diff --git a/misoclib/com/liteusb/software/ftdi/README b/misoclib/com/liteusb/software/ftdi/README new file mode 100644 index 000000000..81aa546fe --- /dev/null +++ b/misoclib/com/liteusb/software/ftdi/README @@ -0,0 +1,14 @@ +[> Libftdicom +------------------------------ + +[> Windows build +-------------------------- +1. Install MinGW32 +2. Download libusbx windows binaries (tested version: libusbx-1.0.17-win) +3. Put libusb-1.0.dll.a in mingw lib directory +4. Download Zadig and use WinUSB driver for Interface A and Interface B +5. make all in libftdicom/win + +[> Linux build +-------------------------- +1. make all in libftdicom/linux \ No newline at end of file diff --git a/misoclib/com/liteusb/software/ftdi/__init__.py b/misoclib/com/liteusb/software/ftdi/__init__.py new file mode 100644 index 000000000..49b68af2d --- /dev/null +++ b/misoclib/com/liteusb/software/ftdi/__init__.py @@ -0,0 +1,352 @@ +import platform +import ctypes +import os +import time +import queue +import threading + +_lpath = (os.path.dirname(__file__)) +if _lpath == '': + _lpath = '.' +if platform.system() == "Windows": + libftdicom = ctypes.cdll.LoadLibrary(_lpath + "/libftdicom.dll") +else: + libftdicom = ctypes.cdll.LoadLibrary(_lpath + "/libftdicom.so") + + +class FTDI_Device(ctypes.Structure): + _fields_ = [ + ('_1', ctypes.c_void_p), + ('_2', ctypes.c_void_p), + ] + +pFTDI_Device = ctypes.POINTER(FTDI_Device) + +# FTDIDevice_Open +FTDIDevice_Open = libftdicom.FTDIDevice_Open +FTDIDevice_Open.argtypes = [ + pFTDI_Device, # Dev + ctypes.c_int # Interface + ] +FTDIDevice_Open.restype = ctypes.c_int + +# FTDIDevice_Close +FTDIDevice_Close = libftdicom.FTDIDevice_Close +FTDIDevice_Close.argtypes = [pFTDI_Device] + +FTDIDevice_SetMode = libftdicom.FTDIDevice_SetMode +FTDIDevice_SetMode.argtypes = [ + pFTDI_Device, # Dev + ctypes.c_int, # Interface + ctypes.c_int, # Mode + ctypes.c_char, # PinDirection + ctypes.c_char, # baudrate + ] + + +FTDIDevice_Write = libftdicom.FTDIDevice_Write +FTDIDevice_Write.argtypes = [ + pFTDI_Device, # Dev + ctypes.c_int, # Interface + ctypes.c_char_p, # Buf + ctypes.c_size_t, # N + ctypes.c_bool, # async + ] +FTDIDevice_Write.restype = ctypes.c_int + +p_cb_StreamCallback = ctypes.CFUNCTYPE( + ctypes.c_int, # retval + ctypes.POINTER(ctypes.c_uint8), # buf + ctypes.c_int, # length + ctypes.c_void_p, # progress + ctypes.c_void_p) # userdata + +FTDIDevice_ReadStream = libftdicom.FTDIDevice_ReadStream +FTDIDevice_ReadStream.argtypes = [ + pFTDI_Device, # dev + ctypes.c_int, # interface + p_cb_StreamCallback, # callback + ctypes.c_void_p, # userdata + ctypes.c_int, # packetsPerTransfer + ctypes.c_int, # numTransfers + ] +FTDIDevice_ReadStream.restype = ctypes.c_int + +FTDI_INTERFACE_A = 1 +FTDI_INTERFACE_B = 2 + +FTDI_BITMODE_SYNC_FIFO = (1 << 6) + + +class FTDIDevice: + def __init__(self, interface, mode): + self.__is_open = False + self._dev = FTDI_Device() + self.interface = interface + self.mode = mode + + def __del__(self): + if self.__is_open: + self.__is_open = False + FTDIDevice_Close(self._dev) + + def open(self): + err = FTDIDevice_Open(self._dev, self.interface) + if err: + return err + else: + self.__is_open = True + + if self.mode == "synchronous": + err = FTDIDevice_SetMode(self._dev, interface, FTDI_BITMODE_SYNC_FIFO, 0xFF, 0) + + return err + + def write(self, intf, buf, async=False): + if not isinstance(buf, bytes): + raise TypeError("buf must be bytes") + + return FTDIDevice_Write(self._dev, intf, buf, len(buf), async) + + def read(self, intf, n): + buf = [] + + def callback(b, prog): + buf.extend(b) + return int(len(buf) >= n) + + self.read_async(intf, callback, 4, 4) + + return buf + + def read_async(self, intf, callback, packetsPerTransfer, numTransfers): + def callback_wrapper(buf, ll, prog, user): + if ll: + b = ctypes.string_at(buf, ll) + else: + b = b'' + return callback(b, prog) + + cb = p_cb_StreamCallback(callback_wrapper) + + return FTDIDevice_ReadStream(self._dev, intf, cb, + None, packetsPerTransfer, numTransfers) + + +class ProtocolError(Exception): + pass + + +class TimeoutError(Exception): + pass + + +INCOMPLETE = -1 +UNMATCHED = 0 +class BaseService: + def match_identifier(self, byt): + r = True + r = r and (byt[0] == 0x5A) + r = r and (byt[1] == 0xA5) + r = r and (byt[2] == 0x5A) + r = r and (byt[3] == 0xA5) + r = r and (byt[4] == self.tag) + return r + + def get_needed_size_for_identifier(self): + return self.NEEDED_FOR_SIZE + + def present_bytes(self, b): + if len(b) < self.get_needed_size_for_identifier(): + return INCOMPLETE + + if not self.match_identifier(b): + return UNMATCHED + + size = self.get_packet_size(b) + + if len(b) < size: + return INCOMPLETE + + self.consume(b[:size]) + + return size + + +class UART: + class __UARTService(BaseService): + NEEDED_FOR_SIZE = 9 + + def __init__(self, tag): + self.tag = tag + self.q = queue.Queue() + + def get_packet_size(self, buf): + return 10 + + def consume(self, buf): + self.q.put(buf[9]) + + def __init__(self, tag): + self.tag = tag + self.service = UART.__UARTService(self.tag) + + def do_read(self, timeout=None): + try: + resp = self.service.q.get(True, timeout) + except queue.Empty: + return -1 + return resp + + def do_write(self, value): + msg = [0x5A, 0xA5, 0x5A, 0xA5, self.tag, 0x00, 0x00, 0x00, 1, value&0xFF] + self.service.write(bytes(msg)) + + +class DMA: + class __DMAService(BaseService): + NEEDED_FOR_SIZE = 9 + + def __init__(self, tag): + self.tag = tag + self.q = queue.Queue() + + def get_packet_size(self, buf): + payload_size = buf[5] << 24 + payload_size |= buf[6] << 16 + payload_size |= buf[7] << 8 + payload_size |= buf[8] << 0 + return 9 + payload_size + + def consume(self, buf): + self.q.put(buf[9:]) + + def __init__(self, tag): + self.tag = tag + self.service = DMA.__DMAService(self.tag) + + def do_read(self, timeout=None): + try: + resp = list(self.service.q.get(True, timeout)) + except queue.Empty: + raise TimeoutError("DMA read timed out") + return resp + + def do_write(self, data): + length = len(data) + msg = [0x5A, 0xA5, 0x5A, 0xA5, self.tag, + (length & 0xff000000) >> 24, + (length & 0x00ff0000) >> 16, + (length & 0x0000ff00) >> 8, + (length & 0x000000ff) >> 0] + msg += data + self.service.write(bytes(msg)) + + +class FTDIComDevice: + def __init__(self, interface, mode, uart_tag=0, dma_tag=1, verbose=False): + self.__is_open = False + + self.interface = interface + self.mode = mode + + self.dev = FTDIDevice(interface, mode) + self.verbose = verbose + + self.uart = UART(uart_tag) + self.dma = DMA(dma_tag) + + self.__services = [self.uart.service, self.dma.service] + + # Inject a write function into the services + for service in self.__services: + def write(msg): + if self.verbose: + print("< %s" % " ".join("%02x" % i for i in msg)) + + self.dev.write(self.interface, msg, async=False) + + service.write = write + + def __comms(self): + self.__buf = b"" + + def callback(b, prog): + try: + if self.verbose and b: + print("> %s" % " ".join("%02x" % i for i in b)) + + self.__buf += b + + incomplete = False + + while self.__buf and not incomplete: + for service in self.__services: + code = service.present_bytes(self.__buf) + if code == INCOMPLETE: + incomplete = True + break + elif code: + self.__buf = self.__buf[code:] + break + else: + self.__buf = self.__buf[1:] + + return int(self.__comm_term) + except Exception as e: + self.__comm_term = True + self.__comm_exc = e + return 1 + + while not self.__comm_term: + self.dev.read_async(self.interface, callback, 8, 16) + + if self.__comm_exc: + raise self.__comm_exc + + def __del__(self): + if self.__is_open: + self.close() + + def open(self): + if self.__is_open: + raise ValueError("FTDICOMDevice doubly opened") + + stat = self.dev.open() + if stat: + print("USB: Error opening device\n") + return stat + + self.commthread = threading.Thread(target=self.__comms, daemon=True) + self.__comm_term = False + self.__comm_exc = None + + self.commthread.start() + + self.__comm_term = False + self.__is_open = True + + def close(self): + if not self.__is_open: + raise ValueError("FTDICOMDevice doubly closed") + + self.__comm_term = True + self.commthread.join() + + self.__is_open = False + + def uartflush(self, timeout=0.25): + while (self.uartread(timeout) != -1): + pass + + def uartread(self, timeout=None): + return self.uart.do_read(timeout) + + def uartwrite(self, value): + return self.uart.do_write(value) + + def dmaread(self): + return self.dma.do_read() + + def dmawrite(self, data): + return self.dma.do_write(data) diff --git a/misoclib/com/liteusb/software/ftdi/example.py b/misoclib/com/liteusb/software/ftdi/example.py new file mode 100644 index 000000000..b1cdbba8a --- /dev/null +++ b/misoclib/com/liteusb/software/ftdi/example.py @@ -0,0 +1,81 @@ +import platform +import os +import sys +import time +import threading + +# XXX FTDI Communication POC + +sys.path.append("../") +from ftdi import FTDIComDevice, FTDI_INTERFACE_B + +def uart_console(ftdi_com): + def read(): + while True: + print(chr(ftdi_com.uartread()), end="") + + readthread = threading.Thread(target=read, daemon=True) + readthread.start() + + def write(): + while True: + for e in input(): + c = ord(e) + ftdi_com.uartwrite(c) + ftdi_com.uartwrite(ord("\n")) + + + writethread = threading.Thread(target=write, daemon=True) + writethread.start() + + +def uart_virtual(ftdi_com): + import pty, serial + master, slave = pty.openpty() + s_name = os.ttyname(slave) + ser = serial.Serial(s_name) + + def read(): + while True: + s = ftdi_com.uartread() + s = bytes(chr(s).encode('utf-8')) + os.write(master, s) + + readthread = threading.Thread(target=read, daemon=True) + readthread.start() + + def write(): + while True: + for c in list(os.read(master, 100)): + ftdi_com.uartwrite(c) + + writethread = threading.Thread(target=write, daemon=True) + writethread.start() + + return s_name + + +ftdi_map = { + "uart": 0, + "dma": 1 +} +ftdi_com = FTDIComDevice(FTDI_INTERFACE_B, + mode="asynchronous", + uart_tag=ftdi_map["uart"], + dma_tag=ftdi_map["dma"], + verbose=False) +ftdi_com.open() +# test DMA +for i in range(256): + ftdi_com.dmawrite([i]) + print("%02x" %(ftdi_com.dmaread()[0]), end="") + sys.stdout.flush() +print("") +# test UART +if platform.system() == "Windows": + uart_console(ftdi_com) # redirect uart to console since pty does not exist on Windows platforms +else: + s_name = uart_virtual(ftdi_com) + print(s_name) +while True: + time.sleep(1) diff --git a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/fastftdi.c b/misoclib/com/liteusb/software/ftdi/fastftdi.c similarity index 95% rename from misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/fastftdi.c rename to misoclib/com/liteusb/software/ftdi/fastftdi.c index e2797c758..9f49b4162 100644 --- a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/fastftdi.c +++ b/misoclib/com/liteusb/software/ftdi/fastftdi.c @@ -4,6 +4,7 @@ * synchronous FIFO mode. Requires libusb-1.0 * * Copyright (C) 2009 Micah Elizabeth Scott + * Copyright (C) 2015 Florent Kermarrec * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -51,16 +52,14 @@ typedef struct { } FTDIStreamState; static int -DeviceInit(FTDIDevice *dev) +DeviceInit(FTDIDevice *dev, FTDIInterface interface) { - int err, interface; + int err; - for (interface = 0; interface < 2; interface++) { - if (libusb_kernel_driver_active(dev->handle, interface) == 1) { - if ((err = libusb_detach_kernel_driver(dev->handle, interface))) { - perror("Error detaching kernel driver"); - return err; - } + if (libusb_kernel_driver_active(dev->handle, (interface-1)) == 1) { + if ((err = libusb_detach_kernel_driver(dev->handle, (interface-1)))) { + perror("Error detaching kernel driver"); + return err; } } @@ -69,11 +68,9 @@ DeviceInit(FTDIDevice *dev) return err; } - for (interface = 0; interface < 2; interface++) { - if ((err = libusb_claim_interface(dev->handle, interface))) { - perror("Error claiming interface"); - return err; - } + if ((err = libusb_claim_interface(dev->handle, (interface-1)))) { + perror("Error claiming interface"); + return err; } return 0; @@ -81,7 +78,7 @@ DeviceInit(FTDIDevice *dev) int -FTDIDevice_Open(FTDIDevice *dev) +FTDIDevice_Open(FTDIDevice *dev, FTDIInterface interface) { int err; @@ -93,9 +90,6 @@ FTDIDevice_Open(FTDIDevice *dev) libusb_set_debug(dev->libusb, 0); - dev->handle = libusb_open_device_with_vid_pid(dev->libusb, - LITEUSB_VENDOR, - LITEUSB_PRODUCT); if (!dev->handle) { dev->handle = libusb_open_device_with_vid_pid(dev->libusb, @@ -107,7 +101,7 @@ FTDIDevice_Open(FTDIDevice *dev) return LIBUSB_ERROR_NO_DEVICE; } - return DeviceInit(dev); + return DeviceInit(dev, interface); } @@ -120,7 +114,7 @@ FTDIDevice_Close(FTDIDevice *dev) int -FTDIDevice_Reset(FTDIDevice *dev) +FTDIDevice_Reset(FTDIDevice *dev, FTDIInterface interface) { int err; @@ -128,7 +122,7 @@ FTDIDevice_Reset(FTDIDevice *dev) if (err) return err; - return DeviceInit(dev); + return DeviceInit(dev, interface); } diff --git a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/fastftdi.h b/misoclib/com/liteusb/software/ftdi/fastftdi.h similarity index 96% rename from misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/fastftdi.h rename to misoclib/com/liteusb/software/ftdi/fastftdi.h index c7166dec8..b42514270 100644 --- a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/fastftdi.h +++ b/misoclib/com/liteusb/software/ftdi/fastftdi.h @@ -4,6 +4,7 @@ * for synchronous FIFO mode. * * Copyright (C) 2009 Micah Elizabeth Scott + * Copyright (C) 2015 Florent Kermarrec * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -79,9 +80,6 @@ typedef struct { #define FTDI_VENDOR 0x0403 #define FTDI_PRODUCT_FT2232H 0x6010 -#define LITEUSB_VENDOR 0x1d50 -#define LITEUSB_PRODUCT 0x607c - #define FTDI_COMMAND_TIMEOUT 1000 #define FTDI_SET_BAUD_REQUEST 0x03 @@ -102,9 +100,9 @@ typedef int (FTDIStreamCallback)(uint8_t *buffer, int length, * Public Functions */ -int FTDIDevice_Open(FTDIDevice *dev); +int FTDIDevice_Open(FTDIDevice *dev, FTDIInterface interface); void FTDIDevice_Close(FTDIDevice *dev); -int FTDIDevice_Reset(FTDIDevice *dev); +int FTDIDevice_Reset(FTDIDevice *dev, FTDIInterface interface); int FTDIDevice_SetMode(FTDIDevice *dev, FTDIInterface interface, FTDIBitmode mode, uint8_t pinDirections, diff --git a/misoclib/com/liteusb/software/ftdi/ft2232h/.keep_me b/misoclib/com/liteusb/software/ftdi/ft2232h/.keep_me deleted file mode 100644 index e69de29bb..000000000 diff --git a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/Makefile b/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/Makefile deleted file mode 100644 index 65755af51..000000000 --- a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/Makefile +++ /dev/null @@ -1,15 +0,0 @@ -CC=gcc -CFLAGS =-Wall -O0 -CFLAGS_DLL =-Wall -O0 -g -shared -Wl,--out-implib,libftdicom.a -INC=-I. -I../libusb -LIBS_PATHS= -L. -L../libusb -LIBS_DLL= -lusb-1.0 -lpthreadGC2 - -all: libftdicom.dll - -libftdicom.dll: crc32.c fastftdi.c ftdicom.c - $(CC) $(INC) -o $@ $(CFLAGS_DLL) $^ $(LIBS_PATHS) $(LIBS_DLL) - -clean: - rm libftdicom.a - rm libftdicom.dll \ No newline at end of file diff --git a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/crc.h b/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/crc.h deleted file mode 100644 index 61cc036bd..000000000 --- a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/crc.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef __CRC_H -#define __CRC_H - -unsigned short crc16(const unsigned char *buffer, int len); -unsigned int crc32(const unsigned char *buffer, unsigned int len); - -#endif diff --git a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/crc32.c b/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/crc32.c deleted file mode 100644 index 29b9b9944..000000000 --- a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/crc32.c +++ /dev/null @@ -1,81 +0,0 @@ -/* crc32.c -- compute the CRC-32 of a data stream - * Copyright (C) 1995-1998 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -#include <crc.h> - -static const unsigned int crc_table[256] = { - 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, - 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L, - 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, - 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, - 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L, - 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, - 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, - 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, - 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, - 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL, - 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, - 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, - 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L, - 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, - 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, - 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, - 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, - 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L, - 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, - 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, - 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL, - 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, - 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L, - 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, - 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, - 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L, - 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, - 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, - 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L, - 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, - 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, - 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, - 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, - 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL, - 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, - 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, - 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL, - 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, - 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, - 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, - 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, - 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L, - 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, - 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, - 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L, - 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, - 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, - 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, - 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, - 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L, - 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, - 0x2d02ef8dL -}; - -#define DO1(buf) crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8); -#define DO2(buf) DO1(buf); DO1(buf); -#define DO4(buf) DO2(buf); DO2(buf); -#define DO8(buf) DO4(buf); DO4(buf); - -unsigned int crc32(const unsigned char *buffer, unsigned int len) -{ - unsigned int crc; - crc = 0; - crc = crc ^ 0xffffffffL; - while(len >= 8) { - DO8(buffer); - len -= 8; - } - if(len) do { - DO1(buffer); - } while(--len); - return crc ^ 0xffffffffL; -} diff --git a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/ftdicom.c b/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/ftdicom.c deleted file mode 100644 index 19bacf0d4..000000000 --- a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/ftdicom.c +++ /dev/null @@ -1,257 +0,0 @@ -/* - * ftdicom.c - Low Level USB communication interface - * - * Provides UART and DMA low level communication - * functions for FT2232H in slave fifo mode. - * - * Copyright (C) 2014 florent@enjoy-digital.fr - * - */ - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <stdbool.h> -#include "ftdicom.h" -#include "crc.h" - -/* - * Open / close functions - */ -int ftdicom_open(FTDICom *com) -{ - int err = 0; - err = FTDIDevice_Open(com->dev); - if (err) - return err; - - com->raw_tx_buf = malloc(RAW_BUFFER_SIZE); - com->raw_rx_buf = malloc(RAW_BUFFER_SIZE); - com->uart_rx_buf = malloc(UART_RINGBUFFER_SIZE_RX); - - err = FTDIDevice_SetMode(com->dev, FTDI_INTERFACE_A, FTDI_BITMODE_SYNC_FIFO, 0xFF, 0); - if (err) - return err; - - com->raw_rx_buf_length = 0; - - pthread_t thread; - com->thread = &thread; - pthread_create(com->thread, NULL, ftdicom_read_thread, com); - - return 0; -} - -void ftdicom_close(FTDICom *com) -{ - free(com->raw_tx_buf); - free(com->raw_rx_buf); - free(com->uart_rx_buf); - FTDIDevice_Close(com->dev); - free(com->thread); -} - -/* - * Write (Tx) functions - */ -int ftdicom_write(FTDICom *com, uint8_t tag, uint8_t *data, size_t length, uint8_t with_crc) -{ - unsigned int computed_crc; - - com->raw_tx_buf[0] = 0x5A; - com->raw_tx_buf[1] = 0xA5; - com->raw_tx_buf[2] = 0x5A; - com->raw_tx_buf[3] = 0xA5; - com->raw_tx_buf[4] = tag; - if (with_crc) - length += 4; - com->raw_tx_buf[5] = (length >> 24) & 0xff; - com->raw_tx_buf[6] = (length >> 16) & 0xff; - com->raw_tx_buf[7] = (length >> 8) & 0xff; - com->raw_tx_buf[8] = (length >> 0) & 0xff; - - memcpy(com->raw_tx_buf+9, data, length); - if (with_crc) { - computed_crc = crc32(data, length-4); - com->raw_tx_buf[9+length-1] = (computed_crc >> 24) & 0xff; - com->raw_tx_buf[9+length-2] = (computed_crc >> 16) & 0xff; - com->raw_tx_buf[9+length-3] = (computed_crc >> 8) & 0xff; - com->raw_tx_buf[9+length-4] = (computed_crc >> 0) & 0xff; - } - return FTDIDevice_Write(com->dev, FTDI_INTERFACE_A, com->raw_tx_buf, 9+length, false); -} - -/* - * Read (Rx) common functions - */ - -int ftdicom_present_bytes(uint8_t tag, uint8_t *buffer, int length) -{ - if (length < NEEDED_FOR_SIZE) - return INCOMPLETE; - - if (buffer[0] != 0x5A || - buffer[1] != 0xA5 || - buffer[2] != 0x5A || - buffer[3] != 0xA5 || - buffer[4] != tag) - return UNMATCHED; - - int size = NEEDED_FOR_SIZE; - size += buffer[5] << 24; - size += buffer[6] << 16; - size += buffer[7] << 8; - size += buffer[8]; - - if (length < size) - return INCOMPLETE; - - return size; -} - -int ftdicom_uart_present_bytes(uint8_t *buffer, int length) -{ - return ftdicom_present_bytes(UART_TAG, buffer, length); -} - -int ftdicom_dma_present_bytes(uint8_t *buffer, int length) -{ - return ftdicom_present_bytes(DMA_TAG, buffer, length); -} - -int ftdicom_read_callback(uint8_t *buffer, int length, FTDIProgressInfo *progress, void *userdata) -{ - FTDICom *com = (FTDICom *) userdata; - - // Concatenate buffer & raw_rx_buf - memcpy(com->raw_rx_buf + com->raw_rx_buf_length, buffer, length); - com->raw_rx_buf_length += length; - - int code = 0; - int incomplete = 0; - int i = 0; - - // Search frames in raw_rx_buf - while (i != com->raw_rx_buf_length && !incomplete) - { - code = 0; - - // UART - code = ftdicom_uart_present_bytes(com->raw_rx_buf + i, com->raw_rx_buf_length-i); - if (code == INCOMPLETE) - { - incomplete = 1; - break; - } else if (code) - { - ftdicom_uart_read_callback(com, com->raw_rx_buf + i + NEEDED_FOR_SIZE, code-NEEDED_FOR_SIZE); - i += code-1; - } - - // DMA - code = ftdicom_dma_present_bytes(com->raw_rx_buf + i, com->raw_rx_buf_length-i); - if (code == INCOMPLETE) - { - incomplete = 1; - break; - } else if (code) - { - ftdicom_dma_read_callback(com, com->raw_rx_buf + i + NEEDED_FOR_SIZE, code-NEEDED_FOR_SIZE); - i += code; - } - - // Nothing found, increment index - if (code == UNMATCHED) - i=i+1; - - } - - // Prepare raw_rx_buf for next callback - if (incomplete == 1) - { - com->raw_rx_buf_length = com->raw_rx_buf_length - i; - memcpy(com->raw_rx_buf, com->raw_rx_buf + i, com->raw_rx_buf_length); - } else { - com->raw_rx_buf_length = 0; - } - - return 0; -} - -void *ftdicom_read_thread(void *userdata) -{ - FTDICom *com = (FTDICom *) userdata; - FTDIDevice_ReadStream(com->dev, FTDI_INTERFACE_A, ftdicom_read_callback, com, 8, 16); - return 0; -} - -/* - * UART functions - */ - -int ftdicom_uart_write_buffer(FTDICom *com, uint8_t *data, size_t length) -{ - return ftdicom_write(com, UART_TAG, data, length, 0); -} - -int ftdicom_uart_write(FTDICom *com, uint8_t c) -{ - return ftdicom_write(com, UART_TAG, &c, 1, 0); -} - -void ftdicom_uart_read_callback(FTDICom *com, uint8_t *buffer, int length) -{ - while (length > 0) { - com->uart_rx_buf[com->uart_rx_produce] = buffer[0]; - com->uart_rx_produce = (com->uart_rx_produce + 1) & UART_RINGBUFFER_MASK_RX; - length -=1; - buffer +=1; - } -} - -uint8_t ftdicom_uart_read(FTDICom *com) -{ - uint8_t c; - - while(com->uart_rx_consume == com->uart_rx_produce); - c = com->uart_rx_buf[com->uart_rx_consume]; - com->uart_rx_consume = (com->uart_rx_consume + 1) & UART_RINGBUFFER_MASK_RX; - return c; -} - -int ftdicom_uart_read_nonblock(FTDICom *com) -{ - return (com->uart_rx_consume != com->uart_rx_produce); -} - -/* - * DMA functions - */ -int ftdicom_dma_write(FTDICom *com, uint8_t *data, size_t length) -{ - return ftdicom_write(com, DMA_TAG, data, length, 1); -} - -void ftdicom_dma_read_set_callback(FTDICom *com, dma_read_ext_callback_t callback, void *userdata) -{ - com->dma_read_ext_callback = callback; - com->userdata = userdata; -} - -int ftdicom_dma_read_callback(FTDICom *com, uint8_t *buffer, int length) -{ - unsigned int received_crc; - unsigned int computed_crc; - - received_crc = ((unsigned int)buffer[length-1] << 24) - |((unsigned int)buffer[length-2] << 16) - |((unsigned int)buffer[length-3] << 8) - |((unsigned int)buffer[length-4]); - computed_crc = crc32(buffer, length-4); - if(received_crc != computed_crc) return -1; - - if (com->dma_read_ext_callback != NULL) - return com->dma_read_ext_callback(buffer, length-4, com->userdata); - else - return -1; -} \ No newline at end of file diff --git a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/ftdicom.h b/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/ftdicom.h deleted file mode 100644 index 67ccd45da..000000000 --- a/misoclib/com/liteusb/software/ftdi/ft2232h/libftdicom/ftdicom.h +++ /dev/null @@ -1,104 +0,0 @@ -/* - * ftdicom.c - Low Level USB communication interface - * - * Provides UART and DMA low level communication - * functions for FT2232H in slave fifo mode. - * - * Copyright (C) 2014 florent@enjoy-digital.fr - * - */ - -#ifndef __FTDICOM_H -#define __FTDICOM_H - -#include <stdint.h> -#include <stdbool.h> -#include <pthread.h> - -#include "fastftdi.h" - -/* - * Protocol Constants - */ - -#define UART_TAG 0 -#define DMA_TAG 1 - -#define NEEDED_FOR_SIZE 9 -#define PAYLOAD_OFFSET 10 - -#define INCOMPLETE -1 -#define UNMATCHED 0 - - -/* - * Buffer Constants - * - * Buffer sizes must be a power of 2 so that modulos can be computed - * with logical AND. - */ - -// RAW -#define RAW_BUFFER_SIZE 20*1024*1024 - -// UART -#define UART_RINGBUFFER_SIZE_RX 4096 -#define UART_RINGBUFFER_MASK_RX (UART_RINGBUFFER_SIZE_RX-1) - -// DMA -#define DMA_BUFFER_SIZE_TX 20*1024*1024 -#define DMA_BUFFER_SIZE_RX 20*1024*1024 - - -/* - * Struct - */ -typedef int (*dma_read_ext_callback_t)(uint8_t *buffer, int length, void *userdata); -typedef struct { - FTDIDevice *dev; - - uint8_t *raw_tx_buf; - uint8_t *raw_rx_buf; - unsigned int raw_rx_buf_length; - - char *uart_rx_buf; - volatile unsigned int uart_rx_produce; - volatile unsigned int uart_rx_consume; - - pthread_t *thread; - dma_read_ext_callback_t dma_read_ext_callback; - - void *userdata; -} FTDICom; - -/* - * Public Functions - */ - -int ftdicom_open(FTDICom *com); -void ftdicom_close(FTDICom *com); - -int ftdicom_uart_write_buffer(FTDICom *com, uint8_t *data, size_t length); -int ftdicom_uart_write(FTDICom *com, uint8_t c); -uint8_t ftdicom_uart_read(FTDICom *com); -int ftdicom_uart_read_nonblock(FTDICom *com); - -int ftdicom_dma_write(FTDICom *com, uint8_t *data, size_t length); -void ftdicom_dma_read_set_callback(FTDICom *com, dma_read_ext_callback_t callback, void *userdata); - -/* - * Private Functions - */ -int ftdicom_write(FTDICom *com, uint8_t tag, uint8_t *data, size_t length, uint8_t with_crc); - -int ftdicom_present_bytes(uint8_t tag, uint8_t *buffer, int length); -int ftdicom_uart_present_bytes(uint8_t *buffer, int length); -int ftdicom_dma_present_bytes(uint8_t *buffer, int length); -int ftdicom_read_callback(uint8_t *buffer, int length, FTDIProgressInfo *progress, void *userdata); -void *ftdicom_read_thread(void *userdata); - -void ftdicom_uart_read_callback(FTDICom *com, uint8_t *buffer, int length); -int ftdicom_dma_read_callback(FTDICom *com, uint8_t *buffer, int length); - - -#endif /* __FTDICOM_H */ diff --git a/misoclib/com/liteusb/software/ftdi/linux/Makefile b/misoclib/com/liteusb/software/ftdi/linux/Makefile new file mode 100644 index 000000000..14af27e71 --- /dev/null +++ b/misoclib/com/liteusb/software/ftdi/linux/Makefile @@ -0,0 +1,35 @@ +UNAME := $(shell uname) + +LIBNAME := libftdicom + + +# Load libusb via pkg-config +PACKAGES := libusb-1.0 +CFLAGS += $(shell pkg-config --cflags $(PACKAGES)) +LDFLAGS += $(shell pkg-config --libs $(PACKAGES)) + +# Large file support +CFLAGS += $(shell getconf LFS_CFLAGS) + +CFLAGS += -fPIC + +SO := $(LIBNAME).so +SO_LDFLAGS := $(LDFLAGS) -shared + +# Local headers +CFLAGS += -I../include + +SO_OBJS := ../fastftdi.o + +CFLAGS += -O3 -g --std=c99 + +all: $(SO) + cp libftdicom.so ../libftdicom.so + +$(SO): $(SO_OBJS) + cc -o $@ $^ $(SO_LDFLAGS) + +*.o: *.h Makefile + +clean: + rm -f $(SO) $(OBJS) $(SO_OBJS) diff --git a/misoclib/com/liteusb/software/ftdi/windows/Makefile b/misoclib/com/liteusb/software/ftdi/windows/Makefile new file mode 100644 index 000000000..61e41b496 --- /dev/null +++ b/misoclib/com/liteusb/software/ftdi/windows/Makefile @@ -0,0 +1,12 @@ +CC=gcc +CFLAGS_DLL =-Wall -O0 -g -shared -Wl,--subsystem,windows -DDLL +LIBS= -lusb-1.0 + +all: libftdicom.dll + cp libftdicom.dll ../libftdicom.dll + +libftdicom.dll: ../fastftdi.c + $(CC) -o $@ $(CFLAGS_DLL) $^ $(LIBS) + +clean: + rm -f libftdicom.dll ../libftdicom.dll