Mercurial > public > ostc4
annotate Discovery/Src/tCCR.c @ 335:c11ce8c885d3 PressureMeasure_Improvment
Use average calculation for pressure: precondition was that pressure values jittered +- 10 HPa from one capture (once a second) to the other. Basically pressure is measured several times a second => using these values in an additional history calculation reduces the jitter down to +-1 per second
Additionaly a similar function has been added to the surface pressure capture to further reduce the jitter in long therm measurements (once a minute)
| author | ideenmodellierer |
|---|---|
| date | Tue, 13 Aug 2019 21:46:26 +0200 |
| parents | 31e471d60797 |
| children | f1257a32f2d4 |
| 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" | |
| 36 | |
| 37 /* Private types -------------------------------------------------------------*/ | |
| 38 typedef struct | |
| 39 { | |
| 40 uint8_t hud_firmwareVersion; | |
| 41 bit8_Type status_byte; | |
| 42 uint16_t sensor_voltage_100uV[3]; | |
| 43 uint8_t sensor_ppo2_cbar[3]; | |
| 44 uint8_t temp1; | |
| 45 uint16_t battery_voltage_mV; | |
| 46 uint16_t checksum; | |
| 47 } SIrLink; | |
| 48 | |
|
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49 #define HUD_BABBLING_IDIOT (30u) /* 30 Bytes received without break */ |
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50 #define HUD_RX_FRAME_LENGTH (15u) /* Length of a HUD data frame */ |
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51 #define HUD_RX_FRAME_BREAK_MS (100u) /* Time used to detect a gap between two byte receptions => frame start */ |
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52 #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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53 /* Based on an assumed cycle time by the sensor of 1 second. Started at time of last RX */ |
| 38 | 54 |
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55 /* Private variables ---------------------------------------------------------*/ |
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56 static SIrLink receiveHUD[2]; |
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57 static uint8_t boolHUDdata = 0; |
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58 static uint8_t data_old__lost_connection_to_HUD = 1; |
| 38 | 59 |
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60 static uint8_t receiveHUDraw[16]; |
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61 |
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62 static uint8_t StartListeningToUART_HUD = 0; |
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63 static uint16_t HUDTimeoutCount = 0; |
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64 |
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65 static __IO ITStatus UartReadyHUD = RESET; |
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66 static uint32_t LastReceivedTick_HUD = 0; |
| 38 | 67 |
| 68 /* Private variables with external access via get_xxx() function -------------*/ | |
| 69 | |
| 70 /* Private function prototypes -----------------------------------------------*/ | |
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71 static void tCCR_fallbackToFixedSetpoint(void); |
| 38 | 72 |
| 73 #ifndef USART_IR_HUD | |
| 74 | |
| 75 void tCCR_init(void) | |
| 76 { | |
| 77 } | |
| 78 void tCCR_control(void) | |
| 79 { | |
| 80 } | |
| 81 void tCCR_test(void) | |
| 82 { | |
| 83 } | |
| 84 void tCCR_restart(void) | |
| 85 { | |
| 86 } | |
| 87 float get_ppO2Sensor_bar(uint8_t sensor_id) | |
| 88 { | |
| 89 } | |
| 90 float get_sensorVoltage_mV(uint8_t sensor_id) | |
| 91 { | |
| 92 } | |
| 93 float get_HUD_battery_voltage_V(void) | |
| 94 { | |
| 95 } | |
| 96 void tCCR_tick(void) | |
| 97 { | |
| 98 } | |
| 99 | |
| 100 #else | |
| 101 /* Exported functions --------------------------------------------------------*/ | |
| 102 | |
| 103 float get_ppO2Sensor_bar(uint8_t sensor_id) | |
| 104 { | |
| 105 if((sensor_id > 2) || data_old__lost_connection_to_HUD) | |
| 106 return 0; | |
| 107 | |
| 108 return (float)(receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id]) / 100.0f; | |
| 109 } | |
| 110 | |
| 111 float get_sensorVoltage_mV(uint8_t sensor_id) | |
| 112 { | |
| 113 if((sensor_id > 2) || data_old__lost_connection_to_HUD) | |
| 114 return 0; | |
| 115 | |
| 116 return (float)(receiveHUD[boolHUDdata].sensor_voltage_100uV[sensor_id]) / 10.0f; | |
| 117 } | |
| 118 | |
| 119 float get_HUD_battery_voltage_V(void) | |
| 120 { | |
| 121 if(data_old__lost_connection_to_HUD) | |
| 122 return 0; | |
| 123 | |
| 124 return (float)(receiveHUD[boolHUDdata].battery_voltage_mV) / 1000.0f; | |
| 125 } | |
| 126 | |
| 127 | |
| 128 void test_HUD_sensor_values_outOfBounds(int8_t * outOfBouds1, int8_t * outOfBouds2, int8_t * outOfBouds3) | |
| 129 { | |
| 130 uint8_t sensorNotActiveBinary; | |
| 131 uint8_t sensorActive[3]; | |
| 132 | |
| 133 // test1: user deactivation | |
| 134 sensorNotActiveBinary = stateUsed->diveSettings.ppo2sensors_deactivated; | |
| 135 | |
| 136 for(int i=0;i<3;i++) | |
| 137 sensorActive[i] = 1; | |
| 138 | |
| 139 if(sensorNotActiveBinary) | |
| 140 { | |
| 141 if(sensorNotActiveBinary & 1) | |
| 142 sensorActive[0] = 0; | |
| 143 | |
| 144 if(sensorNotActiveBinary & 2) | |
| 145 sensorActive[1] = 0; | |
| 146 | |
| 147 if(sensorNotActiveBinary & 4) | |
| 148 sensorActive[2] = 0; | |
| 149 } | |
| 150 | |
| 151 // test2: mV of remaining sensors | |
| 152 for(int i=0;i<3;i++) | |
| 153 { | |
| 154 if(sensorActive[i]) | |
| 155 { | |
| 156 if( (receiveHUD[boolHUDdata].sensor_voltage_100uV[i] < 80) || | |
| 157 (receiveHUD[boolHUDdata].sensor_voltage_100uV[i] > 2500)) | |
| 158 { | |
| 159 sensorActive[i] = 0; | |
| 160 switch(i) | |
| 161 { | |
| 162 case 0: | |
| 163 sensorNotActiveBinary |= 1; | |
| 164 break; | |
| 165 case 1: | |
| 166 sensorNotActiveBinary |= 2; | |
| 167 break; | |
| 168 case 2: | |
| 169 sensorNotActiveBinary |= 4; | |
| 170 break; | |
| 171 } | |
| 172 } | |
| 173 } | |
| 174 } | |
| 175 | |
| 176 *outOfBouds1 = 0; | |
| 177 *outOfBouds2 = 0; | |
| 178 *outOfBouds3 = 0; | |
| 179 | |
| 180 /* with two, one or no sensor, there is nothing to compare anymore | |
| 181 */ | |
| 182 if(sensorNotActiveBinary) | |
| 183 { | |
| 184 // set outOfBounds for both tests | |
| 185 if(!sensorActive[0]) | |
| 186 *outOfBouds1 = 1; | |
| 187 | |
| 188 if(!sensorActive[1]) | |
| 189 *outOfBouds2 = 1; | |
| 190 | |
| 191 if(!sensorActive[2]) | |
| 192 *outOfBouds3 = 1; | |
| 193 | |
| 194 return; | |
| 195 } | |
| 196 else | |
| 197 { | |
| 198 uint8_t sensor_id_ordered[3]; | |
| 199 uint8_t difference[2]; | |
| 200 | |
| 201 if((receiveHUD[boolHUDdata].sensor_ppo2_cbar[1]) > (receiveHUD[boolHUDdata].sensor_ppo2_cbar[0])) | |
| 202 { | |
| 203 sensor_id_ordered[0] = 0; | |
| 204 sensor_id_ordered[1] = 1; | |
| 205 } | |
| 206 else | |
| 207 { | |
| 208 sensor_id_ordered[0] = 1; | |
| 209 sensor_id_ordered[1] = 0; | |
| 210 } | |
| 211 if(receiveHUD[boolHUDdata].sensor_ppo2_cbar[2] > receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id_ordered[1]]) | |
| 212 { | |
| 213 sensor_id_ordered[2] = 2; | |
| 214 } | |
| 215 else | |
| 216 { | |
| 217 sensor_id_ordered[2] = sensor_id_ordered[1]; | |
| 218 if(receiveHUD[boolHUDdata].sensor_ppo2_cbar[2] > receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id_ordered[0]]) | |
| 219 { | |
| 220 sensor_id_ordered[1] = 2; | |
| 221 } | |
| 222 else | |
| 223 { | |
| 224 sensor_id_ordered[1] = sensor_id_ordered[0]; | |
| 225 sensor_id_ordered[0] = 2; | |
| 226 } | |
| 227 } | |
| 228 | |
| 229 difference[0] = receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id_ordered[1]]- receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id_ordered[0]]; | |
| 230 difference[1] = receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id_ordered[2]]- receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id_ordered[1]]; | |
| 231 | |
| 232 if((difference[0] > difference[1]) && (difference[0] > 15)) | |
| 233 { | |
| 234 switch(sensor_id_ordered[0]) | |
| 235 { | |
| 236 case 0: | |
| 237 *outOfBouds1 = 1; | |
| 238 break; | |
| 239 case 1: | |
| 240 *outOfBouds2 = 1; | |
| 241 break; | |
| 242 case 2: | |
| 243 *outOfBouds3 = 1; | |
| 244 break; | |
| 245 } | |
| 246 } | |
| 247 else | |
| 248 if((difference[0] < difference[1]) && (difference[1] > 15)) | |
| 249 { | |
| 250 switch(sensor_id_ordered[2]) | |
| 251 { | |
| 252 case 0: | |
| 253 *outOfBouds1 = 1; | |
| 254 break; | |
| 255 case 1: | |
| 256 *outOfBouds2 = 1; | |
| 257 break; | |
| 258 case 2: | |
| 259 *outOfBouds3 = 1; | |
| 260 break; | |
| 261 } | |
| 262 } | |
| 263 } | |
| 264 } | |
| 265 | |
| 266 | |
| 267 uint8_t get_ppO2SensorWeightedResult_cbar(void) | |
| 268 { | |
| 269 int8_t sensorOutOfBound[3]; | |
| 270 uint16_t result = 0; | |
| 271 uint8_t count = 0; | |
| 272 | |
| 273 test_HUD_sensor_values_outOfBounds(&sensorOutOfBound[0], &sensorOutOfBound[1], &sensorOutOfBound[2]); | |
| 274 | |
| 275 for(int i=0;i<3;i++) | |
| 276 { | |
| 277 if(!sensorOutOfBound[i]) | |
| 278 { | |
| 279 result += receiveHUD[boolHUDdata].sensor_ppo2_cbar[i]; | |
| 280 count++; | |
| 281 } | |
| 282 } | |
| 283 if(count == 0) // all sensors out of bounds! | |
| 284 return 0; | |
| 285 else | |
| 286 return (uint8_t)(result / count); | |
| 287 } | |
| 288 | |
| 289 | |
| 290 void tCCR_init(void) | |
| 291 { | |
| 292 StartListeningToUART_HUD = 1; | |
| 293 } | |
| 294 | |
| 295 | |
| 296 /* after 3 seconds without update from HUD | |
| 297 * data is considered old | |
| 298 */ | |
| 299 void tCCR_tick(void) | |
| 300 { | |
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301 if(HUDTimeoutCount < 3 * 10) |
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302 HUDTimeoutCount++; |
| 38 | 303 else |
| 304 { | |
| 305 data_old__lost_connection_to_HUD = 1; | |
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306 if(HUDTimeoutCount < 20 * 10) |
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307 HUDTimeoutCount++; |
| 38 | 308 else |
| 309 tCCR_fallbackToFixedSetpoint(); | |
| 310 } | |
| 311 } | |
| 312 | |
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313 void tCCR_SetRXIndication(void) |
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314 { |
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315 static uint8_t floatingRXCount = 0; |
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316 |
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317 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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318 { |
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319 UartReadyHUD = SET; |
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320 LastReceivedTick_HUD = HAL_GetTick(); |
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321 floatingRXCount = 0; |
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322 } |
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323 else /* follow up of error handling */ |
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324 { |
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325 if(time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_FRAME_BREAK_MS) /* Reception took a while => frame start detected */ |
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326 { |
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327 HAL_UART_Receive_IT(&UartIR_HUD_Handle, &receiveHUDraw[1], 14); /* We have already the first byte => get the missing 14 */ |
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328 } |
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329 else |
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330 { |
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331 if(floatingRXCount++ < HUD_BABBLING_IDIOT) |
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332 { |
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333 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); /* Start polling of incoming bytes */ |
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334 } |
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335 else /* Significant amount of data comming in without break => disable input */ |
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336 { /* by not reactivation HUD RX, no recovery fromthis state */ |
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337 stateUsedWrite->diveSettings.ppo2sensors_deactivated = 0x07; /* Display deactivation */ |
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338 } |
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339 } |
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340 } |
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341 |
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342 } |
| 38 | 343 |
| 344 void tCCR_restart(void) | |
| 345 { | |
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346 HAL_UART_AbortReceive_IT(&UartIR_HUD_Handle); /* Called by the error handler. RX will be restarted by control function */ |
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347 StartListeningToUART_HUD = 1; |
| 38 | 348 } |
| 349 | |
| 350 | |
| 351 void tCCR_control(void) | |
| 352 { | |
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353 |
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354 if((UartReadyHUD == RESET) && StartListeningToUART_HUD && (time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_START_DELAY_MS)) |
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355 { |
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356 StartListeningToUART_HUD = 0; |
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357 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, HUD_RX_FRAME_LENGTH); |
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358 } |
| 38 | 359 |
| 360 if(UartReadyHUD == SET) | |
| 361 { | |
| 362 UartReadyHUD = RESET; | |
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363 StartListeningToUART_HUD = 1; |
| 38 | 364 |
| 365 memcpy(&receiveHUD[!boolHUDdata], receiveHUDraw, 11); | |
| 366 receiveHUD[!boolHUDdata].battery_voltage_mV = receiveHUDraw[11] + (256 * receiveHUDraw[12]); | |
| 367 receiveHUD[!boolHUDdata].checksum = receiveHUDraw[13] + (256 * receiveHUDraw[14]); | |
| 368 | |
| 369 uint16_t checksum = 0; | |
| 370 | |
| 371 for(int i=0;i<13;i++) | |
| 372 { | |
| 373 checksum += receiveHUDraw[i]; | |
| 374 } | |
| 375 if(checksum == receiveHUD[!boolHUDdata].checksum) | |
| 376 { | |
| 377 boolHUDdata = !boolHUDdata; | |
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378 HUDTimeoutCount = 0; |
| 38 | 379 data_old__lost_connection_to_HUD = 0; |
| 380 } | |
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381 else |
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382 { |
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383 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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384 { |
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385 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); |
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386 StartListeningToUART_HUD = 0; |
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387 } |
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388 } |
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389 memset(receiveHUDraw,0,sizeof(receiveHUDraw)); |
| 38 | 390 } |
| 391 } | |
| 392 | |
| 393 #endif | |
| 394 /* Private functions ---------------------------------------------------------*/ | |
| 395 | |
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396 static void tCCR_fallbackToFixedSetpoint(void) |
| 38 | 397 { |
| 398 if((stateUsed->mode == MODE_DIVE) && (stateUsed->diveSettings.diveMode == DIVEMODE_CCR) && (stateUsed->diveSettings.CCR_Mode == CCRMODE_Sensors) && (stateUsed->diveSettings.fallbackOption)) | |
| 399 { | |
| 400 uint8_t setpointCbar, actualGasID; | |
| 401 | |
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402 setpointCbar = stateUsed->diveSettings.setpoint[1].setpoint_cbar; |
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403 stateUsedWrite->diveSettings.CCR_Mode = CCRMODE_FixedSetpoint; |
| 38 | 404 |
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405 actualGasID = stateUsed->lifeData.actualGas.GasIdInSettings; |
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406 setActualGas_DM(&stateUsedWrite->lifeData,actualGasID,setpointCbar); |
| 38 | 407 |
| 408 set_warning_fallback(); | |
| 409 } | |
| 410 } |