Mercurial > public > ostc4
annotate Discovery/Src/tCCR.c @ 661:87bee7cc77b3
Undo Rev. 660
| author | heinrichs weikamp |
|---|---|
| date | Mon, 01 Nov 2021 12:39:34 +0100 |
| parents | 980b4aa60a0e |
| children | 1b995079c045 |
| 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" |
| 634 | 37 #include <math.h> |
| 38 | 38 |
| 39 /* Private types -------------------------------------------------------------*/ | |
| 40 typedef struct | |
| 41 { | |
| 42 uint8_t hud_firmwareVersion; | |
| 43 bit8_Type status_byte; | |
| 44 uint16_t sensor_voltage_100uV[3]; | |
| 45 uint8_t sensor_ppo2_cbar[3]; | |
| 46 uint8_t temp1; | |
| 47 uint16_t battery_voltage_mV; | |
| 48 uint16_t checksum; | |
| 49 } SIrLink; | |
| 50 | |
| 634 | 51 typedef enum |
| 52 { | |
| 53 sensorOK = 0, | |
| 54 sensorSuspect, | |
| 55 SensorOutOfBounds | |
| 56 } sensorTrustState_t; | |
| 57 | |
| 58 | |
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59 #define HUD_BABBLING_IDIOT (30u) /* 30 Bytes received without break */ |
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60 #define HUD_RX_FRAME_LENGTH (15u) /* Length of a HUD data frame */ |
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61 #define HUD_RX_FRAME_BREAK_MS (100u) /* Time used to detect a gap between two byte receptions => frame start */ |
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62 #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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63 /* Based on an assumed cycle time by the sensor of 1 second. Started at time of last RX */ |
| 38 | 64 |
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65 #define BOTTLE_SENSOR_TIMEOUT (6000u) /* signal pressure budget as not received after 10 minutes (6000 * 100ms) */ |
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66 |
| 634 | 67 #define MAX_SENSOR_COMPARE_DEVIATION (0.15f) /* max deviation between two sensors allowed before their results are rated as suspect */ |
| 68 | |
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69 /* Private variables ---------------------------------------------------------*/ |
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70 static SIrLink receiveHUD[2]; |
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71 static uint8_t boolHUDdata = 0; |
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72 static uint8_t data_old__lost_connection_to_HUD = 1; |
| 38 | 73 |
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74 static uint8_t receiveHUDraw[16]; |
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75 |
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76 static uint8_t StartListeningToUART_HUD = 0; |
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77 static uint16_t HUDTimeoutCount = 0; |
| 655 | 78 static uint16_t ScrubberTimeoutCount = 0; |
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79 |
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80 static __IO ITStatus UartReadyHUD = RESET; |
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81 static uint32_t LastReceivedTick_HUD = 0; |
| 38 | 82 |
| 83 /* Private variables with external access via get_xxx() function -------------*/ | |
| 84 | |
| 85 /* Private function prototypes -----------------------------------------------*/ | |
| 635 | 86 static uint8_t tCCR_fallbackToFixedSetpoint(void); |
| 38 | 87 |
| 88 #ifndef USART_IR_HUD | |
| 89 | |
| 90 void tCCR_init(void) | |
| 91 { | |
| 92 } | |
| 93 void tCCR_control(void) | |
| 94 { | |
| 95 } | |
| 96 void tCCR_test(void) | |
| 97 { | |
| 98 } | |
| 99 void tCCR_restart(void) | |
| 100 { | |
| 101 } | |
| 102 float get_ppO2Sensor_bar(uint8_t sensor_id) | |
| 103 { | |
| 104 } | |
| 105 float get_sensorVoltage_mV(uint8_t sensor_id) | |
| 106 { | |
| 107 } | |
| 108 float get_HUD_battery_voltage_V(void) | |
| 109 { | |
| 110 } | |
| 111 void tCCR_tick(void) | |
| 112 { | |
| 113 } | |
| 114 | |
| 115 #else | |
| 116 /* Exported functions --------------------------------------------------------*/ | |
| 117 | |
| 118 float get_ppO2Sensor_bar(uint8_t sensor_id) | |
| 119 { | |
| 120 if((sensor_id > 2) || data_old__lost_connection_to_HUD) | |
| 121 return 0; | |
| 122 | |
| 123 return (float)(receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id]) / 100.0f; | |
| 124 } | |
| 125 | |
| 126 float get_sensorVoltage_mV(uint8_t sensor_id) | |
| 127 { | |
| 128 if((sensor_id > 2) || data_old__lost_connection_to_HUD) | |
| 129 return 0; | |
| 130 | |
| 131 return (float)(receiveHUD[boolHUDdata].sensor_voltage_100uV[sensor_id]) / 10.0f; | |
| 132 } | |
| 133 | |
| 134 float get_HUD_battery_voltage_V(void) | |
| 135 { | |
| 136 if(data_old__lost_connection_to_HUD) | |
| 137 return 0; | |
| 138 | |
| 139 return (float)(receiveHUD[boolHUDdata].battery_voltage_mV) / 1000.0f; | |
| 140 } | |
| 141 | |
| 142 | |
| 563 | 143 void test_O2_sensor_values_outOfBounds(int8_t * outOfBouds1, int8_t * outOfBouds2, int8_t * outOfBouds3) |
| 38 | 144 { |
| 145 uint8_t sensorNotActiveBinary; | |
| 146 uint8_t sensorActive[3]; | |
| 634 | 147 sensorTrustState_t sensorState[3]; |
| 148 uint8_t index; | |
| 149 | |
| 38 | 150 |
| 151 // test1: user deactivation | |
| 152 sensorNotActiveBinary = stateUsed->diveSettings.ppo2sensors_deactivated; | |
| 153 | |
| 154 for(int i=0;i<3;i++) | |
| 155 sensorActive[i] = 1; | |
| 156 | |
| 157 if(sensorNotActiveBinary) | |
| 158 { | |
| 159 if(sensorNotActiveBinary & 1) | |
| 160 sensorActive[0] = 0; | |
| 161 | |
| 162 if(sensorNotActiveBinary & 2) | |
| 163 sensorActive[1] = 0; | |
| 164 | |
| 165 if(sensorNotActiveBinary & 4) | |
| 166 sensorActive[2] = 0; | |
| 167 } | |
| 168 | |
| 169 // test2: mV of remaining sensors | |
| 170 for(int i=0;i<3;i++) | |
| 171 { | |
| 634 | 172 sensorState[i] = sensorOK; |
| 173 | |
| 38 | 174 if(sensorActive[i]) |
| 175 { | |
| 563 | 176 if( (stateUsed->lifeData.sensorVoltage_mV[i] < 8) || |
| 177 (stateUsed->lifeData.sensorVoltage_mV[i] > 250)) | |
| 38 | 178 { |
| 179 sensorActive[i] = 0; | |
| 180 switch(i) | |
| 181 { | |
| 182 case 0: | |
| 183 sensorNotActiveBinary |= 1; | |
| 184 break; | |
| 185 case 1: | |
| 186 sensorNotActiveBinary |= 2; | |
| 187 break; | |
| 188 case 2: | |
| 189 sensorNotActiveBinary |= 4; | |
| 190 break; | |
| 191 } | |
| 192 } | |
| 193 } | |
| 194 } | |
| 195 | |
| 196 *outOfBouds1 = 0; | |
| 197 *outOfBouds2 = 0; | |
| 198 *outOfBouds3 = 0; | |
| 199 | |
| 200 /* with two, one or no sensor, there is nothing to compare anymore | |
| 201 */ | |
| 202 if(sensorNotActiveBinary) | |
| 203 { | |
| 204 // set outOfBounds for both tests | |
| 205 if(!sensorActive[0]) | |
| 206 *outOfBouds1 = 1; | |
| 207 | |
| 208 if(!sensorActive[1]) | |
| 209 *outOfBouds2 = 1; | |
| 210 | |
| 211 if(!sensorActive[2]) | |
| 212 *outOfBouds3 = 1; | |
| 213 } | |
| 214 else | |
| 215 { | |
| 634 | 216 /* Check two or more of Three */ |
| 217 /* compare every sensor with each other. If there is only one mismatch the value might be OK. In case both comparisons fail the sensor is out of bounds */ | |
| 218 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[0] - stateUsed->lifeData.ppO2Sensor_bar[1]) > MAX_SENSOR_COMPARE_DEVIATION) | |
| 38 | 219 { |
| 634 | 220 sensorState[0]++; |
| 221 sensorState[1]++; | |
| 38 | 222 } |
| 634 | 223 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[0] - stateUsed->lifeData.ppO2Sensor_bar[2]) > MAX_SENSOR_COMPARE_DEVIATION) |
| 38 | 224 { |
| 634 | 225 sensorState[0]++; |
| 226 sensorState[2]++; | |
| 227 } | |
| 228 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[1] - stateUsed->lifeData.ppO2Sensor_bar[2]) > MAX_SENSOR_COMPARE_DEVIATION) | |
| 229 { | |
| 230 sensorState[1]++; | |
| 231 sensorState[2]++; | |
| 38 | 232 } |
| 634 | 233 for(index = 0; index < 3; index++) |
| 38 | 234 { |
| 634 | 235 if(sensorState[index] == SensorOutOfBounds) |
| 236 { | |
| 237 switch(index) | |
| 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 default: | |
| 249 break; | |
| 250 } | |
| 251 } | |
| 38 | 252 } |
| 253 } | |
| 254 } | |
| 255 | |
| 635 | 256 /* this function is called out of the 100ms callback => to be considered for debouncing */ |
| 38 | 257 uint8_t get_ppO2SensorWeightedResult_cbar(void) |
| 258 { | |
| 634 | 259 static uint8_t lastValidValue = 0; |
| 38 | 260 int8_t sensorOutOfBound[3]; |
| 261 uint16_t result = 0; | |
| 262 uint8_t count = 0; | |
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263 uint8_t retVal = 0; |
| 38 | 264 |
| 563 | 265 test_O2_sensor_values_outOfBounds(&sensorOutOfBound[0], &sensorOutOfBound[1], &sensorOutOfBound[2]); |
| 38 | 266 |
| 267 for(int i=0;i<3;i++) | |
| 268 { | |
| 269 if(!sensorOutOfBound[i]) | |
| 270 { | |
| 563 | 271 result += stateUsed->lifeData.ppO2Sensor_bar[i] * 100.0; /* convert centibar used by HUB */ |
| 38 | 272 count++; |
| 273 } | |
| 274 } | |
| 634 | 275 if(count == 0) /* all sensors out of bounds! => return last valid value as workaround till diver takes action */ |
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276 { |
| 635 | 277 if(debounce_warning_fallback(100)) |
| 278 { | |
| 279 set_warning_fallback(); | |
| 280 retVal = tCCR_fallbackToFixedSetpoint(); /* this function only changes setpoint if option is enabled */ | |
| 281 } | |
| 282 if(retVal == 0) | |
| 283 { | |
| 284 retVal = lastValidValue; | |
| 285 } | |
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286 } |
| 38 | 287 else |
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288 { |
| 635 | 289 reset_debounce_warning_fallback(); |
| 290 retVal = (uint8_t)(result / count); | |
| 291 lastValidValue = retVal; | |
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292 } |
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293 return retVal; |
| 38 | 294 } |
| 295 | |
| 296 | |
| 297 void tCCR_init(void) | |
| 298 { | |
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299 uint8_t loop; |
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300 |
| 38 | 301 StartListeningToUART_HUD = 1; |
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302 |
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303 SDiveState* pDiveData = stateRealGetPointerWrite(); |
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304 for(loop=0;loop<(2*NUM_GASES+1);loop++) |
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305 { |
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306 pDiveData->lifeData.bottle_bar_age_MilliSeconds[loop] = BOTTLE_SENSOR_TIMEOUT; |
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307 } |
| 38 | 308 } |
| 309 | |
| 310 | |
| 311 /* after 3 seconds without update from HUD | |
| 312 * data is considered old | |
| 313 */ | |
| 314 void tCCR_tick(void) | |
| 315 { | |
| 655 | 316 SSettings* pSettings = settingsGetPointer(); |
| 317 | |
| 318 if(pSettings->ppo2sensors_source == O2_SENSOR_SOURCE_OPTIC) | |
| 563 | 319 { |
| 320 if(HUDTimeoutCount < 3 * 10) | |
| 321 HUDTimeoutCount++; | |
| 322 else | |
| 323 { | |
| 324 data_old__lost_connection_to_HUD = 1; | |
| 325 if(HUDTimeoutCount < 20 * 10) | |
| 326 HUDTimeoutCount++; | |
| 327 else | |
| 328 tCCR_fallbackToFixedSetpoint(); | |
| 329 } | |
| 330 } | |
| 655 | 331 |
| 332 /* decrease scrubber timer only in real dive mode */ | |
| 333 if((pSettings->scrubTimerMode != SCRUB_TIMER_OFF) && (pSettings->dive_mode == DIVEMODE_CCR) && (stateUsed->mode == MODE_DIVE) && (stateUsed == stateRealGetPointer())) | |
| 334 { | |
| 335 ScrubberTimeoutCount++; | |
| 336 if(ScrubberTimeoutCount >= 600) /* resolution is minutes */ | |
| 337 { | |
| 338 ScrubberTimeoutCount = 0; | |
| 339 if(pSettings->scrubTimerCur > 0) | |
| 340 { | |
| 341 pSettings->scrubTimerCur--; | |
| 342 } | |
| 343 } | |
| 344 } | |
| 38 | 345 } |
| 346 | |
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347 void tCCR_SetRXIndication(void) |
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348 { |
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349 static uint8_t floatingRXCount = 0; |
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350 |
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351 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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352 { |
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353 UartReadyHUD = SET; |
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354 LastReceivedTick_HUD = HAL_GetTick(); |
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355 floatingRXCount = 0; |
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356 } |
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357 else /* follow up of error handling */ |
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358 { |
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359 if(time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_FRAME_BREAK_MS) /* Reception took a while => frame start detected */ |
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360 { |
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361 HAL_UART_Receive_IT(&UartIR_HUD_Handle, &receiveHUDraw[1], 14); /* We have already the first byte => get the missing 14 */ |
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362 } |
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363 else |
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364 { |
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365 if(floatingRXCount++ < HUD_BABBLING_IDIOT) |
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366 { |
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367 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); /* Start polling of incoming bytes */ |
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368 } |
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369 else /* Significant amount of data comming in without break => disable input */ |
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370 { /* by not reactivation HUD RX, no recovery fromthis state */ |
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371 stateUsedWrite->diveSettings.ppo2sensors_deactivated = 0x07; /* Display deactivation */ |
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372 } |
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373 } |
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374 } |
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375 |
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376 } |
| 38 | 377 |
| 378 void tCCR_restart(void) | |
| 379 { | |
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380 HAL_UART_AbortReceive_IT(&UartIR_HUD_Handle); /* Called by the error handler. RX will be restarted by control function */ |
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381 StartListeningToUART_HUD = 1; |
| 38 | 382 } |
| 383 | |
| 384 | |
| 385 void tCCR_control(void) | |
| 386 { | |
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446
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387 uint16_t checksum = 0; |
| 457 | 388 #ifdef ENABLE_BOTTLE_SENSOR |
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389 SDiveState *pLivedata = stateRealGetPointerWrite(); |
| 457 | 390 #endif |
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391 |
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392 if((UartReadyHUD == RESET) && StartListeningToUART_HUD && (time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_START_DELAY_MS)) |
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393 { |
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394 StartListeningToUART_HUD = 0; |
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395 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, HUD_RX_FRAME_LENGTH); |
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396 } |
| 38 | 397 |
| 398 if(UartReadyHUD == SET) | |
| 399 { | |
| 400 UartReadyHUD = RESET; | |
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401 StartListeningToUART_HUD = 1; |
| 38 | 402 |
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403 /* check if received package is valid */ |
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404 for(int i=0;i<13;i++) |
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405 { |
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406 checksum += receiveHUDraw[i]; |
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407 } |
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408 receiveHUD[!boolHUDdata].checksum = receiveHUDraw[13] + (256 * receiveHUDraw[14]); |
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409 if(checksum == receiveHUD[!boolHUDdata].checksum) |
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410 { |
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411 #ifdef ENABLE_BOTTLE_SENSOR |
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412 if(receiveHUDraw[0] == 0xA5) /* code for pressure sensor */ |
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413 { |
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414 pLivedata->lifeData.bottle_bar[pLivedata->lifeData.actualGas.GasIdInSettings] = receiveHUDraw[10]; |
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415 pLivedata->lifeData.bottle_bar_age_MilliSeconds[pLivedata->lifeData.actualGas.GasIdInSettings] = 0; |
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416 } |
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417 else |
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418 #endif |
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419 /* handle O2 sensor data */ |
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420 { |
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421 memcpy(&receiveHUD[!boolHUDdata], receiveHUDraw, 11); |
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422 receiveHUD[!boolHUDdata].battery_voltage_mV = receiveHUDraw[11] + (256 * receiveHUDraw[12]); |
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423 } |
| 38 | 424 |
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425 boolHUDdata = !boolHUDdata; |
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426 HUDTimeoutCount = 0; |
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427 data_old__lost_connection_to_HUD = 0; |
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428 } |
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429 else |
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430 { |
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431 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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432 { |
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433 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); |
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434 StartListeningToUART_HUD = 0; |
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435 } |
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436 } |
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437 memset(receiveHUDraw,0,sizeof(receiveHUDraw)); |
| 38 | 438 } |
| 439 } | |
| 440 | |
| 441 #endif | |
| 442 /* Private functions ---------------------------------------------------------*/ | |
| 443 | |
| 635 | 444 static uint8_t tCCR_fallbackToFixedSetpoint(void) |
| 38 | 445 { |
| 635 | 446 uint8_t retVal = 0; |
| 38 | 447 if((stateUsed->mode == MODE_DIVE) && (stateUsed->diveSettings.diveMode == DIVEMODE_CCR) && (stateUsed->diveSettings.CCR_Mode == CCRMODE_Sensors) && (stateUsed->diveSettings.fallbackOption)) |
| 448 { | |
| 449 uint8_t setpointCbar, actualGasID; | |
| 450 | |
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451 setpointCbar = stateUsed->diveSettings.setpoint[1].setpoint_cbar; |
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452 stateUsedWrite->diveSettings.CCR_Mode = CCRMODE_FixedSetpoint; |
| 38 | 453 |
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454 actualGasID = stateUsed->lifeData.actualGas.GasIdInSettings; |
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455 setActualGas_DM(&stateUsedWrite->lifeData,actualGasID,setpointCbar); |
| 38 | 456 |
| 457 set_warning_fallback(); | |
| 635 | 458 retVal = stateUsed->diveSettings.setpoint[1].setpoint_cbar; |
| 38 | 459 } |
| 635 | 460 return retVal; |
| 38 | 461 } |