From 7e1ec3056d1fdb6786c452ba6ed7e978355a98c2 Mon Sep 17 00:00:00 2001 From: Matthias Vogelgesang Date: Thu, 20 Oct 2011 17:25:53 +0200 Subject: Add: auto transfer property and readout function --- src/cameras/pco.c | 30 ++++++++++++++++++++++++++++-- src/uca-cam.h | 1 + src/uca.c | 11 +++++++++++ src/uca.h | 15 +++++++++++++++ test/grab.c | 2 +- 5 files changed, 56 insertions(+), 3 deletions(-) diff --git a/src/cameras/pco.c b/src/cameras/pco.c index e7ef365..cfaa573 100644 --- a/src/cameras/pco.c +++ b/src/cameras/pco.c @@ -90,6 +90,9 @@ static uint32_t uca_pco_set_property(struct uca_camera_priv *cam, enum uca_prope case UCA_PROP_DELAY: return uca_pco_set_delay(cam, (uint32_t *) data); + case UCA_PROP_GRAB_AUTO: + return pco_set_auto_transfer(GET_PCO(cam), *(uint32_t *) data); + case UCA_PROP_TRIGGER_MODE: /* XXX: We have a 1:1 mapping between UCA_TRIGGER_* and * TRIGGER_MODE_* @@ -224,6 +227,16 @@ static uint32_t uca_pco_get_property(struct uca_camera_priv *cam, enum uca_prope uca_set_void(data, uint32_t, 16); break; + case UCA_PROP_GRAB_AUTO: + { + int value = 0; + uint32_t err = pco_get_auto_transfer(pco, &value); + if (err != PCO_NOERROR) + return UCA_ERR_CAMERA | UCA_ERR_PROP | UCA_ERR_INVALID; + uca_set_void(data, uint32_t, value); + } + break; + case UCA_PROP_GRAB_TIMEOUT: { uint32_t timeout; @@ -278,14 +291,26 @@ static uint32_t uca_pco_grab(struct uca_camera_priv *cam, char *buffer, void *me return err; if (GET_PCO_DESC(cam)->type == CAMERATYPE_PCO_EDGE) - /* GET_PCO(cam)->reorder_image((uint16_t *) buffer, frame, cam->frame_width, cam->frame_height); */ - ; + pco_get_reorder_func(GET_PCO(cam))((uint16_t *) buffer, frame, cam->frame_width, cam->frame_height); else memcpy(buffer, (char *) frame, cam->frame_width * cam->frame_height * 2); return UCA_NO_ERROR; } +static uint32_t uca_pco_readout(struct uca_camera_priv *cam) +{ + uint16_t active_segment; + uint32_t num_images = 0; + pco_handle pco = GET_PCO(cam); + + /* TODO: error handling */ + pco_get_active_segment(pco, &active_segment); + pco_get_num_images(pco, active_segment, &num_images); + pco_read_images(pco, active_segment, 1, num_images); + return UCA_NO_ERROR; +} + static uint32_t uca_pco_register_callback(struct uca_camera_priv *cam, uca_cam_grab_callback callback, void *user) { if (cam->callback == NULL) { @@ -330,6 +355,7 @@ uint32_t uca_pco_init(struct uca_camera_priv **cam, struct uca_grabber_priv *gra uca->stop_recording = &uca_pco_stop_recording; uca->trigger = &uca_pco_trigger; uca->grab = &uca_pco_grab; + uca->readout = &uca_pco_readout; uca->register_callback = &uca_pco_register_callback; /* Prepare camera for recording */ diff --git a/src/uca-cam.h b/src/uca-cam.h index 8b6fc0d..1e51c6d 100644 --- a/src/uca-cam.h +++ b/src/uca-cam.h @@ -47,6 +47,7 @@ typedef struct uca_camera_priv { uint32_t (*trigger) (struct uca_camera_priv *cam); uint32_t (*register_callback) (struct uca_camera_priv *cam, uca_cam_grab_callback callback, void *user); uint32_t (*grab) (struct uca_camera_priv *cam, char *buffer, void *meta_data); + uint32_t (*readout) (struct uca_camera_priv *cam); struct uca_grabber_priv *grabber; /**< grabber associated with this camera */ enum uca_cam_state state; /**< camera state handled in uca.c */ diff --git a/src/uca.c b/src/uca.c index ec8ad07..191092c 100644 --- a/src/uca.c +++ b/src/uca.c @@ -86,6 +86,7 @@ static struct uca_property property_map[UCA_PROP_LAST+1] = { { "Gain.ADC.Step", uca_na, uca_uint32t, uca_read }, { "Grabber.Timeout", uca_s, uca_uint32t, uca_readwrite }, { "Grabber.Synchronous", uca_bool, uca_uint32t, uca_readwrite }, + { "Grabber.Auto", uca_bool, uca_uint32t, uca_readwrite }, { "Mode.Timestamp", uca_na, uca_uint32t, uca_readwrite }, { "Mode.Scan", uca_na, uca_uint32t, uca_readwrite }, { "Mode.Hotpixel", uca_na, uca_uint32t, uca_readwrite }, @@ -331,3 +332,13 @@ uint32_t uca_cam_grab(struct uca_camera *cam, char *buffer, void *meta_data) return priv->grab(priv, buffer, meta_data); } +uint32_t uca_cam_readout(struct uca_camera *cam) +{ + struct uca_camera_priv *priv = cam->priv; + if (priv->state == UCA_CAM_RECORDING) + return UCA_ERR_CAMERA | UCA_ERR_IS_RECORDING; + if (priv->readout == NULL) + return UCA_ERR_CAMERA | UCA_ERR_NOT_IMPLEMENTED; + return priv->readout(priv); +} + diff --git a/src/uca.h b/src/uca.h index e1e0ae1..03d0f4f 100644 --- a/src/uca.h +++ b/src/uca.h @@ -108,6 +108,7 @@ enum uca_property_ids { /* grabber specific */ UCA_PROP_GRAB_TIMEOUT, UCA_PROP_GRAB_SYNCHRONOUS, + UCA_PROP_GRAB_AUTO, /* pco.edge specific */ UCA_PROP_TIMESTAMP_MODE, @@ -295,6 +296,7 @@ extern const char *uca_unit_map[]; /**< maps unit numbers to corresponding #define UCA_ERR_NOT_RECORDING 0x10000008 #define UCA_ERR_FRAME_TRANSFER 0x10000009 #define UCA_ERR_ALREADY_REGISTERED 0x1000000A +#define UCA_ERR_NOT_IMPLEMENTED 0x1000000B struct uca_camera_priv; /** @@ -462,6 +464,19 @@ uint32_t uca_cam_register_callback(struct uca_camera *cam, uca_cam_grab_callback */ uint32_t uca_cam_grab(struct uca_camera *cam, char *buffer, void *meta_data); +/** + * \brief Initiate read out for recording based cameras like pco.dimax or + * Photron SAx + * + * This function merely starts read out and requires that recording has stopped + * with uca_cam_stop_recording. To retrieve the image data, you have still have + * to use uca_cam_grab. + * + * \param[in] cam A uca_camera object + * \return Error code + */ +uint32_t uca_cam_readout(struct uca_camera *cam); + #define uca_set_void(p, type, value) { *((type *) p) = (type) value; } #ifdef __cplusplus diff --git a/test/grab.c b/test/grab.c index 6ade84a..59a4fb3 100644 --- a/test/grab.c +++ b/test/grab.c @@ -54,7 +54,7 @@ int main(int argc, char *argv[]) int counter = 0; while ((error == UCA_NO_ERROR) && (counter < 20)) { - handle_error(uca_cam_grab(cam, (char *) buffer, NULL)); + error = uca_cam_grab(cam, (char *) buffer, NULL); snprintf(filename, FILENAME_MAX, "frame-%08i.raw", counter++); FILE *fp = fopen(filename, "wb"); fwrite(buffer, width*height, pixel_size, fp); -- cgit v1.2.3