mehmet gok / max32630hsp

max32630 icarus board support library

MAX20303.cpp@2:5da03fb73b5b, 2018-12-17 (annotated)

Committer:
gmehmet
Date:
Mon Dec 17 10:40:37 2018 +0000
Revision:
2:5da03fb73b5b
Parent:
1:ad243e13fa3d 
lib removed

Who changed what in which revision?

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gmehmet 1:ad243e13fa3d 1 /*******************************************************************************
gmehmet 1:ad243e13fa3d 2 * Copyright (C) 2018 Maxim Integrated Products, Inc., All Rights Reserved.
gmehmet 1:ad243e13fa3d 3 *
gmehmet 1:ad243e13fa3d 4 * Permission is hereby granted, free of charge, to any person obtaining a
gmehmet 1:ad243e13fa3d 5 * copy of this software and associated documentation files (the "Software"),
gmehmet 1:ad243e13fa3d 6 * to deal in the Software without restriction, including without limitation
gmehmet 1:ad243e13fa3d 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
gmehmet 1:ad243e13fa3d 8 * and/or sell copies of the Software, and to permit persons to whom the
gmehmet 1:ad243e13fa3d 9 * Software is furnished to do so, subject to the following conditions:
gmehmet 1:ad243e13fa3d 10 *
gmehmet 1:ad243e13fa3d 11 * The above copyright notice and this permission notice shall be included
gmehmet 1:ad243e13fa3d 12 * in all copies or substantial portions of the Software.
gmehmet 1:ad243e13fa3d 13 *
gmehmet 1:ad243e13fa3d 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
gmehmet 1:ad243e13fa3d 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
gmehmet 1:ad243e13fa3d 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
gmehmet 1:ad243e13fa3d 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
gmehmet 1:ad243e13fa3d 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
gmehmet 1:ad243e13fa3d 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
gmehmet 1:ad243e13fa3d 20 * OTHER DEALINGS IN THE SOFTWARE.
gmehmet 1:ad243e13fa3d 21 *
gmehmet 1:ad243e13fa3d 22 * Except as contained in this notice, the name of Maxim Integrated
gmehmet 1:ad243e13fa3d 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
gmehmet 1:ad243e13fa3d 24 * Products, Inc. Branding Policy.
gmehmet 1:ad243e13fa3d 25 *
gmehmet 1:ad243e13fa3d 26 * The mere transfer of this software does not imply any licenses
gmehmet 1:ad243e13fa3d 27 * of trade secrets, proprietary technology, copyrights, patents,
gmehmet 1:ad243e13fa3d 28 * trademarks, maskwork rights, or any other form of intellectual
gmehmet 1:ad243e13fa3d 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
gmehmet 1:ad243e13fa3d 30 * ownership rights.
gmehmet 1:ad243e13fa3d 31 *******************************************************************************
gmehmet 1:ad243e13fa3d 32 */
gmehmet 1:ad243e13fa3d 33
gmehmet 1:ad243e13fa3d 34
gmehmet 1:ad243e13fa3d 35 #include "MAX20303.h"
gmehmet 1:ad243e13fa3d 36
gmehmet 1:ad243e13fa3d 37
gmehmet 1:ad243e13fa3d 38
gmehmet 1:ad243e13fa3d 39 //******************************************************************************
gmehmet 1:ad243e13fa3d 40 MAX20303::MAX20303(I2C *i2c):
gmehmet 1:ad243e13fa3d 41 m_i2c(i2c), m_writeAddress(MAX20303_SLAVE_WR_ADDR),
gmehmet 1:ad243e13fa3d 42 m_readAddress(MAX20303_SLAVE_RD_ADDR)
gmehmet 1:ad243e13fa3d 43 {
gmehmet 1:ad243e13fa3d 44 }
gmehmet 1:ad243e13fa3d 45
gmehmet 1:ad243e13fa3d 46
gmehmet 1:ad243e13fa3d 47 //******************************************************************************
gmehmet 1:ad243e13fa3d 48 MAX20303::~MAX20303(void)
gmehmet 1:ad243e13fa3d 49 {
gmehmet 1:ad243e13fa3d 50 //empty block
gmehmet 1:ad243e13fa3d 51 }
gmehmet 1:ad243e13fa3d 52
gmehmet 1:ad243e13fa3d 53
gmehmet 1:ad243e13fa3d 54 //******************************************************************************
gmehmet 1:ad243e13fa3d 55 int MAX20303::LDO1Config()
gmehmet 1:ad243e13fa3d 56 {
gmehmet 1:ad243e13fa3d 57 int32_t ret = 0;
gmehmet 1:ad243e13fa3d 58 uint8_t val;
gmehmet 1:ad243e13fa3d 59 // ret |= writeReg(MAX20303::REG_AP_CMDOUT, 0x40);
gmehmet 1:ad243e13fa3d 60 // ret |= writeReg(MAX20303::REG_AP_DATOUT0, 0x05);
gmehmet 1:ad243e13fa3d 61 // ret |= writeReg(MAX20303::REG_AP_DATOUT1, 0x34);
gmehmet 1:ad243e13fa3d 62 //
gmehmet 1:ad243e13fa3d 63 // readReg(MAX20303::REG_AP_CMDOUT, val);
gmehmet 1:ad243e13fa3d 64 // readReg(MAX20303::REG_AP_DATOUT0, val);
gmehmet 1:ad243e13fa3d 65 // readReg(MAX20303::REG_AP_DATOUT1, val);
gmehmet 1:ad243e13fa3d 66 appcmdoutvalue_ = 0x40;
gmehmet 1:ad243e13fa3d 67 appdatainoutbuffer_[0] = 0x05;
gmehmet 1:ad243e13fa3d 68 appdatainoutbuffer_[1] = 0x34;
gmehmet 1:ad243e13fa3d 69 AppWrite(2);
gmehmet 1:ad243e13fa3d 70
gmehmet 1:ad243e13fa3d 71 return ret;
gmehmet 1:ad243e13fa3d 72 }
gmehmet 1:ad243e13fa3d 73
gmehmet 1:ad243e13fa3d 74 //******************************************************************************
gmehmet 1:ad243e13fa3d 75 int MAX20303::LDO2Config()
gmehmet 1:ad243e13fa3d 76 {
gmehmet 1:ad243e13fa3d 77 int32_t ret = 0;
gmehmet 1:ad243e13fa3d 78 uint8_t val;
gmehmet 1:ad243e13fa3d 79 appcmdoutvalue_ = 0x42;
gmehmet 1:ad243e13fa3d 80 appdatainoutbuffer_[0] = 0x01;
gmehmet 1:ad243e13fa3d 81 appdatainoutbuffer_[1] = 0x15; // 0.9V + (0.1V * number) = 3V
gmehmet 1:ad243e13fa3d 82 AppWrite(2);
gmehmet 1:ad243e13fa3d 83
gmehmet 1:ad243e13fa3d 84 return ret;
gmehmet 1:ad243e13fa3d 85 }
gmehmet 1:ad243e13fa3d 86
gmehmet 1:ad243e13fa3d 87
gmehmet 1:ad243e13fa3d 88 //******************************************************************************
gmehmet 1:ad243e13fa3d 89 int MAX20303::writeReg(registers_t reg, uint8_t value)
gmehmet 1:ad243e13fa3d 90 {
gmehmet 1:ad243e13fa3d 91 int32_t ret;
gmehmet 1:ad243e13fa3d 92
gmehmet 1:ad243e13fa3d 93 char cmdData[2] = {reg, value};
gmehmet 1:ad243e13fa3d 94
gmehmet 1:ad243e13fa3d 95 ret = m_i2c->write(m_writeAddress, cmdData, sizeof(cmdData));
gmehmet 1:ad243e13fa3d 96 //printf("MAX20303 write reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret)
gmehmet 1:ad243e13fa3d 97
gmehmet 1:ad243e13fa3d 98 if (ret != 0)
gmehmet 1:ad243e13fa3d 99 return MAX20303_ERROR;
gmehmet 1:ad243e13fa3d 100
gmehmet 1:ad243e13fa3d 101 return MAX20303_NO_ERROR;
gmehmet 1:ad243e13fa3d 102 }
gmehmet 1:ad243e13fa3d 103
gmehmet 1:ad243e13fa3d 104
gmehmet 1:ad243e13fa3d 105 //******************************************************************************
gmehmet 1:ad243e13fa3d 106 int MAX20303::readReg(registers_t reg, uint8_t &value)
gmehmet 1:ad243e13fa3d 107 {
gmehmet 1:ad243e13fa3d 108 int32_t ret;
gmehmet 1:ad243e13fa3d 109
gmehmet 1:ad243e13fa3d 110 char data = reg;
gmehmet 1:ad243e13fa3d 111
gmehmet 1:ad243e13fa3d 112 ret = m_i2c->write(m_writeAddress, &data, sizeof(data));
gmehmet 1:ad243e13fa3d 113 if (ret != 0) {
gmehmet 1:ad243e13fa3d 114 printf("%s - failed - ret: %d\n", __func__);
gmehmet 1:ad243e13fa3d 115 return MAX20303_ERROR;
gmehmet 1:ad243e13fa3d 116 }
gmehmet 1:ad243e13fa3d 117
gmehmet 1:ad243e13fa3d 118 ret = m_i2c->read(m_readAddress, &data, sizeof(data));
gmehmet 1:ad243e13fa3d 119 if (ret != 0) {
gmehmet 1:ad243e13fa3d 120 printf("%s - failed - ret: %d\n", __func__);
gmehmet 1:ad243e13fa3d 121 return MAX20303_ERROR;
gmehmet 1:ad243e13fa3d 122 }
gmehmet 1:ad243e13fa3d 123
gmehmet 1:ad243e13fa3d 124 value = data;
gmehmet 1:ad243e13fa3d 125 printf("MAX20303 read reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret);
gmehmet 1:ad243e13fa3d 126 return MAX20303_NO_ERROR;
gmehmet 1:ad243e13fa3d 127 }
gmehmet 1:ad243e13fa3d 128
gmehmet 1:ad243e13fa3d 129 //******************************************************************************
gmehmet 1:ad243e13fa3d 130 int MAX20303::readRegMulti(registers_t reg, uint8_t *value, uint8_t len){
gmehmet 1:ad243e13fa3d 131 int32_t ret;
gmehmet 1:ad243e13fa3d 132 char data = reg;
gmehmet 1:ad243e13fa3d 133
gmehmet 1:ad243e13fa3d 134 ret = m_i2c->write(m_writeAddress, &data, sizeof(data));
gmehmet 1:ad243e13fa3d 135 if (ret != 0) {
gmehmet 1:ad243e13fa3d 136 printf("%s - failed - ret: %d\n", __func__);
gmehmet 1:ad243e13fa3d 137 return MAX20303_ERROR;
gmehmet 1:ad243e13fa3d 138 }
gmehmet 1:ad243e13fa3d 139
gmehmet 1:ad243e13fa3d 140 ret = m_i2c->read(m_readAddress, (char *)value, len);
gmehmet 1:ad243e13fa3d 141 if (ret != 0) {
gmehmet 1:ad243e13fa3d 142 printf("%s - failed - ret: %d\n", __func__);
gmehmet 1:ad243e13fa3d 143 return MAX20303_ERROR;
gmehmet 1:ad243e13fa3d 144 }
gmehmet 1:ad243e13fa3d 145
gmehmet 1:ad243e13fa3d 146 printf("MAX20303 read reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret);
gmehmet 1:ad243e13fa3d 147 return MAX20303_NO_ERROR;
gmehmet 1:ad243e13fa3d 148 }
gmehmet 1:ad243e13fa3d 149
gmehmet 1:ad243e13fa3d 150 //******************************************************************************
gmehmet 1:ad243e13fa3d 151 int MAX20303::writeRegMulti(registers_t reg, uint8_t *value, uint8_t len){
gmehmet 1:ad243e13fa3d 152 int32_t ret;
gmehmet 1:ad243e13fa3d 153 i2cbuffer_[0] = reg;
gmehmet 1:ad243e13fa3d 154 memcpy(&i2cbuffer_[1], value, len);
gmehmet 1:ad243e13fa3d 155
gmehmet 1:ad243e13fa3d 156 ret = m_i2c->write(m_writeAddress, (char *)i2cbuffer_, (len+1));
gmehmet 1:ad243e13fa3d 157 //printf("MAX20303 write reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret)
gmehmet 1:ad243e13fa3d 158
gmehmet 1:ad243e13fa3d 159 if (ret != 0)
gmehmet 1:ad243e13fa3d 160 return MAX20303_ERROR;
gmehmet 1:ad243e13fa3d 161
gmehmet 1:ad243e13fa3d 162 return MAX20303_NO_ERROR;
gmehmet 1:ad243e13fa3d 163 }
gmehmet 1:ad243e13fa3d 164 //******************************************************************************
gmehmet 1:ad243e13fa3d 165 int MAX20303::mv2bits(int mV)
gmehmet 1:ad243e13fa3d 166 {
gmehmet 1:ad243e13fa3d 167 int regBits;
gmehmet 1:ad243e13fa3d 168
gmehmet 1:ad243e13fa3d 169 if (( MAX20303_LDO_MIN_MV <= mV) && (mV <= MAX20303_LDO_MAX_MV)) {
gmehmet 1:ad243e13fa3d 170 regBits = (mV - MAX20303_LDO_MIN_MV) / MAX20303_LDO_STEP_MV;
gmehmet 1:ad243e13fa3d 171 } else {
gmehmet 1:ad243e13fa3d 172 return -1;
gmehmet 1:ad243e13fa3d 173 }
gmehmet 1:ad243e13fa3d 174
gmehmet 1:ad243e13fa3d 175 return regBits;
gmehmet 1:ad243e13fa3d 176 }
gmehmet 1:ad243e13fa3d 177 //******************************************************************************
gmehmet 1:ad243e13fa3d 178 int MAX20303::PowerOffthePMIC(){
gmehmet 1:ad243e13fa3d 179 int ret;
gmehmet 1:ad243e13fa3d 180 appdatainoutbuffer_[0] = 0xB2;
gmehmet 1:ad243e13fa3d 181 appcmdoutvalue_ = 0x80;
gmehmet 1:ad243e13fa3d 182 ret = AppWrite(1);
gmehmet 1:ad243e13fa3d 183
gmehmet 1:ad243e13fa3d 184 if(appcmdoutvalue_ != 0x80){
gmehmet 1:ad243e13fa3d 185 ret |= MAX20303_ERROR;
gmehmet 1:ad243e13fa3d 186 }
gmehmet 1:ad243e13fa3d 187
gmehmet 1:ad243e13fa3d 188 return ret;
gmehmet 1:ad243e13fa3d 189 }
gmehmet 1:ad243e13fa3d 190 //******************************************************************************
gmehmet 1:ad243e13fa3d 191 int MAX20303::PowerOffDelaythePMIC(){
gmehmet 1:ad243e13fa3d 192 int ret;
gmehmet 1:ad243e13fa3d 193 appdatainoutbuffer_[0] = 0xB2;
gmehmet 1:ad243e13fa3d 194 appcmdoutvalue_ = 0x84;
gmehmet 1:ad243e13fa3d 195 ret = AppWrite(1);
gmehmet 1:ad243e13fa3d 196
gmehmet 1:ad243e13fa3d 197 if(appcmdoutvalue_ != 0x80){
gmehmet 1:ad243e13fa3d 198 ret |= MAX20303_ERROR;
gmehmet 1:ad243e13fa3d 199 }
gmehmet 1:ad243e13fa3d 200
gmehmet 1:ad243e13fa3d 201 return ret;
gmehmet 1:ad243e13fa3d 202 }
gmehmet 1:ad243e13fa3d 203
gmehmet 1:ad243e13fa3d 204 //******************************************************************************
gmehmet 1:ad243e13fa3d 205 int MAX20303::SoftResetthePMIC(){
gmehmet 1:ad243e13fa3d 206 int ret;
gmehmet 1:ad243e13fa3d 207 appdatainoutbuffer_[0] = 0xB3;
gmehmet 1:ad243e13fa3d 208 appcmdoutvalue_ = 0x81;
gmehmet 1:ad243e13fa3d 209 ret = AppWrite(1);
gmehmet 1:ad243e13fa3d 210
gmehmet 1:ad243e13fa3d 211 if(appcmdoutvalue_ != 0x81){
gmehmet 1:ad243e13fa3d 212 ret |= MAX20303_ERROR;
gmehmet 1:ad243e13fa3d 213 }
gmehmet 1:ad243e13fa3d 214
gmehmet 1:ad243e13fa3d 215 return ret;
gmehmet 1:ad243e13fa3d 216 }
gmehmet 1:ad243e13fa3d 217 //******************************************************************************
gmehmet 1:ad243e13fa3d 218 int MAX20303::HardResetthePMIC(){
gmehmet 1:ad243e13fa3d 219 int ret;
gmehmet 1:ad243e13fa3d 220 appdatainoutbuffer_[0] = 0xB4;
gmehmet 1:ad243e13fa3d 221 appcmdoutvalue_ = 0x82;
gmehmet 1:ad243e13fa3d 222 ret = AppWrite(1);
gmehmet 1:ad243e13fa3d 223
gmehmet 1:ad243e13fa3d 224 if(appcmdoutvalue_ != 0x82){
gmehmet 1:ad243e13fa3d 225 ret |= MAX20303_ERROR;
gmehmet 1:ad243e13fa3d 226 }
gmehmet 1:ad243e13fa3d 227
gmehmet 1:ad243e13fa3d 228 return ret;
gmehmet 1:ad243e13fa3d 229 }
gmehmet 1:ad243e13fa3d 230
gmehmet 1:ad243e13fa3d 231 //******************************************************************************
gmehmet 1:ad243e13fa3d 232 int MAX20303::AppWrite(uint8_t dataoutlen){
gmehmet 1:ad243e13fa3d 233 int ret;
gmehmet 1:ad243e13fa3d 234
gmehmet 1:ad243e13fa3d 235 ret = writeRegMulti(MAX20303::REG_AP_DATOUT0, appdatainoutbuffer_, dataoutlen);
gmehmet 1:ad243e13fa3d 236 ret |= writeReg(MAX20303::REG_AP_CMDOUT, appcmdoutvalue_);
gmehmet 1:ad243e13fa3d 237 wait_ms(10);
gmehmet 1:ad243e13fa3d 238 ret |= readReg(MAX20303::REG_AP_RESPONSE, appcmdoutvalue_);
gmehmet 1:ad243e13fa3d 239
gmehmet 1:ad243e13fa3d 240 if(ret != 0)
gmehmet 1:ad243e13fa3d 241 return MAX20303_ERROR;
gmehmet 1:ad243e13fa3d 242
gmehmet 1:ad243e13fa3d 243 return MAX20303_NO_ERROR;
gmehmet 1:ad243e13fa3d 244 }
gmehmet 1:ad243e13fa3d 245
gmehmet 1:ad243e13fa3d 246
gmehmet 1:ad243e13fa3d 247 //******************************************************************************
gmehmet 1:ad243e13fa3d 248 int MAX20303::AppRead(uint8_t datainlen){
gmehmet 1:ad243e13fa3d 249 int ret;
gmehmet 1:ad243e13fa3d 250
gmehmet 1:ad243e13fa3d 251 ret = writeReg(MAX20303::REG_AP_CMDOUT, appcmdoutvalue_);
gmehmet 1:ad243e13fa3d 252 wait_ms(10);
gmehmet 1:ad243e13fa3d 253 ret |= readRegMulti(MAX20303::REG_AP_RESPONSE, i2cbuffer_, datainlen);
gmehmet 1:ad243e13fa3d 254 if(ret != 0)
gmehmet 1:ad243e13fa3d 255 return MAX20303_ERROR;
gmehmet 1:ad243e13fa3d 256
gmehmet 1:ad243e13fa3d 257 return MAX20303_NO_ERROR;
gmehmet 1:ad243e13fa3d 258 }
gmehmet 1:ad243e13fa3d 259
gmehmet 1:ad243e13fa3d 260 //******************************************************************************
gmehmet 1:ad243e13fa3d 261 char MAX20303::CheckPMICHWID(){
gmehmet 1:ad243e13fa3d 262 int ret;
gmehmet 1:ad243e13fa3d 263 uint8_t value = 0x00;
gmehmet 1:ad243e13fa3d 264
gmehmet 1:ad243e13fa3d 265 ret = readReg(MAX20303::REG_HARDWARE_ID, value);
gmehmet 1:ad243e13fa3d 266 if(ret != MAX20303_NO_ERROR)
gmehmet 1:ad243e13fa3d 267 return false;
gmehmet 1:ad243e13fa3d 268
gmehmet 1:ad243e13fa3d 269 if(value == 0x02)
gmehmet 1:ad243e13fa3d 270 return true;
gmehmet 1:ad243e13fa3d 271 else
gmehmet 1:ad243e13fa3d 272 return false;
gmehmet 1:ad243e13fa3d 273 }
gmehmet 1:ad243e13fa3d 274
gmehmet 1:ad243e13fa3d 275 //******************************************************************************
gmehmet 1:ad243e13fa3d 276 int MAX20303::CheckPMICStatusRegisters(unsigned char buf_results[5]){
gmehmet 1:ad243e13fa3d 277 int ret;
gmehmet 1:ad243e13fa3d 278 ret = readReg(MAX20303::REG_STATUS0, buf_results[0]);
gmehmet 1:ad243e13fa3d 279 ret |= readReg(MAX20303::REG_STATUS1, buf_results[1]);
gmehmet 1:ad243e13fa3d 280 ret |= readReg(MAX20303::REG_STATUS2, buf_results[2]);
gmehmet 1:ad243e13fa3d 281 ret |= readReg(MAX20303::REG_STATUS3, buf_results[3]);
gmehmet 1:ad243e13fa3d 282 ret |= readReg(MAX20303::REG_SYSTEM_ERROR, buf_results[4]);
gmehmet 1:ad243e13fa3d 283 return ret;
gmehmet 1:ad243e13fa3d 284 }
gmehmet 1:ad243e13fa3d 285
gmehmet 1:ad243e13fa3d 286 //******************************************************************************
gmehmet 1:ad243e13fa3d 287 int MAX20303::Max20303_BatteryGauge(unsigned char *batterylevel){
gmehmet 1:ad243e13fa3d 288 int ret;
gmehmet 1:ad243e13fa3d 289 char data[2];
gmehmet 1:ad243e13fa3d 290
gmehmet 1:ad243e13fa3d 291 data[0] = 0x04;
gmehmet 1:ad243e13fa3d 292 ret = m_i2c->write(MAX20303_I2C_ADDR_FUEL_GAUGE, data, 1);
gmehmet 1:ad243e13fa3d 293 if(ret != 0){
gmehmet 1:ad243e13fa3d 294 printf("Max20303_FuelGauge has failed\r\n");
gmehmet 1:ad243e13fa3d 295 }
gmehmet 1:ad243e13fa3d 296
gmehmet 1:ad243e13fa3d 297 ret = m_i2c->read(MAX20303_I2C_ADDR_FUEL_GAUGE | 1, data, 2);
gmehmet 1:ad243e13fa3d 298 if(ret != 0){
gmehmet 1:ad243e13fa3d 299 printf("Max20303_FuelGauge has failed\r\n");
gmehmet 1:ad243e13fa3d 300 }
gmehmet 1:ad243e13fa3d 301
gmehmet 1:ad243e13fa3d 302 // if the level is more than 100 assume the battery is not connected
gmehmet 1:ad243e13fa3d 303 if(data[0] > 100){
gmehmet 1:ad243e13fa3d 304 *batterylevel = 0;
gmehmet 1:ad243e13fa3d 305 } else{
gmehmet 1:ad243e13fa3d 306
gmehmet 1:ad243e13fa3d 307 *batterylevel = data[0];
gmehmet 1:ad243e13fa3d 308 }
gmehmet 1:ad243e13fa3d 309 return 0;
gmehmet 1:ad243e13fa3d 310 }
gmehmet 1:ad243e13fa3d 311
gmehmet 1:ad243e13fa3d 312
gmehmet 1:ad243e13fa3d 313 //******************************************************************************
gmehmet 1:ad243e13fa3d 314 int MAX20303::led0on(char enable) {
gmehmet 1:ad243e13fa3d 315
gmehmet 1:ad243e13fa3d 316 if(enable)
gmehmet 1:ad243e13fa3d 317 return writeReg(REG_LED0_DIRECT, 0x21);
gmehmet 1:ad243e13fa3d 318 else
gmehmet 1:ad243e13fa3d 319 return writeReg(REG_LED0_DIRECT, 0x01);
gmehmet 1:ad243e13fa3d 320 }
gmehmet 1:ad243e13fa3d 321
gmehmet 1:ad243e13fa3d 322 //******************************************************************************
gmehmet 1:ad243e13fa3d 323 int MAX20303::led1on(char enable) {
gmehmet 1:ad243e13fa3d 324 if(enable)
gmehmet 1:ad243e13fa3d 325 return writeReg(REG_LED1_DIRECT, 0x21);
gmehmet 1:ad243e13fa3d 326 else
gmehmet 1:ad243e13fa3d 327 return writeReg(REG_LED1_DIRECT, 0x01);
gmehmet 1:ad243e13fa3d 328 }
gmehmet 1:ad243e13fa3d 329
gmehmet 1:ad243e13fa3d 330 //******************************************************************************
gmehmet 1:ad243e13fa3d 331 int MAX20303::led2on(char enable) {
gmehmet 1:ad243e13fa3d 332 if(enable)
gmehmet 1:ad243e13fa3d 333 return writeReg(REG_LED2_DIRECT, 0x21);
gmehmet 1:ad243e13fa3d 334 else
gmehmet 1:ad243e13fa3d 335 return writeReg(REG_LED2_DIRECT, 0x01);
gmehmet 1:ad243e13fa3d 336 }
gmehmet 1:ad243e13fa3d 337
gmehmet 1:ad243e13fa3d 338
gmehmet 1:ad243e13fa3d 339 //******************************************************************************
gmehmet 1:ad243e13fa3d 340 int MAX20303::BoostEnable(void) {
gmehmet 1:ad243e13fa3d 341 writeReg(REG_AP_DATOUT3, 0x00); // 00 : 5V
gmehmet 1:ad243e13fa3d 342 writeReg(REG_AP_DATOUT0, 0x01); // Boost Enabled
gmehmet 1:ad243e13fa3d 343 writeReg(REG_AP_CMDOUT, 0x30);
gmehmet 1:ad243e13fa3d 344 return MAX20303_NO_ERROR;
gmehmet 1:ad243e13fa3d 345 }
gmehmet 1:ad243e13fa3d 346
gmehmet 1:ad243e13fa3d 347 //******************************************************************************
gmehmet 1:ad243e13fa3d 348 int MAX20303::BuckBoostEnable(void)
gmehmet 1:ad243e13fa3d 349 {
gmehmet 1:ad243e13fa3d 350 int ret = 0;
gmehmet 1:ad243e13fa3d 351
gmehmet 1:ad243e13fa3d 352 ret |= writeReg( REG_AP_DATOUT0, 0x00); // Reserved = 0x00
gmehmet 1:ad243e13fa3d 353 ret |= writeReg( REG_AP_DATOUT1, 0x04); // BBstlSet = 0b'100 Buck Boost Peak current Limit = 200mA
gmehmet 1:ad243e13fa3d 354 ret |= writeReg( REG_AP_DATOUT2, 0x19); // BBstVSet = 0b'11001 Buck Boost Output Voltage = 5V
gmehmet 1:ad243e13fa3d 355 ret |= writeReg( REG_AP_DATOUT3, 0x01); // BBstRipRed = 1 Ripple Reduction
gmehmet 1:ad243e13fa3d 356 // BBstAct = 1 Actively discharged in Hard-Reset or Enable Low
gmehmet 1:ad243e13fa3d 357 // BBstPas = 1 Passively discharged in Hard-Reset or Enable Low
gmehmet 1:ad243e13fa3d 358 // BBstMd = 1 Damping Enabled
gmehmet 1:ad243e13fa3d 359 // BBstInd = 0 Inductance is 4.7uH
gmehmet 1:ad243e13fa3d 360 // BBstEn = 0b'01 Enabled
gmehmet 1:ad243e13fa3d 361 ret |= writeReg( REG_AP_CMDOUT, 0x70);
gmehmet 1:ad243e13fa3d 362 if (ret != 0)
gmehmet 1:ad243e13fa3d 363 return MAX20303_ERROR;
gmehmet 1:ad243e13fa3d 364
gmehmet 1:ad243e13fa3d 365 return MAX20303_NO_ERROR;
gmehmet 1:ad243e13fa3d 366 }