File: //proc/722141/root/lib/python3.6/site-packages/usb/backend/__pycache__/libusb1.cpython-36.pyc
3
�~�V� � @ s d dl T d dlZd dlZd dlZd dlmZ d dljZd dl j
Z
d dl Z d dl Z d dl
mZ d dlZdZdddd d
d d d
dddddddddddddgZejd�Zd~Zd Zd Zd Zd ZdZd�Zd�Zd�Z d�Z d�Z d�Z d�Z d�Z!d�Z"d�Z#d�Z$d�Z%ed)ed*ed+ed,e d-e d.e d/e d0e d1e!d2e"d3e#d4e$d5e%d6iZ&d dee j'j(d7d�ee j'j(d8d�ee j'j(d9d�e e j'j(d:d�e e j'j(d;d�e e j'j(d<d�e e j'j(d=d�e e j'j(d>d�e!e j'j(d?d�e"e j'j(d@d�e#e j'j(dAd�e$e j'j(dBd�e%diZ)d Z*d Z+d Z,d Z-d Z.d Z/d!Z0e*d)e+dCe,dDe-dEe.dFe/dGe0dHiZ1e*d e+e j'j(d7d�e,e j'j(d=d�e-e j'j(dId�e.e j'j(d7d�e/e j'j(d:d�e0e j'j(d>d�iZ2dJdK� Z3G dLdM� dMe4�Z5G dNdO� dOe4�Z6G dPdQ� dQe4�Z7G dRdS� dSe4�Z8G dTdU� dUe4�Z9G dVdW� dWe4�Z:e;Z<G dXdY� dYe4�Z=e>e=�Z?e@de?�ZAdZe<fd[eBfd\eBfd]eBfd^eCfd_eDfd`eDfdaeDfdbeAfdceEfdde;fdeeDfdfe:fg
e=_Fdgdh� ZGdaHd�didj�ZIdkdl� ZJdmdn� ZKG dodp� dpe
jL�ZMG dqdr� dreN�ZOG dsdt� dte
jL�ZPG dudv� dve
jL�ZQG dwdx� dxeN�ZRG dydz� dze
jL�ZSG d{d|� d|ejTjU�ZVd�d}d�ZWdS )�� )�*N)� methodtrace)�USBErrorzWander Lairson Costa� get_backendZ
LIBUSB_SUCESS�LIBUSB_ERROR_IO�LIBUSB_ERROR_INVALID_PARAM�LIBUSB_ERROR_ACCESS�LIBUSB_ERROR_NO_DEVICE�LIBUSB_ERROR_NOT_FOUND�LIBUSB_ERROR_BUSY�LIBUSB_ERROR_TIMEOUT�LIBUSB_ERROR_OVERFLOW�LIBUSB_ERROR_PIPE�LIBUSB_ERROR_INTERRUPTED�LIBUSB_ERROR_NO_MEM�LIBUSB_ERROR_NOT_SUPPORTEDZ+LIBUSB_ERROR_OTHERLIBUSB_TRANSFER_COMPLETED�LIBUSB_TRANSFER_ERROR�LIBUSB_TRANSFER_TIMED_OUT�LIBUSB_TRANSFER_CANCELLED�LIBUSB_TRANSFER_STALL�LIBUSB_TRANSFER_NO_DEVICE�LIBUSB_TRANSFER_OVERFLOWzusb.backend.libusb1� � � � � � � � � �
� � �c zSuccess (no error)zInput/output errorzInvalid parameterz(Access denied (insufficient permissions)z.No such device (it may have been disconnected)zEntity not foundz
Resource busyzOperation timed outZOverflowz
Pipe errorz/System call interrupted (perhaps due to signal)zInsufficient memoryz9Operation not supported or unimplemented on this platformz
Unknown errorZEIOZEINVALZEACCESZENODEV�ENOENTZEBUSYZ ETIMEDOUTZ EOVERFLOWZEPIPEZEINTRZENOMEMZENOSYSzTransfer failedzTransfer timed outzTransfer was cancelledzFor bulk/interrupt endpoints: halt condition detected (endpoint stalled). For control endpoints: control request not supported.zDevice was disconnectedz$Device sent more data than requestedZEAGAINc C s. yt j| �jd�S tk
r( t| S X d S )N�utf8)�_lib�libusb_strerror�decode�AttributeError�_str_error_map)Zerrcode� r, � /usr/lib/python3.6/libusb1.py� _strerror� s r. c @ sP e Zd Zdefdefdefdefdefdefdefdefd ee�fd
efg
Zd S ) �_libusb_endpoint_descriptor�bLength�bDescriptorTypeZbEndpointAddress� bmAttributesZwMaxPacketSizeZ bIntervalZbRefreshZ
bSynchAddress�extra� extra_lengthN) �__name__�
__module__� __qualname__�c_uint8�c_uint16�POINTER�c_ubyte�c_int�_fields_r, r, r, r- r/ � s
r/ c
@ s` e Zd Zdefdefdefdefdefdefdefdefd efd
ee�fd ee�fd efg Zd
S )� _libusb_interface_descriptorr0 r1 ZbInterfaceNumberZbAlternateSetting�
bNumEndpointsZbInterfaceClassZbInterfaceSubClassZbInterfaceProtocolZ
iInterface�endpointr3 r4 N) r5 r6 r7 r8 r: r/ r; r< r= r, r, r, r- r> � s
r> c @ s e Zd Zdee�fdefgZdS )�_libusb_interface�
altsetting�num_altsettingN)r5 r6 r7 r: r> r< r= r, r, r, r- rA � s
rA c @ sZ e Zd Zdefdefdefdefdefdefdefdefd ee�fd
ee�fd efg Z d S )
�_libusb_config_descriptorr0 r1 Z wTotalLength�bNumInterfacesZbConfigurationValueZiConfigurationr2 Z bMaxPower� interfacer3 r4 N)
r5 r6 r7 r8 r9 r: rA r; r< r= r, r, r, r- rD � s
rD c @ sd e Zd Zdefdefdefdefdefdefdefdefd efd
efd efd efd
efdefgZdS )�_libusb_device_descriptorr0 r1 ZbcdUSBZ bDeviceClassZbDeviceSubClassZbDeviceProtocolZbMaxPacketSize0ZidVendorZ idProductZ bcdDeviceZ
iManufacturerZiProductZ
iSerialNumberZbNumConfigurationsN)r5 r6 r7 r8 r9 r= r, r, r, r- rG � s rG c @ s" e Zd ZdefdefdefgZdS )� _libusb_iso_packet_descriptor�length�
actual_length�statusN)r5 r6 r7 �c_uintr< r= r, r, r, r- rH � s rH c @ s e Zd ZdS )�_libusb_transferN)r5 r6 r7 r, r, r, r- rM � s rM �
dev_handle�flagsr@ �type�timeoutrK rI rJ �callback� user_data�buffer�num_iso_packets�iso_packet_descc C s t | j }|jt| j��S )N)rH rU Z from_addressZ addressofrV )�transferZ list_typer, r, r- �_get_iso_packet_list s
rX c C s, t jdkrt}nd }tjjd dd|| d
d�S ) NZwin32�usb-1.0�
libusb-1.0�usbzcygusb-1.0.dllzLibusb 1� libusb_init)�win_cls� find_libraryZ
check_symbols)rY rZ r[ )r\ )�sys�platformZWinDLLr[ � libloaderZload_locate_library)r^ r] r, r, r- �
_load_library s
rb c C s� t tg| j_tt �g| j_t g| j_t ttt ��g| j_tt �tg| j_t g| j _t | j _
t g| j _t tt �g| j
_t g| j_t tg| j_t tt�g| j_t tg| j_t tg| j_t ttg| j_t g| j_t tg| j_t tg| j_t tg| j_t tt�g| j_t tttt��g| j _tt�g| j _t ttt �tg| j _t ttt t tt �t t!g| j"_t t tt �ttt�t!g| j#_t t tt �ttt�t!g| j$_tg| j%_tt&�| j%_
tt&�g| j'_tt&�g| j(_t)| d��r�t!g| j*_t+| j*_
t t g| j,_dd� }|| _-t t g| j._dd� }|| _/t g| j0_t| j0_
t g| j1_t| j1_
yt g| j2_t| j2_
W n t3k
�r^ Y nX yt g| j4_t| j4_
W n t3k
�r� Y nX y t tt�tg| j5_t| j5_
W n t3k
�r� Y nX t g| j6_d S )Nr( c S s" | j }xt|�D ]
}||_qW dS )z�This function is inline in the libusb.h file, so we must implement
it.
lib.libusb_set_iso_packet_lengths.argtypes = [
POINTER(_libusb_transfer),
c_int
]
N)�contentsrX rI )Z
transfer_prI rW rV r, r, r- � libusb_set_iso_packet_lengths� s z8_setup_prototypes.<locals>.libusb_set_iso_packet_lengthsc
S sF | j } || _|| _t| _|| _t|t�| _|| _ || _
|| _ || _ dS )a� This function is inline in the libusb.h file, so we must implement
it.
lib.libusb_fill_iso_transfer.argtypes = [
_libusb_transfer,
_libusb_device_handle,
c_ubyte,
POINTER(c_ubyte),
c_int,
c_int,
_libusb_transfer_cb_fn_p,
c_void_p,
c_uint
]
N)
rc rN r@ �!_LIBUSB_TRANSFER_TYPE_ISOCHRONOUSrP rQ �cast�c_void_prT rI rU rS rR )
�_libusb_transfer_prN r@ rT rI rU rR rS rQ rW r, r, r- �libusb_fill_iso_transfer s z3_setup_prototypes.<locals>.libusb_fill_iso_transfer)7rg r< Zlibusb_set_debugZargtypesr: r\ � libusb_exit�libusb_get_device_list�libusb_free_device_list�libusb_ref_deviceZrestype�libusb_unref_device�_libusb_device_handle� libusb_open� libusb_close�libusb_set_configuration�libusb_get_configuration�libusb_claim_interface�libusb_release_interface� libusb_set_interface_alt_setting�libusb_reset_device�libusb_kernel_driver_active�libusb_detach_kernel_driver�libusb_attach_kernel_driverrG � libusb_get_device_descriptorr8 rD � libusb_get_config_descriptor� libusb_free_config_descriptorr; Z"libusb_get_string_descriptor_asciir9 rL �libusb_control_transfer�libusb_bulk_transfer�libusb_interrupt_transfer�libusb_alloc_transferrM �libusb_free_transfer�libusb_submit_transfer�hasattrr( Zc_char_p�libusb_clear_haltrd � libusb_get_max_iso_packet_sizeri �libusb_get_bus_number�libusb_get_device_address�libusb_get_device_speedr* �libusb_get_port_number�libusb_get_port_numbers�libusb_handle_events)�librd ri r, r, r- �_setup_prototypes" s�
r� c C sF t | d�r| j} | dk rB| tkr.tt| ���ntt| �| t| ��| S )N�valuer )r� r� r �NotImplementedErrorr. r �
_libusb_errno)�retr, r, r- �_checkK s
r� c @ s e Zd Zdd� Zdd� ZdS )�_Devicec C s t j|�| _d S )N)r' rm �devid)�selfr� r, r, r- �__init__Y s z_Device.__init__c C s t j| j� d S )N)r' rn r� )r� r, r, r- �_finalize_object[ s z_Device._finalize_objectN)r5 r6 r7 r� r� r, r, r, r- r� X s r� c @ s e Zd Zddd�Zdd� ZdS )�_WrapDescriptorNc C s || _ || _d S )N)�obj�desc)r� r� r� r, r, r- r� a s z_WrapDescriptor.__init__c C s t | j|�S )N)�getattrr� )r� �namer, r, r- � __getattr__d s z_WrapDescriptor.__getattr__)N)r5 r6 r7 r� r� r, r, r, r- r� ` s
r� c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�_ConfigDescriptorc C s
|| _ d S )N)r� )r� r� r, r, r- r� i s z_ConfigDescriptor.__init__c C s t j| j� d S )N)r' r} r� )r� r, r, r- r� k s z"_ConfigDescriptor._finalize_objectc C s t | jj|�S )N)r� r� rc )r� r� r, r, r- r� m s z _ConfigDescriptor.__getattr__N)r5 r6 r7 r� r� r� r, r, r, r- r� h s r� c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )� _DevIteratorc C s( t t�� | _ttj|t| j���| _d S )N)r: rg �dev_listr� r' rk �byref�num_devs)r� �ctxr, r, r- r� s s z_DevIterator.__init__c c s( x"t | j�D ]}t| j| �V q W d S )N)�ranger� r� r� )r� �ir, r, r- �__iter__y s z_DevIterator.__iter__c C s t j| jd� d S )Nr )r' rl r� )r� r, r, r- r� | s z _DevIterator._finalize_objectN)r5 r6 r7 r� r� r� r, r, r, r- r� r s r� c @ s e Zd Zdd� ZdS )�
_DeviceHandlec C s, t � | _|j| _ttj| jt| j��� d S )N)ro �handler� r� r' rp r� )r� �devr, r, r- r� � s z_DeviceHandle.__init__N)r5 r6 r7 r� r, r, r, r- r� s r� c @ s> e Zd Zdd� Zdd� Zddd�Zdd � Zd
d � Zd d
� ZdS )�_IsoTransferHandlerc
C sz |j � \}}tj|j|�}ttjt|�| ��}tj|�| _ tj
| j |j |t |t
t��||t| j�d |� | j||� d S )N)� buffer_infor' r� r� �int�mathZceil�floatr� rW ri r� rf r: r; �_libusb_transfer_cb_fn_p� _IsoTransferHandler__callback�'_IsoTransferHandler__set_packets_length) r� rN �ep�buffrQ �addressrI �
packet_lengthZ packet_countr, r, r- r� � s z _IsoTransferHandler.__init__c C s t j| j� d S )N)r' r� rW )r� r, r, r- r� � s z$_IsoTransferHandler._finalize_objectNc C sd d| _ ttj| j�� x| j s.ttj|�� qW t| jjj�}|t kr\t
j t | |t
| ��| j� S )Nr )�"_IsoTransferHandler__callback_doner� r' r� rW r� r� rc rK �LIBUSB_TRANSFER_COMPLETEDr[ r �_str_transfer_error�_transfer_errno�-_IsoTransferHandler__compute_size_transf_data)r� r� rK r, r, r- �submit� s
z_IsoTransferHandler.submitc C s t dd� t| jj�D ��S )Nc S s g | ]
}|j �qS r, )rJ )�.0�tr, r, r- �
<listcomp>� s zB_IsoTransferHandler.__compute_size_transf_data.<locals>.<listcomp>)�sumrX rW rc )r� r, r, r- Z__compute_size_transf_data� s z._IsoTransferHandler.__compute_size_transf_datac C s< t j| j|� || }|r8t| jj�}t|�r8||d _d S )Nr ���)r' rd rW rX rc �lenrI )r� �nr� �rZ iso_packetsr, r, r- Z__set_packets_length� s z(_IsoTransferHandler.__set_packets_lengthc C s
d| _ d S )Nr )r� )r� rW r, r, r- Z
__callback� s z _IsoTransferHandler.__callback)N) r5 r6 r7 r� r� r� r� r� r� r, r, r, r- r� � s
r� c @ s� e Zd Zee�dd� �Zee�dd� �Zee�dd� �Zee�dd� �Zee�d d
� �Z ee�d d � �Z
ee�d
d� �Z ee�dd� �Z ee�dd� �Z
ee�dd� �Zee�dd� �Zee�dd� �Zee�dd� �Zee�dd � �Zee�d d � �Zee�d d � �Zee�d!d"� �Zee�d#d$� �Zee�d%d&� �Zee�d'd(� �Zee�d)d*� �Zee�d+d,� �Zee�d-d.� �Zee�d/d0� �Z ee�d1d2� �Z ee�d3d4� �Z d5d6� Z d7d8� Z d9S ):�_LibUSBc C s6 t jjj| � || _t� | _t| jjt | j��� d S )N)
r[ �backend�IBackendr� r� rg r� r� r\ r� )r� r� r, r, r- r� � s z_LibUSB.__init__c C s | j j| j� d S )N)r� rj r� )r� r, r, r- r� � s z_LibUSB._finalize_objectc C s
t | j�S )N)r� r� )r� r, r, r- �enumerate_devices� s z_LibUSB.enumerate_devicesc C s t � }t| jj|jt|��� | jj|j�|_| jj|j�|_ y| jj
|j�|_ W n t k
rl d |_ Y nX y| jj
|j�|_W n t k
r� d |_Y nX yLtd � }| jj|j|t|�� }|_|dkr�t|d |� �|_nd |_W n t k
�r d |_Y nX |S )Nr r )rG r� r� r{ r� r� r� Zbusr� r� r� Zspeedr* r� Z port_numberr8 r� r� Z port_numbers�tuple)r� r� Zdev_descr� Zwrittenr, r, r- �get_device_descriptor� s,
z _LibUSB.get_device_descriptorc C sB t t�� }t| jj|j|t|��� t|�}|jd |j � |_
|S )N) r: rD r� r� r| r� r� r� r3 r4 �extra_descriptors)r� r� �config�cfgZ config_descr, r, r- � get_configuration_descriptor� s
z$_LibUSB.get_configuration_descriptorc C sp | j ||�}||jkr&tdt|� ��|j| }||jkrJtdt|� ��|j| }|jd |j� |_ t
||�S )NzInvalid interface index z Invalid alternate setting index ) r� rE �
IndexError�strrF rC rB r3 r4 r� r� )r� r� �intf�altr� r� r� Z intf_descr, r, r- �get_interface_descriptor� s
z _LibUSB.get_interface_descriptorc C sP | j ||||�}||jkr*tdt|� ��|j| }|jd |j� |_t||�S )NzInvalid endpoint index ) r� r? r� r� r@ r3 r4 r� r� )r� r� r� r� r� r� r� Zep_descr, r, r- �get_endpoint_descriptor s
z _LibUSB.get_endpoint_descriptorc C s t |�S )N)r� )r� r� r, r, r- � open_device s z_LibUSB.open_devicec C s | j j|j� d S )N)r� rq r� )r� rN r, r, r- � close_device s z_LibUSB.close_devicec C s t | jj|j|�� d S )N)r� r� rr r� )r� rN Z config_valuer, r, r- �set_configuration s z_LibUSB.set_configurationc C s$ t � }t| jj|jt|��� |jS )N)r< r� r� rs r� r� r� )r� rN r� r, r, r- �get_configuration s z_LibUSB.get_configurationc C s t | jj|j||�� d S )N)r� r� rv r� )r� rN r� rB r, r, r- �set_interface_altsetting" s z _LibUSB.set_interface_altsettingc C s t | jj|j|�� d S )N)r� r� rt r� )r� rN r� r, r, r- �claim_interface) s z_LibUSB.claim_interfacec C s t | jj|j|�� d S )N)r� r� ru r� )r� rN r� r, r, r- �release_interface- s z_LibUSB.release_interfacec C s | j | jj|||||�S )N)�_LibUSB__writer� r )r� rN r� r� �datarQ r, r, r- �
bulk_write1 s
z_LibUSB.bulk_writec C s | j | jj|||||�S )N)�
_LibUSB__readr� r )r� rN r� r� r� rQ r, r, r- � bulk_read: s
z_LibUSB.bulk_readc C s | j | jj|||||�S )N)r� r� r� )r� rN r� r� r� rQ r, r, r- �
intr_writeC s
z_LibUSB.intr_writec C s | j | jj|||||�S )N)r� r� r� )r� rN r� r� r� rQ r, r, r- � intr_readL s
z_LibUSB.intr_readc C s t ||||�}|j| j�S )N)r� r� r� )r� rN r� r� r� rQ �handlerr, r, r- � iso_writeU s z_LibUSB.iso_writec C s t ||||�}|j| j�S )N)r� r� r� )r� rN r� r� r� rQ r� r, r, r- �iso_readZ s z_LibUSB.iso_readc C sD |j � \}} | |j9 } t| jj|j||||t|tt��| |��}
|
S )N) r� �itemsizer� r� r~ r� rf r: r; ) r� rN Z
bmRequestTypeZbRequestZwValueZwIndexr� rQ ZaddrrI r� r, r, r- �
ctrl_transfer_ s
z_LibUSB.ctrl_transferc C s t | jj|j|�� d S )N)r� r� r� r� )r� rN r� r, r, r- �
clear_haltw s z_LibUSB.clear_haltc C s t | jj|j�� d S )N)r� r� rw r� )r� rN r, r, r- � reset_device{ s z_LibUSB.reset_devicec C s t t| jj|j|���S )N)�boolr� r� rx r� )r� rN r� r, r, r- �is_kernel_driver_active s z _LibUSB.is_kernel_driver_activec C s t | jj|j|�� d S )N)r� r� ry r� )r� rN r� r, r, r- �detach_kernel_driver� s z _LibUSB.detach_kernel_driverc C s t | jj|j|�� d S )N)r� r� rz r� )r� rN r� r, r, r- �attach_kernel_driver� s z _LibUSB.attach_kernel_driverc C sZ |j � \}}||j9 }t� } ||j|t|tt��|t| �|�}
| joJ|
t ksTt
|
� | jS )N) r� r� r< r� rf r: r; r� r� r r� ) r� �fnrN r� r� r� rQ r� rI � transferred�retvalr, r, r- Z__write� s
z_LibUSB.__writec C sZ |j � \}}||j9 }t� } ||j|t|tt��|t| �|�}
| joJ|
t ksTt
|
� | jS )N) r� r� r< r� rf r: r; r� r� r r� ) r� r� rN r� r� r� rQ r� rI r� r� r, r, r- Z__read� s
z_LibUSB.__readN)!r5 r6 r7 r �_loggerr� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r, r, r, r- r� � s8 ! r� c C sn y"t d kr t| d�a tt � tt �S tjjk
rH tjddd� d S t k
rh tjddd� d S X d S )N)r^ z Error loading libusb 1.0 backendF)�exc_infoT)
r' rb r� r� r[ ra ZLibaryExceptionr� �error� Exception)r^ r, r, r- r � s
)r r� ������������i����i����i����i����i����i����i�i����)N)N)XZctypesZusb.utilr[ r_ ZloggingZ
usb._debugr Z usb._interopZ_interopZusb._objfinalizerZ
_objfinalizer�errnor� Zusb.corer Z
usb.libloader�
__author__�__all__Z getLoggerr� Z _LIBUSB_TRANSFER_TYPE_CONTROLre Z_LIBUSB_TRANSFER_TYPE_BULKZ _LIBUSB_TRANSFER_TYPE_INTERRUPTZLIBUSB_SUCCESSr r r r r
r r r
r r r r ZLIBUSB_ERROR_OTHERr+ �__dict__�getr� r� r r r r r r r� r� r. Z Structurer/ r> rA rD rG rH rg ro rM r: rh Z CFUNCTYPEr� r8 rL r< Z py_objectr= rX r' rb r� r� ZAutoFinalizedObjectr� �objectr� r� r� r� r� r� r� r� r r, r, r, r- �<module> s
+
9 n