Mercurial > public > ostc4
annotate Discovery/Src/tCCR.c @ 641:ed5422ac4ffb
Development Bugfix Deco bars not shown after last deco stop passed:
In previous version the deco bars have only be shown in case a deco stop was pending. With the new implementation the keep being shown till the end of the dive.
author | Ideenmodellierer |
---|---|
date | Thu, 11 Mar 2021 21:45:22 +0100 |
parents | 66c8a4ff9fc4 |
children | 980b4aa60a0e |
rev | line source |
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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 | |
322
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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; |
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78 |
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79 static __IO ITStatus UartReadyHUD = RESET; |
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80 static uint32_t LastReceivedTick_HUD = 0; |
38 | 81 |
82 /* Private variables with external access via get_xxx() function -------------*/ | |
83 | |
84 /* Private function prototypes -----------------------------------------------*/ | |
635 | 85 static uint8_t tCCR_fallbackToFixedSetpoint(void); |
38 | 86 |
87 #ifndef USART_IR_HUD | |
88 | |
89 void tCCR_init(void) | |
90 { | |
91 } | |
92 void tCCR_control(void) | |
93 { | |
94 } | |
95 void tCCR_test(void) | |
96 { | |
97 } | |
98 void tCCR_restart(void) | |
99 { | |
100 } | |
101 float get_ppO2Sensor_bar(uint8_t sensor_id) | |
102 { | |
103 } | |
104 float get_sensorVoltage_mV(uint8_t sensor_id) | |
105 { | |
106 } | |
107 float get_HUD_battery_voltage_V(void) | |
108 { | |
109 } | |
110 void tCCR_tick(void) | |
111 { | |
112 } | |
113 | |
114 #else | |
115 /* Exported functions --------------------------------------------------------*/ | |
116 | |
117 float get_ppO2Sensor_bar(uint8_t sensor_id) | |
118 { | |
119 if((sensor_id > 2) || data_old__lost_connection_to_HUD) | |
120 return 0; | |
121 | |
122 return (float)(receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id]) / 100.0f; | |
123 } | |
124 | |
125 float get_sensorVoltage_mV(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_voltage_100uV[sensor_id]) / 10.0f; | |
131 } | |
132 | |
133 float get_HUD_battery_voltage_V(void) | |
134 { | |
135 if(data_old__lost_connection_to_HUD) | |
136 return 0; | |
137 | |
138 return (float)(receiveHUD[boolHUDdata].battery_voltage_mV) / 1000.0f; | |
139 } | |
140 | |
141 | |
563 | 142 void test_O2_sensor_values_outOfBounds(int8_t * outOfBouds1, int8_t * outOfBouds2, int8_t * outOfBouds3) |
38 | 143 { |
144 uint8_t sensorNotActiveBinary; | |
145 uint8_t sensorActive[3]; | |
634 | 146 sensorTrustState_t sensorState[3]; |
147 uint8_t index; | |
148 | |
38 | 149 |
150 // test1: user deactivation | |
151 sensorNotActiveBinary = stateUsed->diveSettings.ppo2sensors_deactivated; | |
152 | |
153 for(int i=0;i<3;i++) | |
154 sensorActive[i] = 1; | |
155 | |
156 if(sensorNotActiveBinary) | |
157 { | |
158 if(sensorNotActiveBinary & 1) | |
159 sensorActive[0] = 0; | |
160 | |
161 if(sensorNotActiveBinary & 2) | |
162 sensorActive[1] = 0; | |
163 | |
164 if(sensorNotActiveBinary & 4) | |
165 sensorActive[2] = 0; | |
166 } | |
167 | |
168 // test2: mV of remaining sensors | |
169 for(int i=0;i<3;i++) | |
170 { | |
634 | 171 sensorState[i] = sensorOK; |
172 | |
38 | 173 if(sensorActive[i]) |
174 { | |
563 | 175 if( (stateUsed->lifeData.sensorVoltage_mV[i] < 8) || |
176 (stateUsed->lifeData.sensorVoltage_mV[i] > 250)) | |
38 | 177 { |
178 sensorActive[i] = 0; | |
179 switch(i) | |
180 { | |
181 case 0: | |
182 sensorNotActiveBinary |= 1; | |
183 break; | |
184 case 1: | |
185 sensorNotActiveBinary |= 2; | |
186 break; | |
187 case 2: | |
188 sensorNotActiveBinary |= 4; | |
189 break; | |
190 } | |
191 } | |
192 } | |
193 } | |
194 | |
195 *outOfBouds1 = 0; | |
196 *outOfBouds2 = 0; | |
197 *outOfBouds3 = 0; | |
198 | |
199 /* with two, one or no sensor, there is nothing to compare anymore | |
200 */ | |
201 if(sensorNotActiveBinary) | |
202 { | |
203 // set outOfBounds for both tests | |
204 if(!sensorActive[0]) | |
205 *outOfBouds1 = 1; | |
206 | |
207 if(!sensorActive[1]) | |
208 *outOfBouds2 = 1; | |
209 | |
210 if(!sensorActive[2]) | |
211 *outOfBouds3 = 1; | |
212 } | |
213 else | |
214 { | |
634 | 215 /* Check two or more of Three */ |
216 /* 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 */ | |
217 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[0] - stateUsed->lifeData.ppO2Sensor_bar[1]) > MAX_SENSOR_COMPARE_DEVIATION) | |
38 | 218 { |
634 | 219 sensorState[0]++; |
220 sensorState[1]++; | |
38 | 221 } |
634 | 222 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[0] - stateUsed->lifeData.ppO2Sensor_bar[2]) > MAX_SENSOR_COMPARE_DEVIATION) |
38 | 223 { |
634 | 224 sensorState[0]++; |
225 sensorState[2]++; | |
226 } | |
227 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[1] - stateUsed->lifeData.ppO2Sensor_bar[2]) > MAX_SENSOR_COMPARE_DEVIATION) | |
228 { | |
229 sensorState[1]++; | |
230 sensorState[2]++; | |
38 | 231 } |
634 | 232 for(index = 0; index < 3; index++) |
38 | 233 { |
634 | 234 if(sensorState[index] == SensorOutOfBounds) |
235 { | |
236 switch(index) | |
237 { | |
238 case 0: | |
239 *outOfBouds1 = 1; | |
240 break; | |
241 case 1: | |
242 *outOfBouds2 = 1; | |
243 break; | |
244 case 2: | |
245 *outOfBouds3 = 1; | |
246 break; | |
247 default: | |
248 break; | |
249 } | |
250 } | |
38 | 251 } |
252 } | |
253 } | |
254 | |
635 | 255 /* this function is called out of the 100ms callback => to be considered for debouncing */ |
38 | 256 uint8_t get_ppO2SensorWeightedResult_cbar(void) |
257 { | |
634 | 258 static uint8_t lastValidValue = 0; |
38 | 259 int8_t sensorOutOfBound[3]; |
260 uint16_t result = 0; | |
261 uint8_t count = 0; | |
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262 uint8_t retVal = 0; |
38 | 263 |
563 | 264 test_O2_sensor_values_outOfBounds(&sensorOutOfBound[0], &sensorOutOfBound[1], &sensorOutOfBound[2]); |
38 | 265 |
266 for(int i=0;i<3;i++) | |
267 { | |
268 if(!sensorOutOfBound[i]) | |
269 { | |
563 | 270 result += stateUsed->lifeData.ppO2Sensor_bar[i] * 100.0; /* convert centibar used by HUB */ |
38 | 271 count++; |
272 } | |
273 } | |
634 | 274 if(count == 0) /* all sensors out of bounds! => return last valid value as workaround till diver takes action */ |
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275 { |
635 | 276 if(debounce_warning_fallback(100)) |
277 { | |
278 set_warning_fallback(); | |
279 retVal = tCCR_fallbackToFixedSetpoint(); /* this function only changes setpoint if option is enabled */ | |
280 } | |
281 if(retVal == 0) | |
282 { | |
283 retVal = lastValidValue; | |
284 } | |
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285 } |
38 | 286 else |
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287 { |
635 | 288 reset_debounce_warning_fallback(); |
289 retVal = (uint8_t)(result / count); | |
290 lastValidValue = retVal; | |
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291 } |
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292 return retVal; |
38 | 293 } |
294 | |
295 | |
296 void tCCR_init(void) | |
297 { | |
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298 uint8_t loop; |
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299 |
38 | 300 StartListeningToUART_HUD = 1; |
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301 |
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302 SDiveState* pDiveData = stateRealGetPointerWrite(); |
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303 for(loop=0;loop<(2*NUM_GASES+1);loop++) |
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304 { |
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305 pDiveData->lifeData.bottle_bar_age_MilliSeconds[loop] = BOTTLE_SENSOR_TIMEOUT; |
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306 } |
38 | 307 } |
308 | |
309 | |
310 /* after 3 seconds without update from HUD | |
311 * data is considered old | |
312 */ | |
313 void tCCR_tick(void) | |
314 { | |
563 | 315 if(settingsGetPointer()->ppo2sensors_source == O2_SENSOR_SOURCE_OPTIC) |
316 { | |
317 if(HUDTimeoutCount < 3 * 10) | |
318 HUDTimeoutCount++; | |
319 else | |
320 { | |
321 data_old__lost_connection_to_HUD = 1; | |
322 if(HUDTimeoutCount < 20 * 10) | |
323 HUDTimeoutCount++; | |
324 else | |
325 tCCR_fallbackToFixedSetpoint(); | |
326 } | |
327 } | |
38 | 328 } |
329 | |
322
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330 void tCCR_SetRXIndication(void) |
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331 { |
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332 static uint8_t floatingRXCount = 0; |
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333 |
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334 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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335 { |
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336 UartReadyHUD = SET; |
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337 LastReceivedTick_HUD = HAL_GetTick(); |
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338 floatingRXCount = 0; |
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339 } |
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340 else /* follow up of error handling */ |
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341 { |
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342 if(time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_FRAME_BREAK_MS) /* Reception took a while => frame start detected */ |
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343 { |
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344 HAL_UART_Receive_IT(&UartIR_HUD_Handle, &receiveHUDraw[1], 14); /* We have already the first byte => get the missing 14 */ |
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345 } |
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346 else |
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347 { |
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348 if(floatingRXCount++ < HUD_BABBLING_IDIOT) |
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349 { |
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350 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); /* Start polling of incoming bytes */ |
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351 } |
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352 else /* Significant amount of data comming in without break => disable input */ |
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353 { /* by not reactivation HUD RX, no recovery fromthis state */ |
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354 stateUsedWrite->diveSettings.ppo2sensors_deactivated = 0x07; /* Display deactivation */ |
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355 } |
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356 } |
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357 } |
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358 |
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359 } |
38 | 360 |
361 void tCCR_restart(void) | |
362 { | |
322
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363 HAL_UART_AbortReceive_IT(&UartIR_HUD_Handle); /* Called by the error handler. RX will be restarted by control function */ |
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364 StartListeningToUART_HUD = 1; |
38 | 365 } |
366 | |
367 | |
368 void tCCR_control(void) | |
369 { | |
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370 uint16_t checksum = 0; |
457 | 371 #ifdef ENABLE_BOTTLE_SENSOR |
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372 SDiveState *pLivedata = stateRealGetPointerWrite(); |
457 | 373 #endif |
322
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374 |
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375 if((UartReadyHUD == RESET) && StartListeningToUART_HUD && (time_elapsed_ms(LastReceivedTick_HUD, HAL_GetTick()) > HUD_RX_START_DELAY_MS)) |
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376 { |
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377 StartListeningToUART_HUD = 0; |
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378 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, HUD_RX_FRAME_LENGTH); |
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379 } |
38 | 380 |
381 if(UartReadyHUD == SET) | |
382 { | |
383 UartReadyHUD = RESET; | |
322
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384 StartListeningToUART_HUD = 1; |
38 | 385 |
446
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386 /* check if received package is valid */ |
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387 for(int i=0;i<13;i++) |
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388 { |
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389 checksum += receiveHUDraw[i]; |
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390 } |
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391 receiveHUD[!boolHUDdata].checksum = receiveHUDraw[13] + (256 * receiveHUDraw[14]); |
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392 if(checksum == receiveHUD[!boolHUDdata].checksum) |
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393 { |
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394 #ifdef ENABLE_BOTTLE_SENSOR |
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395 if(receiveHUDraw[0] == 0xA5) /* code for pressure sensor */ |
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396 { |
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397 pLivedata->lifeData.bottle_bar[pLivedata->lifeData.actualGas.GasIdInSettings] = receiveHUDraw[10]; |
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398 pLivedata->lifeData.bottle_bar_age_MilliSeconds[pLivedata->lifeData.actualGas.GasIdInSettings] = 0; |
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399 } |
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400 else |
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401 #endif |
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402 /* handle O2 sensor data */ |
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403 { |
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404 memcpy(&receiveHUD[!boolHUDdata], receiveHUDraw, 11); |
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405 receiveHUD[!boolHUDdata].battery_voltage_mV = receiveHUDraw[11] + (256 * receiveHUDraw[12]); |
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406 } |
38 | 407 |
446
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408 boolHUDdata = !boolHUDdata; |
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409 HUDTimeoutCount = 0; |
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410 data_old__lost_connection_to_HUD = 0; |
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411 } |
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412 else |
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413 { |
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414 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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415 { |
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416 HAL_UART_Receive_IT(&UartIR_HUD_Handle, receiveHUDraw, 1); |
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417 StartListeningToUART_HUD = 0; |
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418 } |
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419 } |
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420 memset(receiveHUDraw,0,sizeof(receiveHUDraw)); |
38 | 421 } |
422 } | |
423 | |
424 #endif | |
425 /* Private functions ---------------------------------------------------------*/ | |
426 | |
635 | 427 static uint8_t tCCR_fallbackToFixedSetpoint(void) |
38 | 428 { |
635 | 429 uint8_t retVal = 0; |
38 | 430 if((stateUsed->mode == MODE_DIVE) && (stateUsed->diveSettings.diveMode == DIVEMODE_CCR) && (stateUsed->diveSettings.CCR_Mode == CCRMODE_Sensors) && (stateUsed->diveSettings.fallbackOption)) |
431 { | |
432 uint8_t setpointCbar, actualGasID; | |
433 | |
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434 setpointCbar = stateUsed->diveSettings.setpoint[1].setpoint_cbar; |
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435 stateUsedWrite->diveSettings.CCR_Mode = CCRMODE_FixedSetpoint; |
38 | 436 |
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437 actualGasID = stateUsed->lifeData.actualGas.GasIdInSettings; |
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438 setActualGas_DM(&stateUsedWrite->lifeData,actualGasID,setpointCbar); |
38 | 439 |
440 set_warning_fallback(); | |
635 | 441 retVal = stateUsed->diveSettings.setpoint[1].setpoint_cbar; |
38 | 442 } |
635 | 443 return retVal; |
38 | 444 } |