Diff: MAX30003.cpp

Revision:

0:5d58c707f629

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MAX30003.cpp	Fri May 12 00:10:42 2017 +0000
@@ -0,0 +1,76 @@
+/*******************************************************************************
+ * Copyright (C) 2017 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 "MAX30003.h"
+ 
+ 
+//****************************************************************************
+MAX30003::MAX30003(SPI &spiBus, PinName cs):
+m_spiBus(spiBus), m_cs(cs, 1)
+{
+    //empty block
+}
+
+//****************************************************************************
+MAX30003::~MAX30003()
+{
+    //empty block
+}
+
+//****************************************************************************
+uint32_t MAX30003::readRegister(const Registers_e reg)
+{
+    uint32_t data = 0;
+    
+    m_cs = 0;
+    m_spiBus.write((reg << 1) | 1);
+    data |= (m_spiBus.write(0xFF) << 16);
+    data |= (m_spiBus.write(0xFF) << 8);
+    data |= m_spiBus.write(0xFF);
+    m_cs = 1;
+    
+    return data;
+}
+
+//****************************************************************************    
+void MAX30003::writeRegister(const Registers_e reg, const uint32_t data)
+{
+    m_cs = 0;
+    m_spiBus.write(reg << 1);
+    m_spiBus.write((0x00FF0000 & data) >> 16);
+    m_spiBus.write((0x0000FF00 & data) >> 8);
+    m_spiBus.write( 0x000000FF & data);
+    m_cs = 1;
+}
+ 
\ No newline at end of file