Mercurial > public > ostc4
annotate Discovery/Src/tCCR.c @ 466:538eb1c976e9 Improve_Logtansfer
Removed invalidate header function because it is no lonnger needed
Added new function allowing to read the profile length from sample data
Added function which validates the wrap around detection
In older versions a corruption of the sample index could occure reseting the sample index to its start. For some code sections this looks like a wrap around of the sample ring. To avoid problems a function to check this by reading the last bytes of the sample ring (should be != 0xff if used) has been added
| author | ideenmodellierer |
|---|---|
| date | Tue, 14 Apr 2020 19:27:04 +0200 |
| parents | 4bd01f48c285 |
| children | d97f0e395058 |
| rev | line source |
|---|---|
| 38 | 1 /////////////////////////////////////////////////////////////////////////////// |
| 2 /// -*- coding: UTF-8 -*- | |
| 3 /// | |
| 4 /// \file Discovery/Src/tCCR.c | |
| 5 /// \brief HUD data via optical port | |
| 6 /// \author Heinrichs Weikamp gmbh | |
| 7 /// \date 18-Dec-2014 | |
| 8 /// | |
| 9 /// \details | |
| 10 /// | |
| 11 /// $Id$ | |
| 12 /////////////////////////////////////////////////////////////////////////////// | |
| 13 /// \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh | |
| 14 /// | |
| 15 /// This program is free software: you can redistribute it and/or modify | |
| 16 /// it under the terms of the GNU General Public License as published by | |
| 17 /// the Free Software Foundation, either version 3 of the License, or | |
| 18 /// (at your option) any later version. | |
| 19 /// | |
| 20 /// This program is distributed in the hope that it will be useful, | |
| 21 /// but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 22 /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 23 /// GNU General Public License for more details. | |
| 24 /// | |
| 25 /// You should have received a copy of the GNU General Public License | |
| 26 /// along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 27 ////////////////////////////////////////////////////////////////////////////// | |
| 28 | |
| 29 /* Includes ------------------------------------------------------------------*/ | |
| 30 #include <string.h> | |
| 31 #include "tCCR.h" | |
| 32 #include "ostc.h" | |
| 33 #include "data_central.h" | |
| 34 #include "data_exchange.h" | |
| 35 #include "check_warning.h" | |
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36 #include "configuration.h" |
| 38 | 37 |
| 38 /* Private types -------------------------------------------------------------*/ | |
| 39 typedef struct | |
| 40 { | |
| 41 uint8_t hud_firmwareVersion; | |
| 42 bit8_Type status_byte; | |
| 43 uint16_t sensor_voltage_100uV[3]; | |
| 44 uint8_t sensor_ppo2_cbar[3]; | |
| 45 uint8_t temp1; | |
| 46 uint16_t battery_voltage_mV; | |
| 47 uint16_t checksum; | |
| 48 } SIrLink; | |
| 49 | |
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50 #define HUD_BABBLING_IDIOT (30u) /* 30 Bytes received without break */ |
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51 #define HUD_RX_FRAME_LENGTH (15u) /* Length of a HUD data frame */ |
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52 #define HUD_RX_FRAME_BREAK_MS (100u) /* Time used to detect a gap between two byte receptions => frame start */ |
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53 #define HUD_RX_START_DELAY_MS (500u) /* Delay for start of RX function to avoid start of reception while a transmission is ongoing. */ |
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54 /* Based on an assumed cycle time by the sensor of 1 second. Started at time of last RX */ |
| 38 | 55 |
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56 #define BOTTLE_SENSOR_TIMEOUT (6000u) /* signal pressure budget as not received after 10 minutes (6000 * 100ms) */ |
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57 |
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58 /* Private variables ---------------------------------------------------------*/ |
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59 static SIrLink receiveHUD[2]; |
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60 static uint8_t boolHUDdata = 0; |
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61 static uint8_t data_old__lost_connection_to_HUD = 1; |
| 38 | 62 |
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63 static uint8_t receiveHUDraw[16]; |
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64 |
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65 static uint8_t StartListeningToUART_HUD = 0; |
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66 static uint16_t HUDTimeoutCount = 0; |
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67 |
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68 static __IO ITStatus UartReadyHUD = RESET; |
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69 static uint32_t LastReceivedTick_HUD = 0; |
| 38 | 70 |
| 71 /* Private variables with external access via get_xxx() function -------------*/ | |
| 72 | |
| 73 /* Private function prototypes -----------------------------------------------*/ | |
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74 static void tCCR_fallbackToFixedSetpoint(void); |
| 38 | 75 |
| 76 #ifndef USART_IR_HUD | |
| 77 | |
| 78 void tCCR_init(void) | |
| 79 { | |
| 80 } | |
| 81 void tCCR_control(void) | |
| 82 { | |
| 83 } | |
| 84 void tCCR_test(void) | |
| 85 { | |
| 86 } | |
| 87 void tCCR_restart(void) | |
| 88 { | |
| 89 } | |
| 90 float get_ppO2Sensor_bar(uint8_t sensor_id) | |
| 91 { | |
| 92 } | |
| 93 float get_sensorVoltage_mV(uint8_t sensor_id) | |
| 94 { | |
| 95 } | |
| 96 float get_HUD_battery_voltage_V(void) | |
| 97 { | |
| 98 } | |
| 99 void tCCR_tick(void) | |
| 100 { | |
| 101 } | |
| 102 | |
| 103 #else | |
| 104 /* Exported functions --------------------------------------------------------*/ | |
| 105 | |
| 106 float get_ppO2Sensor_bar(uint8_t sensor_id) | |
| 107 { | |
| 108 if((sensor_id > 2) || data_old__lost_connection_to_HUD) | |
| 109 return 0; | |
| 110 | |
| 111 return (float)(receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id]) / 100.0f; | |
| 112 } | |
| 113 | |
| 114 float get_sensorVoltage_mV(uint8_t sensor_id) | |
| 115 { | |
| 116 if((sensor_id > 2) || data_old__lost_connection_to_HUD) | |
| 117 return 0; | |
| 118 | |
| 119 return (float)(receiveHUD[boolHUDdata].sensor_voltage_100uV[sensor_id]) / 10.0f; | |
| 120 } | |
| 121 | |
| 122 float get_HUD_battery_voltage_V(void) | |
| 123 { | |
| 124 if(data_old__lost_connection_to_HUD) | |
| 125 return 0; | |
| 126 | |
| 127 return (float)(receiveHUD[boolHUDdata].battery_voltage_mV) / 1000.0f; | |
| 128 } | |
| 129 | |
| 130 | |
| 131 void test_HUD_sensor_values_outOfBounds(int8_t * outOfBouds1, int8_t * outOfBouds2, int8_t * outOfBouds3) | |
| 132 { | |
| 133 uint8_t sensorNotActiveBinary; | |
| 134 uint8_t sensorActive[3]; | |
| 135 | |
| 136 // test1: user deactivation | |
| 137 sensorNotActiveBinary = stateUsed->diveSettings.ppo2sensors_deactivated; | |
| 138 | |
| 139 for(int i=0;i<3;i++) | |
| 140 sensorActive[i] = 1; | |
| 141 | |
| 142 if(sensorNotActiveBinary) | |
| 143 { | |
| 144 if(sensorNotActiveBinary & 1) | |
| 145 sensorActive[0] = 0; | |
| 146 | |
| 147 if(sensorNotActiveBinary & 2) | |
| 148 sensorActive[1] = 0; | |
| 149 | |
| 150 if(sensorNotActiveBinary & 4) | |
| 151 sensorActive[2] = 0; | |
| 152 } | |
| 153 | |
| 154 // test2: mV of remaining sensors | |
| 155 for(int i=0;i<3;i++) | |
| 156 { | |
| 157 if(sensorActive[i]) | |
| 158 { | |
| 159 if( (receiveHUD[boolHUDdata].sensor_voltage_100uV[i] < 80) || | |
| 160 (receiveHUD[boolHUDdata].sensor_voltage_100uV[i] > 2500)) | |
| 161 { | |
| 162 sensorActive[i] = 0; | |
| 163 switch(i) | |
| 164 { | |
| 165 case 0: | |
| 166 sensorNotActiveBinary |= 1; | |
| 167 break; | |
| 168 case 1: | |
| 169 sensorNotActiveBinary |= 2; | |
| 170 break; | |
| 171 case 2: | |
| 172 sensorNotActiveBinary |= 4; | |
| 173 break; | |
| 174 } | |
| 175 } | |
| 176 } | |
| 177 } | |
| 178 | |
| 179 *outOfBouds1 = 0; | |
| 180 *outOfBouds2 = 0; | |
| 181 *outOfBouds3 = 0; | |
| 182 | |
| 183 /* with two, one or no sensor, there is nothing to compare anymore | |
| 184 */ | |
| 185 if(sensorNotActiveBinary) | |
| 186 { | |
| 187 // set outOfBounds for both tests | |
| 188 if(!sensorActive[0]) | |
| 189 *outOfBouds1 = 1; | |
| 190 | |
| 191 if(!sensorActive[1]) | |
| 192 *outOfBouds2 = 1; | |
| 193 | |
| 194 if(!sensorActive[2]) | |
| 195 *outOfBouds3 = 1; | |
| 196 | |
| 197 return; | |
| 198 } | |
| 199 else | |
| 200 { | |
| 201 uint8_t sensor_id_ordered[3]; | |
| 202 uint8_t difference[2]; | |
| 203 | |
| 204 if((receiveHUD[boolHUDdata].sensor_ppo2_cbar[1]) > (receiveHUD[boolHUDdata].sensor_ppo2_cbar[0])) | |
| 205 { | |
| 206 sensor_id_ordered[0] = 0; | |
| 207 sensor_id_ordered[1] = 1; | |
| 208 } | |
| 209 else | |
| 210 { | |
| 211 sensor_id_ordered[0] = 1; | |
| 212 sensor_id_ordered[1] = 0; | |
| 213 } | |
| 214 if(receiveHUD[boolHUDdata].sensor_ppo2_cbar[2] > receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id_ordered[1]]) | |
| 215 { | |
| 216 sensor_id_ordered[2] = 2; | |
| 217 } | |
| 218 else | |
| 219 { | |
| 220 sensor_id_ordered[2] = sensor_id_ordered[1]; | |
| 221 if(receiveHUD[boolHUDdata].sensor_ppo2_cbar[2] > receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id_ordered[0]]) | |
| 222 { | |
| 223 sensor_id_ordered[1] = 2; | |
| 224 } | |
| 225 else | |
| 226 { | |
| 227 sensor_id_ordered[1] = sensor_id_ordered[0]; | |
| 228 sensor_id_ordered[0] = 2; | |
| 229 } | |
| 230 } | |
| 231 | |
| 232 difference[0] = receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id_ordered[1]]- receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id_ordered[0]]; | |
| 233 difference[1] = receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id_ordered[2]]- receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id_ordered[1]]; | |
| 234 | |
| 235 if((difference[0] > difference[1]) && (difference[0] > 15)) | |
| 236 { | |
| 237 switch(sensor_id_ordered[0]) | |
| 238 { | |
| 239 case 0: | |
| 240 *outOfBouds1 = 1; | |
| 241 break; | |
| 242 case 1: | |
| 243 *outOfBouds2 = 1; | |
| 244 break; | |
| 245 case 2: | |
| 246 *outOfBouds3 = 1; | |
| 247 break; | |
| 248 } | |
| 249 } | |
| 250 else | |
| 251 if((difference[0] < difference[1]) && (difference[1] > 15)) | |
| 252 { | |
| 253 switch(sensor_id_ordered[2]) | |
| 254 { | |
| 255 case 0: | |
| 256 *outOfBouds1 = 1; | |
| 257 break; | |
| 258 case 1: | |
| 259 *outOfBouds2 = 1; | |
| 260 break; | |
| 261 case 2: | |
| 262 *outOfBouds3 = 1; | |
| 263 break; | |
| 264 } | |
| 265 } | |
| 266 } | |
| 267 } | |
| 268 | |
| 269 | |
| 270 uint8_t get_ppO2SensorWeightedResult_cbar(void) | |
| 271 { | |
| 272 int8_t sensorOutOfBound[3]; | |
| 273 uint16_t result = 0; | |
| 274 uint8_t count = 0; | |
| 275 | |
| 276 test_HUD_sensor_values_outOfBounds(&sensorOutOfBound[0], &sensorOutOfBound[1], &sensorOutOfBound[2]); | |
| 277 | |
| 278 for(int i=0;i<3;i++) | |
| 279 { | |
| 280 if(!sensorOutOfBound[i]) | |
| 281 { | |
| 282 result += receiveHUD[boolHUDdata].sensor_ppo2_cbar[i]; | |
| 283 count++; | |
| 284 } | |
| 285 } | |
| 286 if(count == 0) // all sensors out of bounds! | |
| 287 return 0; | |
| 288 else | |
| 289 return (uint8_t)(result / count); | |
| 290 } | |
| 291 | |
| 292 | |
| 293 void tCCR_init(void) | |
| 294 { | |
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295 uint8_t loop; |
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296 |
| 38 | 297 StartListeningToUART_HUD = 1; |
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298 |
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299 SDiveState* pDiveData = stateRealGetPointerWrite(); |
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300 for(loop=0;loop<(2*NUM_GASES+1);loop++) |
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301 { |
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302 pDiveData->lifeData.bottle_bar_age_MilliSeconds[loop] = BOTTLE_SENSOR_TIMEOUT; |
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303 } |
| 38 | 304 } |
| 305 | |
| 306 | |
| 307 /* after 3 seconds without update from HUD | |
| 308 * data is considered old | |
| 309 */ | |
| 310 void tCCR_tick(void) | |
| 311 { | |
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312 if(HUDTimeoutCount < 3 * 10) |
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313 HUDTimeoutCount++; |
| 38 | 314 else |
| 315 { | |
| 316 data_old__lost_connection_to_HUD = 1; | |
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317 if(HUDTimeoutCount < 20 * 10) |
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318 HUDTimeoutCount++; |
| 38 | 319 else |
| 320 tCCR_fallbackToFixedSetpoint(); | |
| 321 } | |
| 322 } | |
| 323 | |
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324 void tCCR_SetRXIndication(void) |
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325 { |
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326 static uint8_t floatingRXCount = 0; |
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327 |
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328 if((UartIR_HUD_Handle.RxXferSize == HUD_RX_FRAME_LENGTH) || (UartIR_HUD_Handle.RxXferSize == HUD_RX_FRAME_LENGTH - 1)) /* we expected a complete frame */ |
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329 { |
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330 UartReadyHUD = SET; |
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331 LastReceivedTick_HUD = HAL_GetTick(); |
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332 floatingRXCount = 0; |
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333 } |
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334 else /* follow up of error handling */ |
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335 { |
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336 if(time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_FRAME_BREAK_MS) /* Reception took a while => frame start detected */ |
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337 { |
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338 HAL_UART_Receive_IT(&UartIR_HUD_Handle, &receiveHUDraw[1], 14); /* We have already the first byte => get the missing 14 */ |
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339 } |
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340 else |
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341 { |
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342 if(floatingRXCount++ < HUD_BABBLING_IDIOT) |
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343 { |
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344 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); /* Start polling of incoming bytes */ |
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345 } |
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346 else /* Significant amount of data comming in without break => disable input */ |
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347 { /* by not reactivation HUD RX, no recovery fromthis state */ |
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348 stateUsedWrite->diveSettings.ppo2sensors_deactivated = 0x07; /* Display deactivation */ |
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349 } |
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350 } |
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351 } |
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352 |
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353 } |
| 38 | 354 |
| 355 void tCCR_restart(void) | |
| 356 { | |
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357 HAL_UART_AbortReceive_IT(&UartIR_HUD_Handle); /* Called by the error handler. RX will be restarted by control function */ |
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358 StartListeningToUART_HUD = 1; |
| 38 | 359 } |
| 360 | |
| 361 | |
| 362 void tCCR_control(void) | |
| 363 { | |
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364 uint16_t checksum = 0; |
| 457 | 365 #ifdef ENABLE_BOTTLE_SENSOR |
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366 SDiveState *pLivedata = stateRealGetPointerWrite(); |
| 457 | 367 #endif |
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368 |
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369 if((UartReadyHUD == RESET) && StartListeningToUART_HUD && (time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_START_DELAY_MS)) |
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370 { |
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371 StartListeningToUART_HUD = 0; |
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372 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, HUD_RX_FRAME_LENGTH); |
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373 } |
| 38 | 374 |
| 375 if(UartReadyHUD == SET) | |
| 376 { | |
| 377 UartReadyHUD = RESET; | |
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378 StartListeningToUART_HUD = 1; |
| 38 | 379 |
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380 /* check if received package is valid */ |
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381 for(int i=0;i<13;i++) |
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382 { |
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383 checksum += receiveHUDraw[i]; |
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384 } |
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385 receiveHUD[!boolHUDdata].checksum = receiveHUDraw[13] + (256 * receiveHUDraw[14]); |
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386 if(checksum == receiveHUD[!boolHUDdata].checksum) |
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387 { |
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388 #ifdef ENABLE_BOTTLE_SENSOR |
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389 if(receiveHUDraw[0] == 0xA5) /* code for pressure sensor */ |
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390 { |
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391 pLivedata->lifeData.bottle_bar[pLivedata->lifeData.actualGas.GasIdInSettings] = receiveHUDraw[10]; |
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392 pLivedata->lifeData.bottle_bar_age_MilliSeconds[pLivedata->lifeData.actualGas.GasIdInSettings] = 0; |
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393 } |
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394 else |
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395 #endif |
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396 /* handle O2 sensor data */ |
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397 { |
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398 memcpy(&receiveHUD[!boolHUDdata], receiveHUDraw, 11); |
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399 receiveHUD[!boolHUDdata].battery_voltage_mV = receiveHUDraw[11] + (256 * receiveHUDraw[12]); |
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400 } |
| 38 | 401 |
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402 boolHUDdata = !boolHUDdata; |
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403 HUDTimeoutCount = 0; |
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404 data_old__lost_connection_to_HUD = 0; |
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405 } |
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406 else |
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407 { |
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408 if(data_old__lost_connection_to_HUD) /* we lost connection, maybe due to RX shift => start single byte read to resynchronize */ |
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409 { |
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410 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); |
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411 StartListeningToUART_HUD = 0; |
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412 } |
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413 } |
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414 memset(receiveHUDraw,0,sizeof(receiveHUDraw)); |
| 38 | 415 } |
| 416 } | |
| 417 | |
| 418 #endif | |
| 419 /* Private functions ---------------------------------------------------------*/ | |
| 420 | |
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421 static void tCCR_fallbackToFixedSetpoint(void) |
| 38 | 422 { |
| 423 if((stateUsed->mode == MODE_DIVE) && (stateUsed->diveSettings.diveMode == DIVEMODE_CCR) && (stateUsed->diveSettings.CCR_Mode == CCRMODE_Sensors) && (stateUsed->diveSettings.fallbackOption)) | |
| 424 { | |
| 425 uint8_t setpointCbar, actualGasID; | |
| 426 | |
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427 setpointCbar = stateUsed->diveSettings.setpoint[1].setpoint_cbar; |
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428 stateUsedWrite->diveSettings.CCR_Mode = CCRMODE_FixedSetpoint; |
| 38 | 429 |
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430 actualGasID = stateUsed->lifeData.actualGas.GasIdInSettings; |
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431 setActualGas_DM(&stateUsedWrite->lifeData,actualGasID,setpointCbar); |
| 38 | 432 |
| 433 set_warning_fallback(); | |
| 434 } | |
| 435 } |