Mercurial > public > ostc4
annotate Small_CPU/Src/externalInterface.c @ 839:061174d88af9 Evo_2_23
Code cleanup: UART protocol definitions
In the first external interface implementation the discovery part took care for the uart protocol selection. Since the introduction of the automatic detection the protocol handling has been moved into the RTE. However the definitions were still in the in the exchange header (Discovery <=> RTE). To avoid confusions the definitions have been moved into RTE scope only.
| author | Ideenmodellierer |
|---|---|
| date | Sun, 07 Jan 2024 21:20:15 +0100 |
| parents | 9602a7338f28 |
| children | c3dd461ca3f9 |
| 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 |
| 804 | 92 static uint16_t externalInterfaceMuxReqIntervall = 0xffff; /* 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 */ | |
| 94 | |
| 95 | |
| 96 static void externalInface_MapUartToLegacyADC(uint8_t* pMap); | |
| 809 | 97 static void externalInterface_CheckBaudrate(uint8_t sensorType); |
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98 |
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99 void externalInterface_Init(void) |
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100 { |
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101 uint16_t index; |
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102 uint16_t coeff; |
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103 activeChannel = 0; |
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104 timeoutCnt = 0; |
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105 externalInterfacePresent = 0; |
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106 if(externalInterface_StartConversion(activeChannel) == HAL_OK) |
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107 { |
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108 externalInterfacePresent = 1; |
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109 global.deviceDataSendToMaster.hw_Info.extADC = 1; |
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110 } |
| 559 | 111 global.deviceDataSendToMaster.hw_Info.checkADC = 1; |
| 662 | 112 |
| 804 | 113 |
| 794 | 114 |
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115 /* Create a lookup table based on GSS application note AN001: PRESSURE COMPENSATION OF A CO2 SENSOR */ |
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116 /* The main purpose of the sensor in the dive application is to be a warning indicator */ |
| 753 | 117 /* => no exact values necessary => a lookup table with 1000ppm scaling should be sufficient */ |
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118 LookupCO2PressureCorrection [0] = -0.0014; |
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119 for(index = 1; index < (LOOKUP_CO2_CORR_TABLE_MAX / LOOKUP_CO2_CORR_TABLE_SCALE); index++) |
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120 { |
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121 coeff = index * LOOKUP_CO2_CORR_TABLE_SCALE; |
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122 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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123 } |
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124 externalInterface_InitDatastruct(); |
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125 } |
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126 |
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127 void externalInterface_InitDatastruct(void) |
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128 { |
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129 uint8_t index = 0; |
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130 /* init data values */ |
| 662 | 131 externalV33_On = 0; |
| 804 | 132 externalADC_On = 0; |
| 133 externalUART_Protocol = 0; | |
| 662 | 134 externalCO2Value = 0; |
| 135 externalCO2SignalStrength = 0; | |
| 136 externalCO2Status = 0; | |
| 804 | 137 externalCO2Scale = 0.0; |
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138 externalAutoDetect = DETECTION_OFF; |
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139 |
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140 for(index = 0; index < MAX_ADC_CHANNEL; index++) |
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141 { |
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142 externalChannel_mV[index] = 0.0; |
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143 } |
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144 memset(externalInterface_SensorState,UART_COMMON_INIT,sizeof(externalInterface_SensorState)); |
| 804 | 145 externalInface_MapUartToLegacyADC(SensorMap); |
| 146 activeUartChannel = 0xFF; | |
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147 } |
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148 |
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149 |
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150 uint8_t externalInterface_StartConversion(uint8_t channel) |
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151 { |
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152 uint8_t retval = 0; |
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153 uint8_t confByte = 0; |
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154 |
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155 if(channel < MAX_ADC_CHANNEL) |
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156 { |
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157 confByte = ADC_START_CONVERSION | ADC_RESOLUTION_16BIT | ADC_GAIN_8; |
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158 confByte |= channel << 5; |
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159 retval = I2C_Master_Transmit(DEVICE_EXTERNAL_ADC, &confByte, 1); |
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160 } |
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161 return retval; |
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162 } |
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163 |
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164 /* Check if conversion is done and trigger measurement of next channel */ |
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165 uint8_t externalInterface_ReadAndSwitch() |
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166 { |
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167 uint8_t retval = EXTERNAL_ADC_NO_DATA; |
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168 uint8_t nextChannel; |
| 731 | 169 uint8_t* psensorMap = externalInterface_GetSensorMapPointer(0); |
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170 |
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171 if(externalADC_On) |
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172 { |
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173 if(I2C_Master_Receive(DEVICE_EXTERNAL_ADC, recBuf, ADC_ANSWER_LENGTH) == HAL_OK) |
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174 { |
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175 if((recBuf[ANSWER_CONFBYTE_INDEX] & ADC_START_CONVERSION) == 0) /* !ready set => received data contains new value */ |
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176 { |
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177 retval = activeChannel; /* return channel number providing new data */ |
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178 nextChannel = activeChannel + 1; |
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179 if(nextChannel == MAX_ADC_CHANNEL) |
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180 { |
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181 nextChannel = 0; |
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182 } |
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183 |
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184 while((psensorMap[nextChannel] != SENSOR_ANALOG) && (nextChannel != activeChannel)) |
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185 { |
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186 if(nextChannel == MAX_ADC_CHANNEL) |
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187 { |
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188 nextChannel = 0; |
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189 } |
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190 else |
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191 { |
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192 nextChannel++; |
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193 } |
|
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194 } |
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195 |
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196 activeChannel = nextChannel; |
|
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197 externalInterface_StartConversion(activeChannel); |
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198 timeoutCnt = 0; |
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199 } |
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200 else |
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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 } |
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208 } |
|
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209 else /* take also i2c bus disturb into account */ |
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210 { |
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211 if(timeoutCnt++ >= ADC_TIMEOUT) |
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212 { |
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213 externalInterface_StartConversion(activeChannel); |
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214 timeoutCnt = 0; |
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215 } |
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216 } |
|
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217 } |
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218 return retval; |
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219 } |
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220 float externalInterface_CalculateADCValue(uint8_t channel) |
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221 { |
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222 int32_t rawvalue = 0; |
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223 float retValue = 0.0; |
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224 if(channel < MAX_ADC_CHANNEL) |
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225 { |
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226 |
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227 rawvalue = ((recBuf[0] << 16) | (recBuf[1] << 8) | (recBuf[2])); |
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228 |
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229 switch(recBuf[3] & 0x0C) /* confbyte => Resolution bits*/ |
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230 { |
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231 case ADC_RESOLUTION_16BIT: rawvalue = rawvalue >> 8; /* only 2 databytes received shift out confbyte*/ |
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232 if(rawvalue & (0x1 << (ADC_RESOLUTION_16BIT_VALUE-1))) /* MSB set => negative number */ |
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233 { |
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234 rawvalue |= 0xFFFF0000; /* set MSB for int32 */ |
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235 } |
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236 else |
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237 { |
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238 rawvalue &= 0x0000FFFF; |
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239 } |
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240 externalChannel_mV[channel] = ADC_REF_VOLTAGE_MV * 2.0 / (float) pow(2,ADC_RESOLUTION_16BIT_VALUE); /* calculate bit resolution */ |
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241 break; |
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242 case ADC_RESOLUTION_18BIT: if(rawvalue & (0x1 << (ADC_RESOLUTION_18BIT_VALUE-1))) /* MSB set => negative number */ |
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243 { |
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244 rawvalue |= 0xFFFE0000; /* set MSB for int32 */ |
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245 } |
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246 externalChannel_mV[channel] = ADC_REF_VOLTAGE_MV * 2.0 / (float) pow(2,ADC_RESOLUTION_18BIT_VALUE); /* calculate bit resolution */ |
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247 break; |
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248 default: rawvalue = 0; |
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249 break; |
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250 } |
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251 externalChannel_mV[channel] = externalChannel_mV[channel] * rawvalue / ADC_GAIN_8_VALUE; |
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252 retValue = externalChannel_mV[channel]; |
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253 } |
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254 return retValue; |
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255 } |
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256 float getExternalInterfaceChannel(uint8_t channel) |
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257 { |
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258 float retval = 0; |
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259 |
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260 if(channel < MAX_ADC_CHANNEL) |
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261 { |
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262 retval = externalChannel_mV[channel]; |
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263 } |
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264 return retval; |
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265 } |
| 662 | 266 |
| 691 | 267 uint8_t setExternalInterfaceChannel(uint8_t channel, float value) |
| 268 { | |
| 269 uint8_t retval = 0; | |
| 794 | 270 uint8_t localId = channel; |
| 271 uint8_t index = 0; | |
| 691 | 272 |
| 794 | 273 if(localId >= MAX_ADC_CHANNEL) /* at the moment sensor visualization is focused on the three ADC channels => map Mux sensors */ |
| 691 | 274 { |
| 794 | 275 for(index = 0; index < MAX_ADC_CHANNEL; index++) |
| 276 { | |
| 277 if(Mux2ADCMap[index] == localId) | |
| 278 { | |
| 279 localId = index; | |
| 280 break; | |
| 281 } | |
| 282 } | |
| 283 } | |
| 284 | |
| 285 if(localId < MAX_ADC_CHANNEL) | |
| 286 { | |
| 287 externalChannel_mV[localId] = value; | |
| 691 | 288 retval = 1; |
| 289 } | |
| 290 return retval; | |
| 291 } | |
| 292 | |
| 662 | 293 void externalInterface_InitPower33(void) |
| 294 { | |
| 295 GPIO_InitTypeDef GPIO_InitStructure; | |
| 296 | |
| 297 GPIO_InitStructure.Pin = GPIO_PIN_7; | |
| 298 GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP; | |
| 299 GPIO_InitStructure.Pull = GPIO_PULLUP; | |
| 300 GPIO_InitStructure.Speed = GPIO_SPEED_LOW; | |
| 301 HAL_GPIO_Init(GPIOC, &GPIO_InitStructure); | |
| 302 HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_SET); | |
| 303 } | |
| 304 | |
| 305 | |
| 306 uint8_t externalInterface_isEnabledPower33() | |
| 307 { | |
| 308 return externalV33_On; | |
| 309 } | |
| 691 | 310 |
| 311 uint8_t externalInterface_isEnabledADC() | |
| 312 { | |
| 313 return externalADC_On; | |
| 314 } | |
| 315 | |
|
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316 uint8_t externalInterface_GetUARTProtocol() |
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317 { |
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318 return externalUART_Protocol; |
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319 } |
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320 |
| 662 | 321 void externalInterface_SwitchPower33(uint8_t state) |
| 322 { | |
| 323 if(state != externalV33_On) | |
| 324 { | |
| 325 if(state) | |
| 326 { | |
| 327 HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_RESET); | |
| 328 externalV33_On = 1; | |
| 329 } | |
| 330 else | |
| 331 { | |
| 731 | 332 if(externalAutoDetect == DETECTION_OFF) |
| 333 { | |
| 334 HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_SET); | |
| 335 externalV33_On = 0; | |
| 336 externalInterface_SetCO2Value(0); | |
| 337 externalInterface_SetCO2SignalStrength(0); | |
| 338 } | |
| 662 | 339 } |
| 340 } | |
| 341 } | |
| 691 | 342 void externalInterface_SwitchADC(uint8_t state) |
| 343 { | |
|
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344 uint8_t loop = 0; |
| 691 | 345 if((state) && (externalInterfacePresent)) |
| 346 { | |
|
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347 if(externalADC_On == 0) |
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348 { |
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349 activeChannel = 0; |
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350 externalInterface_StartConversion(activeChannel); |
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351 externalADC_On = 1; |
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352 } |
| 691 | 353 } |
| 354 else | |
| 355 { | |
|
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356 if(externalAutoDetect == DETECTION_OFF) /* block deactivation requests if auto detection is active */ |
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357 { |
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358 externalADC_On = 0; |
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359 for(loop = 0; loop < MAX_ADC_CHANNEL; loop++) |
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360 { |
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361 externalChannel_mV[loop] = 0; |
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362 } |
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363 } |
| 691 | 364 } |
| 365 } | |
| 662 | 366 |
|
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367 void externalInterface_SwitchUART(uint8_t protocol) |
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368 { |
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369 switch(protocol) |
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370 { |
| 839 | 371 case EXT_INTERFACE_UART_OFF: |
| 372 case EXT_INTERFACE_UART_CO2: | |
| 373 case EXT_INTERFACE_UART_O2: | |
| 374 case EXT_INTERFACE_UART_SENTINEL: | |
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375 if((externalAutoDetect <= DETECTION_START) |
| 839 | 376 || ((protocol == EXT_INTERFACE_UART_O2) && (externalAutoDetect >= DETECTION_UARTMUX) && (externalAutoDetect <= DETECTION_DIGO2_3)) |
|
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377 |
| 746 | 378 #ifdef ENABLE_CO2_SUPPORT |
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379 || ((externalAutoDetect >= DETECTION_CO2_0) && (externalAutoDetect <= DETECTION_CO2_3)) |
| 746 | 380 #endif |
| 381 #ifdef ENABLE_SENTINEL_MODE | |
| 839 | 382 || ((protocol == EXT_INTERFACE_UART_SENTINEL) && (externalAutoDetect == DETECTION_SENTINEL)) |
| 746 | 383 #endif |
| 384 ) | |
|
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385 { |
|
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386 lastSensorDataId = 0; |
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387 externalUART_Protocol = protocol; |
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388 MX_USART1_UART_DeInit(); |
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389 if( protocol != 0) |
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390 { |
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391 MX_USART1_UART_Init(); |
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392 } |
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393 } |
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394 break; |
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395 default: |
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396 break; |
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397 } |
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398 } |
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399 |
| 794 | 400 uint8_t externalInterface_GetActiveUartSensor() |
| 401 { | |
| 402 return activeUartChannel; | |
| 403 } | |
| 404 | |
| 405 void externalInterface_SetSensorState(uint8_t sensorIdx, uint8_t state) | |
| 406 { | |
| 407 if(sensorIdx < EXT_INTERFACE_SENSOR_CNT) | |
| 408 { | |
| 409 externalInterface_SensorState[sensorIdx] = state; | |
| 410 } | |
| 411 } | |
| 412 | |
| 413 uint8_t externalInterface_GetSensorState(uint8_t sensorIdx) | |
| 414 { | |
| 415 uint8_t ret = COMMON_SENSOR_STATE_INVALID; | |
| 416 if(sensorIdx < EXT_INTERFACE_SENSOR_CNT) | |
| 417 { | |
| 418 ret = externalInterface_SensorState[sensorIdx]; | |
| 419 } | |
| 420 return ret; | |
| 421 } | |
| 422 | |
| 423 /* The supported sensors from GSS have different scaling factors depending on their accuracy. The factor may be read out of the sensor */ | |
| 424 void externalInterface_SetCO2Scale(float CO2Scale) | |
| 425 { | |
| 426 if((CO2Scale == 10) || (CO2Scale == 100)) | |
| 427 { | |
| 428 externalCO2Scale = CO2Scale; | |
| 429 } | |
| 430 } | |
| 431 float externalInterface_GetCO2Scale() | |
| 432 { | |
| 433 return externalCO2Scale; | |
| 434 } | |
| 435 | |
| 662 | 436 void externalInterface_SetCO2Value(uint16_t CO2_ppm) |
| 437 { | |
| 794 | 438 float local_ppm = CO2_ppm * externalCO2Scale; |
|
747
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439 |
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440 #ifndef ENABLE_EXTERNAL_PRESSURE |
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441 float local_corr = 0.0; |
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442 |
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443 if (local_ppm >= LOOKUP_CO2_CORR_TABLE_MAX) |
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444 { |
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445 local_corr = -0.0014; |
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446 } |
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447 else |
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448 { |
|
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449 local_corr = LookupCO2PressureCorrection[((uint16_t) (local_ppm / LOOKUP_CO2_CORR_TABLE_SCALE))]; |
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450 } |
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451 local_ppm = local_ppm / (1.0 + (local_corr * (get_surface_mbar() - get_pressure_mbar()))); |
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452 #else |
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|
453 /* The external pressure value is passed via ADC channel2 and calibration is done at firmware => just forward sensor data */ |
|
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454 /* 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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|
455 #endif |
| 794 | 456 externalCO2Value = local_ppm / externalCO2Scale; |
| 662 | 457 } |
| 458 | |
| 459 void externalInterface_SetCO2SignalStrength(uint16_t LED_qa) | |
| 460 { | |
| 461 externalCO2SignalStrength = LED_qa; | |
| 462 } | |
| 463 | |
| 464 uint16_t externalInterface_GetCO2Value(void) | |
| 465 { | |
| 466 return externalCO2Value; | |
| 467 } | |
| 468 | |
| 469 uint16_t externalInterface_GetCO2SignalStrength(void) | |
| 470 { | |
| 471 return externalCO2SignalStrength; | |
| 472 } | |
| 473 | |
| 474 | |
| 475 void externalInterface_SetCO2State(uint16_t state) | |
| 476 { | |
| 477 externalCO2Status = state; | |
| 478 } | |
| 479 | |
| 480 uint16_t externalInterface_GetCO2State(void) | |
| 481 { | |
| 482 return externalCO2Status; | |
| 483 } | |
| 484 | |
|
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485 |
|
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486 uint8_t externalInterface_GetSensorData(uint8_t sensorId, uint8_t* pDataStruct) |
|
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487 { |
| 794 | 488 uint8_t index = 0; |
|
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489 uint8_t localId = sensorId; |
| 786 | 490 if(localId == 0xFF) |
|
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491 { |
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492 localId = lastSensorDataId; |
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493 } |
|
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494 |
| 794 | 495 if((pDataStruct != NULL) && (localId <= EXT_INTERFACE_SENSOR_CNT)) |
|
714
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|
496 { |
| 786 | 497 memcpy(pDataStruct, &sensorDataDiveO2[localId], sizeof(SSensorDataDiveO2)); |
| 498 } | |
| 499 else | |
| 500 { | |
| 501 localId = 0xFF; | |
|
714
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|
502 } |
| 794 | 503 if(localId > MAX_ADC_CHANNEL) /* at the moment sensor visualization is focused on the three ADC channels => map Mux sensors */ |
| 504 { | |
| 505 for(index = 0; index < MAX_ADC_CHANNEL; index++) | |
| 506 { | |
| 507 if(Mux2ADCMap[index] == localId) | |
| 508 { | |
| 509 localId = index; | |
| 510 } | |
| 511 } | |
| 512 } | |
| 513 | |
|
779
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Added UART multiplexer support for DiveO2:
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514 return localId; |
|
714
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Added customizable data area for specific sensor data:
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|
515 } |
|
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|
516 |
| 786 | 517 void externalInterface_SetSensorData(uint8_t sensorId, uint8_t* pDataStruct) |
|
714
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Added customizable data area for specific sensor data:
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|
518 { |
| 794 | 519 uint8_t index = 0; |
| 520 | |
|
714
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521 if(pDataStruct != NULL) |
|
045ff7800501
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|
522 { |
| 794 | 523 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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diff
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|
524 { |
| 786 | 525 memcpy(&sensorDataDiveO2[sensorId], pDataStruct, sizeof(SSensorDataDiveO2)); |
| 526 lastSensorDataId = sensorId; | |
| 804 | 527 if(sensorId >= MAX_ADC_CHANNEL) |
| 794 | 528 { |
| 804 | 529 for(index = 0; index < MAX_ADC_CHANNEL; index++) |
| 794 | 530 { |
| 804 | 531 if(Mux2ADCMap[index] == sensorId) |
| 532 { | |
| 533 memcpy(&sensorDataDiveO2[index], pDataStruct, sizeof(SSensorDataDiveO2)); | |
| 534 lastSensorDataId = index; | |
| 535 break; | |
| 536 } | |
| 794 | 537 } |
| 538 } | |
|
714
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Added customizable data area for specific sensor data:
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|
539 } |
|
045ff7800501
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|
540 else |
|
045ff7800501
Added customizable data area for specific sensor data:
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|
541 { |
|
045ff7800501
Added customizable data area for specific sensor data:
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|
542 memset(&sensorDataDiveO2,0,sizeof(sensorDataDiveO2)); |
| 786 | 543 lastSensorDataId = 0xFF; |
|
714
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544 } |
|
045ff7800501
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|
545 } |
|
045ff7800501
Added customizable data area for specific sensor data:
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|
546 } |
|
045ff7800501
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|
547 |
|
729
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Added auto detection functionality for sensors connected to the external interface:
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548 void externalInface_SetSensorMap(uint8_t* pMap) |
|
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549 { |
|
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|
550 if(pMap != NULL) |
|
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|
551 { |
| 794 | 552 memcpy(MasterSensorMap, pMap, EXT_INTERFACE_SENSOR_CNT); /* the map is not directly copied. Copy is done via cmd request */ |
|
729
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|
553 } |
|
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|
554 |
|
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|
555 } |
| 804 | 556 |
| 557 void externalInface_MapUartToLegacyADC(uint8_t* pMap) | |
| 558 { | |
| 559 uint8_t index, index2; | |
| 560 | |
| 561 memset(Mux2ADCMap,0xFF, sizeof(Mux2ADCMap)); | |
| 562 | |
| 563 for(index2 = 0; index2 < MAX_ADC_CHANNEL; index2++) /* Unmap old mirror instances */ | |
| 564 { | |
| 565 if((pMap[index2] == SENSOR_DIGO2M) || (pMap[index2] == SENSOR_CO2M)) | |
| 566 { | |
| 567 pMap[index2] = SENSOR_NONE; | |
| 568 } | |
| 569 } | |
| 570 | |
| 571 /* Map Mux O2 sensors to ADC Slot if ADC slot is not in use */ | |
| 572 for(index = 0; index < EXT_INTERFACE_SENSOR_CNT-1; index++) | |
| 573 { | |
| 574 if(pMap[index] == SENSOR_DIGO2) | |
| 575 { | |
| 576 for(index2 = 0; index2 < MAX_ADC_CHANNEL; index2++) | |
| 577 { | |
| 578 if(pMap[index2] == SENSOR_NONE) | |
| 579 { | |
| 580 pMap[index2] = SENSOR_DIGO2M; /* store a mirror instance needed for visualization */ | |
| 581 Mux2ADCMap[index2] = index; | |
| 582 break; | |
| 583 } | |
| 584 } | |
| 585 } | |
| 586 } | |
| 587 for(index = 0; index < EXT_INTERFACE_SENSOR_CNT-1; index++) | |
| 588 { | |
| 589 if(pMap[index] == SENSOR_CO2) | |
| 590 { | |
| 591 for(index2 = 0; index2 < MAX_ADC_CHANNEL; index2++) | |
| 592 { | |
| 593 if(pMap[index2] == SENSOR_NONE) | |
| 594 { | |
| 595 pMap[index2] = SENSOR_CO2M; /* store a mirror instance needed for visualization */ | |
| 596 Mux2ADCMap[index2] = index; | |
| 597 break; | |
| 598 } | |
| 599 } | |
| 600 } | |
| 601 } | |
| 602 } | |
| 603 | |
| 731 | 604 uint8_t* externalInterface_GetSensorMapPointer(uint8_t finalMap) |
|
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
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605 { |
|
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|
606 uint8_t* pret; |
|
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diff
changeset
|
607 |
| 731 | 608 if((externalAutoDetect != DETECTION_OFF) && (!finalMap)) |
|
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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714
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|
609 { |
|
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changeset
|
610 pret = tmpSensorMap; |
|
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|
611 } |
|
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Added auto detection functionality for sensors connected to the external interface:
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|
612 else |
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d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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changeset
|
613 { |
|
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Ideenmodellierer
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changeset
|
614 pret = SensorMap; |
|
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
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diff
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|
615 } |
|
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
616 return pret; |
|
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|
617 } |
|
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Added auto detection functionality for sensors connected to the external interface:
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|
618 |
|
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Added auto detection functionality for sensors connected to the external interface:
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diff
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|
619 void externalInterface_AutodetectSensor() |
|
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diff
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|
620 { |
|
779
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diff
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|
621 static uint8_t sensorIndex = 0; |
|
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|
622 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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|
623 uint8_t index = 0; |
| 794 | 624 uint8_t cntSensor = 0; |
| 625 uint8_t cntUARTSensor = 0; | |
|
798
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|
626 #ifdef ENABLE_CO2_SUPPORT |
| 794 | 627 uint8_t cmdString[10]; |
| 628 uint8_t cmdLength = 0; | |
|
798
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diff
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|
629 #endif |
|
729
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Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
630 |
|
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|
631 if(externalAutoDetect != DETECTION_OFF) |
|
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|
632 { |
|
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diff
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|
633 switch(externalAutoDetect) |
|
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|
634 { |
| 804 | 635 case DETECTION_INIT: externalInterfaceMuxReqIntervall = 0; |
| 794 | 636 sensorIndex = 0; |
|
779
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diff
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|
637 uartMuxChannel = 0; |
| 731 | 638 tmpSensorMap[0] = SENSOR_OPTIC; |
| 639 tmpSensorMap[1] = SENSOR_OPTIC; | |
| 640 tmpSensorMap[2] = SENSOR_OPTIC; | |
|
729
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Added auto detection functionality for sensors connected to the external interface:
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|
641 tmpSensorMap[3] = SENSOR_NONE; |
|
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Added auto detection functionality for sensors connected to the external interface:
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|
642 tmpSensorMap[4] = SENSOR_NONE; |
| 804 | 643 tmpSensorMap[5] = SENSOR_NONE; |
| 644 tmpSensorMap[6] = SENSOR_NONE; | |
| 645 tmpSensorMap[7] = SENSOR_NONE; | |
|
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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|
646 |
| 794 | 647 memset(foundSensorMap, SENSOR_NONE, sizeof(foundSensorMap)); |
|
798
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|
648 memset(externalInterface_SensorState,UART_COMMON_INIT,sizeof(externalInterface_SensorState)); |
| 794 | 649 memset(Mux2ADCMap,0, sizeof(Mux2ADCMap)); |
| 781 | 650 |
| 731 | 651 if(externalInterfacePresent) |
| 652 { | |
| 653 externalInterface_SwitchPower33(0); | |
| 839 | 654 externalInterface_SwitchUART(EXT_INTERFACE_UART_OFF); |
| 731 | 655 for(index = 0; index < MAX_ADC_CHANNEL; index++) |
| 656 { | |
| 657 externalChannel_mV[index] = 0; | |
| 658 } | |
| 659 externalAutoDetect = DETECTION_START; | |
| 660 } | |
| 661 else | |
| 662 { | |
| 663 externalAutoDetect = DETECTION_DONE; /* without external interface O2 values may only be received via optical port => return default sensor map */ | |
| 664 } | |
|
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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|
665 break; |
| 731 | 666 case DETECTION_START: tmpSensorMap[0] = SENSOR_ANALOG; |
| 667 tmpSensorMap[1] = SENSOR_ANALOG; | |
| 668 tmpSensorMap[2] = SENSOR_ANALOG; | |
| 669 externalInterface_SwitchPower33(1); | |
| 670 externalInterface_SwitchADC(1); | |
| 671 externalAutoDetect = DETECTION_ANALOG1; | |
| 672 break; | |
| 673 case DETECTION_ANALOG1: externalAutoDetect = DETECTION_ANALOG2; /* do a second loop to make sure all adc channels could be processed */ | |
| 674 break; | |
| 675 case DETECTION_ANALOG2: for(index = 0; index < MAX_ADC_CHANNEL; index++) | |
|
729
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Added auto detection functionality for sensors connected to the external interface:
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|
676 { |
|
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|
677 if(externalChannel_mV[index] > MIN_ADC_VOLTAGE_MV) |
|
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Added auto detection functionality for sensors connected to the external interface:
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|
678 { |
|
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|
679 tmpSensorMap[sensorIndex++] = SENSOR_ANALOG; |
| 794 | 680 foundSensorMap[index] = SENSOR_ANALOG; |
|
729
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|
681 } |
|
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|
682 else |
|
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Added auto detection functionality for sensors connected to the external interface:
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|
683 { |
|
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|
684 tmpSensorMap[sensorIndex++] = SENSOR_NONE; |
|
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|
685 } |
|
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|
686 } |
| 804 | 687 externalInterfaceMuxReqIntervall = 1100; |
|
779
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|
688 externalAutoDetect = DETECTION_UARTMUX; |
| 839 | 689 externalInterface_SwitchUART(EXT_INTERFACE_UART_O2); |
| 794 | 690 UART_MUX_SelectAddress(MAX_MUX_CHANNEL); |
| 691 uartO2_SetChannel(MAX_MUX_CHANNEL); | |
| 692 activeUartChannel = MAX_MUX_CHANNEL; | |
| 693 tmpSensorMap[EXT_INTERFACE_SENSOR_CNT-1] = SENSOR_MUX; | |
|
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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diff
changeset
|
694 break; |
| 794 | 695 case DETECTION_UARTMUX: if(uartO2_isSensorConnected()) |
|
779
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Added UART multiplexer support for DiveO2:
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|
696 { |
|
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|
697 uartMuxChannel = 1; |
| 794 | 698 tmpSensorMap[EXT_INTERFACE_SENSOR_CNT-1] = SENSOR_MUX; |
| 699 foundSensorMap[EXT_INTERFACE_SENSOR_CNT-1] = SENSOR_MUX; | |
| 700 } | |
| 701 else | |
| 702 { | |
| 703 tmpSensorMap[EXT_INTERFACE_SENSOR_CNT-1] = SENSOR_NONE; | |
|
779
0b5f45448eb6
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|
704 } |
|
0b5f45448eb6
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|
705 externalAutoDetect = DETECTION_DIGO2_0; |
| 794 | 706 uartO2_SetChannel(0); |
| 707 activeUartChannel = 0; | |
| 708 tmpSensorMap[EXT_INTERFACE_MUX_OFFSET] = SENSOR_DIGO2; | |
|
798
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diff
changeset
|
709 externalInterface_SensorState[EXT_INTERFACE_MUX_OFFSET] = UART_COMMON_INIT; |
| 839 | 710 externalInterface_SwitchUART(EXT_INTERFACE_UART_O2); |
| 804 | 711 if(foundSensorMap[EXT_INTERFACE_SENSOR_CNT-1] == SENSOR_MUX) |
| 712 { | |
| 713 UART_MUX_SelectAddress(0); | |
| 714 } | |
|
779
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Added UART multiplexer support for DiveO2:
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parents:
753
diff
changeset
|
715 break; |
|
0b5f45448eb6
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diff
changeset
|
716 case DETECTION_DIGO2_0: |
|
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Added UART multiplexer support for DiveO2:
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753
diff
changeset
|
717 case DETECTION_DIGO2_1: |
| 781 | 718 case DETECTION_DIGO2_2: |
| 719 case DETECTION_DIGO2_3: | |
| 794 | 720 if(uartO2_isSensorConnected()) |
|
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
721 { |
| 794 | 722 foundSensorMap[externalAutoDetect - DETECTION_DIGO2_0 + EXT_INTERFACE_MUX_OFFSET] = SENSOR_DIGO2; |
| 781 | 723 } |
| 804 | 724 tmpSensorMap[EXT_INTERFACE_MUX_OFFSET] = SENSOR_NONE; |
|
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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diff
changeset
|
725 if(uartMuxChannel) |
|
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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parents:
753
diff
changeset
|
726 { |
| 839 | 727 externalInterface_SwitchUART(EXT_INTERFACE_UART_O2); |
| 794 | 728 UART_MUX_SelectAddress(uartMuxChannel); |
|
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
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diff
changeset
|
729 externalInterface_SensorState[uartMuxChannel + EXT_INTERFACE_MUX_OFFSET] = UART_COMMON_INIT; |
| 794 | 730 uartO2_SetChannel(uartMuxChannel); |
| 731 activeUartChannel = uartMuxChannel; | |
| 732 tmpSensorMap[uartMuxChannel - 1 + EXT_INTERFACE_MUX_OFFSET] = SENSOR_NONE; | |
| 733 tmpSensorMap[uartMuxChannel + EXT_INTERFACE_MUX_OFFSET] = SENSOR_DIGO2; | |
| 734 | |
| 735 if(uartMuxChannel < MAX_MUX_CHANNEL - 1) | |
| 784 | 736 { |
| 737 uartMuxChannel++; | |
| 738 } | |
|
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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parents:
753
diff
changeset
|
739 } |
|
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
parents:
753
diff
changeset
|
740 else |
|
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
parents:
753
diff
changeset
|
741 { |
| 781 | 742 externalAutoDetect = DETECTION_DIGO2_3; /* skip detection of other serial sensors */ |
|
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
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753
diff
changeset
|
743 } |
| 742 | 744 externalAutoDetect++; |
| 745 #ifdef ENABLE_CO2_SUPPORT | |
|
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
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parents:
794
diff
changeset
|
746 if(externalAutoDetect == DETECTION_CO2_0) |
|
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
parents:
753
diff
changeset
|
747 { |
| 809 | 748 tmpSensorMap[uartMuxChannel + EXT_INTERFACE_MUX_OFFSET] = SENSOR_NONE; |
| 749 if(foundSensorMap[EXT_INTERFACE_SENSOR_CNT-1] == SENSOR_MUX) | |
| 750 { | |
| 751 UART_MUX_SelectAddress(0); | |
| 752 } | |
|
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
753 activeUartChannel = 0; |
|
e9eba334b942
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parents:
794
diff
changeset
|
754 tmpSensorMap[uartMuxChannel - 1 + EXT_INTERFACE_MUX_OFFSET] = SENSOR_NONE; |
|
e9eba334b942
Migrated CO2 protocol implementation to new format:
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diff
changeset
|
755 uartMuxChannel = 1; |
|
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Migrated CO2 protocol implementation to new format:
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diff
changeset
|
756 tmpSensorMap[EXT_INTERFACE_MUX_OFFSET] = SENSOR_CO2; |
|
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794
diff
changeset
|
757 externalInterface_SensorState[EXT_INTERFACE_MUX_OFFSET] = UART_COMMON_INIT; |
| 809 | 758 externalInterface_CheckBaudrate(SENSOR_CO2); |
| 759 if(foundSensorMap[EXT_INTERFACE_SENSOR_CNT-1] == SENSOR_MUX) /* switch sensor operation mode depending on HW config */ | |
| 794 | 760 { |
|
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
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794
diff
changeset
|
761 uartCo2_SendCmd(CO2CMD_MODE_POLL, cmdString, &cmdLength); |
| 794 | 762 } |
| 763 else | |
| 764 { | |
|
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
765 uartCo2_SendCmd(CO2CMD_MODE_STREAM, cmdString, &cmdLength); |
| 794 | 766 } |
|
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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parents:
753
diff
changeset
|
767 } |
|
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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parents:
714
diff
changeset
|
768 break; |
|
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
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parents:
794
diff
changeset
|
769 case DETECTION_CO2_0: |
|
e9eba334b942
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parents:
794
diff
changeset
|
770 case DETECTION_CO2_1: |
|
e9eba334b942
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Ideenmodellierer
parents:
794
diff
changeset
|
771 case DETECTION_CO2_2: |
|
e9eba334b942
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parents:
794
diff
changeset
|
772 case DETECTION_CO2_3: if(uartCo2_isSensorConnected()) |
|
e9eba334b942
Migrated CO2 protocol implementation to new format:
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parents:
794
diff
changeset
|
773 { |
|
e9eba334b942
Migrated CO2 protocol implementation to new format:
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794
diff
changeset
|
774 foundSensorMap[EXT_INTERFACE_MUX_OFFSET + activeUartChannel] = SENSOR_CO2; |
|
e9eba334b942
Migrated CO2 protocol implementation to new format:
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794
diff
changeset
|
775 externalAutoDetect = DETECTION_DONE; /* only one CO2 sensor supported */ |
|
e9eba334b942
Migrated CO2 protocol implementation to new format:
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parents:
794
diff
changeset
|
776 } |
|
e9eba334b942
Migrated CO2 protocol implementation to new format:
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parents:
794
diff
changeset
|
777 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
|
778 { |
| 809 | 779 externalInterface_CheckBaudrate(SENSOR_DIGO2); |
|
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
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794
diff
changeset
|
780 UART_MUX_SelectAddress(uartMuxChannel); |
|
e9eba334b942
Migrated CO2 protocol implementation to new format:
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parents:
794
diff
changeset
|
781 activeUartChannel = uartMuxChannel; |
|
e9eba334b942
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794
diff
changeset
|
782 tmpSensorMap[uartMuxChannel - 1 + EXT_INTERFACE_MUX_OFFSET] = SENSOR_NONE; |
|
e9eba334b942
Migrated CO2 protocol implementation to new format:
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794
diff
changeset
|
783 tmpSensorMap[EXT_INTERFACE_MUX_OFFSET + uartMuxChannel] = SENSOR_CO2; |
|
e9eba334b942
Migrated CO2 protocol implementation to new format:
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794
diff
changeset
|
784 externalInterface_SensorState[EXT_INTERFACE_MUX_OFFSET + uartMuxChannel] = UART_COMMON_INIT; |
| 809 | 785 externalInterface_CheckBaudrate(SENSOR_CO2); |
|
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
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794
diff
changeset
|
786 uartCo2_SendCmd(CO2CMD_MODE_POLL, cmdString, &cmdLength); |
|
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
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794
diff
changeset
|
787 externalAutoDetect++; |
|
e9eba334b942
Migrated CO2 protocol implementation to new format:
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parents:
794
diff
changeset
|
788 uartMuxChannel++; |
|
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
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parents:
714
diff
changeset
|
789 } |
|
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
790 else |
|
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
791 { |
|
e9eba334b942
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parents:
794
diff
changeset
|
792 externalAutoDetect = DETECTION_DONE; |
|
e9eba334b942
Migrated CO2 protocol implementation to new format:
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parents:
794
diff
changeset
|
793 } |
| 742 | 794 #endif |
| 795 #ifdef ENABLE_SENTINEL_MODE | |
|
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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753
diff
changeset
|
796 if(externalAutoDetect == DETECTION_SENTINEL) |
|
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
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753
diff
changeset
|
797 { |
| 839 | 798 externalInterface_SwitchUART(EXT_INTERFACE_UART_SENTINEL); |
|
779
0b5f45448eb6
Added UART multiplexer support for DiveO2:
Ideenmodellierer
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753
diff
changeset
|
799 UART_StartDMA_Receiption(); |
|
0b5f45448eb6
Added UART multiplexer support for DiveO2:
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diff
changeset
|
800 } |
| 742 | 801 break; |
| 802 | |
| 803 case DETECTION_SENTINEL: | |
| 804 case DETECTION_SENTINEL2: | |
| 805 if(UART_isSentinelConnected()) | |
| 806 { | |
| 807 for(index = 0; index < 3; index++) /* Sentinel is occupiing all sensor slots */ | |
| 808 { | |
| 809 tmpSensorMap[index] = SENSOR_SENTINEL; | |
| 810 } | |
| 811 sensorIndex = 3; | |
| 812 } | |
| 813 externalAutoDetect++; | |
| 814 #endif | |
|
729
d646a0f724a7
Added auto detection functionality for sensors connected to the external interface:
Ideenmodellierer
parents:
714
diff
changeset
|
815 break; |
| 794 | 816 case DETECTION_DONE: externalAutoDetect = DETECTION_OFF; |
| 839 | 817 externalInterface_SwitchUART(EXT_INTERFACE_UART_OFF); |
| 794 | 818 activeUartChannel = 0xFF; |
| 819 cntSensor = 0; | |
| 820 cntUARTSensor = 0; | |
| 821 for(index = 0; index < EXT_INTERFACE_SENSOR_CNT-1; index++) | |
| 731 | 822 { |
|
798
e9eba334b942
Migrated CO2 protocol implementation to new format:
Ideenmodellierer
parents:
794
diff
changeset
|
823 if((foundSensorMap[index] >= SENSOR_ANALOG) && (foundSensorMap[index] < SENSOR_MUX)) |
| 794 | 824 { |
| 825 cntSensor++; | |
| 826 } | |
| 784 | 827 |
| 794 | 828 if((foundSensorMap[index] == SENSOR_DIGO2) || (foundSensorMap[index] == SENSOR_CO2)) |
| 829 { | |
| 830 cntUARTSensor++; | |
| 831 } | |
| 786 | 832 } |
| 804 | 833 externalInface_MapUartToLegacyADC(foundSensorMap); |
| 794 | 834 externalInterfaceMuxReqIntervall = 0xFFFF; |
| 835 if(cntSensor == 0) /* return default sensor map if no sensor at all has been detected */ | |
| 784 | 836 { |
| 794 | 837 foundSensorMap[0] = SENSOR_OPTIC; |
| 838 foundSensorMap[1] = SENSOR_OPTIC; | |
| 839 foundSensorMap[2] = SENSOR_OPTIC; | |
| 840 } | |
| 841 else | |
| 842 { | |
| 843 if(cntUARTSensor != 0) | |
| 784 | 844 { |
| 794 | 845 externalInterfaceMuxReqIntervall = REQUEST_INT_SENSOR_MS / cntUARTSensor; |
| 784 | 846 } |
| 847 } | |
| 794 | 848 memcpy(SensorMap, foundSensorMap, sizeof(foundSensorMap)); |
|
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849 memset(externalInterface_SensorState, UART_COMMON_INIT, sizeof(externalInterface_SensorState)); |
|
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850 break; |
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851 default: |
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852 break; |
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853 } |
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854 } |
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855 } |
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856 |
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857 |
| 662 | 858 void externalInterface_ExecuteCmd(uint16_t Cmd) |
| 859 { | |
| 860 char cmdString[10]; | |
| 861 uint8_t cmdLength = 0; | |
| 804 | 862 uint8_t index; |
| 794 | 863 uint8_t cntUARTSensor = 0; |
| 662 | 864 |
| 865 switch(Cmd & 0x00FF) /* lower byte is reserved for commands */ | |
| 866 { | |
|
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867 case EXT_INTERFACE_AUTODETECT: externalAutoDetect = DETECTION_INIT; |
| 742 | 868 for(index = 0; index < 3; index++) |
| 869 { | |
| 870 SensorMap[index] = SENSOR_SEARCH; | |
| 871 } | |
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872 break; |
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873 case EXT_INTERFACE_CO2_CALIB: for(index = 0; index < EXT_INTERFACE_SENSOR_CNT; index++) |
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874 { |
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875 if(SensorMap[index] == SENSOR_CO2) |
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876 { |
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877 externalInterface_SensorState[index] = UART_CO2_CALIBRATE; |
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878 break; |
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879 } |
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880 } |
| 662 | 881 break; |
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882 case EXT_INTERFACE_COPY_SENSORMAP: if(externalAutoDetect == DETECTION_OFF) |
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883 { |
| 794 | 884 memcpy(SensorMap, MasterSensorMap, sizeof(MasterSensorMap)); |
| 885 for(index = 0; index < EXT_INTERFACE_SENSOR_CNT; index++) | |
|
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886 { |
| 794 | 887 if((SensorMap[index] == SENSOR_DIGO2) || (SensorMap[index] == SENSOR_CO2)) |
| 888 { | |
| 889 cntUARTSensor++; | |
| 890 } | |
|
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891 } |
| 804 | 892 externalInface_MapUartToLegacyADC(SensorMap); |
| 794 | 893 if(cntUARTSensor > 0) |
| 894 { | |
| 895 externalInterfaceMuxReqIntervall = REQUEST_INT_SENSOR_MS / cntUARTSensor; | |
| 896 activeUartChannel = 0xFF; | |
| 897 } | |
| 898 else | |
| 899 { | |
| 900 externalInterfaceMuxReqIntervall = 0xFFFF; | |
| 901 } | |
|
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902 } |
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903 break; |
| 662 | 904 default: |
| 905 break; | |
| 906 } | |
| 907 if(cmdLength != 0) | |
| 908 { | |
| 909 HAL_UART_Transmit(&huart1,(uint8_t*)cmdString,cmdLength,10); | |
| 910 } | |
| 911 return; | |
| 912 } | |
| 913 | |
| 794 | 914 uint8_t ExternalInterface_SelectUsedMuxChannel(uint8_t currentChannel) |
| 915 { | |
| 916 uint8_t index = currentChannel; | |
| 917 uint8_t newChannel = index; | |
| 918 uint8_t *pmap = externalInterface_GetSensorMapPointer(0); | |
| 919 | |
| 920 do | |
| 921 { | |
| 922 index++; | |
| 923 if(index == MAX_MUX_CHANNEL) | |
| 924 { | |
| 925 index = 0; | |
| 926 } | |
| 927 if(((pmap[index + EXT_INTERFACE_MUX_OFFSET] == SENSOR_DIGO2) || (pmap[index + EXT_INTERFACE_MUX_OFFSET] == SENSOR_CO2)) | |
| 928 && (index != activeUartChannel)) | |
| 929 { | |
| 930 newChannel = index; | |
| 931 break; | |
| 932 } | |
| 933 } while(index != currentChannel); | |
| 934 | |
| 935 return newChannel; | |
| 936 } | |
| 937 | |
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938 void externalInterface_CheckBaudrate(uint8_t sensorType) |
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939 { |
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940 uint32_t newBaudrate = 0; |
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941 |
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942 switch(sensorType) |
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943 { |
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944 case SENSOR_CO2: newBaudrate = 9600; |
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945 break; |
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946 case SENSOR_DIGO2: |
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947 default: newBaudrate = 19200; |
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948 break; |
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949 } |
| 809 | 950 if(huart1.Init.BaudRate != newBaudrate) |
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951 { |
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952 UART_ChangeBaudrate(newBaudrate); |
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953 } |
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954 } |
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955 |
| 794 | 956 void externalInterface_HandleUART() |
| 957 { | |
| 958 static uint8_t retryRequest = 0; | |
| 959 static uint32_t lastRequestTick = 0; | |
| 960 static uint32_t TriggerTick = 0; | |
| 961 uint8_t index = 0; | |
| 962 static uint8_t timeToTrigger = 0; | |
| 963 uint32_t tick = HAL_GetTick(); | |
| 964 uint8_t *pmap = externalInterface_GetSensorMapPointer(0); | |
| 965 | |
| 966 | |
| 967 if(externalInterfaceMuxReqIntervall != 0xFFFF) | |
| 968 { | |
| 804 | 969 UART_ReadData(pmap[activeSensorId]); |
| 970 | |
| 971 if(activeUartChannel == 0xFF) | |
| 972 { | |
| 809 | 973 MX_USART1_UART_Init(); |
| 804 | 974 activeUartChannel = ExternalInterface_SelectUsedMuxChannel(0); |
| 975 uartO2_SetChannel(activeUartChannel); | |
| 976 | |
| 977 switch(pmap[activeUartChannel + EXT_INTERFACE_MUX_OFFSET]) | |
| 978 { | |
| 809 | 979 case SENSOR_CO2: externalInterface_CheckBaudrate(SENSOR_CO2); |
| 804 | 980 break; |
| 981 default: | |
| 809 | 982 case SENSOR_DIGO2: externalInterface_CheckBaudrate(SENSOR_DIGO2); |
| 804 | 983 break; |
| 984 } | |
| 985 if(pmap[EXT_INTERFACE_SENSOR_CNT-1] == SENSOR_MUX) | |
| 986 { | |
| 987 UART_MUX_SelectAddress(activeUartChannel); | |
| 988 } | |
| 989 } | |
| 990 | |
|
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991 if(externalInterface_SensorState[activeSensorId] == UART_COMMON_INIT) |
| 794 | 992 { |
| 993 lastRequestTick = tick; | |
| 994 TriggerTick = tick - 10; /* just to make sure control is triggered */ | |
| 995 timeToTrigger = 1; | |
| 996 retryRequest = 0; | |
| 997 } | |
| 998 else if(((retryRequest == 0) /* timeout or error */ | |
| 999 && (((time_elapsed_ms(lastRequestTick,tick) > (TIMEOUT_SENSOR_ANSWER)) && (externalInterface_SensorState[activeSensorId] != UART_O2_IDLE)) /* retry if no answer after half request interval */ | |
| 1000 || (externalInterface_SensorState[activeSensorId] == UART_O2_ERROR)))) | |
| 1001 { | |
| 1002 /* The channel switch will cause the sensor to respond with an error message. */ | |
| 1003 /* The sensor needs ~30ms to recover before he is ready to receive the next command => transmission delay needed */ | |
| 1004 | |
| 1005 TriggerTick = tick; | |
| 1006 timeToTrigger = COMMAND_TX_DELAY; | |
| 1007 retryRequest = 1; | |
| 1008 } | |
| 1009 | |
| 1010 else if(time_elapsed_ms(lastRequestTick,tick) > externalInterfaceMuxReqIntervall) /* switch sensor and / or trigger next request */ | |
| 1011 { | |
| 1012 lastRequestTick = tick; | |
| 1013 TriggerTick = tick; | |
| 1014 retryRequest = 0; | |
| 1015 timeToTrigger = 1; | |
| 1016 | |
| 1017 if((externalInterface_SensorState[activeSensorId] == UART_O2_REQ_O2) /* timeout */ | |
|
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1018 || (externalInterface_SensorState[activeSensorId] == UART_O2_REQ_RAW) |
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1019 || (externalInterface_SensorState[activeSensorId] == UART_CO2_OPERATING)) |
| 794 | 1020 { |
|
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1021 switch(pmap[activeSensorId]) |
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1022 { |
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1023 case SENSOR_DIGO2: setExternalInterfaceChannel(activeSensorId,0.0); |
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1024 break; |
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1025 case SENSOR_CO2: externalInterface_SetCO2Value(0.0); |
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1026 externalInterface_SetCO2State(0); |
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1027 break; |
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1028 default: |
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1029 break; |
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1030 } |
| 794 | 1031 } |
| 1032 | |
| 1033 if(pmap[EXT_INTERFACE_SENSOR_CNT-1] == SENSOR_MUX) /* select next sensor if mux is connected */ | |
| 1034 { | |
| 1035 if(activeUartChannel < MAX_MUX_CHANNEL) | |
| 1036 { | |
| 1037 index = ExternalInterface_SelectUsedMuxChannel(activeUartChannel); | |
| 1038 if(index != activeUartChannel) | |
| 1039 { | |
| 1040 timeToTrigger = 100; | |
| 1041 activeUartChannel = index; | |
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1042 if((pmap[index + EXT_INTERFACE_MUX_OFFSET] == SENSOR_DIGO2) |
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1043 || (pmap[index + EXT_INTERFACE_MUX_OFFSET] == SENSOR_CO2)) |
| 794 | 1044 { |
| 1045 uartO2_SetChannel(activeUartChannel); | |
|
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1046 externalInterface_CheckBaudrate(SENSOR_MUX); |
| 794 | 1047 UART_MUX_SelectAddress(activeUartChannel); |
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1048 externalInterface_CheckBaudrate(pmap[activeUartChannel + EXT_INTERFACE_MUX_OFFSET]); |
| 794 | 1049 } |
| 1050 } | |
| 1051 } | |
| 1052 } | |
| 1053 else | |
| 1054 { | |
| 1055 timeToTrigger = 1; | |
| 1056 } | |
| 1057 } | |
| 1058 if((timeToTrigger != 0) && (time_elapsed_ms(TriggerTick,tick) > timeToTrigger)) | |
| 1059 { | |
| 1060 timeToTrigger = 0; | |
| 1061 switch (pmap[activeSensorId]) | |
| 1062 { | |
| 1063 case SENSOR_MUX: | |
| 1064 case SENSOR_DIGO2: uartO2_Control(); | |
| 1065 break; | |
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1066 #ifdef ENABLE_CO2_SUPPORT |
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1067 case SENSOR_CO2: uartCo2_Control(); |
| 794 | 1068 break; |
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1069 #endif |
| 794 | 1070 default: |
| 1071 break; | |
| 1072 } | |
| 1073 } | |
| 1074 } | |
| 1075 | |
| 1076 | |
| 1077 | |
| 1078 #if 0 | |
| 1079 #ifdef ENABLE_SENTINEL_MODE | |
| 839 | 1080 if(externalInterface_GetUARTProtocol() & (EXT_INTERFACE_UART_SENTINEL)) |
| 794 | 1081 { |
| 1082 UART_HandleSentinelData(); | |
| 1083 } | |
| 1084 #endif | |
| 1085 #endif | |
| 1086 | |
| 1087 | |
| 1088 } |