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annotate Discovery/Src/tCCR.c @ 521:e221cf762f45
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| author | Ideenmodellierer |
|---|---|
| date | Thu, 10 Sep 2020 20:47:48 +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 } |