From b9afd75110b1d8c6e7b96f3c2e12069b3f7efa2c Mon Sep 17 00:00:00 2001
From: Michael Black W9MDB <mdblack98@yahoo.com>
Date: Sat, 6 Mar 2021 08:47:00 -0600
Subject: [PATCH] Expire cache in set_ptt before get_ptt to ensure we read the
 real ptt status https://github.com/Hamlib/Hamlib/issues/587

---
 src/rig.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/rig.c b/src/rig.c
index b74f6a502..64615b13c 100644
--- a/src/rig.c
+++ b/src/rig.c
@@ -2546,6 +2546,9 @@ int HAMLIB_API rig_set_ptt(RIG *rig, vfo_t vfo, ptt_t ptt)
 
                 if (retcode != RIG_OK) { RETURNFUNC(retcode); }
 
+                // don't use the cached value
+                elapsed_ms(&rig->state.cache.time_ptt, HAMLIB_ELAPSED_INVALIDATE);
+
                 tptt = -1;
                 // IC-9700 is failing on get_ptt right after set_ptt in split mode
                 retcode = rig_get_ptt(rig, vfo, &tptt);