Mercurial > public > ostc4
annotate Small_CPU/Src/externalInterface.c @ 793:9da81033ad44
Bugfix PSCR Settings in Simulator Mode:
The dive settings structure is not filled at the start of a simulated dive. As result changes in the PSCR parameters were used by the simulator unless the OSTC was restarted. To solve this problem the update of the dive settings have to be triggered after a parameter had been changed.
author | Ideenmodellierer |
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date | Thu, 27 Jul 2023 21:52:19 +0200 |
parents | 19ab6f3ed52a |
children | bb37d4f3e50e |
rev | line source |
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1 /** |
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2 ****************************************************************************** |
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3 * @file externalInterface.c |
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4 * @author heinrichs weikamp gmbh |
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5 * @version V0.0.1 |
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6 * @date 07-Nov-2020 |
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7 * @brief Interface functionality to proceed external analog signal via i2c connection |
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8 * |
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9 @verbatim |
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10 ============================================================================== |
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11 ##### stm32f4xx_hal_i2c.c modification ##### |
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12 ============================================================================== |
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13 The LTC2942 requires an repeated start condition without stop condition |
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14 for data reception. |
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15 |
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16 @endverbatim |
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17 ****************************************************************************** |
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18 * @attention |
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19 * |
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20 * <h2><center>© COPYRIGHT(c) 2014 heinrichs weikamp</center></h2> |
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21 * |
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22 ****************************************************************************** |
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23 */ |
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24 /* Includes ------------------------------------------------------------------*/ |
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25 |
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26 #include <math.h> |
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27 #include <string.h> |
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28 #include "i2c.h" |
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29 #include "externalInterface.h" |
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30 #include "scheduler.h" |
662 | 31 #include "uart.h" |
32 #include "data_exchange.h" | |
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33 #include "pressure.h" |
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34 |
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35 extern SGlobal global; |
662 | 36 extern UART_HandleTypeDef huart1; |
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37 |
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38 #define ADC_ANSWER_LENGTH (5u) /* 3424 will provide addr + 4 data bytes */ |
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39 #define ADC_TIMEOUT (10u) /* conversion stuck for unknown reason => restart */ |
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40 #define ADC_REF_VOLTAGE_MV (2048.0f) /* reference voltage of MPC3424*/ |
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41 |
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42 #define ADC_START_CONVERSION (0x80) |
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43 #define ADC_GAIN_4 (0x02) |
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44 #define ADC_GAIN_4_VALUE (4.0f) |
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45 #define ADC_GAIN_8 (0x03) |
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46 #define ADC_GAIN_8_VALUE (8.0f) |
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47 #define ADC_RESOLUTION_16BIT (0x08) |
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48 #define ADC_RESOLUTION_16BIT_VALUE (16u) |
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49 #define ADC_RESOLUTION_18BIT (0x0C) |
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50 #define ADC_RESOLUTION_18BIT_VALUE (18u) |
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51 |
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52 #define ANSWER_CONFBYTE_INDEX (4u) |
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53 |
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54 #define LOOKUP_CO2_CORR_TABLE_SCALE (1000u) |
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55 #define LOOKUP_CO2_CORR_TABLE_MAX (30000u) |
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56 |
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57 static uint8_t activeChannel = 0; /* channel which is in request */ |
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58 static uint8_t recBuf[ADC_ANSWER_LENGTH]; |
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59 static uint8_t timeoutCnt = 0; |
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60 static uint8_t externalInterfacePresent = 0; |
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61 |
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62 float externalChannel_mV[MAX_ADC_CHANNEL]; |
662 | 63 static uint8_t externalV33_On = 0; |
691 | 64 static uint8_t externalADC_On = 0; |
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65 static uint8_t externalUART_Protocol = 0; |
662 | 66 static uint16_t externalCO2Value; |
67 static uint16_t externalCO2SignalStrength; | |
68 static uint16_t externalCO2Status = 0; | |
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69 |
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70 static uint8_t lastSensorDataId = 0; |
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71 static SSensorDataDiveO2 sensorDataDiveO2[MAX_ADC_CHANNEL]; |
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72 static externalInterfaceAutoDetect_t externalAutoDetect = DETECTION_OFF; |
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73 static externalInterfaceSensorType SensorMap[EXT_INTERFACE_SENSOR_CNT] ={ SENSOR_OPTIC, SENSOR_OPTIC, SENSOR_OPTIC, SENSOR_NONE, SENSOR_NONE}; |
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74 static externalInterfaceSensorType tmpSensorMap[EXT_INTERFACE_SENSOR_CNT]; |
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75 static externalInterfaceSensorType MasterSensorMap[EXT_INTERFACE_SENSOR_CNT]; |
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76 |
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77 static float LookupCO2PressureCorrection[LOOKUP_CO2_CORR_TABLE_MAX / LOOKUP_CO2_CORR_TABLE_SCALE]; /* lookup table for pressure compensation values */ |
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78 |
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79 |
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80 void externalInterface_Init(void) |
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81 { |
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82 uint16_t index; |
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83 uint16_t coeff; |
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84 activeChannel = 0; |
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85 timeoutCnt = 0; |
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86 externalInterfacePresent = 0; |
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87 if(externalInterface_StartConversion(activeChannel) == HAL_OK) |
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88 { |
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89 externalInterfacePresent = 1; |
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90 global.deviceDataSendToMaster.hw_Info.extADC = 1; |
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91 } |
559 | 92 global.deviceDataSendToMaster.hw_Info.checkADC = 1; |
662 | 93 |
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94 /* Create a lookup table based on GSS application note AN001: PRESSURE COMPENSATION OF A CO2 SENSOR */ |
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95 /* The main purpose of the sensor in the dive application is to be a warning indicator */ |
753 | 96 /* => no exact values necessary => a lookup table with 1000ppm scaling should be sufficient */ |
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97 LookupCO2PressureCorrection [0] = -0.0014; |
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98 for(index = 1; index < (LOOKUP_CO2_CORR_TABLE_MAX / LOOKUP_CO2_CORR_TABLE_SCALE); index++) |
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99 { |
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100 coeff = index * LOOKUP_CO2_CORR_TABLE_SCALE; |
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101 LookupCO2PressureCorrection[index] = 2.811*pow(10,-38)*pow(coeff,6)- 9.817*pow(10,-32)*pow(coeff,5)+1.304*pow(10,-25)*pow(coeff,4)-8.216*pow(10,-20)*pow(coeff,3)+2.311*pow(10,-14)*pow(coeff,2) - 2.195*pow(10,-9)*coeff - 1.471*pow(10,-3); |
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102 } |
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103 externalInterface_InitDatastruct(); |
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104 } |
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105 |
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106 void externalInterface_InitDatastruct(void) |
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107 { |
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108 uint8_t index = 0; |
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109 /* init data values */ |
662 | 110 externalV33_On = 0; |
111 externalCO2Value = 0; | |
112 externalCO2SignalStrength = 0; | |
113 externalCO2Status = 0; | |
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114 externalAutoDetect = DETECTION_OFF; |
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115 |
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116 for(index = 0; index < MAX_ADC_CHANNEL; index++) |
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117 { |
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118 externalChannel_mV[index] = 0.0; |
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119 } |
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120 } |
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121 |
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122 |
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123 uint8_t externalInterface_StartConversion(uint8_t channel) |
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124 { |
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125 uint8_t retval = 0; |
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126 uint8_t confByte = 0; |
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127 |
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128 if(channel < MAX_ADC_CHANNEL) |
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129 { |
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130 confByte = ADC_START_CONVERSION | ADC_RESOLUTION_16BIT | ADC_GAIN_8; |
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131 confByte |= channel << 5; |
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132 retval = I2C_Master_Transmit(DEVICE_EXTERNAL_ADC, &confByte, 1); |
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133 } |
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134 return retval; |
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135 } |
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136 |
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137 /* Check if conversion is done and trigger measurement of next channel */ |
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138 uint8_t externalInterface_ReadAndSwitch() |
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139 { |
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140 uint8_t retval = EXTERNAL_ADC_NO_DATA; |
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141 uint8_t nextChannel; |
731 | 142 uint8_t* psensorMap = externalInterface_GetSensorMapPointer(0); |
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143 |
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144 if(externalADC_On) |
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145 { |
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146 if(I2C_Master_Receive(DEVICE_EXTERNAL_ADC, recBuf, ADC_ANSWER_LENGTH) == HAL_OK) |
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147 { |
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148 if((recBuf[ANSWER_CONFBYTE_INDEX] & ADC_START_CONVERSION) == 0) /* !ready set => received data contains new value */ |
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149 { |
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150 retval = activeChannel; /* return channel number providing new data */ |
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151 nextChannel = activeChannel + 1; |
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152 if(nextChannel == MAX_ADC_CHANNEL) |
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153 { |
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154 nextChannel = 0; |
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155 } |
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156 |
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157 while((psensorMap[nextChannel] != SENSOR_ANALOG) && (nextChannel != activeChannel)) |
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158 { |
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159 if(nextChannel == MAX_ADC_CHANNEL) |
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160 { |
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161 nextChannel = 0; |
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162 } |
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163 else |
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164 { |
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165 nextChannel++; |
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166 } |
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167 } |
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168 |
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169 activeChannel = nextChannel; |
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170 externalInterface_StartConversion(activeChannel); |
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171 timeoutCnt = 0; |
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172 } |
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173 else |
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174 { |
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175 if(timeoutCnt++ >= ADC_TIMEOUT) |
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176 { |
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177 externalInterface_StartConversion(activeChannel); |
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178 timeoutCnt = 0; |
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179 } |
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180 } |
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181 } |
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182 else /* take also i2c bus disturb into account */ |
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183 { |
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184 if(timeoutCnt++ >= ADC_TIMEOUT) |
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185 { |
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186 externalInterface_StartConversion(activeChannel); |
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187 timeoutCnt = 0; |
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188 } |
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189 } |
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190 } |
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191 return retval; |
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192 } |
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193 float externalInterface_CalculateADCValue(uint8_t channel) |
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194 { |
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195 int32_t rawvalue = 0; |
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196 float retValue = 0.0; |
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197 if(channel < MAX_ADC_CHANNEL) |
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198 { |
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199 |
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200 rawvalue = ((recBuf[0] << 16) | (recBuf[1] << 8) | (recBuf[2])); |
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201 |
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202 switch(recBuf[3] & 0x0C) /* confbyte => Resolution bits*/ |
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203 { |
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204 case ADC_RESOLUTION_16BIT: rawvalue = rawvalue >> 8; /* only 2 databytes received shift out confbyte*/ |
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205 if(rawvalue & (0x1 << (ADC_RESOLUTION_16BIT_VALUE-1))) /* MSB set => negative number */ |
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206 { |
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207 rawvalue |= 0xFFFF0000; /* set MSB for int32 */ |
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208 } |
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209 else |
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210 { |
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211 rawvalue &= 0x0000FFFF; |
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212 } |
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213 externalChannel_mV[channel] = ADC_REF_VOLTAGE_MV * 2.0 / (float) pow(2,ADC_RESOLUTION_16BIT_VALUE); /* calculate bit resolution */ |
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214 break; |
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215 case ADC_RESOLUTION_18BIT: if(rawvalue & (0x1 << (ADC_RESOLUTION_18BIT_VALUE-1))) /* MSB set => negative number */ |
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216 { |
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217 rawvalue |= 0xFFFE0000; /* set MSB for int32 */ |
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218 } |
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219 externalChannel_mV[channel] = ADC_REF_VOLTAGE_MV * 2.0 / (float) pow(2,ADC_RESOLUTION_18BIT_VALUE); /* calculate bit resolution */ |
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220 break; |
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221 default: rawvalue = 0; |
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222 break; |
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223 } |
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224 externalChannel_mV[channel] = externalChannel_mV[channel] * rawvalue / ADC_GAIN_8_VALUE; |
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225 retValue = externalChannel_mV[channel]; |
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226 } |
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227 return retValue; |
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228 } |
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229 float getExternalInterfaceChannel(uint8_t channel) |
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230 { |
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231 float retval = 0; |
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232 |
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233 if(channel < MAX_ADC_CHANNEL) |
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234 { |
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235 retval = externalChannel_mV[channel]; |
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236 } |
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237 return retval; |
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238 } |
662 | 239 |
691 | 240 uint8_t setExternalInterfaceChannel(uint8_t channel, float value) |
241 { | |
242 uint8_t retval = 0; | |
243 | |
244 if(channel < MAX_ADC_CHANNEL) | |
245 { | |
246 externalChannel_mV[channel] = value; | |
247 retval = 1; | |
248 } | |
249 return retval; | |
250 } | |
251 | |
662 | 252 void externalInterface_InitPower33(void) |
253 { | |
254 GPIO_InitTypeDef GPIO_InitStructure; | |
255 | |
256 GPIO_InitStructure.Pin = GPIO_PIN_7; | |
257 GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP; | |
258 GPIO_InitStructure.Pull = GPIO_PULLUP; | |
259 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; | |
260 HAL_GPIO_Init(GPIOC, &GPIO_InitStructure); | |
261 HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_SET); | |
262 } | |
263 | |
264 | |
265 uint8_t externalInterface_isEnabledPower33() | |
266 { | |
267 return externalV33_On; | |
268 } | |
691 | 269 |
270 uint8_t externalInterface_isEnabledADC() | |
271 { | |
272 return externalADC_On; | |
273 } | |
274 | |
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275 uint8_t externalInterface_GetUARTProtocol() |
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276 { |
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277 return externalUART_Protocol; |
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278 } |
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279 |
662 | 280 void externalInterface_SwitchPower33(uint8_t state) |
281 { | |
282 if(state != externalV33_On) | |
283 { | |
284 if(state) | |
285 { | |
286 HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_RESET); | |
287 externalV33_On = 1; | |
288 } | |
289 else | |
290 { | |
731 | 291 if(externalAutoDetect == DETECTION_OFF) |
292 { | |
293 HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_SET); | |
294 externalV33_On = 0; | |
295 externalInterface_SetCO2Value(0); | |
296 externalInterface_SetCO2SignalStrength(0); | |
297 } | |
662 | 298 } |
299 } | |
300 } | |
691 | 301 void externalInterface_SwitchADC(uint8_t state) |
302 { | |
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303 uint8_t loop = 0; |
691 | 304 if((state) && (externalInterfacePresent)) |
305 { | |
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306 if(externalADC_On == 0) |
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307 { |
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308 activeChannel = 0; |
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309 externalInterface_StartConversion(activeChannel); |
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310 externalADC_On = 1; |
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311 } |
691 | 312 } |
313 else | |
314 { | |
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315 if(externalAutoDetect == DETECTION_OFF) /* block deactivation requests if auto detection is active */ |
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316 { |
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317 externalADC_On = 0; |
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318 for(loop = 0; loop < MAX_ADC_CHANNEL; loop++) |
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319 { |
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320 externalChannel_mV[loop] = 0; |
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321 } |
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322 } |
691 | 323 } |
324 } | |
662 | 325 |
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326 void externalInterface_SwitchUART(uint8_t protocol) |
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327 { |
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328 switch(protocol) |
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329 { |
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330 case 0: |
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331 case (EXT_INTERFACE_UART_CO2 >> 8): |
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332 case (EXT_INTERFACE_UART_O2 >> 8): |
742 | 333 case (EXT_INTERFACE_UART_SENTINEL >> 8): |
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334 if((externalAutoDetect <= DETECTION_START) |
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335 || ((protocol == EXT_INTERFACE_UART_O2 >> 8) && (externalAutoDetect == DETECTION_DIGO2_0)) |
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336 || ((protocol == EXT_INTERFACE_UART_O2 >> 8) && (externalAutoDetect == DETECTION_DIGO2_1)) |
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337 || ((protocol == EXT_INTERFACE_UART_O2 >> 8) && (externalAutoDetect == DETECTION_DIGO2_2)) |
781 | 338 || ((protocol == EXT_INTERFACE_UART_O2 >> 8) && (externalAutoDetect == DETECTION_DIGO2_3)) |
779
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339 || ((protocol == EXT_INTERFACE_UART_O2 >> 8) && (externalAutoDetect == DETECTION_UARTMUX)) |
746 | 340 #ifdef ENABLE_CO2_SUPPORT |
341 || ((protocol == EXT_INTERFACE_UART_CO2 >> 8) && (externalAutoDetect == DETECTION_CO2)) | |
342 #endif | |
343 #ifdef ENABLE_SENTINEL_MODE | |
344 || ((protocol == EXT_INTERFACE_UART_SENTINEL >> 8) && (externalAutoDetect == DETECTION_SENTINEL)) | |
345 #endif | |
346 ) | |
729
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347 { |
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348 lastSensorDataId = 0; |
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349 externalUART_Protocol = protocol; |
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350 MX_USART1_UART_DeInit(); |
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351 if( protocol != 0) |
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352 { |
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353 MX_USART1_UART_Init(); |
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354 } |
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355 } |
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356 break; |
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357 default: |
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358 break; |
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359 } |
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360 } |
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361 |
662 | 362 void externalInterface_SetCO2Value(uint16_t CO2_ppm) |
363 { | |
747
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364 float local_ppm = CO2_ppm * 10.0; /* scalfactor */ |
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365 |
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366 #ifndef ENABLE_EXTERNAL_PRESSURE |
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367 float local_corr = 0.0; |
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368 |
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369 if (local_ppm >= LOOKUP_CO2_CORR_TABLE_MAX) |
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370 { |
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371 local_corr = -0.0014; |
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372 } |
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373 else |
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374 { |
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375 local_corr = LookupCO2PressureCorrection[((uint16_t) (local_ppm / LOOKUP_CO2_CORR_TABLE_SCALE))]; |
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Added pressure compensation to CO2 detection:
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376 } |
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377 local_ppm = local_ppm / (1.0 + (local_corr * (get_surface_mbar() - get_pressure_mbar()))); |
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378 #else |
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379 /* The external pressure value is passed via ADC channel2 and calibration is done at firmware => just forward sensor data */ |
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380 /* compensation is done at firmware side. This is for testing only. Take care the the same algorithm is taken as used for the lookup table */ |
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381 #endif |
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382 externalCO2Value = local_ppm / 10.0; |
662 | 383 } |
384 | |
385 void externalInterface_SetCO2SignalStrength(uint16_t LED_qa) | |
386 { | |
387 externalCO2SignalStrength = LED_qa; | |
388 } | |
389 | |
390 uint16_t externalInterface_GetCO2Value(void) | |
391 { | |
392 return externalCO2Value; | |
393 } | |
394 | |
395 uint16_t externalInterface_GetCO2SignalStrength(void) | |
396 { | |
397 return externalCO2SignalStrength; | |
398 } | |
399 | |
400 | |
401 void externalInterface_SetCO2State(uint16_t state) | |
402 { | |
403 externalCO2Status = state; | |
404 } | |
405 | |
406 uint16_t externalInterface_GetCO2State(void) | |
407 { | |
408 return externalCO2Status; | |
409 } | |
410 | |
714
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411 |
779
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412 uint8_t externalInterface_GetSensorData(uint8_t sensorId, uint8_t* pDataStruct) |
714
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413 { |
779
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414 uint8_t localId = sensorId; |
786 | 415 if(localId == 0xFF) |
779
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416 { |
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417 localId = lastSensorDataId; |
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418 } |
714
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|
419 |
786 | 420 if((pDataStruct != NULL) && (localId <= MAX_ADC_CHANNEL)) |
714
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|
421 { |
786 | 422 memcpy(pDataStruct, &sensorDataDiveO2[localId], sizeof(SSensorDataDiveO2)); |
423 } | |
424 else | |
425 { | |
426 localId = 0xFF; | |
714
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|
427 } |
779
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428 return localId; |
714
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|
429 } |
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|
430 |
786 | 431 void externalInterface_SetSensorData(uint8_t sensorId, uint8_t* pDataStruct) |
714
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432 { |
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433 if(pDataStruct != NULL) |
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434 { |
786 | 435 if((sensorId != 0xFF) && (sensorId < MAX_ADC_CHANNEL)) |
714
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|
436 { |
786 | 437 memcpy(&sensorDataDiveO2[sensorId], pDataStruct, sizeof(SSensorDataDiveO2)); |
438 lastSensorDataId = sensorId; | |
714
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|
439 } |
045ff7800501
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diff
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|
440 else |
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Added customizable data area for specific sensor data:
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diff
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|
441 { |
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|
442 memset(&sensorDataDiveO2,0,sizeof(sensorDataDiveO2)); |
786 | 443 lastSensorDataId = 0xFF; |
714
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|
444 } |
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|
445 } |
045ff7800501
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|
446 } |
045ff7800501
Added customizable data area for specific sensor data:
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|
447 |
729
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|
448 void externalInface_SetSensorMap(uint8_t* pMap) |
d646a0f724a7
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|
449 { |
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450 if(pMap != NULL) |
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|
451 { |
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|
452 memcpy(MasterSensorMap, pMap, 5); /* the map is not directly copied. Copy is done via cmd request */ |
d646a0f724a7
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|
453 } |
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diff
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|
454 |
d646a0f724a7
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diff
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|
455 } |
731 | 456 uint8_t* externalInterface_GetSensorMapPointer(uint8_t finalMap) |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
457 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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|
458 uint8_t* pret; |
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|
459 |
731 | 460 if((externalAutoDetect != DETECTION_OFF) && (!finalMap)) |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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|
461 { |
d646a0f724a7
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diff
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|
462 pret = tmpSensorMap; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
463 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
464 else |
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Added auto detection functionality for sensors connected to the external interface:
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diff
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|
465 { |
d646a0f724a7
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|
466 pret = SensorMap; |
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diff
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|
467 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
468 return pret; |
d646a0f724a7
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diff
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|
469 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
470 |
d646a0f724a7
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diff
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|
471 void externalInterface_AutodetectSensor() |
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Added auto detection functionality for sensors connected to the external interface:
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diff
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|
472 { |
781 | 473 static uint8_t tmpMuxMapping[MAX_MUX_CHANNEL]; |
779
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474 static uint8_t sensorIndex = 0; |
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|
475 static uint8_t uartMuxChannel = 0; |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
476 uint8_t index = 0; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
477 |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
478 if(externalAutoDetect != DETECTION_OFF) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
479 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
480 switch(externalAutoDetect) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
481 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
482 case DETECTION_INIT: sensorIndex = 0; |
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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diff
changeset
|
483 uartMuxChannel = 0; |
731 | 484 tmpSensorMap[0] = SENSOR_OPTIC; |
485 tmpSensorMap[1] = SENSOR_OPTIC; | |
486 tmpSensorMap[2] = SENSOR_OPTIC; | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
487 tmpSensorMap[3] = SENSOR_NONE; |
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Added auto detection functionality for sensors connected to the external interface:
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diff
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|
488 tmpSensorMap[4] = SENSOR_NONE; |
d646a0f724a7
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changeset
|
489 |
779
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Added UART multiplexer support for DiveO2:
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diff
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|
490 for(index = 0; index < MAX_ADC_CHANNEL; index++) |
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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diff
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|
491 { |
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diff
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|
492 UART_MapDigO2_Channel(index,index); /* request all addresses */ |
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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493 tmpMuxMapping[index] = 0xff; |
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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diff
changeset
|
494 } |
784 | 495 UART_MapDigO2_Channel(2,3); |
781 | 496 |
731 | 497 if(externalInterfacePresent) |
498 { | |
499 externalInterface_SwitchPower33(0); | |
500 externalInterface_SwitchUART(0); | |
501 for(index = 0; index < MAX_ADC_CHANNEL; index++) | |
502 { | |
503 externalChannel_mV[index] = 0; | |
504 } | |
505 externalAutoDetect = DETECTION_START; | |
506 } | |
507 else | |
508 { | |
509 externalAutoDetect = DETECTION_DONE; /* without external interface O2 values may only be received via optical port => return default sensor map */ | |
510 } | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
511 break; |
731 | 512 case DETECTION_START: tmpSensorMap[0] = SENSOR_ANALOG; |
513 tmpSensorMap[1] = SENSOR_ANALOG; | |
514 tmpSensorMap[2] = SENSOR_ANALOG; | |
515 externalInterface_SwitchPower33(1); | |
516 externalInterface_SwitchADC(1); | |
517 externalAutoDetect = DETECTION_ANALOG1; | |
518 break; | |
519 case DETECTION_ANALOG1: externalAutoDetect = DETECTION_ANALOG2; /* do a second loop to make sure all adc channels could be processed */ | |
520 break; | |
521 case DETECTION_ANALOG2: for(index = 0; index < MAX_ADC_CHANNEL; index++) | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
522 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
523 if(externalChannel_mV[index] > MIN_ADC_VOLTAGE_MV) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
524 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
525 tmpSensorMap[sensorIndex++] = SENSOR_ANALOG; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
526 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
527 else |
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Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
528 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
529 tmpSensorMap[sensorIndex++] = SENSOR_NONE; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
530 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
531 } |
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
parents:
753
diff
changeset
|
532 externalAutoDetect = DETECTION_UARTMUX; |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
533 externalInterface_SwitchUART(EXT_INTERFACE_UART_O2 >> 8); |
781 | 534 UART_SetDigO2_Channel(MAX_MUX_CHANNEL); |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
535 break; |
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
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753
diff
changeset
|
536 case DETECTION_UARTMUX: if(UART_isDigO2Connected()) |
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
parents:
753
diff
changeset
|
537 { |
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
parents:
753
diff
changeset
|
538 uartMuxChannel = 1; |
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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539 } |
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Added UART multiplexer support for DiveO2:
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540 externalAutoDetect = DETECTION_DIGO2_0; |
0b5f45448eb6
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541 externalInterface_SwitchUART(EXT_INTERFACE_UART_O2 >> 8); |
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542 UART_SetDigO2_Channel(0); |
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|
543 |
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|
544 break; |
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|
545 case DETECTION_DIGO2_0: |
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diff
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|
546 case DETECTION_DIGO2_1: |
781 | 547 case DETECTION_DIGO2_2: |
548 case DETECTION_DIGO2_3: | |
549 if(UART_isDigO2Connected()) | |
729
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550 { |
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551 for(index = 0; index < 3; index++) /* lookup a channel which may be used by digO2 */ |
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552 { |
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553 if(tmpSensorMap[index] == SENSOR_NONE) |
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554 { |
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555 break; |
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556 } |
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|
557 } |
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|
558 if(index == 3) |
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diff
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|
559 { |
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|
560 tmpSensorMap[2] = SENSOR_DIGO2; /* digital sensor overwrites ADC */ |
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561 } |
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562 else |
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563 { |
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564 tmpSensorMap[index] = SENSOR_DIGO2; |
781 | 565 tmpMuxMapping[externalAutoDetect - DETECTION_DIGO2_0] = index; |
784 | 566 if(externalAutoDetect == DETECTION_DIGO2_2 ) /* special handling needed because channel is used twice during mux detection */ |
567 { | |
568 UART_MapDigO2_Channel(0xff, externalAutoDetect - DETECTION_DIGO2_0); | |
569 } | |
729
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|
570 } |
781 | 571 } |
572 else | |
573 { | |
574 UART_MapDigO2_Channel(0xff, externalAutoDetect - DETECTION_DIGO2_0); | |
729
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|
575 } |
779
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576 if(uartMuxChannel) |
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|
577 { |
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578 externalInterface_SwitchUART(EXT_INTERFACE_UART_O2 >> 8); |
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579 UART_SetDigO2_Channel(uartMuxChannel); |
784 | 580 if(uartMuxChannel < MAX_ADC_CHANNEL - 1) |
581 { | |
582 uartMuxChannel++; | |
583 } | |
779
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584 } |
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585 else |
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|
586 { |
781 | 587 externalAutoDetect = DETECTION_DIGO2_3; /* skip detection of other serial sensors */ |
779
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588 } |
742 | 589 externalAutoDetect++; |
590 #ifdef ENABLE_CO2_SUPPORT | |
779
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591 if(externalAutoDetect == DETECTION_CO2) |
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|
592 { |
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593 externalInterface_SwitchUART(EXT_INTERFACE_UART_CO2 >> 8); |
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594 } |
729
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595 break; |
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596 case DETECTION_CO2: if(UART_isCO2Connected()) |
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|
597 { |
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|
598 for(index = 0; index < 3; index++) /* lookup a channel which may be used by CO2*/ |
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599 { |
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600 if(tmpSensorMap[index] == SENSOR_NONE) |
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601 { |
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602 break; |
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603 } |
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604 } |
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|
605 if(index == 3) |
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diff
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|
606 { |
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diff
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|
607 tmpSensorMap[sensorIndex++] = SENSOR_CO2; /* place Co2 sensor behind O2 sensors (not visible) */ |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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|
608 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
609 else |
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Added auto detection functionality for sensors connected to the external interface:
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diff
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|
610 { |
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Added auto detection functionality for sensors connected to the external interface:
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|
611 tmpSensorMap[index] = SENSOR_CO2; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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|
612 } |
d646a0f724a7
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613 |
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diff
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|
614 } |
742 | 615 externalAutoDetect++; |
616 #endif | |
617 #ifdef ENABLE_SENTINEL_MODE | |
779
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Added UART multiplexer support for DiveO2:
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diff
changeset
|
618 if(externalAutoDetect == DETECTION_SENTINEL) |
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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diff
changeset
|
619 { |
0b5f45448eb6
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diff
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|
620 externalInterface_SwitchUART(EXT_INTERFACE_UART_SENTINEL >> 8); |
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diff
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|
621 UART_StartDMA_Receiption(); |
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|
622 } |
742 | 623 break; |
624 | |
625 case DETECTION_SENTINEL: | |
626 case DETECTION_SENTINEL2: | |
627 if(UART_isSentinelConnected()) | |
628 { | |
629 for(index = 0; index < 3; index++) /* Sentinel is occupiing all sensor slots */ | |
630 { | |
631 tmpSensorMap[index] = SENSOR_SENTINEL; | |
632 } | |
633 sensorIndex = 3; | |
634 } | |
635 externalAutoDetect++; | |
636 #endif | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
637 break; |
779
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diff
changeset
|
638 case DETECTION_DONE: if(uartMuxChannel) |
731 | 639 { |
779
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|
640 tmpSensorMap[EXT_INTERFACE_SENSOR_CNT-1] = SENSOR_MUX; |
731 | 641 } |
784 | 642 |
781 | 643 for(index = 0; index < MAX_MUX_CHANNEL; index++) |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
644 { |
784 | 645 UART_MapDigO2_Channel(tmpMuxMapping[index], index); |
731 | 646 } |
784 | 647 |
779
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diff
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|
648 externalAutoDetect = DETECTION_OFF; |
0b5f45448eb6
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diff
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|
649 externalInterface_SwitchUART(0); |
786 | 650 |
651 | |
652 for(index = 0; index < MAX_ADC_CHANNEL; index++) | |
653 { | |
654 if(tmpSensorMap[index] == SENSOR_DIGO2) /* set Channel to first valid entry */ | |
655 { | |
656 UART_SetDigO2_Channel(index); | |
657 break; | |
658 } | |
659 } | |
784 | 660 for(index = 0; index < MAX_ADC_CHANNEL; index++) |
661 { | |
662 if(tmpSensorMap[index] != SENSOR_NONE) | |
663 { | |
664 break; | |
665 } | |
666 } | |
667 | |
668 if(index == MAX_ADC_CHANNEL) /* return default sensor map if no sensor at all has been detected */ | |
669 { | |
670 tmpSensorMap[0] = SENSOR_OPTIC; | |
671 tmpSensorMap[1] = SENSOR_OPTIC; | |
672 tmpSensorMap[2] = SENSOR_OPTIC; | |
673 } | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
674 memcpy(SensorMap, tmpSensorMap, sizeof(tmpSensorMap)); |
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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diff
changeset
|
675 |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
676 break; |
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Added auto detection functionality for sensors connected to the external interface:
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diff
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|
677 default: |
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Added auto detection functionality for sensors connected to the external interface:
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714
diff
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|
678 break; |
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Added auto detection functionality for sensors connected to the external interface:
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diff
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|
679 } |
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Added auto detection functionality for sensors connected to the external interface:
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diff
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|
680 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
681 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
682 |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
683 |
662 | 684 void externalInterface_ExecuteCmd(uint16_t Cmd) |
685 { | |
686 char cmdString[10]; | |
687 uint8_t cmdLength = 0; | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
688 uint8_t index; |
662 | 689 |
690 switch(Cmd & 0x00FF) /* lower byte is reserved for commands */ | |
691 { | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
692 case EXT_INTERFACE_AUTODETECT: externalAutoDetect = DETECTION_INIT; |
742 | 693 for(index = 0; index < 3; index++) |
694 { | |
695 SensorMap[index] = SENSOR_SEARCH; | |
696 } | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
697 break; |
662 | 698 case EXT_INTERFACE_CO2_CALIB: cmdLength = snprintf(cmdString, 10, "G\r\n"); |
699 break; | |
729
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Added auto detection functionality for sensors connected to the external interface:
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diff
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|
700 case EXT_INTERFACE_COPY_SENSORMAP: if(externalAutoDetect == DETECTION_OFF) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
701 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
702 memcpy(SensorMap, MasterSensorMap, 5); |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
703 for(index = 0; index < 3; index++) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
704 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
705 if(SensorMap[index] == SENSOR_DIGO2) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
706 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
707 break; |
d646a0f724a7
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diff
changeset
|
708 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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parents:
714
diff
changeset
|
709 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
710 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
711 break; |
662 | 712 default: |
713 break; | |
714 } | |
715 if(cmdLength != 0) | |
716 { | |
717 HAL_UART_Transmit(&huart1,(uint8_t*)cmdString,cmdLength,10); | |
718 } | |
719 return; | |
720 } | |
721 |