Diff: max77756.h

Revision:

0:fc290eb62889

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+++ b/max77756.h	Thu Sep 14 15:02:47 2017 +0000
@@ -0,0 +1,185 @@
+/*******************************************************************************
+ * 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.
+ *******************************************************************************
+ */
+ 
+#ifndef _MAX77756_H_
+#define _MAX77756_H_
+ 
+#include "mbed.h"
+ 
+class MAX77756
+{
+ 
+public:
+ 
+    /**
+     * @brief   Register Addresses
+     * @details Enumerated MAX77756 register addresses
+     */
+    typedef enum {
+        REG_CONFIGA = 0x00,
+        REG_CONFIGB 
+    } registers_t;
+ 
+    /**
+     * @brief   Spread Spectrum Control
+     * @details Enumerated Spread Spectrum Module
+     */
+    typedef enum {
+        S_SPECTRUM_OFF = 0x00,
+        S_SPECTRUM_ON
+    } SpreadSpectrum_t;
+ 
+    /**
+     * @brief   Soft Start Control
+     * @details Enumerated Start-Up Ramp Time for the Regulator
+     */
+    typedef enum {
+        S_START_8_ms = 0x00,
+        S_START_4ms 
+    } SoftStart_t;
+
+    /**
+     * @brief   Peak Current Limit
+     * @details Enumerated High Side DMOS Peak Current Limit
+     */
+    typedef enum {
+        I_PEAK_LIMIT_700_mA = 0x00,
+        I_PEAK_LIMIT_800_mA,
+        I_PEAK_LIMIT_900_mA,
+        I_PEAK_LIMIT_1000_mA
+    } PeakCurrent_t;
+ 
+    /**
+     * @brief   Enable Logic
+     * @details Enumerated Enable Logic Control between EN_BIT and EN Pin
+     */
+    typedef enum {
+        EN_LOGICAL_OR = 0x00,
+        EN_LOGICAL_AND
+    } EnableLogic_t;
+  
+     /**
+     * @brief   Enable Bit
+     * @details Enumerated Enable for Regulator
+     */
+    typedef enum {
+        ENABLE = 0x00,
+        DISABLE
+    } Enable_t;
+ 
+    /**
+     * MAX77756 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.
+     */
+    MAX77756(PinName sda, PinName scl);
+ 
+    /**
+     * MAX77756 constructor.
+     *
+     * @param i2c I2C object to use.
+     */
+    MAX77756(I2C *i2c);
+ 
+    /**
+     * MAX44000 destructor.
+     */
+    ~MAX77756();
+ 
+    /**
+     * @brief   Initialize MAX77756
+     */
+    int32_t init();
+ 
+    /**
+     * @brief   Write Register
+     * @details Writes data to MAX77756 register
+     *
+     * @param   reg_addr Register to write
+     * @param   reg_data Data to write
+     * @returns 0 if no errors, -1 if error.
+     */
+    int32_t writeReg(MAX77756::registers_t reg_addr, char reg_data);
+ 
+    /**
+     * @brief   Read Register
+     * @details Reads data from MAX77756 register
+     *
+     * @param   reg_addr Register to read
+     * @returns data if no errors, -1 if error.
+     */
+    int32_t readReg(MAX77756::registers_t reg_addr);
+    
+    /**
+     * @brief   Regultor Enable
+     * @details Control EN_BIT to Enable/Disable Regulator 
+     *
+     * @param   enable value to control
+     * @returns 0 if no errors, -1 if error.
+     */
+    int32_t outEnable(MAX77756::Enable_t enable);
+    
+    /**
+     * @brief   Set Output Voltage
+     * @details Control Output Voltage.  
+     *
+     * @param   Output Voltage from 1500 to 7500 (mV)
+     * @returns 0 if no errors, -1 if error.
+     */
+    int32_t setVout(uint32_t outVoltage);
+    
+    /**
+     * @brief   Config MAX77756
+     * @details Set Spread-Spectrum, SoftStart, Peak Current and Enable Logic.  
+     *
+     * @param   Spread Spectrum Configuration Value
+     * @param   Soft Start Configuration Value
+     * @param   High Side DMOS Peak Current Configuration Value
+     * @param   Enable Logic Configuration Value
+     * @returns 0 if no errors, -1 if error.
+     */
+    int32_t config(MAX77756::SpreadSpectrum_t sspectrum, 
+                   MAX77756::SoftStart_t sstart,
+                   MAX77756::PeakCurrent_t ipeak, 
+                   MAX77756::EnableLogic_t enlogic);
+    
+private:
+ 
+    I2C *i2c_;
+    bool i2c_owner;
+ 
+};
+ 
+#endif /* _MAX77756_H_ */
+ 
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