Mercurial > public > ostc4
annotate Small_CPU/Src/externalInterface.c @ 777:6a8cf91e5b22
This is only showing if one of the compass views is visible. It should make it possible to verify that a correct heading is set as the user can see the compass readout when pushing the button. (mikeller)
author | heinrichsweikamp |
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date | Mon, 22 May 2023 09:14:27 +0200 |
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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Added protocol functions for UART DiveO2 sensor:
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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:
Ideenmodellierer
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diff
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|
406 |
045ff7800501
Added customizable data area for specific sensor data:
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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 { |
045ff7800501
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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) |
045ff7800501
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diff
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|
422 { |
045ff7800501
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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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Added customizable data area for specific sensor data:
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diff
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|
426 { |
045ff7800501
Added customizable data area for specific sensor data:
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|
427 memset(&sensorDataDiveO2,0,sizeof(sensorDataDiveO2)); |
045ff7800501
Added customizable data area for specific sensor data:
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diff
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|
428 } |
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|
429 sensorDataId = dataId; |
045ff7800501
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diff
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|
430 } |
045ff7800501
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|
431 } |
045ff7800501
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diff
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|
432 |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
433 void externalInface_SetSensorMap(uint8_t* pMap) |
d646a0f724a7
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|
434 { |
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|
435 if(pMap != NULL) |
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diff
changeset
|
436 { |
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Added auto detection functionality for sensors connected to the external interface:
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diff
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|
437 memcpy(MasterSensorMap, pMap, 5); /* the map is not directly copied. Copy is done via cmd request */ |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
438 } |
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Added auto detection functionality for sensors connected to the external interface:
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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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714
diff
changeset
|
442 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
443 uint8_t* pret; |
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Added auto detection functionality for sensors connected to the external interface:
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diff
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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:
Ideenmodellierer
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714
diff
changeset
|
446 { |
d646a0f724a7
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diff
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|
447 pret = tmpSensorMap; |
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Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
448 } |
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Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
449 else |
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Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
450 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
451 pret = SensorMap; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
452 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
453 return pret; |
d646a0f724a7
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diff
changeset
|
454 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
455 |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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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
changeset
|
457 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
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; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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parents:
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diff
changeset
|
460 |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
461 if(externalAutoDetect != DETECTION_OFF) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
diff
changeset
|
462 { |
d646a0f724a7
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Ideenmodellierer
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diff
changeset
|
463 switch(externalAutoDetect) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
464 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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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; |
d646a0f724a7
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:
Ideenmodellierer
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714
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:
Ideenmodellierer
parents:
714
diff
changeset
|
497 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
498 if(externalChannel_mV[index] > MIN_ADC_VOLTAGE_MV) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
499 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
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:
Ideenmodellierer
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714
diff
changeset
|
502 else |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
503 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
504 tmpSensorMap[sensorIndex++] = SENSOR_NONE; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
505 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
506 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
507 externalAutoDetect = DETECTION_DIGO2; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
508 externalInterface_SwitchUART(EXT_INTERFACE_UART_O2 >> 8); |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
509 break; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
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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714
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:
714
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:
714
diff
changeset
|
530 } |
742 | 531 externalAutoDetect++; |
532 #ifdef ENABLE_CO2_SUPPORT | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
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 | |
729
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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 */ | |
729
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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; | |
729
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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; | |
729
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609 uint8_t index; |
662 | 610 |
611 switch(Cmd & 0x00FF) /* lower byte is reserved for commands */ | |
612 { | |
729
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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 } | |
729
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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 |