cloud-email/cryptography - python cryptography

	Commit message (Expand)	Author	Age	Files	Lines
*	A new flake8 is out. Our code is bad again!	Alex Gaynor	2014-03-26	1	-45/+37
*	Added future imports and licenses that are missing	Alex Gaynor	2014-03-08	1	-0/+16
*	Specify the epub theme to fix the epub build on RTD.	David Reid	2014-01-16	1	-0/+2
*	Don't require sphinx spelling to be installed, for readthedocs benefit	Alex Gaynor	2014-01-16	1	-1/+8
*	Try to run the spellchecker on travis	Alex Gaynor	2014-01-10	1	-0/+1
*	Compute the version in the same way as setup.py does	Alex Gaynor	2014-01-06	1	-4/+7
*	Bump the copyright year	Alex Gaynor	2014-01-01	1	-1/+1
*	Update documentation again to make it clearer what this is for. Moved to usin...	Julian Krause	2013-12-12	1	-2/+0
*	Improve documentation.	Julian Krause	2013-12-05	1	-0/+1
*	Try to use the sphinx rtd theme locally if it's installed	Alex Gaynor	2013-11-08	1	-4/+12
*	pep8 fix	Alex Gaynor	2013-11-04	1	-1/+0
*	This is now the default theme on RTD	Alex Gaynor	2013-11-04	1	-3/+0
*	Made a sphinx extension which emits the hazardous materials danger admonition	Alex Gaynor	2013-10-29	1	-1/+5
*	Enable the new read the docs theme, it's pretty.	Alex Gaynor	2013-10-22	1	-0/+4
*	Use the Sphinx doctest builder	Donald Stufft	2013-08-11	1	-0/+1
*	Python 3.2 compatibility	Alex Gaynor	2013-08-07	1	-8/+8
*	Pep8 corrections to docs/conf.py	Alex Gaynor	2013-08-07	1	-25/+28
*	Initial commit. Migrates over basic project files, and the OpenSSL bindings	Alex Gaynor	2013-08-06	1	-0/+246

/* * This file is part of the flashrom project. * * Copyright (C) 2011 asbokid <ballymunboy@gmail.com> * Copyright (C) 2014 Pluto Yang <yangyj.ee@gmail.com> * Copyright (C) 2015-2016 Stefan Tauner * Copyright (C) 2015 Urja Rannikko <urjaman@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <stdlib.h> #include <string.h> #include <libusb.h> #include "flash.h" #include "programmer.h" /* LIBUSB_CALL ensures the right calling conventions on libusb callbacks. * However, the macro is not defined everywhere. m( */ #ifndef LIBUSB_CALL #define LIBUSB_CALL #endif #define USB_TIMEOUT 1000 /* 1000 ms is plenty and we have no backup strategy anyway. */ #define WRITE_EP 0x02 #define READ_EP 0x82 #define CH341_PACKET_LENGTH 0x20 #define CH341_MAX_PACKETS 256 #define CH341_MAX_PACKET_LEN (CH341_PACKET_LENGTH * CH341_MAX_PACKETS) #define CH341A_CMD_SET_OUTPUT 0xA1 #define CH341A_CMD_IO_ADDR 0xA2 #define CH341A_CMD_PRINT_OUT 0xA3 #define CH341A_CMD_SPI_STREAM 0xA8 #define CH341A_CMD_SIO_STREAM 0xA9 #define CH341A_CMD_I2C_STREAM 0xAA #define CH341A_CMD_UIO_STREAM 0xAB #define CH341A_CMD_I2C_STM_START 0x74 #define CH341A_CMD_I2C_STM_STOP 0x75 #define CH341A_CMD_I2C_STM_OUT 0x80 #define CH341A_CMD_I2C_STM_IN 0xC0 #define CH341A_CMD_I2C_STM_MAX ( min( 0x3F, CH341_PACKET_LENGTH ) ) #define CH341A_CMD_I2C_STM_SET 0x60 // bit 2: SPI with two data pairs D5,D4=out, D7,D6=in #define CH341A_CMD_I2C_STM_US 0x40 #define CH341A_CMD_I2C_STM_MS 0x50 #define CH341A_CMD_I2C_STM_DLY 0x0F #define CH341A_CMD_I2C_STM_END 0x00 #define CH341A_CMD_UIO_STM_IN 0x00 #define CH341A_CMD_UIO_STM_DIR 0x40 #define CH341A_CMD_UIO_STM_OUT 0x80 #define CH341A_CMD_UIO_STM_US 0xC0 #define CH341A_CMD_UIO_STM_END 0x20 #define CH341A_STM_I2C_20K 0x00 #define CH341A_STM_I2C_100K 0x01 #define CH341A_STM_I2C_400K 0x02 #define CH341A_STM_I2C_750K 0x03 #define CH341A_STM_SPI_DBL 0x04 /* Number of parallel IN transfers. 32 seems to produce the most stable throughput on Windows. */ #define USB_IN_TRANSFERS 32 struct ch341a_spi_data { struct libusb_device_handle *handle; /* We need to use many queued IN transfers for any resemblance of performance (especially on Windows) * because USB spec says that transfers end on non-full packets and the device sends the 31 reply * data bytes to each 32-byte packet with command + 31 bytes of data... */ struct libusb_transfer *transfer_out; struct libusb_transfer *transfer_ins[USB_IN_TRANSFERS]; /* Accumulate delays to be plucked between CS deassertion and CS assertions. */ unsigned int stored_delay_us; }; static const struct dev_entry devs_ch341a_spi[] = { {0x1A86, 0x5512, OK, "Winchiphead (WCH)", "CH341A"}, {0}, }; enum trans_state {TRANS_ACTIVE = -2, TRANS_ERR = -1, TRANS_IDLE = 0}; static void print_hex(const void *buf, size_t len) { size_t i; for (i = 0; i < len; i++) { msg_pspew(" %02x", ((uint8_t *)buf)[i]); if (i % CH341_PACKET_LENGTH == CH341_PACKET_LENGTH - 1) msg_pspew("\n"); } } static void cb_common(const char *func, struct libusb_transfer *transfer) { int *transfer_cnt = (int*)transfer->user_data; if (transfer->status == LIBUSB_TRANSFER_CANCELLED) { /* Silently ACK and exit. */ *transfer_cnt = TRANS_IDLE; return; } if (transfer->status != LIBUSB_TRANSFER_COMPLETED) { msg_perr("\n%s: error: %s\n", func, libusb_error_name(transfer->status)); *transfer_cnt = TRANS_ERR; } else { *transfer_cnt = transfer->actual_length; } } /* callback for bulk out async transfer */ static void LIBUSB_CALL cb_out(struct libusb_transfer *transfer)