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unleashed-firmware/applications/plugins/dap_link/usb/dap_v2_usb.c
Sergey Gavrilov f56c94922d
CMSIS DAP/DAP Link Debugger (#1897) 
* Apps: DAP Link
* API: furi_hal_console_init

Co-authored-by: あく <alleteam@gmail.com>
2022-10-20 20:42:55 +09:00

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#include <furi.h>
#include <usb.h>
#include <usb_std.h>
#include <usb_hid.h>
#include <usb_cdc.h>
#include <furi_hal_console.h>
#include "dap_v2_usb.h"
// #define DAP_USB_LOG
#define HID_EP_IN 0x80
#define HID_EP_OUT 0x00
#define DAP_HID_EP_SEND 1
#define DAP_HID_EP_RECV 2
#define DAP_HID_EP_BULK_RECV 3
#define DAP_HID_EP_BULK_SEND 4
#define DAP_CDC_EP_COMM 5
#define DAP_CDC_EP_SEND 6
#define DAP_CDC_EP_RECV 7
#define DAP_HID_EP_IN (HID_EP_IN | DAP_HID_EP_SEND)
#define DAP_HID_EP_OUT (HID_EP_OUT | DAP_HID_EP_RECV)
#define DAP_HID_EP_BULK_IN (HID_EP_IN | DAP_HID_EP_BULK_SEND)
#define DAP_HID_EP_BULK_OUT (HID_EP_OUT | DAP_HID_EP_BULK_RECV)
#define DAP_HID_EP_SIZE 64
#define DAP_CDC_COMM_EP_SIZE 8
#define DAP_CDC_EP_SIZE 64
#define DAP_BULK_INTERVAL 0
#define DAP_HID_INTERVAL 1
#define DAP_CDC_INTERVAL 0
#define DAP_CDC_COMM_INTERVAL 1
#define DAP_HID_VID 0x0483
#define DAP_HID_PID 0x5740
#define DAP_USB_EP0_SIZE 8
#define EP_CFG_DECONFIGURE 0
#define EP_CFG_CONFIGURE 1
enum {
USB_INTF_HID,
USB_INTF_BULK,
USB_INTF_CDC_COMM,
USB_INTF_CDC_DATA,
USB_INTF_COUNT,
};
enum {
USB_STR_ZERO,
USB_STR_MANUFACTURER,
USB_STR_PRODUCT,
USB_STR_SERIAL_NUMBER,
USB_STR_CMSIS_DAP_V1,
USB_STR_CMSIS_DAP_V2,
USB_STR_COM_PORT,
USB_STR_COUNT,
};
// static const char* usb_str[] = {
// [USB_STR_MANUFACTURER] = "Flipper Devices Inc.",
// [USB_STR_PRODUCT] = "Combined VCP and CMSIS-DAP Adapter",
// [USB_STR_COM_PORT] = "Virtual COM-Port",
// [USB_STR_CMSIS_DAP_V1] = "CMSIS-DAP v1 Adapter",
// [USB_STR_CMSIS_DAP_V2] = "CMSIS-DAP v2 Adapter",
// [USB_STR_SERIAL_NUMBER] = "01234567890ABCDEF",
// };
static const struct usb_string_descriptor dev_manuf_descr =
USB_STRING_DESC("Flipper Devices Inc.");
static const struct usb_string_descriptor dev_prod_descr =
USB_STRING_DESC("Combined VCP and CMSIS-DAP Adapter");
static struct usb_string_descriptor* dev_serial_descr = NULL;
static const struct usb_string_descriptor dev_dap_v1_descr =
USB_STRING_DESC("CMSIS-DAP v1 Adapter");
static const struct usb_string_descriptor dev_dap_v2_descr =
USB_STRING_DESC("CMSIS-DAP v2 Adapter");
static const struct usb_string_descriptor dev_com_descr = USB_STRING_DESC("Virtual COM-Port");
struct HidConfigDescriptor {
struct usb_config_descriptor configuration;
// CMSIS-DAP v1
struct usb_interface_descriptor hid_interface;
struct usb_hid_descriptor hid;
struct usb_endpoint_descriptor hid_ep_in;
struct usb_endpoint_descriptor hid_ep_out;
// CMSIS-DAP v2
struct usb_interface_descriptor bulk_interface;
struct usb_endpoint_descriptor bulk_ep_out;
struct usb_endpoint_descriptor bulk_ep_in;
// CDC
struct usb_iad_descriptor iad;
struct usb_interface_descriptor interface_comm;
struct usb_cdc_header_desc cdc_header;
struct usb_cdc_call_mgmt_desc cdc_acm;
struct usb_cdc_acm_desc cdc_call_mgmt;
struct usb_cdc_union_desc cdc_union;
struct usb_endpoint_descriptor ep_comm;
struct usb_interface_descriptor interface_data;
struct usb_endpoint_descriptor ep_in;
struct usb_endpoint_descriptor ep_out;
} __attribute__((packed));
static const struct usb_device_descriptor hid_device_desc = {
.bLength = sizeof(struct usb_device_descriptor),
.bDescriptorType = USB_DTYPE_DEVICE,
.bcdUSB = VERSION_BCD(2, 1, 0),
.bDeviceClass = USB_CLASS_MISC,
.bDeviceSubClass = USB_SUBCLASS_IAD,
.bDeviceProtocol = USB_PROTO_IAD,
.bMaxPacketSize0 = DAP_USB_EP0_SIZE,
.idVendor = DAP_HID_VID,
.idProduct = DAP_HID_PID,
.bcdDevice = VERSION_BCD(1, 0, 0),
.iManufacturer = USB_STR_MANUFACTURER,
.iProduct = USB_STR_PRODUCT,
.iSerialNumber = USB_STR_SERIAL_NUMBER,
.bNumConfigurations = 1,
};
static const uint8_t hid_report_desc[] = {
0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
0x09, 0x00, // Usage (Undefined)
0xa1, 0x01, // Collection (Application)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xff, 0x00, // Logical Maximum (255)
0x75, 0x08, // Report Size (8)
0x95, 0x40, // Report Count (64)
0x09, 0x00, // Usage (Undefined)
0x81, 0x82, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x75, 0x08, // Report Size (8)
0x95, 0x40, // Report Count (64)
0x09, 0x00, // Usage (Undefined)
0x91, 0x82, // Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Volatile)
0xc0, // End Collection
};
static const struct HidConfigDescriptor hid_cfg_desc = {
.configuration =
{
.bLength = sizeof(struct usb_config_descriptor),
.bDescriptorType = USB_DTYPE_CONFIGURATION,
.wTotalLength = sizeof(struct HidConfigDescriptor),
.bNumInterfaces = USB_INTF_COUNT,
.bConfigurationValue = 1,
.iConfiguration = NO_DESCRIPTOR,
.bmAttributes = USB_CFG_ATTR_RESERVED,
.bMaxPower = USB_CFG_POWER_MA(500),
},
// CMSIS-DAP v1
.hid_interface =
{
.bLength = sizeof(struct usb_interface_descriptor),
.bDescriptorType = USB_DTYPE_INTERFACE,
.bInterfaceNumber = USB_INTF_HID,
.bAlternateSetting = 0,
.bNumEndpoints = 2,
.bInterfaceClass = USB_CLASS_HID,
.bInterfaceSubClass = USB_HID_SUBCLASS_NONBOOT,
.bInterfaceProtocol = USB_HID_PROTO_NONBOOT,
.iInterface = USB_STR_CMSIS_DAP_V1,
},
.hid =
{
.bLength = sizeof(struct usb_hid_descriptor),
.bDescriptorType = USB_DTYPE_HID,
.bcdHID = VERSION_BCD(1, 1, 1),
.bCountryCode = USB_HID_COUNTRY_NONE,
.bNumDescriptors = 1,
.bDescriptorType0 = USB_DTYPE_HID_REPORT,
.wDescriptorLength0 = sizeof(hid_report_desc),
},
.hid_ep_in =
{
.bLength = sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = USB_DTYPE_ENDPOINT,
.bEndpointAddress = DAP_HID_EP_IN,
.bmAttributes = USB_EPTYPE_INTERRUPT,
.wMaxPacketSize = DAP_HID_EP_SIZE,
.bInterval = DAP_HID_INTERVAL,
},
.hid_ep_out =
{
.bLength = sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = USB_DTYPE_ENDPOINT,
.bEndpointAddress = DAP_HID_EP_OUT,
.bmAttributes = USB_EPTYPE_INTERRUPT,
.wMaxPacketSize = DAP_HID_EP_SIZE,
.bInterval = DAP_HID_INTERVAL,
},
// CMSIS-DAP v2
.bulk_interface =
{
.bLength = sizeof(struct usb_interface_descriptor),
.bDescriptorType = USB_DTYPE_INTERFACE,
.bInterfaceNumber = USB_INTF_BULK,
.bAlternateSetting = 0,
.bNumEndpoints = 2,
.bInterfaceClass = USB_CLASS_VENDOR,
.bInterfaceSubClass = 0,
.bInterfaceProtocol = 0,
.iInterface = USB_STR_CMSIS_DAP_V2,
},
.bulk_ep_out =
{
.bLength = sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = USB_DTYPE_ENDPOINT,
.bEndpointAddress = DAP_HID_EP_BULK_OUT,
.bmAttributes = USB_EPTYPE_BULK,
.wMaxPacketSize = DAP_HID_EP_SIZE,
.bInterval = DAP_BULK_INTERVAL,
},
.bulk_ep_in =
{
.bLength = sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = USB_DTYPE_ENDPOINT,
.bEndpointAddress = DAP_HID_EP_BULK_IN,
.bmAttributes = USB_EPTYPE_BULK,
.wMaxPacketSize = DAP_HID_EP_SIZE,
.bInterval = DAP_BULK_INTERVAL,
},
// CDC
.iad =
{
.bLength = sizeof(struct usb_iad_descriptor),
.bDescriptorType = USB_DTYPE_INTERFASEASSOC,
.bFirstInterface = USB_INTF_CDC_COMM,
.bInterfaceCount = 2,
.bFunctionClass = USB_CLASS_CDC,
.bFunctionSubClass = USB_CDC_SUBCLASS_ACM,
.bFunctionProtocol = USB_PROTO_NONE,
.iFunction = USB_STR_COM_PORT,
},
.interface_comm =
{
.bLength = sizeof(struct usb_interface_descriptor),
.bDescriptorType = USB_DTYPE_INTERFACE,
.bInterfaceNumber = USB_INTF_CDC_COMM,
.bAlternateSetting = 0,
.bNumEndpoints = 1,
.bInterfaceClass = USB_CLASS_CDC,
.bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
.bInterfaceProtocol = USB_PROTO_NONE,
.iInterface = 0,
},
.cdc_header =
{
.bFunctionLength = sizeof(struct usb_cdc_header_desc),
.bDescriptorType = USB_DTYPE_CS_INTERFACE,
.bDescriptorSubType = USB_DTYPE_CDC_HEADER,
.bcdCDC = VERSION_BCD(1, 1, 0),
},
.cdc_acm =
{
.bFunctionLength = sizeof(struct usb_cdc_call_mgmt_desc),
.bDescriptorType = USB_DTYPE_CS_INTERFACE,
.bDescriptorSubType = USB_DTYPE_CDC_CALL_MANAGEMENT,
// .bmCapabilities = USB_CDC_CAP_LINE | USB_CDC_CAP_BRK,
.bmCapabilities = 0,
},
.cdc_call_mgmt =
{
.bFunctionLength = sizeof(struct usb_cdc_acm_desc),
.bDescriptorType = USB_DTYPE_CS_INTERFACE,
.bDescriptorSubType = USB_DTYPE_CDC_ACM,
.bmCapabilities = USB_CDC_CALL_MGMT_CAP_DATA_INTF,
// .bDataInterface = USB_INTF_CDC_DATA,
},
.cdc_union =
{
.bFunctionLength = sizeof(struct usb_cdc_union_desc),
.bDescriptorType = USB_DTYPE_CS_INTERFACE,
.bDescriptorSubType = USB_DTYPE_CDC_UNION,
.bMasterInterface0 = USB_INTF_CDC_COMM,
.bSlaveInterface0 = USB_INTF_CDC_DATA,
},
.ep_comm =
{
.bLength = sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = USB_DTYPE_ENDPOINT,
.bEndpointAddress = HID_EP_IN | DAP_CDC_EP_COMM,
.bmAttributes = USB_EPTYPE_INTERRUPT,
.wMaxPacketSize = DAP_CDC_COMM_EP_SIZE,
.bInterval = DAP_CDC_COMM_INTERVAL,
},
.interface_data =
{
.bLength = sizeof(struct usb_interface_descriptor),
.bDescriptorType = USB_DTYPE_INTERFACE,
.bInterfaceNumber = USB_INTF_CDC_DATA,
.bAlternateSetting = 0,
.bNumEndpoints = 2,
.bInterfaceClass = USB_CLASS_CDC_DATA,
.bInterfaceSubClass = USB_SUBCLASS_NONE,
.bInterfaceProtocol = USB_PROTO_NONE,
.iInterface = NO_DESCRIPTOR,
},
.ep_in =
{
.bLength = sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = USB_DTYPE_ENDPOINT,
.bEndpointAddress = HID_EP_IN | DAP_CDC_EP_SEND,
.bmAttributes = USB_EPTYPE_BULK,
.wMaxPacketSize = DAP_CDC_EP_SIZE,
.bInterval = DAP_CDC_INTERVAL,
},
.ep_out =
{
.bLength = sizeof(struct usb_endpoint_descriptor),
.bDescriptorType = USB_DTYPE_ENDPOINT,
.bEndpointAddress = HID_EP_OUT | DAP_CDC_EP_RECV,
.bmAttributes = USB_EPTYPE_BULK,
.wMaxPacketSize = DAP_CDC_EP_SIZE,
.bInterval = DAP_CDC_INTERVAL,
},
};
// WinUSB
#include "usb_winusb.h"
typedef struct USB_PACK {
usb_binary_object_store_descriptor_t bos;
usb_winusb_capability_descriptor_t winusb;
} usb_bos_hierarchy_t;
typedef struct USB_PACK {
usb_winusb_subset_header_function_t header;
usb_winusb_feature_compatble_id_t comp_id;
usb_winusb_feature_reg_property_guids_t property;
} usb_msos_descriptor_subset_t;
typedef struct USB_PACK {
usb_winusb_set_header_descriptor_t header;
usb_msos_descriptor_subset_t subset;
} usb_msos_descriptor_set_t;
#define USB_DTYPE_BINARY_OBJECT_STORE 15
#define USB_DTYPE_DEVICE_CAPABILITY_DESCRIPTOR 16
#define USB_DC_TYPE_PLATFORM 5
const usb_bos_hierarchy_t usb_bos_hierarchy = {
.bos =
{
.bLength = sizeof(usb_binary_object_store_descriptor_t),
.bDescriptorType = USB_DTYPE_BINARY_OBJECT_STORE,
.wTotalLength = sizeof(usb_bos_hierarchy_t),
.bNumDeviceCaps = 1,
},
.winusb =
{
.bLength = sizeof(usb_winusb_capability_descriptor_t),
.bDescriptorType = USB_DTYPE_DEVICE_CAPABILITY_DESCRIPTOR,
.bDevCapabilityType = USB_DC_TYPE_PLATFORM,
.bReserved = 0,
.PlatformCapabilityUUID = USB_WINUSB_PLATFORM_CAPABILITY_ID,
.dwWindowsVersion = USB_WINUSB_WINDOWS_VERSION,
.wMSOSDescriptorSetTotalLength = sizeof(usb_msos_descriptor_set_t),
.bMS_VendorCode = USB_WINUSB_VENDOR_CODE,
.bAltEnumCode = 0,
},
};
const usb_msos_descriptor_set_t usb_msos_descriptor_set = {
.header =
{
.wLength = sizeof(usb_winusb_set_header_descriptor_t),
.wDescriptorType = USB_WINUSB_SET_HEADER_DESCRIPTOR,
.dwWindowsVersion = USB_WINUSB_WINDOWS_VERSION,
.wDescriptorSetTotalLength = sizeof(usb_msos_descriptor_set_t),
},
.subset =
{
.header =
{
.wLength = sizeof(usb_winusb_subset_header_function_t),
.wDescriptorType = USB_WINUSB_SUBSET_HEADER_FUNCTION,
.bFirstInterface = USB_INTF_BULK,
.bReserved = 0,
.wSubsetLength = sizeof(usb_msos_descriptor_subset_t),
},
.comp_id =
{
.wLength = sizeof(usb_winusb_feature_compatble_id_t),
.wDescriptorType = USB_WINUSB_FEATURE_COMPATBLE_ID,
.CompatibleID = "WINUSB\0\0",
.SubCompatibleID = {0},
},
.property =
{
.wLength = sizeof(usb_winusb_feature_reg_property_guids_t),
.wDescriptorType = USB_WINUSB_FEATURE_REG_PROPERTY,
.wPropertyDataType = USB_WINUSB_PROPERTY_DATA_TYPE_MULTI_SZ,
.wPropertyNameLength =
sizeof(usb_msos_descriptor_set.subset.property.PropertyName),
.PropertyName = {'D', 0, 'e', 0, 'v', 0, 'i', 0, 'c', 0, 'e', 0, 'I', 0,
'n', 0, 't', 0, 'e', 0, 'r', 0, 'f', 0, 'a', 0, 'c', 0,
'e', 0, 'G', 0, 'U', 0, 'I', 0, 'D', 0, 's', 0, 0, 0},
.wPropertyDataLength =
sizeof(usb_msos_descriptor_set.subset.property.PropertyData),
.PropertyData = {'{', 0, 'C', 0, 'D', 0, 'B', 0, '3', 0, 'B', 0, '5', 0,
'A', 0, 'D', 0, '-', 0, '2', 0, '9', 0, '3', 0, 'B', 0,
'-', 0, '4', 0, '6', 0, '6', 0, '3', 0, '-', 0, 'A', 0,
'A', 0, '3', 0, '6', 0, '-', 0, '1', 0, 'A', 0, 'A', 0,
'E', 0, '4', 0, '6', 0, '4', 0, '6', 0, '3', 0, '7', 0,
'7', 0, '6', 0, '}', 0, 0, 0, 0, 0},
},
},
};
typedef struct {
FuriSemaphore* semaphore_v1;
FuriSemaphore* semaphore_v2;
FuriSemaphore* semaphore_cdc;
bool connected;
usbd_device* usb_dev;
DapStateCallback state_callback;
DapRxCallback rx_callback_v1;
DapRxCallback rx_callback_v2;
DapRxCallback rx_callback_cdc;
DapCDCControlLineCallback control_line_callback_cdc;
DapCDCConfigCallback config_callback_cdc;
void* context;
void* context_cdc;
} DAPState;
static DAPState dap_state = {
.semaphore_v1 = NULL,
.semaphore_v2 = NULL,
.semaphore_cdc = NULL,
.connected = false,
.usb_dev = NULL,
.state_callback = NULL,
.rx_callback_v1 = NULL,
.rx_callback_v2 = NULL,
.rx_callback_cdc = NULL,
.control_line_callback_cdc = NULL,
.config_callback_cdc = NULL,
.context = NULL,
.context_cdc = NULL,
};
static struct usb_cdc_line_coding cdc_config = {0};
static uint8_t cdc_ctrl_line_state = 0;
#ifdef DAP_USB_LOG
void furi_console_log_printf(const char* format, ...) _ATTRIBUTE((__format__(__printf__, 1, 2)));
void furi_console_log_printf(const char* format, ...) {
char buffer[256];
va_list args;
va_start(args, format);
vsnprintf(buffer, sizeof(buffer), format, args);
va_end(args);
furi_hal_console_puts(buffer);
furi_hal_console_puts("\r\n");
UNUSED(format);
}
#else
#define furi_console_log_printf(...)
#endif
int32_t dap_v1_usb_tx(uint8_t* buffer, uint8_t size) {
if((dap_state.semaphore_v1 == NULL) || (dap_state.connected == false)) return 0;
furi_check(furi_semaphore_acquire(dap_state.semaphore_v1, FuriWaitForever) == FuriStatusOk);
if(dap_state.connected) {
int32_t len = usbd_ep_write(dap_state.usb_dev, DAP_HID_EP_IN, buffer, size);
furi_console_log_printf("v1 tx %ld", len);
return len;
} else {
return 0;
}
}
int32_t dap_v2_usb_tx(uint8_t* buffer, uint8_t size) {
if((dap_state.semaphore_v2 == NULL) || (dap_state.connected == false)) return 0;
furi_check(furi_semaphore_acquire(dap_state.semaphore_v2, FuriWaitForever) == FuriStatusOk);
if(dap_state.connected) {
int32_t len = usbd_ep_write(dap_state.usb_dev, DAP_HID_EP_BULK_IN, buffer, size);
furi_console_log_printf("v2 tx %ld", len);
return len;
} else {
return 0;
}
}
int32_t dap_cdc_usb_tx(uint8_t* buffer, uint8_t size) {
if((dap_state.semaphore_cdc == NULL) || (dap_state.connected == false)) return 0;
furi_check(furi_semaphore_acquire(dap_state.semaphore_cdc, FuriWaitForever) == FuriStatusOk);
if(dap_state.connected) {
int32_t len = usbd_ep_write(dap_state.usb_dev, HID_EP_IN | DAP_CDC_EP_SEND, buffer, size);
furi_console_log_printf("cdc tx %ld", len);
return len;
} else {
return 0;
}
}
void dap_v1_usb_set_rx_callback(DapRxCallback callback) {
dap_state.rx_callback_v1 = callback;
}
void dap_v2_usb_set_rx_callback(DapRxCallback callback) {
dap_state.rx_callback_v2 = callback;
}
void dap_cdc_usb_set_rx_callback(DapRxCallback callback) {
dap_state.rx_callback_cdc = callback;
}
void dap_cdc_usb_set_control_line_callback(DapCDCControlLineCallback callback) {
dap_state.control_line_callback_cdc = callback;
}
void dap_cdc_usb_set_config_callback(DapCDCConfigCallback callback) {
dap_state.config_callback_cdc = callback;
}
void dap_cdc_usb_set_context(void* context) {
dap_state.context_cdc = context;
}
void dap_common_usb_set_context(void* context) {
dap_state.context = context;
}
void dap_common_usb_set_state_callback(DapStateCallback callback) {
dap_state.state_callback = callback;
}
static void* dap_usb_alloc_string_descr(const char* str) {
furi_assert(str);
uint8_t len = strlen(str);
uint8_t wlen = (len + 1) * sizeof(uint16_t);
struct usb_string_descriptor* dev_str_desc = malloc(wlen);
dev_str_desc->bLength = wlen;
dev_str_desc->bDescriptorType = USB_DTYPE_STRING;
for(uint8_t i = 0; i < len; i++) {
dev_str_desc->wString[i] = str[i];
}
return dev_str_desc;
}
void dap_common_usb_alloc_name(const char* name) {
dev_serial_descr = dap_usb_alloc_string_descr(name);
}
void dap_common_usb_free_name() {
free(dev_serial_descr);
}
static void hid_init(usbd_device* dev, FuriHalUsbInterface* intf, void* ctx);
static void hid_deinit(usbd_device* dev);
static void hid_on_wakeup(usbd_device* dev);
static void hid_on_suspend(usbd_device* dev);
static usbd_respond hid_ep_config(usbd_device* dev, uint8_t cfg);
static usbd_respond hid_control(usbd_device* dev, usbd_ctlreq* req, usbd_rqc_callback* callback);
FuriHalUsbInterface dap_v2_usb_hid = {
.init = hid_init,
.deinit = hid_deinit,
.wakeup = hid_on_wakeup,
.suspend = hid_on_suspend,
.dev_descr = (struct usb_device_descriptor*)&hid_device_desc,
.cfg_descr = (void*)&hid_cfg_desc,
};
static void hid_init(usbd_device* dev, FuriHalUsbInterface* intf, void* ctx) {
UNUSED(intf);
UNUSED(ctx);
dap_v2_usb_hid.str_manuf_descr = (void*)&dev_manuf_descr;
dap_v2_usb_hid.str_prod_descr = (void*)&dev_prod_descr;
dap_v2_usb_hid.str_serial_descr = (void*)dev_serial_descr;
dap_state.usb_dev = dev;
if(dap_state.semaphore_v1 == NULL) dap_state.semaphore_v1 = furi_semaphore_alloc(1, 1);
if(dap_state.semaphore_v2 == NULL) dap_state.semaphore_v2 = furi_semaphore_alloc(1, 1);
if(dap_state.semaphore_cdc == NULL) dap_state.semaphore_cdc = furi_semaphore_alloc(1, 1);
usb_hid.dev_descr->idVendor = DAP_HID_VID;
usb_hid.dev_descr->idProduct = DAP_HID_PID;
usbd_reg_config(dev, hid_ep_config);
usbd_reg_control(dev, hid_control);
usbd_connect(dev, true);
}
static bool deinit_flag = false;
void dap_common_wait_for_deinit() {
while(!deinit_flag) {
furi_delay_ms(50);
}
}
static void hid_deinit(usbd_device* dev) {
dap_state.usb_dev = NULL;
furi_semaphore_free(dap_state.semaphore_v1);
furi_semaphore_free(dap_state.semaphore_v2);
furi_semaphore_free(dap_state.semaphore_cdc);
dap_state.semaphore_v1 = NULL;
dap_state.semaphore_v2 = NULL;
dap_state.semaphore_cdc = NULL;
usbd_reg_config(dev, NULL);
usbd_reg_control(dev, NULL);
free(usb_hid.str_manuf_descr);
free(usb_hid.str_prod_descr);
FURI_SW_MEMBARRIER();
deinit_flag = true;
}
static void hid_on_wakeup(usbd_device* dev) {
UNUSED(dev);
if(!dap_state.connected) {
dap_state.connected = true;
if(dap_state.state_callback != NULL) {
dap_state.state_callback(dap_state.connected, dap_state.context);
}
}
}
static void hid_on_suspend(usbd_device* dev) {
UNUSED(dev);
if(dap_state.connected) {
dap_state.connected = false;
if(dap_state.state_callback != NULL) {
dap_state.state_callback(dap_state.connected, dap_state.context);
}
}
}
size_t dap_v1_usb_rx(uint8_t* buffer, size_t size) {
size_t len = 0;
if(dap_state.connected) {
len = usbd_ep_read(dap_state.usb_dev, DAP_HID_EP_OUT, buffer, size);
}
return len;
}
size_t dap_v2_usb_rx(uint8_t* buffer, size_t size) {
size_t len = 0;
if(dap_state.connected) {
len = usbd_ep_read(dap_state.usb_dev, DAP_HID_EP_BULK_OUT, buffer, size);
}
return len;
}
size_t dap_cdc_usb_rx(uint8_t* buffer, size_t size) {
size_t len = 0;
if(dap_state.connected) {
len = usbd_ep_read(dap_state.usb_dev, HID_EP_OUT | DAP_CDC_EP_RECV, buffer, size);
}
return len;
}
static void hid_txrx_ep_callback(usbd_device* dev, uint8_t event, uint8_t ep) {
UNUSED(dev);
UNUSED(ep);
switch(event) {
case usbd_evt_eptx:
furi_semaphore_release(dap_state.semaphore_v1);
furi_console_log_printf("hid tx complete");
break;
case usbd_evt_eprx:
if(dap_state.rx_callback_v1 != NULL) {
dap_state.rx_callback_v1(dap_state.context);
}
break;
default:
furi_console_log_printf("hid %d, %d", event, ep);
break;
}
}
static void hid_txrx_ep_bulk_callback(usbd_device* dev, uint8_t event, uint8_t ep) {
UNUSED(dev);
UNUSED(ep);
switch(event) {
case usbd_evt_eptx:
furi_semaphore_release(dap_state.semaphore_v2);
furi_console_log_printf("bulk tx complete");
break;
case usbd_evt_eprx:
if(dap_state.rx_callback_v2 != NULL) {
dap_state.rx_callback_v2(dap_state.context);
}
break;
default:
furi_console_log_printf("bulk %d, %d", event, ep);
break;
}
}
static void cdc_txrx_ep_callback(usbd_device* dev, uint8_t event, uint8_t ep) {
UNUSED(dev);
UNUSED(ep);
switch(event) {
case usbd_evt_eptx:
furi_semaphore_release(dap_state.semaphore_cdc);
furi_console_log_printf("cdc tx complete");
break;
case usbd_evt_eprx:
if(dap_state.rx_callback_cdc != NULL) {
dap_state.rx_callback_cdc(dap_state.context_cdc);
}
break;
default:
furi_console_log_printf("cdc %d, %d", event, ep);
break;
}
}
static usbd_respond hid_ep_config(usbd_device* dev, uint8_t cfg) {
switch(cfg) {
case EP_CFG_DECONFIGURE:
usbd_ep_deconfig(dev, DAP_HID_EP_OUT);
usbd_ep_deconfig(dev, DAP_HID_EP_IN);
usbd_ep_deconfig(dev, DAP_HID_EP_BULK_IN);
usbd_ep_deconfig(dev, DAP_HID_EP_BULK_OUT);
usbd_ep_deconfig(dev, HID_EP_IN | DAP_CDC_EP_COMM);
usbd_ep_deconfig(dev, HID_EP_IN | DAP_CDC_EP_SEND);
usbd_ep_deconfig(dev, HID_EP_OUT | DAP_CDC_EP_RECV);
usbd_reg_endpoint(dev, DAP_HID_EP_OUT, NULL);
usbd_reg_endpoint(dev, DAP_HID_EP_IN, NULL);
usbd_reg_endpoint(dev, DAP_HID_EP_BULK_IN, NULL);
usbd_reg_endpoint(dev, DAP_HID_EP_BULK_OUT, NULL);
usbd_reg_endpoint(dev, HID_EP_IN | DAP_CDC_EP_SEND, 0);
usbd_reg_endpoint(dev, HID_EP_OUT | DAP_CDC_EP_RECV, 0);
return usbd_ack;
case EP_CFG_CONFIGURE:
usbd_ep_config(dev, DAP_HID_EP_IN, USB_EPTYPE_INTERRUPT, DAP_HID_EP_SIZE);
usbd_ep_config(dev, DAP_HID_EP_OUT, USB_EPTYPE_INTERRUPT, DAP_HID_EP_SIZE);
usbd_ep_config(dev, DAP_HID_EP_BULK_OUT, USB_EPTYPE_BULK, DAP_HID_EP_SIZE);
usbd_ep_config(dev, DAP_HID_EP_BULK_IN, USB_EPTYPE_BULK, DAP_HID_EP_SIZE);
usbd_ep_config(dev, HID_EP_OUT | DAP_CDC_EP_RECV, USB_EPTYPE_BULK, DAP_CDC_EP_SIZE);
usbd_ep_config(dev, HID_EP_IN | DAP_CDC_EP_SEND, USB_EPTYPE_BULK, DAP_CDC_EP_SIZE);
usbd_ep_config(dev, HID_EP_IN | DAP_CDC_EP_COMM, USB_EPTYPE_INTERRUPT, DAP_CDC_EP_SIZE);
usbd_reg_endpoint(dev, DAP_HID_EP_IN, hid_txrx_ep_callback);
usbd_reg_endpoint(dev, DAP_HID_EP_OUT, hid_txrx_ep_callback);
usbd_reg_endpoint(dev, DAP_HID_EP_BULK_OUT, hid_txrx_ep_bulk_callback);
usbd_reg_endpoint(dev, DAP_HID_EP_BULK_IN, hid_txrx_ep_bulk_callback);
usbd_reg_endpoint(dev, HID_EP_OUT | DAP_CDC_EP_RECV, cdc_txrx_ep_callback);
usbd_reg_endpoint(dev, HID_EP_IN | DAP_CDC_EP_SEND, cdc_txrx_ep_callback);
// usbd_ep_write(dev, DAP_HID_EP_IN, NULL, 0);
// usbd_ep_write(dev, DAP_HID_EP_BULK_IN, NULL, 0);
// usbd_ep_write(dev, HID_EP_IN | DAP_CDC_EP_SEND, NULL, 0);
return usbd_ack;
default:
return usbd_fail;
}
}
#ifdef DAP_USB_LOG
static void dump_request_type(uint8_t type) {
switch(type & USB_REQ_DIRECTION) {
case USB_REQ_HOSTTODEV:
furi_hal_console_puts("host to dev, ");
break;
case USB_REQ_DEVTOHOST:
furi_hal_console_puts("dev to host, ");
break;
}
switch(type & USB_REQ_TYPE) {
case USB_REQ_STANDARD:
furi_hal_console_puts("standard, ");
break;
case USB_REQ_CLASS:
furi_hal_console_puts("class, ");
break;
case USB_REQ_VENDOR:
furi_hal_console_puts("vendor, ");
break;
}
switch(type & USB_REQ_RECIPIENT) {
case USB_REQ_DEVICE:
furi_hal_console_puts("device");
break;
case USB_REQ_INTERFACE:
furi_hal_console_puts("interface");
break;
case USB_REQ_ENDPOINT:
furi_hal_console_puts("endpoint");
break;
case USB_REQ_OTHER:
furi_hal_console_puts("other");
break;
}
furi_hal_console_puts("\r\n");
}
#else
#define dump_request_type(...)
#endif
static usbd_respond hid_control(usbd_device* dev, usbd_ctlreq* req, usbd_rqc_callback* callback) {
UNUSED(callback);
dump_request_type(req->bmRequestType);
furi_console_log_printf(
"control: RT %02x, R %02x, V %04x, I %04x, L %04x",
req->bmRequestType,
req->bRequest,
req->wValue,
req->wIndex,
req->wLength);
if(((USB_REQ_RECIPIENT | USB_REQ_TYPE | USB_REQ_DIRECTION) & req->bmRequestType) ==
(USB_REQ_STANDARD | USB_REQ_VENDOR | USB_REQ_DEVTOHOST)) {
// vendor request, device to host
furi_console_log_printf("vendor request");
if(USB_WINUSB_VENDOR_CODE == req->bRequest) {
// WINUSB request
if(USB_WINUSB_DESCRIPTOR_INDEX == req->wIndex) {
furi_console_log_printf("WINUSB descriptor");
uint16_t length = req->wLength;
if(length > sizeof(usb_msos_descriptor_set_t)) {
length = sizeof(usb_msos_descriptor_set_t);
}
dev->status.data_ptr = (uint8_t*)&usb_msos_descriptor_set;
dev->status.data_count = length;
return usbd_ack;
}
}
}
if(((USB_REQ_RECIPIENT | USB_REQ_TYPE) & req->bmRequestType) ==
(USB_REQ_STANDARD | USB_REQ_DEVICE)) {
// device request
if(req->bRequest == USB_STD_GET_DESCRIPTOR) {
const uint8_t dtype = req->wValue >> 8;
const uint8_t dnumber = req->wValue & 0xFF;
// get string descriptor
if(USB_DTYPE_STRING == dtype) {
if(dnumber == USB_STR_CMSIS_DAP_V1) {
furi_console_log_printf("str CMSIS-DAP v1");
dev->status.data_ptr = (uint8_t*)&dev_dap_v1_descr;
dev->status.data_count = dev_dap_v1_descr.bLength;
return usbd_ack;
} else if(dnumber == USB_STR_CMSIS_DAP_V2) {
furi_console_log_printf("str CMSIS-DAP v2");
dev->status.data_ptr = (uint8_t*)&dev_dap_v2_descr;
dev->status.data_count = dev_dap_v2_descr.bLength;
return usbd_ack;
} else if(dnumber == USB_STR_COM_PORT) {
furi_console_log_printf("str COM port");
dev->status.data_ptr = (uint8_t*)&dev_com_descr;
dev->status.data_count = dev_com_descr.bLength;
return usbd_ack;
}
} else if(USB_DTYPE_BINARY_OBJECT_STORE == dtype) {
furi_console_log_printf("BOS descriptor");
uint16_t length = req->wLength;
if(length > sizeof(usb_bos_hierarchy_t)) {
length = sizeof(usb_bos_hierarchy_t);
}
dev->status.data_ptr = (uint8_t*)&usb_bos_hierarchy;
dev->status.data_count = length;
return usbd_ack;
}
}
}
if(((USB_REQ_RECIPIENT | USB_REQ_TYPE) & req->bmRequestType) ==
(USB_REQ_INTERFACE | USB_REQ_CLASS) &&
req->wIndex == 0) {
// class request
switch(req->bRequest) {
// get hid descriptor
case USB_HID_GETREPORT:
furi_console_log_printf("get report");
return usbd_fail;
// set hid idle
case USB_HID_SETIDLE:
furi_console_log_printf("set idle");
return usbd_ack;
default:
break;
}
}
if(((USB_REQ_RECIPIENT | USB_REQ_TYPE) & req->bmRequestType) ==
(USB_REQ_INTERFACE | USB_REQ_CLASS) &&
req->wIndex == 2) {
// class request
switch(req->bRequest) {
// control line state
case USB_CDC_SET_CONTROL_LINE_STATE:
furi_console_log_printf("set control line state");
cdc_ctrl_line_state = req->wValue;
if(dap_state.control_line_callback_cdc != NULL) {
dap_state.control_line_callback_cdc(cdc_ctrl_line_state, dap_state.context_cdc);
}
return usbd_ack;
// set cdc line coding
case USB_CDC_SET_LINE_CODING:
furi_console_log_printf("set line coding");
memcpy(&cdc_config, req->data, sizeof(cdc_config));
if(dap_state.config_callback_cdc != NULL) {
dap_state.config_callback_cdc(&cdc_config, dap_state.context_cdc);
}
return usbd_ack;
// get cdc line coding
case USB_CDC_GET_LINE_CODING:
furi_console_log_printf("get line coding");
dev->status.data_ptr = &cdc_config;
dev->status.data_count = sizeof(cdc_config);
return usbd_ack;
default:
break;
}
}
if(((USB_REQ_RECIPIENT | USB_REQ_TYPE) & req->bmRequestType) ==
(USB_REQ_INTERFACE | USB_REQ_STANDARD) &&
req->wIndex == 0 && req->bRequest == USB_STD_GET_DESCRIPTOR) {
// standard request
switch(req->wValue >> 8) {
// get hid descriptor
case USB_DTYPE_HID:
furi_console_log_printf("get hid descriptor");
dev->status.data_ptr = (uint8_t*)&(hid_cfg_desc.hid);
dev->status.data_count = sizeof(hid_cfg_desc.hid);
return usbd_ack;
// get hid report descriptor
case USB_DTYPE_HID_REPORT:
furi_console_log_printf("get hid report descriptor");
dev->status.data_ptr = (uint8_t*)hid_report_desc;
dev->status.data_count = sizeof(hid_report_desc);
return usbd_ack;
default:
break;
}
}
return usbd_fail;
}
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