Diff: demoPlatform/MAX20303.h

Revision:

0:a12d6976d64c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demoPlatform/MAX20303.h	Mon Dec 17 13:58:56 2018 +0300
@@ -0,0 +1,221 @@
+/*******************************************************************************
+ * Copyright (C) 2018 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 __MAX20303_H_
+#define __MAX20303_H_
+
+#include "mbed.h"
+
+#define MAX20303_SLAVE_ADDR		(0x50 >> 1)
+#define MAX20303_SLAVE_WR_ADDR		((MAX20303_SLAVE_ADDR << 1))
+#define MAX20303_SLAVE_RD_ADDR		((MAX20303_SLAVE_ADDR << 1) | 1)
+
+
+#define MAX20303_NO_ERROR   0
+#define MAX20303_ERROR      -1
+
+#define MAX20303_I2C_ADDR_FUEL_GAUGE	0x6c
+#define MAX20303_I2C_ADDR_FUEL_GAUGE    0x6C
+
+#define MAX20303_LDO_MIN_MV 800
+#define MAX20303_LDO_MAX_MV 3600
+#define MAX20303_LDO_STEP_MV 100
+
+#define MAX20303_OFF_COMMAND 0xB2
+
+class MAX20303
+{
+
+public:
+	/**
+	 * @brief   Register Addresses
+	 * @details Enumerated MAX20303 register addresses
+	 */
+	enum registers_t {
+		REG_HARDWARE_ID		= 0x00,		///< HardwareID Register
+		REG_FIRMWARE_REV	= 0x01,		///< FirmwareID Register
+		//					= 0x02,		///<
+		REG_INT0			= 0x03,		///< Int0 Register
+		REG_INT1			= 0x04,		///< Int1 Register
+		REG_INT2			= 0x05,		///< Int2 Register
+		REG_STATUS0			= 0x06,		///< Status Register 0
+		REG_STATUS1			= 0x07,		///< Status Register 1
+		REG_STATUS2			= 0x08,		///< Status Register 2
+		REG_STATUS3			= 0x09,		///< Status Register 2
+		//					= 0x0A,		///<
+		REG_SYSTEM_ERROR	= 0x0B,		///< SystemError Register
+		REG_INT_MASK0		= 0x0C,		///< IntMask0 Register
+		REG_INT_MASK1		= 0x0D,		///< IntMask1 Register
+		REG_INT_MASK2		= 0x0E,		///< IntMask1 Register
+		REG_AP_DATOUT0		= 0x0F,     ///< APDataOut0 Register
+		REG_AP_DATOUT1		= 0x10,     ///< APDataOut1 Register
+		REG_AP_DATOUT2		= 0x11,     ///< APDataOut2 Register
+		REG_AP_DATOUT3		= 0x12,     ///< APDataOut3 Register
+		REG_AP_DATOUT4		= 0x13,     ///< APDataOut4 Register
+		REG_AP_DATOUT5		= 0x14,     ///< APDataOut5 Register
+		REG_AP_DATOUT6		= 0x15,     ///< APDataOut6 Register
+		REG_AP_CMDOUT		= 0x17,     ///< APCmdOut Register
+		REG_AP_RESPONSE		= 0x18,     ///< APResponse Register
+		REG_AP_DATAIN0		= 0x19,
+		REG_AP_DATAIN1		= 0x1A,
+		REG_AP_DATAIN2		= 0x1B,
+		REG_AP_DATAIN3		= 0x1C,
+		REG_AP_DATAIN4		= 0x1D,
+		REG_AP_DATAIN5		= 0x1E,
+		//					= 0x1F,		///<
+		REG_LDO_DIRECT		= 0x20,
+		REG_MPC_DIRECTWRITE	= 0x21,
+		REG_MPC_DIRECTRED	= 0x22,
+
+		REG_LED_STEP_DIRECT	= 0x2C,
+		REG_LED0_DIRECT		= 0x2D,
+		REG_LED1_DIRECT		= 0x2E,
+		REG_LED2_DIRECT		= 0x2F,
+
+
+		REG_LDO1_CONFIG_WRITE = 0x40,
+		REG_LDO1_CONFIG_READ  = 0x41,
+		REG_LDO2_CONFIG_WRITE = 0x42,
+		REG_LDO2_CONFIG_READ  = 0x43
+
+		/*
+		REG_CHG_TMR = 0x0C,   ///< Charger Timers
+		REG_BUCK1_CFG = 0x0D,   ///< Buck 1 Configuration
+		REG_BUCK1_VSET = 0x0E,   ///< Buck 1 Voltage Setting
+		REG_BUCK2_CFG = 0x0F,   ///< Buck 2 Configuration
+		REG_BUCK2_VSET = 0x10,   ///< Buck 2 Voltage Setting
+		REG_RSVD_11 = 0x11,   ///< Reserved 0x11
+		REG_LDO1_CFG = 0x12,   ///< LDO 1 Configuration
+		REG_LDO1_VSET = 0x13,   ///< LDO 1 Voltage Setting
+		REG_LDO2_CFG = 0x14,   ///< LDO 2 Configuration
+		REG_LDO2_VSET = 0x15,   ///< LDO 2 Voltage Setting
+		REG_LDO3_CFG = 0x16,   ///< LDO 3 Configuration
+		REG_LDO3_VSET = 0x17,   ///< LDO 3 Voltage Setting
+		REG_THRM_CFG = 0x18,   ///< Thermistor Configuration
+		REG_MON_CFG = 0x19,   ///< Monitor Multiplexer Configuration
+		REG_BOOT_CFG = 0x1A,   ///< Boot Configuration
+		REG_PIN_STATUS = 0x1B,   ///< Pin Status
+		REG_BUCK_EXTRA = 0x1C,   ///< Additional Buck Settings
+		REG_PWR_CFG = 0x1D,   ///< Power Configuration
+		REG_NULL = 0x1E,   ///< Reserved 0x1E
+		REG_PWR_OFF = 0x1F,   ///< Power Off Register
+		*/
+	};
+
+	/**
+	* @brief  Constructor using reference to I2C object
+	* @param i2c - Reference to I2C object
+	* @param slaveAddress - 7-bit I2C address
+	*/
+	MAX20303(I2C *i2c);
+
+	/** @brief Destructor */
+	~MAX20303(void);
+
+	int led0on(char enable);
+	int led1on(char enable);
+	int led2on(char enable);
+	int BoostEnable(void);
+	int BuckBoostEnable(void);
+
+	/// @brief Enable the 1.8V output rail **/
+	int LDO1Config(void);
+
+	/// @brief Enable the 3V output rail **/
+	int LDO2Config(void);
+
+
+	int mv2bits(int mV);
+
+	/** @brief Power Off the board
+	 */
+	int PowerOffthePMIC();
+
+	/** @brief Power Off the board with 30ms delay
+	 */
+	int PowerOffDelaythePMIC();
+
+	/** @brief Soft reset the PMIC
+	 */
+	int SoftResetthePMIC();
+
+	/** @brief Hard reset the PMIC
+	 */
+	int HardResetthePMIC();
+
+	/** @brief check if can communicate with max20303
+	*/
+	char CheckPMICHWID();
+
+	/** @brief CheckPMICStatusRegisters
+	*/
+	int CheckPMICStatusRegisters(unsigned char buf_results[5]);
+
+    int Max20303_BatteryGauge(unsigned char *batterylevel);
+
+private:
+
+	int writeReg(registers_t reg, uint8_t value);
+	int readReg(registers_t reg, uint8_t &value);
+
+	int writeRegMulti(registers_t reg, uint8_t *value, uint8_t len);
+	int readRegMulti(registers_t reg, uint8_t *value, uint8_t len);
+
+	/// I2C object
+	I2C  *m_i2c;
+
+	/// Device slave addresses
+	uint8_t m_writeAddress, m_readAddress;
+
+	// Application Processor Interface Related Variables
+	uint8_t i2cbuffer_[16];
+	uint8_t appdatainoutbuffer_[8];
+	uint8_t appcmdoutvalue_;
+
+
+	/** @brief API Related Functions ***/
+
+	/***
+	 *  @brief  starts writing from ApResponse register 0x0F
+	 *  check the datasheet to determine the value of dataoutlen
+	 */
+	int AppWrite(uint8_t dataoutlen);
+
+	/** @brief starts reading from ApResponse register 0x18
+	 *  check the datasheet to determine the value of datainlen
+	 *  the result values are written into i2cbuffer
+	 *
+	*/
+	int AppRead(uint8_t datainlen);
+};
+
+#endif /* __MAX20303_H_ */