Mercurial > public > ostc4
annotate Discovery/Src/tCCR.c @ 861:ad96f99ebc78 Evo_2_23
Synchronize ADC and UART activities:
depending on the cable configuration the UART sensor operation may have an impact to the ADC measurement (peaks). To avoid this the ADC measurements are now only started in case no UART communication is pending.
| author | Ideenmodellierer |
|---|---|
| date | Tue, 07 May 2024 21:25:25 +0200 |
| parents | acf6614dc396 |
| children |
| 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 { |
| 797 | 183 if(((stateUsed->lifeData.extIf_sensor_map[index] == SENSOR_DIGO2M) && (((SSensorDataDiveO2*)(stateUsed->lifeData.extIf_sensor_data[index]))->status & DVO2_FATAL_ERROR)) |
| 184 || ((stateUsed->lifeData.extIf_sensor_map[index] != SENSOR_DIGO2M) | |
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185 && (((stateUsed->lifeData.sensorVoltage_mV[index] < MIN_SENSOR_VOLTAGE_MV) || (stateUsed->lifeData.sensorVoltage_mV[index] > MAX_SENSOR_VOLTAGE_MV))))) |
| 744 | 186 { |
| 187 sensorActive[index] = 0; | |
| 188 switch(index) | |
| 189 { | |
| 190 case 0: | |
| 191 sensorNotActiveBinary |= 1; | |
| 192 break; | |
| 193 case 1: | |
| 194 sensorNotActiveBinary |= 2; | |
| 195 break; | |
| 196 case 2: | |
| 197 sensorNotActiveBinary |= 4; | |
| 198 break; | |
| 199 } | |
| 200 } | |
| 38 | 201 } |
| 202 } | |
| 203 | |
| 204 *outOfBouds1 = 0; | |
| 205 *outOfBouds2 = 0; | |
| 206 *outOfBouds3 = 0; | |
| 207 | |
| 208 /* with two, one or no sensor, there is nothing to compare anymore | |
| 209 */ | |
| 210 if(sensorNotActiveBinary) | |
| 211 { | |
| 212 // set outOfBounds for both tests | |
| 213 if(!sensorActive[0]) | |
| 214 *outOfBouds1 = 1; | |
| 215 | |
| 216 if(!sensorActive[1]) | |
| 217 *outOfBouds2 = 1; | |
| 218 | |
| 219 if(!sensorActive[2]) | |
| 220 *outOfBouds3 = 1; | |
| 221 } | |
| 222 else | |
| 223 { | |
| 634 | 224 /* Check two or more of Three */ |
| 225 /* 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 */ | |
| 226 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[0] - stateUsed->lifeData.ppO2Sensor_bar[1]) > MAX_SENSOR_COMPARE_DEVIATION) | |
| 38 | 227 { |
| 634 | 228 sensorState[0]++; |
| 229 sensorState[1]++; | |
| 38 | 230 } |
| 634 | 231 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[0] - stateUsed->lifeData.ppO2Sensor_bar[2]) > MAX_SENSOR_COMPARE_DEVIATION) |
| 38 | 232 { |
| 634 | 233 sensorState[0]++; |
| 234 sensorState[2]++; | |
| 235 } | |
| 236 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[1] - stateUsed->lifeData.ppO2Sensor_bar[2]) > MAX_SENSOR_COMPARE_DEVIATION) | |
| 237 { | |
| 238 sensorState[1]++; | |
| 239 sensorState[2]++; | |
| 38 | 240 } |
| 634 | 241 for(index = 0; index < 3; index++) |
| 38 | 242 { |
| 634 | 243 if(sensorState[index] == SensorOutOfBounds) |
| 244 { | |
| 245 switch(index) | |
| 246 { | |
| 247 case 0: | |
| 248 *outOfBouds1 = 1; | |
| 249 break; | |
| 250 case 1: | |
| 251 *outOfBouds2 = 1; | |
| 252 break; | |
| 253 case 2: | |
| 254 *outOfBouds3 = 1; | |
| 255 break; | |
| 256 default: | |
| 257 break; | |
| 258 } | |
| 259 } | |
| 38 | 260 } |
| 261 } | |
| 262 } | |
| 263 | |
| 635 | 264 /* this function is called out of the 100ms callback => to be considered for debouncing */ |
| 38 | 265 uint8_t get_ppO2SensorWeightedResult_cbar(void) |
| 266 { | |
| 634 | 267 static uint8_t lastValidValue = 0; |
| 38 | 268 int8_t sensorOutOfBound[3]; |
| 269 uint16_t result = 0; | |
| 270 uint8_t count = 0; | |
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271 uint8_t retVal = 0; |
| 38 | 272 |
| 563 | 273 test_O2_sensor_values_outOfBounds(&sensorOutOfBound[0], &sensorOutOfBound[1], &sensorOutOfBound[2]); |
| 38 | 274 |
| 275 for(int i=0;i<3;i++) | |
| 276 { | |
| 277 if(!sensorOutOfBound[i]) | |
| 278 { | |
| 563 | 279 result += stateUsed->lifeData.ppO2Sensor_bar[i] * 100.0; /* convert centibar used by HUB */ |
| 38 | 280 count++; |
| 281 } | |
| 282 } | |
| 634 | 283 if(count == 0) /* all sensors out of bounds! => return last valid value as workaround till diver takes action */ |
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284 { |
| 635 | 285 if(debounce_warning_fallback(100)) |
| 286 { | |
| 287 set_warning_fallback(); | |
| 288 retVal = tCCR_fallbackToFixedSetpoint(); /* this function only changes setpoint if option is enabled */ | |
| 289 } | |
| 290 if(retVal == 0) | |
| 291 { | |
| 292 retVal = lastValidValue; | |
| 293 } | |
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294 } |
| 38 | 295 else |
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296 { |
| 635 | 297 reset_debounce_warning_fallback(); |
| 298 retVal = (uint8_t)(result / count); | |
| 299 lastValidValue = retVal; | |
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300 } |
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301 return retVal; |
| 38 | 302 } |
| 303 | |
| 304 | |
| 305 void tCCR_init(void) | |
| 306 { | |
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307 uint8_t loop; |
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308 |
| 38 | 309 StartListeningToUART_HUD = 1; |
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310 |
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311 SDiveState* pDiveData = stateRealGetPointerWrite(); |
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312 for(loop=0;loop<(2*NUM_GASES+1);loop++) |
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313 { |
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314 pDiveData->lifeData.bottle_bar_age_MilliSeconds[loop] = BOTTLE_SENSOR_TIMEOUT; |
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315 } |
| 38 | 316 } |
| 317 | |
| 318 | |
| 319 /* after 3 seconds without update from HUD | |
| 320 * data is considered old | |
| 321 */ | |
| 322 void tCCR_tick(void) | |
| 323 { | |
| 655 | 324 SSettings* pSettings = settingsGetPointer(); |
| 325 | |
| 326 if(pSettings->ppo2sensors_source == O2_SENSOR_SOURCE_OPTIC) | |
| 563 | 327 { |
| 328 if(HUDTimeoutCount < 3 * 10) | |
| 329 HUDTimeoutCount++; | |
| 330 else | |
| 331 { | |
| 332 data_old__lost_connection_to_HUD = 1; | |
| 333 if(HUDTimeoutCount < 20 * 10) | |
| 334 HUDTimeoutCount++; | |
| 335 else | |
| 336 tCCR_fallbackToFixedSetpoint(); | |
| 337 } | |
| 338 } | |
| 655 | 339 |
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340 /* decrease scrubber timer only in real dive mode, and if we are not bailed out */ |
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341 if((pSettings->scrubTimerMode != SCRUB_TIMER_OFF) && (isLoopMode(pSettings->dive_mode)) && (stateUsed->mode == MODE_DIVE) && isLoopMode(stateUsed->diveSettings.diveMode)) // && (stateUsed == stateRealGetPointer())) |
| 655 | 342 { |
| 343 ScrubberTimeoutCount++; | |
| 344 if(ScrubberTimeoutCount >= 600) /* resolution is minutes */ | |
| 345 { | |
| 346 ScrubberTimeoutCount = 0; | |
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347 if(pSettings->scrubberData[pSettings->scubberActiveId].TimerCur > MIN_SCRUBBER_TIME) |
| 655 | 348 { |
| 710 | 349 pSettings->scrubberData[pSettings->scubberActiveId].TimerCur--; |
| 655 | 350 } |
| 710 | 351 translateDate(stateUsed->lifeData.dateBinaryFormat, &pSettings->scrubberData[pSettings->scubberActiveId].lastDive); |
| 655 | 352 } |
| 353 } | |
| 38 | 354 } |
| 355 | |
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356 void tCCR_SetRXIndication(void) |
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357 { |
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358 static uint8_t floatingRXCount = 0; |
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359 |
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360 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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361 { |
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362 UartReadyHUD = SET; |
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363 LastReceivedTick_HUD = HAL_GetTick(); |
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364 floatingRXCount = 0; |
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365 } |
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366 else /* follow up of error handling */ |
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367 { |
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368 if(time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_FRAME_BREAK_MS) /* Reception took a while => frame start detected */ |
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369 { |
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370 HAL_UART_Receive_IT(&UartIR_HUD_Handle, &receiveHUDraw[1], 14); /* We have already the first byte => get the missing 14 */ |
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371 } |
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372 else |
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373 { |
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374 if(floatingRXCount++ < HUD_BABBLING_IDIOT) |
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375 { |
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376 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); /* Start polling of incoming bytes */ |
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377 } |
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378 else /* Significant amount of data comming in without break => disable input */ |
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379 { /* by not reactivation HUD RX, no recovery fromthis state */ |
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380 stateUsedWrite->diveSettings.ppo2sensors_deactivated = 0x07; /* Display deactivation */ |
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381 } |
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382 } |
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383 } |
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384 |
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385 } |
| 38 | 386 |
| 387 void tCCR_restart(void) | |
| 388 { | |
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389 HAL_UART_AbortReceive_IT(&UartIR_HUD_Handle); /* Called by the error handler. RX will be restarted by control function */ |
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390 StartListeningToUART_HUD = 1; |
| 38 | 391 } |
| 392 | |
| 393 | |
| 394 void tCCR_control(void) | |
| 395 { | |
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446
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396 uint16_t checksum = 0; |
| 457 | 397 #ifdef ENABLE_BOTTLE_SENSOR |
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446
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398 SDiveState *pLivedata = stateRealGetPointerWrite(); |
| 457 | 399 #endif |
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400 |
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401 if((UartReadyHUD == RESET) && StartListeningToUART_HUD && (time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_START_DELAY_MS)) |
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402 { |
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403 StartListeningToUART_HUD = 0; |
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404 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, HUD_RX_FRAME_LENGTH); |
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405 } |
| 38 | 406 |
| 407 if(UartReadyHUD == SET) | |
| 408 { | |
| 409 UartReadyHUD = RESET; | |
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410 StartListeningToUART_HUD = 1; |
| 38 | 411 |
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446
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412 /* check if received package is valid */ |
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413 for(int i=0;i<13;i++) |
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414 { |
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415 checksum += receiveHUDraw[i]; |
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416 } |
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417 receiveHUD[!boolHUDdata].checksum = receiveHUDraw[13] + (256 * receiveHUDraw[14]); |
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418 if(checksum == receiveHUD[!boolHUDdata].checksum) |
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419 { |
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420 #ifdef ENABLE_BOTTLE_SENSOR |
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421 if(receiveHUDraw[0] == 0xA5) /* code for pressure sensor */ |
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422 { |
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423 pLivedata->lifeData.bottle_bar[pLivedata->lifeData.actualGas.GasIdInSettings] = receiveHUDraw[10]; |
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424 pLivedata->lifeData.bottle_bar_age_MilliSeconds[pLivedata->lifeData.actualGas.GasIdInSettings] = 0; |
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425 } |
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426 else |
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427 #endif |
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428 /* handle O2 sensor data */ |
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429 { |
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430 memcpy(&receiveHUD[!boolHUDdata], receiveHUDraw, 11); |
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431 receiveHUD[!boolHUDdata].battery_voltage_mV = receiveHUDraw[11] + (256 * receiveHUDraw[12]); |
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432 } |
| 38 | 433 |
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446
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434 boolHUDdata = !boolHUDdata; |
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435 HUDTimeoutCount = 0; |
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436 data_old__lost_connection_to_HUD = 0; |
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437 } |
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438 else |
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439 { |
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440 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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441 { |
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442 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); |
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443 StartListeningToUART_HUD = 0; |
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444 } |
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445 } |
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446 memset(receiveHUDraw,0,sizeof(receiveHUDraw)); |
| 38 | 447 } |
| 448 } | |
| 449 | |
| 450 #endif | |
| 451 /* Private functions ---------------------------------------------------------*/ | |
| 452 | |
| 635 | 453 static uint8_t tCCR_fallbackToFixedSetpoint(void) |
| 38 | 454 { |
| 635 | 455 uint8_t retVal = 0; |
| 662 | 456 uint8_t setpointCbar, actualGasID; |
| 38 | 457 |
| 662 | 458 if((stateUsed->mode == MODE_DIVE) && (stateUsed->diveSettings.CCR_Mode == CCRMODE_Sensors) && (stateUsed->diveSettings.fallbackOption)) |
| 459 { | |
| 460 if(stateUsed->diveSettings.diveMode == DIVEMODE_CCR) | |
| 461 { | |
| 462 setpointCbar = stateUsed->diveSettings.setpoint[1].setpoint_cbar; | |
| 463 stateUsedWrite->diveSettings.CCR_Mode = CCRMODE_FixedSetpoint; | |
| 464 } | |
| 465 else | |
| 466 { | |
| 467 setpointCbar = stateUsed->lifeData.ppo2Simulated_bar * 100; | |
| 468 stateUsedWrite->diveSettings.CCR_Mode = CCRMODE_Simulation; | |
| 469 } | |
| 470 actualGasID = stateUsed->lifeData.actualGas.GasIdInSettings; | |
| 471 setActualGas_DM(&stateUsedWrite->lifeData,actualGasID,setpointCbar); | |
| 38 | 472 |
| 662 | 473 set_warning_fallback(); |
| 474 retVal = setpointCbar; | |
| 38 | 475 } |
| 635 | 476 return retVal; |
| 38 | 477 } |