Describe problems with parallel cables

[usb-driver] / xpcu.c

diff --git a/xpcu.c b/xpcu.c
index f92173a1a6639cae4b55a23462084f7dd8c6cca0..56e584c70af16eeeeee899066b489337e7e0c9f5 100644 (file)
--- a/xpcu.c
+++ b/xpcu.c
@@ -5,19 +5,37 @@
 #include <strings.h>
 #include <usb.h>
 #include <errno.h>
 #include <strings.h>
 #include <usb.h>
 #include <errno.h>

+#include <pthread.h>
+#include <stdint.h>

 #include "usb-driver.h"
 #include "xpcu.h"
 
 #include "usb-driver.h"
 #include "xpcu.h"
 

+struct xpcu_s {
+       struct usb_device *dev;
+       usb_dev_handle *handle;
+       int interface;
+       int alternate;
+       unsigned long card_type;
+};
+
+struct xpcu_event_s {
+       struct xpcu_s *xpcu;
+       int count;
+       int interrupt_count;
+       pthread_mutex_t interrupt;
+};
+

 static struct usb_bus *busses = NULL;
 
 static struct usb_bus *busses = NULL;
 

-int xpcu_deviceinfo(struct xpcu_s *xpcu, struct usb_get_device_data *ugdd) {
+int xpcu_deviceinfo(struct usb_get_device_data *ugdd) {
+       struct xpcu_s *xpcu = (struct xpcu_s*)ugdd->dwUniqueID;

        int i,j,k,l;
        int len = 0;
        unsigned char *buf = NULL;
        WDU_CONFIGURATION **pConfigs, **pActiveConfig;
        WDU_INTERFACE **pActiveInterface;
 
        int i,j,k,l;
        int len = 0;
        unsigned char *buf = NULL;
        WDU_CONFIGURATION **pConfigs, **pActiveConfig;
        WDU_INTERFACE **pActiveInterface;
 

-       if (ugdd->dwUniqueID != (unsigned long)xpcu)
+       if (!xpcu)

                return -ENODEV;
 
        if (ugdd->dwBytes)
                return -ENODEV;
 
        if (ugdd->dwBytes)


@@ -174,7 +192,9 @@ int xpcu_deviceinfo(struct xpcu_s *xpcu, struct usb_get_device_data *ugdd) {
                }
        }
 
                }
        }
 

-       return len;
+       ugdd->dwBytes = len;
+
+       return 0;

 }
 
 static int xpcu_claim(struct xpcu_s *xpcu, int claim) {
 }
 
 static int xpcu_claim(struct xpcu_s *xpcu, int claim) {


@@ -202,18 +222,21 @@ static int xpcu_claim(struct xpcu_s *xpcu, int claim) {
                if (!claimed)
                        return 0;
 
                if (!claimed)
                        return 0;
 

+#if 0

                ret = usb_release_interface(xpcu->handle, xpcu->interface);
                if (!ret)
                        claimed = 0;
                ret = usb_release_interface(xpcu->handle, xpcu->interface);
                if (!ret)
                        claimed = 0;

+#endif

        }
 
        return ret;
 }
 
        }
 
        return ret;
 }
 

-int xpcu_transfer(struct xpcu_s *xpcu, struct usb_transfer *ut) {
+int xpcu_transfer(struct usb_transfer *ut) {
+       struct xpcu_s *xpcu = (struct xpcu_s*)ut->dwUniqueID;

        int ret = 0;
 
        int ret = 0;
 

-       if (ut->dwUniqueID != (unsigned long)xpcu)
+       if (!xpcu)

                return -ENODEV;
 
        xpcu_claim(xpcu, XPCU_CLAIM);
                return -ENODEV;
 
        xpcu_claim(xpcu, XPCU_CLAIM);


@@ -225,7 +248,7 @@ int xpcu_transfer(struct xpcu_s *xpcu, struct usb_transfer *ut) {
                value = ut->SetupPacket[2] | (ut->SetupPacket[3] << 8);
                index = ut->SetupPacket[4] | (ut->SetupPacket[5] << 8);
                size = ut->SetupPacket[6] | (ut->SetupPacket[7] << 8);
                value = ut->SetupPacket[2] | (ut->SetupPacket[3] << 8);
                index = ut->SetupPacket[4] | (ut->SetupPacket[5] << 8);
                size = ut->SetupPacket[6] | (ut->SetupPacket[7] << 8);

-               DPRINTF("requesttype: %x, request: %x, value: %u, index: %u, size: %u\n", requesttype, request, value, index, size);
+               DPRINTF("-> requesttype: %x, request: %x, value: %u, index: %u, size: %u\n", requesttype, request, value, index, size);

                ret = usb_control_msg(xpcu->handle, requesttype, request, value, index, ut->pBuffer, size, ut->dwTimeout);
        } else {
                if (ut->fRead) {
                ret = usb_control_msg(xpcu->handle, requesttype, request, value, index, ut->pBuffer, size, ut->dwTimeout);
        } else {
                if (ut->fRead) {


@@ -246,9 +269,11 @@ int xpcu_transfer(struct xpcu_s *xpcu, struct usb_transfer *ut) {
        return ret;
 }
 
        return ret;
 }
 

-void xpcu_set_interface(struct xpcu_s *xpcu, struct usb_set_interface *usi) {
-       if (usi->dwUniqueID != (unsigned long)xpcu)
-               return;
+int xpcu_set_interface(struct usb_set_interface *usi) {
+       struct xpcu_s *xpcu = (struct xpcu_s*)usi->dwUniqueID;
+
+       if (!xpcu)
+               return -ENODEV;

 
        if (xpcu->dev) {
                if (!xpcu->handle) {
 
        if (xpcu->dev) {
                if (!xpcu->handle) {


@@ -264,6 +289,8 @@ void xpcu_set_interface(struct xpcu_s *xpcu, struct usb_set_interface *usi) {
                xpcu->interface = xpcu->dev->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber;
                xpcu->alternate = usi->dwAlternateSetting;
        }
                xpcu->interface = xpcu->dev->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber;
                xpcu->alternate = usi->dwAlternateSetting;
        }

+
+       return 0;

 }
 
 static void xpcu_init(void) {
 }
 
 static void xpcu_init(void) {


@@ -278,23 +305,27 @@ static void xpcu_init(void) {
 }
 
 
 }
 
 

-struct xpcu_s *xpcu_find(struct event *e) {
-       static struct xpcu_s xpcu;
-       char* devpos;
+int xpcu_find(struct event *e) {
+       struct xpcu_event_s *xpcu_event = NULL;
+       struct xpcu_s *xpcu = NULL;
+       char* usbdev;

        struct usb_bus *bus;
        int busnum = -1, devnum = -1;
        int i;
 
        struct usb_bus *bus;
        int busnum = -1, devnum = -1;
        int i;
 

-       bzero(&xpcu, sizeof(xpcu));
-       xpcu.interface = -1;
-       xpcu.alternate = -1;
+       e->handle = (unsigned long)NULL;

 
        xpcu_init();
 
 
        xpcu_init();
 

-       devpos = getenv("XILINX_USB_DEV");
-       if (devpos != NULL) {
+       usbdev = getenv("XILINX_USB_DEV");
+       if (usbdev != NULL) {

                int j;
                char *devstr = NULL, *remainder;
                int j;
                char *devstr = NULL, *remainder;

+               char *devpos;
+
+               devpos = strdup(usbdev);
+               if (!devpos)
+                       return -ENOMEM;

 
                DPRINTF("XILINX_USB_DEV=%s\n", devpos);
 
 
                DPRINTF("XILINX_USB_DEV=%s\n", devpos);
 


@@ -320,8 +351,19 @@ struct xpcu_s *xpcu_find(struct event *e) {
                                }
                        }
                }
                                }
                        }
                }

+               free(devpos);

        }
 
        }
 

+       xpcu_event = malloc(sizeof(struct xpcu_event_s));
+       if (!xpcu_event)
+               return -ENOMEM;
+
+       bzero(xpcu_event, sizeof(struct xpcu_event_s));
+       xpcu_event->xpcu = NULL;
+       xpcu_event->count = 0;
+       xpcu_event->interrupt_count = 0;
+       pthread_mutex_init(&xpcu_event->interrupt, NULL);
+

        for (i = 0; i < e->dwNumMatchTables; i++) {
 
                DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
        for (i = 0; i < e->dwNumMatchTables; i++) {
 
                DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",


@@ -361,10 +403,24 @@ struct xpcu_s *xpcu_find(struct event *e) {
 
                                                        if ((interface->altsetting[ai].bInterfaceSubClass == e->matchTables[i].bInterfaceSubClass) &&
                                                                        (interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){
 
                                                        if ((interface->altsetting[ai].bInterfaceSubClass == e->matchTables[i].bInterfaceSubClass) &&
                                                                        (interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){

+                                                               int n = xpcu_event->count;
+

                                                                /* TODO: check interfaceClass! */
                                                                DPRINTF("found device with libusb\n");
                                                                /* TODO: check interfaceClass! */
                                                                DPRINTF("found device with libusb\n");

-                                                               xpcu.dev = dev;
-                                                               xpcu.card_type = e->dwCardType;
+
+                                                               xpcu = realloc(xpcu, sizeof(struct xpcu_s) * (++xpcu_event->count));
+                                                               if (!xpcu) {
+                                                                       free(xpcu_event);
+                                                                       return -ENOMEM;
+                                                               }
+
+                                                               bzero(&(xpcu[n]), sizeof(struct xpcu_s));
+                                                               xpcu[n].interface = -1;
+                                                               xpcu[n].alternate = -1;
+                                                               xpcu[n].dev = dev;
+                                                               xpcu[n].card_type = e->dwCardType;
+
+                                                               xpcu_event->xpcu = xpcu;

                                                        }
                                                }
                                        }
                                                        }
                                                }
                                        }


@@ -373,20 +429,25 @@ struct xpcu_s *xpcu_find(struct event *e) {
                }
        }
 
                }
        }
 

-       if (!xpcu.dev)
-               return NULL;
+       e->handle = (unsigned long)xpcu_event;

 
 

-       return &xpcu;
+       return 0;

 }
 
 }
 

-void xpcu_found(struct xpcu_s *xpcu, struct event *e) {
-       if (e->handle && e->handle == (unsigned long)xpcu && xpcu->dev) {
+int xpcu_found(struct event *e) {
+       struct xpcu_event_s *xpcu_event = (struct xpcu_event_s*)e->handle;
+       struct xpcu_s *xpcu = NULL;
+
+       if (xpcu_event && xpcu_event->count && (xpcu_event->interrupt_count <= xpcu_event->count))
+               xpcu = &(xpcu_event->xpcu[xpcu_event->interrupt_count-1]);
+
+       if (xpcu && xpcu->dev) {

                struct usb_interface *interface = xpcu->dev->config->interface;
 
                e->dwCardType = xpcu->card_type;
                e->dwAction = 1;
                e->dwEventId = 1;
                struct usb_interface *interface = xpcu->dev->config->interface;
 
                e->dwCardType = xpcu->card_type;
                e->dwAction = 1;
                e->dwEventId = 1;

-               e->u.Usb.dwUniqueID = e->handle;
+               e->u.Usb.dwUniqueID = (unsigned long)xpcu;

                e->matchTables[0].VendorId = xpcu->dev->descriptor.idVendor;
                e->matchTables[0].ProductId = xpcu->dev->descriptor.idProduct;
                e->matchTables[0].bDeviceClass = xpcu->dev->descriptor.bDeviceClass;
                e->matchTables[0].VendorId = xpcu->dev->descriptor.idVendor;
                e->matchTables[0].ProductId = xpcu->dev->descriptor.idProduct;
                e->matchTables[0].bDeviceClass = xpcu->dev->descriptor.bDeviceClass;


@@ -395,21 +456,72 @@ void xpcu_found(struct xpcu_s *xpcu, struct event *e) {
                e->matchTables[0].bInterfaceSubClass = interface->altsetting[0].bInterfaceSubClass;
                e->matchTables[0].bInterfaceProtocol = interface->altsetting[0].bInterfaceProtocol;
        }
                e->matchTables[0].bInterfaceSubClass = interface->altsetting[0].bInterfaceSubClass;
                e->matchTables[0].bInterfaceProtocol = interface->altsetting[0].bInterfaceProtocol;
        }

+
+       return 0;

 }
 
 }
 

-void xpcu_close(struct xpcu_s *xpcu, struct event *e) {
-       if (e->handle != (unsigned long)xpcu)
-               return;
+int xpcu_close(struct event *e) {
+       struct xpcu_event_s *xpcu_event = (struct xpcu_event_s*)e->handle;
+
+       if (!xpcu_event)
+               return -ENODEV;
+
+       if(xpcu_event) {
+               struct  xpcu_s *xpcu;
+               int i;

 
 

-       if(xpcu) {
-               if (xpcu->handle) {
-                       xpcu_claim(xpcu, XPCU_RELEASE);
-                       usb_close(xpcu->handle);
+               for (i = 0; i < xpcu_event->count; i++) {
+                       xpcu = &(xpcu_event->xpcu[i]);
+                       if (xpcu->handle) {
+                               xpcu_claim(xpcu, XPCU_RELEASE);
+                               usb_close(xpcu->handle);
+                       }

                }
 
                }
 

-               xpcu->handle = NULL;
-               xpcu->interface = -1;
-               xpcu->alternate = -1;
+               if (xpcu_event->xpcu)
+                       free(xpcu_event->xpcu);
+

                busses = NULL;
                busses = NULL;

+               free(xpcu_event);
+       }
+
+       return 0;
+}
+
+int xpcu_int_state(struct interrupt *it, int enable) {
+       struct xpcu_event_s *xpcu_event = (struct xpcu_event_s*)it->hInterrupt;
+
+       if (!xpcu_event)
+               return -ENODEV;
+       
+       if (enable == ENABLE_INTERRUPT) {
+               it->fEnableOk = 1;
+               it->fStopped = 0;
+               it->dwCounter = 0;
+               pthread_mutex_trylock(&xpcu_event->interrupt);
+       } else {
+               it->dwCounter = 0;
+               it->fStopped = 1;
+               if (pthread_mutex_trylock(&xpcu_event->interrupt) == EBUSY)
+                       pthread_mutex_unlock(&xpcu_event->interrupt);
+       }
+
+       return 0;
+}
+
+int xpcu_int_wait(struct interrupt *it) {
+       struct xpcu_event_s *xpcu_event = (struct xpcu_event_s*)it->hInterrupt;
+
+       if (!xpcu_event)
+               return -ENODEV;
+
+       if (it->dwCounter < xpcu_event->count) {
+               it->dwCounter++;
+       } else {
+               pthread_mutex_lock(&xpcu_event->interrupt);
+               pthread_mutex_unlock(&xpcu_event->interrupt);

        }
        }

+       xpcu_event->interrupt_count++;
+
+       return 0;

 }
 }