mbed code for MAXREFDES131 Qt GUI demo
Dependencies: OWGridEye OneWire mbed
maxrefdes131_demo.cpp@4:7c61c45e12ee, 2016-12-02 (annotated)
- Committer:
- j3
- Date:
- Fri Dec 02 19:34:37 2016 +0000
- Revision:
- 4:7c61c45e12ee
- Parent:
- 0:bd523ea97465
Update ow lib
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
j3 | 0:bd523ea97465 | 1 | /********************************************************************** |
j3 | 0:bd523ea97465 | 2 | * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. |
j3 | 0:bd523ea97465 | 3 | * |
j3 | 0:bd523ea97465 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
j3 | 0:bd523ea97465 | 5 | * copy of this software and associated documentation files (the "Software"), |
j3 | 0:bd523ea97465 | 6 | * to deal in the Software without restriction, including without limitation |
j3 | 0:bd523ea97465 | 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
j3 | 0:bd523ea97465 | 8 | * and/or sell copies of the Software, and to permit persons to whom the |
j3 | 0:bd523ea97465 | 9 | * Software is furnished to do so, subject to the following conditions: |
j3 | 0:bd523ea97465 | 10 | * |
j3 | 0:bd523ea97465 | 11 | * The above copyright notice and this permission notice shall be included |
j3 | 0:bd523ea97465 | 12 | * in all copies or substantial portions of the Software. |
j3 | 0:bd523ea97465 | 13 | * |
j3 | 0:bd523ea97465 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
j3 | 0:bd523ea97465 | 15 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
j3 | 0:bd523ea97465 | 16 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
j3 | 0:bd523ea97465 | 17 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
j3 | 0:bd523ea97465 | 18 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
j3 | 0:bd523ea97465 | 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
j3 | 0:bd523ea97465 | 20 | * OTHER DEALINGS IN THE SOFTWARE. |
j3 | 0:bd523ea97465 | 21 | * |
j3 | 0:bd523ea97465 | 22 | * Except as contained in this notice, the name of Maxim Integrated |
j3 | 0:bd523ea97465 | 23 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
j3 | 0:bd523ea97465 | 24 | * Products, Inc. Branding Policy. |
j3 | 0:bd523ea97465 | 25 | * |
j3 | 0:bd523ea97465 | 26 | * The mere transfer of this software does not imply any licenses |
j3 | 0:bd523ea97465 | 27 | * of trade secrets, proprietary technology, copyrights, patents, |
j3 | 0:bd523ea97465 | 28 | * trademarks, maskwork rights, or any other form of intellectual |
j3 | 0:bd523ea97465 | 29 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
j3 | 0:bd523ea97465 | 30 | * ownership rights. |
j3 | 0:bd523ea97465 | 31 | **********************************************************************/ |
j3 | 0:bd523ea97465 | 32 | |
j3 | 0:bd523ea97465 | 33 | |
j3 | 0:bd523ea97465 | 34 | #include "maxrefdes131_demo.h" |
j3 | 0:bd523ea97465 | 35 | |
j3 | 0:bd523ea97465 | 36 | |
j3 | 0:bd523ea97465 | 37 | //********************************************************************* |
j3 | 0:bd523ea97465 | 38 | void print_rom_id(Serial & comms, RomId & romId) |
j3 | 0:bd523ea97465 | 39 | { |
j3 | 0:bd523ea97465 | 40 | //print the rom number |
j3 | 0:bd523ea97465 | 41 | for(uint8_t idx = 0; idx < RomId::byteLen; idx++) |
j3 | 0:bd523ea97465 | 42 | { |
j3 | 0:bd523ea97465 | 43 | comms.printf("0x%2x ", romId[idx]); |
j3 | 0:bd523ea97465 | 44 | } |
j3 | 0:bd523ea97465 | 45 | comms.printf("\n"); |
j3 | 0:bd523ea97465 | 46 | } |
j3 | 0:bd523ea97465 | 47 | |
j3 | 0:bd523ea97465 | 48 | |
j3 | 0:bd523ea97465 | 49 | //********************************************************************* |
j3 | 0:bd523ea97465 | 50 | uint8_t init_sensor_state(OneWireMaster & owm, Serial & comms) |
j3 | 0:bd523ea97465 | 51 | { |
j3 | 0:bd523ea97465 | 52 | OneWireMaster::CmdResult ow_result = owm.OWReset(); |
j3 | 0:bd523ea97465 | 53 | SearchState search_state; |
j3 | 0:bd523ea97465 | 54 | MultidropRomIterator selector(owm); |
j3 | 0:bd523ea97465 | 55 | |
j3 | 0:bd523ea97465 | 56 | DS2413 * p_ow_switch; |
j3 | 0:bd523ea97465 | 57 | |
j3 | 0:bd523ea97465 | 58 | uint8_t num_sensors = 0; |
j3 | 0:bd523ea97465 | 59 | uint8_t num_sensors_old = 0; |
j3 | 0:bd523ea97465 | 60 | |
j3 | 0:bd523ea97465 | 61 | if(ow_result == OneWireMaster::Success) |
j3 | 0:bd523ea97465 | 62 | { |
j3 | 0:bd523ea97465 | 63 | /*this loop will run at least twice. Each time a branch is closed |
j3 | 0:bd523ea97465 | 64 | OWFirst is called in order to make sure all sensors are found. |
j3 | 0:bd523ea97465 | 65 | When num_sensors == num_sensors_old, all sensors should have been found |
j3 | 0:bd523ea97465 | 66 | */ |
j3 | 0:bd523ea97465 | 67 | do |
j3 | 0:bd523ea97465 | 68 | { |
j3 | 0:bd523ea97465 | 69 | num_sensors_old = num_sensors; |
j3 | 0:bd523ea97465 | 70 | num_sensors = 0; |
j3 | 0:bd523ea97465 | 71 | |
j3 | 0:bd523ea97465 | 72 | ow_result = OWFirst(owm, search_state); |
j3 | 0:bd523ea97465 | 73 | |
j3 | 0:bd523ea97465 | 74 | while(ow_result == OneWireMaster::Success) |
j3 | 0:bd523ea97465 | 75 | { |
j3 | 0:bd523ea97465 | 76 | if(search_state.romId.familyCode() == OWGridEye::DS2413_FAMILY_CODE) |
j3 | 0:bd523ea97465 | 77 | { |
j3 | 0:bd523ea97465 | 78 | num_sensors++; |
j3 | 0:bd523ea97465 | 79 | |
j3 | 0:bd523ea97465 | 80 | p_ow_switch = new DS2413(selector); |
j3 | 0:bd523ea97465 | 81 | |
j3 | 0:bd523ea97465 | 82 | p_ow_switch->setRomId(search_state.romId); |
j3 | 0:bd523ea97465 | 83 | |
j3 | 0:bd523ea97465 | 84 | p_ow_switch->pioAccessWriteChAB(0); |
j3 | 0:bd523ea97465 | 85 | |
j3 | 0:bd523ea97465 | 86 | delete p_ow_switch; |
j3 | 0:bd523ea97465 | 87 | } |
j3 | 0:bd523ea97465 | 88 | |
j3 | 0:bd523ea97465 | 89 | ow_result = OWNext(owm, search_state); |
j3 | 0:bd523ea97465 | 90 | } |
j3 | 0:bd523ea97465 | 91 | } |
j3 | 0:bd523ea97465 | 92 | while(num_sensors > num_sensors_old); |
j3 | 0:bd523ea97465 | 93 | |
j3 | 0:bd523ea97465 | 94 | //Disconnect all branches and GridEYE sensors for proper enumeration |
j3 | 0:bd523ea97465 | 95 | if(num_sensors > 0) |
j3 | 0:bd523ea97465 | 96 | { |
j3 | 0:bd523ea97465 | 97 | //set all sensors to default state |
j3 | 0:bd523ea97465 | 98 | uint8_t write_val = 0xFD; |
j3 | 0:bd523ea97465 | 99 | uint8_t send_block[] = {0x5A, write_val, ~write_val}; |
j3 | 0:bd523ea97465 | 100 | |
j3 | 0:bd523ea97465 | 101 | ow_result = OWSkipRom(owm); |
j3 | 0:bd523ea97465 | 102 | if(ow_result == OneWireMaster::Success) |
j3 | 0:bd523ea97465 | 103 | { |
j3 | 0:bd523ea97465 | 104 | ow_result = owm.OWWriteBlock(send_block, 3); |
j3 | 0:bd523ea97465 | 105 | } |
j3 | 0:bd523ea97465 | 106 | |
j3 | 0:bd523ea97465 | 107 | if(ow_result != OneWireMaster::Success) |
j3 | 0:bd523ea97465 | 108 | { |
j3 | 0:bd523ea97465 | 109 | comms.printf("MBED: Failed to init sensors\n"); |
j3 | 0:bd523ea97465 | 110 | } |
j3 | 0:bd523ea97465 | 111 | } |
j3 | 0:bd523ea97465 | 112 | } |
j3 | 0:bd523ea97465 | 113 | |
j3 | 0:bd523ea97465 | 114 | return num_sensors; |
j3 | 0:bd523ea97465 | 115 | } |
j3 | 0:bd523ea97465 | 116 | |
j3 | 0:bd523ea97465 | 117 | |
j3 | 0:bd523ea97465 | 118 | //********************************************************************* |
j3 | 0:bd523ea97465 | 119 | uint8_t enumerate_sensors(Serial & comms, OneWireMaster & owm, RandomAccessRomIterator & selector, OWGridEye * array[]) |
j3 | 0:bd523ea97465 | 120 | { |
j3 | 0:bd523ea97465 | 121 | OWGridEye * p_sensor; |
j3 | 0:bd523ea97465 | 122 | OWGridEye::CmdResult sensor_result; |
j3 | 0:bd523ea97465 | 123 | |
j3 | 0:bd523ea97465 | 124 | RomId temp_rom; |
j3 | 0:bd523ea97465 | 125 | |
j3 | 0:bd523ea97465 | 126 | uint8_t num_sensors = 0; |
j3 | 0:bd523ea97465 | 127 | uint8_t num_sensors_old = 0; |
j3 | 0:bd523ea97465 | 128 | |
j3 | 0:bd523ea97465 | 129 | uint8_t array_idx = 0; |
j3 | 0:bd523ea97465 | 130 | |
j3 | 0:bd523ea97465 | 131 | uint8_t idx; |
j3 | 0:bd523ea97465 | 132 | |
j3 | 0:bd523ea97465 | 133 | bool sensor_exists = false; |
j3 | 0:bd523ea97465 | 134 | |
j3 | 0:bd523ea97465 | 135 | OneWireMaster::CmdResult ow_result = owm.OWReset(); |
j3 | 0:bd523ea97465 | 136 | SearchState search_state; |
j3 | 0:bd523ea97465 | 137 | |
j3 | 0:bd523ea97465 | 138 | if(ow_result == OneWireMaster::Success) |
j3 | 0:bd523ea97465 | 139 | { |
j3 | 0:bd523ea97465 | 140 | do |
j3 | 0:bd523ea97465 | 141 | { |
j3 | 0:bd523ea97465 | 142 | num_sensors_old = num_sensors; |
j3 | 0:bd523ea97465 | 143 | num_sensors = 0; |
j3 | 0:bd523ea97465 | 144 | |
j3 | 0:bd523ea97465 | 145 | ow_result = OWFirst(owm, search_state); |
j3 | 0:bd523ea97465 | 146 | |
j3 | 0:bd523ea97465 | 147 | while(ow_result == OneWireMaster::Success) |
j3 | 0:bd523ea97465 | 148 | { |
j3 | 0:bd523ea97465 | 149 | num_sensors++; |
j3 | 0:bd523ea97465 | 150 | |
j3 | 0:bd523ea97465 | 151 | if(search_state.romId.familyCode() == OWGridEye::DS2413_FAMILY_CODE) |
j3 | 0:bd523ea97465 | 152 | { |
j3 | 0:bd523ea97465 | 153 | //check if sensor already exists |
j3 | 0:bd523ea97465 | 154 | sensor_exists = false; |
j3 | 0:bd523ea97465 | 155 | for(idx = 0; idx < array_idx; idx++) |
j3 | 0:bd523ea97465 | 156 | { |
j3 | 0:bd523ea97465 | 157 | p_sensor = array[idx]; |
j3 | 0:bd523ea97465 | 158 | |
j3 | 0:bd523ea97465 | 159 | if(p_sensor->getOWSwitchRomId() == search_state.romId) |
j3 | 0:bd523ea97465 | 160 | { |
j3 | 0:bd523ea97465 | 161 | sensor_exists = true; |
j3 | 0:bd523ea97465 | 162 | } |
j3 | 0:bd523ea97465 | 163 | } |
j3 | 0:bd523ea97465 | 164 | |
j3 | 0:bd523ea97465 | 165 | //if sensor doesn't already exist add to array |
j3 | 0:bd523ea97465 | 166 | if(!sensor_exists) |
j3 | 0:bd523ea97465 | 167 | { |
j3 | 0:bd523ea97465 | 168 | p_sensor = new OWGridEye(selector); |
j3 | 0:bd523ea97465 | 169 | |
j3 | 0:bd523ea97465 | 170 | p_sensor->setOWSwitchRomId(search_state.romId); |
j3 | 0:bd523ea97465 | 171 | |
j3 | 0:bd523ea97465 | 172 | sensor_result = p_sensor->connectGridEye(); |
j3 | 0:bd523ea97465 | 173 | if(sensor_result == OWGridEye::Success) |
j3 | 0:bd523ea97465 | 174 | { |
j3 | 0:bd523ea97465 | 175 | search_state.findFamily(OWGridEye::DS28E17_FAMILY_CODE); |
j3 | 0:bd523ea97465 | 176 | ow_result = OWNext(owm, search_state); |
j3 | 0:bd523ea97465 | 177 | if(ow_result == OneWireMaster::Success) |
j3 | 0:bd523ea97465 | 178 | { |
j3 | 0:bd523ea97465 | 179 | p_sensor->setI2CBridgeRomId(search_state.romId); |
j3 | 0:bd523ea97465 | 180 | |
j3 | 0:bd523ea97465 | 181 | array[array_idx++] = p_sensor; |
j3 | 0:bd523ea97465 | 182 | |
j3 | 0:bd523ea97465 | 183 | comms.printf("MBED: DS2413 romId = "); |
j3 | 0:bd523ea97465 | 184 | temp_rom = p_sensor->getOWSwitchRomId(); |
j3 | 0:bd523ea97465 | 185 | print_rom_id(comms,temp_rom); |
j3 | 0:bd523ea97465 | 186 | comms.printf("MBED: DS28E17 romId = "); |
j3 | 0:bd523ea97465 | 187 | temp_rom = p_sensor->getI2CBridgeRomId(); |
j3 | 0:bd523ea97465 | 188 | print_rom_id(comms, temp_rom); |
j3 | 0:bd523ea97465 | 189 | |
j3 | 0:bd523ea97465 | 190 | sensor_result = p_sensor->disconnectGridEye(); |
j3 | 0:bd523ea97465 | 191 | if(sensor_result == OWGridEye::OpFailure) |
j3 | 0:bd523ea97465 | 192 | { |
j3 | 0:bd523ea97465 | 193 | comms.printf("MBED: Failed to disconnect sensor\n"); |
j3 | 0:bd523ea97465 | 194 | mbed_die(); |
j3 | 0:bd523ea97465 | 195 | } |
j3 | 0:bd523ea97465 | 196 | |
j3 | 0:bd523ea97465 | 197 | sensor_result = p_sensor->connectOWbus(); |
j3 | 0:bd523ea97465 | 198 | if(sensor_result == OWGridEye::OpFailure) |
j3 | 0:bd523ea97465 | 199 | { |
j3 | 0:bd523ea97465 | 200 | comms.printf("MBED: Failed to connect ow branch %d\n", array_idx); |
j3 | 0:bd523ea97465 | 201 | mbed_die(); |
j3 | 0:bd523ea97465 | 202 | } |
j3 | 0:bd523ea97465 | 203 | } |
j3 | 0:bd523ea97465 | 204 | else |
j3 | 0:bd523ea97465 | 205 | { |
j3 | 0:bd523ea97465 | 206 | comms.printf("MBED: Failed to find DS28E17\n", array_idx); |
j3 | 0:bd523ea97465 | 207 | } |
j3 | 0:bd523ea97465 | 208 | } |
j3 | 0:bd523ea97465 | 209 | else |
j3 | 0:bd523ea97465 | 210 | { |
j3 | 0:bd523ea97465 | 211 | comms.printf("MBED: Failed to connect GridEye\n", array_idx); |
j3 | 0:bd523ea97465 | 212 | } |
j3 | 0:bd523ea97465 | 213 | } |
j3 | 0:bd523ea97465 | 214 | } |
j3 | 0:bd523ea97465 | 215 | |
j3 | 0:bd523ea97465 | 216 | ow_result = OWNext(owm, search_state); |
j3 | 0:bd523ea97465 | 217 | } |
j3 | 0:bd523ea97465 | 218 | } |
j3 | 0:bd523ea97465 | 219 | while(num_sensors > num_sensors_old); |
j3 | 0:bd523ea97465 | 220 | } |
j3 | 0:bd523ea97465 | 221 | |
j3 | 0:bd523ea97465 | 222 | |
j3 | 0:bd523ea97465 | 223 | return array_idx; |
j3 | 0:bd523ea97465 | 224 | } |
j3 | 0:bd523ea97465 | 225 | |
j3 | 0:bd523ea97465 | 226 | |
j3 | 0:bd523ea97465 | 227 | //********************************************************************* |
j3 | 0:bd523ea97465 | 228 | void send_data(Serial & comms, float * data_buffer, float therm_temp) |
j3 | 0:bd523ea97465 | 229 | { |
j3 | 0:bd523ea97465 | 230 | comms.printf("DATA: "); |
j3 | 0:bd523ea97465 | 231 | wait_us(1000); |
j3 | 0:bd523ea97465 | 232 | for(uint8_t idx = 0; idx < 64; idx++) |
j3 | 0:bd523ea97465 | 233 | { |
j3 | 0:bd523ea97465 | 234 | comms.printf("%.3f ", data_buffer[idx]); |
j3 | 0:bd523ea97465 | 235 | wait_us(1000); |
j3 | 0:bd523ea97465 | 236 | |
j3 | 0:bd523ea97465 | 237 | if(((idx+1) % 8) == 0) |
j3 | 0:bd523ea97465 | 238 | { |
j3 | 0:bd523ea97465 | 239 | comms.printf("\nDATA: "); |
j3 | 0:bd523ea97465 | 240 | wait_us(1000); |
j3 | 0:bd523ea97465 | 241 | } |
j3 | 0:bd523ea97465 | 242 | } |
j3 | 0:bd523ea97465 | 243 | comms.printf("%.3f \n", therm_temp); |
j3 | 0:bd523ea97465 | 244 | wait_us(1000); |
j3 | 0:bd523ea97465 | 245 | } |