Diff: MAX30101.cpp

Revision:

0:2d0c91de9279

Child:

1:9e2a3b4a24c7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MAX30101.cpp	Thu Apr 13 23:23:36 2017 +0000
@@ -0,0 +1,119 @@
+/*******************************************************************************
+ * 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 "MAX30101.h"
+
+
+//*****************************************************************************
+MAX30101::MAX30101(PinName sda, PinName scl):
+m_i2cBus(sda, scl)
+{
+    //empty block
+}
+
+
+//*****************************************************************************
+MAX30101::MAX30101(I2C &i2c):
+m_i2cBus(i2c)
+{
+    //empty block
+}
+
+
+//*****************************************************************************
+MAX30101::~MAX30101()
+{
+    //empty block
+}
+
+
+//*****************************************************************************
+int32_t MAX30101::enableInterrupts(const InterruptBitField_u data)
+{
+    char cmdData[3] = {InterruptEnable1, (data.all & 0xF0), (data.all & 0x02)};
+    
+    return m_i2cBus.write(I2C_W_ADRS, cmdData, 3);
+}
+
+
+//*****************************************************************************
+int32_t MAX30101::getInterruptStatus(InterruptBitField_u &data)
+{
+    char local_data[3];
+    local_data[0] = InterruptStatus1;
+    
+    int32_t result = m_i2cBus.write(I2C_W_ADRS, local_data, 1);
+    if(result == 0)
+    {
+        result = m_i2cBus.read(I2C_R_ADRS, (local_data + 1), 2);
+        if(result == 0)
+        {
+            data.all = local_data[1] + local_data[2];
+        }
+    }
+    
+    return result;
+}
+
+
+//*****************************************************************************
+int32_t MAX30101::writeRegister(Registers_e reg, uint8_t value)
+{
+    char local_data[2] = {reg, value};
+
+    return m_i2cBus.write(I2C_W_ADRS, local_data, 2);
+}
+
+
+//*****************************************************************************
+int32_t MAX30101::readRegister(Registers_e reg, uint8_t &value)
+{
+    int32_t result;
+    
+    char local_data[2];
+    local_data[0] = reg;
+
+    result = m_i2cBus.write(I2C_W_ADRS, local_data, 1);
+    if(result == 0) 
+    {
+        result = m_i2cBus.read(I2C_R_ADRS, (local_data + 1), 1);
+        if (result == 0) 
+        {
+            value = local_data[1];
+        }
+    }
+
+    return result;
+}
+