From 730dcdea440a8ddf7cc205b47f4dfc39516fdd4c Mon Sep 17 00:00:00 2001
From: Matias Fontanini <matias.fontanini@gmail.com>
Date: Tue, 23 Aug 2011 12:01:59 -0300
Subject: [PATCH] Added Utils::channel_to_mhz to convert channel to mhz
 frequency.

---
 include/utils.h | 9 ++++++++-
 src/utils.cpp   | 4 ++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/include/utils.h b/include/utils.h
index 4ab9bed..ece8024 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -164,7 +164,14 @@ namespace Tins {
          * \param data_size The size of the input buffer.
          */
         uint32_t crc32(uint8_t* data, uint32_t data_size);
-
+        
+        /**
+         * \brief Converts a channel number to its mhz representation.
+         * \param channel The channel number.
+         * \return The channel's mhz representation.
+         */
+        uint16_t channel_to_mhz(uint16_t channel);
+        
         /** \brief Generic function to iterate through interface and collect
          * data.
          *
diff --git a/src/utils.cpp b/src/utils.cpp
index 4c033de..adcc1ce 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -248,6 +248,10 @@ bool Tins::Utils::interface_id(const string &iface, uint32_t &id) {
     return (((int32_t)id) != -1);
 }
 
+uint16_t Tins::Utils::channel_to_mhz(uint16_t channel) {
+    return 2407 + (channel * 5);
+}
+
 uint32_t Tins::Utils::crc32(uint8_t* data, uint32_t data_size) {
     uint32_t i, crc = 0;
     static uint32_t crc_table[] = {