max32630 icarus board support library
MAX20303.cpp@1:ad243e13fa3d, 2018-12-17 (annotated)
- Committer:
- gmehmet
- Date:
- Mon Dec 17 13:38:24 2018 +0300
- Revision:
- 1:ad243e13fa3d
maxim max20303lib is older version and coused errors.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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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 | } |