Superseded by MaximInterface.

Diff: Masters/TARGET_Maxim/MCU_OWM.cpp

Revision:

140:6f32bf635c9d

diff -r f0e0a7976846 -r 6f32bf635c9d Masters/TARGET_Maxim/MCU_OWM.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Masters/TARGET_Maxim/MCU_OWM.cpp	Fri Feb 17 19:09:11 2017 +0000
@@ -0,0 +1,202 @@
+/******************************************************************//**
+* Copyright (C) 2016 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.
+**********************************************************************/
+
+#if defined(TARGET_MAX32620) || defined(TARGET_MAX32625) || defined(TARGET_MAX32630)
+
+#include "MCU_OWM.h"
+
+using namespace OneWire;
+
+MCU_OWM::MCU_OWM(bool extWeakPup, bool extStrongPup)
+{
+    m_sysCfgOwm.clk_scale = CLKMAN_SCALE_AUTO;
+     
+    if(extStrongPup)
+    {
+        m_owmCfg.ext_pu_mode = OWM_EXT_PU_ACT_LOW;
+        ioman_cfg_t cfg = IOMAN_OWM(1, 1);
+        m_sysCfgOwm.io_cfg = cfg;
+    }
+    else
+    {
+        m_owmCfg.ext_pu_mode = OWM_EXT_PU_UNUSED;
+        ioman_cfg_t cfg = IOMAN_OWM(1, 0);
+        m_sysCfgOwm.io_cfg = cfg;
+    }
+    
+    if(extWeakPup)
+    {
+        m_owmCfg.int_pu_en = 0;
+    }
+    else
+    {
+        m_owmCfg.int_pu_en = 1;
+    }
+    
+    m_owmCfg.long_line_mode = 0;
+    m_owmCfg.overdrive_spec = OWM_OVERDRIVE_UNUSED;  
+}
+
+//**********************************************************************
+bool MCU_OWM::extStrongPup() const
+{
+    return m_owmCfg.ext_pu_mode == OWM_EXT_PU_ACT_LOW;
+}
+
+//**********************************************************************
+OneWireMaster::CmdResult MCU_OWM::OWInitMaster()
+{
+    OneWireMaster::CmdResult result = OneWireMaster::OperationFailure;
+    
+    if(OWM_Init(MXC_OWM, &m_owmCfg, &m_sysCfgOwm) == E_NO_ERROR)
+    {
+        result = OneWireMaster::Success;
+    }
+    
+    return result;
+}
+
+//**********************************************************************
+OneWireMaster::CmdResult MCU_OWM::OWReset()
+{
+    OneWireMaster::CmdResult result = OneWireMaster::OperationFailure;
+    
+    if(OWM_Reset(MXC_OWM))
+    {
+        result = OneWireMaster::Success;
+    }
+    return result;
+}
+
+//**********************************************************************
+OneWireMaster::CmdResult MCU_OWM::OWTouchBitSetLevel(uint8_t & sendRecvBit, OWLevel afterLevel)
+{
+    OneWireMaster::CmdResult result = OneWireMaster::OperationFailure;
+    
+    sendRecvBit = OWM_TouchBit(MXC_OWM, sendRecvBit);
+    
+    if(extStrongPup())
+    {
+        result = OWSetLevel(afterLevel);
+    }
+    else
+    {
+        result = OneWireMaster::Success;
+    }
+    
+    return result;
+}
+
+//**********************************************************************
+OneWireMaster::CmdResult MCU_OWM::OWWriteByteSetLevel(uint8_t sendByte, OWLevel afterLevel)
+{
+    OneWireMaster::CmdResult result = OneWireMaster::OperationFailure;
+    
+    if(OWM_WriteByte(MXC_OWM, sendByte) == E_NO_ERROR)
+    {
+        if(extStrongPup())
+        {
+            result = OWSetLevel(afterLevel);
+        }
+        else
+        {
+            result = OneWireMaster::Success;
+        }
+    }
+    
+    return result;
+}
+
+//**********************************************************************
+OneWireMaster::CmdResult MCU_OWM::OWReadByteSetLevel(uint8_t & recvByte, OWLevel afterLevel)
+{
+    OneWireMaster::CmdResult result = OneWireMaster::OperationFailure;
+    
+    recvByte = OWM_ReadByte(MXC_OWM);
+    
+    if(extStrongPup())
+    {
+        result = OWSetLevel(afterLevel);
+    }
+    else
+    {
+        result = OneWireMaster::Success;
+    }
+    
+    return result;
+}
+
+//**********************************************************************
+OneWireMaster::CmdResult MCU_OWM::OWSetSpeed(OWSpeed newSpeed)
+{
+    OneWireMaster::CmdResult result = OneWireMaster::Success;
+    
+    if(newSpeed == OneWireMaster::OverdriveSpeed)
+    {
+        OWM_SetOverdrive(MXC_OWM, 1);
+    }
+    else if(newSpeed == OneWireMaster::StandardSpeed)
+    {
+        OWM_SetOverdrive(MXC_OWM, 0);
+    }
+    else
+    {
+        result = OneWireMaster::OperationFailure;
+    }
+    
+    return result;
+}
+
+//**********************************************************************
+OneWireMaster::CmdResult MCU_OWM::OWSetLevel(OWLevel newLevel)
+{
+    OneWireMaster::CmdResult result = OneWireMaster::OperationFailure;
+    
+    if(extStrongPup())
+    {
+        if(newLevel == OneWireMaster::StrongLevel)
+        {
+            OWM_SetExtPullup(MXC_OWM, 1);
+        }
+        else
+        {
+            OWM_SetExtPullup(MXC_OWM, 0);
+        }
+        
+        result = OneWireMaster::Success;
+    }
+    
+    return result;
+}
+
+#endif /* TARGET_MAX326xx */
+