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annotate Small_CPU/Src/externalInterface.c @ 801:ff66b41d6fe4
Update RTE version number
author | Ideenmodellierer |
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date | Thu, 10 Aug 2023 21:24:04 +0200 |
parents | e9eba334b942 |
children | 391b3d420a39 |
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> |
794 | 28 #include "data_central.h" |
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29 #include "i2c.h" |
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30 #include "externalInterface.h" |
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31 #include "scheduler.h" |
662 | 32 #include "uart.h" |
33 #include "data_exchange.h" | |
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34 #include "pressure.h" |
794 | 35 #include "uartProtocol_O2.h" |
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36 #include "uartProtocol_Co2.h" |
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37 |
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38 extern SGlobal global; |
662 | 39 extern UART_HandleTypeDef huart1; |
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40 |
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41 #define ADC_ANSWER_LENGTH (5u) /* 3424 will provide addr + 4 data bytes */ |
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42 #define ADC_TIMEOUT (10u) /* conversion stuck for unknown reason => restart */ |
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43 #define ADC_REF_VOLTAGE_MV (2048.0f) /* reference voltage of MPC3424*/ |
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44 |
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45 #define ADC_START_CONVERSION (0x80) |
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46 #define ADC_GAIN_4 (0x02) |
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47 #define ADC_GAIN_4_VALUE (4.0f) |
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48 #define ADC_GAIN_8 (0x03) |
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49 #define ADC_GAIN_8_VALUE (8.0f) |
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50 #define ADC_RESOLUTION_16BIT (0x08) |
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51 #define ADC_RESOLUTION_16BIT_VALUE (16u) |
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52 #define ADC_RESOLUTION_18BIT (0x0C) |
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53 #define ADC_RESOLUTION_18BIT_VALUE (18u) |
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54 |
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55 #define ANSWER_CONFBYTE_INDEX (4u) |
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56 |
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57 #define LOOKUP_CO2_CORR_TABLE_SCALE (1000u) |
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58 #define LOOKUP_CO2_CORR_TABLE_MAX (30000u) |
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59 |
794 | 60 #define REQUEST_INT_SENSOR_MS (1500) /* Minimum time interval for cyclic sensor data requests per sensor (UART mux) */ |
61 #define COMMAND_TX_DELAY (30u) /* The time the sensor needs to recover from a invalid command request */ | |
62 #define TIMEOUT_SENSOR_ANSWER (300) /* Time till a request is repeated if no answer was received */ | |
63 | |
64 #define activeSensorId (activeUartChannel + EXT_INTERFACE_MUX_OFFSET) /* Used if UART channels are applied to Sensor map */ | |
65 | |
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66 static uint8_t activeChannel = 0; /* channel which is in request */ |
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67 static uint8_t recBuf[ADC_ANSWER_LENGTH]; |
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68 static uint8_t timeoutCnt = 0; |
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69 static uint8_t externalInterfacePresent = 0; |
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70 |
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71 float externalChannel_mV[MAX_ADC_CHANNEL]; |
662 | 72 static uint8_t externalV33_On = 0; |
691 | 73 static uint8_t externalADC_On = 0; |
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74 static uint8_t externalUART_Protocol = 0; |
662 | 75 static uint16_t externalCO2Value; |
76 static uint16_t externalCO2SignalStrength; | |
794 | 77 static uint16_t externalCO2Status = 0; |
78 static float externalCO2Scale = 0.0; | |
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79 |
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80 static uint8_t lastSensorDataId = 0; |
794 | 81 static SSensorDataDiveO2 sensorDataDiveO2[EXT_INTERFACE_SENSOR_CNT]; |
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82 static externalInterfaceAutoDetect_t externalAutoDetect = DETECTION_OFF; |
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83 static externalInterfaceSensorType SensorMap[EXT_INTERFACE_SENSOR_CNT] ={ SENSOR_OPTIC, SENSOR_OPTIC, SENSOR_OPTIC, SENSOR_NONE, SENSOR_NONE}; |
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84 static externalInterfaceSensorType tmpSensorMap[EXT_INTERFACE_SENSOR_CNT]; |
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85 static externalInterfaceSensorType MasterSensorMap[EXT_INTERFACE_SENSOR_CNT]; |
794 | 86 static externalInterfaceSensorType foundSensorMap[EXT_INTERFACE_SENSOR_CNT]; |
87 static uint8_t Mux2ADCMap[MAX_ADC_CHANNEL]; | |
88 static uint8_t externalInterface_SensorState[EXT_INTERFACE_SENSOR_CNT]; | |
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89 |
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90 static float LookupCO2PressureCorrection[LOOKUP_CO2_CORR_TABLE_MAX / LOOKUP_CO2_CORR_TABLE_SCALE]; /* lookup table for pressure compensation values */ |
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91 |
794 | 92 static uint16_t externalInterfaceMuxReqIntervall = 0; /* delay between switching from one MUX channel to the next */ |
93 static uint8_t activeUartChannel = 0; /* Index of the sensor port which is selected by the mux or 0 if no mux is connected */ | |
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94 |
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95 void externalInterface_Init(void) |
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96 { |
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97 uint16_t index; |
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98 uint16_t coeff; |
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99 activeChannel = 0; |
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100 timeoutCnt = 0; |
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101 externalInterfacePresent = 0; |
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102 if(externalInterface_StartConversion(activeChannel) == HAL_OK) |
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103 { |
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104 externalInterfacePresent = 1; |
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105 global.deviceDataSendToMaster.hw_Info.extADC = 1; |
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106 } |
559 | 107 global.deviceDataSendToMaster.hw_Info.checkADC = 1; |
662 | 108 |
794 | 109 memset(Mux2ADCMap,0xFF, sizeof(Mux2ADCMap)); |
110 | |
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111 /* Create a lookup table based on GSS application note AN001: PRESSURE COMPENSATION OF A CO2 SENSOR */ |
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112 /* The main purpose of the sensor in the dive application is to be a warning indicator */ |
753 | 113 /* => no exact values necessary => a lookup table with 1000ppm scaling should be sufficient */ |
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114 LookupCO2PressureCorrection [0] = -0.0014; |
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115 for(index = 1; index < (LOOKUP_CO2_CORR_TABLE_MAX / LOOKUP_CO2_CORR_TABLE_SCALE); index++) |
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116 { |
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117 coeff = index * LOOKUP_CO2_CORR_TABLE_SCALE; |
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118 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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119 } |
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120 externalInterface_InitDatastruct(); |
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121 } |
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122 |
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123 void externalInterface_InitDatastruct(void) |
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124 { |
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125 uint8_t index = 0; |
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126 /* init data values */ |
662 | 127 externalV33_On = 0; |
128 externalCO2Value = 0; | |
129 externalCO2SignalStrength = 0; | |
130 externalCO2Status = 0; | |
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131 externalAutoDetect = DETECTION_OFF; |
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132 |
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133 for(index = 0; index < MAX_ADC_CHANNEL; index++) |
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134 { |
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135 externalChannel_mV[index] = 0.0; |
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136 } |
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137 memset(externalInterface_SensorState,UART_COMMON_INIT,sizeof(externalInterface_SensorState)); |
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138 } |
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139 |
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140 |
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141 uint8_t externalInterface_StartConversion(uint8_t channel) |
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142 { |
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143 uint8_t retval = 0; |
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144 uint8_t confByte = 0; |
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145 |
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146 if(channel < MAX_ADC_CHANNEL) |
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147 { |
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148 confByte = ADC_START_CONVERSION | ADC_RESOLUTION_16BIT | ADC_GAIN_8; |
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149 confByte |= channel << 5; |
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150 retval = I2C_Master_Transmit(DEVICE_EXTERNAL_ADC, &confByte, 1); |
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151 } |
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152 return retval; |
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153 } |
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154 |
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155 /* Check if conversion is done and trigger measurement of next channel */ |
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156 uint8_t externalInterface_ReadAndSwitch() |
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157 { |
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158 uint8_t retval = EXTERNAL_ADC_NO_DATA; |
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159 uint8_t nextChannel; |
731 | 160 uint8_t* psensorMap = externalInterface_GetSensorMapPointer(0); |
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161 |
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162 if(externalADC_On) |
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163 { |
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164 if(I2C_Master_Receive(DEVICE_EXTERNAL_ADC, recBuf, ADC_ANSWER_LENGTH) == HAL_OK) |
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165 { |
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166 if((recBuf[ANSWER_CONFBYTE_INDEX] & ADC_START_CONVERSION) == 0) /* !ready set => received data contains new value */ |
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167 { |
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168 retval = activeChannel; /* return channel number providing new data */ |
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169 nextChannel = activeChannel + 1; |
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170 if(nextChannel == MAX_ADC_CHANNEL) |
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171 { |
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172 nextChannel = 0; |
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173 } |
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174 |
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175 while((psensorMap[nextChannel] != SENSOR_ANALOG) && (nextChannel != activeChannel)) |
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176 { |
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177 if(nextChannel == MAX_ADC_CHANNEL) |
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178 { |
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179 nextChannel = 0; |
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180 } |
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181 else |
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182 { |
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183 nextChannel++; |
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184 } |
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185 } |
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186 |
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187 activeChannel = nextChannel; |
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188 externalInterface_StartConversion(activeChannel); |
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189 timeoutCnt = 0; |
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190 } |
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191 else |
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192 { |
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193 if(timeoutCnt++ >= ADC_TIMEOUT) |
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194 { |
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195 externalInterface_StartConversion(activeChannel); |
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196 timeoutCnt = 0; |
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197 } |
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198 } |
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199 } |
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200 else /* take also i2c bus disturb into account */ |
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201 { |
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202 if(timeoutCnt++ >= ADC_TIMEOUT) |
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203 { |
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204 externalInterface_StartConversion(activeChannel); |
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205 timeoutCnt = 0; |
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206 } |
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207 } |
554
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208 } |
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209 return retval; |
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210 } |
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211 float externalInterface_CalculateADCValue(uint8_t channel) |
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212 { |
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213 int32_t rawvalue = 0; |
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214 float retValue = 0.0; |
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215 if(channel < MAX_ADC_CHANNEL) |
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216 { |
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217 |
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218 rawvalue = ((recBuf[0] << 16) | (recBuf[1] << 8) | (recBuf[2])); |
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219 |
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220 switch(recBuf[3] & 0x0C) /* confbyte => Resolution bits*/ |
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221 { |
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222 case ADC_RESOLUTION_16BIT: rawvalue = rawvalue >> 8; /* only 2 databytes received shift out confbyte*/ |
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223 if(rawvalue & (0x1 << (ADC_RESOLUTION_16BIT_VALUE-1))) /* MSB set => negative number */ |
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224 { |
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225 rawvalue |= 0xFFFF0000; /* set MSB for int32 */ |
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226 } |
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227 else |
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228 { |
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229 rawvalue &= 0x0000FFFF; |
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230 } |
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231 externalChannel_mV[channel] = ADC_REF_VOLTAGE_MV * 2.0 / (float) pow(2,ADC_RESOLUTION_16BIT_VALUE); /* calculate bit resolution */ |
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232 break; |
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233 case ADC_RESOLUTION_18BIT: if(rawvalue & (0x1 << (ADC_RESOLUTION_18BIT_VALUE-1))) /* MSB set => negative number */ |
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234 { |
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235 rawvalue |= 0xFFFE0000; /* set MSB for int32 */ |
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236 } |
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237 externalChannel_mV[channel] = ADC_REF_VOLTAGE_MV * 2.0 / (float) pow(2,ADC_RESOLUTION_18BIT_VALUE); /* calculate bit resolution */ |
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238 break; |
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239 default: rawvalue = 0; |
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240 break; |
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241 } |
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242 externalChannel_mV[channel] = externalChannel_mV[channel] * rawvalue / ADC_GAIN_8_VALUE; |
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243 retValue = externalChannel_mV[channel]; |
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244 } |
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245 return retValue; |
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246 } |
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247 float getExternalInterfaceChannel(uint8_t channel) |
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248 { |
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249 float retval = 0; |
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250 |
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251 if(channel < MAX_ADC_CHANNEL) |
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252 { |
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253 retval = externalChannel_mV[channel]; |
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254 } |
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255 return retval; |
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256 } |
662 | 257 |
691 | 258 uint8_t setExternalInterfaceChannel(uint8_t channel, float value) |
259 { | |
260 uint8_t retval = 0; | |
794 | 261 uint8_t localId = channel; |
262 uint8_t index = 0; | |
691 | 263 |
794 | 264 if(localId >= MAX_ADC_CHANNEL) /* at the moment sensor visualization is focused on the three ADC channels => map Mux sensors */ |
691 | 265 { |
794 | 266 for(index = 0; index < MAX_ADC_CHANNEL; index++) |
267 { | |
268 if(Mux2ADCMap[index] == localId) | |
269 { | |
270 localId = index; | |
271 break; | |
272 } | |
273 } | |
274 } | |
275 | |
276 if(localId < MAX_ADC_CHANNEL) | |
277 { | |
278 externalChannel_mV[localId] = value; | |
691 | 279 retval = 1; |
280 } | |
281 return retval; | |
282 } | |
283 | |
662 | 284 void externalInterface_InitPower33(void) |
285 { | |
286 GPIO_InitTypeDef GPIO_InitStructure; | |
287 | |
288 GPIO_InitStructure.Pin = GPIO_PIN_7; | |
289 GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP; | |
290 GPIO_InitStructure.Pull = GPIO_PULLUP; | |
291 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; | |
292 HAL_GPIO_Init(GPIOC, &GPIO_InitStructure); | |
293 HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_SET); | |
294 } | |
295 | |
296 | |
297 uint8_t externalInterface_isEnabledPower33() | |
298 { | |
299 return externalV33_On; | |
300 } | |
691 | 301 |
302 uint8_t externalInterface_isEnabledADC() | |
303 { | |
304 return externalADC_On; | |
305 } | |
306 | |
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307 uint8_t externalInterface_GetUARTProtocol() |
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308 { |
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309 return externalUART_Protocol; |
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310 } |
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311 |
662 | 312 void externalInterface_SwitchPower33(uint8_t state) |
313 { | |
314 if(state != externalV33_On) | |
315 { | |
316 if(state) | |
317 { | |
318 HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_RESET); | |
319 externalV33_On = 1; | |
320 } | |
321 else | |
322 { | |
731 | 323 if(externalAutoDetect == DETECTION_OFF) |
324 { | |
325 HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_SET); | |
326 externalV33_On = 0; | |
327 externalInterface_SetCO2Value(0); | |
328 externalInterface_SetCO2SignalStrength(0); | |
329 } | |
662 | 330 } |
331 } | |
332 } | |
691 | 333 void externalInterface_SwitchADC(uint8_t state) |
334 { | |
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335 uint8_t loop = 0; |
691 | 336 if((state) && (externalInterfacePresent)) |
337 { | |
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338 if(externalADC_On == 0) |
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339 { |
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340 activeChannel = 0; |
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341 externalInterface_StartConversion(activeChannel); |
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342 externalADC_On = 1; |
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343 } |
691 | 344 } |
345 else | |
346 { | |
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347 if(externalAutoDetect == DETECTION_OFF) /* block deactivation requests if auto detection is active */ |
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348 { |
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349 externalADC_On = 0; |
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350 for(loop = 0; loop < MAX_ADC_CHANNEL; loop++) |
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351 { |
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352 externalChannel_mV[loop] = 0; |
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353 } |
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354 } |
691 | 355 } |
356 } | |
662 | 357 |
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358 void externalInterface_SwitchUART(uint8_t protocol) |
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359 { |
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360 switch(protocol) |
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361 { |
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362 case 0: |
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363 case (EXT_INTERFACE_UART_CO2 >> 8): |
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364 case (EXT_INTERFACE_UART_O2 >> 8): |
742 | 365 case (EXT_INTERFACE_UART_SENTINEL >> 8): |
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366 if((externalAutoDetect <= DETECTION_START) |
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367 || ((protocol == EXT_INTERFACE_UART_O2 >> 8) && (externalAutoDetect >= DETECTION_UARTMUX) && (externalAutoDetect <= DETECTION_DIGO2_3)) |
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368 |
746 | 369 #ifdef ENABLE_CO2_SUPPORT |
798
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370 || ((externalAutoDetect >= DETECTION_CO2_0) && (externalAutoDetect <= DETECTION_CO2_3)) |
746 | 371 #endif |
372 #ifdef ENABLE_SENTINEL_MODE | |
373 || ((protocol == EXT_INTERFACE_UART_SENTINEL >> 8) && (externalAutoDetect == DETECTION_SENTINEL)) | |
374 #endif | |
375 ) | |
729
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376 { |
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377 lastSensorDataId = 0; |
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378 externalUART_Protocol = protocol; |
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379 MX_USART1_UART_DeInit(); |
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380 if( protocol != 0) |
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381 { |
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382 MX_USART1_UART_Init(); |
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383 } |
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384 } |
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385 break; |
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386 default: |
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387 break; |
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388 } |
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389 } |
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390 |
794 | 391 uint8_t externalInterface_GetActiveUartSensor() |
392 { | |
393 return activeUartChannel; | |
394 } | |
395 | |
396 void externalInterface_SetSensorState(uint8_t sensorIdx, uint8_t state) | |
397 { | |
398 if(sensorIdx < EXT_INTERFACE_SENSOR_CNT) | |
399 { | |
400 externalInterface_SensorState[sensorIdx] = state; | |
401 } | |
402 } | |
403 | |
404 uint8_t externalInterface_GetSensorState(uint8_t sensorIdx) | |
405 { | |
406 uint8_t ret = COMMON_SENSOR_STATE_INVALID; | |
407 if(sensorIdx < EXT_INTERFACE_SENSOR_CNT) | |
408 { | |
409 ret = externalInterface_SensorState[sensorIdx]; | |
410 } | |
411 return ret; | |
412 } | |
413 | |
414 /* The supported sensors from GSS have different scaling factors depending on their accuracy. The factor may be read out of the sensor */ | |
415 void externalInterface_SetCO2Scale(float CO2Scale) | |
416 { | |
417 if((CO2Scale == 10) || (CO2Scale == 100)) | |
418 { | |
419 externalCO2Scale = CO2Scale; | |
420 } | |
421 } | |
422 float externalInterface_GetCO2Scale() | |
423 { | |
424 return externalCO2Scale; | |
425 } | |
426 | |
662 | 427 void externalInterface_SetCO2Value(uint16_t CO2_ppm) |
428 { | |
794 | 429 float local_ppm = CO2_ppm * externalCO2Scale; |
747
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430 |
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431 #ifndef ENABLE_EXTERNAL_PRESSURE |
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432 float local_corr = 0.0; |
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433 |
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434 if (local_ppm >= LOOKUP_CO2_CORR_TABLE_MAX) |
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435 { |
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436 local_corr = -0.0014; |
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437 } |
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|
438 else |
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|
439 { |
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440 local_corr = LookupCO2PressureCorrection[((uint16_t) (local_ppm / LOOKUP_CO2_CORR_TABLE_SCALE))]; |
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|
441 } |
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442 local_ppm = local_ppm / (1.0 + (local_corr * (get_surface_mbar() - get_pressure_mbar()))); |
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443 #else |
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444 /* The external pressure value is passed via ADC channel2 and calibration is done at firmware => just forward sensor data */ |
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445 /* 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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446 #endif |
794 | 447 externalCO2Value = local_ppm / externalCO2Scale; |
662 | 448 } |
449 | |
450 void externalInterface_SetCO2SignalStrength(uint16_t LED_qa) | |
451 { | |
452 externalCO2SignalStrength = LED_qa; | |
453 } | |
454 | |
455 uint16_t externalInterface_GetCO2Value(void) | |
456 { | |
457 return externalCO2Value; | |
458 } | |
459 | |
460 uint16_t externalInterface_GetCO2SignalStrength(void) | |
461 { | |
462 return externalCO2SignalStrength; | |
463 } | |
464 | |
465 | |
466 void externalInterface_SetCO2State(uint16_t state) | |
467 { | |
468 externalCO2Status = state; | |
469 } | |
470 | |
471 uint16_t externalInterface_GetCO2State(void) | |
472 { | |
473 return externalCO2Status; | |
474 } | |
475 | |
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476 |
779
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477 uint8_t externalInterface_GetSensorData(uint8_t sensorId, uint8_t* pDataStruct) |
714
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478 { |
794 | 479 uint8_t index = 0; |
779
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480 uint8_t localId = sensorId; |
786 | 481 if(localId == 0xFF) |
779
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482 { |
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483 localId = lastSensorDataId; |
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484 } |
714
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485 |
794 | 486 if((pDataStruct != NULL) && (localId <= EXT_INTERFACE_SENSOR_CNT)) |
714
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|
487 { |
786 | 488 memcpy(pDataStruct, &sensorDataDiveO2[localId], sizeof(SSensorDataDiveO2)); |
489 } | |
490 else | |
491 { | |
492 localId = 0xFF; | |
714
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493 } |
794 | 494 if(localId > MAX_ADC_CHANNEL) /* at the moment sensor visualization is focused on the three ADC channels => map Mux sensors */ |
495 { | |
496 for(index = 0; index < MAX_ADC_CHANNEL; index++) | |
497 { | |
498 if(Mux2ADCMap[index] == localId) | |
499 { | |
500 localId = index; | |
501 } | |
502 } | |
503 } | |
504 | |
779
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505 return localId; |
714
045ff7800501
Added customizable data area for specific sensor data:
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506 } |
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507 |
786 | 508 void externalInterface_SetSensorData(uint8_t sensorId, uint8_t* pDataStruct) |
714
045ff7800501
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509 { |
794 | 510 uint8_t index = 0; |
511 | |
714
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|
512 if(pDataStruct != NULL) |
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513 { |
794 | 514 if((sensorId != 0xFF) && (sensorId < EXT_INTERFACE_SENSOR_CNT)) |
714
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Added customizable data area for specific sensor data:
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|
515 { |
786 | 516 memcpy(&sensorDataDiveO2[sensorId], pDataStruct, sizeof(SSensorDataDiveO2)); |
517 lastSensorDataId = sensorId; | |
794 | 518 for(index = 0; index < MAX_MUX_CHANNEL; index++) |
519 { | |
520 if(Mux2ADCMap[index] == sensorId) | |
521 { | |
522 memcpy(&sensorDataDiveO2[index], pDataStruct, sizeof(SSensorDataDiveO2)); | |
523 lastSensorDataId = index; | |
524 break; | |
525 } | |
526 } | |
714
045ff7800501
Added customizable data area for specific sensor data:
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changeset
|
527 } |
045ff7800501
Added customizable data area for specific sensor data:
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diff
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|
528 else |
045ff7800501
Added customizable data area for specific sensor data:
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diff
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|
529 { |
045ff7800501
Added customizable data area for specific sensor data:
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diff
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|
530 memset(&sensorDataDiveO2,0,sizeof(sensorDataDiveO2)); |
786 | 531 lastSensorDataId = 0xFF; |
714
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Added customizable data area for specific sensor data:
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diff
changeset
|
532 } |
045ff7800501
Added customizable data area for specific sensor data:
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diff
changeset
|
533 } |
045ff7800501
Added customizable data area for specific sensor data:
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diff
changeset
|
534 } |
045ff7800501
Added customizable data area for specific sensor data:
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diff
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|
535 |
729
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|
536 void externalInface_SetSensorMap(uint8_t* pMap) |
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diff
changeset
|
537 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
538 if(pMap != NULL) |
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diff
changeset
|
539 { |
794 | 540 memcpy(MasterSensorMap, pMap, EXT_INTERFACE_SENSOR_CNT); /* the map is not directly copied. Copy is done via cmd request */ |
729
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Added auto detection functionality for sensors connected to the external interface:
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diff
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|
541 } |
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Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
542 |
d646a0f724a7
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diff
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|
543 } |
731 | 544 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
|
545 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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|
546 uint8_t* pret; |
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diff
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|
547 |
731 | 548 if((externalAutoDetect != DETECTION_OFF) && (!finalMap)) |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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diff
changeset
|
549 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
550 pret = tmpSensorMap; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
551 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
552 else |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
553 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
554 pret = SensorMap; |
d646a0f724a7
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diff
changeset
|
555 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
556 return pret; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
557 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
558 |
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|
559 void externalInterface_AutodetectSensor() |
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|
560 { |
779
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561 static uint8_t sensorIndex = 0; |
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Added UART multiplexer support for DiveO2:
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562 static uint8_t uartMuxChannel = 0; |
729
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Added auto detection functionality for sensors connected to the external interface:
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diff
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|
563 uint8_t index = 0; |
794 | 564 uint8_t index2 = 0; |
565 uint8_t cntSensor = 0; | |
566 uint8_t cntUARTSensor = 0; | |
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
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diff
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|
567 #ifdef ENABLE_CO2_SUPPORT |
794 | 568 uint8_t cmdString[10]; |
569 uint8_t cmdLength = 0; | |
798
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Migrated CO2 protocol implementation to new format:
Ideenmodellierer
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794
diff
changeset
|
570 #endif |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
571 |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
572 if(externalAutoDetect != DETECTION_OFF) |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
573 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
574 switch(externalAutoDetect) |
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Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
575 { |
794 | 576 case DETECTION_INIT: externalInterfaceMuxReqIntervall = 1100; |
577 sensorIndex = 0; | |
779
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Added UART multiplexer support for DiveO2:
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|
578 uartMuxChannel = 0; |
731 | 579 tmpSensorMap[0] = SENSOR_OPTIC; |
580 tmpSensorMap[1] = SENSOR_OPTIC; | |
581 tmpSensorMap[2] = SENSOR_OPTIC; | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
582 tmpSensorMap[3] = SENSOR_NONE; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
583 tmpSensorMap[4] = SENSOR_NONE; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
584 |
794 | 585 memset(foundSensorMap, SENSOR_NONE, sizeof(foundSensorMap)); |
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
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794
diff
changeset
|
586 memset(externalInterface_SensorState,UART_COMMON_INIT,sizeof(externalInterface_SensorState)); |
794 | 587 memset(Mux2ADCMap,0, sizeof(Mux2ADCMap)); |
781 | 588 |
731 | 589 if(externalInterfacePresent) |
590 { | |
591 externalInterface_SwitchPower33(0); | |
592 externalInterface_SwitchUART(0); | |
593 for(index = 0; index < MAX_ADC_CHANNEL; index++) | |
594 { | |
595 externalChannel_mV[index] = 0; | |
596 } | |
597 externalAutoDetect = DETECTION_START; | |
598 } | |
599 else | |
600 { | |
601 externalAutoDetect = DETECTION_DONE; /* without external interface O2 values may only be received via optical port => return default sensor map */ | |
602 } | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
603 break; |
731 | 604 case DETECTION_START: tmpSensorMap[0] = SENSOR_ANALOG; |
605 tmpSensorMap[1] = SENSOR_ANALOG; | |
606 tmpSensorMap[2] = SENSOR_ANALOG; | |
607 externalInterface_SwitchPower33(1); | |
608 externalInterface_SwitchADC(1); | |
609 externalAutoDetect = DETECTION_ANALOG1; | |
610 break; | |
611 case DETECTION_ANALOG1: externalAutoDetect = DETECTION_ANALOG2; /* do a second loop to make sure all adc channels could be processed */ | |
612 break; | |
613 case DETECTION_ANALOG2: for(index = 0; index < MAX_ADC_CHANNEL; index++) | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
614 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
615 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
|
616 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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|
617 tmpSensorMap[sensorIndex++] = SENSOR_ANALOG; |
794 | 618 foundSensorMap[index] = SENSOR_ANALOG; |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
619 } |
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Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
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|
620 else |
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Added auto detection functionality for sensors connected to the external interface:
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parents:
714
diff
changeset
|
621 { |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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parents:
714
diff
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|
622 tmpSensorMap[sensorIndex++] = SENSOR_NONE; |
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Added auto detection functionality for sensors connected to the external interface:
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parents:
714
diff
changeset
|
623 } |
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Added auto detection functionality for sensors connected to the external interface:
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parents:
714
diff
changeset
|
624 } |
779
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Added UART multiplexer support for DiveO2:
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753
diff
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|
625 externalAutoDetect = DETECTION_UARTMUX; |
729
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Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
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|
626 externalInterface_SwitchUART(EXT_INTERFACE_UART_O2 >> 8); |
794 | 627 UART_MUX_SelectAddress(MAX_MUX_CHANNEL); |
628 uartO2_SetChannel(MAX_MUX_CHANNEL); | |
629 activeUartChannel = MAX_MUX_CHANNEL; | |
630 tmpSensorMap[EXT_INTERFACE_SENSOR_CNT-1] = SENSOR_MUX; | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
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|
631 break; |
794 | 632 case DETECTION_UARTMUX: if(uartO2_isSensorConnected()) |
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
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diff
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|
633 { |
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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diff
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|
634 uartMuxChannel = 1; |
794 | 635 tmpSensorMap[EXT_INTERFACE_SENSOR_CNT-1] = SENSOR_MUX; |
636 foundSensorMap[EXT_INTERFACE_SENSOR_CNT-1] = SENSOR_MUX; | |
637 } | |
638 else | |
639 { | |
640 tmpSensorMap[EXT_INTERFACE_SENSOR_CNT-1] = SENSOR_NONE; | |
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
parents:
753
diff
changeset
|
641 } |
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Added UART multiplexer support for DiveO2:
Ideenmodellierer
parents:
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diff
changeset
|
642 externalAutoDetect = DETECTION_DIGO2_0; |
794 | 643 UART_MUX_SelectAddress(0); |
644 uartO2_SetChannel(0); | |
645 activeUartChannel = 0; | |
646 tmpSensorMap[EXT_INTERFACE_MUX_OFFSET] = SENSOR_DIGO2; | |
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
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diff
changeset
|
647 externalInterface_SensorState[EXT_INTERFACE_MUX_OFFSET] = UART_COMMON_INIT; |
794 | 648 externalInterface_SwitchUART(EXT_INTERFACE_UART_O2 >> 8); |
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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diff
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|
649 break; |
0b5f45448eb6
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diff
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|
650 case DETECTION_DIGO2_0: |
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Added UART multiplexer support for DiveO2:
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diff
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|
651 case DETECTION_DIGO2_1: |
781 | 652 case DETECTION_DIGO2_2: |
653 case DETECTION_DIGO2_3: | |
794 | 654 if(uartO2_isSensorConnected()) |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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714
diff
changeset
|
655 { |
794 | 656 foundSensorMap[externalAutoDetect - DETECTION_DIGO2_0 + EXT_INTERFACE_MUX_OFFSET] = SENSOR_DIGO2; |
781 | 657 } |
794 | 658 |
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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|
659 if(uartMuxChannel) |
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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diff
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|
660 { |
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Added UART multiplexer support for DiveO2:
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|
661 externalInterface_SwitchUART(EXT_INTERFACE_UART_O2 >> 8); |
794 | 662 UART_MUX_SelectAddress(uartMuxChannel); |
798
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Migrated CO2 protocol implementation to new format:
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diff
changeset
|
663 externalInterface_SensorState[uartMuxChannel + EXT_INTERFACE_MUX_OFFSET] = UART_COMMON_INIT; |
794 | 664 uartO2_SetChannel(uartMuxChannel); |
665 activeUartChannel = uartMuxChannel; | |
666 tmpSensorMap[uartMuxChannel - 1 + EXT_INTERFACE_MUX_OFFSET] = SENSOR_NONE; | |
667 tmpSensorMap[uartMuxChannel + EXT_INTERFACE_MUX_OFFSET] = SENSOR_DIGO2; | |
668 | |
669 if(uartMuxChannel < MAX_MUX_CHANNEL - 1) | |
784 | 670 { |
671 uartMuxChannel++; | |
672 } | |
779
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Added UART multiplexer support for DiveO2:
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diff
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|
673 } |
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Added UART multiplexer support for DiveO2:
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diff
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|
674 else |
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Added UART multiplexer support for DiveO2:
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diff
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|
675 { |
781 | 676 externalAutoDetect = DETECTION_DIGO2_3; /* skip detection of other serial sensors */ |
779
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Added UART multiplexer support for DiveO2:
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diff
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|
677 } |
742 | 678 externalAutoDetect++; |
679 #ifdef ENABLE_CO2_SUPPORT | |
798
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Migrated CO2 protocol implementation to new format:
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diff
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|
680 if(externalAutoDetect == DETECTION_CO2_0) |
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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diff
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|
681 { |
798
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diff
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|
682 UART_MUX_SelectAddress(0); |
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794
diff
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|
683 activeUartChannel = 0; |
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Migrated CO2 protocol implementation to new format:
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diff
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|
684 tmpSensorMap[uartMuxChannel - 1 + EXT_INTERFACE_MUX_OFFSET] = SENSOR_NONE; |
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Migrated CO2 protocol implementation to new format:
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diff
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|
685 uartMuxChannel = 1; |
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794
diff
changeset
|
686 tmpSensorMap[EXT_INTERFACE_MUX_OFFSET] = SENSOR_CO2; |
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diff
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|
687 externalInterface_SensorState[EXT_INTERFACE_MUX_OFFSET] = UART_COMMON_INIT; |
779
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Added UART multiplexer support for DiveO2:
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diff
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|
688 externalInterface_SwitchUART(EXT_INTERFACE_UART_CO2 >> 8); |
794 | 689 if(tmpSensorMap[EXT_INTERFACE_SENSOR_CNT-1] == SENSOR_MUX) /* switch sensor operation mode depending on HW config */ |
690 { | |
798
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Migrated CO2 protocol implementation to new format:
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diff
changeset
|
691 uartCo2_SendCmd(CO2CMD_MODE_POLL, cmdString, &cmdLength); |
794 | 692 } |
693 else | |
694 { | |
798
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Ideenmodellierer
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diff
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|
695 uartCo2_SendCmd(CO2CMD_MODE_STREAM, cmdString, &cmdLength); |
794 | 696 } |
779
0b5f45448eb6
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diff
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|
697 } |
729
d646a0f724a7
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diff
changeset
|
698 break; |
798
e9eba334b942
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diff
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|
699 case DETECTION_CO2_0: |
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diff
changeset
|
700 case DETECTION_CO2_1: |
e9eba334b942
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diff
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|
701 case DETECTION_CO2_2: |
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diff
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|
702 case DETECTION_CO2_3: if(uartCo2_isSensorConnected()) |
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diff
changeset
|
703 { |
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diff
changeset
|
704 foundSensorMap[EXT_INTERFACE_MUX_OFFSET + activeUartChannel] = SENSOR_CO2; |
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794
diff
changeset
|
705 externalAutoDetect = DETECTION_DONE; /* only one CO2 sensor supported */ |
e9eba334b942
Migrated CO2 protocol implementation to new format:
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diff
changeset
|
706 } |
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diff
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|
707 else if(foundSensorMap[EXT_INTERFACE_SENSOR_CNT-1] == SENSOR_MUX) |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
708 { |
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
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diff
changeset
|
709 externalInterface_SwitchUART(EXT_INTERFACE_UART_O2 >> 8); |
e9eba334b942
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diff
changeset
|
710 UART_MUX_SelectAddress(uartMuxChannel); |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
711 activeUartChannel = uartMuxChannel; |
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parents:
794
diff
changeset
|
712 tmpSensorMap[uartMuxChannel - 1 + EXT_INTERFACE_MUX_OFFSET] = SENSOR_NONE; |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
713 tmpSensorMap[EXT_INTERFACE_MUX_OFFSET + uartMuxChannel] = SENSOR_CO2; |
e9eba334b942
Migrated CO2 protocol implementation to new format:
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794
diff
changeset
|
714 externalInterface_SensorState[EXT_INTERFACE_MUX_OFFSET + uartMuxChannel] = UART_COMMON_INIT; |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
715 externalInterface_SwitchUART(EXT_INTERFACE_UART_CO2 >> 8); |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
716 uartCo2_SendCmd(CO2CMD_MODE_POLL, cmdString, &cmdLength); |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
717 externalAutoDetect++; |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
718 uartMuxChannel++; |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
719 } |
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
720 else |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
721 { |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
722 externalAutoDetect = DETECTION_DONE; |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
723 } |
742 | 724 #endif |
725 #ifdef ENABLE_SENTINEL_MODE | |
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
parents:
753
diff
changeset
|
726 if(externalAutoDetect == DETECTION_SENTINEL) |
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
parents:
753
diff
changeset
|
727 { |
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
parents:
753
diff
changeset
|
728 externalInterface_SwitchUART(EXT_INTERFACE_UART_SENTINEL >> 8); |
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
parents:
753
diff
changeset
|
729 UART_StartDMA_Receiption(); |
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
parents:
753
diff
changeset
|
730 } |
742 | 731 break; |
732 | |
733 case DETECTION_SENTINEL: | |
734 case DETECTION_SENTINEL2: | |
735 if(UART_isSentinelConnected()) | |
736 { | |
737 for(index = 0; index < 3; index++) /* Sentinel is occupiing all sensor slots */ | |
738 { | |
739 tmpSensorMap[index] = SENSOR_SENTINEL; | |
740 } | |
741 sensorIndex = 3; | |
742 } | |
743 externalAutoDetect++; | |
744 #endif | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
745 break; |
794 | 746 case DETECTION_DONE: externalAutoDetect = DETECTION_OFF; |
747 externalInterface_SwitchUART(0); | |
748 activeUartChannel = 0xFF; | |
749 cntSensor = 0; | |
750 cntUARTSensor = 0; | |
751 for(index = 0; index < EXT_INTERFACE_SENSOR_CNT-1; index++) | |
731 | 752 { |
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
753 if((foundSensorMap[index] >= SENSOR_ANALOG) && (foundSensorMap[index] < SENSOR_MUX)) |
794 | 754 { |
755 cntSensor++; | |
756 } | |
784 | 757 |
794 | 758 if((foundSensorMap[index] == SENSOR_DIGO2) || (foundSensorMap[index] == SENSOR_CO2)) |
759 { | |
760 cntUARTSensor++; | |
761 } | |
786 | 762 |
794 | 763 /* Map Mux O2 sensors to ADC Slot if ADC slot is not in use */ |
764 if(foundSensorMap[index] == SENSOR_DIGO2) | |
786 | 765 { |
794 | 766 for(index2 = 0; index2 < MAX_ADC_CHANNEL; index2++) |
767 { | |
768 if(foundSensorMap[index2] == SENSOR_NONE) | |
769 { | |
770 foundSensorMap[index2] = SENSOR_DIGO2M; /* store a mirror instance needed for visualization */ | |
771 Mux2ADCMap[index2] = index; | |
772 break; | |
773 } | |
774 } | |
786 | 775 } |
776 } | |
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
777 for(index = 0; index < EXT_INTERFACE_SENSOR_CNT-1; index++) |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
778 { |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
779 if(foundSensorMap[index] == SENSOR_CO2) |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
780 { |
e9eba334b942
Migrated CO2 protocol implementation to new format:
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parents:
794
diff
changeset
|
781 for(index2 = 0; index2 < MAX_ADC_CHANNEL; index2++) |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
782 { |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
783 if(foundSensorMap[index2] == SENSOR_NONE) |
e9eba334b942
Migrated CO2 protocol implementation to new format:
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parents:
794
diff
changeset
|
784 { |
e9eba334b942
Migrated CO2 protocol implementation to new format:
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parents:
794
diff
changeset
|
785 foundSensorMap[index2] = SENSOR_CO2M; /* store a mirror instance needed for visualization */ |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
786 Mux2ADCMap[index2] = index; |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
787 break; |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
788 } |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
789 } |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
790 } |
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
791 } |
794 | 792 externalInterfaceMuxReqIntervall = 0xFFFF; |
793 if(cntSensor == 0) /* return default sensor map if no sensor at all has been detected */ | |
784 | 794 { |
794 | 795 foundSensorMap[0] = SENSOR_OPTIC; |
796 foundSensorMap[1] = SENSOR_OPTIC; | |
797 foundSensorMap[2] = SENSOR_OPTIC; | |
798 } | |
799 else | |
800 { | |
801 if(cntUARTSensor != 0) | |
784 | 802 { |
794 | 803 externalInterfaceMuxReqIntervall = REQUEST_INT_SENSOR_MS / cntUARTSensor; |
784 | 804 } |
805 } | |
794 | 806 memcpy(SensorMap, foundSensorMap, sizeof(foundSensorMap)); |
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
807 memset(externalInterface_SensorState, UART_COMMON_INIT, sizeof(externalInterface_SensorState)); |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
808 break; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
809 default: |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
810 break; |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
811 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
812 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
813 } |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
814 |
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
815 |
662 | 816 void externalInterface_ExecuteCmd(uint16_t Cmd) |
817 { | |
818 char cmdString[10]; | |
819 uint8_t cmdLength = 0; | |
794 | 820 uint8_t index, index2; |
821 uint8_t cntUARTSensor = 0; | |
822 uint8_t lastMappedID = 0; | |
823 | |
662 | 824 |
825 switch(Cmd & 0x00FF) /* lower byte is reserved for commands */ | |
826 { | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
827 case EXT_INTERFACE_AUTODETECT: externalAutoDetect = DETECTION_INIT; |
742 | 828 for(index = 0; index < 3; index++) |
829 { | |
830 SensorMap[index] = SENSOR_SEARCH; | |
831 } | |
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
832 break; |
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
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833 case EXT_INTERFACE_CO2_CALIB: for(index = 0; index < EXT_INTERFACE_SENSOR_CNT; index++) |
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834 { |
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835 if(SensorMap[index] == SENSOR_CO2) |
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836 { |
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837 externalInterface_SensorState[index] = UART_CO2_CALIBRATE; |
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838 break; |
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839 } |
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840 } |
662 | 841 break; |
729
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842 case EXT_INTERFACE_COPY_SENSORMAP: if(externalAutoDetect == DETECTION_OFF) |
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843 { |
794 | 844 memcpy(SensorMap, MasterSensorMap, sizeof(MasterSensorMap)); |
845 for(index = 0; index < EXT_INTERFACE_SENSOR_CNT; index++) | |
729
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846 { |
794 | 847 if((SensorMap[index] == SENSOR_DIGO2) || (SensorMap[index] == SENSOR_CO2)) |
848 { | |
849 cntUARTSensor++; | |
850 } | |
851 if(SensorMap[index] == SENSOR_DIGO2M) /* find matching sensor for mirror */ | |
729
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852 { |
794 | 853 for(index2 = EXT_INTERFACE_MUX_OFFSET; index2 < EXT_INTERFACE_SENSOR_CNT; index2++) |
854 { | |
855 if(SensorMap[index2] == SENSOR_DIGO2) | |
856 { | |
857 if(lastMappedID < index2) | |
858 { | |
859 lastMappedID = index2; | |
860 Mux2ADCMap[index] = index2; | |
861 break; | |
862 } | |
863 } | |
864 } | |
729
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865 } |
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866 } |
794 | 867 if(cntUARTSensor > 0) |
868 { | |
869 externalInterfaceMuxReqIntervall = REQUEST_INT_SENSOR_MS / cntUARTSensor; | |
870 activeUartChannel = 0xFF; | |
871 } | |
872 else | |
873 { | |
874 externalInterfaceMuxReqIntervall = 0xFFFF; | |
875 } | |
729
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876 } |
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877 break; |
662 | 878 default: |
879 break; | |
880 } | |
881 if(cmdLength != 0) | |
882 { | |
883 HAL_UART_Transmit(&huart1,(uint8_t*)cmdString,cmdLength,10); | |
884 } | |
885 return; | |
886 } | |
887 | |
794 | 888 uint8_t ExternalInterface_SelectUsedMuxChannel(uint8_t currentChannel) |
889 { | |
890 uint8_t index = currentChannel; | |
891 uint8_t newChannel = index; | |
892 uint8_t *pmap = externalInterface_GetSensorMapPointer(0); | |
893 | |
894 do | |
895 { | |
896 index++; | |
897 if(index == MAX_MUX_CHANNEL) | |
898 { | |
899 index = 0; | |
900 } | |
901 if(((pmap[index + EXT_INTERFACE_MUX_OFFSET] == SENSOR_DIGO2) || (pmap[index + EXT_INTERFACE_MUX_OFFSET] == SENSOR_CO2)) | |
902 && (index != activeUartChannel)) | |
903 { | |
904 newChannel = index; | |
905 break; | |
906 } | |
907 } while(index != currentChannel); | |
908 | |
909 return newChannel; | |
910 } | |
911 | |
798
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912 void externalInterface_CheckBaudrate(uint8_t sensorType) |
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913 { |
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914 static uint32_t lastBaudRate = 0; |
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915 uint32_t newBaudrate = 0; |
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916 |
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917 switch(sensorType) |
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918 { |
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919 case SENSOR_CO2: newBaudrate = 9600; |
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920 break; |
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921 case SENSOR_DIGO2: |
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922 default: newBaudrate = 19200; |
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923 break; |
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924 } |
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925 if(lastBaudRate != newBaudrate) |
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926 { |
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927 UART_ChangeBaudrate(newBaudrate); |
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928 lastBaudRate = newBaudrate; |
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929 } |
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930 } |
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931 |
794 | 932 void externalInterface_HandleUART() |
933 { | |
934 static uint8_t retryRequest = 0; | |
935 static uint32_t lastRequestTick = 0; | |
936 static uint32_t TriggerTick = 0; | |
937 uint8_t index = 0; | |
938 static uint8_t timeToTrigger = 0; | |
939 uint32_t tick = HAL_GetTick(); | |
940 uint8_t *pmap = externalInterface_GetSensorMapPointer(0); | |
941 | |
942 | |
943 UART_ReadData(pmap[activeSensorId]); | |
944 | |
945 if(activeUartChannel == 0xFF) | |
946 { | |
947 activeUartChannel = ExternalInterface_SelectUsedMuxChannel(0); | |
948 uartO2_SetChannel(activeUartChannel); | |
949 if(pmap[EXT_INTERFACE_SENSOR_CNT-1] == SENSOR_MUX) | |
950 { | |
951 UART_MUX_SelectAddress(activeUartChannel); | |
952 } | |
798
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953 externalInterface_CheckBaudrate(pmap[activeUartChannel + EXT_INTERFACE_MUX_OFFSET]); |
794 | 954 UART_FlushRxBuffer(); |
955 } | |
956 | |
957 if(externalInterfaceMuxReqIntervall != 0xFFFF) | |
958 { | |
798
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959 if(externalInterface_SensorState[activeSensorId] == UART_COMMON_INIT) |
794 | 960 { |
961 lastRequestTick = tick; | |
962 TriggerTick = tick - 10; /* just to make sure control is triggered */ | |
963 timeToTrigger = 1; | |
964 retryRequest = 0; | |
965 } | |
966 else if(((retryRequest == 0) /* timeout or error */ | |
967 && (((time_elapsed_ms(lastRequestTick,tick) > (TIMEOUT_SENSOR_ANSWER)) && (externalInterface_SensorState[activeSensorId] != UART_O2_IDLE)) /* retry if no answer after half request interval */ | |
968 || (externalInterface_SensorState[activeSensorId] == UART_O2_ERROR)))) | |
969 { | |
970 /* The channel switch will cause the sensor to respond with an error message. */ | |
971 /* The sensor needs ~30ms to recover before he is ready to receive the next command => transmission delay needed */ | |
972 | |
973 TriggerTick = tick; | |
974 timeToTrigger = COMMAND_TX_DELAY; | |
975 retryRequest = 1; | |
976 } | |
977 | |
978 else if(time_elapsed_ms(lastRequestTick,tick) > externalInterfaceMuxReqIntervall) /* switch sensor and / or trigger next request */ | |
979 { | |
980 lastRequestTick = tick; | |
981 TriggerTick = tick; | |
982 retryRequest = 0; | |
983 timeToTrigger = 1; | |
984 | |
985 if((externalInterface_SensorState[activeSensorId] == UART_O2_REQ_O2) /* timeout */ | |
798
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986 || (externalInterface_SensorState[activeSensorId] == UART_O2_REQ_RAW) |
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987 || (externalInterface_SensorState[activeSensorId] == UART_CO2_OPERATING)) |
794 | 988 { |
798
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989 switch(pmap[activeSensorId]) |
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990 { |
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991 case SENSOR_DIGO2: setExternalInterfaceChannel(activeSensorId,0.0); |
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992 break; |
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993 case SENSOR_CO2: externalInterface_SetCO2Value(0.0); |
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994 externalInterface_SetCO2State(0); |
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995 break; |
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996 default: |
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997 break; |
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998 } |
794 | 999 } |
1000 | |
1001 if(pmap[EXT_INTERFACE_SENSOR_CNT-1] == SENSOR_MUX) /* select next sensor if mux is connected */ | |
1002 { | |
1003 if(activeUartChannel < MAX_MUX_CHANNEL) | |
1004 { | |
1005 index = ExternalInterface_SelectUsedMuxChannel(activeUartChannel); | |
1006 if(index != activeUartChannel) | |
1007 { | |
1008 timeToTrigger = 100; | |
1009 activeUartChannel = index; | |
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1010 if((pmap[index + EXT_INTERFACE_MUX_OFFSET] == SENSOR_DIGO2) |
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1011 || (pmap[index + EXT_INTERFACE_MUX_OFFSET] == SENSOR_CO2)) |
794 | 1012 { |
1013 uartO2_SetChannel(activeUartChannel); | |
798
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1014 externalInterface_CheckBaudrate(SENSOR_MUX); |
794 | 1015 UART_MUX_SelectAddress(activeUartChannel); |
798
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1016 externalInterface_CheckBaudrate(pmap[activeUartChannel + EXT_INTERFACE_MUX_OFFSET]); |
794 | 1017 } |
1018 } | |
1019 } | |
1020 } | |
1021 else | |
1022 { | |
1023 timeToTrigger = 1; | |
1024 } | |
1025 } | |
1026 if((timeToTrigger != 0) && (time_elapsed_ms(TriggerTick,tick) > timeToTrigger)) | |
1027 { | |
1028 timeToTrigger = 0; | |
1029 switch (pmap[activeSensorId]) | |
1030 { | |
1031 case SENSOR_MUX: | |
1032 case SENSOR_DIGO2: uartO2_Control(); | |
1033 break; | |
798
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1034 #ifdef ENABLE_CO2_SUPPORT |
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1035 case SENSOR_CO2: uartCo2_Control(); |
794 | 1036 break; |
798
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1037 #endif |
794 | 1038 default: |
1039 break; | |
1040 } | |
1041 } | |
1042 } | |
1043 | |
1044 | |
1045 | |
1046 #if 0 | |
1047 #ifdef ENABLE_SENTINEL_MODE | |
1048 if(externalInterface_GetUARTProtocol() & (EXT_INTERFACE_UART_SENTINEL >> 8)) | |
1049 { | |
1050 UART_HandleSentinelData(); | |
1051 } | |
1052 #endif | |
1053 #endif | |
1054 | |
1055 | |
1056 } |