From 8f423c26d04db1285e1f7c2ff395ccf62fe2e3b4 Mon Sep 17 00:00:00 2001
From: Glenn Ruben Bakke <glennbakke@gmail.com>
Date: Sun, 14 May 2017 19:04:49 +0200
Subject: [PATCH] nrf5/modules/ubluepy: Pass on buffer to write in
 characteristic write central mode.

---
 nrf5/modules/ubluepy/ubluepy_characteristic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/nrf5/modules/ubluepy/ubluepy_characteristic.c b/nrf5/modules/ubluepy/ubluepy_characteristic.c
index 2a33bee8f7..18b58809f3 100644
--- a/nrf5/modules/ubluepy/ubluepy_characteristic.c
+++ b/nrf5/modules/ubluepy/ubluepy_characteristic.c
@@ -139,8 +139,8 @@ STATIC mp_obj_t char_write(mp_obj_t self_in, mp_obj_t data) {
 #if MICROPY_PY_UBLUEPY_CENTRAL
         ble_drv_attr_c_write(self->p_service->p_periph->conn_handle,
                              self->handle,
-                             0,
-                             NULL);
+                             bufinfo.len,
+                             bufinfo.buf);
 #endif
     }
     return mp_const_none;