Revision 0:0e40db4a2b3e, committed 2016-09-28

Comitter:

jbradshaw

Date:

Wed Sep 28 16:42:42 2016 +0000

Child:

1:f8919b0c2052

Commit message:

initial commit

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MAX14720.cpp	Wed Sep 28 16:42:42 2016 +0000
@@ -0,0 +1,145 @@
+/*******************************************************************************
+ * 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.
+ *******************************************************************************
+ */
+
+#include "MAX14720.h"
+
+//******************************************************************************
+MAX14720::MAX14720(PinName sda, PinName scl, int slaveAddress) :
+	slaveAddress(slaveAddress)
+{
+	i2c = new I2C(sda,scl);
+	isOwner = true;
+}
+//******************************************************************************
+MAX14720::MAX14720(I2C *i2c, int slaveAddress) :
+		slaveAddress(slaveAddress)
+{
+	this->i2c = i2c;
+	isOwner = false;
+}
+//******************************************************************************
+MAX14720::~MAX14720()
+{
+	if (isOwner == true) {
+		delete i2c;
+	}
+}
+
+//******************************************************************************
+int MAX14720::boostEn(BoostEn_Values value) {
+    int result;
+ 	max14720_BoostCfg val;
+
+ 	// read modify write BoostEn to desired state
+ 	result = readReg(BOOST_CFG, &val.all);
+ 	val.bit.BoostEn = (char)value;
+    result = writeReg(BOOST_CFG, val.all);
+    if (result == MAX14720_ERROR) return result;
+	return 0;
+}
+
+//******************************************************************************
+int MAX14720::boostVSet(BoostVSet_Values value) {
+    int result;
+    max14720_BoostVSet val;
+
+ 	// read modify write boostVSet to desired state
+ 	result = readReg(BOOST_V_SET, &val.all);
+ 	val.bit.BoostVSet = (char)value;
+    result = writeReg(BOOST_V_SET, val.all);
+    if (result == MAX14720_ERROR) return result;
+	return 0;
+}
+
+//******************************************************************************
+int MAX14720::readBoostVSet(BoostVSet_Values *value) {
+    int result;
+    char val;
+    
+    result = readReg(BOOST_V_SET,&val);
+    *value = (BoostVSet_Values)val;
+    return result;
+}
+
+//******************************************************************************
+int MAX14720::readBoostISet(BoostISet_Values *value) {
+    int result;
+    char val;
+    
+    result = readReg(BOOST_V_SET,&val);
+    *value = (BoostISet_Values)val;
+    return result;
+}
+
+//******************************************************************************
+int MAX14720::boostISet(BoostISet_Values value) {
+    int result;
+    max14720_BoostISet val;
+
+ 	// read modify write boostVSet to desired state
+ 	result = readReg(BOOST_I_SET, &val.all);
+ 	val.bit.BoostISet = (char)value;
+    result = writeReg(BOOST_I_SET, val.all);
+    if (result == MAX14720_ERROR) return result;
+	return 0;
+}
+
+//******************************************************************************
+int MAX14720::writeReg(MAX14720_REG_map_t reg,  char value)
+{
+    int result;
+    char cmdData[2] = { (char)reg, value };
+    result = i2c->write(slaveAddress, cmdData, 2);
+    if (result != 0) return MAX14720_ERROR;
+    return MAX14720_NO_ERROR;
+}
+
+//******************************************************************************
+int MAX14720::readReg(MAX14720_REG_map_t reg, char *value)
+{
+    int result;
+    char cmdData[1] = { (char)reg };
+    
+    result = i2c->write(slaveAddress, cmdData, 1);
+    if (result != 0) return MAX14720_ERROR;
+    result = i2c->read(slaveAddress, value, 1);
+    if (result != 0) return MAX14720_ERROR;
+    return MAX14720_NO_ERROR;
+}
+
+
+
+
+
+
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MAX14720.h	Wed Sep 28 16:42:42 2016 +0000
@@ -0,0 +1,432 @@
+/*******************************************************************************
+ * 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.
+ *******************************************************************************
+ */
+
+#ifndef PMIC_H_
+#define PMIC_H_
+
+#include "mbed.h"
+
+#define MAX14720_NO_ERROR   0
+#define MAX14720_ERROR      -1
+
+class MAX14720
+{
+public:
+    typedef enum {  // I2C Register Addresses
+        CHIP_ID = 0x00,
+        CHIP_REV = 0x01,
+        BOOST_C_DIV = 0x03,
+        BOOST_I_SET = 0x04,
+        BOOST_V_SET = 0x05,
+        BOOST_CFG = 0x06,
+        BUCK_V_SET = 0x07,
+        BUCK_CFG = 0x08,
+        BUCK_I_SET = 0x09,
+        LDOV_SET = 0x0A,
+        LDO_CFG = 0x0B,
+        SWITCH_CFG = 0x0C,
+        BAT_TIME = 0x0D,
+        BAT_CFG = 0x0E,
+        BAT_BCV = 0x0F,
+        BAT_OCV = 0x10,
+        BAT_LCV = 0x11,
+        MON_CFG = 0X19,
+        BOOT_CFG = 0x1A,
+        PIN_STAT = 0x1B,
+        BBB_EXTRA = 0x1C,
+        HAND_SHK = 0x1D,
+        UVLO_CFG = 0x1E,
+        PWR_OFF = 0x1F,
+        OTP_MAP_0 = 0x20,
+        OTP_MAP_1 = 0x21,
+        OTP_MAP_2 = 0x22,
+        OTP_MAP_3 = 0x23,
+        OTP_MAP_4 = 0x24,
+        OTP_MAP_5 = 0x25,
+        OTP_MAP_6 = 0x26,
+        OTP_MAP_7 = 0x27,
+        OTP_MAP_8 = 0x28,
+        OTP_MAP_9 = 0x29,
+        OTP_MAP_A = 0x2A,
+        OTP_MAP_b = 0x2B,
+    } MAX14720_REG_map_t;
+
+	/// @brief ChipId Register (0x00)
+	typedef union ChipId_ {
+	  char all;
+	} max14720_ChipId;
+
+	/// @brief ChipRev Register (0x01)
+	typedef union ChipRev_ {
+	  char all;
+	} max14720_ChipRev;
+
+	/// @brief BoostCDiv Register (0x03)
+	typedef union BoostCDiv_ {
+	  char all;
+	  struct {
+		char ClkDivSet : 7;
+		char ClkDivEn : 1;
+	  } bit;
+	} max14720_BoostCDiv;
+
+	/// @brief BoostISet Register (0x04)
+	typedef union BoostISet_ {
+	  char all;
+	  struct {
+		char BoostISet : 3;
+	  } bit;
+	} max14720_BoostISet;
+
+	/// @brief BoostVSet Register (0x05)
+	typedef union BoostVSet_ {
+	  char all;
+	  struct {
+		char BoostVSet : 5;
+	  } bit;
+	} max14720_BoostVSet;
+
+	/// @brief BoostCfg Register (0x06)
+	typedef union BoostCfg_ {
+	  char all;
+	  struct {
+		char BoostInd : 1;
+		char BoostEMI : 1;
+		char reserved : 1;
+		char BoostEn : 2;
+		char BoostSeq : 3;
+	  } bit;
+	} max14720_BoostCfg;
+
+	/// @brief BuckVSet Register (0x07)
+	typedef union BuckVSet_ {
+	  char all;
+	  struct {
+		char BuckVSet : 6;
+	  } bit;
+	} max14720_BuckVSet;
+
+	/// @brief BuckCfg Register (0x08)
+	typedef union BuckCfg_ {
+	  char all;
+	  struct {
+		char BuckFst : 1;
+		char BuckMd : 2;
+		char BoostEn : 2;
+		char BuckSeq : 3;
+	  } bit;
+	} max14720_BuckCfg;
+
+	/// @brief BuckISet Register (0x09)
+	typedef union BuckISet_ {
+	  char all;
+	  struct {
+		char BuckInteg : 1;
+		char BuckMinOT : 1;
+		char BuckHysOff : 1;
+		char BuckInd : 1;
+		char BuckCfg : 1;
+		char BuckISet : 3;
+	  } bit;
+	} max14720_BuckISet;
+
+	/// @brief LDOVSet Register (0x0A)
+	typedef union LDOVSet_ {
+	  char all;
+	  struct {
+		char LDOVSet : 5;
+	  } bit;
+	} max14720_LDOVSet;
+
+	/// @brief LDOCfg Register (0x0B)
+	typedef union LDOCfg_ {
+	  char all;
+	  struct {
+		char LDOMode : 1;
+		char LDOEn : 2;
+		char LDO_ActDSC : 1;
+		char LDO_PasDSC : 1;
+		char LDOSeq : 3;
+	  } bit;
+	} max14720_LDOCfg;
+
+	/// @brief SwitchCfg Register (0x0C)
+	typedef union SwitchCfg_ {
+	  char all;
+	  struct {
+		char SWSoftStart : 1;
+		char SWEn : 2;
+		char reserved : 2;
+		char SWSeq : 3;
+	  } bit;
+	} max14720_SwitchCfg;
+
+	/// @brief BatTime Register (0x0D)
+	typedef union BatTime_ {
+	  char all;
+	  struct {
+		char LCVTm : 2;
+		char OCVTm : 2;
+		char BCVTm : 2;
+	  } bit;
+	} max14720_BatTime;
+
+	/// @brief BatCfg Register (0x0E)
+	typedef union BatCfg_ {
+	  char all;
+	  struct {
+		char BatImpCur : 3;
+		char LcvDly2Skip : 1;
+		char reserved : 2;
+		char BIMAbort : 1;
+		char BIA : 1;
+	  } bit;
+	} max14720_BatCfg;
+
+	/// @brief BatV Register (0x0F)
+	typedef union BatBCV_ {
+	  char all;
+	} max14720_BatBCV;
+
+	/// @brief BatOCV Register (0x10)
+	typedef union BatOCV_ {
+	  char all;
+	} max14720_BatOCV;
+
+	/// @brief BatLCV Register (0x11)
+	typedef union BatLCV_ {
+	  char all;
+	} max14720_BatLCV;
+
+	/// @brief MONCfg Register (0x19)
+	typedef union MONCfg_ {
+	  char all;
+	  struct {
+		char MONCtr : 3;
+		char MONHiZ : 1;
+		char reserved : 3;
+		char MONEn : 1;
+	  } bit;
+	} max14720_MONCfg;
+
+	/// @brief BootCfg Register (0x1A)
+	typedef union BootCfg_ {
+	  char all;
+	  struct {
+		char BootDly : 2;
+		char PFNPUDCfg : 1;
+		char SftRstCfg : 1;
+		char PwrRstCfg : 4;
+	  } bit;
+	} max14720_BootCfg;
+
+	/// @brief PinStat Register (0x1B)
+	typedef union PinStat_ {
+	  char all;
+	  struct {
+		char RST_LEN : 1;
+		char MPC_BEN : 1;
+		char KOUT_HVEN : 1;
+		char KIN_SWEN : 1;
+	  } bit;
+	} max14720_PinStat;
+
+	/// @brief BBBExtra Register (0x1C)
+	typedef union BBBExtra_ {
+	  char all;
+	  struct {
+		char BuckFScl : 1;
+		char BuckActDsc : 1;
+		char BuckPasDsc : 1;
+		char reserved : 2;
+		char Boost_ActDsc : 1;
+		char BoostPasDsc : 1;
+		char Boost_HysOff : 1;
+	  } bit;
+	} max14720_BBBExtra;
+
+	/// @brief HandShk Register (0x1D)
+	typedef union HandShk_ {
+	  char all;
+	  struct {
+		char StayOn : 1;
+		char reserved : 5;
+		char GlbPasDsc : 1;
+		char StartOff : 1;
+	  } bit;
+	} max14720_HandShk;
+
+	/// @brief UVLOCfg Register (0x1E)
+	typedef union UVLOCfg_ {
+	  char all;
+	  struct {
+		char LDO_UVLOsel : 1;
+		char BBBUVLOsel : 1;
+	  } bit;
+	} max14720_UVLOCfg;
+
+	/// @brief PWRCFG Register (0x1F)
+	typedef union PWROFF_ {
+	  char all;
+	} max14720_PWROFF;
+
+	/// All of the possible BoostVSet values
+	typedef enum  {
+		BoostVSet_25,
+		BoostVSet_26,
+		BoostVSet_27,
+		BoostVSet_28,
+		BoostVSet_29,
+		BoostVSet_30,
+		BoostVSet_31,
+		BoostVSet_32,
+		BoostVSet_33,
+		BoostVSet_34,
+		BoostVSet_35,
+		BoostVSet_36,
+		BoostVSet_37,
+		BoostVSet_38,
+		BoostVSet_39,
+		BoostVSet_40,
+		BoostVSet_41,
+		BoostVSet_42,
+		BoostVSet_43,
+		BoostVSet_44,
+		BoostVSet_45,
+		BoostVSet_46,
+		BoostVSet_47,
+		BoostVSet_48,
+		BoostVSet_49,
+		BoostVSet_50,
+	} BoostVSet_Values;
+
+	typedef enum {
+		BoostEn_Disable,
+		BoostEn_Enable,
+		BoostEn_Enable_MPC_High,
+	} BoostEn_Values;
+
+	typedef enum  {
+		BoostISet_0,
+		BoostISet_50mA,
+		BoostISet_100mA,
+		BoostISet_150mA,
+		BoostISet_200mA,
+		BoostISet_250mA,
+		BoostISet_300mA,
+		BoostISet_350mA,
+	} BoostISet_Values;
+
+	typedef enum  {
+		BoostSeq_Disabled,		
+		BoostSeq_Reserved,
+		BoostSeq_Enabled_0,
+		BoostSeq_Enabled_25,
+		BoostSeq_Enabled_50,
+		BoostSeq_Reserved2,
+		BoostSeq_Controlled_HVEN,
+		BoostSeq_Controlled_BoostEn,
+	} BoostSeq_Values;
+
+	typedef enum {
+		BoostEMI_Active,
+		BoostEMI_Disabled,
+	} BoostEMI_Values;
+
+	typedef enum {
+		BoostInd_3_3,
+		BoostInd_4_7,
+	} BoostInd_Values;
+
+	/**
+		* MAX14720 constructor.
+		*
+		* @param sda mbed pin to use for SDA line of I2C interface.
+		* @param scl mbed pin to use for SCL line of I2C interface.
+		* @param slaveAddress Slave Address of the device.
+		*/
+	MAX14720(PinName sda, PinName scl, int slaveAddress);
+
+	/**
+		* MAX14720 constructor.
+		*
+		* @param i2c I2C object to use.
+		* @param slaveAddress Slave Address of the device.
+		*/
+	MAX14720(I2C *i2c, int slaveAddress);
+
+	/**
+		* MAX14720 destructor.
+		*/
+	~MAX14720();
+
+	/** 
+	* Enable or disable Boost
+	*/
+	int boostEn(BoostEn_Values value);
+	/**
+	* Set the Boost Output Voltage from 2.5V to 5V with 100mV increments
+	*/
+	int boostVSet(BoostVSet_Values value);
+	/**
+	* Read the Boost Output Voltage
+	*/
+	int readBoostVSet(BoostVSet_Values *value);
+	/**
+	* Set the Buck-Boost Peak Current-Limit
+	*/
+	int boostISet(BoostISet_Values value);
+	/**
+	* Read the Buck-Boost Peak Current-Limit
+	*/
+	int readBoostISet(BoostISet_Values *value);
+
+	/**
+	* Write a device register
+	*/
+	int writeReg(MAX14720_REG_map_t reg, char value);
+	/**
+	* Read a device register
+	*/
+	int readReg(MAX14720_REG_map_t reg, char *value);
+private:
+	/// I2C pointer
+	I2C *i2c;
+	/// Is this object the owner of the I2C object
+	bool isOwner;
+	/// Device slave address
+	int slaveAddress;
+      
+};
+
+#endif /* PMIC_H_ */