm_host_reception_status == UX_SUCCESS, "test_length %ld\n", test_length); if (cdc_acm_host_read_buffer_length != test_length) { printf("ERROR #%d, length not match %ld <> %ld\n", __LINE__, test_length, cdc_acm_host_read_buffer_length); test_control_return(1); } for (i = 0; i < test_length; i ++) { UX_TEST_ASSERT_MESSAGE(cdc_acm_host_read_buffer[i] == test_chr, "test_length %ld\n", test_length); } } /* Stop reception. */ ux_host_class_cdc_acm_reception_stop(cdc_acm_host_data, &cdc_acm_host_reception); } void ux_test_thread_host_simulation_entry(ULONG arg) { UINT status; stepinfo("\n"); /* Find the cdc_acm class and wait for the link to be up. */ status = demo_class_cdc_acm_get(); if (status != UX_SUCCESS) { /* CDC ACM basic test error. */ printf("ERROR #10\n"); test_control_return(1); } test_cdc_acm_device_transmission(); /* Finally disconnect the device. */ ux_device_stack_disconnect(); /* And deinitialize the class. */ status = 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(); /* Successful test. */ printf("SUCCESS!\n"); test_control_return(0); } #define TEST_N_BUFFER 64 static UCHAR test_cdc_acm_device_fifo[TEST_N_BUFFER][64]; static ULONG test_cdc_acm_device_fifo_length[TEST_N_BUFFER]; static ULONG test_cdc_acm_device_fifo_read_count; static ULONG test_cdc_acm_device_fifo_write_count; static UINT test_cdc_acm_device_fifo_read_status; static UINT test_cdc_acm_device_fifo_write_status; static UINT test_cdc_acm_device_write_callback( struct UX_SLAVE_CLASS_CDC_ACM_STRUCT *cdc_acm, UINT status, ULONG length) { UINT fifo_index; test_cdc_acm_device_fifo_write_status = status; test_cdc_acm_device_fifo_write_count ++; if (test_cdc_acm_device_fifo_write_count >= test_cdc_acm_device_fifo_read_count) return(0); fifo_index = test_cdc_acm_device_fifo_write_count % TEST_N_BUFFER; status = ux_device_class_cdc_acm_write_with_callback(cdc_acm_slave, test_cdc_acm_device_fifo[fifo_index], test_cdc_acm_device_fifo_length[fifo_index]); if (status != UX_SUCCESS) { printf("ERROR #%d write fail %x\n", __LINE__, status); test_control_return(1); } return(0); } static UINT test_cdc_acm_device_read_callback( struct UX_SLAVE_CLASS_CDC_ACM_STRUCT *cdc_acm, UINT status, UCHAR *data_pointer, ULONG length) { UINT fifo_index = test_cdc_acm_device_fifo_read_count % TEST_N_BUFFER; UINT start = test_cdc_acm_device_fifo_read_count == test_cdc_acm_device_fifo_write_count; test_cdc_acm_device_fifo_read_status = status; if (status != UX_SUCCESS) return(0); if (test_cdc_acm_device_fifo_read_count - test_cdc_acm_device_fifo_write_count > TEST_N_BUFFER) { printf("ERROR #%d fifo (%d) overflow\n", __LINE__, TEST_N_BUFFER); return(0); } test_cdc_acm_device_fifo_read_count ++; ux_utility_memory_copy(test_cdc_acm_device_fifo[fifo_index], data_pointer, length); test_cdc_acm_device_fifo_length[fifo_index] = length; if (!start) return(0); /* Try write. */ fifo_index = test_cdc_acm_device_fifo_write_count % TEST_N_BUFFER; ux_device_class_cdc_acm_write_with_callback(cdc_acm_slave, test_cdc_acm_device_fifo[fifo_index], test_cdc_acm_device_fifo_length[fifo_index]); return(0); } void ux_test_thread_slave_simulation_entry(ULONG arg) { UINT status; UX_SLAVE_CLASS_CDC_ACM *cdc_acm = UX_NULL; cdc_acm_slave_callback.ux_device_class_cdc_acm_parameter_read_callback = test_cdc_acm_device_read_callback; cdc_acm_slave_callback.ux_device_class_cdc_acm_parameter_write_callback = test_cdc_acm_device_write_callback; while(1) { /* Keep running device stack tasks. */ ux_system_tasks_run(); if (cdc_acm != cdc_acm_slave && cdc_acm_slave) { cdc_acm = cdc_acm_slave; /* Start transmission. */ test_cdc_acm_device_fifo_read_count = 0; test_cdc_acm_device_fifo_write_count = 0; status = ux_device_class_cdc_acm_ioctl(cdc_acm_slave, UX_SLAVE_CLASS_CDC_ACM_IOCTL_TRANSMISSION_START, (VOID*)&cdc_acm_slave_callback); if (status != UX_SUCCESS) { printf("ERROR %d transmission start fail %x\n", __LINE__, status); test_control_return(1); } } /* Let other threads run. */ tx_thread_relinquish(); } }