Mercurial > public > ostc4
annotate Small_CPU/Src/externalInterface.c @ 757:39ff186b6f98
Dev Bugfix: ignore analog out of bounds limits for DiveO2 sensor:
The DiveO2 sensor provides a status information which may be used to identify if the value is valid or not. The sensor does not provide a voltage => to have a value for the voltage the value of the ppo2 is taken (equals calibration coeff of 1). For the analog out of bounds detection this value is too high and the DiveO2 is marked as out of bounds. To avoid this problem DiveO2 sensors are now excluded from the analog out of bounds detection.
author | Ideenmodellierer |
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date | Tue, 07 Mar 2023 22:14:20 +0100 |
parents | 4a28402e4aca |
children | 0b5f45448eb6 |
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 sensorDataId = 0; |
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71 static SSensorDataDiveO2 sensorDataDiveO2; |
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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): |
746 | 334 if((externalAutoDetect <= DETECTION_START) || ((protocol == EXT_INTERFACE_UART_O2 >> 8) && (externalAutoDetect == DETECTION_DIGO2)) |
335 #ifdef ENABLE_CO2_SUPPORT | |
336 || ((protocol == EXT_INTERFACE_UART_CO2 >> 8) && (externalAutoDetect == DETECTION_CO2)) | |
337 #endif | |
338 #ifdef ENABLE_SENTINEL_MODE | |
339 || ((protocol == EXT_INTERFACE_UART_SENTINEL >> 8) && (externalAutoDetect == DETECTION_SENTINEL)) | |
340 #endif | |
341 ) | |
729
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342 { |
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343 sensorDataId = 0; |
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344 externalUART_Protocol = protocol; |
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345 MX_USART1_UART_DeInit(); |
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346 if( protocol != 0) |
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347 { |
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348 MX_USART1_UART_Init(); |
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349 } |
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350 } |
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351 break; |
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352 default: |
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353 break; |
704
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354 } |
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355 } |
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356 |
662 | 357 void externalInterface_SetCO2Value(uint16_t CO2_ppm) |
358 { | |
747
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359 float local_ppm = CO2_ppm * 10.0; /* scalfactor */ |
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360 |
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361 #ifndef ENABLE_EXTERNAL_PRESSURE |
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362 float local_corr = 0.0; |
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363 |
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364 if (local_ppm >= LOOKUP_CO2_CORR_TABLE_MAX) |
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365 { |
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366 local_corr = -0.0014; |
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367 } |
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368 else |
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369 { |
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370 local_corr = LookupCO2PressureCorrection[((uint16_t) (local_ppm / LOOKUP_CO2_CORR_TABLE_SCALE))]; |
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371 } |
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372 local_ppm = local_ppm / (1.0 + (local_corr * (get_surface_mbar() - get_pressure_mbar()))); |
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373 #else |
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374 /* The external pressure value is passed via ADC channel2 and calibration is done at firmware => just forward sensor data */ |
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375 /* 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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376 #endif |
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377 externalCO2Value = local_ppm / 10.0; |
662 | 378 } |
379 | |
380 void externalInterface_SetCO2SignalStrength(uint16_t LED_qa) | |
381 { | |
382 externalCO2SignalStrength = LED_qa; | |
383 } | |
384 | |
385 uint16_t externalInterface_GetCO2Value(void) | |
386 { | |
387 return externalCO2Value; | |
388 } | |
389 | |
390 uint16_t externalInterface_GetCO2SignalStrength(void) | |
391 { | |
392 return externalCO2SignalStrength; | |
393 } | |
394 | |
395 | |
396 void externalInterface_SetCO2State(uint16_t state) | |
397 { | |
398 externalCO2Status = state; | |
399 } | |
400 | |
401 uint16_t externalInterface_GetCO2State(void) | |
402 { | |
403 return externalCO2Status; | |
404 } | |
405 | |
714
045ff7800501
Added customizable data area for specific sensor data:
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406 |
045ff7800501
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407 uint8_t externalInterface_GetSensorData(uint8_t* pDataStruct) |
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408 { |
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|
409 |
045ff7800501
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410 if((pDataStruct != NULL) && sensorDataId != 0) |
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411 { |
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412 memcpy(pDataStruct, &sensorDataDiveO2, sizeof(sensorDataDiveO2)); |
045ff7800501
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413 } |
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414 return sensorDataId; |
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|
415 } |
045ff7800501
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diff
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|
416 |
045ff7800501
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417 void externalInterface_SetSensorData(uint8_t dataId, uint8_t* pDataStruct) |
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418 { |
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419 if(pDataStruct != NULL) |
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|
420 { |
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421 if(dataId != 0) |
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|
422 { |
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423 memcpy(&sensorDataDiveO2, pDataStruct, sizeof(sensorDataDiveO2)); |
045ff7800501
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424 } |
045ff7800501
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diff
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|
425 else |
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diff
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|
426 { |
045ff7800501
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|
427 memset(&sensorDataDiveO2,0,sizeof(sensorDataDiveO2)); |
045ff7800501
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|
428 } |
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|
429 sensorDataId = dataId; |
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|
430 } |
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431 } |
045ff7800501
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|
432 |
729
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|
433 void externalInface_SetSensorMap(uint8_t* pMap) |
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|
434 { |
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|
435 if(pMap != NULL) |
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diff
changeset
|
436 { |
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|
437 memcpy(MasterSensorMap, pMap, 5); /* the map is not directly copied. Copy is done via cmd request */ |
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|
438 } |
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diff
changeset
|
439 |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
440 } |
731 | 441 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
changeset
|
442 { |
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|
443 uint8_t* pret; |
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|
444 |
731 | 445 if((externalAutoDetect != DETECTION_OFF) && (!finalMap)) |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
446 { |
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|
447 pret = tmpSensorMap; |
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|
448 } |
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diff
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|
449 else |
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diff
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|
450 { |
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|
451 pret = SensorMap; |
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diff
changeset
|
452 } |
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diff
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|
453 return pret; |
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diff
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|
454 } |
d646a0f724a7
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diff
changeset
|
455 |
d646a0f724a7
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diff
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|
456 void externalInterface_AutodetectSensor() |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
457 { |
d646a0f724a7
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diff
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|
458 static uint8_t sensorIndex = 0; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
459 uint8_t index = 0; |
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diff
changeset
|
460 |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
461 if(externalAutoDetect != DETECTION_OFF) |
d646a0f724a7
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diff
changeset
|
462 { |
d646a0f724a7
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diff
changeset
|
463 switch(externalAutoDetect) |
d646a0f724a7
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diff
changeset
|
464 { |
d646a0f724a7
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diff
changeset
|
465 case DETECTION_INIT: sensorIndex = 0; |
731 | 466 tmpSensorMap[0] = SENSOR_OPTIC; |
467 tmpSensorMap[1] = SENSOR_OPTIC; | |
468 tmpSensorMap[2] = SENSOR_OPTIC; | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
469 tmpSensorMap[3] = SENSOR_NONE; |
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Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
470 tmpSensorMap[4] = SENSOR_NONE; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
471 |
731 | 472 if(externalInterfacePresent) |
473 { | |
474 externalInterface_SwitchPower33(0); | |
475 externalInterface_SwitchUART(0); | |
476 for(index = 0; index < MAX_ADC_CHANNEL; index++) | |
477 { | |
478 externalChannel_mV[index] = 0; | |
479 } | |
480 externalAutoDetect = DETECTION_START; | |
481 } | |
482 else | |
483 { | |
484 externalAutoDetect = DETECTION_DONE; /* without external interface O2 values may only be received via optical port => return default sensor map */ | |
485 } | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
486 break; |
731 | 487 case DETECTION_START: tmpSensorMap[0] = SENSOR_ANALOG; |
488 tmpSensorMap[1] = SENSOR_ANALOG; | |
489 tmpSensorMap[2] = SENSOR_ANALOG; | |
490 externalInterface_SwitchPower33(1); | |
491 externalInterface_SwitchADC(1); | |
492 externalAutoDetect = DETECTION_ANALOG1; | |
493 break; | |
494 case DETECTION_ANALOG1: externalAutoDetect = DETECTION_ANALOG2; /* do a second loop to make sure all adc channels could be processed */ | |
495 break; | |
496 case DETECTION_ANALOG2: for(index = 0; index < MAX_ADC_CHANNEL; index++) | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
497 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
498 if(externalChannel_mV[index] > MIN_ADC_VOLTAGE_MV) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
499 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
500 tmpSensorMap[sensorIndex++] = SENSOR_ANALOG; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
501 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
502 else |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
503 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
504 tmpSensorMap[sensorIndex++] = SENSOR_NONE; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
505 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
506 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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diff
changeset
|
507 externalAutoDetect = DETECTION_DIGO2; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
508 externalInterface_SwitchUART(EXT_INTERFACE_UART_O2 >> 8); |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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parents:
714
diff
changeset
|
509 break; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
510 case DETECTION_DIGO2: if(UART_isDigO2Connected()) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
511 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
512 for(index = 0; index < 3; index++) /* lookup a channel which may be used by digO2 */ |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
513 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
514 if(tmpSensorMap[index] == SENSOR_NONE) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
515 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
516 break; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
517 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
518 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
519 if(index == 3) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
520 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
521 tmpSensorMap[2] = SENSOR_DIGO2; /* digital sensor overwrites ADC */ |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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diff
changeset
|
522 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
523 else |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
524 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
525 tmpSensorMap[index] = SENSOR_DIGO2; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
526 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
527 |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
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diff
changeset
|
528 UART_setTargetChannel(index); |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
529 /* tmpSensorMap[sensorIndex++] = SENSOR_DIGO2; */ |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
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diff
changeset
|
530 } |
742 | 531 externalAutoDetect++; |
532 #ifdef ENABLE_CO2_SUPPORT | |
729
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533 externalInterface_SwitchUART(EXT_INTERFACE_UART_CO2 >> 8); |
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534 break; |
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535 case DETECTION_CO2: if(UART_isCO2Connected()) |
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536 { |
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537 for(index = 0; index < 3; index++) /* lookup a channel which may be used by CO2*/ |
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538 { |
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539 if(tmpSensorMap[index] == SENSOR_NONE) |
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540 { |
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541 break; |
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542 } |
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543 } |
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544 if(index == 3) |
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545 { |
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546 tmpSensorMap[sensorIndex++] = SENSOR_CO2; /* place Co2 sensor behind O2 sensors (not visible) */ |
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547 } |
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548 else |
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549 { |
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550 tmpSensorMap[index] = SENSOR_CO2; |
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551 } |
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552 |
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553 } |
742 | 554 externalAutoDetect++; |
555 #endif | |
556 #ifdef ENABLE_SENTINEL_MODE | |
557 externalInterface_SwitchUART(EXT_INTERFACE_UART_SENTINEL >> 8); | |
558 UART_StartDMA_Receiption(); | |
559 break; | |
560 | |
561 case DETECTION_SENTINEL: | |
562 case DETECTION_SENTINEL2: | |
563 if(UART_isSentinelConnected()) | |
564 { | |
565 for(index = 0; index < 3; index++) /* Sentinel is occupiing all sensor slots */ | |
566 { | |
567 tmpSensorMap[index] = SENSOR_SENTINEL; | |
568 } | |
569 sensorIndex = 3; | |
570 } | |
571 externalAutoDetect++; | |
572 #endif | |
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573 break; |
731 | 574 case DETECTION_DONE: for(index = 0; index < EXT_INTERFACE_SENSOR_CNT; index++) |
575 { | |
576 if(tmpSensorMap[index] != SENSOR_NONE) | |
577 { | |
578 break; | |
579 } | |
580 } | |
581 | |
582 if(index != EXT_INTERFACE_SENSOR_CNT) /* return default sensor map if no sensor at all has been detected */ | |
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583 { |
731 | 584 while(sensorIndex < EXT_INTERFACE_SENSOR_CNT) |
585 { | |
586 tmpSensorMap[sensorIndex++] = SENSOR_NONE; | |
587 } | |
588 } | |
589 else | |
590 { | |
591 tmpSensorMap[0] = SENSOR_OPTIC; | |
592 tmpSensorMap[1] = SENSOR_OPTIC; | |
593 tmpSensorMap[2] = SENSOR_OPTIC; | |
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594 } |
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595 memcpy(SensorMap, tmpSensorMap, sizeof(tmpSensorMap)); |
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596 externalAutoDetect = DETECTION_OFF; |
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597 break; |
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598 default: |
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599 break; |
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600 } |
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601 } |
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602 } |
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603 |
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604 |
662 | 605 void externalInterface_ExecuteCmd(uint16_t Cmd) |
606 { | |
607 char cmdString[10]; | |
608 uint8_t cmdLength = 0; | |
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609 uint8_t index; |
662 | 610 |
611 switch(Cmd & 0x00FF) /* lower byte is reserved for commands */ | |
612 { | |
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613 case EXT_INTERFACE_AUTODETECT: externalAutoDetect = DETECTION_INIT; |
742 | 614 for(index = 0; index < 3; index++) |
615 { | |
616 SensorMap[index] = SENSOR_SEARCH; | |
617 } | |
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618 break; |
662 | 619 case EXT_INTERFACE_CO2_CALIB: cmdLength = snprintf(cmdString, 10, "G\r\n"); |
620 break; | |
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621 case EXT_INTERFACE_COPY_SENSORMAP: if(externalAutoDetect == DETECTION_OFF) |
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622 { |
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623 memcpy(SensorMap, MasterSensorMap, 5); |
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624 for(index = 0; index < 3; index++) |
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625 { |
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626 if(SensorMap[index] == SENSOR_DIGO2) |
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627 { |
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628 break; |
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629 } |
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630 } |
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631 UART_setTargetChannel(index); /* if no slot for digO2 is found then the function will be called with an invalid parameter causing the overwrite function to fail */ |
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632 } |
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633 break; |
662 | 634 default: |
635 break; | |
636 } | |
637 if(cmdLength != 0) | |
638 { | |
639 HAL_UART_Transmit(&huart1,(uint8_t*)cmdString,cmdLength,10); | |
640 } | |
641 return; | |
642 } | |
643 |