Mercurial > public > ostc4
annotate Discovery/Src/tCCR.c @ 752:4f19336a3f21
Dev Bugfix: Alignment problem in lifedata structure:
Since the introduction of the 64 bit DigO2 sensor ID the potential risk of a misalignment is present in the lifedata structure. E.g. If a new 8bit variable is added in front of the data structure containing the 64bit value. To avoid this in future the sensor data structure which may contain the 64bit value has been moved to the top of the structure (first element)
| author | Ideenmodellierer |
|---|---|
| date | Tue, 07 Mar 2023 19:51:30 +0100 |
| parents | dd5db6e2c9a4 |
| children | 39ff186b6f98 |
| 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 */ |
| 662 | 68 #define MAX_SENSOR_VOLTAGE_MV (250u) /* max allowed voltage value for a sensor measurement */ |
| 69 | |
| 70 #ifdef ENABLE_ALTERNATIVE_SENSORTYP | |
| 71 #define MIN_SENSOR_VOLTAGE_MV (3u) /* min allowed voltage value for a sensor measurement (Inspiration, Submatix, Sentinel Typ) */ | |
| 72 #else | |
| 73 #define MIN_SENSOR_VOLTAGE_MV (8u) /* min allowed voltage value for a sensor measurement (legacy OSTC TYP) */ | |
| 74 #endif | |
| 634 | 75 |
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76 /* Private variables ---------------------------------------------------------*/ |
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77 static SIrLink receiveHUD[2]; |
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78 static uint8_t boolHUDdata = 0; |
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79 static uint8_t data_old__lost_connection_to_HUD = 1; |
| 38 | 80 |
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81 static uint8_t receiveHUDraw[16]; |
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82 |
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83 static uint8_t StartListeningToUART_HUD = 0; |
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84 static uint16_t HUDTimeoutCount = 0; |
| 655 | 85 static uint16_t ScrubberTimeoutCount = 0; |
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86 |
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87 static __IO ITStatus UartReadyHUD = RESET; |
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88 static uint32_t LastReceivedTick_HUD = 0; |
| 38 | 89 |
| 90 /* Private variables with external access via get_xxx() function -------------*/ | |
| 91 | |
| 92 /* Private function prototypes -----------------------------------------------*/ | |
| 635 | 93 static uint8_t tCCR_fallbackToFixedSetpoint(void); |
| 38 | 94 |
| 95 #ifndef USART_IR_HUD | |
| 96 | |
| 97 void tCCR_init(void) | |
| 98 { | |
| 99 } | |
| 100 void tCCR_control(void) | |
| 101 { | |
| 102 } | |
| 103 void tCCR_test(void) | |
| 104 { | |
| 105 } | |
| 106 void tCCR_restart(void) | |
| 107 { | |
| 108 } | |
| 109 float get_ppO2Sensor_bar(uint8_t sensor_id) | |
| 110 { | |
| 111 } | |
| 112 float get_sensorVoltage_mV(uint8_t sensor_id) | |
| 113 { | |
| 114 } | |
| 115 float get_HUD_battery_voltage_V(void) | |
| 116 { | |
| 117 } | |
| 118 void tCCR_tick(void) | |
| 119 { | |
| 120 } | |
| 121 | |
| 122 #else | |
| 123 /* Exported functions --------------------------------------------------------*/ | |
| 124 | |
| 125 float get_ppO2Sensor_bar(uint8_t sensor_id) | |
| 126 { | |
| 127 if((sensor_id > 2) || data_old__lost_connection_to_HUD) | |
| 128 return 0; | |
| 129 | |
| 130 return (float)(receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id]) / 100.0f; | |
| 131 } | |
| 132 | |
| 133 float get_sensorVoltage_mV(uint8_t sensor_id) | |
| 134 { | |
| 135 if((sensor_id > 2) || data_old__lost_connection_to_HUD) | |
| 136 return 0; | |
| 137 | |
| 138 return (float)(receiveHUD[boolHUDdata].sensor_voltage_100uV[sensor_id]) / 10.0f; | |
| 139 } | |
| 140 | |
| 141 float get_HUD_battery_voltage_V(void) | |
| 142 { | |
| 143 if(data_old__lost_connection_to_HUD) | |
| 144 return 0; | |
| 145 | |
| 146 return (float)(receiveHUD[boolHUDdata].battery_voltage_mV) / 1000.0f; | |
| 147 } | |
| 148 | |
| 149 | |
| 563 | 150 void test_O2_sensor_values_outOfBounds(int8_t * outOfBouds1, int8_t * outOfBouds2, int8_t * outOfBouds3) |
| 38 | 151 { |
| 152 uint8_t sensorNotActiveBinary; | |
| 153 uint8_t sensorActive[3]; | |
| 634 | 154 sensorTrustState_t sensorState[3]; |
| 155 uint8_t index; | |
| 156 | |
| 38 | 157 |
| 158 // test1: user deactivation | |
| 159 sensorNotActiveBinary = stateUsed->diveSettings.ppo2sensors_deactivated; | |
| 160 | |
| 161 for(int i=0;i<3;i++) | |
| 162 sensorActive[i] = 1; | |
| 163 | |
| 164 if(sensorNotActiveBinary) | |
| 165 { | |
| 166 if(sensorNotActiveBinary & 1) | |
| 167 sensorActive[0] = 0; | |
| 168 | |
| 169 if(sensorNotActiveBinary & 2) | |
| 170 sensorActive[1] = 0; | |
| 171 | |
| 172 if(sensorNotActiveBinary & 4) | |
| 173 sensorActive[2] = 0; | |
| 174 } | |
| 175 | |
| 176 // test2: mV of remaining sensors | |
| 744 | 177 for(index=0; index<3; index++) |
| 38 | 178 { |
| 744 | 179 sensorState[index] = sensorOK; |
| 634 | 180 |
| 744 | 181 if(sensorActive[index]) |
| 38 | 182 { |
| 744 | 183 if(((stateUsed->lifeData.extIf_sensor_map[index] == SENSOR_DIGO2) && (((SSensorDataDiveO2*)(stateUsed->lifeData.extIf_sensor_data))->status & DVO2_FATAL_ERROR)) |
| 184 || ((stateUsed->lifeData.sensorVoltage_mV[index] < MIN_SENSOR_VOLTAGE_MV) || (stateUsed->lifeData.sensorVoltage_mV[index] > MAX_SENSOR_VOLTAGE_MV))) | |
| 185 { | |
| 186 sensorActive[index] = 0; | |
| 187 switch(index) | |
| 188 { | |
| 189 case 0: | |
| 190 sensorNotActiveBinary |= 1; | |
| 191 break; | |
| 192 case 1: | |
| 193 sensorNotActiveBinary |= 2; | |
| 194 break; | |
| 195 case 2: | |
| 196 sensorNotActiveBinary |= 4; | |
| 197 break; | |
| 198 } | |
| 199 } | |
| 38 | 200 } |
| 201 } | |
| 202 | |
| 203 *outOfBouds1 = 0; | |
| 204 *outOfBouds2 = 0; | |
| 205 *outOfBouds3 = 0; | |
| 206 | |
| 207 /* with two, one or no sensor, there is nothing to compare anymore | |
| 208 */ | |
| 209 if(sensorNotActiveBinary) | |
| 210 { | |
| 211 // set outOfBounds for both tests | |
| 212 if(!sensorActive[0]) | |
| 213 *outOfBouds1 = 1; | |
| 214 | |
| 215 if(!sensorActive[1]) | |
| 216 *outOfBouds2 = 1; | |
| 217 | |
| 218 if(!sensorActive[2]) | |
| 219 *outOfBouds3 = 1; | |
| 220 } | |
| 221 else | |
| 222 { | |
| 634 | 223 /* Check two or more of Three */ |
| 224 /* 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 */ | |
| 225 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[0] - stateUsed->lifeData.ppO2Sensor_bar[1]) > MAX_SENSOR_COMPARE_DEVIATION) | |
| 38 | 226 { |
| 634 | 227 sensorState[0]++; |
| 228 sensorState[1]++; | |
| 38 | 229 } |
| 634 | 230 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[0] - stateUsed->lifeData.ppO2Sensor_bar[2]) > MAX_SENSOR_COMPARE_DEVIATION) |
| 38 | 231 { |
| 634 | 232 sensorState[0]++; |
| 233 sensorState[2]++; | |
| 234 } | |
| 235 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[1] - stateUsed->lifeData.ppO2Sensor_bar[2]) > MAX_SENSOR_COMPARE_DEVIATION) | |
| 236 { | |
| 237 sensorState[1]++; | |
| 238 sensorState[2]++; | |
| 38 | 239 } |
| 634 | 240 for(index = 0; index < 3; index++) |
| 38 | 241 { |
| 634 | 242 if(sensorState[index] == SensorOutOfBounds) |
| 243 { | |
| 244 switch(index) | |
| 245 { | |
| 246 case 0: | |
| 247 *outOfBouds1 = 1; | |
| 248 break; | |
| 249 case 1: | |
| 250 *outOfBouds2 = 1; | |
| 251 break; | |
| 252 case 2: | |
| 253 *outOfBouds3 = 1; | |
| 254 break; | |
| 255 default: | |
| 256 break; | |
| 257 } | |
| 258 } | |
| 38 | 259 } |
| 260 } | |
| 261 } | |
| 262 | |
| 635 | 263 /* this function is called out of the 100ms callback => to be considered for debouncing */ |
| 38 | 264 uint8_t get_ppO2SensorWeightedResult_cbar(void) |
| 265 { | |
| 634 | 266 static uint8_t lastValidValue = 0; |
| 38 | 267 int8_t sensorOutOfBound[3]; |
| 268 uint16_t result = 0; | |
| 269 uint8_t count = 0; | |
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270 uint8_t retVal = 0; |
| 38 | 271 |
| 563 | 272 test_O2_sensor_values_outOfBounds(&sensorOutOfBound[0], &sensorOutOfBound[1], &sensorOutOfBound[2]); |
| 38 | 273 |
| 274 for(int i=0;i<3;i++) | |
| 275 { | |
| 276 if(!sensorOutOfBound[i]) | |
| 277 { | |
| 563 | 278 result += stateUsed->lifeData.ppO2Sensor_bar[i] * 100.0; /* convert centibar used by HUB */ |
| 38 | 279 count++; |
| 280 } | |
| 281 } | |
| 634 | 282 if(count == 0) /* all sensors out of bounds! => return last valid value as workaround till diver takes action */ |
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283 { |
| 635 | 284 if(debounce_warning_fallback(100)) |
| 285 { | |
| 286 set_warning_fallback(); | |
| 287 retVal = tCCR_fallbackToFixedSetpoint(); /* this function only changes setpoint if option is enabled */ | |
| 288 } | |
| 289 if(retVal == 0) | |
| 290 { | |
| 291 retVal = lastValidValue; | |
| 292 } | |
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293 } |
| 38 | 294 else |
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295 { |
| 635 | 296 reset_debounce_warning_fallback(); |
| 297 retVal = (uint8_t)(result / count); | |
| 298 lastValidValue = retVal; | |
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299 } |
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300 return retVal; |
| 38 | 301 } |
| 302 | |
| 303 | |
| 304 void tCCR_init(void) | |
| 305 { | |
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306 uint8_t loop; |
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307 |
| 38 | 308 StartListeningToUART_HUD = 1; |
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309 |
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310 SDiveState* pDiveData = stateRealGetPointerWrite(); |
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311 for(loop=0;loop<(2*NUM_GASES+1);loop++) |
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312 { |
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313 pDiveData->lifeData.bottle_bar_age_MilliSeconds[loop] = BOTTLE_SENSOR_TIMEOUT; |
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314 } |
| 38 | 315 } |
| 316 | |
| 317 | |
| 318 /* after 3 seconds without update from HUD | |
| 319 * data is considered old | |
| 320 */ | |
| 321 void tCCR_tick(void) | |
| 322 { | |
| 655 | 323 SSettings* pSettings = settingsGetPointer(); |
| 324 | |
| 325 if(pSettings->ppo2sensors_source == O2_SENSOR_SOURCE_OPTIC) | |
| 563 | 326 { |
| 327 if(HUDTimeoutCount < 3 * 10) | |
| 328 HUDTimeoutCount++; | |
| 329 else | |
| 330 { | |
| 331 data_old__lost_connection_to_HUD = 1; | |
| 332 if(HUDTimeoutCount < 20 * 10) | |
| 333 HUDTimeoutCount++; | |
| 334 else | |
| 335 tCCR_fallbackToFixedSetpoint(); | |
| 336 } | |
| 337 } | |
| 655 | 338 |
| 339 /* decrease scrubber timer only in real dive mode */ | |
| 710 | 340 if((pSettings->scrubTimerMode != SCRUB_TIMER_OFF) && (isLoopMode(pSettings->dive_mode)) && (stateUsed->mode == MODE_DIVE)) // && (stateUsed == stateRealGetPointer())) |
| 655 | 341 { |
| 342 ScrubberTimeoutCount++; | |
| 343 if(ScrubberTimeoutCount >= 600) /* resolution is minutes */ | |
| 344 { | |
| 345 ScrubberTimeoutCount = 0; | |
| 710 | 346 if(pSettings->scrubberData[pSettings->scubberActiveId].TimerCur > 0) |
| 655 | 347 { |
| 710 | 348 pSettings->scrubberData[pSettings->scubberActiveId].TimerCur--; |
| 655 | 349 } |
| 710 | 350 translateDate(stateUsed->lifeData.dateBinaryFormat, &pSettings->scrubberData[pSettings->scubberActiveId].lastDive); |
| 655 | 351 } |
| 352 } | |
| 38 | 353 } |
| 354 | |
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355 void tCCR_SetRXIndication(void) |
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356 { |
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357 static uint8_t floatingRXCount = 0; |
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358 |
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359 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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360 { |
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361 UartReadyHUD = SET; |
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362 LastReceivedTick_HUD = HAL_GetTick(); |
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363 floatingRXCount = 0; |
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364 } |
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365 else /* follow up of error handling */ |
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366 { |
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367 if(time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_FRAME_BREAK_MS) /* Reception took a while => frame start detected */ |
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368 { |
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369 HAL_UART_Receive_IT(&UartIR_HUD_Handle, &receiveHUDraw[1], 14); /* We have already the first byte => get the missing 14 */ |
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370 } |
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371 else |
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372 { |
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373 if(floatingRXCount++ < HUD_BABBLING_IDIOT) |
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374 { |
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375 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); /* Start polling of incoming bytes */ |
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376 } |
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377 else /* Significant amount of data comming in without break => disable input */ |
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378 { /* by not reactivation HUD RX, no recovery fromthis state */ |
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379 stateUsedWrite->diveSettings.ppo2sensors_deactivated = 0x07; /* Display deactivation */ |
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380 } |
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381 } |
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382 } |
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383 |
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384 } |
| 38 | 385 |
| 386 void tCCR_restart(void) | |
| 387 { | |
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388 HAL_UART_AbortReceive_IT(&UartIR_HUD_Handle); /* Called by the error handler. RX will be restarted by control function */ |
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389 StartListeningToUART_HUD = 1; |
| 38 | 390 } |
| 391 | |
| 392 | |
| 393 void tCCR_control(void) | |
| 394 { | |
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446
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395 uint16_t checksum = 0; |
| 457 | 396 #ifdef ENABLE_BOTTLE_SENSOR |
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446
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397 SDiveState *pLivedata = stateRealGetPointerWrite(); |
| 457 | 398 #endif |
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399 |
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400 if((UartReadyHUD == RESET) && StartListeningToUART_HUD && (time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_START_DELAY_MS)) |
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401 { |
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402 StartListeningToUART_HUD = 0; |
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403 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, HUD_RX_FRAME_LENGTH); |
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404 } |
| 38 | 405 |
| 406 if(UartReadyHUD == SET) | |
| 407 { | |
| 408 UartReadyHUD = RESET; | |
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409 StartListeningToUART_HUD = 1; |
| 38 | 410 |
|
446
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411 /* check if received package is valid */ |
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412 for(int i=0;i<13;i++) |
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413 { |
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414 checksum += receiveHUDraw[i]; |
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415 } |
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416 receiveHUD[!boolHUDdata].checksum = receiveHUDraw[13] + (256 * receiveHUDraw[14]); |
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417 if(checksum == receiveHUD[!boolHUDdata].checksum) |
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418 { |
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419 #ifdef ENABLE_BOTTLE_SENSOR |
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420 if(receiveHUDraw[0] == 0xA5) /* code for pressure sensor */ |
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421 { |
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422 pLivedata->lifeData.bottle_bar[pLivedata->lifeData.actualGas.GasIdInSettings] = receiveHUDraw[10]; |
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423 pLivedata->lifeData.bottle_bar_age_MilliSeconds[pLivedata->lifeData.actualGas.GasIdInSettings] = 0; |
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424 } |
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425 else |
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426 #endif |
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427 /* handle O2 sensor data */ |
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428 { |
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429 memcpy(&receiveHUD[!boolHUDdata], receiveHUDraw, 11); |
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430 receiveHUD[!boolHUDdata].battery_voltage_mV = receiveHUDraw[11] + (256 * receiveHUDraw[12]); |
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431 } |
| 38 | 432 |
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446
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433 boolHUDdata = !boolHUDdata; |
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434 HUDTimeoutCount = 0; |
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435 data_old__lost_connection_to_HUD = 0; |
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436 } |
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437 else |
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438 { |
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439 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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440 { |
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441 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); |
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442 StartListeningToUART_HUD = 0; |
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443 } |
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444 } |
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445 memset(receiveHUDraw,0,sizeof(receiveHUDraw)); |
| 38 | 446 } |
| 447 } | |
| 448 | |
| 449 #endif | |
| 450 /* Private functions ---------------------------------------------------------*/ | |
| 451 | |
| 635 | 452 static uint8_t tCCR_fallbackToFixedSetpoint(void) |
| 38 | 453 { |
| 635 | 454 uint8_t retVal = 0; |
| 662 | 455 uint8_t setpointCbar, actualGasID; |
| 38 | 456 |
| 662 | 457 if((stateUsed->mode == MODE_DIVE) && (stateUsed->diveSettings.CCR_Mode == CCRMODE_Sensors) && (stateUsed->diveSettings.fallbackOption)) |
| 458 { | |
| 459 if(stateUsed->diveSettings.diveMode == DIVEMODE_CCR) | |
| 460 { | |
| 461 setpointCbar = stateUsed->diveSettings.setpoint[1].setpoint_cbar; | |
| 462 stateUsedWrite->diveSettings.CCR_Mode = CCRMODE_FixedSetpoint; | |
| 463 } | |
| 464 else | |
| 465 { | |
| 466 setpointCbar = stateUsed->lifeData.ppo2Simulated_bar * 100; | |
| 467 stateUsedWrite->diveSettings.CCR_Mode = CCRMODE_Simulation; | |
| 468 } | |
| 469 actualGasID = stateUsed->lifeData.actualGas.GasIdInSettings; | |
| 470 setActualGas_DM(&stateUsedWrite->lifeData,actualGasID,setpointCbar); | |
| 38 | 471 |
| 662 | 472 set_warning_fallback(); |
| 473 retVal = setpointCbar; | |
| 38 | 474 } |
| 635 | 475 return retVal; |
| 38 | 476 } |