Add grab example

1 files changed, 76 insertions, 0 deletions

diff --git a/test/enum.c b/test/enum.c
new file mode 100644
index 0000000..0649c64
--- /dev/null
+++ b/test/enum.c
@@ -0,0 +1,76 @@
+
+#include <stdio.h>
+#include "uca.h"
+#include "uca-cam.h"
+
+int count_dots(const char *s)
+{
+    int res = 0;
+    while (*(s++) != '\0')
+        if (*s == '.')
+            res++;
+    return res;
+}
+
+void print_level(int depth)
+{
+    for (int i = 0; i < depth; i++)
+        printf("|  ");
+    printf("`-- ");
+}
+
+int main(int argc, char *argv[])
+{
+    struct uca_t *uca = uca_init();
+    if (uca == NULL) {
+        printf("Couldn't find a camera\n");
+        return 1;
+    }
+
+    /* take first camera */
+    struct uca_camera_t *cam = uca->cameras;
+
+    char string_value[256];
+    uint32_t uint32_value;
+    uint8_t uint8_value;
+
+    const char *unit_map[] = {
+        "px", "bits", "ns", "µs", "ms", "s", "rows", "" 
+    };
+
+    while (cam != NULL) {
+        for (int i = 0; i < UCA_PROP_LAST; i++) {
+            struct uca_property_t *prop = uca_get_full_property(i);
+            print_level(count_dots(prop->name));
+            printf("%s = ", prop->name);
+            switch (prop->type) {
+                case uca_string:
+                    if (cam->get_property(cam, i, string_value) != UCA_ERR_PROP_INVALID) {
+                        printf("%s ", string_value);
+                    }
+                    else
+                        printf("n/a");
+                    break;
+                case uca_uint32t:
+                    if (cam->get_property(cam, i, &uint32_value) != UCA_ERR_PROP_INVALID) {
+                        printf("%i %s", uint32_value, unit_map[prop->unit]);
+                    }
+                    else
+                        printf("n/a");
+                    break;
+                case uca_uint8t:
+                    if (cam->get_property(cam, i, &uint8_value) != UCA_ERR_PROP_INVALID) {
+                        printf("%i %s", uint8_value, unit_map[prop->unit]);
+                    }
+                    else
+                        printf("n/a");
+                    break;
+            }
+            printf("\n");
+        }
+        cam = cam->next;
+    }
+    
+    uca_destroy(uca);
+    return 0;
+}