annotate Discovery/Src/tCCR.c @ 655:980b4aa60a0e

Added count down timer for scrubber time: The countdown is performed in case CCR mode and scrubber timer are active
author Ideenmodellierer
date Sun, 25 Apr 2021 20:42:56 +0200
parents 66c8a4ff9fc4
children 1b995079c045
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1 ///////////////////////////////////////////////////////////////////////////////
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2 /// -*- coding: UTF-8 -*-
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3 ///
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4 /// \file Discovery/Src/tCCR.c
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5 /// \brief HUD data via optical port
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6 /// \author Heinrichs Weikamp gmbh
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7 /// \date 18-Dec-2014
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8 ///
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9 /// \details
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10 ///
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11 /// $Id$
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12 ///////////////////////////////////////////////////////////////////////////////
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13 /// \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh
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14 ///
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15 /// This program is free software: you can redistribute it and/or modify
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16 /// it under the terms of the GNU General Public License as published by
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17 /// the Free Software Foundation, either version 3 of the License, or
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18 /// (at your option) any later version.
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19 ///
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20 /// This program is distributed in the hope that it will be useful,
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21 /// but WITHOUT ANY WARRANTY; without even the implied warranty of
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22 /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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23 /// GNU General Public License for more details.
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24 ///
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25 /// You should have received a copy of the GNU General Public License
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26 /// along with this program. If not, see <http://www.gnu.org/licenses/>.
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27 //////////////////////////////////////////////////////////////////////////////
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28
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29 /* Includes ------------------------------------------------------------------*/
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30 #include <string.h>
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31 #include "tCCR.h"
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32 #include "ostc.h"
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33 #include "data_central.h"
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34 #include "data_exchange.h"
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35 #include "check_warning.h"
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36 #include "configuration.h"
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37 #include <math.h>
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38
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39 /* Private types -------------------------------------------------------------*/
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40 typedef struct
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41 {
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42 uint8_t hud_firmwareVersion;
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43 bit8_Type status_byte;
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44 uint16_t sensor_voltage_100uV[3];
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45 uint8_t sensor_ppo2_cbar[3];
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46 uint8_t temp1;
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47 uint16_t battery_voltage_mV;
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48 uint16_t checksum;
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49 } SIrLink;
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50
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51 typedef enum
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52 {
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53 sensorOK = 0,
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54 sensorSuspect,
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55 SensorOutOfBounds
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56 } sensorTrustState_t;
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57
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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 */
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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
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67 #define MAX_SENSOR_COMPARE_DEVIATION (0.15f) /* max deviation between two sensors allowed before their results are rated as suspect */
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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;
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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 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;
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82
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83 /* Private variables with external access via get_xxx() function -------------*/
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84
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85 /* Private function prototypes -----------------------------------------------*/
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86 static uint8_t tCCR_fallbackToFixedSetpoint(void);
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87
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88 #ifndef USART_IR_HUD
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89
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90 void tCCR_init(void)
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91 {
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92 }
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93 void tCCR_control(void)
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94 {
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95 }
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96 void tCCR_test(void)
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97 {
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98 }
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99 void tCCR_restart(void)
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100 {
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101 }
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102 float get_ppO2Sensor_bar(uint8_t sensor_id)
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103 {
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104 }
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105 float get_sensorVoltage_mV(uint8_t sensor_id)
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106 {
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107 }
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108 float get_HUD_battery_voltage_V(void)
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109 {
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110 }
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111 void tCCR_tick(void)
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112 {
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113 }
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114
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115 #else
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116 /* Exported functions --------------------------------------------------------*/
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117
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118 float get_ppO2Sensor_bar(uint8_t sensor_id)
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119 {
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120 if((sensor_id > 2) || data_old__lost_connection_to_HUD)
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121 return 0;
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122
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123 return (float)(receiveHUD[boolHUDdata].sensor_ppo2_cbar[sensor_id]) / 100.0f;
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124 }
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125
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126 float get_sensorVoltage_mV(uint8_t sensor_id)
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127 {
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128 if((sensor_id > 2) || data_old__lost_connection_to_HUD)
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129 return 0;
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130
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131 return (float)(receiveHUD[boolHUDdata].sensor_voltage_100uV[sensor_id]) / 10.0f;
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132 }
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133
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134 float get_HUD_battery_voltage_V(void)
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135 {
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136 if(data_old__lost_connection_to_HUD)
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137 return 0;
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138
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139 return (float)(receiveHUD[boolHUDdata].battery_voltage_mV) / 1000.0f;
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140 }
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141
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142
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143 void test_O2_sensor_values_outOfBounds(int8_t * outOfBouds1, int8_t * outOfBouds2, int8_t * outOfBouds3)
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144 {
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145 uint8_t sensorNotActiveBinary;
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146 uint8_t sensorActive[3];
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147 sensorTrustState_t sensorState[3];
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148 uint8_t index;
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149
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150
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151 // test1: user deactivation
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152 sensorNotActiveBinary = stateUsed->diveSettings.ppo2sensors_deactivated;
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153
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154 for(int i=0;i<3;i++)
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155 sensorActive[i] = 1;
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156
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157 if(sensorNotActiveBinary)
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158 {
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159 if(sensorNotActiveBinary & 1)
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160 sensorActive[0] = 0;
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161
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162 if(sensorNotActiveBinary & 2)
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163 sensorActive[1] = 0;
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164
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165 if(sensorNotActiveBinary & 4)
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166 sensorActive[2] = 0;
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167 }
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168
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169 // test2: mV of remaining sensors
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170 for(int i=0;i<3;i++)
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171 {
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172 sensorState[i] = sensorOK;
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173
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174 if(sensorActive[i])
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175 {
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176 if( (stateUsed->lifeData.sensorVoltage_mV[i] < 8) ||
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177 (stateUsed->lifeData.sensorVoltage_mV[i] > 250))
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178 {
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179 sensorActive[i] = 0;
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180 switch(i)
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181 {
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182 case 0:
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183 sensorNotActiveBinary |= 1;
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184 break;
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185 case 1:
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186 sensorNotActiveBinary |= 2;
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187 break;
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188 case 2:
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189 sensorNotActiveBinary |= 4;
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parents:
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190 break;
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heinrichsweikamp
parents:
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191 }
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heinrichsweikamp
parents:
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192 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
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193 }
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heinrichsweikamp
parents:
diff changeset
194 }
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heinrichsweikamp
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195
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196 *outOfBouds1 = 0;
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197 *outOfBouds2 = 0;
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198 *outOfBouds3 = 0;
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199
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200 /* with two, one or no sensor, there is nothing to compare anymore
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201 */
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202 if(sensorNotActiveBinary)
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203 {
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204 // set outOfBounds for both tests
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205 if(!sensorActive[0])
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206 *outOfBouds1 = 1;
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207
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208 if(!sensorActive[1])
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209 *outOfBouds2 = 1;
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210
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211 if(!sensorActive[2])
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212 *outOfBouds3 = 1;
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213 }
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214 else
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215 {
634
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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216 /* Check two or more of Three */
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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 */
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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218 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[0] - stateUsed->lifeData.ppO2Sensor_bar[1]) > MAX_SENSOR_COMPARE_DEVIATION)
38
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219 {
634
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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220 sensorState[0]++;
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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221 sensorState[1]++;
38
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222 }
634
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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223 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[0] - stateUsed->lifeData.ppO2Sensor_bar[2]) > MAX_SENSOR_COMPARE_DEVIATION)
38
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224 {
634
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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225 sensorState[0]++;
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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226 sensorState[2]++;
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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227 }
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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228 if(fabsf(stateUsed->lifeData.ppO2Sensor_bar[1] - stateUsed->lifeData.ppO2Sensor_bar[2]) > MAX_SENSOR_COMPARE_DEVIATION)
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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229 {
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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230 sensorState[1]++;
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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231 sensorState[2]++;
38
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232 }
634
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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233 for(index = 0; index < 3; index++)
38
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234 {
634
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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235 if(sensorState[index] == SensorOutOfBounds)
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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236 {
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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parents: 582
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237 switch(index)
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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238 {
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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239 case 0:
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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240 *outOfBouds1 = 1;
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
Ideenmodellierer
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241 break;
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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242 case 1:
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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243 *outOfBouds2 = 1;
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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244 break;
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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245 case 2:
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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246 *outOfBouds3 = 1;
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
Ideenmodellierer
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diff changeset
247 break;
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
Ideenmodellierer
parents: 582
diff changeset
248 default:
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
Ideenmodellierer
parents: 582
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249 break;
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
Ideenmodellierer
parents: 582
diff changeset
250 }
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
Ideenmodellierer
parents: 582
diff changeset
251 }
38
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252 }
5f11787b4f42 include in ostc4 repository
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253 }
5f11787b4f42 include in ostc4 repository
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254 }
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255
635
66c8a4ff9fc4 Debounce fallback warning:
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256 /* this function is called out of the 100ms callback => to be considered for debouncing */
38
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257 uint8_t get_ppO2SensorWeightedResult_cbar(void)
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258 {
634
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
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259 static uint8_t lastValidValue = 0;
38
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260 int8_t sensorOutOfBound[3];
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261 uint16_t result = 0;
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262 uint8_t count = 0;
582
64bf41faab83 Show Fallback if no valid sensor value is available:
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parents: 563
diff changeset
263 uint8_t retVal = 0;
38
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264
563
d97f0e395058 Refine o2 sensor diagnostic functions:
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265 test_O2_sensor_values_outOfBounds(&sensorOutOfBound[0], &sensorOutOfBound[1], &sensorOutOfBound[2]);
38
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heinrichsweikamp
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266
5f11787b4f42 include in ostc4 repository
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267 for(int i=0;i<3;i++)
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parents:
diff changeset
268 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
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269 if(!sensorOutOfBound[i])
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diff changeset
270 {
563
d97f0e395058 Refine o2 sensor diagnostic functions:
Ideenmodellierer
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diff changeset
271 result += stateUsed->lifeData.ppO2Sensor_bar[i] * 100.0; /* convert centibar used by HUB */
38
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272 count++;
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diff changeset
273 }
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274 }
634
7c73f066cd16 Enable sensor check for Analog PPO2 mode:
Ideenmodellierer
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diff changeset
275 if(count == 0) /* all sensors out of bounds! => return last valid value as workaround till diver takes action */
582
64bf41faab83 Show Fallback if no valid sensor value is available:
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parents: 563
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276 {
635
66c8a4ff9fc4 Debounce fallback warning:
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parents: 634
diff changeset
277 if(debounce_warning_fallback(100))
66c8a4ff9fc4 Debounce fallback warning:
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parents: 634
diff changeset
278 {
66c8a4ff9fc4 Debounce fallback warning:
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diff changeset
279 set_warning_fallback();
66c8a4ff9fc4 Debounce fallback warning:
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280 retVal = tCCR_fallbackToFixedSetpoint(); /* this function only changes setpoint if option is enabled */
66c8a4ff9fc4 Debounce fallback warning:
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diff changeset
281 }
66c8a4ff9fc4 Debounce fallback warning:
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diff changeset
282 if(retVal == 0)
66c8a4ff9fc4 Debounce fallback warning:
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parents: 634
diff changeset
283 {
66c8a4ff9fc4 Debounce fallback warning:
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diff changeset
284 retVal = lastValidValue;
66c8a4ff9fc4 Debounce fallback warning:
Ideenmodellierer
parents: 634
diff changeset
285 }
582
64bf41faab83 Show Fallback if no valid sensor value is available:
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parents: 563
diff changeset
286 }
38
5f11787b4f42 include in ostc4 repository
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diff changeset
287 else
582
64bf41faab83 Show Fallback if no valid sensor value is available:
Ideenmodellierer
parents: 563
diff changeset
288 {
635
66c8a4ff9fc4 Debounce fallback warning:
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diff changeset
289 reset_debounce_warning_fallback();
66c8a4ff9fc4 Debounce fallback warning:
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diff changeset
290 retVal = (uint8_t)(result / count);
66c8a4ff9fc4 Debounce fallback warning:
Ideenmodellierer
parents: 634
diff changeset
291 lastValidValue = retVal;
582
64bf41faab83 Show Fallback if no valid sensor value is available:
Ideenmodellierer
parents: 563
diff changeset
292 }
64bf41faab83 Show Fallback if no valid sensor value is available:
Ideenmodellierer
parents: 563
diff changeset
293 return retVal;
38
5f11787b4f42 include in ostc4 repository
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294 }
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295
5f11787b4f42 include in ostc4 repository
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296
5f11787b4f42 include in ostc4 repository
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297 void tCCR_init(void)
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diff changeset
298 {
449
91a939915bfa Added initialization of bottle sensor data age counter
ideenmodellierer
parents: 446
diff changeset
299 uint8_t loop;
91a939915bfa Added initialization of bottle sensor data age counter
ideenmodellierer
parents: 446
diff changeset
300
38
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301 StartListeningToUART_HUD = 1;
449
91a939915bfa Added initialization of bottle sensor data age counter
ideenmodellierer
parents: 446
diff changeset
302
91a939915bfa Added initialization of bottle sensor data age counter
ideenmodellierer
parents: 446
diff changeset
303 SDiveState* pDiveData = stateRealGetPointerWrite();
91a939915bfa Added initialization of bottle sensor data age counter
ideenmodellierer
parents: 446
diff changeset
304 for(loop=0;loop<(2*NUM_GASES+1);loop++)
91a939915bfa Added initialization of bottle sensor data age counter
ideenmodellierer
parents: 446
diff changeset
305 {
91a939915bfa Added initialization of bottle sensor data age counter
ideenmodellierer
parents: 446
diff changeset
306 pDiveData->lifeData.bottle_bar_age_MilliSeconds[loop] = BOTTLE_SENSOR_TIMEOUT;
91a939915bfa Added initialization of bottle sensor data age counter
ideenmodellierer
parents: 446
diff changeset
307 }
38
5f11787b4f42 include in ostc4 repository
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diff changeset
308 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
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diff changeset
309
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
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diff changeset
310
5f11787b4f42 include in ostc4 repository
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diff changeset
311 /* after 3 seconds without update from HUD
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diff changeset
312 * data is considered old
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313 */
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diff changeset
314 void tCCR_tick(void)
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diff changeset
315 {
655
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
316 SSettings* pSettings = settingsGetPointer();
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
317
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
318 if(pSettings->ppo2sensors_source == O2_SENSOR_SOURCE_OPTIC)
563
d97f0e395058 Refine o2 sensor diagnostic functions:
Ideenmodellierer
parents: 457
diff changeset
319 {
d97f0e395058 Refine o2 sensor diagnostic functions:
Ideenmodellierer
parents: 457
diff changeset
320 if(HUDTimeoutCount < 3 * 10)
d97f0e395058 Refine o2 sensor diagnostic functions:
Ideenmodellierer
parents: 457
diff changeset
321 HUDTimeoutCount++;
d97f0e395058 Refine o2 sensor diagnostic functions:
Ideenmodellierer
parents: 457
diff changeset
322 else
d97f0e395058 Refine o2 sensor diagnostic functions:
Ideenmodellierer
parents: 457
diff changeset
323 {
d97f0e395058 Refine o2 sensor diagnostic functions:
Ideenmodellierer
parents: 457
diff changeset
324 data_old__lost_connection_to_HUD = 1;
d97f0e395058 Refine o2 sensor diagnostic functions:
Ideenmodellierer
parents: 457
diff changeset
325 if(HUDTimeoutCount < 20 * 10)
d97f0e395058 Refine o2 sensor diagnostic functions:
Ideenmodellierer
parents: 457
diff changeset
326 HUDTimeoutCount++;
d97f0e395058 Refine o2 sensor diagnostic functions:
Ideenmodellierer
parents: 457
diff changeset
327 else
d97f0e395058 Refine o2 sensor diagnostic functions:
Ideenmodellierer
parents: 457
diff changeset
328 tCCR_fallbackToFixedSetpoint();
d97f0e395058 Refine o2 sensor diagnostic functions:
Ideenmodellierer
parents: 457
diff changeset
329 }
d97f0e395058 Refine o2 sensor diagnostic functions:
Ideenmodellierer
parents: 457
diff changeset
330 }
655
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
331
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
332 /* decrease scrubber timer only in real dive mode */
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
333 if((pSettings->scrubTimerMode != SCRUB_TIMER_OFF) && (pSettings->dive_mode == DIVEMODE_CCR) && (stateUsed->mode == MODE_DIVE) && (stateUsed == stateRealGetPointer()))
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
334 {
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
335 ScrubberTimeoutCount++;
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
336 if(ScrubberTimeoutCount >= 600) /* resolution is minutes */
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
337 {
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
338 ScrubberTimeoutCount = 0;
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
339 if(pSettings->scrubTimerCur > 0)
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
340 {
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
341 pSettings->scrubTimerCur--;
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
342 }
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
343 }
980b4aa60a0e Added count down timer for scrubber time:
Ideenmodellierer
parents: 635
diff changeset
344 }
38
5f11787b4f42 include in ostc4 repository
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diff changeset
345 }
5f11787b4f42 include in ostc4 repository
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diff changeset
346
322
31e471d60797 Added start of frame detection for HUD data
ideenmodellierer
parents: 272
diff changeset
347 void tCCR_SetRXIndication(void)
31e471d60797 Added start of frame detection for HUD data
ideenmodellierer
parents: 272
diff changeset
348 {
31e471d60797 Added start of frame detection for HUD data
ideenmodellierer
parents: 272
diff changeset
349 static uint8_t floatingRXCount = 0;
31e471d60797 Added start of frame detection for HUD data
ideenmodellierer
parents: 272
diff changeset
350
31e471d60797 Added start of frame detection for HUD data
ideenmodellierer
parents: 272
diff changeset
351 if((UartIR_HUD_Handle.RxXferSize == HUD_RX_FRAME_LENGTH) || (UartIR_HUD_Handle.RxXferSize == HUD_RX_FRAME_LENGTH - 1)) /* we expected a complete frame */
31e471d60797 Added start of frame detection for HUD data
ideenmodellierer
parents: 272
diff changeset
352 {
31e471d60797 Added start of frame detection for HUD data
ideenmodellierer
parents: 272
diff changeset
353 UartReadyHUD = SET;
31e471d60797 Added start of frame detection for HUD data
ideenmodellierer
parents: 272
diff changeset
354 LastReceivedTick_HUD = HAL_GetTick();
31e471d60797 Added start of frame detection for HUD data
ideenmodellierer
parents: 272
diff changeset
355 floatingRXCount = 0;
31e471d60797 Added start of frame detection for HUD data
ideenmodellierer
parents: 272
diff changeset
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 }
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377
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378 void tCCR_restart(void)
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379 {
322
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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;
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382 }
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383
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384
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385 void tCCR_control(void)
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386 {
446
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387 uint16_t checksum = 0;
457
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388 #ifdef ENABLE_BOTTLE_SENSOR
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389 SDiveState *pLivedata = stateRealGetPointerWrite();
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390 #endif
322
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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 }
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397
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398 if(UartReadyHUD == SET)
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399 {
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400 UartReadyHUD = RESET;
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401 StartListeningToUART_HUD = 1;
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402
446
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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 }
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424
446
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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));
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438 }
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439 }
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440
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441 #endif
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442 /* Private functions ---------------------------------------------------------*/
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443
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444 static uint8_t tCCR_fallbackToFixedSetpoint(void)
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445 {
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446 uint8_t retVal = 0;
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447 if((stateUsed->mode == MODE_DIVE) && (stateUsed->diveSettings.diveMode == DIVEMODE_CCR) && (stateUsed->diveSettings.CCR_Mode == CCRMODE_Sensors) && (stateUsed->diveSettings.fallbackOption))
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448 {
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449 uint8_t setpointCbar, actualGasID;
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450
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451 setpointCbar = stateUsed->diveSettings.setpoint[1].setpoint_cbar;
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452 stateUsedWrite->diveSettings.CCR_Mode = CCRMODE_FixedSetpoint;
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453
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454 actualGasID = stateUsed->lifeData.actualGas.GasIdInSettings;
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455 setActualGas_DM(&stateUsedWrite->lifeData,actualGasID,setpointCbar);
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456
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457 set_warning_fallback();
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458 retVal = stateUsed->diveSettings.setpoint[1].setpoint_cbar;
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459 }
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460 return retVal;
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461 }