Library for the MAX11300
MAX113XX_Pixi.cpp@17:658202c79f33, 2017-05-13 (annotated)
- Committer:
- j3
- Date:
- Sat May 13 00:11:38 2017 +0000
- Revision:
- 17:658202c79f33
- Parent:
- 16:01d793a25548
- Child:
- 18:8ee1928ffe6c
Added I2C implementation
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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j3 | 7:8669a53acd0d | 1 | /********************************************************************** |
j3 | 7:8669a53acd0d | 2 | * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. |
j3 | 7:8669a53acd0d | 3 | * |
j3 | 7:8669a53acd0d | 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
j3 | 7:8669a53acd0d | 5 | * copy of this software and associated documentation files (the "Software"), |
j3 | 7:8669a53acd0d | 6 | * to deal in the Software without restriction, including without limitation |
j3 | 7:8669a53acd0d | 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
j3 | 7:8669a53acd0d | 8 | * and/or sell copies of the Software, and to permit persons to whom the |
j3 | 7:8669a53acd0d | 9 | * Software is furnished to do so, subject to the following conditions: |
j3 | 7:8669a53acd0d | 10 | * |
j3 | 7:8669a53acd0d | 11 | * The above copyright notice and this permission notice shall be included |
j3 | 7:8669a53acd0d | 12 | * in all copies or substantial portions of the Software. |
j3 | 7:8669a53acd0d | 13 | * |
j3 | 7:8669a53acd0d | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
j3 | 7:8669a53acd0d | 15 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
j3 | 7:8669a53acd0d | 16 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
j3 | 7:8669a53acd0d | 17 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
j3 | 7:8669a53acd0d | 18 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
j3 | 7:8669a53acd0d | 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
j3 | 7:8669a53acd0d | 20 | * OTHER DEALINGS IN THE SOFTWARE. |
j3 | 7:8669a53acd0d | 21 | * |
j3 | 7:8669a53acd0d | 22 | * Except as contained in this notice, the name of Maxim Integrated |
j3 | 7:8669a53acd0d | 23 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
j3 | 7:8669a53acd0d | 24 | * Products, Inc. Branding Policy. |
j3 | 7:8669a53acd0d | 25 | * |
j3 | 7:8669a53acd0d | 26 | * The mere transfer of this software does not imply any licenses |
j3 | 7:8669a53acd0d | 27 | * of trade secrets, proprietary technology, copyrights, patents, |
j3 | 7:8669a53acd0d | 28 | * trademarks, maskwork rights, or any other form of intellectual |
j3 | 7:8669a53acd0d | 29 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
j3 | 7:8669a53acd0d | 30 | * ownership rights. |
j3 | 7:8669a53acd0d | 31 | **********************************************************************/ |
j3 | 7:8669a53acd0d | 32 | |
j3 | 9:094df3de3616 | 33 | |
j3 | 7:8669a53acd0d | 34 | #include "MAX113XX_Pixi.h" |
j3 | 7:8669a53acd0d | 35 | |
j3 | 9:094df3de3616 | 36 | |
j3 | 9:094df3de3616 | 37 | //20 port devices |
j3 | 9:094df3de3616 | 38 | #if defined(_MAX11300_DESIGNVALUE_H_) || defined(_MAX11301_DESIGNVALUE_H_) |
j3 | 12:8054ee101bad | 39 | |
j3 | 12:8054ee101bad | 40 | static const uint16_t configDesignVals[18] = { |
j3 | 12:8054ee101bad | 41 | gpo_data_15_to_0_DESIGNVALUE, |
j3 | 12:8054ee101bad | 42 | gpo_data_19_to_16_DESIGNVALUE, |
j3 | 12:8054ee101bad | 43 | 0, //reserved |
j3 | 12:8054ee101bad | 44 | device_control_DESIGNVALUE, |
j3 | 12:8054ee101bad | 45 | interrupt_mask_DESIGNVALUE, |
j3 | 12:8054ee101bad | 46 | gpi_irqmode_7_to_0_DESIGNVALUE, |
j3 | 12:8054ee101bad | 47 | gpi_irqmode_15_to_8_DESIGNVALUE, |
j3 | 12:8054ee101bad | 48 | gpi_irqmode_19_to_16_DESIGNVALUE, |
j3 | 12:8054ee101bad | 49 | 0, //reserved |
j3 | 12:8054ee101bad | 50 | dac_preset_data_1_DESIGNVALUE, |
j3 | 12:8054ee101bad | 51 | dac_preset_data_2_DESIGNVALUE, |
j3 | 12:8054ee101bad | 52 | tmp_mon_cfg_DESIGNVALUE, |
j3 | 12:8054ee101bad | 53 | tmp_mon_int_hi_thresh_DESIGNVALUE, |
j3 | 12:8054ee101bad | 54 | tmp_mon_int_lo_thresh_DESIGNVALUE, |
j3 | 12:8054ee101bad | 55 | tmp_mon_ext1_hi_thresh_DESIGNVALUE, |
j3 | 12:8054ee101bad | 56 | tmp_mon_ext1_lo_thresh_DESIGNVALUE, |
j3 | 12:8054ee101bad | 57 | tmp_mon_ext2_hi_thresh_DESIGNVALUE, |
j3 | 12:8054ee101bad | 58 | tmp_mon_ext2_lo_thresh_DESIGNVALUE}; |
j3 | 12:8054ee101bad | 59 | |
j3 | 9:094df3de3616 | 60 | static const uint16_t portConfigDesignVals[20] = { |
j3 | 7:8669a53acd0d | 61 | port_cfg_00_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 62 | port_cfg_01_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 63 | port_cfg_02_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 64 | port_cfg_03_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 65 | port_cfg_04_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 66 | port_cfg_05_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 67 | port_cfg_06_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 68 | port_cfg_07_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 69 | port_cfg_08_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 70 | port_cfg_09_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 71 | port_cfg_10_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 72 | port_cfg_11_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 73 | port_cfg_12_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 74 | port_cfg_13_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 75 | port_cfg_14_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 76 | port_cfg_15_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 77 | port_cfg_16_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 78 | port_cfg_17_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 79 | port_cfg_18_DESIGNVALUE, |
j3 | 7:8669a53acd0d | 80 | port_cfg_19_DESIGNVALUE}; |
j3 | 12:8054ee101bad | 81 | |
j3 | 12:8054ee101bad | 82 | static const uint16_t dacDesignVals[20]= { |
j3 | 12:8054ee101bad | 83 | dac_data_port_00_DESIGNVALUE, |
j3 | 12:8054ee101bad | 84 | dac_data_port_01_DESIGNVALUE, |
j3 | 12:8054ee101bad | 85 | dac_data_port_02_DESIGNVALUE, |
j3 | 12:8054ee101bad | 86 | dac_data_port_03_DESIGNVALUE, |
j3 | 12:8054ee101bad | 87 | dac_data_port_04_DESIGNVALUE, |
j3 | 12:8054ee101bad | 88 | dac_data_port_05_DESIGNVALUE, |
j3 | 12:8054ee101bad | 89 | dac_data_port_06_DESIGNVALUE, |
j3 | 12:8054ee101bad | 90 | dac_data_port_07_DESIGNVALUE, |
j3 | 12:8054ee101bad | 91 | dac_data_port_08_DESIGNVALUE, |
j3 | 12:8054ee101bad | 92 | dac_data_port_09_DESIGNVALUE, |
j3 | 12:8054ee101bad | 93 | dac_data_port_10_DESIGNVALUE, |
j3 | 12:8054ee101bad | 94 | dac_data_port_11_DESIGNVALUE, |
j3 | 12:8054ee101bad | 95 | dac_data_port_12_DESIGNVALUE, |
j3 | 12:8054ee101bad | 96 | dac_data_port_13_DESIGNVALUE, |
j3 | 12:8054ee101bad | 97 | dac_data_port_14_DESIGNVALUE, |
j3 | 12:8054ee101bad | 98 | dac_data_port_15_DESIGNVALUE, |
j3 | 12:8054ee101bad | 99 | dac_data_port_16_DESIGNVALUE, |
j3 | 12:8054ee101bad | 100 | dac_data_port_17_DESIGNVALUE, |
j3 | 12:8054ee101bad | 101 | dac_data_port_18_DESIGNVALUE, |
j3 | 12:8054ee101bad | 102 | dac_data_port_19_DESIGNVALUE}; |
j3 | 12:8054ee101bad | 103 | |
j3 | 9:094df3de3616 | 104 | #endif |
j3 | 9:094df3de3616 | 105 | |
j3 | 9:094df3de3616 | 106 | //12 port devices... |
j3 | 9:094df3de3616 | 107 | #if defined(_MAX11311_DESIGNVALUE_H_) || defined(_MAX11312_DESIGNVALUE_H_) |
j3 | 9:094df3de3616 | 108 | static const uint16_t portConfigDesignVals[12] = { |
j3 | 9:094df3de3616 | 109 | port_cfg_p0_DESIGNVALUE, |
j3 | 9:094df3de3616 | 110 | port_cfg_p1_DESIGNVALUE, |
j3 | 9:094df3de3616 | 111 | port_cfg_p2_DESIGNVALUE, |
j3 | 9:094df3de3616 | 112 | port_cfg_p3_DESIGNVALUE, |
j3 | 9:094df3de3616 | 113 | port_cfg_p4_DESIGNVALUE, |
j3 | 9:094df3de3616 | 114 | port_cfg_p5_DESIGNVALUE, |
j3 | 9:094df3de3616 | 115 | port_cfg_p6_DESIGNVALUE, |
j3 | 9:094df3de3616 | 116 | port_cfg_p7_DESIGNVALUE, |
j3 | 9:094df3de3616 | 117 | port_cfg_p8_DESIGNVALUE, |
j3 | 9:094df3de3616 | 118 | port_cfg_p9_DESIGNVALUE, |
j3 | 9:094df3de3616 | 119 | port_cfg_p10_DESIGNVALUE, |
j3 | 9:094df3de3616 | 120 | port_cfg_p11_DESIGNVALUE}; |
j3 | 9:094df3de3616 | 121 | #endif |
j3 | 9:094df3de3616 | 122 | |
j3 | 7:8669a53acd0d | 123 | |
j3 | 7:8669a53acd0d | 124 | //************************** Base Class member fxs ***************************** |
j3 | 9:094df3de3616 | 125 | MAX113XX_Pixi::MAX113XX_Pixi(Device_e device, PinName cnvt): |
j3 | 9:094df3de3616 | 126 | m_device(device), m_cnvt(cnvt, 1) |
j3 | 7:8669a53acd0d | 127 | { |
j3 | 11:31e7ca030b8f | 128 | } |
j3 | 11:31e7ca030b8f | 129 | |
j3 | 12:8054ee101bad | 130 | //********************************************************************* |
j3 | 12:8054ee101bad | 131 | MAX113XX_Pixi::CmdResult_e MAX113XX_Pixi::singleEndedADCRead(Ports_e port, |
j3 | 12:8054ee101bad | 132 | uint16_t &data) |
j3 | 12:8054ee101bad | 133 | { |
j3 | 12:8054ee101bad | 134 | MAX113XX_Pixi::CmdResult_e result = MAX113XX_Pixi::OpFailure; |
j3 | 12:8054ee101bad | 135 | |
j3 | 15:fb674d741844 | 136 | //check for type of device |
j3 | 12:8054ee101bad | 137 | if(m_device == MAX11300 || m_device == MAX11301) //20 port device |
j3 | 12:8054ee101bad | 138 | { |
j3 | 15:fb674d741844 | 139 | //is this port configured for this operation? |
j3 | 12:8054ee101bad | 140 | if(((portConfigDesignVals[port] & 0xF000) >> 12) == MAX113XX_Pixi::MODE_7) |
j3 | 12:8054ee101bad | 141 | { |
j3 | 15:fb674d741844 | 142 | //Is device configured for continuous sweep? |
j3 | 15:fb674d741844 | 143 | if((device_control_DESIGNVALUE & device_control_ADCCTL) != MAX113XX_Pixi::ContinuousSweep) |
j3 | 12:8054ee101bad | 144 | { |
j3 | 15:fb674d741844 | 145 | //No, generate sample requests for averaging |
j3 | 15:fb674d741844 | 146 | uint8_t num_samples = ((portConfigDesignVals[port] & port_cfg_00_funcprm_nsamples) >> 5); |
j3 | 15:fb674d741844 | 147 | num_samples = (1 << num_samples); |
j3 | 15:fb674d741844 | 148 | |
j3 | 15:fb674d741844 | 149 | while(num_samples--) |
j3 | 15:fb674d741844 | 150 | { |
j3 | 15:fb674d741844 | 151 | m_cnvt = 0; |
j3 | 15:fb674d741844 | 152 | wait_us(1); |
j3 | 15:fb674d741844 | 153 | m_cnvt = 1; |
j3 | 15:fb674d741844 | 154 | wait_us(100); |
j3 | 15:fb674d741844 | 155 | } |
j3 | 12:8054ee101bad | 156 | } |
j3 | 15:fb674d741844 | 157 | |
j3 | 12:8054ee101bad | 158 | data = readRegister((adc_data_port_00 + port)); |
j3 | 12:8054ee101bad | 159 | |
j3 | 12:8054ee101bad | 160 | result = MAX113XX_Pixi::Success; |
j3 | 12:8054ee101bad | 161 | } |
j3 | 12:8054ee101bad | 162 | } |
j3 | 12:8054ee101bad | 163 | else //12 port device |
j3 | 12:8054ee101bad | 164 | { |
j3 | 12:8054ee101bad | 165 | } |
j3 | 12:8054ee101bad | 166 | |
j3 | 12:8054ee101bad | 167 | return result; |
j3 | 12:8054ee101bad | 168 | } |
j3 | 12:8054ee101bad | 169 | |
j3 | 12:8054ee101bad | 170 | //********************************************************************* |
j3 | 12:8054ee101bad | 171 | MAX113XX_Pixi::CmdResult_e MAX113XX_Pixi::differentialADCRead(Ports_e posPort, |
j3 | 13:546dd29b1c7a | 172 | int16_t &data) |
j3 | 12:8054ee101bad | 173 | { |
j3 | 12:8054ee101bad | 174 | MAX113XX_Pixi::CmdResult_e result = MAX113XX_Pixi::OpFailure; |
j3 | 12:8054ee101bad | 175 | |
j3 | 15:fb674d741844 | 176 | //check for type of device |
j3 | 12:8054ee101bad | 177 | if(m_device == MAX11300 || m_device == MAX11301) //20 port device |
j3 | 12:8054ee101bad | 178 | { |
j3 | 15:fb674d741844 | 179 | //is this port configured for this operation? |
j3 | 13:546dd29b1c7a | 180 | if(((portConfigDesignVals[posPort] & 0xF000) >> 12) == MAX113XX_Pixi::MODE_8) |
j3 | 13:546dd29b1c7a | 181 | { |
j3 | 15:fb674d741844 | 182 | //Is device configured for continuous sweep? |
j3 | 15:fb674d741844 | 183 | if((device_control_DESIGNVALUE & device_control_ADCCTL) != MAX113XX_Pixi::ContinuousSweep) |
j3 | 13:546dd29b1c7a | 184 | { |
j3 | 15:fb674d741844 | 185 | //No, generate sample requests for averaging |
j3 | 16:01d793a25548 | 186 | uint8_t num_samples = ((portConfigDesignVals[posPort] & port_cfg_00_funcprm_nsamples) >> 5); |
j3 | 15:fb674d741844 | 187 | num_samples = (1 << num_samples); |
j3 | 15:fb674d741844 | 188 | |
j3 | 15:fb674d741844 | 189 | while(num_samples--) |
j3 | 15:fb674d741844 | 190 | { |
j3 | 15:fb674d741844 | 191 | m_cnvt = 0; |
j3 | 15:fb674d741844 | 192 | wait_us(1); |
j3 | 15:fb674d741844 | 193 | m_cnvt = 1; |
j3 | 15:fb674d741844 | 194 | wait_us(100); |
j3 | 15:fb674d741844 | 195 | } |
j3 | 13:546dd29b1c7a | 196 | } |
j3 | 15:fb674d741844 | 197 | |
j3 | 13:546dd29b1c7a | 198 | data = readRegister((adc_data_port_00 + posPort)); |
j3 | 13:546dd29b1c7a | 199 | if(data & 0x0800) |
j3 | 13:546dd29b1c7a | 200 | { |
j3 | 13:546dd29b1c7a | 201 | data |= 0xF000; |
j3 | 13:546dd29b1c7a | 202 | } |
j3 | 13:546dd29b1c7a | 203 | |
j3 | 13:546dd29b1c7a | 204 | result = MAX113XX_Pixi::Success; |
j3 | 13:546dd29b1c7a | 205 | } |
j3 | 12:8054ee101bad | 206 | } |
j3 | 12:8054ee101bad | 207 | else //12 port device |
j3 | 12:8054ee101bad | 208 | { |
j3 | 12:8054ee101bad | 209 | } |
j3 | 12:8054ee101bad | 210 | |
j3 | 12:8054ee101bad | 211 | return result; |
j3 | 12:8054ee101bad | 212 | } |
j3 | 12:8054ee101bad | 213 | |
j3 | 12:8054ee101bad | 214 | //********************************************************************* |
j3 | 12:8054ee101bad | 215 | MAX113XX_Pixi::CmdResult_e MAX113XX_Pixi::dacWrite(Ports_e port, |
j3 | 12:8054ee101bad | 216 | const uint16_t data) |
j3 | 12:8054ee101bad | 217 | { |
j3 | 12:8054ee101bad | 218 | MAX113XX_Pixi::CmdResult_e result = MAX113XX_Pixi::OpFailure; |
j3 | 12:8054ee101bad | 219 | |
j3 | 12:8054ee101bad | 220 | if(m_device == MAX11300 || m_device == MAX11301) //20 port device |
j3 | 12:8054ee101bad | 221 | { |
j3 | 12:8054ee101bad | 222 | if(((portConfigDesignVals[port] & 0xF000) >> 12) == MAX113XX_Pixi::MODE_5) |
j3 | 12:8054ee101bad | 223 | { |
j3 | 12:8054ee101bad | 224 | writeRegister((dac_data_port_00 + port) , data); |
j3 | 12:8054ee101bad | 225 | result = MAX113XX_Pixi::Success; |
j3 | 12:8054ee101bad | 226 | } |
j3 | 12:8054ee101bad | 227 | } |
j3 | 12:8054ee101bad | 228 | else //12 port device |
j3 | 12:8054ee101bad | 229 | { |
j3 | 12:8054ee101bad | 230 | } |
j3 | 12:8054ee101bad | 231 | |
j3 | 12:8054ee101bad | 232 | return result; |
j3 | 12:8054ee101bad | 233 | } |
j3 | 12:8054ee101bad | 234 | |
j3 | 12:8054ee101bad | 235 | //********************************************************************* |
j3 | 13:546dd29b1c7a | 236 | MAX113XX_Pixi::CmdResult_e MAX113XX_Pixi::dacWriteADCMonitor(Ports_e port, |
j3 | 13:546dd29b1c7a | 237 | const uint16_t data, |
j3 | 13:546dd29b1c7a | 238 | uint16_t &adcData) |
j3 | 13:546dd29b1c7a | 239 | { |
j3 | 13:546dd29b1c7a | 240 | MAX113XX_Pixi::CmdResult_e result = MAX113XX_Pixi::OpFailure; |
j3 | 13:546dd29b1c7a | 241 | |
j3 | 13:546dd29b1c7a | 242 | if(m_device == MAX11300 || m_device == MAX11301) //20 port device |
j3 | 13:546dd29b1c7a | 243 | { |
j3 | 13:546dd29b1c7a | 244 | if(((portConfigDesignVals[port] & 0xF000) >> 12) == MAX113XX_Pixi::MODE_6) |
j3 | 13:546dd29b1c7a | 245 | { |
j3 | 13:546dd29b1c7a | 246 | writeRegister((dac_data_port_00 + port) , data); |
j3 | 13:546dd29b1c7a | 247 | |
j3 | 13:546dd29b1c7a | 248 | m_cnvt = 0; |
j3 | 13:546dd29b1c7a | 249 | wait_us(1); |
j3 | 13:546dd29b1c7a | 250 | m_cnvt = 1; |
j3 | 13:546dd29b1c7a | 251 | wait_us(100); |
j3 | 13:546dd29b1c7a | 252 | |
j3 | 13:546dd29b1c7a | 253 | adcData = readRegister((adc_data_port_00 + port)); |
j3 | 13:546dd29b1c7a | 254 | |
j3 | 13:546dd29b1c7a | 255 | result = MAX113XX_Pixi::Success; |
j3 | 13:546dd29b1c7a | 256 | } |
j3 | 13:546dd29b1c7a | 257 | } |
j3 | 13:546dd29b1c7a | 258 | else //12 port device |
j3 | 13:546dd29b1c7a | 259 | { |
j3 | 13:546dd29b1c7a | 260 | } |
j3 | 13:546dd29b1c7a | 261 | |
j3 | 13:546dd29b1c7a | 262 | return result; |
j3 | 13:546dd29b1c7a | 263 | } |
j3 | 13:546dd29b1c7a | 264 | |
j3 | 13:546dd29b1c7a | 265 | //********************************************************************* |
j3 | 12:8054ee101bad | 266 | MAX113XX_Pixi::CmdResult_e MAX113XX_Pixi::gpioRead(Ports_e port, uint8_t &state) |
j3 | 12:8054ee101bad | 267 | { |
j3 | 12:8054ee101bad | 268 | MAX113XX_Pixi::CmdResult_e result = MAX113XX_Pixi::OpFailure; |
j3 | 12:8054ee101bad | 269 | |
j3 | 12:8054ee101bad | 270 | if(m_device == MAX11300 || m_device == MAX11301) //20 port device |
j3 | 12:8054ee101bad | 271 | { |
j3 | 12:8054ee101bad | 272 | if(((portConfigDesignVals[port] & 0xF000) >> 12) == MAX113XX_Pixi::MODE_1) |
j3 | 12:8054ee101bad | 273 | { |
j3 | 12:8054ee101bad | 274 | if(port < MAX113XX_Pixi::PORT16) |
j3 | 12:8054ee101bad | 275 | { |
j3 | 12:8054ee101bad | 276 | state = (readRegister(gpi_data_15_to_0) >> port); |
j3 | 12:8054ee101bad | 277 | } |
j3 | 12:8054ee101bad | 278 | else |
j3 | 12:8054ee101bad | 279 | { |
j3 | 12:8054ee101bad | 280 | state = (readRegister(gpi_data_19_to_16) >> (port - MAX113XX_Pixi::PORT16)); |
j3 | 12:8054ee101bad | 281 | } |
j3 | 12:8054ee101bad | 282 | |
j3 | 12:8054ee101bad | 283 | result = MAX113XX_Pixi::Success; |
j3 | 12:8054ee101bad | 284 | } |
j3 | 12:8054ee101bad | 285 | } |
j3 | 12:8054ee101bad | 286 | else //12 port device |
j3 | 12:8054ee101bad | 287 | { |
j3 | 12:8054ee101bad | 288 | } |
j3 | 12:8054ee101bad | 289 | |
j3 | 12:8054ee101bad | 290 | return result; |
j3 | 12:8054ee101bad | 291 | } |
j3 | 7:8669a53acd0d | 292 | |
j3 | 7:8669a53acd0d | 293 | //********************************************************************* |
j3 | 9:094df3de3616 | 294 | MAX113XX_Pixi::CmdResult_e MAX113XX_Pixi::gpioWrite(Ports_e port, |
j3 | 9:094df3de3616 | 295 | const uint8_t state) |
j3 | 7:8669a53acd0d | 296 | { |
j3 | 10:6efe114ef882 | 297 | uint16_t temp; |
j3 | 10:6efe114ef882 | 298 | uint16_t port_mask; |
j3 | 10:6efe114ef882 | 299 | |
j3 | 7:8669a53acd0d | 300 | MAX113XX_Pixi::CmdResult_e result = MAX113XX_Pixi::OpFailure; |
j3 | 9:094df3de3616 | 301 | |
j3 | 10:6efe114ef882 | 302 | if(m_device == MAX11300 || m_device == MAX11301) //20 port device |
j3 | 9:094df3de3616 | 303 | { |
j3 | 10:6efe114ef882 | 304 | if(((portConfigDesignVals[port] & 0xF000) >> 12) == MAX113XX_Pixi::MODE_3) |
j3 | 10:6efe114ef882 | 305 | { |
j3 | 10:6efe114ef882 | 306 | if(port < MAX113XX_Pixi::PORT16) |
j3 | 10:6efe114ef882 | 307 | { |
j3 | 10:6efe114ef882 | 308 | port_mask = (1 << port); |
j3 | 10:6efe114ef882 | 309 | temp = readRegister(gpo_data_15_to_0); |
j3 | 10:6efe114ef882 | 310 | if(state & 0x01) |
j3 | 10:6efe114ef882 | 311 | { |
j3 | 10:6efe114ef882 | 312 | temp |= port_mask; |
j3 | 10:6efe114ef882 | 313 | } |
j3 | 10:6efe114ef882 | 314 | else |
j3 | 10:6efe114ef882 | 315 | { |
j3 | 10:6efe114ef882 | 316 | temp &= ~port_mask; |
j3 | 10:6efe114ef882 | 317 | } |
j3 | 10:6efe114ef882 | 318 | writeRegister(gpo_data_15_to_0, temp); |
j3 | 10:6efe114ef882 | 319 | } |
j3 | 10:6efe114ef882 | 320 | else |
j3 | 10:6efe114ef882 | 321 | { |
j3 | 10:6efe114ef882 | 322 | port_mask = (1 << (port - MAX113XX_Pixi::PORT16)); |
j3 | 10:6efe114ef882 | 323 | temp = readRegister(gpo_data_19_to_16); |
j3 | 10:6efe114ef882 | 324 | if(state & 0x01) |
j3 | 10:6efe114ef882 | 325 | { |
j3 | 10:6efe114ef882 | 326 | temp |= port_mask; |
j3 | 10:6efe114ef882 | 327 | } |
j3 | 10:6efe114ef882 | 328 | else |
j3 | 10:6efe114ef882 | 329 | { |
j3 | 10:6efe114ef882 | 330 | temp &= ~port_mask; |
j3 | 10:6efe114ef882 | 331 | } |
j3 | 10:6efe114ef882 | 332 | writeRegister(gpo_data_19_to_16, temp); |
j3 | 10:6efe114ef882 | 333 | } |
j3 | 10:6efe114ef882 | 334 | |
j3 | 10:6efe114ef882 | 335 | result = MAX113XX_Pixi::Success; |
j3 | 10:6efe114ef882 | 336 | } |
j3 | 9:094df3de3616 | 337 | } |
j3 | 9:094df3de3616 | 338 | else //12 port device |
j3 | 9:094df3de3616 | 339 | { |
j3 | 9:094df3de3616 | 340 | } |
j3 | 7:8669a53acd0d | 341 | |
j3 | 7:8669a53acd0d | 342 | return result; |
j3 | 7:8669a53acd0d | 343 | } |
j3 | 7:8669a53acd0d | 344 | |
j3 | 7:8669a53acd0d | 345 | //********************************************************************* |
j3 | 13:546dd29b1c7a | 346 | MAX113XX_Pixi::CmdResult_e MAX113XX_Pixi::setAnalogSwitchState(Ports_e lowPort, |
j3 | 12:8054ee101bad | 347 | bool state) |
j3 | 7:8669a53acd0d | 348 | { |
j3 | 7:8669a53acd0d | 349 | MAX113XX_Pixi::CmdResult_e result = MAX113XX_Pixi::OpFailure; |
j3 | 7:8669a53acd0d | 350 | |
j3 | 10:6efe114ef882 | 351 | if(m_device == MAX11300 || m_device == MAX11301) //20 port device |
j3 | 9:094df3de3616 | 352 | { |
j3 | 13:546dd29b1c7a | 353 | if(((portConfigDesignVals[lowPort] & 0xF000) >> 12) == MAX113XX_Pixi::MODE_12) |
j3 | 13:546dd29b1c7a | 354 | { |
j3 | 13:546dd29b1c7a | 355 | uint16_t data = readRegister(port_cfg_00 + lowPort); |
j3 | 13:546dd29b1c7a | 356 | if(state) |
j3 | 13:546dd29b1c7a | 357 | { |
j3 | 13:546dd29b1c7a | 358 | data = ((data & 0x0FFF) | (MAX113XX_Pixi::MODE_12 << 12)); |
j3 | 13:546dd29b1c7a | 359 | } |
j3 | 13:546dd29b1c7a | 360 | else |
j3 | 13:546dd29b1c7a | 361 | { |
j3 | 13:546dd29b1c7a | 362 | data = ((data & 0x0FFF) | (MAX113XX_Pixi::MODE_0 << 12)); |
j3 | 13:546dd29b1c7a | 363 | } |
j3 | 13:546dd29b1c7a | 364 | writeRegister((port_cfg_00 + lowPort), data); |
j3 | 13:546dd29b1c7a | 365 | |
j3 | 13:546dd29b1c7a | 366 | result = MAX113XX_Pixi::Success; |
j3 | 13:546dd29b1c7a | 367 | } |
j3 | 13:546dd29b1c7a | 368 | } |
j3 | 13:546dd29b1c7a | 369 | else //12 port device |
j3 | 13:546dd29b1c7a | 370 | { |
j3 | 13:546dd29b1c7a | 371 | } |
j3 | 13:546dd29b1c7a | 372 | |
j3 | 13:546dd29b1c7a | 373 | return result; |
j3 | 13:546dd29b1c7a | 374 | } |
j3 | 13:546dd29b1c7a | 375 | |
j3 | 13:546dd29b1c7a | 376 | //********************************************************************* |
j3 | 13:546dd29b1c7a | 377 | MAX113XX_Pixi::CmdResult_e MAX113XX_Pixi::readTempSensor(TempSensor_e sensor, |
j3 | 13:546dd29b1c7a | 378 | float &data) |
j3 | 13:546dd29b1c7a | 379 | { |
j3 | 13:546dd29b1c7a | 380 | MAX113XX_Pixi::CmdResult_e result = MAX113XX_Pixi::OpFailure; |
j3 | 13:546dd29b1c7a | 381 | int16_t temp; |
j3 | 13:546dd29b1c7a | 382 | |
j3 | 13:546dd29b1c7a | 383 | if(m_device == MAX11300 || m_device == MAX11301) //20 port device |
j3 | 13:546dd29b1c7a | 384 | { |
j3 | 13:546dd29b1c7a | 385 | switch(sensor) |
j3 | 13:546dd29b1c7a | 386 | { |
j3 | 13:546dd29b1c7a | 387 | case Internal: |
j3 | 13:546dd29b1c7a | 388 | if(device_control_DESIGNVALUE & device_control_TMPCTLINT) |
j3 | 13:546dd29b1c7a | 389 | { |
j3 | 13:546dd29b1c7a | 390 | temp = readRegister(tmp_int_data); |
j3 | 13:546dd29b1c7a | 391 | result = MAX113XX_Pixi::Success; |
j3 | 13:546dd29b1c7a | 392 | } |
j3 | 13:546dd29b1c7a | 393 | break; |
j3 | 13:546dd29b1c7a | 394 | |
j3 | 13:546dd29b1c7a | 395 | case External1: |
j3 | 13:546dd29b1c7a | 396 | if(device_control_DESIGNVALUE & device_control_TMPCTLEXT0) |
j3 | 13:546dd29b1c7a | 397 | { |
j3 | 13:546dd29b1c7a | 398 | temp = readRegister(tmp_ext1_data); |
j3 | 13:546dd29b1c7a | 399 | result = MAX113XX_Pixi::Success; |
j3 | 13:546dd29b1c7a | 400 | } |
j3 | 13:546dd29b1c7a | 401 | break; |
j3 | 13:546dd29b1c7a | 402 | |
j3 | 13:546dd29b1c7a | 403 | case External2: |
j3 | 13:546dd29b1c7a | 404 | if(device_control_DESIGNVALUE & device_control_TMPCTLEXT1) |
j3 | 13:546dd29b1c7a | 405 | { |
j3 | 13:546dd29b1c7a | 406 | temp = readRegister(tmp_ext2_data); |
j3 | 13:546dd29b1c7a | 407 | result = MAX113XX_Pixi::Success; |
j3 | 13:546dd29b1c7a | 408 | } |
j3 | 13:546dd29b1c7a | 409 | break; |
j3 | 13:546dd29b1c7a | 410 | }; |
j3 | 13:546dd29b1c7a | 411 | |
j3 | 13:546dd29b1c7a | 412 | if(result == MAX113XX_Pixi::Success) |
j3 | 13:546dd29b1c7a | 413 | { |
j3 | 13:546dd29b1c7a | 414 | if(temp & 0x0800) |
j3 | 13:546dd29b1c7a | 415 | { |
j3 | 13:546dd29b1c7a | 416 | temp |= 0xF000; |
j3 | 13:546dd29b1c7a | 417 | } |
j3 | 13:546dd29b1c7a | 418 | data = (temp/8.0F); |
j3 | 13:546dd29b1c7a | 419 | } |
j3 | 9:094df3de3616 | 420 | } |
j3 | 9:094df3de3616 | 421 | else //12 port device |
j3 | 9:094df3de3616 | 422 | { |
j3 | 9:094df3de3616 | 423 | } |
j3 | 9:094df3de3616 | 424 | |
j3 | 7:8669a53acd0d | 425 | return result; |
j3 | 7:8669a53acd0d | 426 | } |
j3 | 7:8669a53acd0d | 427 | |
j3 | 7:8669a53acd0d | 428 | //********************************************************************* |
j3 | 12:8054ee101bad | 429 | void MAX113XX_Pixi::dumpMemory(Serial &ser) |
j3 | 7:8669a53acd0d | 430 | { |
j3 | 10:6efe114ef882 | 431 | uint16_t mem[0x74]; |
j3 | 7:8669a53acd0d | 432 | |
j3 | 12:8054ee101bad | 433 | blockRead(dev_id, mem, 0x74); |
j3 | 7:8669a53acd0d | 434 | for(uint8_t idx = 0; idx < 0x74; idx++) |
j3 | 7:8669a53acd0d | 435 | { |
j3 | 12:8054ee101bad | 436 | ser.printf("Register 0x%02x = 0x%04x\r\n", idx, mem[idx]); |
j3 | 7:8669a53acd0d | 437 | } |
j3 | 7:8669a53acd0d | 438 | ser.printf("\r\n"); |
j3 | 7:8669a53acd0d | 439 | } |
j3 | 7:8669a53acd0d | 440 | |
j3 | 7:8669a53acd0d | 441 | |
j3 | 9:094df3de3616 | 442 | /// SPI first byte when writing MAX11300/11 |
j3 | 9:094df3de3616 | 443 | //(7-bit address in bits 0x7E; LSB=0 for write) |
j3 | 9:094df3de3616 | 444 | #define MAX113XXAddr_SPI_Write(RegAddr) ( (RegAddr << 1) ) |
j3 | 9:094df3de3616 | 445 | |
j3 | 9:094df3de3616 | 446 | /// SPI first byte when reading MAX11300/11 |
j3 | 9:094df3de3616 | 447 | //(7-bit address in bits 0x7E; LSB=1 for read) |
j3 | 9:094df3de3616 | 448 | #define MAX113XXAddr_SPI_Read(RegAddr) ( (RegAddr << 1) | 1 ) |
j3 | 9:094df3de3616 | 449 | |
j3 | 7:8669a53acd0d | 450 | //*************************** SPI Implementation ****************************** |
j3 | 9:094df3de3616 | 451 | MAX113XX_SPI::MAX113XX_SPI(SPI & spiBus, PinName cs, |
j3 | 9:094df3de3616 | 452 | MAX113XX_Pixi::Device_e device, PinName cnvt): |
j3 | 9:094df3de3616 | 453 | MAX113XX_Pixi(device, cnvt), m_spiBus(spiBus), m_cs(cs, 1) |
j3 | 7:8669a53acd0d | 454 | { |
j3 | 11:31e7ca030b8f | 455 | if((m_device == MAX11300) || (m_device == MAX11301)) //20 port device |
j3 | 11:31e7ca030b8f | 456 | { |
j3 | 12:8054ee101bad | 457 | blockWrite(gpo_data_15_to_0, configDesignVals, 18); |
j3 | 11:31e7ca030b8f | 458 | blockWrite(port_cfg_00, portConfigDesignVals, 20); |
j3 | 12:8054ee101bad | 459 | blockWrite(dac_data_port_00, dacDesignVals, 20); |
j3 | 11:31e7ca030b8f | 460 | wait(0.1); |
j3 | 11:31e7ca030b8f | 461 | } |
j3 | 11:31e7ca030b8f | 462 | else //12 port device |
j3 | 11:31e7ca030b8f | 463 | { |
j3 | 11:31e7ca030b8f | 464 | } |
j3 | 7:8669a53acd0d | 465 | } |
j3 | 7:8669a53acd0d | 466 | |
j3 | 7:8669a53acd0d | 467 | //********************************************************************* |
j3 | 7:8669a53acd0d | 468 | MAX113XX_SPI::~MAX113XX_SPI() |
j3 | 7:8669a53acd0d | 469 | { |
j3 | 7:8669a53acd0d | 470 | //empty block |
j3 | 7:8669a53acd0d | 471 | } |
j3 | 7:8669a53acd0d | 472 | |
j3 | 7:8669a53acd0d | 473 | //********************************************************************* |
j3 | 9:094df3de3616 | 474 | void MAX113XX_SPI::writeRegister(uint8_t reg, const uint16_t data) |
j3 | 7:8669a53acd0d | 475 | { |
j3 | 7:8669a53acd0d | 476 | m_cs = 0; |
j3 | 9:094df3de3616 | 477 | m_spiBus.write(MAX113XXAddr_SPI_Write(reg)); |
j3 | 7:8669a53acd0d | 478 | m_spiBus.write(((0xFF00 & data) >> 8)); |
j3 | 7:8669a53acd0d | 479 | m_spiBus.write((0x00FF & data)); |
j3 | 7:8669a53acd0d | 480 | m_cs = 1; |
j3 | 7:8669a53acd0d | 481 | } |
j3 | 7:8669a53acd0d | 482 | |
j3 | 7:8669a53acd0d | 483 | //********************************************************************* |
j3 | 9:094df3de3616 | 484 | uint16_t MAX113XX_SPI::readRegister(uint8_t reg) |
j3 | 7:8669a53acd0d | 485 | { |
j3 | 7:8669a53acd0d | 486 | uint16_t rtn_val = 0; |
j3 | 7:8669a53acd0d | 487 | |
j3 | 7:8669a53acd0d | 488 | m_cs = 0; |
j3 | 9:094df3de3616 | 489 | m_spiBus.write(MAX113XXAddr_SPI_Read(reg)); |
j3 | 7:8669a53acd0d | 490 | rtn_val |= (m_spiBus.write(0xFF) << 8); |
j3 | 7:8669a53acd0d | 491 | rtn_val |= m_spiBus.write(0xFF); |
j3 | 7:8669a53acd0d | 492 | m_cs = 1; |
j3 | 7:8669a53acd0d | 493 | |
j3 | 7:8669a53acd0d | 494 | return rtn_val; |
j3 | 7:8669a53acd0d | 495 | } |
j3 | 7:8669a53acd0d | 496 | |
j3 | 7:8669a53acd0d | 497 | //********************************************************************* |
j3 | 9:094df3de3616 | 498 | void MAX113XX_SPI::blockWrite(uint8_t reg, const uint16_t *data, |
j3 | 7:8669a53acd0d | 499 | const uint8_t num_reg) |
j3 | 7:8669a53acd0d | 500 | { |
j3 | 11:31e7ca030b8f | 501 | m_cs = 0; |
j3 | 11:31e7ca030b8f | 502 | m_spiBus.write(MAX113XXAddr_SPI_Write(reg)); |
j3 | 7:8669a53acd0d | 503 | for(uint8_t idx = 0; idx < num_reg; idx++) |
j3 | 7:8669a53acd0d | 504 | { |
j3 | 11:31e7ca030b8f | 505 | m_spiBus.write(((0xFF00 & data[idx]) >> 8)); |
j3 | 11:31e7ca030b8f | 506 | m_spiBus.write((0x00FF & data[idx])); |
j3 | 7:8669a53acd0d | 507 | } |
j3 | 11:31e7ca030b8f | 508 | m_cs = 1; |
j3 | 7:8669a53acd0d | 509 | } |
j3 | 7:8669a53acd0d | 510 | |
j3 | 7:8669a53acd0d | 511 | //********************************************************************* |
j3 | 9:094df3de3616 | 512 | void MAX113XX_SPI::blockRead(uint8_t reg, uint16_t *data, const uint8_t num_reg) |
j3 | 7:8669a53acd0d | 513 | { |
j3 | 11:31e7ca030b8f | 514 | uint16_t temp; |
j3 | 11:31e7ca030b8f | 515 | m_cs = 0; |
j3 | 11:31e7ca030b8f | 516 | m_spiBus.write(MAX113XXAddr_SPI_Read(reg)); |
j3 | 11:31e7ca030b8f | 517 | for(uint8_t idx = 0; idx < num_reg; idx ++) |
j3 | 7:8669a53acd0d | 518 | { |
j3 | 11:31e7ca030b8f | 519 | temp = 0; |
j3 | 11:31e7ca030b8f | 520 | temp |= (m_spiBus.write(0xFF) << 8); |
j3 | 11:31e7ca030b8f | 521 | temp |= m_spiBus.write(0xFF); |
j3 | 11:31e7ca030b8f | 522 | data[idx] = temp; |
j3 | 7:8669a53acd0d | 523 | } |
j3 | 11:31e7ca030b8f | 524 | m_cs = 1; |
j3 | 7:8669a53acd0d | 525 | } |
j3 | 7:8669a53acd0d | 526 | |
j3 | 7:8669a53acd0d | 527 | |
j3 | 7:8669a53acd0d | 528 | //*************************** I2C Implementation ****************************** |
j3 | 17:658202c79f33 | 529 | MAX113XX_I2C::MAX113XX_I2C(I2C &i2cBus, MAX113XX_Pixi::Device_e device, |
j3 | 17:658202c79f33 | 530 | uint8_t i2cAdrs, PinName cnvt): |
j3 | 17:658202c79f33 | 531 | MAX113XX_Pixi(device, cnvt), m_i2cBus(i2cBus), m_w_adrs(i2cAdrs << 1), |
j3 | 17:658202c79f33 | 532 | m_r_adrs((i2cAdrs << 1) | 1) |
j3 | 7:8669a53acd0d | 533 | { |
j3 | 11:31e7ca030b8f | 534 | if((m_device == MAX11300) || (m_device == MAX11301)) //20 port device |
j3 | 11:31e7ca030b8f | 535 | { |
j3 | 12:8054ee101bad | 536 | blockWrite(gpo_data_15_to_0, configDesignVals, 18); |
j3 | 11:31e7ca030b8f | 537 | blockWrite(port_cfg_00, portConfigDesignVals, 20); |
j3 | 12:8054ee101bad | 538 | blockWrite(dac_data_port_00, dacDesignVals, 20); |
j3 | 11:31e7ca030b8f | 539 | wait(0.1); |
j3 | 11:31e7ca030b8f | 540 | } |
j3 | 11:31e7ca030b8f | 541 | else //12 port device |
j3 | 11:31e7ca030b8f | 542 | { |
j3 | 11:31e7ca030b8f | 543 | } |
j3 | 7:8669a53acd0d | 544 | } |
j3 | 7:8669a53acd0d | 545 | |
j3 | 7:8669a53acd0d | 546 | //********************************************************************* |
j3 | 7:8669a53acd0d | 547 | MAX113XX_I2C::~MAX113XX_I2C() |
j3 | 7:8669a53acd0d | 548 | { |
j3 | 7:8669a53acd0d | 549 | //empty block |
j3 | 7:8669a53acd0d | 550 | } |
j3 | 7:8669a53acd0d | 551 | |
j3 | 7:8669a53acd0d | 552 | //********************************************************************* |
j3 | 9:094df3de3616 | 553 | void MAX113XX_I2C::writeRegister(uint8_t reg, const uint16_t data) |
j3 | 7:8669a53acd0d | 554 | { |
j3 | 17:658202c79f33 | 555 | char localData[3]; |
j3 | 17:658202c79f33 | 556 | uint8_t idx = 0; |
j3 | 7:8669a53acd0d | 557 | |
j3 | 17:658202c79f33 | 558 | localData[idx++] = reg; |
j3 | 17:658202c79f33 | 559 | localData[idx++] = ((data & 0xFF00) >> 8); |
j3 | 17:658202c79f33 | 560 | localData[idx++] = (data & 0x00FF); |
j3 | 17:658202c79f33 | 561 | |
j3 | 17:658202c79f33 | 562 | m_i2cBus.write(m_w_adrs, localData, idx); |
j3 | 7:8669a53acd0d | 563 | } |
j3 | 7:8669a53acd0d | 564 | |
j3 | 7:8669a53acd0d | 565 | //********************************************************************* |
j3 | 9:094df3de3616 | 566 | uint16_t MAX113XX_I2C::readRegister(uint8_t reg) |
j3 | 7:8669a53acd0d | 567 | { |
j3 | 7:8669a53acd0d | 568 | uint16_t rtn_val = 0; |
j3 | 7:8669a53acd0d | 569 | |
j3 | 17:658202c79f33 | 570 | char localData[2]; |
j3 | 17:658202c79f33 | 571 | localData[0] = reg; |
j3 | 17:658202c79f33 | 572 | |
j3 | 17:658202c79f33 | 573 | if(m_i2cBus.write(m_w_adrs, localData, 1, true) == 0) |
j3 | 17:658202c79f33 | 574 | { |
j3 | 17:658202c79f33 | 575 | if(m_i2cBus.read(m_r_adrs, localData, 2) == 0) |
j3 | 17:658202c79f33 | 576 | { |
j3 | 17:658202c79f33 | 577 | rtn_val |= (localData[0] << 8); |
j3 | 17:658202c79f33 | 578 | rtn_val |= localData[1]; |
j3 | 17:658202c79f33 | 579 | } |
j3 | 17:658202c79f33 | 580 | } |
j3 | 17:658202c79f33 | 581 | |
j3 | 7:8669a53acd0d | 582 | return rtn_val; |
j3 | 7:8669a53acd0d | 583 | } |
j3 | 7:8669a53acd0d | 584 | |
j3 | 7:8669a53acd0d | 585 | //********************************************************************* |
j3 | 9:094df3de3616 | 586 | void MAX113XX_I2C::blockWrite(uint8_t reg, const uint16_t *data, |
j3 | 7:8669a53acd0d | 587 | const uint8_t num_reg) |
j3 | 7:8669a53acd0d | 588 | { |
j3 | 17:658202c79f33 | 589 | uint16_t numBytes = ((num_reg * 2) + 1); |
j3 | 17:658202c79f33 | 590 | char localData[numBytes]; |
j3 | 17:658202c79f33 | 591 | uint8_t idx(0), dataIdx(0); |
j3 | 17:658202c79f33 | 592 | |
j3 | 17:658202c79f33 | 593 | localData[idx++] = reg; |
j3 | 17:658202c79f33 | 594 | do |
j3 | 17:658202c79f33 | 595 | { |
j3 | 17:658202c79f33 | 596 | localData[idx++] = ((data[dataIdx] & 0xFF00) >> 8); |
j3 | 17:658202c79f33 | 597 | localData[idx++] = (data[dataIdx++] & 0x00FF); |
j3 | 17:658202c79f33 | 598 | } |
j3 | 17:658202c79f33 | 599 | while(idx < numBytes); |
j3 | 17:658202c79f33 | 600 | |
j3 | 17:658202c79f33 | 601 | m_i2cBus.write(m_w_adrs, localData, numBytes); |
j3 | 7:8669a53acd0d | 602 | } |
j3 | 7:8669a53acd0d | 603 | |
j3 | 7:8669a53acd0d | 604 | //********************************************************************* |
j3 | 9:094df3de3616 | 605 | void MAX113XX_I2C::blockRead(uint8_t reg, uint16_t *data, const uint8_t num_reg) |
j3 | 7:8669a53acd0d | 606 | { |
j3 | 17:658202c79f33 | 607 | uint16_t numBytes = (num_reg * 2); |
j3 | 17:658202c79f33 | 608 | char localData[numBytes]; |
j3 | 7:8669a53acd0d | 609 | |
j3 | 17:658202c79f33 | 610 | localData[0] = reg; |
j3 | 17:658202c79f33 | 611 | |
j3 | 17:658202c79f33 | 612 | if(m_i2cBus.write(m_w_adrs, localData, 1, true) == 0) |
j3 | 17:658202c79f33 | 613 | { |
j3 | 17:658202c79f33 | 614 | if(m_i2cBus.read(m_r_adrs, localData, numBytes) == 0) |
j3 | 17:658202c79f33 | 615 | { |
j3 | 17:658202c79f33 | 616 | uint8_t dataIdx = 0; |
j3 | 17:658202c79f33 | 617 | for(uint8_t idx = 0; idx < numBytes; idx += 2) |
j3 | 17:658202c79f33 | 618 | { |
j3 | 17:658202c79f33 | 619 | data[dataIdx] = 0; |
j3 | 17:658202c79f33 | 620 | data[dataIdx] |= (localData[idx] << 8); |
j3 | 17:658202c79f33 | 621 | data[dataIdx++] |= localData[idx + 1]; |
j3 | 17:658202c79f33 | 622 | } |
j3 | 17:658202c79f33 | 623 | } |
j3 | 17:658202c79f33 | 624 | } |
j3 | 7:8669a53acd0d | 625 | } |