usrp2: increased transport buffer minimum size, and added warning

added more notes on buffer size to the manual

pulled in some firmware fixes from the mimo work, just to have them in here

1 files changed, 4 insertions, 4 deletions

diff --git a/firmware/microblaze/apps/txrx_uhd.c b/firmware/microblaze/apps/txrx_uhd.c
index 45e5ff5fe..21803b199 100644
--- a/firmware/microblaze/apps/txrx_uhd.c
+++ b/firmware/microblaze/apps/txrx_uhd.c
@@ -177,7 +177,7 @@ void handle_udp_ctrl_packet(
     unsigned char *payload, int payload_len
 ){
     //printf("Got ctrl packet #words: %d\n", (int)payload_len);
-    usrp2_ctrl_data_t *ctrl_data_in = (usrp2_ctrl_data_t *)payload;
+    const usrp2_ctrl_data_t *ctrl_data_in = (usrp2_ctrl_data_t *)payload;
     uint32_t ctrl_data_in_id = ctrl_data_in->id;
 
     //ensure that the protocol versions match
@@ -288,15 +288,15 @@ void handle_udp_ctrl_packet(
     case USRP2_CTRL_ID_PEEK_AT_THIS_REGISTER_FOR_ME_BRO:
         switch(ctrl_data_in->data.poke_args.num_bytes){
         case sizeof(uint32_t):
-            ctrl_data_in->data.poke_args.data = *((uint32_t *) ctrl_data_in->data.poke_args.addr);
+            ctrl_data_out.data.poke_args.data = *((uint32_t *) ctrl_data_in->data.poke_args.addr);
             break;
 
         case sizeof(uint16_t):
-            ctrl_data_in->data.poke_args.data = *((uint16_t *) ctrl_data_in->data.poke_args.addr);
+            ctrl_data_out.data.poke_args.data = *((uint16_t *) ctrl_data_in->data.poke_args.addr);
             break;
 
         case sizeof(uint8_t):
-            ctrl_data_in->data.poke_args.data = *((uint8_t *) ctrl_data_in->data.poke_args.addr);
+            ctrl_data_out.data.poke_args.data = *((uint8_t *) ctrl_data_in->data.poke_args.addr);
             break;
 
         }