mbed code for MAXREFDES131 Qt GUI demo
Dependencies: OWGridEye OneWire mbed
main.cpp@4:7c61c45e12ee, 2016-12-02 (annotated)
- Committer:
- j3
- Date:
- Fri Dec 02 19:34:37 2016 +0000
- Revision:
- 4:7c61c45e12ee
- Parent:
- 3:f2194ecf91f5
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 <string> |
j3 | 0:bd523ea97465 | 35 | #include "maxrefdes131_demo.h" |
j3 | 0:bd523ea97465 | 36 | |
j3 | 0:bd523ea97465 | 37 | enum DemoState |
j3 | 0:bd523ea97465 | 38 | { |
j3 | 0:bd523ea97465 | 39 | STATE_POR, |
j3 | 0:bd523ea97465 | 40 | STATE_ESTABLISH_COMMS, |
j3 | 0:bd523ea97465 | 41 | STATE_ENUMERATE_SENSORS, |
j3 | 0:bd523ea97465 | 42 | STATE_SELECT_SENSOR, |
j3 | 0:bd523ea97465 | 43 | STATE_SEND_DATA, |
j3 | 0:bd523ea97465 | 44 | STATE_STOP_DATA, |
j3 | 0:bd523ea97465 | 45 | STATE_IDLE, |
j3 | 0:bd523ea97465 | 46 | STATE_INVALID |
j3 | 0:bd523ea97465 | 47 | }; |
j3 | 0:bd523ea97465 | 48 | |
j3 | 0:bd523ea97465 | 49 | volatile DemoState demoState = STATE_POR; |
j3 | 0:bd523ea97465 | 50 | volatile uint8_t selectedSensor = 0; |
j3 | 0:bd523ea97465 | 51 | |
j3 | 0:bd523ea97465 | 52 | Serial comms(USBTX, USBRX); |
j3 | 1:2ad0ae1416d2 | 53 | DigitalOut frameRecvdPulse(D4, 1); |
j3 | 0:bd523ea97465 | 54 | |
j3 | 0:bd523ea97465 | 55 | void rx_callback(void) |
j3 | 0:bd523ea97465 | 56 | { |
j3 | 0:bd523ea97465 | 57 | std::string rx_str; |
j3 | 0:bd523ea97465 | 58 | //size to 32 chars |
j3 | 0:bd523ea97465 | 59 | rx_str.resize(32); |
j3 | 0:bd523ea97465 | 60 | |
j3 | 0:bd523ea97465 | 61 | size_t str_idx = 0; |
j3 | 0:bd523ea97465 | 62 | do |
j3 | 0:bd523ea97465 | 63 | { |
j3 | 0:bd523ea97465 | 64 | rx_str[str_idx++] = comms.getc(); |
j3 | 0:bd523ea97465 | 65 | } |
j3 | 0:bd523ea97465 | 66 | while(rx_str[str_idx - 1] != '\n'); |
j3 | 0:bd523ea97465 | 67 | |
j3 | 0:bd523ea97465 | 68 | //Just get first 5 chars that represent command |
j3 | 0:bd523ea97465 | 69 | std::string rx_cmd = rx_str.substr(0,5); |
j3 | 0:bd523ea97465 | 70 | |
j3 | 0:bd523ea97465 | 71 | |
j3 | 0:bd523ea97465 | 72 | if(rx_cmd.compare(0, 5, "CMD_1") == 0) |
j3 | 0:bd523ea97465 | 73 | { |
j3 | 0:bd523ea97465 | 74 | demoState = STATE_ESTABLISH_COMMS; |
j3 | 0:bd523ea97465 | 75 | } |
j3 | 0:bd523ea97465 | 76 | else if(rx_cmd.compare(0, 5, "CMD_2") == 0) |
j3 | 0:bd523ea97465 | 77 | { |
j3 | 0:bd523ea97465 | 78 | demoState = STATE_ENUMERATE_SENSORS; |
j3 | 0:bd523ea97465 | 79 | } |
j3 | 0:bd523ea97465 | 80 | else if(rx_cmd.compare(0, 5, "CMD_3") == 0) |
j3 | 0:bd523ea97465 | 81 | { |
j3 | 0:bd523ea97465 | 82 | selectedSensor = (rx_str[6] - 48); |
j3 | 0:bd523ea97465 | 83 | demoState = STATE_SELECT_SENSOR; |
j3 | 0:bd523ea97465 | 84 | } |
j3 | 0:bd523ea97465 | 85 | else if(rx_cmd.compare(0, 5, "CMD_4") == 0) |
j3 | 0:bd523ea97465 | 86 | { |
j3 | 0:bd523ea97465 | 87 | demoState = STATE_SEND_DATA; |
j3 | 0:bd523ea97465 | 88 | } |
j3 | 0:bd523ea97465 | 89 | else if(rx_cmd.compare(0, 5, "CMD_5") == 0) |
j3 | 0:bd523ea97465 | 90 | { |
j3 | 0:bd523ea97465 | 91 | demoState = STATE_STOP_DATA; |
j3 | 0:bd523ea97465 | 92 | } |
j3 | 0:bd523ea97465 | 93 | else if(rx_cmd.compare(0, 5, "CMD_6") == 0) |
j3 | 0:bd523ea97465 | 94 | { |
j3 | 1:2ad0ae1416d2 | 95 | frameRecvdPulse = 0; |
j3 | 0:bd523ea97465 | 96 | frameRecvdPulse = 1; |
j3 | 0:bd523ea97465 | 97 | demoState = STATE_SEND_DATA; |
j3 | 0:bd523ea97465 | 98 | } |
j3 | 0:bd523ea97465 | 99 | else |
j3 | 0:bd523ea97465 | 100 | { |
j3 | 0:bd523ea97465 | 101 | demoState = STATE_INVALID; |
j3 | 0:bd523ea97465 | 102 | } |
j3 | 0:bd523ea97465 | 103 | } |
j3 | 0:bd523ea97465 | 104 | |
j3 | 0:bd523ea97465 | 105 | int main(void) |
j3 | 0:bd523ea97465 | 106 | { |
j3 | 0:bd523ea97465 | 107 | comms.baud(115200); |
j3 | 0:bd523ea97465 | 108 | comms.attach(&rx_callback, SerialBase::RxIrq); |
j3 | 0:bd523ea97465 | 109 | |
j3 | 3:f2194ecf91f5 | 110 | I2C i2cBus(D14, D15); |
j3 | 3:f2194ecf91f5 | 111 | i2cBus.frequency(400000); |
j3 | 3:f2194ecf91f5 | 112 | DS2484 owm(i2cBus); |
j3 | 0:bd523ea97465 | 113 | |
j3 | 0:bd523ea97465 | 114 | OneWireMaster::CmdResult ow_result; |
j3 | 0:bd523ea97465 | 115 | MultidropRomIterator selector(owm); |
j3 | 0:bd523ea97465 | 116 | |
j3 | 0:bd523ea97465 | 117 | //look up table for sensors, element 0 is location 1 |
j3 | 0:bd523ea97465 | 118 | OWGridEye * ow_grid_eye_array[10]; |
j3 | 0:bd523ea97465 | 119 | uint8_t num_sensors = 0; |
j3 | 0:bd523ea97465 | 120 | OWGridEye * p_sensor; |
j3 | 0:bd523ea97465 | 121 | OWGridEye::CmdResult sensor_result; |
j3 | 0:bd523ea97465 | 122 | |
j3 | 0:bd523ea97465 | 123 | uint8_t idx; |
j3 | 0:bd523ea97465 | 124 | int16_t recvBuff[64]; |
j3 | 0:bd523ea97465 | 125 | int16_t imageBuff[64]; |
j3 | 0:bd523ea97465 | 126 | float temperatureBuff[64]; |
j3 | 0:bd523ea97465 | 127 | float thermistor; |
j3 | 0:bd523ea97465 | 128 | |
j3 | 0:bd523ea97465 | 129 | bool sensorsEnumerated = false; |
j3 | 0:bd523ea97465 | 130 | bool sensorSelected = false; |
j3 | 0:bd523ea97465 | 131 | |
j3 | 0:bd523ea97465 | 132 | while(demoState == STATE_POR); |
j3 | 0:bd523ea97465 | 133 | |
j3 | 0:bd523ea97465 | 134 | while(1) |
j3 | 1:2ad0ae1416d2 | 135 | { |
j3 | 0:bd523ea97465 | 136 | switch(demoState) |
j3 | 0:bd523ea97465 | 137 | { |
j3 | 0:bd523ea97465 | 138 | case STATE_ESTABLISH_COMMS: |
j3 | 0:bd523ea97465 | 139 | |
j3 | 0:bd523ea97465 | 140 | ow_result = owm.OWInitMaster(); |
j3 | 0:bd523ea97465 | 141 | if(ow_result == OneWireMaster::Success) |
j3 | 0:bd523ea97465 | 142 | { |
j3 | 0:bd523ea97465 | 143 | comms.printf("MBED: 1-wire Master Initialized\n"); |
j3 | 0:bd523ea97465 | 144 | demoState = STATE_IDLE; |
j3 | 0:bd523ea97465 | 145 | } |
j3 | 0:bd523ea97465 | 146 | else |
j3 | 0:bd523ea97465 | 147 | { |
j3 | 0:bd523ea97465 | 148 | comms.printf("MBED: Failed to initialize the 1-wire Master\n"); |
j3 | 0:bd523ea97465 | 149 | wait_ms(500); |
j3 | 0:bd523ea97465 | 150 | } |
j3 | 0:bd523ea97465 | 151 | |
j3 | 0:bd523ea97465 | 152 | break; |
j3 | 0:bd523ea97465 | 153 | |
j3 | 0:bd523ea97465 | 154 | case STATE_ENUMERATE_SENSORS: |
j3 | 0:bd523ea97465 | 155 | |
j3 | 0:bd523ea97465 | 156 | if(sensorsEnumerated) |
j3 | 0:bd523ea97465 | 157 | { |
j3 | 0:bd523ea97465 | 158 | for(uint8_t reset_idx = 0; reset_idx < num_sensors; reset_idx++) |
j3 | 0:bd523ea97465 | 159 | { |
j3 | 0:bd523ea97465 | 160 | delete ow_grid_eye_array[reset_idx]; |
j3 | 0:bd523ea97465 | 161 | ow_grid_eye_array[reset_idx] = 0; |
j3 | 0:bd523ea97465 | 162 | } |
j3 | 0:bd523ea97465 | 163 | sensorsEnumerated = false; |
j3 | 0:bd523ea97465 | 164 | } |
j3 | 0:bd523ea97465 | 165 | |
j3 | 0:bd523ea97465 | 166 | if(!sensorsEnumerated) |
j3 | 0:bd523ea97465 | 167 | { |
j3 | 0:bd523ea97465 | 168 | //ensure default state of DS2413 PIO |
j3 | 0:bd523ea97465 | 169 | num_sensors = init_sensor_state(owm, comms); |
j3 | 0:bd523ea97465 | 170 | comms.printf("MBED: %d sensors initialized\n", num_sensors); |
j3 | 0:bd523ea97465 | 171 | |
j3 | 0:bd523ea97465 | 172 | num_sensors = enumerate_sensors(comms, owm, selector, ow_grid_eye_array); |
j3 | 0:bd523ea97465 | 173 | comms.printf("MBED: %d sensors enumerated\n", num_sensors); |
j3 | 0:bd523ea97465 | 174 | |
j3 | 0:bd523ea97465 | 175 | comms.printf("MBED: NUM_Sensors %d\n", num_sensors); |
j3 | 0:bd523ea97465 | 176 | } |
j3 | 0:bd523ea97465 | 177 | |
j3 | 0:bd523ea97465 | 178 | demoState = STATE_IDLE; |
j3 | 0:bd523ea97465 | 179 | |
j3 | 0:bd523ea97465 | 180 | break; |
j3 | 0:bd523ea97465 | 181 | |
j3 | 0:bd523ea97465 | 182 | case STATE_SELECT_SENSOR: |
j3 | 0:bd523ea97465 | 183 | |
j3 | 0:bd523ea97465 | 184 | if(selectedSensor > 0) |
j3 | 0:bd523ea97465 | 185 | { |
j3 | 0:bd523ea97465 | 186 | if(sensorSelected) |
j3 | 0:bd523ea97465 | 187 | { |
j3 | 0:bd523ea97465 | 188 | sensor_result = p_sensor->disconnectGridEye(); |
j3 | 0:bd523ea97465 | 189 | if(sensor_result != OWGridEye::Success) |
j3 | 0:bd523ea97465 | 190 | { |
j3 | 0:bd523ea97465 | 191 | comms.printf("MBED: Failed to disconnect sensor\n"); |
j3 | 0:bd523ea97465 | 192 | } |
j3 | 0:bd523ea97465 | 193 | else |
j3 | 0:bd523ea97465 | 194 | { |
j3 | 0:bd523ea97465 | 195 | sensorSelected = false; |
j3 | 0:bd523ea97465 | 196 | } |
j3 | 0:bd523ea97465 | 197 | } |
j3 | 0:bd523ea97465 | 198 | |
j3 | 0:bd523ea97465 | 199 | if(!sensorSelected) |
j3 | 0:bd523ea97465 | 200 | { |
j3 | 0:bd523ea97465 | 201 | p_sensor = ow_grid_eye_array[selectedSensor - 1]; |
j3 | 0:bd523ea97465 | 202 | sensor_result = p_sensor->connectGridEye(); |
j3 | 0:bd523ea97465 | 203 | if(sensor_result == OWGridEye::Success) |
j3 | 0:bd523ea97465 | 204 | { |
j3 | 0:bd523ea97465 | 205 | //wait for sensor to init |
j3 | 0:bd523ea97465 | 206 | wait_ms(50); |
j3 | 0:bd523ea97465 | 207 | sensorSelected = true; |
j3 | 0:bd523ea97465 | 208 | } |
j3 | 0:bd523ea97465 | 209 | else |
j3 | 0:bd523ea97465 | 210 | { |
j3 | 0:bd523ea97465 | 211 | comms.printf("MBED: Failed to connect sensor\n"); |
j3 | 0:bd523ea97465 | 212 | sensorSelected = false; |
j3 | 0:bd523ea97465 | 213 | } |
j3 | 0:bd523ea97465 | 214 | } |
j3 | 0:bd523ea97465 | 215 | } |
j3 | 0:bd523ea97465 | 216 | else |
j3 | 0:bd523ea97465 | 217 | { |
j3 | 0:bd523ea97465 | 218 | comms.printf("MBED: Invalid Sensor Index\n"); |
j3 | 0:bd523ea97465 | 219 | } |
j3 | 0:bd523ea97465 | 220 | |
j3 | 0:bd523ea97465 | 221 | demoState = STATE_IDLE; |
j3 | 0:bd523ea97465 | 222 | |
j3 | 0:bd523ea97465 | 223 | break; |
j3 | 0:bd523ea97465 | 224 | |
j3 | 0:bd523ea97465 | 225 | case STATE_SEND_DATA: |
j3 | 0:bd523ea97465 | 226 | |
j3 | 0:bd523ea97465 | 227 | if(sensorSelected) |
j3 | 0:bd523ea97465 | 228 | { |
j3 | 0:bd523ea97465 | 229 | //get raw data from GridEye |
j3 | 0:bd523ea97465 | 230 | sensor_result = p_sensor->gridEyeGetFrameTemperature(recvBuff); |
j3 | 0:bd523ea97465 | 231 | if(sensor_result == OWGridEye::Success) |
j3 | 0:bd523ea97465 | 232 | { |
j3 | 0:bd523ea97465 | 233 | //rotate it 180 degress |
j3 | 0:bd523ea97465 | 234 | vAMG_PUB_IMG_ConvertRotate180(8, 8, recvBuff, imageBuff); |
j3 | 0:bd523ea97465 | 235 | |
j3 | 0:bd523ea97465 | 236 | //move rotated image to recvBuff so we can flip it and put it back |
j3 | 0:bd523ea97465 | 237 | //in imageBuff |
j3 | 0:bd523ea97465 | 238 | std::memcpy(recvBuff, imageBuff, 128); |
j3 | 0:bd523ea97465 | 239 | |
j3 | 0:bd523ea97465 | 240 | //flip on X axis |
j3 | 0:bd523ea97465 | 241 | vAMG_PUB_IMG_ConvertFlipX(8, 8, recvBuff, imageBuff); |
j3 | 0:bd523ea97465 | 242 | |
j3 | 0:bd523ea97465 | 243 | //convert to float |
j3 | 0:bd523ea97465 | 244 | for(idx = 0; idx < 64; idx++) |
j3 | 0:bd523ea97465 | 245 | { |
j3 | 0:bd523ea97465 | 246 | temperatureBuff[idx] = fAMG_PUB_CMN_ConvStoF(imageBuff[idx]); |
j3 | 0:bd523ea97465 | 247 | } |
j3 | 0:bd523ea97465 | 248 | |
j3 | 0:bd523ea97465 | 249 | //get thermistor data |
j3 | 0:bd523ea97465 | 250 | p_sensor->gridEyeGetThermistor(recvBuff[0]); |
j3 | 0:bd523ea97465 | 251 | |
j3 | 0:bd523ea97465 | 252 | //convert to float |
j3 | 0:bd523ea97465 | 253 | thermistor = fAMG_PUB_CMN_ConvStoF(recvBuff[0]); |
j3 | 0:bd523ea97465 | 254 | |
j3 | 0:bd523ea97465 | 255 | //send to GUI |
j3 | 0:bd523ea97465 | 256 | send_data(comms, temperatureBuff, thermistor); |
j3 | 0:bd523ea97465 | 257 | |
j3 | 0:bd523ea97465 | 258 | demoState = STATE_IDLE; |
j3 | 0:bd523ea97465 | 259 | } |
j3 | 0:bd523ea97465 | 260 | else |
j3 | 0:bd523ea97465 | 261 | { |
j3 | 0:bd523ea97465 | 262 | comms.printf("MBED: Failed to Get Frame\n"); |
j3 | 0:bd523ea97465 | 263 | } |
j3 | 0:bd523ea97465 | 264 | } |
j3 | 0:bd523ea97465 | 265 | else |
j3 | 0:bd523ea97465 | 266 | { |
j3 | 0:bd523ea97465 | 267 | comms.printf("MBED: Please Select Sensor\n"); |
j3 | 0:bd523ea97465 | 268 | } |
j3 | 0:bd523ea97465 | 269 | |
j3 | 0:bd523ea97465 | 270 | break; |
j3 | 0:bd523ea97465 | 271 | |
j3 | 0:bd523ea97465 | 272 | case STATE_STOP_DATA: |
j3 | 0:bd523ea97465 | 273 | demoState = STATE_IDLE; |
j3 | 0:bd523ea97465 | 274 | break; |
j3 | 0:bd523ea97465 | 275 | |
j3 | 0:bd523ea97465 | 276 | case STATE_IDLE: |
j3 | 0:bd523ea97465 | 277 | //do nothing |
j3 | 0:bd523ea97465 | 278 | break; |
j3 | 0:bd523ea97465 | 279 | |
j3 | 0:bd523ea97465 | 280 | default: |
j3 | 0:bd523ea97465 | 281 | mbed_die(); |
j3 | 0:bd523ea97465 | 282 | break; |
j3 | 0:bd523ea97465 | 283 | } |
j3 | 0:bd523ea97465 | 284 | } |
j3 | 0:bd523ea97465 | 285 | } |