Extend USB test class configuration

feature-hal-spec-usb-device
Maciej Bocianski 2018-04-25 15:15:40 +02:00 committed by Russ Butler
parent af5c99d5c1
commit 54f21c3526
2 changed files with 351 additions and 106 deletions

View File

@ -21,6 +21,7 @@
#include "EndpointResolver.h"
#define DEFAULT_CONFIGURATION (1)
#define LAST_CONFIGURATION (2)
#define VENDOR_TEST_CTRL_IN 1
#define VENDOR_TEST_CTRL_OUT 2
@ -39,7 +40,7 @@
USBTester::USBTester(USBPhy *phy, uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect_blocking):
USBDevice(phy, vendor_id, product_id, product_release), reset_count(0), suspend_count(0),
resume_count(0), interface_set(NONE), configuration_set(NONE)
resume_count(0), interface_0_alt_set(NONE), interface_1_alt_set(NONE), configuration_set(NONE)
{
EndpointResolver resolver(endpoint_table());
@ -87,16 +88,6 @@ void USBTester::suspend(bool suspended)
}
}
void USBTester::remove_endpoints()
{
if(configuration_set == 1) {
endpoint_remove(int_in);
endpoint_remove(int_out);
endpoint_remove(bulk_in);
endpoint_remove(bulk_out);
}
}
const char *USBTester::get_serial_desc_string()
{
return get_desc_string(string_iserial_desc());
@ -112,13 +103,12 @@ const char *USBTester::get_iproduct_desc_string()
return get_desc_string(string_iserial_desc());
}
void USBTester::callback_state_change(DeviceState new_state)
{
if (new_state != Configured) {
configuration_set = NONE;
interface_set = NONE;
interface_0_alt_set = NONE;
interface_1_alt_set = NONE;
}
}
@ -205,7 +195,7 @@ void USBTester::callback_request_xfer_done(const setup_packet_t *setup, bool abo
break;
}
}
complete_request_xfer_done(true);
complete_request_xfer_done(result);
}
// Called in ISR context
@ -213,58 +203,146 @@ void USBTester::callback_request_xfer_done(const setup_packet_t *setup, bool abo
// configuration is not supported.
void USBTester::callback_set_configuration(uint8_t configuration)
{
if (configuration == DEFAULT_CONFIGURATION) {
complete_set_configuration(set_configuration(configuration));
} else {
complete_set_configuration(false);
bool ret = false;
if (configuration >= DEFAULT_CONFIGURATION && configuration <= LAST_CONFIGURATION) {
endpoint_remove_all();
ret = set_configuration(configuration);
}
complete_set_configuration(ret);
}
bool USBTester::setup_iterface(uint8_t ep_in, uint8_t ep_out, uint32_t ep_size, usb_ep_type_t ep_type,
uint8_t *buf, uint32_t buf_size, void (USBTester::*callback)(usb_ep_t endpoint))
{
bool success = false;
success = endpoint_add(ep_in, ep_size, ep_type);
success &= endpoint_add(ep_out, ep_size, ep_type, callback);
success &= read_start(ep_out, buf, buf_size);
return success;
}
void USBTester::remove_iterface(uint16_t interface)
{
if (configuration_set == 1) {
if (interface == 0) {
endpoint_remove(bulk_in);
endpoint_remove(bulk_out);
interface_0_alt_set = NONE;
}
if (interface == 1) {
endpoint_remove(int_in);
endpoint_remove(int_out);
interface_1_alt_set = NONE;
}
}
if (configuration_set == 2) {
if (interface == 0) {
endpoint_remove(int_in);
endpoint_remove(int_out);
interface_0_alt_set = NONE;
}
if (interface == 1) {
endpoint_remove(bulk_in);
endpoint_remove(bulk_out);
interface_1_alt_set = NONE;
}
}
}
bool USBTester::set_configuration(uint16_t configuration)
{
if(set_interface(configuration, 0, 0)) {
configuration_set = configuration;
return true;
bool success = false;
// set 0 alt setting for each interface
if (configuration == 1) {
// interface 0 alternate 0
success = setup_iterface(bulk_in, bulk_out, MAX_EP_SIZE, USB_EP_TYPE_BULK,
bulk_buf, sizeof(bulk_buf), &USBTester::epbulk_out_callback);
// interface 1 alternate 0
success &= setup_iterface(int_in, int_out, MAX_EP_SIZE, USB_EP_TYPE_INT,
int_buf, sizeof(int_buf), &USBTester::epint_out_callback);
} else if (configuration == 2) {
// interface 0 alternate 0
success = setup_iterface(int_in, int_out, MIN_EP_SIZE, USB_EP_TYPE_INT,
int_buf, sizeof(int_buf), &USBTester::epint_out_callback);
// interface 1 alternate 0
success &= setup_iterface(bulk_in, bulk_out, MIN_EP_SIZE, USB_EP_TYPE_BULK,
bulk_buf, sizeof(bulk_buf), &USBTester::epbulk_out_callback);
}
return false;
if (success) {
configuration_set = configuration;
interface_0_alt_set = interface_1_alt_set = 0;
}
return success;
}
void USBTester::callback_set_interface(uint16_t interface, uint8_t alternate)
{
bool success = set_interface(configuration_set, interface, alternate);
complete_set_interface(success);
complete_set_interface(set_interface(interface, alternate));
}
bool USBTester::set_interface(uint16_t configuration, uint16_t interface, uint16_t alternate)
bool USBTester::set_interface(uint16_t interface, uint16_t alternate)
{
bool success = false;
if (configuration == 1) {
if (interface == 0 && alternate == 0) {
remove_endpoints();
endpoint_add(int_in, MAX_EP_SIZE, USB_EP_TYPE_INT);
endpoint_add(int_out, MAX_EP_SIZE, USB_EP_TYPE_INT, &USBTester::epint_out_callback);
read_start(int_out, int_buf, sizeof(int_buf));
endpoint_add(bulk_in, MAX_EP_SIZE, USB_EP_TYPE_BULK);
endpoint_add(bulk_out, MAX_EP_SIZE, USB_EP_TYPE_BULK, &USBTester::epbulk_out_callback);
read_start(bulk_out, bulk_buf, sizeof(bulk_buf));
interface_set = interface;
success = true;
if (interface == 0) {
if (configuration_set == 1) {
if (alternate == 0) {
remove_iterface(interface);
success = setup_iterface(bulk_in, bulk_out, MAX_EP_SIZE, USB_EP_TYPE_BULK,
bulk_buf, sizeof(bulk_buf), &USBTester::epbulk_out_callback);
}
if (alternate == 1) {
remove_iterface(interface);
success = setup_iterface(bulk_in, bulk_out, MIN_EP_SIZE, USB_EP_TYPE_BULK,
bulk_buf, sizeof(bulk_buf), &USBTester::epbulk_out_callback);
}
}
if (interface == 0 && alternate == 1) {
remove_endpoints();
endpoint_add(int_in, MIN_EP_SIZE, USB_EP_TYPE_INT);
endpoint_add(int_out, MIN_EP_SIZE, USB_EP_TYPE_INT, &USBTester::epint_out_callback);
read_start(int_out, int_buf, sizeof(int_buf));
endpoint_add(bulk_in, MIN_EP_SIZE, USB_EP_TYPE_BULK);
endpoint_add(bulk_out, MIN_EP_SIZE, USB_EP_TYPE_BULK, &USBTester::epbulk_out_callback);
read_start(bulk_out, bulk_buf, sizeof(bulk_buf));
interface_set = interface;
success = true;
if (configuration_set == 2) {
if (alternate == 0) {
remove_iterface(interface);
success = setup_iterface(int_in, int_out, MIN_EP_SIZE, USB_EP_TYPE_INT,
int_buf, sizeof(int_buf), &USBTester::epint_out_callback);
}
if (alternate == 1) {
remove_iterface(interface);
success = setup_iterface(int_in, int_out, MAX_EP_SIZE, USB_EP_TYPE_INT,
int_buf, sizeof(int_buf), &USBTester::epint_out_callback);
}
}
if (success) {
interface_0_alt_set = alternate;
}
}
if (interface == 1) {
if (configuration_set == 1) {
if (alternate == 0) {
remove_iterface(interface);
success = setup_iterface(int_in, int_out, MAX_EP_SIZE, USB_EP_TYPE_INT,
int_buf, sizeof(int_buf), &USBTester::epint_out_callback);
}
if (alternate == 1) {
remove_iterface(interface);
success = setup_iterface(int_in, int_out, MIN_EP_SIZE, USB_EP_TYPE_INT,
int_buf, sizeof(int_buf), &USBTester::epint_out_callback);
}
}
if (configuration_set == 2) {
if (alternate == 0) {
remove_iterface(interface);
success = setup_iterface(bulk_in, bulk_out, MIN_EP_SIZE, USB_EP_TYPE_BULK,
bulk_buf, sizeof(bulk_buf), &USBTester::epbulk_out_callback);
}
if (alternate == 1) {
remove_iterface(interface);
success = setup_iterface(bulk_in, bulk_out, MAX_EP_SIZE, USB_EP_TYPE_BULK,
bulk_buf, sizeof(bulk_buf), &USBTester::epbulk_out_callback);
}
}
if (success) {
interface_1_alt_set = alternate;
}
}
return success;
@ -287,7 +365,7 @@ const uint8_t *USBTester::device_desc()
1, // iManufacturer
2, // iProduct
3, // iSerialNumber
1 // bNumConfigurations
2 // bNumConfigurations
};
MBED_ASSERT(sizeof(device_descriptor_temp) == sizeof(device_descriptor));
memcpy(device_descriptor, device_descriptor_temp, sizeof(device_descriptor));
@ -317,30 +395,31 @@ const uint8_t *USBTester::string_iproduct_desc()
}
#define CONFIG1_DESC_SIZE (9+9+7+7+7+7 + 9+7+7+7+7)
#define CONFIG_1_DESC_SIZE (9+9+7+7 + 9+7+7 + 9+7+7 + 9+7+7)
#define CONFIG_2_DESC_SIZE (9+9+7+7 + 9+7+7 + 9+7+7 + 9+7+7)
const uint8_t *USBTester::configuration_desc(uint8_t index)
{
static const uint8_t config_descriptor[] = {
static const uint8_t config_1_descriptor[] = {
// configuration descriptor
9, // bLength
2, // bDescriptorType
LSB(CONFIG1_DESC_SIZE), // wTotalLength
MSB(CONFIG1_DESC_SIZE),
1, // bNumInterfaces
1, // bConfigurationValue
0, // iConfiguration
0x80, // bmAttributes
50, // bMaxPower
CONFIGURATION_DESCRIPTOR_LENGTH,// bLength
CONFIGURATION_DESCRIPTOR, // bDescriptorType
LSB(CONFIG_1_DESC_SIZE), // wTotalLength
MSB(CONFIG_1_DESC_SIZE),
2, // bNumInterfaces
1, // bConfigurationValue
0, // iConfiguration
0x80, // bmAttributes
50, // bMaxPower
// Interface 0 setting 0
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
INTERFACE_DESCRIPTOR_LENGTH,// bLength
INTERFACE_DESCRIPTOR, // bDescriptorType
0, // bInterfaceNumber
0, // bAlternateSetting
4, // bNumEndpoints
2, // bNumEndpoints
0xFF, // bInterfaceClass
0xFF, // bInterfaceSubClass
0xFF, // bInterfaceProtocol
@ -351,26 +430,70 @@ const uint8_t *USBTester::configuration_desc(uint8_t index)
ENDPOINT_DESCRIPTOR, // bDescriptorType
bulk_in, // bEndpointAddress
E_BULK, // bmAttributes (0x02=bulk)
LSB(MAX_EP_SIZE),// wMaxPacketSize (LSB)
MSB(MAX_EP_SIZE),// wMaxPacketSize (MSB)
0, // bInterval
LSB(MAX_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MAX_EP_SIZE), // wMaxPacketSize (MSB)
1, // bInterval
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
bulk_out, // bEndpointAddress
E_BULK, // bmAttributes (0x02=bulk)
LSB(MAX_EP_SIZE),// wMaxPacketSize (LSB)
MSB(MAX_EP_SIZE),// wMaxPacketSize (MSB)
0, // bInterval
LSB(MAX_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MAX_EP_SIZE), // wMaxPacketSize (MSB)
1, // bInterval
// Interface 0 setting 1
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
INTERFACE_DESCRIPTOR_LENGTH,// bLength
INTERFACE_DESCRIPTOR, // bDescriptorType
0, // bInterfaceNumber
1, // bAlternateSetting
2, // bNumEndpoints
0xFF, // bInterfaceClass
0xFF, // bInterfaceSubClass
0xFF, // bInterfaceProtocol
0, // iInterface
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
bulk_in, // bEndpointAddress
E_BULK, // bmAttributes (0x02=bulk)
LSB(MIN_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MIN_EP_SIZE), // wMaxPacketSize (MSB)
1, // bInterval
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
bulk_out, // bEndpointAddress
E_BULK, // bmAttributes (0x02=bulk)
LSB(MIN_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MIN_EP_SIZE), // wMaxPacketSize (MSB)
1, // bInterval
// Interface 1 setting 0
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
INTERFACE_DESCRIPTOR_LENGTH,// bLength
INTERFACE_DESCRIPTOR, // bDescriptorType
1, // bInterfaceNumber
0, // bAlternateSetting
2, // bNumEndpoints
0xFF, // bInterfaceClass
0xFF, // bInterfaceSubClass
0xFF, // bInterfaceProtocol
0, // iInterface
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
int_in, // bEndpointAddress
E_INTERRUPT, // bmAttributes (0x03=interrupt)
LSB(MAX_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MAX_EP_SIZE), // wMaxPacketSize (MSB)
LSB(MAX_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MAX_EP_SIZE), // wMaxPacketSize (MSB)
1, // bInterval
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
@ -378,41 +501,23 @@ const uint8_t *USBTester::configuration_desc(uint8_t index)
ENDPOINT_DESCRIPTOR, // bDescriptorType
int_out, // bEndpointAddress
E_INTERRUPT, // bmAttributes (0x03=interrupt)
LSB(MAX_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MAX_EP_SIZE), // wMaxPacketSize (MSB)
LSB(MAX_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MAX_EP_SIZE), // wMaxPacketSize (MSB)
1, // bInterval
// Interface 0 setting 1
// Interface 1 setting 1
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
0, // bInterfaceNumber
INTERFACE_DESCRIPTOR_LENGTH,// bLength
INTERFACE_DESCRIPTOR, // bDescriptorType
1, // bInterfaceNumber
1, // bAlternateSetting
4, // bNumEndpoints
2, // bNumEndpoints
0xFF, // bInterfaceClass
0xFF, // bInterfaceSubClass
0xFF, // bInterfaceProtocol
0, // iInterface
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
bulk_in, // bEndpointAddress
E_BULK, // bmAttributes (0x02=bulk)
LSB(MIN_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MIN_EP_SIZE), // wMaxPacketSize (MSB)
0, // bInterval
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
bulk_out, // bEndpointAddress
E_BULK, // bmAttributes (0x02=bulk)
LSB(MIN_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MIN_EP_SIZE), // wMaxPacketSize (MSB)
0, // bInterval
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
@ -430,16 +535,154 @@ const uint8_t *USBTester::configuration_desc(uint8_t index)
LSB(MIN_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MIN_EP_SIZE), // wMaxPacketSize (MSB)
1 // bInterval
};
static const uint8_t config_2_descriptor[] = {
// configuration descriptor
CONFIGURATION_DESCRIPTOR_LENGTH,// bLength
CONFIGURATION_DESCRIPTOR, // bDescriptorType
LSB(CONFIG_2_DESC_SIZE), // wTotalLength
MSB(CONFIG_2_DESC_SIZE),
2, // bNumInterfaces
2, // bConfigurationValue
0, // iConfiguration
0x80, // bmAttributes
50, // bMaxPower
// Interface 0 setting 0
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
INTERFACE_DESCRIPTOR_LENGTH,// bLength
INTERFACE_DESCRIPTOR, // bDescriptorType
0, // bInterfaceNumber
0, // bAlternateSetting
2, // bNumEndpoints
0xFF, // bInterfaceClass
0xFF, // bInterfaceSubClass
0xFF, // bInterfaceProtocol
0, // iInterface
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
int_in, // bEndpointAddress
E_INTERRUPT, // bmAttributes (0x03=interrupt)
LSB(MIN_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MIN_EP_SIZE), // wMaxPacketSize (MSB)
1, // bInterval
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
int_out, // bEndpointAddress
E_INTERRUPT, // bmAttributes (0x03=interrupt)
LSB(MIN_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MIN_EP_SIZE), // wMaxPacketSize (MSB)
1, // bInterval
// Interface 0 setting 1
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
INTERFACE_DESCRIPTOR_LENGTH,// bLength
INTERFACE_DESCRIPTOR, // bDescriptorType
0, // bInterfaceNumber
1, // bAlternateSetting
2, // bNumEndpoints
0xFF, // bInterfaceClass
0xFF, // bInterfaceSubClass
0xFF, // bInterfaceProtocol
0, // iInterface
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
int_in, // bEndpointAddress
E_INTERRUPT, // bmAttributes (0x03=interrupt)
LSB(MAX_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MAX_EP_SIZE), // wMaxPacketSize (MSB)
1, // bInterval
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
int_out, // bEndpointAddress
E_INTERRUPT, // bmAttributes (0x03=interrupt)
LSB(MAX_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MAX_EP_SIZE), // wMaxPacketSize (MSB)
1, // bInterval
// Interface 1 setting 0
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
INTERFACE_DESCRIPTOR_LENGTH,// bLength
INTERFACE_DESCRIPTOR, // bDescriptorType
1, // bInterfaceNumber
0, // bAlternateSetting
2, // bNumEndpoints
0xFF, // bInterfaceClass
0xFF, // bInterfaceSubClass
0xFF, // bInterfaceProtocol
0, // iInterface
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
bulk_in, // bEndpointAddress
E_BULK, // bmAttributes (0x02=bulk)
LSB(MIN_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MIN_EP_SIZE), // wMaxPacketSize (MSB)
1, // bInterval
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
bulk_out, // bEndpointAddress
E_BULK, // bmAttributes (0x02=bulk)
LSB(MIN_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MIN_EP_SIZE), // wMaxPacketSize (MSB)
1, // bInterval
// Interface 1 setting 1
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
INTERFACE_DESCRIPTOR_LENGTH,// bLength
INTERFACE_DESCRIPTOR, // bDescriptorType
1, // bInterfaceNumber
1, // bAlternateSetting
2, // bNumEndpoints
0xFF, // bInterfaceClass
0xFF, // bInterfaceSubClass
0xFF, // bInterfaceProtocol
0, // iInterface
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
bulk_in, // bEndpointAddress
E_BULK, // bmAttributes (0x02=bulk)
LSB(MAX_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MAX_EP_SIZE), // wMaxPacketSize (MSB)
1, // bInterval
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
bulk_out, // bEndpointAddress
E_BULK, // bmAttributes (0x02=bulk)
LSB(MAX_EP_SIZE), // wMaxPacketSize (LSB)
MSB(MAX_EP_SIZE), // wMaxPacketSize (MSB)
1 // bInterval
};
if (index == 0) {
return config_descriptor;
return config_1_descriptor;
} else if (index == 1) {
return config_2_descriptor;
} else {
return NULL;
}
}
void USBTester::epint_out_callback(usb_ep_t endpoint)
{
read_finish(endpoint);
@ -450,4 +693,3 @@ void USBTester::epbulk_out_callback(usb_ep_t endpoint)
read_finish(endpoint);
read_start(endpoint, bulk_buf, sizeof(bulk_buf));
}

View File

@ -59,10 +59,13 @@ private:
enum { NONE = -1 };
const char *get_desc_string(const uint8_t *desc);
virtual void suspend(bool suspended);
void remove_endpoints();
bool set_configuration(uint16_t configuration);
bool set_interface(uint16_t configuration, uint16_t interface, uint16_t alternate);
int16_t interface_set;
bool set_interface(uint16_t interface, uint16_t alternate);
bool setup_iterface(uint8_t ep_in, uint8_t ep_out, uint32_t ep_size, usb_ep_type_t ep_type,
uint8_t *buf, uint32_t buf_size, void (USBTester::*callback)(usb_ep_t endpoint));
void remove_iterface(uint16_t interface);
int16_t interface_0_alt_set;
int16_t interface_1_alt_set;
int16_t configuration_set;
protected: