Board library for MAX32630FTHR platform
Dependencies: MAX14690
Dependents: FTHR_OLED MAX32630FTHR_ADC_Example Test_TFT_RT MAX32630FTHR_RGB ... more
Fork of max32630fthr by
Revision 1:15e34492fbf1, committed 2016-11-20
- Comitter:
- switches
- Date:
- Sun Nov 20 23:31:36 2016 +0000
- Parent:
- 0:8926602da648
- Child:
- 2:7a1d7d6d520e
- Commit message:
- Created MAX32630FTHR class for board support functions
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MAX14690.lib Sun Nov 20 23:31:36 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/switches/code/MAX14690/#1ca110017930
--- a/max32630fthr.cpp Wed Nov 16 01:01:28 2016 +0000 +++ b/max32630fthr.cpp Sun Nov 20 23:31:36 2016 +0000 @@ -1,29 +1,107 @@ +/******************************************************************************* + * 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 "mbed.h" #include "max3263x.h" #include "ioman_regs.h" #include "PinNames.h" #include "max32630fthr.h" -#define MAX14690_I2C_ADDR 0x50 +//****************************************************************************** +MAX32630FTHR::MAX32630FTHR(vio_t vio) : i2c(P5_7, P6_0), max14690(&i2c) +{ + hdrVio = vio; +} +//****************************************************************************** +MAX32630FTHR::~MAX32630FTHR() +{ +} -int max32630fthrInit() +//****************************************************************************** +int MAX32630FTHR::init() { - I2C __i2cm2(P5_7, P6_0); - char data[5]; - data[0] = 0x14; // I2C address for first register (LDO2 CFG) - data[1] = 0x00; // Dissable LDO2 - data[2] = 0x19; // Set voltage to 3.3V - data[3] = 0x00; // Dissable LDO3 - data[4] = 0x19; // Set voltage to 3.3V - __i2cm2.write(MAX14690_I2C_ADDR, data, 5); - data[1] = 0x02; // Enable LDO2 - data[3] = 0x02; // Enable LDO3 - __i2cm2.write(MAX14690_I2C_ADDR, data, 5); + // Override the default values + max14690.ldo2Millivolts = 3300; + max14690.ldo3Millivolts = 3300; + max14690.ldo2Mode = MAX14690::LDO_ENABLED; + max14690.ldo3Mode = MAX14690::LDO_ENABLED; + max14690.monCfg = MAX14690::MON_HI_Z; + // Note that writing the local value does directly affect the part + // The buck-boost regulator will remain off until init is called + + // Call init to apply all settings to the PMIC + if (max14690.init() == MAX14690_ERROR) { + printf("Error initializing MAX14690"); + } + + // Set micro SD card pins to 3.3V + vddioh(P0_4, VIO_3V3); + vddioh(P0_5, VIO_3V3); + vddioh(P0_6, VIO_3V3); + vddioh(P0_7, VIO_3V3); + // Set LED pins to 3.3V + vddioh(P2_4, VIO_3V3); + vddioh(P2_5, VIO_3V3); + vddioh(P2_6, VIO_3V3); + // Set header pins to hdrVio + vddioh(P3_0, hdrVio); + vddioh(P3_1, hdrVio); + vddioh(P3_2, hdrVio); + vddioh(P3_3, hdrVio); + vddioh(P3_4, hdrVio); + vddioh(P3_5, hdrVio); + vddioh(P4_0, hdrVio); + vddioh(P4_1, hdrVio); + vddioh(P4_2, hdrVio); + vddioh(P4_3, hdrVio); + vddioh(P4_4, hdrVio); + vddioh(P4_5, hdrVio); + vddioh(P4_6, hdrVio); + vddioh(P4_7, hdrVio); + vddioh(P5_0, hdrVio); + vddioh(P5_1, hdrVio); + vddioh(P5_2, hdrVio); + vddioh(P5_3, hdrVio); + vddioh(P5_4, hdrVio); + vddioh(P5_5, hdrVio); + vddioh(P5_6, hdrVio); + return 0; } -int vddioh(PinName pin, bool en) +//****************************************************************************** +int MAX32630FTHR::vddioh(PinName pin, vio_t vio) { __IO uint32_t *use_vddioh = &((mxc_ioman_regs_t *)MXC_IOMAN)->use_vddioh_0; @@ -32,7 +110,7 @@ } use_vddioh += PINNAME_TO_PORT(pin) >> 2; - if (en) { + if (vio) { *use_vddioh |= (1 << (PINNAME_TO_PIN(pin) + ((PINNAME_TO_PORT(pin) & 0x3) << 3))); } else { *use_vddioh &= ~(1 << (PINNAME_TO_PIN(pin) + ((PINNAME_TO_PORT(pin) & 0x3) << 3)));
--- a/max32630fthr.h Wed Nov 16 01:01:28 2016 +0000 +++ b/max32630fthr.h Sun Nov 20 23:31:36 2016 +0000 @@ -1,7 +1,99 @@ +/******************************************************************************* + * 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. + ******************************************************************************* + */ + +#ifndef _MAX32630FTHR_H_ +#define _MAX32630FTHR_H_ + +#include "mbed.h" +#include "MAX14690.h" + +class MAX32630FTHR +{ +public: // max32630fthr configuration utilities -// max32630fthr initialization -int max32630fthrInit(); + /** + * @brief IO Voltage + * @details Enumerated options for operating voltage + */ + typedef enum { + VIO_1V8 = 0x00, ///< 1.8V IO voltage at headers (from BUCK2) + VIO_3V3 = 0x01, ///< 3.3V IO voltage at headers (from LDO2) + } vio_t; + + /** + * MAX32630FTHR constructor. + * + * @param vio I/O voltage for header pins + */ + MAX32630FTHR(vio_t vio); + + /** + * MAX32630FTHR destructor. + */ + ~MAX32630FTHR(); -// max32630fthr pin voltage configuration -int vddioh(PinName pin, bool en); \ No newline at end of file + /** + * @brief Initialize MAX32630FTHR board + * @details Initializes PMIC and I/O on MAX32630FTHR board. + * Configures PMIC to enable LDO2 and LDO3 at 3.3V. + * Disables resisitive pulldown on MON(AIN_0) + * Sets default I/O voltages to 3V3 for micro SD card. + * Sets I/O voltage for header pins to hdrVio specified. + * @returns 0 if no errors, -1 if error. + */ + int init(); + + /** + * @brief Sets I/O Voltage + * @details Sets the voltage rail to be used for a given pin. + * VIO_1V8 selects VDDIO which is supplied by Buck2, which is set at 1.8V, + * VIO_3V3 selects VDDIOH which is supplied by LDO2, which is typically 3.3V/ + * @param pin Pin whose voltage supply is being assigned. + * @param vio Voltage rail to be used for specified pin. + * @returns 0 if no errors, -1 if error. + */ + int vddioh(PinName pin, vio_t vio); + + /// Local I2C bus for configuring PMIC and accessing BMI160 IMU. + I2C i2c; + + /// MAX14690 PMIC Instance + MAX14690 max14690; + + /// The default I/O voltage to be used for header pins. + vio_t hdrVio; + +}; + +#endif /* _MAX32630FTHR_H_ */