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-rw-r--r--firmware/microblaze/lib/net_common.c11
-rw-r--r--firmware/microblaze/usrp2/memory_map.h3
2 files changed, 13 insertions, 1 deletions
diff --git a/firmware/microblaze/lib/net_common.c b/firmware/microblaze/lib/net_common.c
index 6c9509c92..0efb26639 100644
--- a/firmware/microblaze/lib/net_common.c
+++ b/firmware/microblaze/lib/net_common.c
@@ -291,8 +291,17 @@ handle_icmp_packet(struct ip_addr src, struct ip_addr dst,
{
switch (icmp->type){
case ICMP_DUR: // Destinatino Unreachable
- //stop_streaming(); //FIXME
if (icmp->code == ICMP_DUR_PORT){ // port unreachable
+ //handle destination port unreachable (the host ctrl+c'd the app):
+
+ //end async update packets per second
+ sr_tx_ctrl->cyc_per_up = 0;
+
+ //the end continuous streaming command
+ sr_rx_ctrl->cmd = (1 << 31) | 1; //one sample, asap
+ sr_rx_ctrl->time_secs = 0;
+ sr_rx_ctrl->time_ticks = 0; //latch the command
+
//struct udp_hdr *udp = (struct udp_hdr *)((char *)icmp + 28);
//printf("icmp port unr %d\n", udp->dest);
putchar('i');
diff --git a/firmware/microblaze/usrp2/memory_map.h b/firmware/microblaze/usrp2/memory_map.h
index 41a2820bc..e7f41bc8d 100644
--- a/firmware/microblaze/usrp2/memory_map.h
+++ b/firmware/microblaze/usrp2/memory_map.h
@@ -463,6 +463,9 @@ typedef struct {
typedef struct {
volatile uint32_t num_chan;
volatile uint32_t clear_state; // clears out state machine, fifos,
+ volatile uint32_t report_sid;
+ volatile uint32_t policy;
+ volatile uint32_t cyc_per_up;
} sr_tx_ctrl_t;
#define sr_tx_ctrl ((sr_tx_ctrl_t *) _SR_ADDR(SR_TX_CTRL))