simple tcp-server, barely able to communicate with fhem

[hmcfgusb] / hmcfgusb.c

diff --git a/hmcfgusb.c b/hmcfgusb.c
index 955a65ba421a6ad4de677c7e913a98dd3985d672..a73cd65e6d6a8713d544b76276fb9166afe48567 100644 (file)
--- a/hmcfgusb.c
+++ b/hmcfgusb.c
@@ -49,6 +49,7 @@
 #define INTERFACE      0
 
 static int quit = 0;
 #define INTERFACE      0
 
 static int quit = 0;

+static int debug = 1;

 
 /* Not in all libusb-1.0 versions, so we have to roll our own :-( */
 static char * usb_strerror(int e)
 
 /* Not in all libusb-1.0 versions, so we have to roll our own :-( */
 static char * usb_strerror(int e)


@@ -142,13 +143,12 @@ int hmcfgusb_send(struct hmcfgusb_dev *usbdev, unsigned char* send_data, int len
 {
        int err;
        int cnt;
 {
        int err;
        int cnt;

-       int ret;

 
 

+       if (debug)
+               hexdump(send_data, len, "< ");

        err = libusb_interrupt_transfer(usbdev->usb_devh, EP_OUT, send_data, len, &cnt, USB_TIMEOUT);
        if (err) {
                fprintf(stderr, "Can't send data: %s\n", usb_strerror(err));
        err = libusb_interrupt_transfer(usbdev->usb_devh, EP_OUT, send_data, len, &cnt, USB_TIMEOUT);
        if (err) {
                fprintf(stderr, "Can't send data: %s\n", usb_strerror(err));

-               if (err == LIBUSB_ERROR_NO_DEVICE)
-                       exit(EXIT_FAILURE);

                return 0;
        }
 
                return 0;
        }
 


@@ -156,13 +156,11 @@ int hmcfgusb_send(struct hmcfgusb_dev *usbdev, unsigned char* send_data, int len
                err = libusb_interrupt_transfer(usbdev->usb_devh, EP_OUT, send_data, 0, &cnt, USB_TIMEOUT);
                if (err) {
                        fprintf(stderr, "Can't send data: %s\n", usb_strerror(err));
                err = libusb_interrupt_transfer(usbdev->usb_devh, EP_OUT, send_data, 0, &cnt, USB_TIMEOUT);
                if (err) {
                        fprintf(stderr, "Can't send data: %s\n", usb_strerror(err));

-                       if (err == LIBUSB_ERROR_NO_DEVICE)
-                               exit(EXIT_FAILURE);

                        return 0;
                }
        }
 
                        return 0;
                }
        }
 

-       return ret;
+       return 1;

 }
 
 static struct libusb_transfer *hmcfgusb_prepare_int(libusb_device_handle *devh, libusb_transfer_cb_fn cb, void *data)
 }
 
 static struct libusb_transfer *hmcfgusb_prepare_int(libusb_device_handle *devh, libusb_transfer_cb_fn cb, void *data)


@@ -226,9 +224,11 @@ static void LIBUSB_CALL hmcfgusb_interrupt(struct libusb_transfer *transfer)
                }
        } else {
                if (cb_data && cb_data->cb) {
                }
        } else {
                if (cb_data && cb_data->cb) {

+                       if (debug)
+                               hexdump(transfer->buffer, transfer->actual_length, "> ");

                        cb_data->cb(transfer->buffer, transfer->actual_length, cb_data->data);
                } else {
                        cb_data->cb(transfer->buffer, transfer->actual_length, cb_data->data);
                } else {

-                       hexdump(transfer->buffer, transfer->actual_length, "RECV> ");
+                       hexdump(transfer->buffer, transfer->actual_length, "> ");

                }
        }
 
                }
        }
 


@@ -417,6 +417,7 @@ void hmcfgusb_close(struct hmcfgusb_dev *dev)
        }
 
        libusb_close(dev->usb_devh);
        }
 
        libusb_close(dev->usb_devh);

+       free(dev->pfd);

        free(dev);
 
        libusb_exit(NULL);
        free(dev);
 
        libusb_exit(NULL);