app dir changed and src dir removed

bs/cmds/scan.c

@@ -0,0 +1,39 @@
+
+#include <stdio.h>
+
+#include "scan.h"
+#include "common.h"
+
+const char cmd_scan_help[] = "Bla bla.";
+
+int scan(jtag_core *jc, int probe_id, int *ndevs, unsigned long ids[], int show) {
+    int err = JTAG_CORE_NO_ERROR;
+    int n = 0;
+    int i = 0;
+
+    if (0 != show) printf("Devices scan in progress...\n");
+
+    err = jtagcore_scan_and_init_chain(jc);
+    if (err < 0) {
+        if (0 != show) printf("Impossible to scan the JTAG chain");
+        return err;
+    }
+
+    n = jtagcore_get_number_of_devices(jc);
+    if (n < 0) {
+        if (0 != show) printf("Error while getting the number of devices on the chain.\n");
+        return err;
+    }
+    *ndevs = n;
+    for (i=0;i < MIN(n, DEVICES_SCAN_MAX);i++) {
+        ids[i] = jtagcore_get_dev_id(jc, i);
+        if (0 != show) printf("  device %d : 0x%08x\n", i, ids[i]);
+    }
+
+    if (0 != show) printf("Done.\n");
+    return err;
+}
+
+int cmd_scan(jtag_core *jc, int argc, char *argv[]) {
+
+}