File: //proc/self/root/lib/python3.6/site-packages/usb/backend/__pycache__/libusb0.cpython-36.opt-1.pyc
3
>A%W�\ �
@ s� d dl T d dlZd dlZd dlZd dlZd dlmZ d dlm Z d dl
j Z d dl Z d dl
ZdZdgZe jd�Zejjd�dBks�ejjd
�dCks�ejjd �dDks�ejjd �dEkr�d
Zn&ejdks�ejdkr�dZn ejdd�ZG dd� de�Zejdk�sejdk�rd e_G dd� de�ZG dd� de�ZG dd� dee�Z G dd � d ee�Z G d d � d ee�Z G d d � d ee�Z G d!d"� d"ee�Z G d#d$� d$ee�Z!G d%d&� d&ee�Z"d'e#e!�fd(e#e!�fd)e$ed fd*e#e"�fd+e fd,e#e �fd-e%fd.e&fd/e'fd0e#e#e!��fg
e!_(d'e#e"�fd(e#e"�fd1e)ed fd2e#e!�fd3e*fd4e#e!�fge"_(e%Z+G d5d6� d6�Z,da-dFd7d8�Z.d9d:� Z/d;d<� Z0d=d>� Z1G d?d@� d@ej2j3�Z4dGdAd�Z5dS )H� )�*N)�USBError)� methodtracezWander Lairson Costa� get_backendzusb.backend.libusb0Zbsd� Zmac�darwinZsunos5i Zwin32�cygwini� �.� PC_PATH_MAXc @ s e Zd ZdS )� _PackPolicyN)�__name__�
__module__� __qualname__� r r � /usr/lib/python3.6/libusb0.pyr < s r c @ s e Zd ZdZdefdefgZdS )�_usb_descriptor_headerr Zblength�bDescriptorTypeN)r r
r �_pack_�c_uint8�_fields_r r r r r D s r c @ s& e Zd ZdZdefdefdefgZdS )�_usb_string_descriptorr �bLengthr ZwDataN)r r
r r r �c_uint16r r r r r r I s r c @ sP e Zd Zdefdefdefdefdefdefdefdefd ee�fd
efg
Zd S ) �_usb_endpoint_descriptorr r ZbEndpointAddress� bmAttributesZwMaxPacketSizeZ bIntervalZbRefreshZ
bSynchAddress�extra�extralenN)r r
r r r �POINTER�c_intr r r r r r O s
r c
@ s` e Zd Zdefdefdefdefdefdefdefdefd efd
ee�fd ee�fd efg Zd
S )�_usb_interface_descriptorr r ZbInterfaceNumberZbAlternateSetting�
bNumEndpointsZbInterfaceClassZbInterfaceSubClassZbInterfaceProtocolZ
iInterface�endpointr r N)r r
r r r r r r r r r r r [ s
r c @ s e Zd Zdee�fdefgZdS )�_usb_interface�
altsetting�num_altsettingN)r r
r r r r r r r r r r" i s
r" c @ sZ e Zd Zdefdefdefdefdefdefdefdefd ee�fd
ee�fd efg Zd S )
�_usb_config_descriptorr r Z wTotalLength�bNumInterfacesZbConfigurationValueZiConfigurationr Z bMaxPower� interfacer r N) r r
r r r r r" r r r r r r r% m s
r% c @ sh e Zd ZdZdefdefdefdefdefdefdefd efd
efd efd efd
efdefdefgZdS )�_usb_device_descriptorr r r �bcdUSB� bDeviceClass�bDeviceSubClass�bDeviceProtocol�bMaxPacketSize0�idVendor� idProduct� bcdDevice�
iManufacturer�iProduct�
iSerialNumber�bNumConfigurationsN)r r
r r r r r r r r r r( z s r( c @ s e Zd ZdS )� _usb_deviceN)r r
r r r r r r5 � s r5 c @ s e Zd ZdS )�_usb_busN)r r
r r r r r r6 � s r6 �next�prev�filename�bus�
descriptor�config�dev�devnumZ num_childrenZchildren�dirname�devices�locationZroot_devc @ s e Zd Zdd� ZdS )�_DeviceDescriptorc C s� |j }|j| _|j| _|j| _|j| _|j| _|j| _|j| _|j| _|j | _ |j
| _
|j | _ |j | _ |j
| _
|j| _|j| _|jd j| _d | _d | _d | _d S )Nr )r; r r r) r* r+ r, r- r. r/ r0 r1 r2 r3 r4 r> �addressr: rA Z port_numberZ port_numbersZspeed)�selfr= Zdescr r r �__init__� s( z_DeviceDescriptor.__init__N)r r
r rE r r r r rB � s rB c C s t jjddd| d�S )N�usb-0.1�usb�libusb0z cygusb0.dllzLibusb 0)� find_library)rF rG rH )rG � libloaderZload_locate_library)rI r r r �
_load_library� s rK c C sH t t�g| j_t| j_tg| j_ttttt g| j
_tttt g| j _ttt t t
tg| j_tt t t
tg| j_tttttg| j_tttttg| j_tttttg| j_tttttg| j_ttttttttg| j_ttg| j_ttg| j_ttg| j_ttg| j_ttg| j_ttg| j_tg| j_g | j _t| j _tg| j _tg| j _t t�| j _t t �| j _t!| d��rnttg| j"_t!| d��r�tt t
�t#tg| j$_t!| d��r�tt t
�t#g| j%_t!| d��r�tt t
�t#g| j&_t!| d��r�t
ttg| j'_t!| d��r�t
tg| j(_t!| d��rt
tg| j)_t!| d��r*t
g| j*_t!| d ��rDt t
�g| j+_d S )
N�usb_detach_kernel_driver_np�usb_isochronous_setup_async�usb_bulk_setup_async�usb_interrupt_setup_async�usb_submit_async�usb_reap_async�usb_reap_async_nocancel�usb_cancel_async�usb_free_async),r r5 �usb_openZargtypes�_usb_dev_handleZrestype� usb_closer �c_char_pZc_size_tZusb_get_stringZusb_get_string_simple�c_ubyte�c_void_pZ usb_get_descriptor_by_endpointZusb_get_descriptor�usb_bulk_write�
usb_bulk_read�usb_interrupt_write�usb_interrupt_read�usb_control_msg�usb_set_configuration�usb_claim_interface�usb_release_interface�usb_set_altinterfaceZ usb_resetep�usb_clear_halt� usb_reset� usb_strerrorZ
usb_set_debugZ
usb_devicer6 �usb_get_busses�hasattrrL r rM rN rO rP rQ rR rS rT )�libr r r �_setup_prototypes� s�
rj c C s^ | d krt j� }n>t| d�r"| j} | dk rLt j� }|j� dkrPtj| �}n| S t|| ��d S )N�valuer zno error)�_librf rh rk �lower�os�strerrorr )�ret�errmsgr r r �_check� s
rr c C s
t td�S )NrM )rh rl r r r r �_has_iso_transfer� s rs 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$� �Zee�d%d&� �Zee�d'd(� �Zee�d)d*� �Zee�d+d,� �Zd-d.� Zd/d0� Z d1d2� Z d3S )4�_LibUSBc c sh t tj� � t tj� � tj� }xBt|�rb|d j}x t|�rT|d V |d j}q6W |d j}q"W d S )Nr )rr rl Zusb_find_bussesZusb_find_devicesrg �boolr@ r7 )rD r: r= r r r �enumerate_devices� s
z_LibUSB.enumerate_devicesc C s t |�S )N)rB )rD r= r r r �get_device_descriptor� s z _LibUSB.get_device_descriptorc C s< ||j jkr tdt|� ��|j| }|jd |j� |_|S )Nz Invalid configuration index )r; r4 �
IndexError�strr< r r �extra_descriptors)rD r= r< Z config_descr r r � get_configuration_descriptor� s
z$_LibUSB.get_configuration_descriptorc C sj | j ||�}||jkr&tdt|� ��|j| }||jkrJtdt|� ��|j| }|jd |j� |_ |S )NzInvalid interface index z Invalid alternate setting index )
r{ r& rx ry r' r$ r# r r rz )rD r= �intf�altr< Zcfgdescr' Z intf_descr r r �get_interface_descriptor� s
z _LibUSB.get_interface_descriptorc C sJ | j ||||�}||jkr*tdt|� ��|j| }|jd |j� |_|S )NzInvalid endpoint index )r~ r rx ry r! r r rz )rD r= �epr| r} r< r' Zep_descr r r �get_endpoint_descriptor� s
z _LibUSB.get_endpoint_descriptorc C s t tj|��S )N)rr rl rU )rD r= r r r � open_device� s z_LibUSB.open_devicec C s t tj|�� d S )N)rr rl rW )rD �
dev_handler r r � close_device� s z_LibUSB.close_devicec C s t tj||�� d S )N)rr rl r` )rD r� Z config_valuer r r �set_configuration� s z_LibUSB.set_configurationc C sF t jjt jjt jjt jj�}t jjd�}| j||ddd|d�}|d S )Nr � r �d )rG �utilZbuild_request_typeZCTRL_INZCTRL_TYPE_STANDARDZCTRL_RECIPIENT_DEVICEZ
create_buffer�
ctrl_transfer)rD r� �
bmRequestType�buffrp r r r �get_configuration� s
z_LibUSB.get_configurationc C s t tj||�� d S )N)rr rl rc )rD r� r| r# r r r �set_interface_altsetting s z _LibUSB.set_interface_altsettingc C s t tj||�� d S )N)rr rl ra )rD r� r| r r r �claim_interface s z_LibUSB.claim_interfacec C s t tj||�� d S )N)rr rl rb )rD r� r| r r r �release_interface s z_LibUSB.release_interfacec C s | j tj|||||�S )N)�_LibUSB__writerl r[ )rD r� r r| �data�timeoutr r r �
bulk_write s
z_LibUSB.bulk_writec C s | j tj|||||�S )N)�
_LibUSB__readrl r\ )rD r� r r| r� r� r r r � bulk_read s z_LibUSB.bulk_readc C s | j tj|||||�S )N)r� rl r] )rD r� r r| r� r� r r r �
intr_write s z_LibUSB.intr_writec C s | j tj|||||�S )N)r� rl r^ )rD r� r r| r� r� r r r � intr_read) s z_LibUSB.intr_readc C s0 t � s tjjj| |||||�S | j|||||�S )N)rs rG �backend�IBackend� iso_write�_LibUSB__iso_transfer)rD r� r r| r� r� r r r r� 2 s z_LibUSB.iso_writec C s0 t � s tjjj| |||||�S | j|||||�S )N)rs rG r� r� �iso_readr� )rD r� r r| r� r� r r r r� 8 s z_LibUSB.iso_readc
C s8 |j � \}} | |j9 } ttj|||||t|t�| |��S )N)� buffer_info�itemsizerr rl r_ �castrX )
rD r� r� ZbRequestZwValueZwIndexr� r� rC �lengthr r r r� > s
z_LibUSB.ctrl_transferc C s t tj||�� d S )N)rr rl rd )rD r� r r r r �
clear_haltT s z_LibUSB.clear_haltc C s t tj|�� d S )N)rr rl re )rD r� r r r � reset_deviceX s z_LibUSB.reset_devicec C s t tj||�� d S )N)rr rl rL )rD r� r| r r r �detach_kernel_driver\ s z _LibUSB.detach_kernel_driverc C s4 |j � \}}||j9 }tt|||t|t�||���S )N)r� r� �intrr r� rX ) rD �fnr� r r| r� r� rC r� r r r Z__write` s
z_LibUSB.__writec
C s8 |j � \}}||j9 }tt|||t|t�||���} | S )N)r� r� r� rr r� rX )
rD r� r� r r| r� r� rC r� rp r r r Z__readk s
z_LibUSB.__readc C s� t � }|j� \}}||j9 }ttj|t|�|d�� d} zjyRxL| |k r�ttj|t|| t �|| �� ttj
||��}
|
s~| S | |
7 } q>W W n | s�� Y nX W d ttj t|��� X | S )Nr ) rZ r� r� rr rl rM ZbyrefrP r� rX rQ rT ) rD r� r r| r� r� �contextr� r� Z transmittedrp r r r Z__iso_transferw s0
z_LibUSB.__iso_transferN) r r
r r �_loggerrv rw 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 rt � s2 rt c C sr y&t d kr"t| �a tt � t j� t� S tjjk
rL tj ddd� d S t
k
rl tj ddd� d S X d S )Nz Error loading libusb 0.1 backendF)�exc_infoT) rl rK rj Zusb_initrt rG rJ ZLibaryExceptionr� �error� Exception)rI r r r r � s ���r� r� r� )N)N)6Zctypesrn Z usb.backendrG Zusb.util�sysZusb.corer Z
usb._debugr Z usb._interopZ_interopZloggingZ
usb.libloader�
__author__�__all__Z getLoggerr� �platform�findZ _PATH_MAX�pathconf�objectr r Z Structurer r r r r" r% r( r5 r6 r Zc_int8rZ r rY r Zc_charZc_uint32rV rB rl rK rj rr rs r� r� rt r r r r r �<module> sr
Y d