From b0ad49a7b57b8e567d84e99e37033506af2678cb Mon Sep 17 00:00:00 2001
From: root <root@lamia.panaceas.james.local>
Date: Fri, 4 Sep 2015 10:30:45 +0100
Subject: noresp writes are ignored by dfu firmware

---
 ble.c    | 15 +++++++++++++--
 dfu.c    |  3 +++
 nrfdfu.c |  1 +
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/ble.c b/ble.c
index 24871b9..5de6993 100644
--- a/ble.c
+++ b/ble.c
@@ -553,13 +553,13 @@ ble_send_cp (BLE * ble, uint8_t * buf, size_t len)
 }
 
 
-
 int
 ble_send_cp_noresp (BLE * ble, uint8_t * buf, size_t len)
 {
-  printf ("Sending control:\n");
+  printf ("Sending control (but ignoring error):\n");
   hexdump (buf, len);
 
+#if 0
   if (!bt_gatt_client_write_without_response
       (ble->gatt, ble->cp_handle, false, buf, len))
     {
@@ -567,6 +567,17 @@ ble_send_cp_noresp (BLE * ble, uint8_t * buf, size_t len)
       return EXIT_FAILURE;
     }
   return EXIT_SUCCESS;
+#else
+  if (!bt_gatt_client_write_value (ble->gatt, ble->cp_handle, buf, len,
+                                   write_cb, ble, NULL))
+    {
+      printf ("Failed to initiate write procedure\n");
+      return EXIT_FAILURE;
+    }
+
+  mainloop_run ();
+  return EXIT_SUCCESS;
+#endif
 }
 
 
diff --git a/dfu.c b/dfu.c
index 4dedc08..7a72e9a 100644
--- a/dfu.c
+++ b/dfu.c
@@ -217,6 +217,9 @@ dfu (const char *bdaddr, const char *type, const char *version, uint8_t * dat,
         break;
 #endif
 
+      buf[0] = OP_CODE_IMAGE_SIZE_REQ;
+      ble_send_cp (b, buf, 1);
+
       ble_wait_setup (b, OP_CODE_VALIDATE);
       buf[0] = OP_CODE_VALIDATE;
       if (ble_send_cp (b, buf, 1))
diff --git a/nrfdfu.c b/nrfdfu.c
index 81d94da..c46a42d 100644
--- a/nrfdfu.c
+++ b/nrfdfu.c
@@ -76,6 +76,7 @@ main (int argc, char *argv[])
       if (!dfu
           (bdaddr, m->type, m->dfu_version, dat, dat_size, bin, bin_size))
         return EXIT_SUCCESS;
+	sleep(3);
     }
 
 
-- 
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