main.cpp

00001 /**********************************************************************
00002 * Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
00003 *
00004 * Permission is hereby granted, free of charge, to any person obtaining a
00005 * copy of this software and associated documentation files (the "Software"),
00006 * to deal in the Software without restriction, including without limitation
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00009 * Software is furnished to do so, subject to the following conditions:
00010 *
00011 * The above copyright notice and this permission notice shall be included
00012 * in all copies or substantial portions of the Software.
00013 *
00014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00015 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00016 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00017 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
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00019 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
00020 * OTHER DEALINGS IN THE SOFTWARE.
00021 *
00022 * Except as contained in this notice, the name of Maxim Integrated
00023 * Products, Inc. shall not be used except as stated in the Maxim Integrated
00024 * Products, Inc. Branding Policy.
00025 *
00026 * The mere transfer of this software does not imply any licenses
00027 * of trade secrets, proprietary technology, copyrights, patents,
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00031 **********************************************************************/
00032 
00033 
00034 #include "mbed.h"
00035 #include "max77756.h"
00036 
00037 int main()
00038 {
00039     uint32_t rData;
00040     uint32_t outVoltage = 1500;
00041     
00042     DigitalOut rLED(LED1, LED_OFF);
00043     DigitalOut gLED(LED2, LED_OFF);
00044     DigitalOut bLED(LED3, LED_OFF);
00045     
00046     I2C i2cBus(P5_7, P6_0);
00047     i2cBus.frequency(400000);
00048     MAX77756 max77756(&i2cBus);
00049     
00050     wait_ms(100);    
00051     
00052     max77756.config(MAX77756::S_SPECTRUM_OFF, MAX77756::S_START_8_ms, 
00053                     MAX77756::I_PEAK_LIMIT_700_mA, MAX77756::EN_LOGICAL_OR);
00054     
00055     while(1) {
00056        
00057         rData = max77756.outEnable(MAX77756::DISABLE);
00058         if (rData < 0) {
00059             rLED = 1;
00060             continue;
00061         }
00062         wait_ms(1000);
00063         
00064         rData = max77756.setVout(outVoltage);
00065         if (rData < 0) {
00066             rLED = 1;
00067             continue;
00068         }
00069         rData = max77756.outEnable(MAX77756::ENABLE);
00070         if (rData < 0) {
00071             rLED = 1;
00072             continue;
00073         }
00074         
00075         outVoltage += 50;
00076         if (outVoltage > 7500) {
00077             outVoltage = 1500;
00078         }
00079            
00080         gLED = !gLED;
00081         wait_ms(1000);
00082     }
00083 }
00084