# HG changeset patch # User drewp@bigasterisk.com # Date 2023-06-06 00:34:01 # Node ID b42cb1ea1d205585ae1fa5fcc311ad4e65ef8f94 # Parent b61c2369aa08bd0f5da499f6dbe8c5f0e3525635 rm - we don't do a kernel module anymore; just usb api diff --git a/dmx_usb_module/Changelog b/dmx_usb_module/Changelog deleted file mode 100644 --- a/dmx_usb_module/Changelog +++ /dev/null @@ -1,10 +0,0 @@ -08 Aug 2006 Erwin Rol - * Updated for kernels newer than 2.6.16 - -16 Jan 2006 Erwin Rol - * Updated for kernels newer than 2.6.13 - -15 Sep 2004 Erwin Rol - * Added a check to see if the transmit - buffer is empty before doing the break. - diff --git a/dmx_usb_module/Makefile b/dmx_usb_module/Makefile deleted file mode 100644 --- a/dmx_usb_module/Makefile +++ /dev/null @@ -1,28 +0,0 @@ -# -# $Id: Makefile 38 2004-09-11 11:15:09Z erwin $ -# - -ifneq ($(KERNELRELEASE),) - -obj-m := dmx_usb.o - -else - -KDIR := /lib/modules/$(shell uname -r)/build -PWD := $(shell pwd) - -default: - $(MAKE) -C $(KDIR) SUBDIRS=$(PWD) modules - gcc -O2 -pipe -Wall dmx_usb_test.c -o dmx_usb_test - -endif - -clean: - rm -f *.o *.ko - rm -f dmx_usb_test - rm -f dmx_usb.mod.c - rm -f .dmx_usb.* - rm -rf .tmp_versions - rm -f Module.markers modules.order Module.symvers - - diff --git a/dmx_usb_module/Modules.symvers b/dmx_usb_module/Modules.symvers deleted file mode 100644 diff --git a/dmx_usb_module/README b/dmx_usb_module/README deleted file mode 100644 --- a/dmx_usb_module/README +++ /dev/null @@ -1,22 +0,0 @@ -The DMX USB driver is a Linux 2.6 kernel driver for the Enttec -DMX USB dongle ( http://www.enttec.com/dmxusb.php ) - -Building the driver - -Before the driver can be build, the kernel sourcecode needs to be -installed. To build the driver just call make, this should build a -dmx_usb.ko (the kernel module) and a dmx_usb_test(a small test -program). - -Loading the right driver. - -A "small" problem to solve was to make the kernel clear that it should -use my driver for the dongle and not the standard usbserial driver. -Since I don't have any other USBserial devices with the samechip type I -just removed the ftdi_sio.ko module, and changed the /etc/hotplug/usb.distmap -to point to my module. To support both the ftdi_sio.o module and the -dmx_usb.o module the ftdi_sio.o module should be patched and the Product ID -for the FT232BM should be removed from it, this will mean all other -serial-usb devices are still supported just not the one with FT232BM chips, -since it isn't possible to differentiate DMX-USB and normal-serial versions. - diff --git a/dmx_usb_module/dmx.pyx b/dmx_usb_module/dmx.pyx deleted file mode 100644 --- a/dmx_usb_module/dmx.pyx +++ /dev/null @@ -1,28 +0,0 @@ -cdef extern from "fcntl.h": - int open(char *pathname, int flags) - int O_WRONLY - -cdef extern from "unistd.h": - int write(int fd, void *buf, int count) - -cdef extern from "string.h": - char *strncpy(char *dest, char *src, int n) - -cdef extern from "Python.h": - char* PyString_AsString(object string) - -cdef class Dmx: - cdef int fd - def __cinit__(self, port="/dev/dmx0"): - self.fd = open(port, O_WRONLY) - if self.fd < 0: - raise OSError("open failed") - - def write(self, buf): - cdef char *cbuf - cbuf = PyString_AsString(buf) - if cbuf == NULL: - raise ValueError("string buffer conversion failed") - res = write(self.fd, cbuf, 513) - if res < 0: - raise OSError("write failed") diff --git a/dmx_usb_module/dmx_usb.c b/dmx_usb_module/dmx_usb.c deleted file mode 100644 --- a/dmx_usb_module/dmx_usb.c +++ /dev/null @@ -1,832 +0,0 @@ -/* - * DMX USB driver - * - * Copyright (C) 2004,2006,2010 Erwin Rol (erwin@erwinrol.com) - * - * This driver is based on the usb-skeleton driver; - * - * Copyright (C) 2001-2003 Greg Kroah-Hartman (greg@kroah.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, version 2. - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26) -#include -#else -#include -#endif - -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,36) ) -#define init_MUTEX(LOCKNAME) sema_init(LOCKNAME,1); -#endif - -#include "dmx_usb.h" - -#ifdef CONFIG_USB_DEBUG - static int debug = 1; -#else - static int debug; -#endif - -/* Use our own dbg macro */ -#undef dbg -#define dbg(format, arg...) do { if (debug) printk(KERN_DEBUG __FILE__ ": " format "\n" , ## arg); } while (0) - -#ifndef info -#define info(format, arg...) do { printk(KERN_INFO __FILE__ ": " format "\n" , ## arg); } while (0) -#endif - -#ifndef err -#define err(format, arg...) do { printk(KERN_INFO __FILE__ ": (error) " format "\n" , ## arg); } while (0) -#endif - -/* Version Information */ -#define DRIVER_VERSION "v0.1.20111215" -#define DRIVER_AUTHOR "Erwin Rol, erwin@erwinrol.com" -#define DRIVER_DESC "DMX USB Driver" - -/* Module parameters */ -#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) ) -MODULE_PARM(debug, "i"); -MODULE_PARM_DESC(debug, "Debug enabled or not"); -#else -//module_param(debug, bool, S_IRUGO | S_IWUSR); -//MODULE_PARM_DESC(debug, "Debug enabled or not"); -#endif - -static struct usb_device_id dmx_usb_table [] = { - { USB_DEVICE_VER(FTDI_VID, FTDI_8U232AM_PID, 0x400, 0xffff) }, - { USB_DEVICE_VER(FTDI_VID, FTDI_8U232AM_ALT_PID, 0x400, 0xffff) }, - { } /* Terminating entry */ -}; - -MODULE_DEVICE_TABLE (usb, dmx_usb_table); - -/* Get a minor range for your devices from the usb maintainer */ -#define DMX_USB_MINOR_BASE 192 - -/* Structure to hold all of our device specific stuff */ -struct dmx_usb_device { - struct usb_device * udev; /* save off the usb device pointer */ - struct usb_interface * interface; /* the interface for this device */ - unsigned char minor; /* the starting minor number for this device */ - unsigned char num_ports; /* the number of ports this device has */ - char num_interrupt_in; /* number of interrupt in endpoints we have */ - char num_bulk_in; /* number of bulk in endpoints we have */ - char num_bulk_out; /* number of bulk out endpoints we have */ - - unsigned char * bulk_in_buffer; /* the buffer to receive data */ - size_t bulk_in_size; /* the size of the receive buffer */ - __u8 bulk_in_endpointAddr; /* the address of the bulk in endpoint */ - - unsigned char * bulk_out_buffer; /* the buffer to send data */ - size_t bulk_out_size; /* the size of the send buffer */ - struct urb * write_urb; /* the urb used to send data */ - __u8 bulk_out_endpointAddr; /* the address of the bulk out endpoint */ - atomic_t write_busy; /* true iff write urb is busy */ - struct completion write_finished; /* wait for the write to finish */ - - int open; /* if the port is open or not */ - int present; /* if the device is not disconnected */ - struct semaphore sem; /* locks this structure */ -}; - - -/* prevent races between open() and disconnect() */ -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37) - static DECLARE_MUTEX(disconnect_sem); -#else - static DEFINE_SEMAPHORE(disconnect_sem); -#endif - -/* local function prototypes */ -//static ssize_t dmx_usb_read (struct file *file, char *buffer, size_t count, loff_t *ppos); -static ssize_t dmx_usb_write (struct file *file, const char *buffer, size_t count, loff_t *ppos); -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37) ) -static int dmx_usb_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg); -#else -static long dmx_usb_ioctl (struct file *file, unsigned int cmd, unsigned long arg); -#endif -static int dmx_usb_open (struct inode *inode, struct file *file); -static int dmx_usb_release (struct inode *inode, struct file *file); - -static int dmx_usb_probe (struct usb_interface *interface, const struct usb_device_id *id); -static void dmx_usb_disconnect (struct usb_interface *interface); - -static void dmx_usb_write_bulk_callback (struct urb *urb); - -static struct file_operations dmx_usb_fops = { - /* - * The owner field is part of the module-locking - * mechanism. The idea is that the kernel knows - * which module to increment the use-counter of - * BEFORE it calls the device's open() function. - * This also means that the kernel can decrement - * the use-counter again before calling release() - * or should the open() function fail. - */ - .owner = THIS_MODULE, - - /* .read = dmx_usb_read, */ - .write = dmx_usb_write, -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37) ) - .ioctl = dmx_usb_ioctl, -#else - .unlocked_ioctl = dmx_usb_ioctl, -#endif - .open = dmx_usb_open, - .release = dmx_usb_release, -}; - -/* - * usb class driver info in order to get a minor number from the usb core, - * and to have the device registered with devfs and the driver core - */ -static struct usb_class_driver dmx_usb_class = { - .name = "usb/dmx%d", - .fops = &dmx_usb_fops, - .minor_base = DMX_USB_MINOR_BASE, -}; - -/* usb specific object needed to register this driver with the usb subsystem */ -static struct usb_driver dmx_usb_driver = { -#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16) ) - .owner = THIS_MODULE, -#endif - .name = "dmx_usb", - .probe = dmx_usb_probe, - .disconnect = dmx_usb_disconnect, - .id_table = dmx_usb_table, -}; - -#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34) ) -static inline void *usb_alloc_coherent(struct usb_device *dev, size_t size, - gfp_t mem_flags, dma_addr_t *dma) -{ - return usb_buffer_alloc(dev, size, mem_flags, dma); -} - -static inline void usb_free_coherent(struct usb_device *dev, size_t size, - void *addr, dma_addr_t dma) -{ - return usb_buffer_free(dev, size, addr, dma); -} -#endif - -/** - */ -static inline void dmx_usb_debug_data (const char *function, int size, const unsigned char *data) -{ - int i; - - if (!debug) - return; - - printk (KERN_DEBUG __FILE__": %s - length = %d, data = ", - function, size); - for (i = 0; i < size; ++i) { - printk ("%.2x ", data[i]); - } - printk ("\n"); -} - -static __u32 dmx_usb_baud_to_divisor(int baud) -{ - static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 }; - __u32 divisor; - int divisor3 = 48000000 / 2 / baud; // divisor shifted 3 bits to the left - divisor = divisor3 >> 3; - divisor |= (__u32)divfrac[divisor3 & 0x7] << 14; - /* Deal with special cases for highest baud rates. */ - if (divisor == 1) divisor = 0; else // 1.0 - if (divisor == 0x4001) divisor = 1; // 1.5 - return divisor; -} - -static int dmx_usb_set_speed(struct dmx_usb_device* dev) -{ - char *buf; - __u16 urb_value; - __u16 urb_index; - __u32 urb_index_value; - int rv; - - buf = kmalloc(1, GFP_NOIO); - if (!buf) - return -ENOMEM; - - urb_index_value = dmx_usb_baud_to_divisor(250000); - urb_value = (__u16)urb_index_value; - urb_index = (__u16)(urb_index_value >> 16); - - rv = usb_control_msg(dev->udev, - usb_sndctrlpipe(dev->udev, 0), - FTDI_SIO_SET_BAUDRATE_REQUEST, - FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE, - urb_value, urb_index, - buf, 0, HZ*10); - - kfree(buf); - return rv; -} - -static int dmx_usb_setup(struct dmx_usb_device* dev) -{ - __u16 urb_value; - char buf[1]; - - urb_value = FTDI_SIO_SET_DATA_STOP_BITS_2 | FTDI_SIO_SET_DATA_PARITY_NONE; - urb_value |= 8; // number of data bits - - if (usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), - FTDI_SIO_SET_DATA_REQUEST, - FTDI_SIO_SET_DATA_REQUEST_TYPE, - urb_value , 0, - buf, 0, HZ*10) < 0) { - err("%s FAILED to set databits/stopbits/parity", __FUNCTION__); - } - - if (usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), - FTDI_SIO_SET_FLOW_CTRL_REQUEST, - FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, - 0, 0, - buf, 0, HZ*10) < 0) { - err("%s error from disable flowcontrol urb", __FUNCTION__); - } - - dmx_usb_set_speed(dev); - - return 0; -} - -static void dmx_usb_set_break(struct dmx_usb_device* dev, int break_state) -{ - __u16 urb_value = FTDI_SIO_SET_DATA_STOP_BITS_2 | FTDI_SIO_SET_DATA_PARITY_NONE | 8; - - char buf[2]; - - if (break_state) { - urb_value |= FTDI_SIO_SET_BREAK; - } - - if (usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), - FTDI_SIO_SET_DATA_REQUEST, - FTDI_SIO_SET_DATA_REQUEST_TYPE, - urb_value , 0, - buf, 2, HZ*10) < 0) { - err("%s FAILED to enable/disable break state (state was %d)", __FUNCTION__,break_state); - } - - - dbg("%s break state is %d - urb is %d", __FUNCTION__,break_state, urb_value); -} - -/** - */ -static inline void dmx_usb_delete (struct dmx_usb_device *dev) -{ - kfree (dev->bulk_in_buffer); - usb_free_coherent (dev->udev, dev->bulk_out_size, - dev->bulk_out_buffer, - dev->write_urb->transfer_dma); - usb_free_urb (dev->write_urb); - kfree (dev); -} - - -/** - */ -static int dmx_usb_open (struct inode *inode, struct file *file) -{ - struct dmx_usb_device *dev = NULL; - struct usb_interface *interface; - int subminor; - int retval = 0; - - dbg("%s", __FUNCTION__); - - subminor = iminor(inode); - - /* prevent disconnects */ - down (&disconnect_sem); - - interface = usb_find_interface (&dmx_usb_driver, subminor); - if (!interface) { - err ("%s - error, can't find device for minor %d", - __FUNCTION__, subminor); - retval = -ENODEV; - goto exit_no_device; - } - - dev = usb_get_intfdata(interface); - if (!dev) { - retval = -ENODEV; - goto exit_no_device; - } - - /* lock this device */ - down (&dev->sem); - - /* increment our usage count for the driver */ - ++dev->open; - - /* save our object in the file's private structure */ - file->private_data = dev; - - /* unlock this device */ - up (&dev->sem); - -exit_no_device: - up (&disconnect_sem); - return retval; -} - - -/** - */ -static int dmx_usb_release (struct inode *inode, struct file *file) -{ - struct dmx_usb_device *dev; - int retval = 0; - - dev = (struct dmx_usb_device *)file->private_data; - if (dev == NULL) { - dbg ("%s - object is NULL", __FUNCTION__); - return -ENODEV; - } - - dbg("%s - minor %d", __FUNCTION__, dev->minor); - - /* lock our device */ - down (&dev->sem); - - if (dev->open <= 0) { - dbg ("%s - device not opened", __FUNCTION__); - retval = -ENODEV; - goto exit_not_opened; - } - - /* wait for any bulk writes that might be going on to finish up */ - if (atomic_read (&dev->write_busy)) - wait_for_completion (&dev->write_finished); - - --dev->open; - - if (!dev->present && !dev->open) { - /* the device was unplugged before the file was released */ - up (&dev->sem); - dmx_usb_delete (dev); - return 0; - } - -exit_not_opened: - up (&dev->sem); - - return retval; -} - -#if 0 - -Read is not yet supported - -/** - */ -static ssize_t dmx_usb_read (struct file *file, char *buffer, size_t count, loff_t *ppos) -{ - struct dmx_usb_device *dev; - int retval = 0; - int bytes_read; - - dev = (struct dmx_usb_device *)file->private_data; - - dbg("%s - minor %d, count = %Zd", __FUNCTION__, dev->minor, count); - - /* lock this object */ - down (&dev->sem); - - /* verify that the device wasn't unplugged */ - if (!dev->present) { - up (&dev->sem); - return -ENODEV; - } - - /* do a blocking bulk read to get data from the device */ - retval = usb_bulk_msg (dev->udev, - usb_rcvbulkpipe (dev->udev, - dev->bulk_in_endpointAddr), - dev->bulk_in_buffer, - min (dev->bulk_in_size, count), - &bytes_read, HZ*10); - - /* if the read was successful, copy the data to userspace */ - if (!retval) { - if (copy_to_user (buffer, dev->bulk_in_buffer+2, bytes_read-2)) - retval = -EFAULT; - else - retval = bytes_read; - } - - /* unlock the device */ - up (&dev->sem); - return retval; -} - -#endif - -static __u16 dmx_usb_get_status(struct dmx_usb_device* dev) -{ - int retval = 0; - int count = 0; - __u16 buf; - - retval = usb_bulk_msg (dev->udev, - usb_rcvbulkpipe (dev->udev, dev->bulk_in_endpointAddr), - &buf, 2, &count, HZ*10); - - if (retval) - return 0; - - return buf; -} - - - -/** - * dmx_usb_write - * - * A device driver has to decide how to report I/O errors back to the - * user. The safest course is to wait for the transfer to finish before - * returning so that any errors will be reported reliably. dmx_usb_read() - * works like this. But waiting for I/O is slow, so many drivers only - * check for errors during I/O initiation and do not report problems - * that occur during the actual transfer. That's what we will do here. - * - * A driver concerned with maximum I/O throughput would use double- - * buffering: Two urbs would be devoted to write transfers, so that - * one urb could always be active while the other was waiting for the - * user to send more data. - */ -static ssize_t dmx_usb_write (struct file *file, const char *buffer, size_t count, loff_t *ppos) -{ - struct dmx_usb_device *dev; - ssize_t bytes_written = 0; - int retval = 0; - __u16 stat; - - dev = (struct dmx_usb_device *)file->private_data; - - dbg("%s - minor %d, count = %Zd", __FUNCTION__, dev->minor, count); - - /* lock this object */ - down (&dev->sem); - - /* verify that the device wasn't unplugged */ - if (!dev->present) { - retval = -ENODEV; - goto exit; - } - - /* verify that we actually have some data to write */ - if (count == 0) { - dbg("%s - write request of 0 bytes", __FUNCTION__); - goto exit; - } - - /* wait for a previous write to finish up; we don't use a timeout - * and so a nonresponsive device can delay us indefinitely. - */ - if (atomic_read (&dev->write_busy)) - wait_for_completion (&dev->write_finished); - - /* we can only write as much as our buffer will hold */ - bytes_written = min (dev->bulk_out_size, count); - - /* copy the data from userspace into our transfer buffer; - * this is the only copy required. - */ - if (copy_from_user(dev->write_urb->transfer_buffer, buffer, - bytes_written)) { - retval = -EFAULT; - goto exit; - } - - dmx_usb_debug_data (__FUNCTION__, bytes_written, - dev->write_urb->transfer_buffer); - - /* this urb was already set up, except for this write size */ - dev->write_urb->transfer_buffer_length = bytes_written; - - /* Poll the device to see if the transmit buffer is empty */ - do { - stat = dmx_usb_get_status(dev); - if (stat == 0) { - retval = -EFAULT; - goto exit; - } - } while ( (stat & ((FTDI_RS_TEMT) << 8) ) == 0 ) ; - - /* the transmit buffer is empty, now toggle the break */ - dmx_usb_set_break(dev, 1); - dmx_usb_set_break(dev, 0); - - /* send the data out the bulk port */ - /* a character device write uses GFP_KERNEL, - unless a spinlock is held */ - init_completion (&dev->write_finished); - atomic_set (&dev->write_busy, 1); - retval = usb_submit_urb(dev->write_urb, GFP_KERNEL); - if (retval) { - atomic_set (&dev->write_busy, 0); - err("%s - failed submitting write urb, error %d", - __FUNCTION__, retval); - } else { - retval = bytes_written; - } - -exit: - /* unlock the device */ - up (&dev->sem); - - return retval; -} - - -/** - */ -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37) ) -static int dmx_usb_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -#else -static long dmx_usb_ioctl (struct file *file, unsigned int cmd, unsigned long arg) -#endif -{ - struct dmx_usb_device *dev; - - dev = (struct dmx_usb_device *)file->private_data; - - /* lock this object */ - down (&dev->sem); - - /* verify that the device wasn't unplugged */ - if (!dev->present) { - up (&dev->sem); - return -ENODEV; - } - - dbg("%s - minor %d, cmd 0x%.4x, arg %ld", __FUNCTION__, - dev->minor, cmd, arg); - - /* fill in your device specific stuff here */ - - /* unlock the device */ - up (&dev->sem); - - /* return that we did not understand this ioctl call */ - return -ENOTTY; -} - - -/** - */ -static void dmx_usb_write_bulk_callback (struct urb *urb) -{ - struct dmx_usb_device *dev = (struct dmx_usb_device *)urb->context; - - dbg("%s - minor %d", __FUNCTION__, dev->minor); - - /* sync/async unlink faults aren't errors */ - if (urb->status && !(urb->status == -ENOENT || - urb->status == -ECONNRESET)) { - dbg("%s - nonzero write bulk status received: %d", - __FUNCTION__, urb->status); - } - - /* notify anyone waiting that the write has finished */ - atomic_set (&dev->write_busy, 0); - complete (&dev->write_finished); -} - -/** - * - * Called by the usb core when a new device is connected that it thinks - * this driver might be interested in. - */ -static int dmx_usb_probe(struct usb_interface *interface, const struct usb_device_id *id) -{ - struct usb_device *udev = interface_to_usbdev(interface); - struct dmx_usb_device *dev = NULL; - struct usb_host_interface *iface_desc; - struct usb_endpoint_descriptor *endpoint; - size_t buffer_size; - int i; - int retval = -ENOMEM; - - /* See if the device offered us matches what we can accept */ - if ((le16_to_cpu(udev->descriptor.idVendor) != FTDI_VID) || - (le16_to_cpu(udev->descriptor.idProduct) != FTDI_8U232AM_PID)) { - return -ENODEV; - } - - /* allocate memory for our device state and initialize it */ - dev = kmalloc (sizeof(struct dmx_usb_device), GFP_KERNEL); - if (dev == NULL) { - err ("Out of memory"); - return -ENOMEM; - } - memset (dev, 0x00, sizeof (*dev)); - - init_MUTEX (&dev->sem); - dev->udev = udev; - dev->interface = interface; - - /* set up the endpoint information */ - /* check out the endpoints */ - /* use only the first bulk-in and bulk-out endpoints */ - iface_desc = &interface->altsetting[0]; - for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { - endpoint = &iface_desc->endpoint[i].desc; - - if (!dev->bulk_in_endpointAddr && - (endpoint->bEndpointAddress & USB_DIR_IN) && - ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - == USB_ENDPOINT_XFER_BULK)) { - /* we found a bulk in endpoint */ - buffer_size = endpoint->wMaxPacketSize; - dev->bulk_in_size = buffer_size; - dev->bulk_in_endpointAddr = endpoint->bEndpointAddress; - dev->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL); - if (!dev->bulk_in_buffer) { - err("Couldn't allocate bulk_in_buffer"); - goto error; - } - } - - if (!dev->bulk_out_endpointAddr && - !(endpoint->bEndpointAddress & USB_DIR_IN) && - ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - == USB_ENDPOINT_XFER_BULK)) { - /* we found a bulk out endpoint */ - /* a probe() may sleep and has no restrictions on memory allocations */ - dev->write_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!dev->write_urb) { - err("No free urbs available"); - goto error; - } - dev->bulk_out_endpointAddr = endpoint->bEndpointAddress; - - /* on some platforms using this kind of buffer alloc - * call eliminates a dma "bounce buffer". - * - * NOTE: you'd normally want i/o buffers that hold - * more than one packet, so that i/o delays between - * packets don't hurt throughput. - */ - buffer_size = endpoint->wMaxPacketSize; - dev->bulk_out_size = 513; - dev->write_urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; - dev->bulk_out_buffer = usb_alloc_coherent (udev, - buffer_size, GFP_KERNEL, - &dev->write_urb->transfer_dma); - if (!dev->bulk_out_buffer) { - err("Couldn't allocate bulk_out_buffer"); - goto error; - } - usb_fill_bulk_urb(dev->write_urb, udev, - usb_sndbulkpipe(udev, - endpoint->bEndpointAddress), - dev->bulk_out_buffer, buffer_size, - dmx_usb_write_bulk_callback, dev); - } - } - if (!(dev->bulk_in_endpointAddr && dev->bulk_out_endpointAddr)) { - err("Couldn't find both bulk-in and bulk-out endpoints"); - goto error; - } - - dmx_usb_setup(dev); - - /* allow device read, write and ioctl */ - dev->present = 1; - - /* we can register the device now, as it is ready */ - usb_set_intfdata (interface, dev); - retval = usb_register_dev (interface, &dmx_usb_class); - if (retval) { - /* something prevented us from registering this driver */ - err ("Not able to get a minor for this device."); - usb_set_intfdata (interface, NULL); - goto error; - } - - dev->minor = interface->minor; - - /* let the user know what node this device is now attached to */ - info ("DMX USB device now attached to dmx%d", dev->minor); - return 0; - -error: - dmx_usb_delete (dev); - return retval; -} - - -/** - * - * Called by the usb core when the device is removed from the system. - * - * This routine guarantees that the driver will not submit any more urbs - * by clearing dev->udev. It is also supposed to terminate any currently - * active urbs. Unfortunately, usb_bulk_msg(), used in dmx_usb_read(), does - * not provide any way to do this. But at least we can cancel an active - * write. - */ -static void dmx_usb_disconnect(struct usb_interface *interface) -{ - struct dmx_usb_device *dev; - int minor; - - /* prevent races with open() */ - down (&disconnect_sem); - - dev = usb_get_intfdata (interface); - usb_set_intfdata (interface, NULL); - - down (&dev->sem); - - minor = dev->minor; - - /* give back our minor */ - usb_deregister_dev (interface, &dmx_usb_class); - - /* terminate an ongoing write */ - if (atomic_read (&dev->write_busy)) { - usb_unlink_urb (dev->write_urb); - wait_for_completion (&dev->write_finished); - } - - /* prevent device read, write and ioctl */ - dev->present = 0; - - up (&dev->sem); - - /* if the device is opened, dmx_usb_release will clean this up */ - if (!dev->open) - dmx_usb_delete (dev); - - up (&disconnect_sem); - - info("DMX USB #%d now disconnected", minor); -} - - - -/** - * dmx_usb_init - */ -static int __init dmx_usb_init(void) -{ - int result; - - /* register this driver with the USB subsystem */ - result = usb_register(&dmx_usb_driver); - if (result) { - err("usb_register failed. Error number %d", - result); - return result; - } - - info(DRIVER_DESC " " DRIVER_VERSION); - return 0; -} - - -/** - * dmx_usb_exit - */ -static void __exit dmx_usb_exit(void) -{ - /* deregister this driver with the USB subsystem */ - usb_deregister(&dmx_usb_driver); -} - - -module_init (dmx_usb_init); -module_exit (dmx_usb_exit); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); - diff --git a/dmx_usb_module/dmx_usb.h b/dmx_usb_module/dmx_usb.h deleted file mode 100644 --- a/dmx_usb_module/dmx_usb.h +++ /dev/null @@ -1,663 +0,0 @@ -/* - * Definitions for the FTDI USB Single Port Serial Converter - - * known as FTDI_SIO (Serial Input/Output application of the chipset) - * - * The example I have is known as the USC-1000 which is available from - * http://www.dse.co.nz - cat no XH4214 It looks similar to this: - * http://www.dansdata.com/usbser.htm but I can't be sure There are other - * USC-1000s which don't look like my device though so beware! - * - * The device is based on the FTDI FT8U100AX chip. It has a DB25 on one side, - * USB on the other. - * - * Thanx to FTDI (http://www.ftdi.co.uk) for so kindly providing details - * of the protocol required to talk to the device and ongoing assistence - * during development. - * - * Bill Ryder - bryder@sgi.com formerly of Silicon Graphics, Inc.- wrote the - * FTDI_SIO implementation. - * - * Philipp Gühring - pg@futureware.at - added the Device ID of the USB relais - * from Rudolf Gugler - * - * $Id: dmx_usb.h 40 2004-09-11 11:16:39Z erwin $ - */ - -#define FTDI_VID 0x0403 /* Vendor Id */ -#define FTDI_SIO_PID 0x8372 /* Product Id SIO application of 8U100AX */ -#define FTDI_8U232AM_PID 0x6001 /* Similar device to SIO above */ -#define FTDI_8U232AM_ALT_PID 0x6006 /* FTDI's alternate PID for above */ -#define FTDI_RELAIS_PID 0xFA10 /* Relais device from Rudolf Gugler */ -#define FTDI_NF_RIC_VID 0x0DCD /* Vendor Id */ -#define FTDI_NF_RIC_PID 0x0001 /* Product Id */ - -/* www.irtrans.de device */ -#define FTDI_IRTRANS_PID 0xFC60 /* Product Id */ - -/* www.crystalfontz.com devices - thanx for providing free devices for evaluation ! */ -/* they use the ftdi chipset for the USB interface and the vendor id is the same */ -#define FTDI_XF_632_PID 0xFC08 /* 632: 16x2 Character Display */ -#define FTDI_XF_634_PID 0xFC09 /* 634: 20x4 Character Display */ -#define FTDI_XF_547_PID 0xFC0A /* 547: Two line Display */ -#define FTDI_XF_633_PID 0xFC0B /* 633: 16x2 Character Display with Keys */ -#define FTDI_XF_631_PID 0xFC0C /* 631: 20x2 Character Display */ -#define FTDI_XF_635_PID 0xFC0D /* 635: 20x4 Character Display */ -#define FTDI_XF_640_PID 0xFC0E /* 640: Two line Display */ -#define FTDI_XF_642_PID 0xFC0F /* 642: Two line Display */ - -/* Video Networks Limited / Homechoice in the UK use an ftdi-based device for their 1Mb */ -/* broadband internet service. The following PID is exhibited by the usb device supplied */ -/* (the VID is the standard ftdi vid (FTDI_VID) */ -#define FTDI_VNHCPCUSB_D_PID 0xfe38 /* Product Id */ - -/* - * The following are the values for the Matrix Orbital LCD displays, - * which are the FT232BM ( similar to the 8U232AM ) - */ -#define FTDI_MTXORB_0_PID 0xFA00 /* Matrix Orbital Product Id */ -#define FTDI_MTXORB_1_PID 0xFA01 /* Matrix Orbital Product Id */ -#define FTDI_MTXORB_2_PID 0xFA02 /* Matrix Orbital Product Id */ -#define FTDI_MTXORB_3_PID 0xFA03 /* Matrix Orbital Product Id */ -#define FTDI_MTXORB_4_PID 0xFA04 /* Matrix Orbital Product Id */ -#define FTDI_MTXORB_5_PID 0xFA05 /* Matrix Orbital Product Id */ -#define FTDI_MTXORB_6_PID 0xFA06 /* Matrix Orbital Product Id */ - -/* - * The following are the values for the Perle Systems - * UltraPort USB serial converters - */ -#define FTDI_PERLE_ULTRAPORT_PID 0xF0C0 /* Perle UltraPort Product Id */ - -/* - * The following are the values for the Sealevel SeaLINK+ adapters. - * (Original list sent by Tuan Hoang. Ian Abbott renamed the macros and - * removed some PIDs that don't seem to match any existing products.) - */ -#define SEALEVEL_VID 0x0c52 /* Sealevel Vendor ID */ -#define SEALEVEL_2101_PID 0x2101 /* SeaLINK+232 (2101/2105) */ -#define SEALEVEL_2102_PID 0x2102 /* SeaLINK+485 (2102) */ -#define SEALEVEL_2103_PID 0x2103 /* SeaLINK+232I (2103) */ -#define SEALEVEL_2104_PID 0x2104 /* SeaLINK+485I (2104) */ -#define SEALEVEL_2201_1_PID 0x2211 /* SeaPORT+2/232 (2201) Port 1 */ -#define SEALEVEL_2201_2_PID 0x2221 /* SeaPORT+2/232 (2201) Port 2 */ -#define SEALEVEL_2202_1_PID 0x2212 /* SeaPORT+2/485 (2202) Port 1 */ -#define SEALEVEL_2202_2_PID 0x2222 /* SeaPORT+2/485 (2202) Port 2 */ -#define SEALEVEL_2203_1_PID 0x2213 /* SeaPORT+2 (2203) Port 1 */ -#define SEALEVEL_2203_2_PID 0x2223 /* SeaPORT+2 (2203) Port 2 */ -#define SEALEVEL_2401_1_PID 0x2411 /* SeaPORT+4/232 (2401) Port 1 */ -#define SEALEVEL_2401_2_PID 0x2421 /* SeaPORT+4/232 (2401) Port 2 */ -#define SEALEVEL_2401_3_PID 0x2431 /* SeaPORT+4/232 (2401) Port 3 */ -#define SEALEVEL_2401_4_PID 0x2441 /* SeaPORT+4/232 (2401) Port 4 */ -#define SEALEVEL_2402_1_PID 0x2412 /* SeaPORT+4/485 (2402) Port 1 */ -#define SEALEVEL_2402_2_PID 0x2422 /* SeaPORT+4/485 (2402) Port 2 */ -#define SEALEVEL_2402_3_PID 0x2432 /* SeaPORT+4/485 (2402) Port 3 */ -#define SEALEVEL_2402_4_PID 0x2442 /* SeaPORT+4/485 (2402) Port 4 */ -#define SEALEVEL_2403_1_PID 0x2413 /* SeaPORT+4 (2403) Port 1 */ -#define SEALEVEL_2403_2_PID 0x2423 /* SeaPORT+4 (2403) Port 2 */ -#define SEALEVEL_2403_3_PID 0x2433 /* SeaPORT+4 (2403) Port 3 */ -#define SEALEVEL_2403_4_PID 0x2443 /* SeaPORT+4 (2403) Port 4 */ -#define SEALEVEL_2801_1_PID 0X2811 /* SeaLINK+8/232 (2801) Port 1 */ -#define SEALEVEL_2801_2_PID 0X2821 /* SeaLINK+8/232 (2801) Port 2 */ -#define SEALEVEL_2801_3_PID 0X2831 /* SeaLINK+8/232 (2801) Port 3 */ -#define SEALEVEL_2801_4_PID 0X2841 /* SeaLINK+8/232 (2801) Port 4 */ -#define SEALEVEL_2801_5_PID 0X2851 /* SeaLINK+8/232 (2801) Port 5 */ -#define SEALEVEL_2801_6_PID 0X2861 /* SeaLINK+8/232 (2801) Port 6 */ -#define SEALEVEL_2801_7_PID 0X2871 /* SeaLINK+8/232 (2801) Port 7 */ -#define SEALEVEL_2801_8_PID 0X2881 /* SeaLINK+8/232 (2801) Port 8 */ -#define SEALEVEL_2802_1_PID 0X2812 /* SeaLINK+8/485 (2802) Port 1 */ -#define SEALEVEL_2802_2_PID 0X2822 /* SeaLINK+8/485 (2802) Port 2 */ -#define SEALEVEL_2802_3_PID 0X2832 /* SeaLINK+8/485 (2802) Port 3 */ -#define SEALEVEL_2802_4_PID 0X2842 /* SeaLINK+8/485 (2802) Port 4 */ -#define SEALEVEL_2802_5_PID 0X2852 /* SeaLINK+8/485 (2802) Port 5 */ -#define SEALEVEL_2802_6_PID 0X2862 /* SeaLINK+8/485 (2802) Port 6 */ -#define SEALEVEL_2802_7_PID 0X2872 /* SeaLINK+8/485 (2802) Port 7 */ -#define SEALEVEL_2802_8_PID 0X2882 /* SeaLINK+8/485 (2802) Port 8 */ -#define SEALEVEL_2803_1_PID 0X2813 /* SeaLINK+8 (2803) Port 1 */ -#define SEALEVEL_2803_2_PID 0X2823 /* SeaLINK+8 (2803) Port 2 */ -#define SEALEVEL_2803_3_PID 0X2833 /* SeaLINK+8 (2803) Port 3 */ -#define SEALEVEL_2803_4_PID 0X2843 /* SeaLINK+8 (2803) Port 4 */ -#define SEALEVEL_2803_5_PID 0X2853 /* SeaLINK+8 (2803) Port 5 */ -#define SEALEVEL_2803_6_PID 0X2863 /* SeaLINK+8 (2803) Port 6 */ -#define SEALEVEL_2803_7_PID 0X2873 /* SeaLINK+8 (2803) Port 7 */ -#define SEALEVEL_2803_8_PID 0X2883 /* SeaLINK+8 (2803) Port 8 */ - -/* - * DSS-20 Sync Station for Sony Ericsson P800 - */ - -#define FTDI_DSS20_PID 0xFC82 - -/* - * Home Electronics (www.home-electro.com) USB gadgets - */ -#define FTDI_HE_TIRA1_PID 0xFA78 /* Tira-1 IR tranceiver */ - -/* USB-UIRT - An infrared receiver and transmitter using the 8U232AM chip */ -/* http://home.earthlink.net/~jrhees/USBUIRT/index.htm */ -#define FTDI_USB_UIRT_PID 0xF850 /* Product Id */ - -/* ELV USB Module UO100 (PID sent by Stefan Frings) */ -#define FTDI_ELV_UO100_PID 0xFB58 /* Product Id */ - -/* - * Definitions for ID TECH (www.idt-net.com) devices - */ -#define IDTECH_VID 0x0ACD /* ID TECH Vendor ID */ -#define IDTECH_IDT1221U_PID 0x0300 /* IDT1221U USB to RS-232 adapter */ - -/* - * Definitions for Omnidirectional Control Technology, Inc. devices - */ -#define OCT_VID 0x0B39 /* OCT vendor ID */ -/* Note: OCT US101 is also rebadged as Dick Smith Electronics (NZ) XH6381 */ -#define OCT_US101_PID 0x0421 /* OCT US101 USB to RS-232 */ - -/* an infrared receiver for user access control with IR tags */ -#define FTDI_PIEGROUP_PID 0xF208 /* Product Id */ - -/* - * Protego product ids - */ -#define PROTEGO_SPECIAL_1 0xFC70 /* special/unknown device */ -#define PROTEGO_R2X0 0xFC71 /* R200-USB TRNG unit (R210, R220, and R230) */ -#define PROTEGO_SPECIAL_3 0xFC72 /* special/unknown device */ -#define PROTEGO_SPECIAL_4 0xFC73 /* special/unknown device */ - -/* - * Gude Analog- und Digitalsysteme GmbH - */ -#define FTDI_GUDEADS_E808_PID 0xE808 -#define FTDI_GUDEADS_E809_PID 0xE809 -#define FTDI_GUDEADS_E80A_PID 0xE80A -#define FTDI_GUDEADS_E80B_PID 0xE80B -#define FTDI_GUDEADS_E80C_PID 0xE80C -#define FTDI_GUDEADS_E80D_PID 0xE80D -#define FTDI_GUDEADS_E80E_PID 0xE80E -#define FTDI_GUDEADS_E80F_PID 0xE80F -#define FTDI_GUDEADS_E888_PID 0xE888 /* Expert ISDN Control USB */ -#define FTDI_GUDEADS_E889_PID 0xE889 /* USB RS-232 OptoBridge */ -#define FTDI_GUDEADS_E88A_PID 0xE88A -#define FTDI_GUDEADS_E88B_PID 0xE88B -#define FTDI_GUDEADS_E88C_PID 0xE88C -#define FTDI_GUDEADS_E88D_PID 0xE88D -#define FTDI_GUDEADS_E88E_PID 0xE88E -#define FTDI_GUDEADS_E88F_PID 0xE88F - -/* - * Linx Technologies product ids - */ -#define LINX_SDMUSBQSS_PID 0xF448 /* Linx SDM-USB-QS-S */ -#define LINX_MASTERDEVEL2_PID 0xF449 /* Linx Master Development 2.0 */ -#define LINX_FUTURE_0_PID 0xF44A /* Linx future device */ -#define LINX_FUTURE_1_PID 0xF44B /* Linx future device */ -#define LINX_FUTURE_2_PID 0xF44C /* Linx future device */ -#define FTDI_GUDEADS_889_PID 0xe889 /* USB RS323 OptoBridge */ -/* CCS Inc. ICDU/ICDU40 product ID - the FT232BM is used in an in-circuit-debugger */ -/* unit for PIC16's/PIC18's */ -#define FTDI_CCSICDU20_0_PID 0xF9D0 -#define FTDI_CCSICDU40_1_PID 0xF9D1 - -/* Inside Accesso contactless reader (http://www.insidefr.com) */ -#define INSIDE_ACCESSO 0xFAD0 - -/* Commands */ -#define FTDI_SIO_RESET 0 /* Reset the port */ -#define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */ -#define FTDI_SIO_SET_FLOW_CTRL 2 /* Set flow control register */ -#define FTDI_SIO_SET_BAUD_RATE 3 /* Set baud rate */ -#define FTDI_SIO_SET_DATA 4 /* Set the data characteristics of the port */ -#define FTDI_SIO_GET_MODEM_STATUS 5 /* Retrieve current value of modern status register */ -#define FTDI_SIO_SET_EVENT_CHAR 6 /* Set the event character */ -#define FTDI_SIO_SET_ERROR_CHAR 7 /* Set the error character */ - -/* Port Identifier Table */ -#define PIT_DEFAULT 0 /* SIOA */ -#define PIT_SIOA 1 /* SIOA */ -/* The device this driver is tested with one has only one port */ -#define PIT_SIOB 2 /* SIOB */ -#define PIT_PARALLEL 3 /* Parallel */ - -/* FTDI_SIO_RESET */ -#define FTDI_SIO_RESET_REQUEST FTDI_SIO_RESET -#define FTDI_SIO_RESET_REQUEST_TYPE 0x40 -#define FTDI_SIO_RESET_SIO 0 -#define FTDI_SIO_RESET_PURGE_RX 1 -#define FTDI_SIO_RESET_PURGE_TX 2 - -/* - * BmRequestType: 0100 0000B - * bRequest: FTDI_SIO_RESET - * wValue: Control Value - * 0 = Reset SIO - * 1 = Purge RX buffer - * 2 = Purge TX buffer - * wIndex: Port - * wLength: 0 - * Data: None - * - * The Reset SIO command has this effect: - * - * Sets flow control set to 'none' - * Event char = $0D - * Event trigger = disabled - * Purge RX buffer - * Purge TX buffer - * Clear DTR - * Clear RTS - * baud and data format not reset - * - * The Purge RX and TX buffer commands affect nothing except the buffers - * - */ - -/* FTDI_SIO_SET_BAUDRATE */ -#define FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE 0x40 -#define FTDI_SIO_SET_BAUDRATE_REQUEST 3 - -/* - * BmRequestType: 0100 0000B - * bRequest: FTDI_SIO_SET_BAUDRATE - * wValue: BaudDivisor value - see below - * wIndex: Port - * wLength: 0 - * Data: None - * The BaudDivisor values are calculated as follows: - * - BaseClock is either 12000000 or 48000000 depending on the device. FIXME: I wish - * I knew how to detect old chips to select proper base clock! - * - BaudDivisor is a fixed point number encoded in a funny way. - * (--WRONG WAY OF THINKING--) - * BaudDivisor is a fixed point number encoded with following bit weighs: - * (-2)(-1)(13..0). It is a radical with a denominator of 4, so values - * end with 0.0 (00...), 0.25 (10...), 0.5 (01...), and 0.75 (11...). - * (--THE REALITY--) - * The both-bits-set has quite different meaning from 0.75 - the chip designers - * have decided it to mean 0.125 instead of 0.75. - * This info looked up in FTDI application note "FT8U232 DEVICES \ Data Rates - * and Flow Control Consideration for USB to RS232". - * - BaudDivisor = (BaseClock / 16) / BaudRate, where the (=) operation should - * automagically re-encode the resulting value to take fractions into consideration. - * As all values are integers, some bit twiddling is in order: - * BaudDivisor = (BaseClock / 16 / BaudRate) | - * (((BaseClock / 2 / BaudRate) & 4) ? 0x4000 // 0.5 - * : ((BaseClock / 2 / BaudRate) & 2) ? 0x8000 // 0.25 - * : ((BaseClock / 2 / BaudRate) & 1) ? 0xc000 // 0.125 - * : 0) - * - * For the FT232BM, a 17th divisor bit was introduced to encode the multiples - * of 0.125 missing from the FT8U232AM. Bits 16 to 14 are coded as follows - * (the first four codes are the same as for the FT8U232AM, where bit 16 is - * always 0): - * 000 - add .000 to divisor - * 001 - add .500 to divisor - * 010 - add .250 to divisor - * 011 - add .125 to divisor - * 100 - add .375 to divisor - * 101 - add .625 to divisor - * 110 - add .750 to divisor - * 111 - add .875 to divisor - * Bits 15 to 0 of the 17-bit divisor are placed in the urb value. Bit 16 is - * placed in bit 0 of the urb index. - * - * Note that there are a couple of special cases to support the highest baud - * rates. If the calculated divisor value is 1, this needs to be replaced with - * 0. Additionally for the FT232BM, if the calculated divisor value is 0x4001 - * (1.5), this needs to be replaced with 0x0001 (1) (but this divisor value is - * not supported by the FT8U232AM). - */ - -typedef enum { - SIO = 1, - FT8U232AM = 2, - FT232BM = 3, -} ftdi_chip_type_t; - -typedef enum { - ftdi_sio_b300 = 0, - ftdi_sio_b600 = 1, - ftdi_sio_b1200 = 2, - ftdi_sio_b2400 = 3, - ftdi_sio_b4800 = 4, - ftdi_sio_b9600 = 5, - ftdi_sio_b19200 = 6, - ftdi_sio_b38400 = 7, - ftdi_sio_b57600 = 8, - ftdi_sio_b115200 = 9 -} FTDI_SIO_baudrate_t ; - -/* - * The ftdi_8U232AM_xxMHz_byyy constants have been removed. The encoded divisor values - * are calculated internally. - */ - -#define FTDI_SIO_SET_DATA_REQUEST FTDI_SIO_SET_DATA -#define FTDI_SIO_SET_DATA_REQUEST_TYPE 0x40 -#define FTDI_SIO_SET_DATA_PARITY_NONE (0x0 << 8 ) -#define FTDI_SIO_SET_DATA_PARITY_ODD (0x1 << 8 ) -#define FTDI_SIO_SET_DATA_PARITY_EVEN (0x2 << 8 ) -#define FTDI_SIO_SET_DATA_PARITY_MARK (0x3 << 8 ) -#define FTDI_SIO_SET_DATA_PARITY_SPACE (0x4 << 8 ) -#define FTDI_SIO_SET_DATA_STOP_BITS_1 (0x0 << 11 ) -#define FTDI_SIO_SET_DATA_STOP_BITS_15 (0x1 << 11 ) -#define FTDI_SIO_SET_DATA_STOP_BITS_2 (0x2 << 11 ) -#define FTDI_SIO_SET_BREAK (0x1 << 14) -/* FTDI_SIO_SET_DATA */ - -/* - * BmRequestType: 0100 0000B - * bRequest: FTDI_SIO_SET_DATA - * wValue: Data characteristics (see below) - * wIndex: Port - * wLength: 0 - * Data: No - * - * Data characteristics - * - * B0..7 Number of data bits - * B8..10 Parity - * 0 = None - * 1 = Odd - * 2 = Even - * 3 = Mark - * 4 = Space - * B11..13 Stop Bits - * 0 = 1 - * 1 = 1.5 - * 2 = 2 - * B14 - * 1 = TX ON (break) - * 0 = TX OFF (normal state) - * B15 Reserved - * - */ - - - -/* FTDI_SIO_MODEM_CTRL */ -#define FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE 0x40 -#define FTDI_SIO_SET_MODEM_CTRL_REQUEST FTDI_SIO_MODEM_CTRL - -/* - * BmRequestType: 0100 0000B - * bRequest: FTDI_SIO_MODEM_CTRL - * wValue: ControlValue (see below) - * wIndex: Port - * wLength: 0 - * Data: None - * - * NOTE: If the device is in RTS/CTS flow control, the RTS set by this - * command will be IGNORED without an error being returned - * Also - you can not set DTR and RTS with one control message - */ - -#define FTDI_SIO_SET_DTR_MASK 0x1 -#define FTDI_SIO_SET_DTR_HIGH ( 1 | ( FTDI_SIO_SET_DTR_MASK << 8)) -#define FTDI_SIO_SET_DTR_LOW ( 0 | ( FTDI_SIO_SET_DTR_MASK << 8)) -#define FTDI_SIO_SET_RTS_MASK 0x2 -#define FTDI_SIO_SET_RTS_HIGH ( 2 | ( FTDI_SIO_SET_RTS_MASK << 8 )) -#define FTDI_SIO_SET_RTS_LOW ( 0 | ( FTDI_SIO_SET_RTS_MASK << 8 )) - -/* - * ControlValue - * B0 DTR state - * 0 = reset - * 1 = set - * B1 RTS state - * 0 = reset - * 1 = set - * B2..7 Reserved - * B8 DTR state enable - * 0 = ignore - * 1 = use DTR state - * B9 RTS state enable - * 0 = ignore - * 1 = use RTS state - * B10..15 Reserved - */ - -/* FTDI_SIO_SET_FLOW_CTRL */ -#define FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE 0x40 -#define FTDI_SIO_SET_FLOW_CTRL_REQUEST FTDI_SIO_SET_FLOW_CTRL -#define FTDI_SIO_DISABLE_FLOW_CTRL 0x0 -#define FTDI_SIO_RTS_CTS_HS (0x1 << 8) -#define FTDI_SIO_DTR_DSR_HS (0x2 << 8) -#define FTDI_SIO_XON_XOFF_HS (0x4 << 8) -/* - * BmRequestType: 0100 0000b - * bRequest: FTDI_SIO_SET_FLOW_CTRL - * wValue: Xoff/Xon - * wIndex: Protocol/Port - hIndex is protocl / lIndex is port - * wLength: 0 - * Data: None - * - * hIndex protocol is: - * B0 Output handshaking using RTS/CTS - * 0 = disabled - * 1 = enabled - * B1 Output handshaking using DTR/DSR - * 0 = disabled - * 1 = enabled - * B2 Xon/Xoff handshaking - * 0 = disabled - * 1 = enabled - * - * A value of zero in the hIndex field disables handshaking - * - * If Xon/Xoff handshaking is specified, the hValue field should contain the XOFF character - * and the lValue field contains the XON character. - */ - -/* - * FTDI_SIO_SET_EVENT_CHAR - * - * Set the special event character for the specified communications port. - * If the device sees this character it will immediately return the - * data read so far - rather than wait 40ms or until 62 bytes are read - * which is what normally happens. - */ - - -#define FTDI_SIO_SET_EVENT_CHAR_REQUEST FTDI_SIO_SET_EVENT_CHAR -#define FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE 0x40 - - -/* - * BmRequestType: 0100 0000b - * bRequest: FTDI_SIO_SET_EVENT_CHAR - * wValue: EventChar - * wIndex: Port - * wLength: 0 - * Data: None - * - * wValue: - * B0..7 Event Character - * B8 Event Character Processing - * 0 = disabled - * 1 = enabled - * B9..15 Reserved - * - */ - -/* FTDI_SIO_SET_ERROR_CHAR */ - -/* Set the parity error replacement character for the specified communications port */ - -/* - * BmRequestType: 0100 0000b - * bRequest: FTDI_SIO_SET_EVENT_CHAR - * wValue: Error Char - * wIndex: Port - * wLength: 0 - * Data: None - * - *Error Char - * B0..7 Error Character - * B8 Error Character Processing - * 0 = disabled - * 1 = enabled - * B9..15 Reserved - * - */ - -/* FTDI_SIO_GET_MODEM_STATUS */ -/* Retreive the current value of the modem status register */ - -#define FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE 0xc0 -#define FTDI_SIO_GET_MODEM_STATUS_REQUEST FTDI_SIO_GET_MODEM_STATUS -#define FTDI_SIO_CTS_MASK 0x10 -#define FTDI_SIO_DSR_MASK 0x20 -#define FTDI_SIO_RI_MASK 0x40 -#define FTDI_SIO_RLSD_MASK 0x80 -/* - * BmRequestType: 1100 0000b - * bRequest: FTDI_SIO_GET_MODEM_STATUS - * wValue: zero - * wIndex: Port - * wLength: 1 - * Data: Status - * - * One byte of data is returned - * B0..3 0 - * B4 CTS - * 0 = inactive - * 1 = active - * B5 DSR - * 0 = inactive - * 1 = active - * B6 Ring Indicator (RI) - * 0 = inactive - * 1 = active - * B7 Receive Line Signal Detect (RLSD) - * 0 = inactive - * 1 = active - */ - - - -/* Descriptors returned by the device - * - * Device Descriptor - * - * Offset Field Size Value Description - * 0 bLength 1 0x12 Size of descriptor in bytes - * 1 bDescriptorType 1 0x01 DEVICE Descriptor Type - * 2 bcdUSB 2 0x0110 USB Spec Release Number - * 4 bDeviceClass 1 0x00 Class Code - * 5 bDeviceSubClass 1 0x00 SubClass Code - * 6 bDeviceProtocol 1 0x00 Protocol Code - * 7 bMaxPacketSize0 1 0x08 Maximum packet size for endpoint 0 - * 8 idVendor 2 0x0403 Vendor ID - * 10 idProduct 2 0x8372 Product ID (FTDI_SIO_PID) - * 12 bcdDevice 2 0x0001 Device release number - * 14 iManufacturer 1 0x01 Index of man. string desc - * 15 iProduct 1 0x02 Index of prod string desc - * 16 iSerialNumber 1 0x02 Index of serial nmr string desc - * 17 bNumConfigurations 1 0x01 Number of possible configurations - * - * Configuration Descriptor - * - * Offset Field Size Value - * 0 bLength 1 0x09 Size of descriptor in bytes - * 1 bDescriptorType 1 0x02 CONFIGURATION Descriptor Type - * 2 wTotalLength 2 0x0020 Total length of data - * 4 bNumInterfaces 1 0x01 Number of interfaces supported - * 5 bConfigurationValue 1 0x01 Argument for SetCOnfiguration() req - * 6 iConfiguration 1 0x02 Index of config string descriptor - * 7 bmAttributes 1 0x20 Config characteristics Remote Wakeup - * 8 MaxPower 1 0x1E Max power consumption - * - * Interface Descriptor - * - * Offset Field Size Value - * 0 bLength 1 0x09 Size of descriptor in bytes - * 1 bDescriptorType 1 0x04 INTERFACE Descriptor Type - * 2 bInterfaceNumber 1 0x00 Number of interface - * 3 bAlternateSetting 1 0x00 Value used to select alternate - * 4 bNumEndpoints 1 0x02 Number of endpoints - * 5 bInterfaceClass 1 0xFF Class Code - * 6 bInterfaceSubClass 1 0xFF Subclass Code - * 7 bInterfaceProtocol 1 0xFF Protocol Code - * 8 iInterface 1 0x02 Index of interface string description - * - * IN Endpoint Descriptor - * - * Offset Field Size Value - * 0 bLength 1 0x07 Size of descriptor in bytes - * 1 bDescriptorType 1 0x05 ENDPOINT descriptor type - * 2 bEndpointAddress 1 0x82 Address of endpoint - * 3 bmAttributes 1 0x02 Endpoint attributes - Bulk - * 4 bNumEndpoints 2 0x0040 maximum packet size - * 5 bInterval 1 0x00 Interval for polling endpoint - * - * OUT Endpoint Descriptor - * - * Offset Field Size Value - * 0 bLength 1 0x07 Size of descriptor in bytes - * 1 bDescriptorType 1 0x05 ENDPOINT descriptor type - * 2 bEndpointAddress 1 0x02 Address of endpoint - * 3 bmAttributes 1 0x02 Endpoint attributes - Bulk - * 4 bNumEndpoints 2 0x0040 maximum packet size - * 5 bInterval 1 0x00 Interval for polling endpoint - * - * DATA FORMAT - * - * IN Endpoint - * - * The device reserves the first two bytes of data on this endpoint to contain the current - * values of the modem and line status registers. In the absence of data, the device - * generates a message consisting of these two status bytes every 40 ms - * - * Byte 0: Modem Status - * - * Offset Description - * B0 Reserved - must be 1 - * B1 Reserved - must be 0 - * B2 Reserved - must be 0 - * B3 Reserved - must be 0 - * B4 Clear to Send (CTS) - * B5 Data Set Ready (DSR) - * B6 Ring Indicator (RI) - * B7 Receive Line Signal Detect (RLSD) - * - * Byte 1: Line Status - * - * Offset Description - * B0 Data Ready (DR) - * B1 Overrun Error (OE) - * B2 Parity Error (PE) - * B3 Framing Error (FE) - * B4 Break Interrupt (BI) - * B5 Transmitter Holding Register (THRE) - * B6 Transmitter Empty (TEMT) - * B7 Error in RCVR FIFO - * - */ -#define FTDI_RS0_CTS (1 << 4) -#define FTDI_RS0_DSR (1 << 5) -#define FTDI_RS0_RI (1 << 6) -#define FTDI_RS0_RLSD (1 << 7) - -#define FTDI_RS_DR 1 -#define FTDI_RS_OE (1<<1) -#define FTDI_RS_PE (1<<2) -#define FTDI_RS_FE (1<<3) -#define FTDI_RS_BI (1<<4) -#define FTDI_RS_THRE (1<<5) -#define FTDI_RS_TEMT (1<<6) -#define FTDI_RS_FIFO (1<<7) - -/* - * OUT Endpoint - * - * This device reserves the first bytes of data on this endpoint contain the length - * and port identifier of the message. For the FTDI USB Serial converter the port - * identifier is always 1. - * - * Byte 0: Line Status - * - * Offset Description - * B0 Reserved - must be 1 - * B1 Reserved - must be 0 - * B2..7 Length of message - (not including Byte 0) - * - */ - diff --git a/dmx_usb_module/dmx_usb_test.c b/dmx_usb_module/dmx_usb_test.c deleted file mode 100644 --- a/dmx_usb_module/dmx_usb_test.c +++ /dev/null @@ -1,44 +0,0 @@ -/* - * $Id: dmx_usb_test.c 40 2004-09-11 11:16:39Z erwin $ - */ - -#include -#include -#include -#include -#include -#include - -int main(int argc, char* argv[]) -{ - unsigned char buffer[513]; - int fd; - int res; - int i; - - fd = open("/dev/dmx0",O_WRONLY); - if (fd < 0) { - perror("open"); - exit(-1); - } - - for (i = 0; i < 513;i++) { - buffer[i] = i; - } - - buffer[512] = 0x55; - - while(1) { - res = write(fd, buffer, 513); - - if (res < 0){ - perror("write"); - exit(-1); - } - } - - close(fd); - - return 0; -} - diff --git a/dmx_usb_module/pyout b/dmx_usb_module/pyout deleted file mode 100644 --- a/dmx_usb_module/pyout +++ /dev/null @@ -1,7 +0,0 @@ - -from dmx import Dmx - -d = Dmx(port="/dev/dmx1") -while 1: - d.write("\x00" * 100) - print "wrote" diff --git a/dmx_usb_module/setup.py b/dmx_usb_module/setup.py deleted file mode 100644 --- a/dmx_usb_module/setup.py +++ /dev/null @@ -1,14 +0,0 @@ -from distutils.core import setup -from distutils.extension import Extension -from Pyrex.Distutils import build_ext - -setup(name="dmx", - ext_modules=[ - Extension("dmx", - ["dmx.pyx"], -# library_dirs=['/usr/X11R6/lib'], -# libraries=["X11","Xtst"] - ), - ], - cmdclass={'build_ext':build_ext}) -