Mercurial > public > ostc4
annotate Discovery/Src/tCCR.c @ 563:d97f0e395058
Refine o2 sensor diagnostic functions:
Changed implementation to ignore connection errors if analog interface is selected. Because the HUD is using cBars, the code has been modified to be compatible with the Bar units provided by the analog interface. Behavior (outofbounds) should be identical to the previous implementation.
| author | Ideenmodellierer |
|---|---|
| date | Sun, 15 Nov 2020 20:01:56 +0100 |
| parents | 4bd01f48c285 |
| children | 64bf41faab83 |
| 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 | |
| 563 | 131 void test_O2_sensor_values_outOfBounds(int8_t * outOfBouds1, int8_t * outOfBouds2, int8_t * outOfBouds3) |
| 38 | 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 { | |
| 563 | 159 if( (stateUsed->lifeData.sensorVoltage_mV[i] < 8) || |
| 160 (stateUsed->lifeData.sensorVoltage_mV[i] > 250)) | |
| 38 | 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]; | |
| 563 | 202 float difference[2]; |
| 38 | 203 |
| 563 | 204 if((stateUsed->lifeData.ppO2Sensor_bar[1] > stateUsed->lifeData.ppO2Sensor_bar[0])) |
| 38 | 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 } | |
| 563 | 214 if(stateUsed->lifeData.ppO2Sensor_bar[2] > stateUsed->lifeData.ppO2Sensor_bar[sensor_id_ordered[1]]) |
| 38 | 215 { |
| 216 sensor_id_ordered[2] = 2; | |
| 217 } | |
| 218 else | |
| 219 { | |
| 220 sensor_id_ordered[2] = sensor_id_ordered[1]; | |
| 563 | 221 if(stateUsed->lifeData.ppO2Sensor_bar[2] > stateUsed->lifeData.ppO2Sensor_bar[sensor_id_ordered[0]]) |
| 38 | 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 | |
| 563 | 232 difference[0] = stateUsed->lifeData.ppO2Sensor_bar[sensor_id_ordered[1]]- stateUsed->lifeData.ppO2Sensor_bar[sensor_id_ordered[0]]; |
| 233 difference[1] = stateUsed->lifeData.ppO2Sensor_bar[sensor_id_ordered[2]]- stateUsed->lifeData.ppO2Sensor_bar[sensor_id_ordered[1]]; | |
| 38 | 234 |
| 563 | 235 if((difference[0] > difference[1]) && (difference[0] > 0.15)) /* was 15cBar ==> 0.15 bar */ |
| 38 | 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 | |
| 563 | 251 if((difference[0] < difference[1]) && (difference[1] > 0.15)) |
| 38 | 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 | |
| 563 | 276 test_O2_sensor_values_outOfBounds(&sensorOutOfBound[0], &sensorOutOfBound[1], &sensorOutOfBound[2]); |
| 38 | 277 |
| 278 for(int i=0;i<3;i++) | |
| 279 { | |
| 280 if(!sensorOutOfBound[i]) | |
| 281 { | |
| 563 | 282 result += stateUsed->lifeData.ppO2Sensor_bar[i] * 100.0; /* convert centibar used by HUB */ |
| 38 | 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 { | |
| 563 | 312 if(settingsGetPointer()->ppo2sensors_source == O2_SENSOR_SOURCE_OPTIC) |
| 313 { | |
| 314 if(HUDTimeoutCount < 3 * 10) | |
| 315 HUDTimeoutCount++; | |
| 316 else | |
| 317 { | |
| 318 data_old__lost_connection_to_HUD = 1; | |
| 319 if(HUDTimeoutCount < 20 * 10) | |
| 320 HUDTimeoutCount++; | |
| 321 else | |
| 322 tCCR_fallbackToFixedSetpoint(); | |
| 323 } | |
| 324 } | |
| 38 | 325 } |
| 326 | |
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327 void tCCR_SetRXIndication(void) |
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328 { |
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329 static uint8_t floatingRXCount = 0; |
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330 |
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331 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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332 { |
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333 UartReadyHUD = SET; |
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334 LastReceivedTick_HUD = HAL_GetTick(); |
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335 floatingRXCount = 0; |
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336 } |
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337 else /* follow up of error handling */ |
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338 { |
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339 if(time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_FRAME_BREAK_MS) /* Reception took a while => frame start detected */ |
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340 { |
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341 HAL_UART_Receive_IT(&UartIR_HUD_Handle, &receiveHUDraw[1], 14); /* We have already the first byte => get the missing 14 */ |
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342 } |
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343 else |
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344 { |
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345 if(floatingRXCount++ < HUD_BABBLING_IDIOT) |
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346 { |
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347 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); /* Start polling of incoming bytes */ |
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348 } |
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349 else /* Significant amount of data comming in without break => disable input */ |
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350 { /* by not reactivation HUD RX, no recovery fromthis state */ |
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351 stateUsedWrite->diveSettings.ppo2sensors_deactivated = 0x07; /* Display deactivation */ |
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352 } |
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353 } |
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354 } |
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355 |
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356 } |
| 38 | 357 |
| 358 void tCCR_restart(void) | |
| 359 { | |
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360 HAL_UART_AbortReceive_IT(&UartIR_HUD_Handle); /* Called by the error handler. RX will be restarted by control function */ |
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361 StartListeningToUART_HUD = 1; |
| 38 | 362 } |
| 363 | |
| 364 | |
| 365 void tCCR_control(void) | |
| 366 { | |
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367 uint16_t checksum = 0; |
| 457 | 368 #ifdef ENABLE_BOTTLE_SENSOR |
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369 SDiveState *pLivedata = stateRealGetPointerWrite(); |
| 457 | 370 #endif |
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371 |
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372 if((UartReadyHUD == RESET) && StartListeningToUART_HUD && (time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_START_DELAY_MS)) |
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373 { |
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374 StartListeningToUART_HUD = 0; |
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375 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, HUD_RX_FRAME_LENGTH); |
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376 } |
| 38 | 377 |
| 378 if(UartReadyHUD == SET) | |
| 379 { | |
| 380 UartReadyHUD = RESET; | |
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381 StartListeningToUART_HUD = 1; |
| 38 | 382 |
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383 /* check if received package is valid */ |
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384 for(int i=0;i<13;i++) |
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385 { |
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386 checksum += receiveHUDraw[i]; |
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387 } |
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388 receiveHUD[!boolHUDdata].checksum = receiveHUDraw[13] + (256 * receiveHUDraw[14]); |
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389 if(checksum == receiveHUD[!boolHUDdata].checksum) |
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390 { |
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391 #ifdef ENABLE_BOTTLE_SENSOR |
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392 if(receiveHUDraw[0] == 0xA5) /* code for pressure sensor */ |
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393 { |
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394 pLivedata->lifeData.bottle_bar[pLivedata->lifeData.actualGas.GasIdInSettings] = receiveHUDraw[10]; |
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395 pLivedata->lifeData.bottle_bar_age_MilliSeconds[pLivedata->lifeData.actualGas.GasIdInSettings] = 0; |
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396 } |
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397 else |
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398 #endif |
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399 /* handle O2 sensor data */ |
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400 { |
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401 memcpy(&receiveHUD[!boolHUDdata], receiveHUDraw, 11); |
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402 receiveHUD[!boolHUDdata].battery_voltage_mV = receiveHUDraw[11] + (256 * receiveHUDraw[12]); |
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403 } |
| 38 | 404 |
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405 boolHUDdata = !boolHUDdata; |
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406 HUDTimeoutCount = 0; |
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407 data_old__lost_connection_to_HUD = 0; |
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408 } |
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409 else |
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410 { |
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411 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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412 { |
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413 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); |
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414 StartListeningToUART_HUD = 0; |
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415 } |
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416 } |
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417 memset(receiveHUDraw,0,sizeof(receiveHUDraw)); |
| 38 | 418 } |
| 419 } | |
| 420 | |
| 421 #endif | |
| 422 /* Private functions ---------------------------------------------------------*/ | |
| 423 | |
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424 static void tCCR_fallbackToFixedSetpoint(void) |
| 38 | 425 { |
| 426 if((stateUsed->mode == MODE_DIVE) && (stateUsed->diveSettings.diveMode == DIVEMODE_CCR) && (stateUsed->diveSettings.CCR_Mode == CCRMODE_Sensors) && (stateUsed->diveSettings.fallbackOption)) | |
| 427 { | |
| 428 uint8_t setpointCbar, actualGasID; | |
| 429 | |
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430 setpointCbar = stateUsed->diveSettings.setpoint[1].setpoint_cbar; |
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431 stateUsedWrite->diveSettings.CCR_Mode = CCRMODE_FixedSetpoint; |
| 38 | 432 |
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433 actualGasID = stateUsed->lifeData.actualGas.GasIdInSettings; |
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434 setActualGas_DM(&stateUsedWrite->lifeData,actualGasID,setpointCbar); |
| 38 | 435 |
| 436 set_warning_fallback(); | |
| 437 } | |
| 438 } |