Library for MAX5387 dual channel digi pot

Dependents:   MAX14871_Shield

Revision:
0:bc5ccbaf1650
Child:
1:f50b0fb1f7f6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/max5387.cpp	Mon Jul 20 02:42:50 2015 +0000
@@ -0,0 +1,110 @@
+/******************************************************************//**
+* @file max5387.h
+*
+* @author Justin Jordan
+*
+* @version 0.0
+*
+* Started: 18JUL15
+*
+* Updated: 
+*
+* @brief Header file for Max5387 class
+***********************************************************************
+* Copyright (C) 2015 Maxim Integrated Products, Inc., All Rights Reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a
+* copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation
+* the rights to use, copy, modify, merge, publish, distribute, sublicense,
+* and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+* OTHER DEALINGS IN THE SOFTWARE.
+*
+* Except as contained in this notice, the name of Maxim Integrated
+* Products, Inc. shall not be used except as stated in the Maxim Integrated
+* Products, Inc. Branding Policy.
+*
+* The mere transfer of this software does not imply any licenses
+* of trade secrets, proprietary technology, copyrights, patents,
+* trademarks, maskwork rights, or any other form of intellectual
+* property whatsoever. Maxim Integrated Products, Inc. retains all
+* ownership rights.
+**********************************************************************/
+
+
+#include "max5387.h"
+
+
+#define MAX5387_CMD_A  0x11
+#define MAX5387_CMD_B  0x12
+#define MAX5387_CMD_AB 0x13
+
+
+//*********************************************************************
+Max5387::Max5387(I2C *i2c_bus, max5387_i2c_adrs_t i2c_adrs): _p_i2c(i2c_bus)
+{
+    _i2c_owner = false;
+    
+    _w_adrs = (i2c_adrs << 1);
+    _p_i2c->frequency(400000);
+}
+  
+    
+//*********************************************************************
+Max5387::Max5387(PinName sda, PinName scl, max5387_i2c_adrs_t i2c_adrs)
+{
+    _p_i2c = new I2C(sda, scl);
+    _i2c_owner = true;
+    
+    _w_adrs = (i2c_adrs << 1);
+    _p_i2c->frequency(400000);
+}
+    
+
+//*********************************************************************  
+Max5387::~Max5387()
+{
+    if(_i2c_owner) 
+    {
+        delete _p_i2c;
+    }
+}
+    
+
+//********************************************************************* 
+int16_t Max5387::write_ch_A(uint8_t val)
+{
+    char data[] = {MAX5387_CMD_A, val};
+    
+    return(_p_i2c->write(_w_adrs, data, 2, false));
+}
+    
+
+//********************************************************************* 
+int16_t Max5387::write_ch_B(uint8_t val)
+{
+    char data[] = {MAX5387_CMD_B, val};
+    
+    return(_p_i2c->write(_w_adrs, data, 2, false));
+}
+    
+    
+//********************************************************************* 
+int16_t Max5387::write_ch_AB(uint8_t val)
+{
+    char data[] = {MAX5387_CMD_AB, val};
+    
+    return(_p_i2c->write(_w_adrs, data, 2, false));
+}
+    
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