diff --git a/libfprint/drivers/aes1610.c b/libfprint/drivers/aes1610.c index df5b5695..0d3ca4a6 100644 --- a/libfprint/drivers/aes1610.c +++ b/libfprint/drivers/aes1610.c @@ -28,8 +28,8 @@ #include "drivers_api.h" #include "aeslib.h" -static void start_capture(struct fp_img_dev *dev); -static void complete_deactivation(struct fp_img_dev *dev); +static void start_capture(FpImageDevice *dev); +static void complete_deactivation(FpImageDevice *dev); static int adjust_gain(unsigned char *buffer, int status); #define FIRST_AES1610_REG 0x1B @@ -39,8 +39,8 @@ static int adjust_gain(unsigned char *buffer, int status); #define GAIN_STATUS_NORMAL 2 /* FIXME these need checking */ -#define EP_IN (1 | LIBUSB_ENDPOINT_IN) -#define EP_OUT (2 | LIBUSB_ENDPOINT_OUT) +#define EP_IN (1 | FPI_USB_ENDPOINT_IN) +#define EP_OUT (2 | FPI_USB_ENDPOINT_OUT) #define BULK_TIMEOUT 4000 @@ -69,13 +69,18 @@ static int adjust_gain(unsigned char *buffer, int status); /****** GENERAL FUNCTIONS ******/ -struct aes1610_dev { - uint8_t read_regs_retry_count; +struct _FpiDeviceAes1610 { + FpImageDevice parent; + + guint8 read_regs_retry_count; GSList *strips; - size_t strips_len; + gsize strips_len; gboolean deactivating; - uint8_t blanks_count; + guint8 blanks_count; }; +G_DECLARE_FINAL_TYPE(FpiDeviceAes1610, fpi_device_aes1610, FPI, DEVICE_AES1610, + FpImageDevice); +G_DEFINE_TYPE(FpiDeviceAes1610, fpi_device_aes1610, FP_TYPE_IMAGE_DEVICE); static struct fpi_frame_asmbl_ctx assembling_ctx = { .frame_width = FRAME_WIDTH, @@ -84,67 +89,62 @@ static struct fpi_frame_asmbl_ctx assembling_ctx = { .get_pixel = aes_get_pixel, }; -typedef void (*aes1610_read_regs_cb)(struct fp_img_dev *dev, int status, - unsigned char *regs, void *user_data); +typedef void (*aes1610_read_regs_cb)(FpImageDevice *dev, int status, + unsigned char *regs, void *user_data); struct aes1610_read_regs { - struct fp_img_dev *dev; + FpImageDevice *dev; aes1610_read_regs_cb callback; struct aes_regwrite *regwrite; void *user_data; }; /* FIXME: what to do here? */ -static void stub_capture_stop_cb(struct fp_img_dev *dev, int result, void *user_data) +static void stub_capture_stop_cb(FpImageDevice *dev, GError *error, + void *user_data) { - + if (error) { + fp_warn ("Error stopping capture: %s", error->message); + g_error_free (error); + } } /* check that read succeeded but ignore all data */ -static void generic_ignore_data_cb(struct libusb_transfer *transfer) +static void generic_ignore_data_cb(FpiUsbTransfer *transfer, FpDevice *device, + gpointer user_data, GError *error) { - fpi_ssm *ssm = transfer->user_data; - - if (transfer->status != LIBUSB_TRANSFER_COMPLETED) - fpi_ssm_mark_failed(ssm, -EIO); - else if (transfer->length != transfer->actual_length) - fpi_ssm_mark_failed(ssm, -EPROTO); + if (error) + fpi_ssm_mark_failed(transfer->ssm, error); else - fpi_ssm_next_state(ssm); - - g_free(transfer->buffer); - libusb_free_transfer(transfer); + fpi_ssm_next_state(transfer->ssm); } -static void generic_write_regv_cb(struct fp_img_dev *dev, int result, - void *user_data) +static void generic_write_regv_cb(FpImageDevice *dev, GError *error, + void *user_data) { - fpi_ssm *ssm = user_data; - if (result == 0) + FpiSsm *ssm = user_data; + if (!error) fpi_ssm_next_state(ssm); else - fpi_ssm_mark_failed(ssm, result); + fpi_ssm_mark_failed(ssm, error); } /* read the specified number of bytes from the IN endpoint but throw them * away, then increment the SSM */ -static void generic_read_ignore_data(fpi_ssm *ssm, struct fp_dev *dev, size_t bytes) +static void generic_read_ignore_data(FpiSsm *ssm, FpDevice *dev, + size_t bytes) { - struct libusb_transfer *transfer = fpi_usb_alloc(); + FpiUsbTransfer *transfer = fpi_usb_transfer_new(dev); unsigned char *data; - int r; data = g_malloc(bytes); - libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(dev), EP_IN, data, bytes, - generic_ignore_data_cb, ssm, BULK_TIMEOUT); - - r = libusb_submit_transfer(transfer); - if (r < 0) { - g_free(data); - libusb_free_transfer(transfer); - fpi_ssm_mark_failed(ssm, r); - } + fpi_usb_transfer_fill_bulk_full(transfer, EP_IN, data, bytes, NULL); + transfer->ssm = ssm; + transfer->short_is_error = TRUE; + fpi_usb_transfer_submit(transfer, BULK_TIMEOUT, NULL, + generic_ignore_data_cb, NULL); + fpi_usb_transfer_unref(transfer); } /****** FINGER PRESENCE DETECTION ******/ @@ -175,21 +175,19 @@ static const struct aes_regwrite finger_det_reqs[] = { { 0x81, 0x04 } }; -static void start_finger_detection(struct fp_img_dev *dev); +static void start_finger_detection(FpImageDevice *dev); -static void finger_det_data_cb(struct libusb_transfer *transfer) +static void finger_det_data_cb(FpiUsbTransfer *transfer, FpDevice *device, + gpointer user_data, GError *error) { - struct fp_img_dev *dev = transfer->user_data; + FpImageDevice *dev = FP_IMAGE_DEVICE(device); unsigned char *data = transfer->buffer; int i; int sum = 0; - if (transfer->status != LIBUSB_TRANSFER_COMPLETED) { - fpi_imgdev_session_error(dev, -EIO); - goto out; - } else if (transfer->length != transfer->actual_length) { - fpi_imgdev_session_error(dev, -EPROTO); - goto out; + if (error) { + fpi_image_device_session_error (dev, error); + return; } /* examine histogram to determine finger presence */ @@ -199,48 +197,37 @@ static void finger_det_data_cb(struct libusb_transfer *transfer) /* reset default gain */ adjust_gain(data,GAIN_STATUS_FIRST); /* finger present, start capturing */ - fpi_imgdev_report_finger_status(dev, TRUE); + fpi_image_device_report_finger_status(dev, TRUE); start_capture(dev); } else { /* no finger, poll for a new histogram */ start_finger_detection(dev); } - -out: - g_free(data); - libusb_free_transfer(transfer); } -static void finger_det_reqs_cb(struct fp_img_dev *dev, int result, void *user_data) +static void finger_det_reqs_cb(FpImageDevice *dev, GError *error, + void *user_data) { - struct libusb_transfer *transfer; - unsigned char *data; - int r; + FpiUsbTransfer *transfer; - if (result) { - fpi_imgdev_session_error(dev, result); + if (error) { + fpi_image_device_session_error(dev, error); return; } - transfer = fpi_usb_alloc(); - data = g_malloc(FINGER_DETECTION_LEN); - libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_IN, data, FINGER_DETECTION_LEN, - finger_det_data_cb, dev, BULK_TIMEOUT); - - r = libusb_submit_transfer(transfer); - if (r < 0) { - g_free(data); - libusb_free_transfer(transfer); - fpi_imgdev_session_error(dev, r); - } - + transfer = fpi_usb_transfer_new(FP_DEVICE(dev)); + fpi_usb_transfer_fill_bulk (transfer, EP_IN, FINGER_DETECTION_LEN); + transfer->short_is_error = TRUE; + fpi_usb_transfer_submit(transfer, BULK_TIMEOUT, NULL, + finger_det_data_cb, NULL); + fpi_usb_transfer_unref(transfer); } -static void start_finger_detection(struct fp_img_dev *dev) +static void start_finger_detection(FpImageDevice *dev) { - struct aes1610_dev *aesdev = FP_INSTANCE_DATA(FP_DEV(dev)); + FpiDeviceAes1610 *self = FPI_DEVICE_AES1610(dev); - if (aesdev->deactivating) { + if (self->deactivating) { complete_deactivation(dev); return; } @@ -545,21 +532,18 @@ enum capture_states { CAPTURE_NUM_STATES, }; -static void capture_read_strip_cb(struct libusb_transfer *transfer) +static void capture_read_strip_cb(FpiUsbTransfer *transfer, FpDevice *device, + gpointer user_data, GError *error) { unsigned char *stripdata; - fpi_ssm *ssm = transfer->user_data; - struct fp_img_dev *dev = fpi_ssm_get_user_data(ssm); - struct aes1610_dev *aesdev = FP_INSTANCE_DATA(FP_DEV(dev)); + FpImageDevice *dev = FP_IMAGE_DEVICE (device); + FpiDeviceAes1610 *self = FPI_DEVICE_AES1610(dev); unsigned char *data = transfer->buffer; - int sum, i; + gint sum, i; - if (transfer->status != LIBUSB_TRANSFER_COMPLETED) { - fpi_ssm_mark_failed(ssm, -EIO); - goto out; - } else if (transfer->length != transfer->actual_length) { - fpi_ssm_mark_failed(ssm, -EPROTO); - goto out; + if (error) { + fpi_ssm_mark_failed (transfer->ssm, error); + return; } /* FIXME: would preallocating strip buffers be a decent optimization? */ @@ -572,6 +556,7 @@ static void capture_read_strip_cb(struct libusb_transfer *transfer) sum += data[i]; } + fp_dbg("sum=%d", sum); if (sum > 0) { /* FIXME: would preallocating strip buffers be a decent optimization? */ struct fpi_frame *stripe = g_malloc(FRAME_WIDTH * (FRAME_HEIGHT / 2) + sizeof(struct fpi_frame)); @@ -579,66 +564,57 @@ static void capture_read_strip_cb(struct libusb_transfer *transfer) stripe->delta_y = 0; stripdata = stripe->data; memcpy(stripdata, data + 1, FRAME_WIDTH * (FRAME_HEIGHT / 2)); - aesdev->strips = g_slist_prepend(aesdev->strips, stripe); - aesdev->strips_len++; - aesdev->blanks_count = 0; - } + self->strips = g_slist_prepend(self->strips, stripe); + self->strips_len++; + self->blanks_count = 0; + } else { + /* FIXME: 0 might be too low as a threshold */ + /* FIXME: sometimes we get 0 in the middle of a scan, should we wait for + * a few consecutive zeroes? */ - if (sum < 0) { - fpi_ssm_mark_failed(ssm, sum); - goto out; - } - fp_dbg("sum=%d", sum); - - /* FIXME: 0 might be too low as a threshold */ - /* FIXME: sometimes we get 0 in the middle of a scan, should we wait for - * a few consecutive zeroes? */ - - /* If sum is 0 for a reasonable # of frames, finger has been removed */ - if (sum == 0) { - aesdev->blanks_count++; + /* sum cannot be negative, so is 0 */ + self->blanks_count++; fp_dbg("got blank frame"); } + /* use histogram data above for gain calibration (0xbd, 0xbe, 0x29 and 0x2A ) */ adjust_gain(data, GAIN_STATUS_NORMAL); /* stop capturing if MAX_FRAMES is reached */ - if (aesdev->blanks_count > 10 || g_slist_length(aesdev->strips) >= MAX_FRAMES) { - struct fp_img *img; + if (self->blanks_count > 10 || g_slist_length(self->strips) >= MAX_FRAMES) { + FpImage *img; - fp_dbg("sending stop capture.... blanks=%d frames=%d", aesdev->blanks_count, g_slist_length(aesdev->strips)); + fp_dbg("sending stop capture.... blanks=%d frames=%d", + self->blanks_count, g_slist_length(self->strips)); /* send stop capture bits */ aes_write_regv(dev, capture_stop, G_N_ELEMENTS(capture_stop), stub_capture_stop_cb, NULL); - aesdev->strips = g_slist_reverse(aesdev->strips); - fpi_do_movement_estimation(&assembling_ctx, aesdev->strips, aesdev->strips_len); - img = fpi_assemble_frames(&assembling_ctx, aesdev->strips, aesdev->strips_len); - img->flags |= FP_IMG_PARTIAL; - g_slist_free_full(aesdev->strips, g_free); - aesdev->strips = NULL; - aesdev->strips_len = 0; - aesdev->blanks_count = 0; - fpi_imgdev_image_captured(dev, img); - fpi_imgdev_report_finger_status(dev, FALSE); + self->strips = g_slist_reverse(self->strips); + fpi_do_movement_estimation(&assembling_ctx, self->strips, + self->strips_len); + img = fpi_assemble_frames(&assembling_ctx, self->strips, + self->strips_len); + + g_slist_free_full(self->strips, g_free); + self->strips = NULL; + self->strips_len = 0; + self->blanks_count = 0; + fpi_image_device_image_captured(dev, img); + fpi_image_device_report_finger_status(dev, FALSE); /* marking machine complete will re-trigger finger detection loop */ - fpi_ssm_mark_completed(ssm); + fpi_ssm_mark_completed(transfer->ssm); /* Acquisition finished: restore default gain values */ restore_gain(); } else { /* obtain next strip */ - fpi_ssm_jump_to_state(ssm, CAPTURE_REQUEST_STRIP); + fpi_ssm_jump_to_state(transfer->ssm, CAPTURE_REQUEST_STRIP); } - -out: - g_free(data); - libusb_free_transfer(transfer); } -static void capture_run_state(fpi_ssm *ssm, struct fp_dev *_dev, void *user_data) +static void capture_run_state(FpiSsm *ssm, FpDevice *_dev, void *user_data) { - struct fp_img_dev *dev = user_data; - struct aes1610_dev *aesdev = FP_INSTANCE_DATA(_dev); - int r; + FpImageDevice *dev = user_data; + FpiDeviceAes1610 *self = FPI_DEVICE_AES1610(_dev); switch (fpi_ssm_get_cur_state(ssm)) { case CAPTURE_WRITE_REQS: @@ -652,56 +628,56 @@ static void capture_run_state(fpi_ssm *ssm, struct fp_dev *_dev, void *user_data break; case CAPTURE_REQUEST_STRIP: fp_dbg("request strip"); - if (aesdev->deactivating) + if (self->deactivating) fpi_ssm_mark_completed(ssm); else aes_write_regv(dev, strip_scan_reqs, G_N_ELEMENTS(strip_scan_reqs), generic_write_regv_cb, ssm); break; case CAPTURE_READ_STRIP: ; - struct libusb_transfer *transfer = fpi_usb_alloc(); - unsigned char *data; + FpiUsbTransfer *transfer = fpi_usb_transfer_new(_dev); - data = g_malloc(STRIP_CAPTURE_LEN); - libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_IN, data, STRIP_CAPTURE_LEN, - capture_read_strip_cb, ssm, BULK_TIMEOUT); - - r = libusb_submit_transfer(transfer); - if (r < 0) { - g_free(data); - libusb_free_transfer(transfer); - fpi_ssm_mark_failed(ssm, r); - } + fpi_usb_transfer_fill_bulk (transfer, EP_IN, STRIP_CAPTURE_LEN); + transfer->ssm = ssm; + transfer->short_is_error = TRUE; + fpi_usb_transfer_submit(transfer, BULK_TIMEOUT, NULL, + capture_read_strip_cb, NULL); + fpi_usb_transfer_unref(transfer); break; }; } -static void capture_sm_complete(fpi_ssm *ssm, struct fp_dev *_dev, void *user_data) +static void capture_sm_complete(FpiSsm *ssm, FpDevice *_dev, void *user_data, + GError *error) { - struct fp_img_dev *dev = user_data; - struct aes1610_dev *aesdev = FP_INSTANCE_DATA(_dev); + FpImageDevice *dev = user_data; + FpiDeviceAes1610 *self = FPI_DEVICE_AES1610(_dev); G_DEBUG_HERE(); - if (aesdev->deactivating) + if (self->deactivating) { complete_deactivation(dev); - else if (fpi_ssm_get_error(ssm)) - fpi_imgdev_session_error(dev, fpi_ssm_get_error(ssm)); - else + if (error) + g_error_free (error); + } else if (error) { + fpi_image_device_session_error(dev, error); + } else { start_finger_detection(dev); + } fpi_ssm_free(ssm); } -static void start_capture(struct fp_img_dev *dev) +static void start_capture(FpImageDevice *dev) { - struct aes1610_dev *aesdev = FP_INSTANCE_DATA(FP_DEV(dev)); - fpi_ssm *ssm; + FpiDeviceAes1610 *self = FPI_DEVICE_AES1610(dev); + FpiSsm *ssm; - if (aesdev->deactivating) { + if (self->deactivating) { complete_deactivation(dev); return; } - ssm = fpi_ssm_new(FP_DEV(dev), capture_run_state, CAPTURE_NUM_STATES, dev); + ssm = fpi_ssm_new(FP_DEVICE(dev), capture_run_state, + CAPTURE_NUM_STATES, dev); G_DEBUG_HERE(); fpi_ssm_start(ssm, capture_sm_complete); } @@ -723,9 +699,9 @@ enum activate_states { ACTIVATE_NUM_STATES, }; -static void activate_run_state(fpi_ssm *ssm, struct fp_dev *_dev, void *user_data) +static void activate_run_state(FpiSsm *ssm, FpDevice *_dev, void *user_data) { - struct fp_img_dev *dev = user_data; + FpImageDevice *dev = user_data; /* activation on aes1610 seems much more straightforward compared to aes2501 */ /* verify there's anything missing here */ @@ -738,100 +714,98 @@ static void activate_run_state(fpi_ssm *ssm, struct fp_dev *_dev, void *user_dat } /* jump to finger detection */ -static void activate_sm_complete(fpi_ssm *ssm, struct fp_dev *_dev, void *user_data) +static void activate_sm_complete(FpiSsm *ssm, FpDevice *_dev, + void *user_data, GError *error) { - struct fp_img_dev *dev = user_data; - fp_dbg("status %d", fpi_ssm_get_error(ssm)); - fpi_imgdev_activate_complete(dev, fpi_ssm_get_error(ssm)); + FpImageDevice *dev = user_data; + fpi_image_device_activate_complete(dev, error); - if (!fpi_ssm_get_error(ssm)) + if (!error) start_finger_detection(dev); fpi_ssm_free(ssm); } -static int dev_activate(struct fp_img_dev *dev) +static void dev_activate(FpImageDevice *dev) { - struct aes1610_dev *aesdev = FP_INSTANCE_DATA(FP_DEV(dev)); - fpi_ssm *ssm = fpi_ssm_new(FP_DEV(dev), activate_run_state, - ACTIVATE_NUM_STATES, dev); - aesdev->read_regs_retry_count = 0; + FpiDeviceAes1610 *self = FPI_DEVICE_AES1610(dev); + FpiSsm *ssm = fpi_ssm_new(FP_DEVICE(dev), activate_run_state, + ACTIVATE_NUM_STATES, dev); + self->read_regs_retry_count = 0; fpi_ssm_start(ssm, activate_sm_complete); - return 0; } -static void dev_deactivate(struct fp_img_dev *dev) +static void dev_deactivate(FpImageDevice *dev) { - struct aes1610_dev *aesdev = FP_INSTANCE_DATA(FP_DEV(dev)); + FpiDeviceAes1610 *self = FPI_DEVICE_AES1610(dev); /* FIXME: audit cancellation points, probably need more, specifically * in error handling paths? */ - aesdev->deactivating = TRUE; + self->deactivating = TRUE; } -static void complete_deactivation(struct fp_img_dev *dev) +static void complete_deactivation(FpImageDevice *dev) { - struct aes1610_dev *aesdev = FP_INSTANCE_DATA(FP_DEV(dev)); + FpiDeviceAes1610 *self = FPI_DEVICE_AES1610(dev); G_DEBUG_HERE(); /* FIXME: if we're in the middle of a scan, we should cancel the scan. * maybe we can do this with a master reset, unconditionally? */ - aesdev->deactivating = FALSE; - g_slist_free(aesdev->strips); - aesdev->strips = NULL; - aesdev->strips_len = 0; - aesdev->blanks_count = 0; - fpi_imgdev_deactivate_complete(dev); + self->deactivating = FALSE; + g_slist_free(self->strips); + self->strips = NULL; + self->strips_len = 0; + self->blanks_count = 0; + fpi_image_device_deactivate_complete(dev, NULL); } -static int dev_init(struct fp_img_dev *dev, unsigned long driver_data) +static void dev_init(FpImageDevice *dev) { + GError *error = NULL; /* FIXME check endpoints */ - int r; - struct aes1610_dev *aesdev; - r = libusb_claim_interface(fpi_dev_get_usb_dev(FP_DEV(dev)), 0); - if (r < 0) { - fp_err("could not claim interface 0: %s", libusb_error_name(r)); - return r; + if (!g_usb_device_claim_interface(fpi_device_get_usb_device(FP_DEVICE(dev)), 0, 0, &error)) { + fpi_image_device_open_complete(dev, error); + return; } - aesdev = g_malloc0(sizeof(struct aes1610_dev)); - fp_dev_set_instance_data(FP_DEV(dev), aesdev); - fpi_imgdev_open_complete(dev, 0); - return 0; + fpi_image_device_open_complete(dev, NULL); } -static void dev_deinit(struct fp_img_dev *dev) +static void dev_deinit(FpImageDevice *dev) { - struct aes1610_dev *aesdev; - aesdev = FP_INSTANCE_DATA(FP_DEV(dev)); - g_free(aesdev); - libusb_release_interface(fpi_dev_get_usb_dev(FP_DEV(dev)), 0); - fpi_imgdev_close_complete(dev); + GError *error = NULL; + + g_usb_device_release_interface(fpi_device_get_usb_device(FP_DEVICE(dev)), + 0, 0, &error); + fpi_image_device_close_complete(dev, error); } -static const struct usb_id id_table[] = { - { .vendor = 0x08ff, .product = 0x1600 }, /* AES1600 */ - { 0, 0, 0, }, +static const FpIdEntry id_table [ ] = { + { .vid = 0x08ff, .pid = 0x1600, + }, /* AES1600 */ + { .vid = 0, .pid = 0, .driver_data = 0 }, }; -struct fp_img_driver aes1610_driver = { - .driver = { - .id = AES1610_ID, - .name = FP_COMPONENT, - .full_name = "AuthenTec AES1610", - .id_table = id_table, - .scan_type = FP_SCAN_TYPE_SWIPE, - }, - .flags = 0, - .img_height = -1, - .img_width = IMAGE_WIDTH, +static void fpi_device_aes1610_init(FpiDeviceAes1610 *self) { +} +static void fpi_device_aes1610_class_init(FpiDeviceAes1610Class *klass) { + FpDeviceClass *dev_class = FP_DEVICE_CLASS(klass); + FpImageDeviceClass *img_class = FP_IMAGE_DEVICE_CLASS(klass); - .bz3_threshold = 20, + dev_class->id = "aes1610"; + dev_class->full_name = "AuthenTec AES1610"; + dev_class->type = FP_DEVICE_TYPE_USB; + dev_class->id_table = id_table; + dev_class->scan_type = FP_SCAN_TYPE_SWIPE; - .open = dev_init, - .close = dev_deinit, - .activate = dev_activate, - .deactivate = dev_deactivate, -}; + img_class->img_open = dev_init; + img_class->img_close = dev_deinit; + img_class->activate = dev_activate; + img_class->deactivate = dev_deactivate; + + img_class->bz3_threshold = 20; + + img_class->img_width = IMAGE_WIDTH; + img_class->img_height = -1; +} diff --git a/meson.build b/meson.build index 570d701b..f4597110 100644 --- a/meson.build +++ b/meson.build @@ -51,7 +51,7 @@ mathlib_dep = cc.find_library('m', required: false) drivers = get_option('drivers').split(',') virtual_drivers = [ 'virtual_image' ] #default_drivers = [ 'upekts', 'upektc', 'upeksonly', 'vcom5s', 'uru4000', 'aes1610', 'aes1660', 'aes2501', 'aes2550', 'aes2660', 'aes3500', 'aes4000', 'vfs101', 'vfs301', 'vfs5011', 'upektc_img', 'etes603', 'vfs0050', 'elan' ] -default_drivers = [ 'upektc_img', 'vfs5011', 'aes3500', 'aes4000' ] +default_drivers = [ 'upektc_img', 'vfs5011', 'aes3500', 'aes4000', 'aes1610' ] all_drivers = default_drivers + virtual_drivers