From e19fbc996e240c0222409ac2b51a44645f7caf89 Mon Sep 17 00:00:00 2001
From: Atis Elsts <atis.elsts@gmail.com>
Date: Mon, 25 Apr 2016 19:10:38 +0300
Subject: [PATCH] cc26xx: use CMD_IEEE_MOD_FILT to change address filtering
 instead of fully restarting the radio

---
 cpu/cc26xx-cc13xx/rf-core/ieee-mode.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/cpu/cc26xx-cc13xx/rf-core/ieee-mode.c b/cpu/cc26xx-cc13xx/rf-core/ieee-mode.c
index 9cc614433..03c4ab2fc 100644
--- a/cpu/cc26xx-cc13xx/rf-core/ieee-mode.c
+++ b/cpu/cc26xx-cc13xx/rf-core/ieee-mode.c
@@ -631,6 +631,11 @@ init_rf_params(void)
 
   cmd->endTrigger.triggerType = TRIG_NEVER;
   cmd->endTime = 0x00000000;
+
+  /* set address filter command */
+  filter_cmd.commandNo = CMD_IEEE_MOD_FILT;
+  memcpy(&filter_cmd.newFrameFiltOpt, &cmd->frameFiltOpt, sizeof(cmd->frameFiltOpt));
+  memcpy(&filter_cmd.newFrameTypes, &cmd->frameTypes, sizeof(cmd->frameTypes));
 }
 /*---------------------------------------------------------------------------*/
 static int
@@ -1355,9 +1360,9 @@ get_value(radio_param_t param, radio_value_t *value)
 static radio_result_t
 set_value(radio_param_t param, radio_value_t value)
 {
-  uint8_t was_off = 0;
   radio_result_t rv = RADIO_RESULT_OK;
   rfc_CMD_IEEE_RX_t *cmd = (rfc_CMD_IEEE_RX_t *)cmd_ieee_rx_buf;
+  uint8_t old_poll_mode;
 
   switch(param) {
   case RADIO_PARAM_POWER_MODE:
@@ -1411,7 +1416,20 @@ set_value(radio_param_t param, radio_value_t value)
     cmd->frameFiltOpt.bPanCoord = 0;
     cmd->frameFiltOpt.bStrictLenFilter = 0;
 
+    old_poll_mode = poll_mode;
     poll_mode = (value & RADIO_RX_MODE_POLL_MODE) != 0;
+    if(poll_mode == old_poll_mode) {
+      uint32_t cmd_status;
+
+      /* do not turn the radio on and off, just send an update command */
+      memcpy(&filter_cmd.newFrameFiltOpt, &cmd->frameFiltOpt, sizeof(cmd->frameFiltOpt));
+
+      if(rf_core_send_cmd((uint32_t)&filter_cmd, &cmd_status) == RF_CORE_CMD_ERROR) {
+        PRINTF("setting address filter failed: CMDSTA=0x%08lx\n", cmd_status);
+        return RADIO_RESULT_ERROR;
+      }
+      return RADIO_RESULT_OK;
+    }
     break;
   }
   case RADIO_PARAM_TXPOWER: