Mercurial > public > ostc4
annotate Small_CPU/Src/uart.c @ 770:8deb28b2d4da
CCR overview in surface mode. Makes it easy to quickly check that all settings (mode, setpoints, diluent, scrubber timer) are correct when preparing to dive (also makes the OC gas list available in surface mode for the same reason).
| author | heinrichsweikamp |
|---|---|
| date | Fri, 21 Apr 2023 09:47:44 +0200 |
| parents | df0d43da1614 |
| children | 0b5f45448eb6 |
| rev | line source |
|---|---|
| 38 | 1 /** |
| 2 ****************************************************************************** | |
| 3 * @file uart.c | |
| 4 * @author heinrichs weikamp gmbh | |
| 5 * @version V0.0.1 | |
| 6 * @date 27-March-2014 | |
| 7 * @brief button control | |
| 8 * | |
| 9 @verbatim | |
| 10 ============================================================================== | |
| 11 ##### How to use ##### | |
| 12 ============================================================================== | |
| 13 @endverbatim | |
| 14 ****************************************************************************** | |
| 15 * @attention | |
| 16 * | |
| 17 * <h2><center>© COPYRIGHT(c) 2015 heinrichs weikamp</center></h2> | |
| 18 * | |
| 19 ****************************************************************************** | |
| 20 */ | |
| 21 /* Includes ------------------------------------------------------------------*/ | |
| 22 #include "uart.h" | |
| 662 | 23 #include "externalInterface.h" |
| 24 #include "data_exchange.h" | |
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25 #include <string.h> /* memset */ |
| 38 | 26 |
| 27 /* Private variables ---------------------------------------------------------*/ | |
| 28 | |
| 721 | 29 #define CHUNK_SIZE (25u) /* the DMA will handle chunk size transfers */ |
| 30 #define CHUNKS_PER_BUFFER (5u) | |
| 662 | 31 UART_HandleTypeDef huart1; |
| 32 | |
| 33 DMA_HandleTypeDef hdma_usart1_rx; | |
| 38 | 34 |
| 662 | 35 uint8_t rxBuffer[CHUNK_SIZE * CHUNKS_PER_BUFFER]; /* The complete buffer has a X * chunk size to allow fariations in buffer read time */ |
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36 static uint8_t rxWriteIndex; /* Index of the data item which is analysed */ |
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37 static uint8_t rxReadIndex; /* Index at which new data is stared */ |
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38 static uint8_t lastCmdIndex; /* Index of last command which has not been completly received */ |
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39 static uint8_t dmaActive; /* Indicator if DMA reception needs to be started */ |
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40 static uint8_t digO2Connected = 0; /* Binary indicator if a sensor is connected or not */ |
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41 static uint8_t CO2Connected = 0; /* Binary indicator if a sensor is connected or not */ |
| 742 | 42 static uint8_t SentinelConnected = 0; /* Binary indicator if a sensor is connected or not */ |
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43 static uint8_t ppO2TargetChannel = 0; /* The OSTC4 supports three slots for visualization of the ppo2. This one is reserved for the digital sensor */ |
| 38 | 44 |
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45 static SSensorDataDiveO2 sensorDataDiveO2; /* intermediate storage for additional sensor data */ |
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46 |
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47 char tmpRxBuf[30]; |
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48 uint8_t tmpRxIdx = 0; |
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49 |
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50 static uartO2Status_t Comstatus_O2 = UART_O2_INIT; |
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51 |
| 662 | 52 float LED_Level = 0.0; /* Normalized LED value which may be used as indication for the health status of the sensor */ |
| 53 float LED_ZeroOffset = 0.0; | |
| 54 float pCO2 = 0.0; | |
| 38 | 55 /* Exported functions --------------------------------------------------------*/ |
| 56 | |
| 662 | 57 void MX_USART1_UART_Init(void) |
| 38 | 58 { |
| 662 | 59 /* regular init */ |
| 60 | |
| 61 huart1.Instance = USART1; | |
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62 |
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63 if(externalInterface_GetUARTProtocol() == 0x04) |
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64 { |
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65 huart1.Init.BaudRate = 19200; |
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66 Comstatus_O2 = UART_O2_INIT; |
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67 } |
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68 else |
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69 { |
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70 huart1.Init.BaudRate = 9600; |
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71 } |
| 662 | 72 huart1.Init.WordLength = UART_WORDLENGTH_8B; |
| 73 huart1.Init.StopBits = UART_STOPBITS_1; | |
| 74 huart1.Init.Parity = UART_PARITY_NONE; | |
| 75 huart1.Init.Mode = UART_MODE_TX_RX; | |
| 76 huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE; | |
| 77 huart1.Init.OverSampling = UART_OVERSAMPLING_16; | |
| 78 | |
| 79 HAL_UART_Init(&huart1); | |
| 80 | |
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81 MX_USART1_DMA_Init(); |
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82 |
| 731 | 83 memset(rxBuffer,0,sizeof(rxBuffer)); |
| 662 | 84 rxReadIndex = 0; |
| 85 lastCmdIndex = 0; | |
| 86 rxWriteIndex = 0; | |
| 87 dmaActive = 0; | |
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88 digO2Connected = 0; |
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89 CO2Connected = 0; |
| 742 | 90 SentinelConnected = 0; |
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91 Comstatus_O2 = UART_O2_INIT; |
| 662 | 92 } |
| 38 | 93 |
| 662 | 94 void MX_USART1_UART_DeInit(void) |
| 95 { | |
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96 HAL_DMA_Abort(&hdma_usart1_rx); |
| 662 | 97 HAL_DMA_DeInit(&hdma_usart1_rx); |
| 98 HAL_UART_DeInit(&huart1); | |
| 99 } | |
| 100 | |
| 101 void MX_USART1_DMA_Init() | |
| 102 { | |
| 103 /* DMA controller clock enable */ | |
| 104 __DMA2_CLK_ENABLE(); | |
| 105 | |
| 106 /* Peripheral DMA init*/ | |
| 107 hdma_usart1_rx.Instance = DMA2_Stream5; | |
| 108 hdma_usart1_rx.Init.Channel = DMA_CHANNEL_4; | |
| 109 hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; //DMA_MEMORY_TO_PERIPH; | |
| 110 hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE; | |
| 111 hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE; | |
| 112 hdma_usart1_rx.Init.PeriphDataAlignment = DMA_MDATAALIGN_BYTE; | |
| 113 hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; | |
| 114 hdma_usart1_rx.Init.Mode = DMA_NORMAL; | |
| 115 hdma_usart1_rx.Init.Priority = DMA_PRIORITY_LOW; | |
| 116 hdma_usart1_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; | |
| 117 HAL_DMA_Init(&hdma_usart1_rx); | |
| 118 | |
| 119 __HAL_LINKDMA(&huart1,hdmarx,hdma_usart1_rx); | |
| 120 | |
| 121 /* DMA interrupt init */ | |
| 122 HAL_NVIC_SetPriority(DMA2_Stream5_IRQn, 0, 0); | |
| 123 HAL_NVIC_EnableIRQ(DMA2_Stream5_IRQn); | |
| 38 | 124 } |
| 125 | |
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126 |
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127 void DigitalO2_SetupCmd(uint8_t O2State, uint8_t *cmdString, uint8_t *cmdLength) |
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128 { |
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129 switch (O2State) |
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130 { |
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131 case UART_O2_CHECK: *cmdLength = snprintf((char*)cmdString, 10, "#LOGO"); |
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132 break; |
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133 case UART_O2_REQ_INFO: *cmdLength = snprintf((char*)cmdString, 10, "#VERS"); |
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134 break; |
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135 case UART_O2_REQ_ID: *cmdLength = snprintf((char*)cmdString, 10, "#IDNR"); |
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136 break; |
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137 case UART_O2_REQ_O2: *cmdLength = snprintf((char*)cmdString, 10, "#DOXY"); |
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138 break; |
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139 case UART_O2_REQ_RAW: *cmdLength = snprintf((char*)cmdString, 10, "#DRAW"); |
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140 break; |
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141 default: *cmdLength = 0; |
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142 break; |
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143 } |
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144 if(*cmdLength != 0) |
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145 { |
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146 cmdString[*cmdLength] = 0x0D; |
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147 *cmdLength = *cmdLength + 1; |
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148 } |
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149 } |
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150 |
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151 void StringToInt(char *pstr, uint32_t *puInt32) |
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152 { |
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153 uint8_t index = 0; |
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154 uint32_t result = 0; |
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155 while((pstr[index] >= '0') && (pstr[index] <= '9')) |
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156 { |
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157 result *=10; |
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158 result += pstr[index] - '0'; |
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159 index++; |
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160 } |
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161 *puInt32 = result; |
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162 } |
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163 |
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164 void StringToUInt64(char *pstr, uint64_t *puint64) |
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165 { |
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166 uint8_t index = 0; |
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167 uint64_t result = 0; |
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168 while((pstr[index] >= '0') && (pstr[index] <= '9')) |
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169 { |
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170 result *=10; |
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171 result += pstr[index] - '0'; |
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172 index++; |
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173 } |
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174 *puint64 = result; |
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175 } |
| 690 | 176 void ConvertByteToHexString(uint8_t byte, char* str) |
| 177 { | |
| 178 uint8_t worker = 0; | |
| 179 uint8_t digit = 0; | |
| 180 uint8_t digitCnt = 1; | |
| 38 | 181 |
| 690 | 182 worker = byte; |
| 183 while((worker!=0) && (digitCnt != 255)) | |
| 184 { | |
| 185 digit = worker % 16; | |
| 186 if( digit < 10) | |
| 187 { | |
| 188 digit += '0'; | |
| 189 } | |
| 190 else | |
| 191 { | |
| 192 digit += 'A' - 10; | |
| 193 } | |
| 194 str[digitCnt--]= digit; | |
| 195 worker = worker / 16; | |
| 196 } | |
| 197 } | |
| 662 | 198 |
| 742 | 199 void UART_StartDMA_Receiption() |
| 200 { | |
| 201 if(HAL_OK == HAL_UART_Receive_DMA (&huart1, &rxBuffer[rxWriteIndex], CHUNK_SIZE)) | |
| 202 { | |
| 203 dmaActive = 1; | |
| 204 } | |
| 205 } | |
| 690 | 206 |
| 207 #ifdef ENABLE_CO2_SUPPORT | |
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208 void UART_HandleCO2Data(void) |
| 38 | 209 { |
| 662 | 210 uint8_t localRX = rxReadIndex; |
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211 static uint8_t dataType = 0; |
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212 static uint32_t dataValue = 0; |
| 662 | 213 static receiveState_t rxState = RX_Ready; |
| 214 static uint32_t lastReceiveTick = 0; | |
| 215 | |
| 725 | 216 |
| 217 while((rxBuffer[localRX]!=0)) | |
| 662 | 218 { |
| 219 lastReceiveTick = HAL_GetTick(); | |
| 220 if(rxState == RX_Ready) /* identify data content */ | |
| 221 { | |
| 222 switch(rxBuffer[localRX]) | |
| 223 { | |
| 224 case 'l': | |
| 225 case 'D': | |
| 226 case 'Z': | |
| 227 dataType = rxBuffer[localRX]; | |
| 228 rxState = RX_Data0; | |
| 229 dataValue = 0; | |
| 230 break; | |
| 231 | |
| 232 default: /* unknown or corrupted => ignore */ | |
| 233 break; | |
| 234 } | |
| 235 } | |
| 725 | 236 else if((rxBuffer[localRX] >= '0') && (rxBuffer[localRX] <= '9')) |
| 662 | 237 { |
| 725 | 238 if((rxState >= RX_Data0) && (rxState <= RX_Data4)) |
| 662 | 239 { |
| 240 dataValue = dataValue * 10 + (rxBuffer[localRX] - '0'); | |
| 241 rxState++; | |
| 725 | 242 if(rxState == RX_Data5) |
| 243 { | |
| 244 rxState = RX_DataComplete; | |
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245 CO2Connected = 1; |
| 725 | 246 } |
| 247 } | |
| 248 else /* protocol error data has max 5 digits */ | |
| 249 { | |
| 250 rxState = RX_Ready; | |
| 662 | 251 } |
| 252 } | |
| 253 if((rxBuffer[localRX] == ' ') || (rxBuffer[localRX] == '\n')) /* Abort data detection */ | |
| 254 { | |
| 255 if(rxState == RX_DataComplete) | |
| 256 { | |
| 257 if(externalInterface_GetCO2State() == 0) | |
| 258 { | |
| 259 externalInterface_SetCO2State(EXT_INTERFACE_33V_ON); | |
| 260 } | |
| 261 switch(dataType) | |
| 262 { | |
| 263 case 'D': externalInterface_SetCO2SignalStrength(dataValue); | |
| 264 break; | |
| 265 case 'l': LED_ZeroOffset = dataValue; | |
| 266 break; | |
| 267 case 'Z': externalInterface_SetCO2Value(dataValue); | |
| 268 break; | |
|
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269 default: rxState = RX_Ready; |
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270 break; |
| 662 | 271 } |
| 272 } | |
| 273 if(rxState != RX_Data0) /* reset state machine because message in wrong format */ | |
| 274 { | |
| 275 rxState = RX_Ready; | |
| 276 } | |
| 277 } | |
| 742 | 278 rxBuffer[localRX] = 0; |
| 662 | 279 localRX++; |
| 280 rxReadIndex++; | |
| 281 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
| 282 { | |
| 283 localRX = 0; | |
| 284 rxReadIndex = 0; | |
| 285 } | |
| 286 } | |
| 287 | |
| 288 if(time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 2000) /* check for communication timeout */ | |
| 289 { | |
| 290 externalInterface_SetCO2State(0); | |
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291 CO2Connected = 0; |
| 662 | 292 } |
| 293 | |
| 294 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ | |
| 295 { | |
| 742 | 296 UART_StartDMA_Receiption(); |
| 662 | 297 } |
| 38 | 298 } |
| 690 | 299 #endif |
| 300 | |
| 301 #ifdef ENABLE_SENTINEL_MODE | |
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302 void UART_HandleSentinelData(void) |
| 690 | 303 { |
| 304 uint8_t localRX = rxReadIndex; | |
| 305 static uint8_t dataType = 0; | |
| 306 static uint32_t dataValue[3]; | |
| 307 static uint8_t dataValueIdx = 0; | |
| 308 static receiveState_t rxState = RX_Ready; | |
| 309 static uint32_t lastReceiveTick = 0; | |
| 310 static uint8_t lastAlive = 0; | |
| 311 static uint8_t curAlive = 0; | |
| 312 static uint8_t checksum = 0; | |
| 742 | 313 static char checksum_str[]="00"; |
| 690 | 314 |
| 742 | 315 while((rxBuffer[localRX]!=0)) |
| 690 | 316 { |
| 317 lastReceiveTick = HAL_GetTick(); | |
| 318 | |
| 319 switch(rxState) | |
| 320 { | |
| 321 case RX_Ready: if((rxBuffer[localRX] >= 'a') && (rxBuffer[localRX] <= 'z')) | |
| 322 { | |
| 323 rxState = RX_DetectStart; | |
| 324 curAlive = rxBuffer[localRX]; | |
| 325 checksum = 0; | |
| 326 } | |
| 327 break; | |
| 328 | |
| 329 case RX_DetectStart: checksum += rxBuffer[localRX]; | |
| 330 if(rxBuffer[localRX] == '1') | |
| 331 { | |
| 332 rxState = RX_SelectData; | |
| 333 dataType = 0xFF; | |
| 334 | |
| 335 } | |
| 336 else | |
| 337 { | |
| 338 rxState = RX_Ready; | |
| 339 } | |
| 340 break; | |
| 341 | |
| 342 case RX_SelectData: checksum += rxBuffer[localRX]; | |
| 343 switch(rxBuffer[localRX]) | |
| 344 { | |
| 345 case 'T': dataType = rxBuffer[localRX]; | |
| 346 break; | |
| 347 case '0': if(dataType != 0xff) | |
| 348 { | |
| 349 rxState = RX_Data0; | |
| 350 dataValueIdx = 0; | |
| 351 dataValue[0] = 0; | |
| 352 | |
| 353 } | |
| 354 else | |
| 355 { | |
| 356 rxState = RX_Ready; | |
| 357 } | |
| 358 break; | |
| 359 default: rxState = RX_Ready; | |
| 360 } | |
| 361 break; | |
| 362 | |
| 363 case RX_Data0: | |
| 364 case RX_Data1: | |
| 365 case RX_Data2: | |
| 366 case RX_Data4: | |
| 367 case RX_Data5: | |
| 368 case RX_Data6: | |
| 369 case RX_Data8: | |
| 370 case RX_Data9: | |
| 371 case RX_Data10: checksum += rxBuffer[localRX]; | |
| 372 if((rxBuffer[localRX] >= '0') && (rxBuffer[localRX] <= '9')) | |
| 373 { | |
| 374 dataValue[dataValueIdx] = dataValue[dataValueIdx] * 10 + (rxBuffer[localRX] - '0'); | |
| 375 rxState++; | |
| 376 } | |
| 377 else | |
| 378 { | |
| 379 rxState = RX_Ready; | |
| 380 } | |
| 381 break; | |
| 382 | |
| 383 case RX_Data3: | |
| 384 case RX_Data7: checksum += rxBuffer[localRX]; | |
| 385 if(rxBuffer[localRX] == '0') | |
| 386 { | |
| 387 rxState++; | |
| 388 dataValueIdx++; | |
| 389 dataValue[dataValueIdx] = 0; | |
| 390 } | |
| 391 else | |
| 392 { | |
| 393 rxState = RX_Ready; | |
| 394 } | |
| 395 break; | |
| 396 case RX_Data11: rxState = RX_DataComplete; | |
| 397 ConvertByteToHexString(checksum,checksum_str); | |
| 398 if(rxBuffer[localRX] == checksum_str[0]) | |
| 399 { | |
| 400 rxState = RX_DataComplete; | |
| 401 } | |
| 402 else | |
| 403 { | |
| 404 rxState = RX_Ready; | |
| 405 } | |
| 406 | |
| 407 break; | |
| 408 | |
| 409 case RX_DataComplete: if(rxBuffer[localRX] == checksum_str[1]) | |
| 410 { | |
| 411 setExternalInterfaceChannel(0,(float)(dataValue[0] / 10.0)); | |
| 412 setExternalInterfaceChannel(1,(float)(dataValue[1] / 10.0)); | |
| 413 setExternalInterfaceChannel(2,(float)(dataValue[2] / 10.0)); | |
| 742 | 414 SentinelConnected = 1; |
| 690 | 415 } |
| 416 rxState = RX_Ready; | |
| 417 break; | |
| 418 | |
| 419 | |
| 420 default: rxState = RX_Ready; | |
| 421 break; | |
| 422 | |
| 423 } | |
| 424 localRX++; | |
| 425 rxReadIndex++; | |
| 426 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
| 427 { | |
| 428 localRX = 0; | |
| 429 rxReadIndex = 0; | |
| 430 } | |
| 431 } | |
| 432 | |
| 433 if(time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 4000) /* check for communication timeout */ | |
| 434 { | |
| 435 if(curAlive == lastAlive) | |
| 436 { | |
| 437 setExternalInterfaceChannel(0,0.0); | |
| 438 setExternalInterfaceChannel(1,0.0); | |
| 439 setExternalInterfaceChannel(2,0.0); | |
| 742 | 440 SentinelConnected = 0; |
| 690 | 441 } |
| 442 lastAlive = curAlive; | |
| 443 } | |
| 444 | |
| 445 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ | |
| 446 { | |
| 742 | 447 UART_StartDMA_Receiption(); |
| 690 | 448 } |
| 449 } | |
| 450 #endif | |
| 38 | 451 |
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452 |
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453 |
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454 void UART_HandleDigitalO2(void) |
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455 { |
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456 static uint32_t lastO2ReqTick = 0; |
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457 |
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458 static uartO2RxState_t rxState = O2RX_IDLE; |
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459 static uint32_t lastReceiveTick = 0; |
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460 static uint8_t lastAlive = 0; |
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461 static uint8_t curAlive = 0; |
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462 |
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463 static uint8_t cmdLength = 0; |
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464 static uint8_t cmdString[10]; |
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465 static uint8_t cmdReadIndex = 0; |
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466 |
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467 uint32_t tmpO2 = 0; |
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468 uint32_t tmpData = 0; |
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469 uint8_t localRX = rxReadIndex; |
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470 uint32_t tick = HAL_GetTick(); |
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471 |
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472 |
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473 if(Comstatus_O2 == UART_O2_INIT) |
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474 { |
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475 memset((char*)&rxBuffer[rxWriteIndex],(int)0,CHUNK_SIZE); |
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476 memset((char*) &sensorDataDiveO2, 0, sizeof(sensorDataDiveO2)); |
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477 externalInterface_SetSensorData(0,(uint8_t*)&sensorDataDiveO2); |
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478 |
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479 lastAlive = 0; |
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480 curAlive = 0; |
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481 |
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482 Comstatus_O2 = UART_O2_CHECK; |
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483 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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484 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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485 |
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486 rxState = O2RX_CONFIRM; |
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487 cmdReadIndex = 0; |
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488 lastO2ReqTick = tick; |
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489 |
| 742 | 490 UART_StartDMA_Receiption(); |
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491 } |
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492 if(time_elapsed_ms(lastO2ReqTick,tick) > 1000) /* repeat request once per second */ |
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493 { |
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494 lastO2ReqTick = tick; |
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495 if(Comstatus_O2 == UART_O2_IDLE) /* cyclic request of o2 value */ |
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496 { |
| 721 | 497 Comstatus_O2 = UART_O2_REQ_RAW; |
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498 rxState = O2RX_CONFIRM; |
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499 } |
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500 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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501 |
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502 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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503 } |
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504 |
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505 while((rxBuffer[localRX]!=0)) |
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506 { |
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507 |
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508 lastReceiveTick = tick; |
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509 switch(rxState) |
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510 { |
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511 case O2RX_CONFIRM: if(rxBuffer[localRX] == '#') |
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512 { |
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513 cmdReadIndex = 0; |
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514 } |
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515 if(rxBuffer[localRX] == cmdString[cmdReadIndex]) |
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516 { |
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517 cmdReadIndex++; |
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518 if(cmdReadIndex == cmdLength - 1) |
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519 { |
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520 digO2Connected = 1; |
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521 tmpRxIdx = 0; |
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522 memset((char*) tmpRxBuf, 0, sizeof(tmpRxBuf)); |
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523 switch (Comstatus_O2) |
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524 { |
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525 case UART_O2_CHECK: Comstatus_O2 = UART_O2_REQ_ID; |
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526 rxState = O2RX_CONFIRM; |
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527 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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528 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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529 break; |
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530 case UART_O2_REQ_ID: rxState = O2RX_GETNR; |
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531 break; |
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532 case UART_O2_REQ_INFO: rxState = O2RX_GETTYPE; |
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533 break; |
| 721 | 534 case UART_O2_REQ_RAW: |
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535 case UART_O2_REQ_O2: rxState = O2RX_GETO2; |
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536 break; |
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537 default: Comstatus_O2 = UART_O2_IDLE; |
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538 rxState = O2RX_IDLE; |
|
f1b40364b0af
Added protocol functions for UART DiveO2 sensor:
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|
539 break; |
|
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540 } |
|
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Added protocol functions for UART DiveO2 sensor:
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541 } |
|
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Added protocol functions for UART DiveO2 sensor:
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542 } |
|
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Added protocol functions for UART DiveO2 sensor:
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|
543 break; |
|
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Added protocol functions for UART DiveO2 sensor:
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|
544 |
|
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Added protocol functions for UART DiveO2 sensor:
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|
545 case O2RX_GETSTATUS: |
|
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|
546 case O2RX_GETTEMP: |
|
f1b40364b0af
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|
547 case O2RX_GETTYPE: |
|
f1b40364b0af
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|
548 case O2RX_GETVERSION: |
|
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|
549 case O2RX_GETCHANNEL: |
|
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diff
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|
550 case O2RX_GETSUBSENSORS: |
|
f1b40364b0af
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|
551 case O2RX_GETO2: |
| 721 | 552 case O2RX_GETNR: |
| 553 case O2RX_GETDPHI: | |
| 554 case O2RX_INTENSITY: | |
| 555 case O2RX_AMBIENTLIGHT: | |
| 556 case O2RX_PRESSURE: | |
| 557 case O2RX_HUMIDITY: | |
| 558 if(rxBuffer[localRX] != 0x0D) | |
|
704
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|
559 { |
|
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|
560 if(rxBuffer[localRX] != ' ') |
|
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|
561 { |
|
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|
562 tmpRxBuf[tmpRxIdx++] = rxBuffer[localRX]; |
|
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|
563 } |
|
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|
564 else |
|
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|
565 { |
|
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|
566 if(tmpRxIdx != 0) |
|
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|
567 { |
|
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|
568 switch(rxState) |
|
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|
569 { |
|
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|
570 case O2RX_GETCHANNEL: StringToInt(tmpRxBuf,&tmpData); |
|
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571 rxState = O2RX_GETVERSION; |
|
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|
572 break; |
|
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|
573 case O2RX_GETVERSION: StringToInt(tmpRxBuf,&tmpData); |
|
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|
574 rxState = O2RX_GETSUBSENSORS; |
|
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|
575 break; |
|
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|
576 case O2RX_GETTYPE: StringToInt(tmpRxBuf,&tmpData); |
|
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|
577 rxState = O2RX_GETCHANNEL; |
|
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|
578 break; |
|
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|
579 |
|
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|
580 case O2RX_GETO2: StringToInt(tmpRxBuf,&tmpO2); |
|
729
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|
581 setExternalInterfaceChannel(ppO2TargetChannel,(float)(tmpO2 / 10000.0)); |
|
704
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|
582 rxState = O2RX_GETTEMP; |
|
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|
583 break; |
|
714
045ff7800501
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|
584 case O2RX_GETTEMP: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.temperature); |
|
045ff7800501
Added customizable data area for specific sensor data:
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|
585 rxState = O2RX_GETSTATUS; |
|
704
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|
586 break; |
| 721 | 587 case O2RX_GETSTATUS: StringToInt(tmpRxBuf,&sensorDataDiveO2.status); /* raw data cycle */ |
| 588 rxState = O2RX_GETDPHI; | |
| 589 break; | |
| 590 case O2RX_GETDPHI: /* ignored to save memory and most likly irrelevant for diver */ | |
| 591 rxState = O2RX_INTENSITY; | |
| 592 break; | |
| 593 case O2RX_INTENSITY: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.intensity); /* raw data cycle */ | |
| 594 rxState = O2RX_AMBIENTLIGHT; | |
| 595 break; | |
| 596 case O2RX_AMBIENTLIGHT: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.ambient); /* raw data cycle */ | |
| 597 rxState = O2RX_PRESSURE; | |
| 598 break; | |
| 599 case O2RX_PRESSURE: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.pressure); /* raw data cycle */ | |
| 600 rxState = O2RX_HUMIDITY; | |
| 601 break; | |
|
704
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|
602 default: |
|
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|
603 break; |
|
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|
604 } |
|
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|
605 memset((char*) tmpRxBuf, 0, tmpRxIdx); |
|
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|
606 tmpRxIdx = 0; |
|
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|
607 } |
|
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|
608 } |
|
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609 } |
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|
610 else |
|
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|
611 { |
|
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|
612 switch (rxState) |
|
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|
613 { |
|
714
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diff
changeset
|
614 case O2RX_GETSTATUS: StringToInt(tmpRxBuf,&sensorDataDiveO2.status); |
|
045ff7800501
Added customizable data area for specific sensor data:
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diff
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|
615 externalInterface_SetSensorData(1,(uint8_t*)&sensorDataDiveO2); |
|
704
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diff
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|
616 Comstatus_O2 = UART_O2_IDLE; |
|
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|
617 rxState = O2RX_IDLE; |
|
f1b40364b0af
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|
618 break; |
|
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diff
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|
619 case O2RX_GETSUBSENSORS: StringToInt(tmpRxBuf,&tmpData); |
|
f1b40364b0af
Added protocol functions for UART DiveO2 sensor:
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|
620 Comstatus_O2 = UART_O2_IDLE; |
|
f1b40364b0af
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|
621 rxState = O2RX_IDLE; |
|
f1b40364b0af
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|
622 break; |
| 721 | 623 case O2RX_HUMIDITY: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.humidity); /* raw data cycle */ |
| 624 externalInterface_SetSensorData(1,(uint8_t*)&sensorDataDiveO2); | |
| 625 Comstatus_O2 = UART_O2_IDLE; | |
| 626 rxState = O2RX_IDLE; | |
| 627 break; | |
|
714
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|
628 case O2RX_GETNR: StringToUInt64((char*)tmpRxBuf,&sensorDataDiveO2.sensorId); |
|
704
f1b40364b0af
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|
629 /* no break */ |
|
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|
630 default: Comstatus_O2 = UART_O2_IDLE; |
|
f1b40364b0af
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|
631 rxState = O2RX_IDLE; |
|
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|
632 break; |
|
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|
633 } |
|
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|
634 } |
|
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|
635 break; |
|
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|
636 default: rxState = O2RX_IDLE; |
|
f1b40364b0af
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|
637 break; |
|
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|
638 |
|
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|
639 } |
|
729
d646a0f724a7
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|
640 rxBuffer[localRX] = 0; |
|
704
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|
641 localRX++; |
|
f1b40364b0af
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changeset
|
642 rxReadIndex++; |
|
f1b40364b0af
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|
643 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) |
|
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|
644 { |
|
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diff
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|
645 localRX = 0; |
|
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|
646 rxReadIndex = 0; |
|
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|
647 } |
|
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|
648 } |
|
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|
649 |
|
729
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|
650 if((digO2Connected) && time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 4000) /* check for communication timeout */ |
|
704
f1b40364b0af
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|
651 { |
|
729
d646a0f724a7
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diff
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|
652 digO2Connected = 0; |
|
704
f1b40364b0af
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diff
changeset
|
653 if(curAlive == lastAlive) |
|
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|
654 { |
|
729
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|
655 setExternalInterfaceChannel(ppO2TargetChannel,0.0); |
|
704
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|
656 } |
|
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|
657 lastAlive = curAlive; |
|
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diff
changeset
|
658 } |
|
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changeset
|
659 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ |
|
f1b40364b0af
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|
660 { |
| 742 | 661 UART_StartDMA_Receiption(); |
|
704
f1b40364b0af
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|
662 } |
|
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|
663 } |
|
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|
664 |
|
729
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|
665 uint8_t UART_isDigO2Connected() |
|
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|
666 { |
|
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changeset
|
667 return digO2Connected; |
|
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|
668 } |
|
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|
669 uint8_t UART_isCO2Connected() |
|
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Added auto detection functionality for sensors connected to the external interface:
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|
670 { |
|
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|
671 return CO2Connected; |
|
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Added auto detection functionality for sensors connected to the external interface:
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|
672 } |
| 742 | 673 uint8_t UART_isSentinelConnected() |
| 674 { | |
| 675 return SentinelConnected; | |
| 676 } | |
|
729
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725
diff
changeset
|
677 |
|
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|
678 void UART_setTargetChannel(uint8_t channel) |
|
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Added auto detection functionality for sensors connected to the external interface:
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|
679 { |
|
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|
680 ppO2TargetChannel = channel; |
|
d646a0f724a7
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|
681 } |
|
704
f1b40364b0af
Added protocol functions for UART DiveO2 sensor:
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|
682 |
| 662 | 683 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) |
| 38 | 684 { |
| 662 | 685 if(huart == &huart1) |
| 686 { | |
| 687 dmaActive = 0; | |
| 688 rxWriteIndex+=CHUNK_SIZE; | |
| 689 if(rxWriteIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
| 690 { | |
| 691 rxWriteIndex = 0; | |
| 692 } | |
| 693 if((rxWriteIndex / CHUNK_SIZE) != (rxReadIndex / CHUNK_SIZE)) /* start next transfer if we did not catch up with read index */ | |
| 694 { | |
| 695 if(externalInterface_isEnabledPower33()) | |
| 696 { | |
|
704
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|
697 memset((char*)&rxBuffer[rxWriteIndex],(int)0,CHUNK_SIZE); |
| 742 | 698 UART_StartDMA_Receiption(); |
| 662 | 699 } |
| 700 } | |
| 701 } | |
| 38 | 702 } |
| 703 | |
| 704 | |
| 662 | 705 |
| 38 | 706 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/ |