From 9d2d4679e85f89923ea0884252ed6e2f421d8dae Mon Sep 17 00:00:00 2001
From: yabezsh <yabezsh@gmail.com>
Date: Fri, 21 Jul 2017 13:54:19 +0200
Subject: [PATCH] added function to split 12 bits command in high/low
 registers. rewrite read_salt for it

---
 Salt.cpp | 20 ++++++++++++++++----
 Salt.h   |  5 +++--
 2 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/Salt.cpp b/Salt.cpp
index 62265b3..54d7bc0 100644
--- a/Salt.cpp
+++ b/Salt.cpp
@@ -13,17 +13,29 @@ void Salt::find_device_address(int8_t high_reg_bits)
     this -> set_device_address(chip_id << 5 | high_reg_bits);
 }
 
-/*void Salt::read_salt(int8_t high_reg_bits, int8_t low_reg_bits, uint8_t* command)
+void Salt::read_salt(int8_t high_reg_bits, int8_t low_reg_bits, uint8_t* command)
 {
     this -> find_device_address(high_reg_bits);
     this -> get_bus_access();
     this -> read_buffer(low_reg_bits,command);
 }
-*/
+
 void Salt::read_salt(int8_t high_reg_bits, int8_t low_reg_bits, uint16_t* command){}
 void Salt::write_salt(int8_t high_reg_bits, int8_t low_reg_bits, uint16_t command) {}
 
-void Salt::read_salt(int16_t low_reg_bits, uint16_t* command){}
-void Salt::write_salt(int16_t low_reg_bits, uint16_t command) {}
+void Salt::read_salt(int16_t full_reg_bits, uint16_t* command)
+{
+	int8_t high_reg_bits,low_reg_bits;
+	this->split_register(full_reg_bits, &high_reg_bits, &high_reg_bits);
+	this->read_salt(high_reg_bits,low_reg_bits,command);
+
+}
+
+void Salt::split_register(int16_t full_reg_bits,int8_t* high_reg_bits,int8_t* low_reg_bits)
+{
+	*high_reg_bits = (full_reg_bits >> 8);
+        *low_reg_bits = full_reg_bits & 0xFF;
+}
+void Salt::write_salt(int16_t full_reg_bits, uint16_t command) {}
 
 //void Salt::write_salt(int8_t high_reg_bits, int8_t low_reg_bits, uint8_t command) {}
diff --git a/Salt.h b/Salt.h
index 2804ed6..7f3fbbb 100644
--- a/Salt.h
+++ b/Salt.h
@@ -8,12 +8,13 @@ class Salt : public I2C {
         Salt();
         ~Salt();
         void find_device_address(int8_t);
-//        void read_salt(int8_t, int8_t, uint8_t*);
+        void read_salt(int8_t, int8_t, uint8_t*);
 	void read_salt(int8_t, int8_t, uint16_t*);
         void read_salt(int16_t, uint16_t*);
-//        void write_salt(int8_t, int8_t, uint8_t);
+        void write_salt(int8_t, int8_t, uint8_t);
 	void write_salt(int8_t, int8_t, uint16_t);
         void write_salt(int16_t, uint16_t);
+	void split_register(int16_t, int8_t*,int8_t*);
     private:
         int8_t chip_id;