From 3dd244bb9f17c7641f4a60b4e10f5978382432df Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Sun, 17 Jun 2012 17:58:18 -0700
Subject: usrp2: created fw peek/poke functions

---
 host/lib/usrp/usrp2/usrp2_iface.cpp | 20 +++++++++++++++-----
 host/lib/usrp/usrp2/usrp2_iface.hpp |  8 +++++++-
 2 files changed, 22 insertions(+), 6 deletions(-)

(limited to 'host/lib/usrp/usrp2')

diff --git a/host/lib/usrp/usrp2/usrp2_iface.cpp b/host/lib/usrp/usrp2/usrp2_iface.cpp
index 7c26e2e71..316e38da8 100644
--- a/host/lib/usrp/usrp2/usrp2_iface.cpp
+++ b/host/lib/usrp/usrp2/usrp2_iface.cpp
@@ -122,12 +122,12 @@ public:
 
     void lock_device(bool lock){
         if (lock){
-            this->get_reg<boost::uint32_t, USRP2_REG_ACTION_FW_POKE32>(U2_FW_REG_LOCK_GPID, boost::uint32_t(get_gpid()));
+            this->pokefw(U2_FW_REG_LOCK_GPID, boost::uint32_t(get_gpid()));
             _lock_task = task::make(boost::bind(&usrp2_iface_impl::lock_task, this));
         }
         else{
             _lock_task.reset(); //shutdown the task
-            this->get_reg<boost::uint32_t, USRP2_REG_ACTION_FW_POKE32>(U2_FW_REG_LOCK_TIME, 0); //unlock
+            this->pokefw(U2_FW_REG_LOCK_TIME, 0); //unlock
         }
     }
 
@@ -135,8 +135,8 @@ public:
         //never assume lock with fpga image mismatch
         if ((this->peek32(U2_REG_COMPAT_NUM_RB) >> 16) != USRP2_FPGA_COMPAT_NUM) return false;
 
-        boost::uint32_t lock_time = this->get_reg<boost::uint32_t, USRP2_REG_ACTION_FW_PEEK32>(U2_FW_REG_LOCK_TIME);
-        boost::uint32_t lock_gpid = this->get_reg<boost::uint32_t, USRP2_REG_ACTION_FW_PEEK32>(U2_FW_REG_LOCK_GPID);
+        boost::uint32_t lock_time = this->peekfw(U2_FW_REG_LOCK_TIME);
+        boost::uint32_t lock_gpid = this->peekfw(U2_FW_REG_LOCK_GPID);
 
         //may not be the right tick rate, but this is ok for locking purposes
         const boost::uint32_t lock_timeout_time = boost::uint32_t(3*100e6);
@@ -152,7 +152,7 @@ public:
 
     void lock_task(void){
         //re-lock in task
-        this->get_reg<boost::uint32_t, USRP2_REG_ACTION_FW_POKE32>(U2_FW_REG_LOCK_TIME, this->get_curr_time());
+        this->pokefw(U2_FW_REG_LOCK_TIME, this->get_curr_time());
         //sleep for a bit
         boost::this_thread::sleep(boost::posix_time::milliseconds(1500));
     }
@@ -180,6 +180,16 @@ public:
         return this->get_reg<boost::uint16_t, USRP2_REG_ACTION_FPGA_PEEK16>(addr);
     }
 
+    void pokefw(wb_addr_type addr, boost::uint32_t data)
+    {
+        this->get_reg<boost::uint32_t, USRP2_REG_ACTION_FW_POKE32>(addr, data);
+    }
+
+    boost::uint32_t peekfw(wb_addr_type addr)
+    {
+        return this->get_reg<boost::uint32_t, USRP2_REG_ACTION_FW_PEEK32>(addr);
+    }
+
     template <class T, usrp2_reg_action_t action>
     T get_reg(wb_addr_type addr, T data = 0){
         //setup the out data
diff --git a/host/lib/usrp/usrp2/usrp2_iface.hpp b/host/lib/usrp/usrp2/usrp2_iface.hpp
index 95d899b7f..ed4de02d5 100644
--- a/host/lib/usrp/usrp2/usrp2_iface.hpp
+++ b/host/lib/usrp/usrp2/usrp2_iface.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2010-2011 Ettus Research LLC
+// Copyright 2010-2012 Ettus Research LLC
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -43,6 +43,12 @@ public:
      */
     static sptr make(uhd::transport::udp_simple::sptr ctrl_transport);
 
+    //! poke a register in the virtual fw table
+    virtual void pokefw(wb_addr_type addr, boost::uint32_t data) = 0;
+
+    //! peek a register in the virtual fw table
+    virtual boost::uint32_t peekfw(wb_addr_type addr) = 0;
+
     //! The list of possible revision types
     enum rev_type {
         USRP2_REV3 = 3,
-- 
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