Mercurial > public > ostc4
annotate Small_CPU/Src/uart.c @ 728:5143e927219f
Added sensor map to Firmware <=> RTE inferface:
The sensor map contains a list of up to five sensors which may be connected to the external interface. The update includes the definition of the type as well as the data structure. to ensure compatibility the RTE and needed RTE version has been set to 3.0
| author | Ideenmodellierer |
|---|---|
| date | Sat, 14 Jan 2023 20:41:36 +0100 |
| parents | 621265ec3d23 |
| children | d646a0f724a7 |
| 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 */ |
| 36 static uint8_t rxWriteIndex; /* Index of the data item which is analysed */ | |
| 37 static uint8_t rxReadIndex; /* Index at which new data is stared */ | |
| 38 static uint8_t lastCmdIndex; /* Index of last command which has not been completly received */ | |
| 39 static uint8_t dmaActive; /* Indicator if DMA receiption needs to be started */ | |
| 38 | 40 |
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41 static SSensorDataDiveO2 sensorDataDiveO2; /* intermediate storage for additional sensor data */ |
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42 |
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43 char tmpRxBuf[30]; |
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44 uint8_t tmpRxIdx = 0; |
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45 |
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46 static uartO2Status_t Comstatus_O2 = UART_O2_INIT; |
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47 |
| 662 | 48 float LED_Level = 0.0; /* Normalized LED value which may be used as indication for the health status of the sensor */ |
| 49 float LED_ZeroOffset = 0.0; | |
| 50 float pCO2 = 0.0; | |
| 38 | 51 /* Exported functions --------------------------------------------------------*/ |
| 52 | |
| 662 | 53 void MX_USART1_UART_Init(void) |
| 38 | 54 { |
| 662 | 55 /* regular init */ |
| 56 | |
| 57 huart1.Instance = USART1; | |
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58 |
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59 if(externalInterface_GetUARTProtocol() == 0x04) |
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60 { |
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61 huart1.Init.BaudRate = 19200; |
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62 Comstatus_O2 = UART_O2_INIT; |
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63 } |
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64 else |
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65 { |
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66 huart1.Init.BaudRate = 9600; |
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67 } |
| 662 | 68 huart1.Init.WordLength = UART_WORDLENGTH_8B; |
| 69 huart1.Init.StopBits = UART_STOPBITS_1; | |
| 70 huart1.Init.Parity = UART_PARITY_NONE; | |
| 71 huart1.Init.Mode = UART_MODE_TX_RX; | |
| 72 huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE; | |
| 73 huart1.Init.OverSampling = UART_OVERSAMPLING_16; | |
| 74 | |
| 75 HAL_UART_Init(&huart1); | |
| 76 | |
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77 MX_USART1_DMA_Init(); |
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78 |
| 662 | 79 rxReadIndex = 0; |
| 80 lastCmdIndex = 0; | |
| 81 rxWriteIndex = 0; | |
| 82 dmaActive = 0; | |
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83 Comstatus_O2 = UART_O2_INIT; |
| 662 | 84 } |
| 38 | 85 |
| 662 | 86 void MX_USART1_UART_DeInit(void) |
| 87 { | |
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88 HAL_DMA_Abort(&hdma_usart1_rx); |
| 662 | 89 HAL_DMA_DeInit(&hdma_usart1_rx); |
| 90 HAL_UART_DeInit(&huart1); | |
| 91 } | |
| 92 | |
| 93 void MX_USART1_DMA_Init() | |
| 94 { | |
| 95 /* DMA controller clock enable */ | |
| 96 __DMA2_CLK_ENABLE(); | |
| 97 | |
| 98 /* Peripheral DMA init*/ | |
| 99 hdma_usart1_rx.Instance = DMA2_Stream5; | |
| 100 hdma_usart1_rx.Init.Channel = DMA_CHANNEL_4; | |
| 101 hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; //DMA_MEMORY_TO_PERIPH; | |
| 102 hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE; | |
| 103 hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE; | |
| 104 hdma_usart1_rx.Init.PeriphDataAlignment = DMA_MDATAALIGN_BYTE; | |
| 105 hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; | |
| 106 hdma_usart1_rx.Init.Mode = DMA_NORMAL; | |
| 107 hdma_usart1_rx.Init.Priority = DMA_PRIORITY_LOW; | |
| 108 hdma_usart1_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; | |
| 109 HAL_DMA_Init(&hdma_usart1_rx); | |
| 110 | |
| 111 __HAL_LINKDMA(&huart1,hdmarx,hdma_usart1_rx); | |
| 112 | |
| 113 /* DMA interrupt init */ | |
| 114 HAL_NVIC_SetPriority(DMA2_Stream5_IRQn, 0, 0); | |
| 115 HAL_NVIC_EnableIRQ(DMA2_Stream5_IRQn); | |
| 38 | 116 } |
| 117 | |
| 690 | 118 void ConvertByteToHexString(uint8_t byte, char* str) |
| 119 { | |
| 120 uint8_t worker = 0; | |
| 121 uint8_t digit = 0; | |
| 122 uint8_t digitCnt = 1; | |
| 38 | 123 |
| 690 | 124 worker = byte; |
| 125 while((worker!=0) && (digitCnt != 255)) | |
| 126 { | |
| 127 digit = worker % 16; | |
| 128 if( digit < 10) | |
| 129 { | |
| 130 digit += '0'; | |
| 131 } | |
| 132 else | |
| 133 { | |
| 134 digit += 'A' - 10; | |
| 135 } | |
| 136 str[digitCnt--]= digit; | |
| 137 worker = worker / 16; | |
| 138 } | |
| 139 } | |
| 662 | 140 |
| 690 | 141 |
| 142 #ifdef ENABLE_CO2_SUPPORT | |
| 143 void HandleUARTCO2Data(void) | |
| 38 | 144 { |
| 662 | 145 uint8_t localRX = rxReadIndex; |
| 146 uint8_t dataType = 0; | |
| 690 | 147 uint32_t dataValue = 0; |
| 662 | 148 static receiveState_t rxState = RX_Ready; |
| 149 static uint32_t lastReceiveTick = 0; | |
| 150 | |
| 725 | 151 |
| 152 while((rxBuffer[localRX]!=0)) | |
| 662 | 153 { |
| 154 lastReceiveTick = HAL_GetTick(); | |
| 155 if(rxState == RX_Ready) /* identify data content */ | |
| 156 { | |
| 157 switch(rxBuffer[localRX]) | |
| 158 { | |
| 159 case 'l': | |
| 160 case 'D': | |
| 161 case 'Z': | |
| 162 dataType = rxBuffer[localRX]; | |
| 163 rxState = RX_Data0; | |
| 164 dataValue = 0; | |
| 165 break; | |
| 166 | |
| 167 default: /* unknown or corrupted => ignore */ | |
| 168 break; | |
| 169 } | |
| 170 } | |
| 725 | 171 else if((rxBuffer[localRX] >= '0') && (rxBuffer[localRX] <= '9')) |
| 662 | 172 { |
| 725 | 173 if((rxState >= RX_Data0) && (rxState <= RX_Data4)) |
| 662 | 174 { |
| 175 dataValue = dataValue * 10 + (rxBuffer[localRX] - '0'); | |
| 176 rxState++; | |
| 725 | 177 if(rxState == RX_Data5) |
| 178 { | |
| 179 rxState = RX_DataComplete; | |
| 180 } | |
| 181 } | |
| 182 else /* protocol error data has max 5 digits */ | |
| 183 { | |
| 184 rxState = RX_Ready; | |
| 662 | 185 } |
| 186 } | |
| 187 if((rxBuffer[localRX] == ' ') || (rxBuffer[localRX] == '\n')) /* Abort data detection */ | |
| 188 { | |
| 189 if(rxState == RX_DataComplete) | |
| 190 { | |
| 191 if(externalInterface_GetCO2State() == 0) | |
| 192 { | |
| 193 externalInterface_SetCO2State(EXT_INTERFACE_33V_ON); | |
| 194 } | |
| 195 switch(dataType) | |
| 196 { | |
| 197 case 'D': externalInterface_SetCO2SignalStrength(dataValue); | |
| 198 break; | |
| 199 case 'l': LED_ZeroOffset = dataValue; | |
| 200 break; | |
| 201 case 'Z': externalInterface_SetCO2Value(dataValue); | |
| 202 break; | |
| 203 default: break; | |
| 204 } | |
| 205 } | |
| 206 if(rxState != RX_Data0) /* reset state machine because message in wrong format */ | |
| 207 { | |
| 208 rxState = RX_Ready; | |
| 209 } | |
| 210 } | |
| 211 | |
| 212 localRX++; | |
| 213 rxReadIndex++; | |
| 214 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
| 215 { | |
| 216 localRX = 0; | |
| 217 rxReadIndex = 0; | |
| 218 } | |
| 219 } | |
| 220 | |
| 221 if(time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 2000) /* check for communication timeout */ | |
| 222 { | |
| 223 externalInterface_SetCO2State(0); | |
| 224 } | |
| 225 | |
| 226 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ | |
| 227 { | |
| 228 if(HAL_OK == HAL_UART_Receive_DMA (&huart1, &rxBuffer[rxWriteIndex], CHUNK_SIZE)) | |
| 229 { | |
| 230 dmaActive = 1; | |
| 231 } | |
| 232 } | |
| 38 | 233 } |
| 690 | 234 #endif |
| 235 | |
| 236 #ifdef ENABLE_SENTINEL_MODE | |
| 237 void HandleUARTSentinelData(void) | |
| 238 { | |
| 239 uint8_t localRX = rxReadIndex; | |
| 240 static uint8_t dataType = 0; | |
| 241 static uint32_t dataValue[3]; | |
| 242 static uint8_t dataValueIdx = 0; | |
| 243 static receiveState_t rxState = RX_Ready; | |
| 244 static uint32_t lastReceiveTick = 0; | |
| 245 static uint8_t lastAlive = 0; | |
| 246 static uint8_t curAlive = 0; | |
| 247 static uint8_t checksum = 0; | |
| 248 char checksum_str[]="00"; | |
| 249 | |
| 250 while(localRX != rxWriteIndex) | |
| 251 { | |
| 252 lastReceiveTick = HAL_GetTick(); | |
| 253 | |
| 254 switch(rxState) | |
| 255 { | |
| 256 case RX_Ready: if((rxBuffer[localRX] >= 'a') && (rxBuffer[localRX] <= 'z')) | |
| 257 { | |
| 258 rxState = RX_DetectStart; | |
| 259 curAlive = rxBuffer[localRX]; | |
| 260 checksum = 0; | |
| 261 } | |
| 262 break; | |
| 263 | |
| 264 case RX_DetectStart: checksum += rxBuffer[localRX]; | |
| 265 if(rxBuffer[localRX] == '1') | |
| 266 { | |
| 267 rxState = RX_SelectData; | |
| 268 dataType = 0xFF; | |
| 269 | |
| 270 } | |
| 271 else | |
| 272 { | |
| 273 rxState = RX_Ready; | |
| 274 } | |
| 275 break; | |
| 276 | |
| 277 case RX_SelectData: checksum += rxBuffer[localRX]; | |
| 278 switch(rxBuffer[localRX]) | |
| 279 { | |
| 280 case 'T': dataType = rxBuffer[localRX]; | |
| 281 break; | |
| 282 case '0': if(dataType != 0xff) | |
| 283 { | |
| 284 rxState = RX_Data0; | |
| 285 dataValueIdx = 0; | |
| 286 dataValue[0] = 0; | |
| 287 | |
| 288 } | |
| 289 else | |
| 290 { | |
| 291 rxState = RX_Ready; | |
| 292 } | |
| 293 break; | |
| 294 default: rxState = RX_Ready; | |
| 295 } | |
| 296 break; | |
| 297 | |
| 298 case RX_Data0: | |
| 299 case RX_Data1: | |
| 300 case RX_Data2: | |
| 301 case RX_Data4: | |
| 302 case RX_Data5: | |
| 303 case RX_Data6: | |
| 304 case RX_Data8: | |
| 305 case RX_Data9: | |
| 306 case RX_Data10: checksum += rxBuffer[localRX]; | |
| 307 if((rxBuffer[localRX] >= '0') && (rxBuffer[localRX] <= '9')) | |
| 308 { | |
| 309 dataValue[dataValueIdx] = dataValue[dataValueIdx] * 10 + (rxBuffer[localRX] - '0'); | |
| 310 rxState++; | |
| 311 } | |
| 312 else | |
| 313 { | |
| 314 rxState = RX_Ready; | |
| 315 } | |
| 316 break; | |
| 317 | |
| 318 case RX_Data3: | |
| 319 case RX_Data7: checksum += rxBuffer[localRX]; | |
| 320 if(rxBuffer[localRX] == '0') | |
| 321 { | |
| 322 rxState++; | |
| 323 dataValueIdx++; | |
| 324 dataValue[dataValueIdx] = 0; | |
| 325 } | |
| 326 else | |
| 327 { | |
| 328 rxState = RX_Ready; | |
| 329 } | |
| 330 break; | |
| 331 case RX_Data11: rxState = RX_DataComplete; | |
| 332 ConvertByteToHexString(checksum,checksum_str); | |
| 333 if(rxBuffer[localRX] == checksum_str[0]) | |
| 334 { | |
| 335 rxState = RX_DataComplete; | |
| 336 } | |
| 337 else | |
| 338 { | |
| 339 rxState = RX_Ready; | |
| 340 } | |
| 341 | |
| 342 break; | |
| 343 | |
| 344 case RX_DataComplete: if(rxBuffer[localRX] == checksum_str[1]) | |
| 345 { | |
| 346 setExternalInterfaceChannel(0,(float)(dataValue[0] / 10.0)); | |
| 347 setExternalInterfaceChannel(1,(float)(dataValue[1] / 10.0)); | |
| 348 setExternalInterfaceChannel(2,(float)(dataValue[2] / 10.0)); | |
| 349 } | |
| 350 rxState = RX_Ready; | |
| 351 break; | |
| 352 | |
| 353 | |
| 354 default: rxState = RX_Ready; | |
| 355 break; | |
| 356 | |
| 357 } | |
| 358 | |
| 359 localRX++; | |
| 360 rxReadIndex++; | |
| 361 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
| 362 { | |
| 363 localRX = 0; | |
| 364 rxReadIndex = 0; | |
| 365 } | |
| 366 } | |
| 367 | |
| 368 if(time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 4000) /* check for communication timeout */ | |
| 369 { | |
| 370 if(curAlive == lastAlive) | |
| 371 { | |
| 372 setExternalInterfaceChannel(0,0.0); | |
| 373 setExternalInterfaceChannel(1,0.0); | |
| 374 setExternalInterfaceChannel(2,0.0); | |
| 375 } | |
| 376 lastAlive = curAlive; | |
| 377 } | |
| 378 | |
| 379 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ | |
| 380 { | |
| 381 if(HAL_OK == HAL_UART_Receive_DMA (&huart1, &rxBuffer[rxWriteIndex], CHUNK_SIZE)) | |
| 382 { | |
| 383 dmaActive = 1; | |
| 384 } | |
| 385 } | |
| 386 } | |
| 387 #endif | |
| 38 | 388 |
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389 void DigitalO2_SetupCmd(uint8_t O2State, uint8_t *cmdString, uint8_t *cmdLength) |
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390 { |
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391 switch (O2State) |
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392 { |
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393 case UART_O2_CHECK: *cmdLength = snprintf((char*)cmdString, 10, "#LOGO"); |
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394 break; |
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395 case UART_O2_REQ_INFO: *cmdLength = snprintf((char*)cmdString, 10, "#VERS"); |
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396 break; |
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397 case UART_O2_REQ_ID: *cmdLength = snprintf((char*)cmdString, 10, "#IDNR"); |
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398 break; |
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399 case UART_O2_REQ_O2: *cmdLength = snprintf((char*)cmdString, 10, "#DOXY"); |
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400 break; |
| 721 | 401 case UART_O2_REQ_RAW: *cmdLength = snprintf((char*)cmdString, 10, "#DRAW"); |
| 402 break; | |
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403 default: *cmdLength = 0; |
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404 break; |
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405 } |
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406 if(*cmdLength != 0) |
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407 { |
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408 cmdString[*cmdLength] = 0x0D; |
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409 *cmdLength = *cmdLength + 1; |
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410 } |
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411 } |
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412 |
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413 void StringToInt(char *pstr, uint32_t *puInt32) |
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414 { |
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415 uint8_t index = 0; |
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416 uint32_t result = 0; |
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417 while((pstr[index] >= '0') && (pstr[index] <= '9')) |
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418 { |
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419 result *=10; |
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420 result += pstr[index] - '0'; |
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421 index++; |
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422 } |
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423 *puInt32 = result; |
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424 } |
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425 |
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426 void StringToUInt64(char *pstr, uint64_t *puint64) |
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427 { |
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428 uint8_t index = 0; |
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429 uint64_t result = 0; |
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430 while((pstr[index] >= '0') && (pstr[index] <= '9')) |
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431 { |
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432 result *=10; |
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433 result += pstr[index] - '0'; |
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434 index++; |
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435 } |
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436 *puint64 = result; |
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437 } |
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438 |
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439 void HandleUARTDigitalO2(void) |
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440 { |
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441 static uint32_t lastO2ReqTick = 0; |
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442 |
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443 static uartO2RxState_t rxState = O2RX_IDLE; |
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444 static uint32_t lastReceiveTick = 0; |
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445 static uint8_t lastAlive = 0; |
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446 static uint8_t curAlive = 0; |
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447 |
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448 static uint8_t cmdLength = 0; |
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449 static uint8_t cmdString[10]; |
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450 static uint8_t cmdReadIndex = 0; |
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451 |
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452 uint32_t tmpO2 = 0; |
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453 uint32_t tmpData = 0; |
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454 uint8_t localRX = rxReadIndex; |
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455 uint32_t tick = HAL_GetTick(); |
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456 |
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457 |
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458 if(Comstatus_O2 == UART_O2_INIT) |
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459 { |
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460 memset((char*)&rxBuffer[rxWriteIndex],(int)0,CHUNK_SIZE); |
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461 memset((char*) &sensorDataDiveO2, 0, sizeof(sensorDataDiveO2)); |
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462 externalInterface_SetSensorData(0,(uint8_t*)&sensorDataDiveO2); |
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463 |
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464 lastAlive = 0; |
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465 curAlive = 0; |
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466 |
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467 Comstatus_O2 = UART_O2_CHECK; |
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468 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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469 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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470 |
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471 rxState = O2RX_CONFIRM; |
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472 cmdReadIndex = 0; |
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473 lastO2ReqTick = tick; |
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474 |
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475 if(HAL_OK == HAL_UART_Receive_DMA (&huart1, &rxBuffer[rxWriteIndex], CHUNK_SIZE)) |
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476 { |
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477 dmaActive = 1; |
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478 } |
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479 } |
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480 if(time_elapsed_ms(lastO2ReqTick,tick) > 1000) /* repeat request once per second */ |
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481 { |
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482 lastO2ReqTick = tick; |
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483 if(Comstatus_O2 == UART_O2_IDLE) /* cyclic request of o2 value */ |
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484 { |
| 721 | 485 Comstatus_O2 = UART_O2_REQ_RAW; |
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486 rxState = O2RX_CONFIRM; |
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487 } |
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488 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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489 |
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490 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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491 } |
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492 |
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493 while((rxBuffer[localRX]!=0)) |
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494 { |
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495 |
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496 lastReceiveTick = tick; |
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497 switch(rxState) |
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498 { |
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499 case O2RX_CONFIRM: if(rxBuffer[localRX] == '#') |
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500 { |
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501 cmdReadIndex = 0; |
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502 } |
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503 if(rxBuffer[localRX] == cmdString[cmdReadIndex]) |
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504 { |
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505 cmdReadIndex++; |
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506 if(cmdReadIndex == cmdLength - 1) |
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507 { |
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508 tmpRxIdx = 0; |
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509 memset((char*) tmpRxBuf, 0, sizeof(tmpRxBuf)); |
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510 switch (Comstatus_O2) |
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511 { |
|
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512 case UART_O2_CHECK: Comstatus_O2 = UART_O2_REQ_ID; |
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513 rxState = O2RX_CONFIRM; |
|
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514 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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515 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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516 break; |
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517 case UART_O2_REQ_ID: rxState = O2RX_GETNR; |
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518 break; |
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519 case UART_O2_REQ_INFO: rxState = O2RX_GETTYPE; |
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520 break; |
| 721 | 521 case UART_O2_REQ_RAW: |
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522 case UART_O2_REQ_O2: rxState = O2RX_GETO2; |
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523 break; |
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524 default: Comstatus_O2 = UART_O2_IDLE; |
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525 rxState = O2RX_IDLE; |
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526 break; |
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527 } |
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528 } |
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529 } |
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|
530 break; |
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|
531 |
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532 case O2RX_GETSTATUS: |
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533 case O2RX_GETTEMP: |
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534 case O2RX_GETTYPE: |
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535 case O2RX_GETVERSION: |
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536 case O2RX_GETCHANNEL: |
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537 case O2RX_GETSUBSENSORS: |
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538 case O2RX_GETO2: |
| 721 | 539 case O2RX_GETNR: |
| 540 case O2RX_GETDPHI: | |
| 541 case O2RX_INTENSITY: | |
| 542 case O2RX_AMBIENTLIGHT: | |
| 543 case O2RX_PRESSURE: | |
| 544 case O2RX_HUMIDITY: | |
| 545 if(rxBuffer[localRX] != 0x0D) | |
|
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|
546 { |
|
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547 if(rxBuffer[localRX] != ' ') |
|
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|
548 { |
|
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|
549 tmpRxBuf[tmpRxIdx++] = rxBuffer[localRX]; |
|
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550 } |
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551 else |
|
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552 { |
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553 if(tmpRxIdx != 0) |
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554 { |
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555 switch(rxState) |
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556 { |
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557 case O2RX_GETCHANNEL: StringToInt(tmpRxBuf,&tmpData); |
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558 rxState = O2RX_GETVERSION; |
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559 break; |
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560 case O2RX_GETVERSION: StringToInt(tmpRxBuf,&tmpData); |
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561 rxState = O2RX_GETSUBSENSORS; |
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562 break; |
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563 case O2RX_GETTYPE: StringToInt(tmpRxBuf,&tmpData); |
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564 rxState = O2RX_GETCHANNEL; |
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565 break; |
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566 |
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567 case O2RX_GETO2: StringToInt(tmpRxBuf,&tmpO2); |
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568 setExternalInterfaceChannel(0,(float)(tmpO2 / 10000.0)); |
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569 rxState = O2RX_GETTEMP; |
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570 break; |
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571 case O2RX_GETTEMP: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.temperature); |
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572 rxState = O2RX_GETSTATUS; |
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573 break; |
| 721 | 574 case O2RX_GETSTATUS: StringToInt(tmpRxBuf,&sensorDataDiveO2.status); /* raw data cycle */ |
| 575 rxState = O2RX_GETDPHI; | |
| 576 break; | |
| 577 case O2RX_GETDPHI: /* ignored to save memory and most likly irrelevant for diver */ | |
| 578 rxState = O2RX_INTENSITY; | |
| 579 break; | |
| 580 case O2RX_INTENSITY: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.intensity); /* raw data cycle */ | |
| 581 rxState = O2RX_AMBIENTLIGHT; | |
| 582 break; | |
| 583 case O2RX_AMBIENTLIGHT: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.ambient); /* raw data cycle */ | |
| 584 rxState = O2RX_PRESSURE; | |
| 585 break; | |
| 586 case O2RX_PRESSURE: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.pressure); /* raw data cycle */ | |
| 587 rxState = O2RX_HUMIDITY; | |
| 588 break; | |
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589 default: |
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590 break; |
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591 } |
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592 memset((char*) tmpRxBuf, 0, tmpRxIdx); |
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593 tmpRxIdx = 0; |
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594 } |
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595 } |
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596 } |
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597 else |
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598 { |
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599 switch (rxState) |
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600 { |
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601 case O2RX_GETSTATUS: StringToInt(tmpRxBuf,&sensorDataDiveO2.status); |
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602 externalInterface_SetSensorData(1,(uint8_t*)&sensorDataDiveO2); |
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603 Comstatus_O2 = UART_O2_IDLE; |
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604 rxState = O2RX_IDLE; |
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605 break; |
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606 case O2RX_GETSUBSENSORS: StringToInt(tmpRxBuf,&tmpData); |
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607 Comstatus_O2 = UART_O2_IDLE; |
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608 rxState = O2RX_IDLE; |
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609 break; |
| 721 | 610 case O2RX_HUMIDITY: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.humidity); /* raw data cycle */ |
| 611 externalInterface_SetSensorData(1,(uint8_t*)&sensorDataDiveO2); | |
| 612 Comstatus_O2 = UART_O2_IDLE; | |
| 613 rxState = O2RX_IDLE; | |
| 614 break; | |
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615 case O2RX_GETNR: StringToUInt64((char*)tmpRxBuf,&sensorDataDiveO2.sensorId); |
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616 /* no break */ |
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617 default: Comstatus_O2 = UART_O2_IDLE; |
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618 rxState = O2RX_IDLE; |
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619 break; |
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620 } |
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621 } |
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622 break; |
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623 default: rxState = O2RX_IDLE; |
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624 break; |
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625 |
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626 } |
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627 |
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628 localRX++; |
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629 rxReadIndex++; |
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630 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) |
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631 { |
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632 localRX = 0; |
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633 rxReadIndex = 0; |
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634 } |
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635 } |
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636 |
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637 if(time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 4000) /* check for communication timeout */ |
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638 { |
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639 if(curAlive == lastAlive) |
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640 { |
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641 setExternalInterfaceChannel(0,0.0); |
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642 setExternalInterfaceChannel(1,0.0); |
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643 setExternalInterfaceChannel(2,0.0); |
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644 } |
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645 lastAlive = curAlive; |
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646 } |
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647 |
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648 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ |
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649 { |
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650 if(HAL_OK == HAL_UART_Receive_DMA (&huart1, &rxBuffer[rxWriteIndex], CHUNK_SIZE)) |
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651 { |
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652 dmaActive = 1; |
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653 } |
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654 } |
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655 } |
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656 |
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657 |
| 662 | 658 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) |
| 38 | 659 { |
| 662 | 660 if(huart == &huart1) |
| 661 { | |
| 662 dmaActive = 0; | |
| 663 rxWriteIndex+=CHUNK_SIZE; | |
| 664 if(rxWriteIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
| 665 { | |
| 666 rxWriteIndex = 0; | |
| 667 } | |
| 668 if((rxWriteIndex / CHUNK_SIZE) != (rxReadIndex / CHUNK_SIZE)) /* start next transfer if we did not catch up with read index */ | |
| 669 { | |
| 670 if(externalInterface_isEnabledPower33()) | |
| 671 { | |
|
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672 memset((char*)&rxBuffer[rxWriteIndex],(int)0,CHUNK_SIZE); |
| 662 | 673 if(HAL_OK == HAL_UART_Receive_DMA (&huart1, &rxBuffer[rxWriteIndex], CHUNK_SIZE)) |
| 674 { | |
| 675 dmaActive = 1; | |
| 676 } | |
| 677 } | |
| 678 } | |
| 679 } | |
| 38 | 680 } |
| 681 | |
| 682 | |
| 662 | 683 |
| 684 | |
| 685 | |
| 686 | |
| 687 | |
| 688 | |
| 38 | 689 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/ |