usrp2: firmware should reset dsp on icmp pkt

1) This should kill any streaming,
the previous calls would just stop continuous streaming

2) The breaks were changed to returns
to avoid reprogramming the framer.

1 files changed, 7 insertions, 11 deletions

diff --git a/firmware/zpu/apps/txrx_uhd.c b/firmware/zpu/apps/txrx_uhd.c
index f9eedfc7d..8cc108f9d 100644
--- a/firmware/zpu/apps/txrx_uhd.c
+++ b/firmware/zpu/apps/txrx_uhd.c
@@ -54,23 +54,19 @@ static void handle_udp_data_packet(
     //handle ICMP destination unreachable
     if (payload == NULL) switch(src.port){
     case USRP2_UDP_RX_DSP0_PORT:
-        //the end continuous streaming command
-        sr_rx_ctrl0->cmd = 1 << 31 | 1 << 28; //no samples now
-        sr_rx_ctrl0->time_secs = 0;
-        sr_rx_ctrl0->time_ticks = 0; //latch the command
-        break;
+        //reset dsp to stop streaming
+        sr_rx_ctrl0->clear = 1;
+        return;
 
     case USRP2_UDP_RX_DSP1_PORT:
-        //the end continuous streaming command
-        sr_rx_ctrl1->cmd = 1 << 31 | 1 << 28; //no samples now
-        sr_rx_ctrl1->time_secs = 0;
-        sr_rx_ctrl1->time_ticks = 0; //latch the command
-        break;
+        //reset dsp to stop streaming
+        sr_rx_ctrl1->clear = 1;
+        return;
 
     case USRP2_UDP_TX_DSP0_PORT:
         //end async update packets per second
         sr_tx_ctrl->cyc_per_up = 0;
-        break;
+        return;
 
     default: return;
     }