mehmet gok / HSPdemoUtils

Utility library for HSP SPo2 HR demo including user interface, board support adn accelerometer.

demoPlatform/MAX20303.cpp@0:a12d6976d64c, 2018-12-17 (annotated)

Committer:
gmehmet
Date:
Mon Dec 17 13:58:56 2018 +0300
Revision:
0:a12d6976d64c
create and put source to HSP demo utility repo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gmehmet 0:a12d6976d64c 1 /*******************************************************************************
gmehmet 0:a12d6976d64c 2 * Copyright (C) 2018 Maxim Integrated Products, Inc., All Rights Reserved.
gmehmet 0:a12d6976d64c 3 *
gmehmet 0:a12d6976d64c 4 * Permission is hereby granted, free of charge, to any person obtaining a
gmehmet 0:a12d6976d64c 5 * copy of this software and associated documentation files (the "Software"),
gmehmet 0:a12d6976d64c 6 * to deal in the Software without restriction, including without limitation
gmehmet 0:a12d6976d64c 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
gmehmet 0:a12d6976d64c 8 * and/or sell copies of the Software, and to permit persons to whom the
gmehmet 0:a12d6976d64c 9 * Software is furnished to do so, subject to the following conditions:
gmehmet 0:a12d6976d64c 10 *
gmehmet 0:a12d6976d64c 11 * The above copyright notice and this permission notice shall be included
gmehmet 0:a12d6976d64c 12 * in all copies or substantial portions of the Software.
gmehmet 0:a12d6976d64c 13 *
gmehmet 0:a12d6976d64c 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
gmehmet 0:a12d6976d64c 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
gmehmet 0:a12d6976d64c 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
gmehmet 0:a12d6976d64c 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
gmehmet 0:a12d6976d64c 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
gmehmet 0:a12d6976d64c 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
gmehmet 0:a12d6976d64c 20 * OTHER DEALINGS IN THE SOFTWARE.
gmehmet 0:a12d6976d64c 21 *
gmehmet 0:a12d6976d64c 22 * Except as contained in this notice, the name of Maxim Integrated
gmehmet 0:a12d6976d64c 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
gmehmet 0:a12d6976d64c 24 * Products, Inc. Branding Policy.
gmehmet 0:a12d6976d64c 25 *
gmehmet 0:a12d6976d64c 26 * The mere transfer of this software does not imply any licenses
gmehmet 0:a12d6976d64c 27 * of trade secrets, proprietary technology, copyrights, patents,
gmehmet 0:a12d6976d64c 28 * trademarks, maskwork rights, or any other form of intellectual
gmehmet 0:a12d6976d64c 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
gmehmet 0:a12d6976d64c 30 * ownership rights.
gmehmet 0:a12d6976d64c 31 *******************************************************************************
gmehmet 0:a12d6976d64c 32 */
gmehmet 0:a12d6976d64c 33
gmehmet 0:a12d6976d64c 34
gmehmet 0:a12d6976d64c 35 #include "MAX20303.h"
gmehmet 0:a12d6976d64c 36
gmehmet 0:a12d6976d64c 37
gmehmet 0:a12d6976d64c 38
gmehmet 0:a12d6976d64c 39 //******************************************************************************
gmehmet 0:a12d6976d64c 40 MAX20303::MAX20303(I2C *i2c):
gmehmet 0:a12d6976d64c 41 m_i2c(i2c), m_writeAddress(MAX20303_SLAVE_WR_ADDR),
gmehmet 0:a12d6976d64c 42 m_readAddress(MAX20303_SLAVE_RD_ADDR)
gmehmet 0:a12d6976d64c 43 {
gmehmet 0:a12d6976d64c 44 }
gmehmet 0:a12d6976d64c 45
gmehmet 0:a12d6976d64c 46
gmehmet 0:a12d6976d64c 47 //******************************************************************************
gmehmet 0:a12d6976d64c 48 MAX20303::~MAX20303(void)
gmehmet 0:a12d6976d64c 49 {
gmehmet 0:a12d6976d64c 50 //empty block
gmehmet 0:a12d6976d64c 51 }
gmehmet 0:a12d6976d64c 52
gmehmet 0:a12d6976d64c 53
gmehmet 0:a12d6976d64c 54 //******************************************************************************
gmehmet 0:a12d6976d64c 55 int MAX20303::LDO1Config()
gmehmet 0:a12d6976d64c 56 {
gmehmet 0:a12d6976d64c 57 int32_t ret = 0;
gmehmet 0:a12d6976d64c 58 uint8_t val;
gmehmet 0:a12d6976d64c 59 // ret |= writeReg(MAX20303::REG_AP_CMDOUT, 0x40);
gmehmet 0:a12d6976d64c 60 // ret |= writeReg(MAX20303::REG_AP_DATOUT0, 0x05);
gmehmet 0:a12d6976d64c 61 // ret |= writeReg(MAX20303::REG_AP_DATOUT1, 0x34);
gmehmet 0:a12d6976d64c 62 //
gmehmet 0:a12d6976d64c 63 // readReg(MAX20303::REG_AP_CMDOUT, val);
gmehmet 0:a12d6976d64c 64 // readReg(MAX20303::REG_AP_DATOUT0, val);
gmehmet 0:a12d6976d64c 65 // readReg(MAX20303::REG_AP_DATOUT1, val);
gmehmet 0:a12d6976d64c 66 appcmdoutvalue_ = 0x40;
gmehmet 0:a12d6976d64c 67 appdatainoutbuffer_[0] = 0x05;
gmehmet 0:a12d6976d64c 68 appdatainoutbuffer_[1] = 0x34;
gmehmet 0:a12d6976d64c 69 AppWrite(2);
gmehmet 0:a12d6976d64c 70
gmehmet 0:a12d6976d64c 71 return ret;
gmehmet 0:a12d6976d64c 72 }
gmehmet 0:a12d6976d64c 73
gmehmet 0:a12d6976d64c 74 //******************************************************************************
gmehmet 0:a12d6976d64c 75 int MAX20303::LDO2Config()
gmehmet 0:a12d6976d64c 76 {
gmehmet 0:a12d6976d64c 77 int32_t ret = 0;
gmehmet 0:a12d6976d64c 78 uint8_t val;
gmehmet 0:a12d6976d64c 79 appcmdoutvalue_ = 0x42;
gmehmet 0:a12d6976d64c 80 appdatainoutbuffer_[0] = 0x01;
gmehmet 0:a12d6976d64c 81 appdatainoutbuffer_[1] = 0x15; // 0.9V + (0.1V * number) = 3V
gmehmet 0:a12d6976d64c 82 AppWrite(2);
gmehmet 0:a12d6976d64c 83
gmehmet 0:a12d6976d64c 84 return ret;
gmehmet 0:a12d6976d64c 85 }
gmehmet 0:a12d6976d64c 86
gmehmet 0:a12d6976d64c 87
gmehmet 0:a12d6976d64c 88 //******************************************************************************
gmehmet 0:a12d6976d64c 89 int MAX20303::writeReg(registers_t reg, uint8_t value)
gmehmet 0:a12d6976d64c 90 {
gmehmet 0:a12d6976d64c 91 int32_t ret;
gmehmet 0:a12d6976d64c 92
gmehmet 0:a12d6976d64c 93 char cmdData[2] = {reg, value};
gmehmet 0:a12d6976d64c 94
gmehmet 0:a12d6976d64c 95 ret = m_i2c->write(m_writeAddress, cmdData, sizeof(cmdData));
gmehmet 0:a12d6976d64c 96 //printf("MAX20303 write reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret)
gmehmet 0:a12d6976d64c 97
gmehmet 0:a12d6976d64c 98 if (ret != 0)
gmehmet 0:a12d6976d64c 99 return MAX20303_ERROR;
gmehmet 0:a12d6976d64c 100
gmehmet 0:a12d6976d64c 101 return MAX20303_NO_ERROR;
gmehmet 0:a12d6976d64c 102 }
gmehmet 0:a12d6976d64c 103
gmehmet 0:a12d6976d64c 104
gmehmet 0:a12d6976d64c 105 //******************************************************************************
gmehmet 0:a12d6976d64c 106 int MAX20303::readReg(registers_t reg, uint8_t &value)
gmehmet 0:a12d6976d64c 107 {
gmehmet 0:a12d6976d64c 108 int32_t ret;
gmehmet 0:a12d6976d64c 109
gmehmet 0:a12d6976d64c 110 char data = reg;
gmehmet 0:a12d6976d64c 111
gmehmet 0:a12d6976d64c 112 ret = m_i2c->write(m_writeAddress, &data, sizeof(data));
gmehmet 0:a12d6976d64c 113 if (ret != 0) {
gmehmet 0:a12d6976d64c 114 printf("%s - failed - ret: %d\n", __func__);
gmehmet 0:a12d6976d64c 115 return MAX20303_ERROR;
gmehmet 0:a12d6976d64c 116 }
gmehmet 0:a12d6976d64c 117
gmehmet 0:a12d6976d64c 118 ret = m_i2c->read(m_readAddress, &data, sizeof(data));
gmehmet 0:a12d6976d64c 119 if (ret != 0) {
gmehmet 0:a12d6976d64c 120 printf("%s - failed - ret: %d\n", __func__);
gmehmet 0:a12d6976d64c 121 return MAX20303_ERROR;
gmehmet 0:a12d6976d64c 122 }
gmehmet 0:a12d6976d64c 123
gmehmet 0:a12d6976d64c 124 value = data;
gmehmet 0:a12d6976d64c 125 printf("MAX20303 read reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret);
gmehmet 0:a12d6976d64c 126 return MAX20303_NO_ERROR;
gmehmet 0:a12d6976d64c 127 }
gmehmet 0:a12d6976d64c 128
gmehmet 0:a12d6976d64c 129 //******************************************************************************
gmehmet 0:a12d6976d64c 130 int MAX20303::readRegMulti(registers_t reg, uint8_t *value, uint8_t len){
gmehmet 0:a12d6976d64c 131 int32_t ret;
gmehmet 0:a12d6976d64c 132 char data = reg;
gmehmet 0:a12d6976d64c 133
gmehmet 0:a12d6976d64c 134 ret = m_i2c->write(m_writeAddress, &data, sizeof(data));
gmehmet 0:a12d6976d64c 135 if (ret != 0) {
gmehmet 0:a12d6976d64c 136 printf("%s - failed - ret: %d\n", __func__);
gmehmet 0:a12d6976d64c 137 return MAX20303_ERROR;
gmehmet 0:a12d6976d64c 138 }
gmehmet 0:a12d6976d64c 139
gmehmet 0:a12d6976d64c 140 ret = m_i2c->read(m_readAddress, (char *)value, len);
gmehmet 0:a12d6976d64c 141 if (ret != 0) {
gmehmet 0:a12d6976d64c 142 printf("%s - failed - ret: %d\n", __func__);
gmehmet 0:a12d6976d64c 143 return MAX20303_ERROR;
gmehmet 0:a12d6976d64c 144 }
gmehmet 0:a12d6976d64c 145
gmehmet 0:a12d6976d64c 146 printf("MAX20303 read reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret);
gmehmet 0:a12d6976d64c 147 return MAX20303_NO_ERROR;
gmehmet 0:a12d6976d64c 148 }
gmehmet 0:a12d6976d64c 149
gmehmet 0:a12d6976d64c 150 //******************************************************************************
gmehmet 0:a12d6976d64c 151 int MAX20303::writeRegMulti(registers_t reg, uint8_t *value, uint8_t len){
gmehmet 0:a12d6976d64c 152 int32_t ret;
gmehmet 0:a12d6976d64c 153 i2cbuffer_[0] = reg;
gmehmet 0:a12d6976d64c 154 memcpy(&i2cbuffer_[1], value, len);
gmehmet 0:a12d6976d64c 155
gmehmet 0:a12d6976d64c 156 ret = m_i2c->write(m_writeAddress, (char *)i2cbuffer_, (len+1));
gmehmet 0:a12d6976d64c 157 //printf("MAX20303 write reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret)
gmehmet 0:a12d6976d64c 158
gmehmet 0:a12d6976d64c 159 if (ret != 0)
gmehmet 0:a12d6976d64c 160 return MAX20303_ERROR;
gmehmet 0:a12d6976d64c 161
gmehmet 0:a12d6976d64c 162 return MAX20303_NO_ERROR;
gmehmet 0:a12d6976d64c 163 }
gmehmet 0:a12d6976d64c 164 //******************************************************************************
gmehmet 0:a12d6976d64c 165 int MAX20303::mv2bits(int mV)
gmehmet 0:a12d6976d64c 166 {
gmehmet 0:a12d6976d64c 167 int regBits;
gmehmet 0:a12d6976d64c 168
gmehmet 0:a12d6976d64c 169 if (( MAX20303_LDO_MIN_MV <= mV) && (mV <= MAX20303_LDO_MAX_MV)) {
gmehmet 0:a12d6976d64c 170 regBits = (mV - MAX20303_LDO_MIN_MV) / MAX20303_LDO_STEP_MV;
gmehmet 0:a12d6976d64c 171 } else {
gmehmet 0:a12d6976d64c 172 return -1;
gmehmet 0:a12d6976d64c 173 }
gmehmet 0:a12d6976d64c 174
gmehmet 0:a12d6976d64c 175 return regBits;
gmehmet 0:a12d6976d64c 176 }
gmehmet 0:a12d6976d64c 177 //******************************************************************************
gmehmet 0:a12d6976d64c 178 int MAX20303::PowerOffthePMIC(){
gmehmet 0:a12d6976d64c 179 int ret;
gmehmet 0:a12d6976d64c 180 appdatainoutbuffer_[0] = 0xB2;
gmehmet 0:a12d6976d64c 181 appcmdoutvalue_ = 0x80;
gmehmet 0:a12d6976d64c 182 ret = AppWrite(1);
gmehmet 0:a12d6976d64c 183
gmehmet 0:a12d6976d64c 184 if(appcmdoutvalue_ != 0x80){
gmehmet 0:a12d6976d64c 185 ret |= MAX20303_ERROR;
gmehmet 0:a12d6976d64c 186 }
gmehmet 0:a12d6976d64c 187
gmehmet 0:a12d6976d64c 188 return ret;
gmehmet 0:a12d6976d64c 189 }
gmehmet 0:a12d6976d64c 190 //******************************************************************************
gmehmet 0:a12d6976d64c 191 int MAX20303::PowerOffDelaythePMIC(){
gmehmet 0:a12d6976d64c 192 int ret;
gmehmet 0:a12d6976d64c 193 appdatainoutbuffer_[0] = 0xB2;
gmehmet 0:a12d6976d64c 194 appcmdoutvalue_ = 0x84;
gmehmet 0:a12d6976d64c 195 ret = AppWrite(1);
gmehmet 0:a12d6976d64c 196
gmehmet 0:a12d6976d64c 197 if(appcmdoutvalue_ != 0x80){
gmehmet 0:a12d6976d64c 198 ret |= MAX20303_ERROR;
gmehmet 0:a12d6976d64c 199 }
gmehmet 0:a12d6976d64c 200
gmehmet 0:a12d6976d64c 201 return ret;
gmehmet 0:a12d6976d64c 202 }
gmehmet 0:a12d6976d64c 203
gmehmet 0:a12d6976d64c 204 //******************************************************************************
gmehmet 0:a12d6976d64c 205 int MAX20303::SoftResetthePMIC(){
gmehmet 0:a12d6976d64c 206 int ret;
gmehmet 0:a12d6976d64c 207 appdatainoutbuffer_[0] = 0xB3;
gmehmet 0:a12d6976d64c 208 appcmdoutvalue_ = 0x81;
gmehmet 0:a12d6976d64c 209 ret = AppWrite(1);
gmehmet 0:a12d6976d64c 210
gmehmet 0:a12d6976d64c 211 if(appcmdoutvalue_ != 0x81){
gmehmet 0:a12d6976d64c 212 ret |= MAX20303_ERROR;
gmehmet 0:a12d6976d64c 213 }
gmehmet 0:a12d6976d64c 214
gmehmet 0:a12d6976d64c 215 return ret;
gmehmet 0:a12d6976d64c 216 }
gmehmet 0:a12d6976d64c 217 //******************************************************************************
gmehmet 0:a12d6976d64c 218 int MAX20303::HardResetthePMIC(){
gmehmet 0:a12d6976d64c 219 int ret;
gmehmet 0:a12d6976d64c 220 appdatainoutbuffer_[0] = 0xB4;
gmehmet 0:a12d6976d64c 221 appcmdoutvalue_ = 0x82;
gmehmet 0:a12d6976d64c 222 ret = AppWrite(1);
gmehmet 0:a12d6976d64c 223
gmehmet 0:a12d6976d64c 224 if(appcmdoutvalue_ != 0x82){
gmehmet 0:a12d6976d64c 225 ret |= MAX20303_ERROR;
gmehmet 0:a12d6976d64c 226 }
gmehmet 0:a12d6976d64c 227
gmehmet 0:a12d6976d64c 228 return ret;
gmehmet 0:a12d6976d64c 229 }
gmehmet 0:a12d6976d64c 230
gmehmet 0:a12d6976d64c 231 //******************************************************************************
gmehmet 0:a12d6976d64c 232 int MAX20303::AppWrite(uint8_t dataoutlen){
gmehmet 0:a12d6976d64c 233 int ret;
gmehmet 0:a12d6976d64c 234
gmehmet 0:a12d6976d64c 235 ret = writeRegMulti(MAX20303::REG_AP_DATOUT0, appdatainoutbuffer_, dataoutlen);
gmehmet 0:a12d6976d64c 236 ret |= writeReg(MAX20303::REG_AP_CMDOUT, appcmdoutvalue_);
gmehmet 0:a12d6976d64c 237 wait_ms(10);
gmehmet 0:a12d6976d64c 238 ret |= readReg(MAX20303::REG_AP_RESPONSE, appcmdoutvalue_);
gmehmet 0:a12d6976d64c 239
gmehmet 0:a12d6976d64c 240 if(ret != 0)
gmehmet 0:a12d6976d64c 241 return MAX20303_ERROR;
gmehmet 0:a12d6976d64c 242
gmehmet 0:a12d6976d64c 243 return MAX20303_NO_ERROR;
gmehmet 0:a12d6976d64c 244 }
gmehmet 0:a12d6976d64c 245
gmehmet 0:a12d6976d64c 246
gmehmet 0:a12d6976d64c 247 //******************************************************************************
gmehmet 0:a12d6976d64c 248 int MAX20303::AppRead(uint8_t datainlen){
gmehmet 0:a12d6976d64c 249 int ret;
gmehmet 0:a12d6976d64c 250
gmehmet 0:a12d6976d64c 251 ret = writeReg(MAX20303::REG_AP_CMDOUT, appcmdoutvalue_);
gmehmet 0:a12d6976d64c 252 wait_ms(10);
gmehmet 0:a12d6976d64c 253 ret |= readRegMulti(MAX20303::REG_AP_RESPONSE, i2cbuffer_, datainlen);
gmehmet 0:a12d6976d64c 254 if(ret != 0)
gmehmet 0:a12d6976d64c 255 return MAX20303_ERROR;
gmehmet 0:a12d6976d64c 256
gmehmet 0:a12d6976d64c 257 return MAX20303_NO_ERROR;
gmehmet 0:a12d6976d64c 258 }
gmehmet 0:a12d6976d64c 259
gmehmet 0:a12d6976d64c 260 //******************************************************************************
gmehmet 0:a12d6976d64c 261 char MAX20303::CheckPMICHWID(){
gmehmet 0:a12d6976d64c 262 int ret;
gmehmet 0:a12d6976d64c 263 uint8_t value = 0x00;
gmehmet 0:a12d6976d64c 264
gmehmet 0:a12d6976d64c 265 ret = readReg(MAX20303::REG_HARDWARE_ID, value);
gmehmet 0:a12d6976d64c 266 if(ret != MAX20303_NO_ERROR)
gmehmet 0:a12d6976d64c 267 return false;
gmehmet 0:a12d6976d64c 268
gmehmet 0:a12d6976d64c 269 if(value == 0x02)
gmehmet 0:a12d6976d64c 270 return true;
gmehmet 0:a12d6976d64c 271 else
gmehmet 0:a12d6976d64c 272 return false;
gmehmet 0:a12d6976d64c 273 }
gmehmet 0:a12d6976d64c 274
gmehmet 0:a12d6976d64c 275 //******************************************************************************
gmehmet 0:a12d6976d64c 276 int MAX20303::CheckPMICStatusRegisters(unsigned char buf_results[5]){
gmehmet 0:a12d6976d64c 277 int ret;
gmehmet 0:a12d6976d64c 278 ret = readReg(MAX20303::REG_STATUS0, buf_results[0]);
gmehmet 0:a12d6976d64c 279 ret |= readReg(MAX20303::REG_STATUS1, buf_results[1]);
gmehmet 0:a12d6976d64c 280 ret |= readReg(MAX20303::REG_STATUS2, buf_results[2]);
gmehmet 0:a12d6976d64c 281 ret |= readReg(MAX20303::REG_STATUS3, buf_results[3]);
gmehmet 0:a12d6976d64c 282 ret |= readReg(MAX20303::REG_SYSTEM_ERROR, buf_results[4]);
gmehmet 0:a12d6976d64c 283 return ret;
gmehmet 0:a12d6976d64c 284 }
gmehmet 0:a12d6976d64c 285
gmehmet 0:a12d6976d64c 286 //******************************************************************************
gmehmet 0:a12d6976d64c 287 int MAX20303::Max20303_BatteryGauge(unsigned char *batterylevel){
gmehmet 0:a12d6976d64c 288 int ret;
gmehmet 0:a12d6976d64c 289 char data[2];
gmehmet 0:a12d6976d64c 290
gmehmet 0:a12d6976d64c 291 data[0] = 0x04;
gmehmet 0:a12d6976d64c 292 ret = m_i2c->write(MAX20303_I2C_ADDR_FUEL_GAUGE, data, 1);
gmehmet 0:a12d6976d64c 293 if(ret != 0){
gmehmet 0:a12d6976d64c 294 printf("Max20303_FuelGauge has failed\r\n");
gmehmet 0:a12d6976d64c 295 }
gmehmet 0:a12d6976d64c 296
gmehmet 0:a12d6976d64c 297 ret = m_i2c->read(MAX20303_I2C_ADDR_FUEL_GAUGE | 1, data, 2);
gmehmet 0:a12d6976d64c 298 if(ret != 0){
gmehmet 0:a12d6976d64c 299 printf("Max20303_FuelGauge has failed\r\n");
gmehmet 0:a12d6976d64c 300 }
gmehmet 0:a12d6976d64c 301
gmehmet 0:a12d6976d64c 302 // if the level is more than 100 assume the battery is not connected
gmehmet 0:a12d6976d64c 303 if(data[0] > 100){
gmehmet 0:a12d6976d64c 304 *batterylevel = 0;
gmehmet 0:a12d6976d64c 305 } else{
gmehmet 0:a12d6976d64c 306
gmehmet 0:a12d6976d64c 307 *batterylevel = data[0];
gmehmet 0:a12d6976d64c 308 }
gmehmet 0:a12d6976d64c 309 return 0;
gmehmet 0:a12d6976d64c 310 }
gmehmet 0:a12d6976d64c 311
gmehmet 0:a12d6976d64c 312
gmehmet 0:a12d6976d64c 313 //******************************************************************************
gmehmet 0:a12d6976d64c 314 int MAX20303::led0on(char enable) {
gmehmet 0:a12d6976d64c 315
gmehmet 0:a12d6976d64c 316 if(enable)
gmehmet 0:a12d6976d64c 317 return writeReg(REG_LED0_DIRECT, 0x21);
gmehmet 0:a12d6976d64c 318 else
gmehmet 0:a12d6976d64c 319 return writeReg(REG_LED0_DIRECT, 0x01);
gmehmet 0:a12d6976d64c 320 }
gmehmet 0:a12d6976d64c 321
gmehmet 0:a12d6976d64c 322 //******************************************************************************
gmehmet 0:a12d6976d64c 323 int MAX20303::led1on(char enable) {
gmehmet 0:a12d6976d64c 324 if(enable)
gmehmet 0:a12d6976d64c 325 return writeReg(REG_LED1_DIRECT, 0x21);
gmehmet 0:a12d6976d64c 326 else
gmehmet 0:a12d6976d64c 327 return writeReg(REG_LED1_DIRECT, 0x01);
gmehmet 0:a12d6976d64c 328 }
gmehmet 0:a12d6976d64c 329
gmehmet 0:a12d6976d64c 330 //******************************************************************************
gmehmet 0:a12d6976d64c 331 int MAX20303::led2on(char enable) {
gmehmet 0:a12d6976d64c 332 if(enable)
gmehmet 0:a12d6976d64c 333 return writeReg(REG_LED2_DIRECT, 0x21);
gmehmet 0:a12d6976d64c 334 else
gmehmet 0:a12d6976d64c 335 return writeReg(REG_LED2_DIRECT, 0x01);
gmehmet 0:a12d6976d64c 336 }
gmehmet 0:a12d6976d64c 337
gmehmet 0:a12d6976d64c 338
gmehmet 0:a12d6976d64c 339 //******************************************************************************
gmehmet 0:a12d6976d64c 340 int MAX20303::BoostEnable(void) {
gmehmet 0:a12d6976d64c 341 writeReg(REG_AP_DATOUT3, 0x00); // 00 : 5V
gmehmet 0:a12d6976d64c 342 writeReg(REG_AP_DATOUT0, 0x01); // Boost Enabled
gmehmet 0:a12d6976d64c 343 writeReg(REG_AP_CMDOUT, 0x30);
gmehmet 0:a12d6976d64c 344 return MAX20303_NO_ERROR;
gmehmet 0:a12d6976d64c 345 }
gmehmet 0:a12d6976d64c 346
gmehmet 0:a12d6976d64c 347 //******************************************************************************
gmehmet 0:a12d6976d64c 348 int MAX20303::BuckBoostEnable(void)
gmehmet 0:a12d6976d64c 349 {
gmehmet 0:a12d6976d64c 350 int ret = 0;
gmehmet 0:a12d6976d64c 351
gmehmet 0:a12d6976d64c 352 ret |= writeReg( REG_AP_DATOUT0, 0x00); // Reserved = 0x00
gmehmet 0:a12d6976d64c 353 ret |= writeReg( REG_AP_DATOUT1, 0x04); // BBstlSet = 0b'100 Buck Boost Peak current Limit = 200mA
gmehmet 0:a12d6976d64c 354 ret |= writeReg( REG_AP_DATOUT2, 0x19); // BBstVSet = 0b'11001 Buck Boost Output Voltage = 5V
gmehmet 0:a12d6976d64c 355 ret |= writeReg( REG_AP_DATOUT3, 0x01); // BBstRipRed = 1 Ripple Reduction
gmehmet 0:a12d6976d64c 356 // BBstAct = 1 Actively discharged in Hard-Reset or Enable Low
gmehmet 0:a12d6976d64c 357 // BBstPas = 1 Passively discharged in Hard-Reset or Enable Low
gmehmet 0:a12d6976d64c 358 // BBstMd = 1 Damping Enabled
gmehmet 0:a12d6976d64c 359 // BBstInd = 0 Inductance is 4.7uH
gmehmet 0:a12d6976d64c 360 // BBstEn = 0b'01 Enabled
gmehmet 0:a12d6976d64c 361 ret |= writeReg( REG_AP_CMDOUT, 0x70);
gmehmet 0:a12d6976d64c 362 if (ret != 0)
gmehmet 0:a12d6976d64c 363 return MAX20303_ERROR;
gmehmet 0:a12d6976d64c 364
gmehmet 0:a12d6976d64c 365 return MAX20303_NO_ERROR;
gmehmet 0:a12d6976d64c 366 }