From a239e1359a7d47fb0d4a08b91be7a5cd0a806c44 Mon Sep 17 00:00:00 2001
From: panfeng <panfeng@espressif.com>
Date: Wed, 31 Jan 2018 19:32:53 +0800
Subject: [PATCH] bugfix(rmt): tx cmd without negative coding

---
 examples/peripherals/rmt_nec_tx_rx/main/infrared_nec_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/peripherals/rmt_nec_tx_rx/main/infrared_nec_main.c b/examples/peripherals/rmt_nec_tx_rx/main/infrared_nec_main.c
index 6f58966878..ae20b070f2 100644
--- a/examples/peripherals/rmt_nec_tx_rx/main/infrared_nec_main.c
+++ b/examples/peripherals/rmt_nec_tx_rx/main/infrared_nec_main.c
@@ -338,7 +338,7 @@ static void rmt_example_nec_tx_task()
         int i, offset = 0;
         while(1) {
             //To build a series of waveforms.
-            i = nec_build_items(channel, item + offset, item_num - offset, ((~addr) << 8) | addr, cmd);
+            i = nec_build_items(channel, item + offset, item_num - offset, ((~addr) << 8) | addr, ((~cmd) << 8) |  cmd);
             if(i < 0) {
                 break;
             }