Mercurial > public > ostc4
annotate Small_CPU/Src/uart.c @ 721:fceae45b3a69
DigO2 added raw data request:
Beside ppO2 the Digo2 also offers raw data like humidity, pressure or signal intensity. These information may be of interest for diagnostic functions and have been added to the protocol support function.
| author | Ideenmodellierer |
|---|---|
| date | Thu, 05 Jan 2023 18:22:21 +0100 |
| parents | 045ff7800501 |
| children | 621265ec3d23 |
| 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 | |
| 151 while(localRX != rxWriteIndex) | |
| 152 { | |
| 153 lastReceiveTick = HAL_GetTick(); | |
| 154 if(rxState == RX_Ready) /* identify data content */ | |
| 155 { | |
| 156 switch(rxBuffer[localRX]) | |
| 157 { | |
| 158 case 'l': | |
| 159 case 'D': | |
| 160 case 'Z': | |
| 161 dataType = rxBuffer[localRX]; | |
| 162 rxState = RX_Data0; | |
| 163 dataValue = 0; | |
| 164 break; | |
| 165 | |
| 166 default: /* unknown or corrupted => ignore */ | |
| 167 break; | |
| 168 } | |
| 169 } | |
| 170 else if((rxState >= RX_Data0) && (rxState <= RX_Data4)) | |
| 171 { | |
| 172 if((rxBuffer[localRX] >= '0') && (rxBuffer[localRX] <= '9')) | |
| 173 { | |
| 174 dataValue = dataValue * 10 + (rxBuffer[localRX] - '0'); | |
| 175 rxState++; | |
| 176 } | |
| 177 } | |
| 178 if((rxBuffer[localRX] == ' ') || (rxBuffer[localRX] == '\n')) /* Abort data detection */ | |
| 179 { | |
| 180 if(rxState == RX_DataComplete) | |
| 181 { | |
| 182 if(externalInterface_GetCO2State() == 0) | |
| 183 { | |
| 184 externalInterface_SetCO2State(EXT_INTERFACE_33V_ON); | |
| 185 } | |
| 186 switch(dataType) | |
| 187 { | |
| 188 case 'D': externalInterface_SetCO2SignalStrength(dataValue); | |
| 189 break; | |
| 190 case 'l': LED_ZeroOffset = dataValue; | |
| 191 break; | |
| 192 case 'Z': externalInterface_SetCO2Value(dataValue); | |
| 193 break; | |
| 194 default: break; | |
| 195 } | |
| 196 } | |
| 197 if(rxState != RX_Data0) /* reset state machine because message in wrong format */ | |
| 198 { | |
| 199 rxState = RX_Ready; | |
| 200 } | |
| 201 } | |
| 202 | |
| 203 localRX++; | |
| 204 rxReadIndex++; | |
| 205 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
| 206 { | |
| 207 localRX = 0; | |
| 208 rxReadIndex = 0; | |
| 209 } | |
| 210 } | |
| 211 | |
| 212 if(time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 2000) /* check for communication timeout */ | |
| 213 { | |
| 214 externalInterface_SetCO2State(0); | |
| 215 } | |
| 216 | |
| 217 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ | |
| 218 { | |
| 219 if(HAL_OK == HAL_UART_Receive_DMA (&huart1, &rxBuffer[rxWriteIndex], CHUNK_SIZE)) | |
| 220 { | |
| 221 dmaActive = 1; | |
| 222 } | |
| 223 } | |
| 38 | 224 } |
| 690 | 225 #endif |
| 226 | |
| 227 #ifdef ENABLE_SENTINEL_MODE | |
| 228 void HandleUARTSentinelData(void) | |
| 229 { | |
| 230 uint8_t localRX = rxReadIndex; | |
| 231 static uint8_t dataType = 0; | |
| 232 static uint32_t dataValue[3]; | |
| 233 static uint8_t dataValueIdx = 0; | |
| 234 static receiveState_t rxState = RX_Ready; | |
| 235 static uint32_t lastReceiveTick = 0; | |
| 236 static uint8_t lastAlive = 0; | |
| 237 static uint8_t curAlive = 0; | |
| 238 static uint8_t checksum = 0; | |
| 239 char checksum_str[]="00"; | |
| 240 | |
| 241 while(localRX != rxWriteIndex) | |
| 242 { | |
| 243 lastReceiveTick = HAL_GetTick(); | |
| 244 | |
| 245 switch(rxState) | |
| 246 { | |
| 247 case RX_Ready: if((rxBuffer[localRX] >= 'a') && (rxBuffer[localRX] <= 'z')) | |
| 248 { | |
| 249 rxState = RX_DetectStart; | |
| 250 curAlive = rxBuffer[localRX]; | |
| 251 checksum = 0; | |
| 252 } | |
| 253 break; | |
| 254 | |
| 255 case RX_DetectStart: checksum += rxBuffer[localRX]; | |
| 256 if(rxBuffer[localRX] == '1') | |
| 257 { | |
| 258 rxState = RX_SelectData; | |
| 259 dataType = 0xFF; | |
| 260 | |
| 261 } | |
| 262 else | |
| 263 { | |
| 264 rxState = RX_Ready; | |
| 265 } | |
| 266 break; | |
| 267 | |
| 268 case RX_SelectData: checksum += rxBuffer[localRX]; | |
| 269 switch(rxBuffer[localRX]) | |
| 270 { | |
| 271 case 'T': dataType = rxBuffer[localRX]; | |
| 272 break; | |
| 273 case '0': if(dataType != 0xff) | |
| 274 { | |
| 275 rxState = RX_Data0; | |
| 276 dataValueIdx = 0; | |
| 277 dataValue[0] = 0; | |
| 278 | |
| 279 } | |
| 280 else | |
| 281 { | |
| 282 rxState = RX_Ready; | |
| 283 } | |
| 284 break; | |
| 285 default: rxState = RX_Ready; | |
| 286 } | |
| 287 break; | |
| 288 | |
| 289 case RX_Data0: | |
| 290 case RX_Data1: | |
| 291 case RX_Data2: | |
| 292 case RX_Data4: | |
| 293 case RX_Data5: | |
| 294 case RX_Data6: | |
| 295 case RX_Data8: | |
| 296 case RX_Data9: | |
| 297 case RX_Data10: checksum += rxBuffer[localRX]; | |
| 298 if((rxBuffer[localRX] >= '0') && (rxBuffer[localRX] <= '9')) | |
| 299 { | |
| 300 dataValue[dataValueIdx] = dataValue[dataValueIdx] * 10 + (rxBuffer[localRX] - '0'); | |
| 301 rxState++; | |
| 302 } | |
| 303 else | |
| 304 { | |
| 305 rxState = RX_Ready; | |
| 306 } | |
| 307 break; | |
| 308 | |
| 309 case RX_Data3: | |
| 310 case RX_Data7: checksum += rxBuffer[localRX]; | |
| 311 if(rxBuffer[localRX] == '0') | |
| 312 { | |
| 313 rxState++; | |
| 314 dataValueIdx++; | |
| 315 dataValue[dataValueIdx] = 0; | |
| 316 } | |
| 317 else | |
| 318 { | |
| 319 rxState = RX_Ready; | |
| 320 } | |
| 321 break; | |
| 322 case RX_Data11: rxState = RX_DataComplete; | |
| 323 ConvertByteToHexString(checksum,checksum_str); | |
| 324 if(rxBuffer[localRX] == checksum_str[0]) | |
| 325 { | |
| 326 rxState = RX_DataComplete; | |
| 327 } | |
| 328 else | |
| 329 { | |
| 330 rxState = RX_Ready; | |
| 331 } | |
| 332 | |
| 333 break; | |
| 334 | |
| 335 case RX_DataComplete: if(rxBuffer[localRX] == checksum_str[1]) | |
| 336 { | |
| 337 setExternalInterfaceChannel(0,(float)(dataValue[0] / 10.0)); | |
| 338 setExternalInterfaceChannel(1,(float)(dataValue[1] / 10.0)); | |
| 339 setExternalInterfaceChannel(2,(float)(dataValue[2] / 10.0)); | |
| 340 } | |
| 341 rxState = RX_Ready; | |
| 342 break; | |
| 343 | |
| 344 | |
| 345 default: rxState = RX_Ready; | |
| 346 break; | |
| 347 | |
| 348 } | |
| 349 | |
| 350 localRX++; | |
| 351 rxReadIndex++; | |
| 352 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
| 353 { | |
| 354 localRX = 0; | |
| 355 rxReadIndex = 0; | |
| 356 } | |
| 357 } | |
| 358 | |
| 359 if(time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 4000) /* check for communication timeout */ | |
| 360 { | |
| 361 if(curAlive == lastAlive) | |
| 362 { | |
| 363 setExternalInterfaceChannel(0,0.0); | |
| 364 setExternalInterfaceChannel(1,0.0); | |
| 365 setExternalInterfaceChannel(2,0.0); | |
| 366 } | |
| 367 lastAlive = curAlive; | |
| 368 } | |
| 369 | |
| 370 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ | |
| 371 { | |
| 372 if(HAL_OK == HAL_UART_Receive_DMA (&huart1, &rxBuffer[rxWriteIndex], CHUNK_SIZE)) | |
| 373 { | |
| 374 dmaActive = 1; | |
| 375 } | |
| 376 } | |
| 377 } | |
| 378 #endif | |
| 38 | 379 |
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380 void DigitalO2_SetupCmd(uint8_t O2State, uint8_t *cmdString, uint8_t *cmdLength) |
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381 { |
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382 switch (O2State) |
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383 { |
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384 case UART_O2_CHECK: *cmdLength = snprintf((char*)cmdString, 10, "#LOGO"); |
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385 break; |
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386 case UART_O2_REQ_INFO: *cmdLength = snprintf((char*)cmdString, 10, "#VERS"); |
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387 break; |
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388 case UART_O2_REQ_ID: *cmdLength = snprintf((char*)cmdString, 10, "#IDNR"); |
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389 break; |
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390 case UART_O2_REQ_O2: *cmdLength = snprintf((char*)cmdString, 10, "#DOXY"); |
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391 break; |
| 721 | 392 case UART_O2_REQ_RAW: *cmdLength = snprintf((char*)cmdString, 10, "#DRAW"); |
| 393 break; | |
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394 default: *cmdLength = 0; |
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395 break; |
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396 } |
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397 if(*cmdLength != 0) |
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398 { |
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399 cmdString[*cmdLength] = 0x0D; |
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400 *cmdLength = *cmdLength + 1; |
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401 } |
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402 } |
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403 |
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404 void StringToInt(char *pstr, uint32_t *puInt32) |
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405 { |
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406 uint8_t index = 0; |
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407 uint32_t result = 0; |
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408 while((pstr[index] >= '0') && (pstr[index] <= '9')) |
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409 { |
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410 result *=10; |
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411 result += pstr[index] - '0'; |
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412 index++; |
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413 } |
|
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414 *puInt32 = result; |
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415 } |
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416 |
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417 void StringToUInt64(char *pstr, uint64_t *puint64) |
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418 { |
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419 uint8_t index = 0; |
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420 uint64_t result = 0; |
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421 while((pstr[index] >= '0') && (pstr[index] <= '9')) |
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422 { |
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423 result *=10; |
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424 result += pstr[index] - '0'; |
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425 index++; |
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426 } |
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427 *puint64 = result; |
|
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428 } |
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429 |
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430 void HandleUARTDigitalO2(void) |
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431 { |
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432 static uint32_t lastO2ReqTick = 0; |
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433 |
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434 static uartO2RxState_t rxState = O2RX_IDLE; |
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435 static uint32_t lastReceiveTick = 0; |
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436 static uint8_t lastAlive = 0; |
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437 static uint8_t curAlive = 0; |
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438 |
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439 static uint8_t cmdLength = 0; |
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440 static uint8_t cmdString[10]; |
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441 static uint8_t cmdReadIndex = 0; |
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442 |
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443 uint32_t tmpO2 = 0; |
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444 uint32_t tmpData = 0; |
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445 uint8_t localRX = rxReadIndex; |
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446 uint32_t tick = HAL_GetTick(); |
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447 |
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448 |
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449 if(Comstatus_O2 == UART_O2_INIT) |
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450 { |
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451 memset((char*)&rxBuffer[rxWriteIndex],(int)0,CHUNK_SIZE); |
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452 memset((char*) &sensorDataDiveO2, 0, sizeof(sensorDataDiveO2)); |
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453 externalInterface_SetSensorData(0,(uint8_t*)&sensorDataDiveO2); |
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454 |
|
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455 lastAlive = 0; |
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456 curAlive = 0; |
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457 |
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458 Comstatus_O2 = UART_O2_CHECK; |
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459 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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460 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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461 |
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462 rxState = O2RX_CONFIRM; |
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463 cmdReadIndex = 0; |
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464 lastO2ReqTick = tick; |
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465 |
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466 if(HAL_OK == HAL_UART_Receive_DMA (&huart1, &rxBuffer[rxWriteIndex], CHUNK_SIZE)) |
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467 { |
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468 dmaActive = 1; |
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469 } |
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470 } |
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471 if(time_elapsed_ms(lastO2ReqTick,tick) > 1000) /* repeat request once per second */ |
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472 { |
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473 lastO2ReqTick = tick; |
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474 if(Comstatus_O2 == UART_O2_IDLE) /* cyclic request of o2 value */ |
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475 { |
| 721 | 476 Comstatus_O2 = UART_O2_REQ_RAW; |
|
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477 rxState = O2RX_CONFIRM; |
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478 } |
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479 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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480 |
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481 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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482 } |
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483 |
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484 while((rxBuffer[localRX]!=0)) |
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485 { |
|
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486 |
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487 lastReceiveTick = tick; |
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488 switch(rxState) |
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489 { |
|
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490 case O2RX_CONFIRM: if(rxBuffer[localRX] == '#') |
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491 { |
|
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492 cmdReadIndex = 0; |
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493 } |
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494 if(rxBuffer[localRX] == cmdString[cmdReadIndex]) |
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495 { |
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496 cmdReadIndex++; |
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497 if(cmdReadIndex == cmdLength - 1) |
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|
498 { |
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499 tmpRxIdx = 0; |
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500 memset((char*) tmpRxBuf, 0, sizeof(tmpRxBuf)); |
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501 switch (Comstatus_O2) |
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|
502 { |
|
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503 case UART_O2_CHECK: Comstatus_O2 = UART_O2_REQ_ID; |
|
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504 rxState = O2RX_CONFIRM; |
|
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505 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
|
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506 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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507 break; |
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508 case UART_O2_REQ_ID: rxState = O2RX_GETNR; |
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509 break; |
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510 case UART_O2_REQ_INFO: rxState = O2RX_GETTYPE; |
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511 break; |
| 721 | 512 case UART_O2_REQ_RAW: |
|
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513 case UART_O2_REQ_O2: rxState = O2RX_GETO2; |
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514 break; |
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515 default: Comstatus_O2 = UART_O2_IDLE; |
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516 rxState = O2RX_IDLE; |
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|
517 break; |
|
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|
518 } |
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|
519 } |
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|
520 } |
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|
521 break; |
|
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|
522 |
|
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|
523 case O2RX_GETSTATUS: |
|
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|
524 case O2RX_GETTEMP: |
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|
525 case O2RX_GETTYPE: |
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|
526 case O2RX_GETVERSION: |
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|
527 case O2RX_GETCHANNEL: |
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|
528 case O2RX_GETSUBSENSORS: |
|
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529 case O2RX_GETO2: |
| 721 | 530 case O2RX_GETNR: |
| 531 case O2RX_GETDPHI: | |
| 532 case O2RX_INTENSITY: | |
| 533 case O2RX_AMBIENTLIGHT: | |
| 534 case O2RX_PRESSURE: | |
| 535 case O2RX_HUMIDITY: | |
| 536 if(rxBuffer[localRX] != 0x0D) | |
|
704
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|
537 { |
|
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|
538 if(rxBuffer[localRX] != ' ') |
|
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|
539 { |
|
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|
540 tmpRxBuf[tmpRxIdx++] = rxBuffer[localRX]; |
|
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|
541 } |
|
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|
542 else |
|
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diff
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|
543 { |
|
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|
544 if(tmpRxIdx != 0) |
|
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545 { |
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546 switch(rxState) |
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547 { |
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548 case O2RX_GETCHANNEL: StringToInt(tmpRxBuf,&tmpData); |
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549 rxState = O2RX_GETVERSION; |
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550 break; |
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551 case O2RX_GETVERSION: StringToInt(tmpRxBuf,&tmpData); |
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552 rxState = O2RX_GETSUBSENSORS; |
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553 break; |
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554 case O2RX_GETTYPE: StringToInt(tmpRxBuf,&tmpData); |
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555 rxState = O2RX_GETCHANNEL; |
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556 break; |
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557 |
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558 case O2RX_GETO2: StringToInt(tmpRxBuf,&tmpO2); |
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559 setExternalInterfaceChannel(0,(float)(tmpO2 / 10000.0)); |
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560 rxState = O2RX_GETTEMP; |
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561 break; |
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562 case O2RX_GETTEMP: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.temperature); |
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563 rxState = O2RX_GETSTATUS; |
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564 break; |
| 721 | 565 case O2RX_GETSTATUS: StringToInt(tmpRxBuf,&sensorDataDiveO2.status); /* raw data cycle */ |
| 566 rxState = O2RX_GETDPHI; | |
| 567 break; | |
| 568 case O2RX_GETDPHI: /* ignored to save memory and most likly irrelevant for diver */ | |
| 569 rxState = O2RX_INTENSITY; | |
| 570 break; | |
| 571 case O2RX_INTENSITY: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.intensity); /* raw data cycle */ | |
| 572 rxState = O2RX_AMBIENTLIGHT; | |
| 573 break; | |
| 574 case O2RX_AMBIENTLIGHT: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.ambient); /* raw data cycle */ | |
| 575 rxState = O2RX_PRESSURE; | |
| 576 break; | |
| 577 case O2RX_PRESSURE: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.pressure); /* raw data cycle */ | |
| 578 rxState = O2RX_HUMIDITY; | |
| 579 break; | |
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580 default: |
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581 break; |
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582 } |
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583 memset((char*) tmpRxBuf, 0, tmpRxIdx); |
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584 tmpRxIdx = 0; |
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585 } |
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586 } |
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587 } |
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588 else |
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589 { |
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590 switch (rxState) |
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591 { |
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592 case O2RX_GETSTATUS: StringToInt(tmpRxBuf,&sensorDataDiveO2.status); |
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593 externalInterface_SetSensorData(1,(uint8_t*)&sensorDataDiveO2); |
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594 Comstatus_O2 = UART_O2_IDLE; |
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595 rxState = O2RX_IDLE; |
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596 break; |
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597 case O2RX_GETSUBSENSORS: StringToInt(tmpRxBuf,&tmpData); |
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598 Comstatus_O2 = UART_O2_IDLE; |
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599 rxState = O2RX_IDLE; |
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600 break; |
| 721 | 601 case O2RX_HUMIDITY: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.humidity); /* raw data cycle */ |
| 602 externalInterface_SetSensorData(1,(uint8_t*)&sensorDataDiveO2); | |
| 603 Comstatus_O2 = UART_O2_IDLE; | |
| 604 rxState = O2RX_IDLE; | |
| 605 break; | |
|
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606 case O2RX_GETNR: StringToUInt64((char*)tmpRxBuf,&sensorDataDiveO2.sensorId); |
|
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607 /* no break */ |
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608 default: Comstatus_O2 = UART_O2_IDLE; |
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609 rxState = O2RX_IDLE; |
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610 break; |
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611 } |
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612 } |
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613 break; |
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614 default: rxState = O2RX_IDLE; |
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615 break; |
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616 |
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617 } |
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618 |
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619 localRX++; |
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620 rxReadIndex++; |
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621 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) |
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622 { |
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623 localRX = 0; |
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624 rxReadIndex = 0; |
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625 } |
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626 } |
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627 |
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628 if(time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 4000) /* check for communication timeout */ |
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629 { |
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630 if(curAlive == lastAlive) |
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631 { |
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632 setExternalInterfaceChannel(0,0.0); |
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633 setExternalInterfaceChannel(1,0.0); |
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634 setExternalInterfaceChannel(2,0.0); |
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635 } |
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636 lastAlive = curAlive; |
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637 } |
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638 |
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639 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ |
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640 { |
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641 if(HAL_OK == HAL_UART_Receive_DMA (&huart1, &rxBuffer[rxWriteIndex], CHUNK_SIZE)) |
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642 { |
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643 dmaActive = 1; |
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644 } |
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645 } |
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646 } |
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647 |
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648 |
| 662 | 649 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) |
| 38 | 650 { |
| 662 | 651 if(huart == &huart1) |
| 652 { | |
| 653 dmaActive = 0; | |
| 654 rxWriteIndex+=CHUNK_SIZE; | |
| 655 if(rxWriteIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
| 656 { | |
| 657 rxWriteIndex = 0; | |
| 658 } | |
| 659 if((rxWriteIndex / CHUNK_SIZE) != (rxReadIndex / CHUNK_SIZE)) /* start next transfer if we did not catch up with read index */ | |
| 660 { | |
| 661 if(externalInterface_isEnabledPower33()) | |
| 662 { | |
|
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663 memset((char*)&rxBuffer[rxWriteIndex],(int)0,CHUNK_SIZE); |
| 662 | 664 if(HAL_OK == HAL_UART_Receive_DMA (&huart1, &rxBuffer[rxWriteIndex], CHUNK_SIZE)) |
| 665 { | |
| 666 dmaActive = 1; | |
| 667 } | |
| 668 } | |
| 669 } | |
| 670 } | |
| 38 | 671 } |
| 672 | |
| 673 | |
| 662 | 674 |
| 675 | |
| 676 | |
| 677 | |
| 678 | |
| 679 | |
| 38 | 680 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/ |