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558 lines (481 loc) · 26.5 KB
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/***************************************************************************
* Copyright (c) 2025-present 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
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** Overview */
/** */
/** */
/** */
/** Note */
/** */
/** This demonstration is not optimized, to optimize application user */
/** sould configuer related class flag in ux_user.h and adjust */
/** UX_DEVICE_MEMORY_STACK_SIZE */
/** */
/** */
/** AUTHOR */
/** */
/** Mohamed AYED */
/** */
/**************************************************************************/
/**************************************************************************/
#include "tx_api.h"
#include "ux_api.h"
#include "ux_device_class_cdc_acm.h"
#ifndef UX_DEVICE_SIDE_ONLY
#error UX_DEVICE_SIDE_ONLY must be defined
#endif
/**************************************************/
/** Define constants */
/**************************************************/
#define UX_DEVICE_MEMORY_STACK_SIZE (7*1024)
#define UX_DEMO_THREAD_STACK_SIZE (1*1024)
#define UX_DEMO_CDC_ACM_DEVICE_VID 0x090A
#define UX_DEMO_CDC_ACM_DEVICE_PID 0x4036
#define UX_DEMO_MAX_EP0_SIZE 0x40U
#define UX_DEMO_CONFIG_DESC_SIZE 0x22U
#define UX_DEMO_BCD_USB 0x0200
/**************************************************/
/** usbx device cdc acm demo callbacks */
/**************************************************/
VOID ux_demo_device_cdc_acm_instance_activate(VOID *cdc_acm_instance);
VOID ux_demo_device_cdc_acm_instance_deactivate(VOID *cdc_acm_instance);
VOID ux_demo_device_cdc_acm_instance_parameter_chage(VOID *cdc_acm_instance);
/**************************************************/
/** usbx application initialization with RTOS */
/**************************************************/
VOID tx_application_define(VOID *first_unused_memory);
/**************************************************/
/** usbx device cdc acm demo thread */
/**************************************************/
VOID ux_demo_device_cdc_acm_thread_entry(ULONG thread_input);
/**************************************************/
/** usbx device cdc acm demo */
/**************************************************/
/**************************************************/
/** usbx device cdc acm instance */
/**************************************************/
UX_SLAVE_CLASS_CDC_ACM *cdc_acm;
/**************************************************/
/** thread object */
/**************************************************/
static TX_THREAD ux_cdc_acm_thread;
static ULONG ux_cdc_acm_thread_stack[UX_DEMO_THREAD_STACK_SIZE / sizeof(ULONG)];
/**************************************************/
/** usbx callback error */
/**************************************************/
static VOID ux_demo_error_callback(UINT system_level, UINT system_context, UINT error_code);
static CHAR ux_system_memory_pool[UX_DEVICE_MEMORY_STACK_SIZE];
#ifndef EXTERNAL_MAIN
extern int board_setup(void);
#endif /* EXTERNAL_MAIN */
extern int usb_device_dcd_initialize(void *param);
/**************************************************/
/** USB Report descriptor */
/**************************************************/
#define DEVICE_FRAMEWORK_LENGTH_FULL_SPEED sizeof(ux_demo_device_framework_full_speed)
UCHAR ux_demo_device_framework_full_speed[] = {
/* Device descriptor */
0x12, /* bLength */
0x01, /* bDescriptorType */
UX_W0(UX_DEMO_BCD_USB), UX_W1(UX_DEMO_BCD_USB), /* bcdUSB */
0x02, /* bDeviceClass : 0x02 : CDC-Control */
0x02, /* bDeviceSubClass : 0x02 */
0x00, /* bDeviceProtocol : 0x00 : Reset */
UX_DEMO_MAX_EP0_SIZE, /* bMaxPacketSize0 */
UX_W0(UX_DEMO_CDC_ACM_DEVICE_VID), UX_W1(UX_DEMO_CDC_ACM_DEVICE_VID), /* idVendor : ... */
UX_W0(UX_DEMO_CDC_ACM_DEVICE_PID), UX_W1(UX_DEMO_CDC_ACM_DEVICE_PID), /* idProduct */
0x00, 0x01, /* bcdDevice */
0x01, /* iManufacturer */
0x02, /* iProduct */
0x03, /* iSerialNumber */
0x01, /* bNumConfigurations */
/* Configuration descriptor, total 75 */
0x09, /* bLength */
0x02, /* bDescriptorType */
UX_W0(UX_DEMO_CONFIG_DESC_SIZE), UX_W1(UX_DEMO_CONFIG_DESC_SIZE), /* wTotalLength */
0x02, /* bNumInterfaces */
0x01, /* bConfigurationValue */
0x00, /* iConfiguration */
0x40, /* bmAttributes */
/* D6 : 0x1 : Self-powered */
/* D5, Remote Wakeup : 0x0 : Not supported */
0x00, /* bMaxPower : 0 : 0mA */
/* Interface association descriptor */
0x08, /* bLength */
0x0b, /* bDescriptorType */
0x00, /* bFirstInterface */
0x02, /* bInterfaceCount */
0x02, /* bFunctionClass : 0x02 */
0x02, /* bFunctionSubClass : 0x02 */
0x00, /* bFunctionProtocol : 0x00 : Reset */
0x00, /* iFunction */
/* Interface descriptor */
0x09, /* bLength */
0x04, /* bDescriptorType */
0x00, /* bInterfaceNumber */
0x00, /* bAlternateSetting */
0x01, /* bNumEndpoints */
0x02, /* bInterfaceClass : 0x02 : CDC Control */
0x02, /* bInterfaceSubClass : 0x02 */
0x00, /* bInterfaceProtocol : 0x00 : Undefined */
0x00, /* iInterface */
/* CDC Header Functional Descriptor */
0x05, /* bLength */
0x24, /* bDescriptorType */
0x00, /* bDescriptorSubtype */
0x10, 0x01, /* bcdCDC : 0x0110 : CDC 1.1 */
/* CDC Call Management Functional Descriptor */
0x05, /* bLength */
0x24, /* bDescriptorType */
0x01, /* bDescriptorSubtype */
0x03, /* bmCapabilities */
/* D1 : 0x1 : Send/receive call management over Data Class interface */
/* D0 : 0x1 : Handle call management itself */
0x01, /* bDataInterface */
/* CDC Abstract Control Management Functional Descriptor */
0x04, /* bLength */
0x24, /* bDescriptorType */
0x02, /* bDescriptorSubtype */
0x0f, /* bmCapabilities */
/* D3, notification Network_Connection : 0x1 : Supported */
/* D2, request Send_Break : 0x1 : Supported */
/* D1, request Set_Line_Coding
Set_Control_Line_State
Get_Line_Coding and
notification Serial_State : 0x1 : Supported */
/* D0, request Set_Comm_Feature
Clear_Comm_Feature
Get_Comm_Feature : 0x1 : Supported */
/* CDC Union Functional Descriptor (1 slave interface) */
0x05, /* bLength */
0x24, /* bDescriptorType */
0x06, /* bDescriptorSubtype */
0x00, /* bMasterInterface */
0x01, /* bSlaveInterface0 */
/* Endpoint Descriptor */
0x07, /* bLength */
0x05, /* bDescriptorType */
0x83, /* bEndpointAddress */
/* D7, Direction : 0x01 */
/* D3..0, Endpoint number : 3 */
0x03, /* bmAttributes */
/* D1..0, Trasfer Type : 0x3 : Interrupt */
/* D3..2, Synchronization Type : 0x0 : No Synchronization */
/* D5..4, Usage Type : 0x0 : Data endpoint */
0x08, 0x00, /* wMaxPacketSize : 8 */
/* D10..0, Max Packet Size : 8 */
/* D12..11, Additional transactions : 0x00 */
0xff, /* bInterval : 255 */
/* Interface Descriptor */
0x09, /* bLength */
0x04, /* bDescriptorType */
0x01, /* bInterfaceNumber */
0x00, /* bAlternateSetting */
0x02, /* bNumEndpoints */
0x0a, /* bInterfaceClass : 0x0A : CDC Data */
0x00, /* bInterfaceSubClass : 0x00 : Undefined */
0x00, /* bInterfaceProtocol : 0x00 : Undefined */
0x00, /* iInterface */
/* Endpoint Descriptor */
0x07, /* bLength */
0x05, /* bDescriptorType */
0x02, /* bEndpointAddress */
/* D7, Direction : 0x00 */
/* D3..0, Endpoint number : 2 */
0x02, /* bmAttributes */
/* D1..0, Trasfer Type : 0x2 : Bulk */
/* D3..2, Synchronization Type : 0x0 : No Synchronization */
/* D5..4, Usage Type : 0x0 : Data endpoint */
0x40, 0x00, /* wMaxPacketSize : 64 */
/* D10..0, Max Packet Size : 64 */
/* D12..11, Additional transactions : 0x00 */
0x00, /* bInterval : 0 : 0 */
/* Endpoint Descriptor */
0x07, /* bLength */
0x05, /* bDescriptorType */
0x81, /* bEndpointAddress */
/* D7, Direction : 0x01 */
/* D3..0, Endpoint number : 1 */
0x02, /* bmAttributes */
/* D1..0, Trasfer Type : 0x2 : Bulk */
/* D3..2, Synchronization Type : 0x0 : No Synchronization */
/* D5..4, Usage Type : 0x0 : Data endpoint */
0x40, 0x00, /* wMaxPacketSize : 64 */
/* D10..0, Max Packet Size : 64 */
/* D12..11, Additional transactions : 0x00 */
0x00, /* bInterval : 0 : 0 */
};
#define DEVICE_FRAMEWORK_LENGTH_HIGH_SPEED sizeof(ux_demo_device_framework_high_speed)
UCHAR ux_demo_device_framework_high_speed[] = {
/* Device descriptor */
0x12, /* bLength */
0x01, /* bDescriptorType */
0x00, 0x02, /* bcdUSB : 0x0200 : USB 2.0 */
0x02, /* bDeviceClass : 0x02 : CDC-Control */
0x02, /* bDeviceSubClass : 0x02 */
0x00, /* bDeviceProtocol : 0x00 : Reset */
0x40, /* bMaxPacketSize0 : 64 : 64 */
0xC9, 0x1F, /* idVendor : 0x1FC9 */
0x94, 0x00, /* idProduct */
0x00, 0x01, /* bcdDevice */
0x01, /* iManufacturer */
0x02, /* iProduct */
0x03, /* iSerialNumber */
0x01, /* bNumConfigurations */
/* Device qualifier descriptor */
0x0A, /* bLength */
0x06, /* bDescriptorType */
0x00, 0x02, /* bcdUSB : 0x0200 : USB 2.0 */
0x02, /* bDeviceClass : 0x02 */
0x00, /* bDeviceSubClass : 0x00 : Reset */
0x00, /* bDeviceProtocol : 0x00 : Reset */
0x40, /* bMaxPacketSize0 : 64 : 64 */
0x01, /* bNumConfigurations */
0x00, /* bReserved */
/* Configuration descriptor */
0x09, /* bLength */
0x02, /* bDescriptorType */
0x4b, 0x00, /* wTotalLength : 75 */
0x02, /* bNumInterfaces */
0x01, /* bConfigurationValue */
0x00, /* iConfiguration */
0x40, /* bmAttributes */
/* D6 : 0x1 : Self-powered */
/* D5, Remote Wakeup : 0x0 : Not supported */
0x32, /* bMaxPower : 50 : 100mA */
/* Interface Association Descriptor */
0x08, /* bLength */
0x0b, /* bDescriptorType */
0x00, /* bFirstInterface */
0x02, /* bInterfaceCount */
0x02, /* bFunctionClass : 0x02 */
0x02, /* bFunctionSubClass : 0x02 */
0x00, /* bFunctionProtocol : 0x00 : Reset */
0x00, /* iFunction */
/* Interface Descriptor */
0x09, /* bLength */
0x04, /* bDescriptorType */
0x00, /* bInterfaceNumber */
0x00, /* bAlternateSetting */
0x01, /* bNumEndpoints */
0x02, /* bInterfaceClass : 0x02 : CDC Control */
0x02, /* bInterfaceSubClass : 0x02 */
0x00, /* bInterfaceProtocol : 0x00 : Undefined */
0x00, /* iInterface */
/* CDC Header Functional Descriptor */
0x05, /* bLength */
0x24, /* bDescriptorType */
0x00, /* bDescriptorSubtype */
0x10, 0x01, /* bcdCDC : 0x0110 : CDC 1.1 */
/* CDC Call Management Functional Descriptor */
0x05, /* bLength */
0x24, /* bDescriptorType */
0x01, /* bDescriptorSubtype */
0x00, /* bmCapabilities */
/* D1 : 0x0 : Send/receive call management over COMM Class interface */
/* D0 : 0x0 : Do not handle call management itself */
0x01, /* bDataInterface */
/* CDC Abstract Control Management Functional Descriptor */
0x04, /* bLength */
0x24, /* bDescriptorType */
0x02, /* bDescriptorSubtype */
0x06, /* bmCapabilities */
/* D3, notification Network_Connection : 0x0 : Not supported */
/* D2, request Send_Break : 0x1 : Supported */
/* D1, request Set_Line_Coding
Set_Control_Line_State
Get_Line_Coding
notification Serial_State : 0x1 : Supported */
/* D0, request Set_Comm_Feature
Clear_Comm_Feature
Get_Comm_Feature : 0x0 : Not supported */
/* CDC Union Functional Descriptor (1 slave interface) */
0x05, /* bLength */
0x24, /* bDescriptorType */
0x06, /* bDescriptorSubtype */
0x00, /* bMasterInterface */
0x01, /* bSlaveInterface0 */
/* Endpoint Descriptor */
0x07, /* bLength */
0x05, /* bDescriptorType */
0x83, /* bEndpointAddress */
/* D7, Direction : 0x01 */
/* D3..0, Endpoint number : 3 */
0x03, /* bmAttributes */
/* D1..0, Trasfer Type : 0x3 : Interrupt */
/* D3..2, Synchronization Type : 0x0 : No Synchronization */
/* D5..4, Usage Type : 0x0 : Data endpoint */
0x08, 0x00, /* wMaxPacketSize : 8 */
/* D10..0, Max Packet Size : 8 */
/* D12..11, Additional transactions : 0x00 */
0x0f, /* bInterval : 15 : 15ms / x16384 (FS 16384ms/HS 2048ms) */
/* Interface Descriptor */
0x09, /* bLength */
0x04, /* bDescriptorType */
0x01, /* bInterfaceNumber */
0x00, /* bAlternateSetting */
0x02, /* bNumEndpoints */
0x0a, /* bInterfaceClass : 0x0A : CDC Data */
0x00, /* bInterfaceSubClass : 0x00 : Undefined */
0x00, /* bInterfaceProtocol : 0x00 : Undefined */
0x00, /* iInterface */
/* Endpoint Descriptor */
0x07, /* bLength */
0x05, /* bDescriptorType */
0x02, /* bEndpointAddress */
/* D7, Direction : 0x00 */
/* D3..0, Endpoint number : 2 */
0x02, /* bmAttributes */
/* D1..0, Trasfer Type : 0x2 : Bulk */
/* D3..2, Synchronization Type : 0x0 : No Synchronization */
/* D5..4, Usage Type : 0x0 : Data endpoint */
0x00, 0x02, /* wMaxPacketSize : 512 */
/* D10..0, Max Packet Size : 512 */
/* D12..11, Additional transactions : 0x00 */
0x00, /* bInterval : 0 : 0 */
/* Endpoint Descriptor */
0x07, /* bLength */
0x05, /* bDescriptorType */
0x81, /* bEndpointAddress */
/* D7, Direction : 0x01 */
/* D3..0, Endpoint number : 1 */
0x02, /* bmAttributes */
/* D1..0, Trasfer Type : 0x2 : Bulk */
/* D3..2, Synchronization Type : 0x0 : No Synchronization */
/* D5..4, Usage Type : 0x0 : Data endpoint */
0x00, 0x02, /* wMaxPacketSize : 512 */
/* D10..0, Max Packet Size : 512 */
/* D12..11, Additional transactions : 0x00 */
0x00, /* bInterval : 0 : 0 */
};
/* 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
*/
#define STRING_FRAMEWORK_LENGTH sizeof(ux_demo_string_framework)
UCHAR ux_demo_string_framework[] = {
/* iManufacturer string descriptor : Index 1 */
0x09, 0x04, 0x01, 12,
'U', 'S', 'B', 'X', ' ', 'e', 'c', 'l', 'i', 'p', 's', 'e',
/* iProduct string descriptor : Index 2 */
0x09, 0x04, 0x02, 12,
'C', 'D', 'C', ' ', 'A', 'C', 'M', ' ', 'D', 'e', 'm', 'o',
/* iSerialNumber Number string descriptor : Index 3 */
0x09, 0x04, 0x03, 13,
'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1',
/* iConfiguration string descriptor : Index 4 */
0x09, 0x04, 0x04, 10,
'F', 'U', 'L', 'L', ' ', 'S', 'P', 'E', 'E', 'D',
/* iConfiguration string descriptor : Index 5 */
0x09, 0x04, 0x05, 10,
'H', 'I', 'G', 'H', ' ', 'S', 'P', 'E', 'E', 'D',
/* iInterface string descriptor : Index 6 */
0x09, 0x04, 0x06, 5,
'M', 'o', 'u', 's', 'e'
};
/* Multiple languages are supported on the device, to add a language besides english,
the unicode language code must be appended to the ux_demo_language_id_framework array and the length
adjusted accordingly.
*/
#define LANGUAGE_ID_FRAMEWORK_LENGTH sizeof(ux_demo_language_id_framework)
UCHAR ux_demo_language_id_framework[] = {
/* English. */
0x09, 0x04
};
#ifndef EXTERNAL_MAIN
int main(void)
{
/* Initialize the board. */
board_setup();
/* Enter the ThreadX kernel. */
tx_kernel_enter();
}
#endif /* EXTERNAL_MAIN */
VOID tx_application_define(VOID *first_unused_memory)
{
CHAR *memory_pointer;
UINT status;
UX_SLAVE_CLASS_CDC_ACM_PARAMETER cdc_acm_parameter;
UX_PARAMETER_NOT_USED(first_unused_memory);
/* Use static memory block. */
memory_pointer = ux_system_memory_pool;
/* Initialize USBX Memory */
status = ux_system_initialize(memory_pointer, UX_DEVICE_MEMORY_STACK_SIZE, UX_NULL, 0);
if(status != UX_SUCCESS)
return;
/* Install the device portion of USBX. */
status = ux_device_stack_initialize(ux_demo_device_framework_high_speed, DEVICE_FRAMEWORK_LENGTH_HIGH_SPEED,
ux_demo_device_framework_full_speed, DEVICE_FRAMEWORK_LENGTH_FULL_SPEED,
ux_demo_string_framework, STRING_FRAMEWORK_LENGTH,
ux_demo_language_id_framework, LANGUAGE_ID_FRAMEWORK_LENGTH,
UX_NULL);
if(status != UX_SUCCESS)
return;
/* Initialize the cdc acm class parameters for the device */
cdc_acm_parameter.ux_slave_class_cdc_acm_instance_activate = ux_demo_device_cdc_acm_instance_activate;
cdc_acm_parameter.ux_slave_class_cdc_acm_instance_deactivate = ux_demo_device_cdc_acm_instance_deactivate;
cdc_acm_parameter.ux_slave_class_cdc_acm_parameter_change = ux_demo_device_cdc_acm_instance_parameter_chage;
/* Initialize the device cdc acm class. The class is connected with interface 0 on configuration 1. */
status = ux_device_stack_class_register(_ux_system_slave_class_cdc_acm_name, ux_device_class_cdc_acm_entry,
1, 0, (VOID *)&cdc_acm_parameter);
if(status != UX_SUCCESS)
return;
/* Create the main demo thread. */
status = ux_utility_thread_create(&ux_cdc_acm_thread, "cdc_acm_usbx_app_thread_entry",
ux_demo_device_cdc_acm_thread_entry, 0, ux_cdc_acm_thread_stack,
UX_DEMO_THREAD_STACK_SIZE, 20, 20, 1, TX_AUTO_START);
if(status != UX_SUCCESS)
return;
/* error callback */
ux_utility_error_callback_register(ux_demo_error_callback);
}
/********************************************************************/
/** ux_demo_device_cdc_acm_instance_activate */
/********************************************************************/
VOID ux_demo_device_cdc_acm_instance_activate(VOID *cdc_acm_instance)
{
if (cdc_acm == UX_NULL)
cdc_acm = (UX_SLAVE_CLASS_CDC_ACM*) cdc_acm_instance;
}
/********************************************************************/
/** ux_demo_device_cdc_acm_instance_deactivate */
/********************************************************************/
VOID ux_demo_device_cdc_acm_instance_deactivate(VOID *cdc_acm_instance)
{
if (cdc_acm_instance == (VOID *)cdc_acm)
cdc_acm = UX_NULL;
}
/********************************************************************/
/** ux_demo_device_cdc_acm_instance_parameter_chage */
/********************************************************************/
VOID ux_demo_device_cdc_acm_instance_parameter_chage(VOID *cdc_acm_instance)
{
}
/********************************************************************/
/** ux_demo_device_cdc_acm_thread_entry: cdc acm thread */
/********************************************************************/
VOID ux_demo_device_cdc_acm_thread_entry(ULONG thread_input)
{
UX_PARAMETER_NOT_USED(thread_input);
/* Register the USB device controllers available in this system. */
usb_device_dcd_initialize(UX_NULL);
}
static VOID ux_demo_error_callback(UINT system_level, UINT system_context, UINT error_code)
{
/*
* Refer to ux_api.h. For example,
* UX_SYSTEM_LEVEL_INTERRUPT, UX_SYSTEM_CONTEXT_DCD, UX_DEVICE_HANDLE_UNKNOWN
*/
printf("USBX error: system level(%d), context(%d), error code(0x%x)\r\n", system_level, system_context, error_code);
}