Mercurial > public > ostc4
annotate Small_CPU/Src/uart.c @ 744:dd5db6e2c9a4
Added DiveO2 fatal error detection:
The digital sensor provides status information which are now considered in the sanity check for sensor values. The behavior in case of an error is the same as if an analog sensor would provide a out of bounce voltage.
| author | Ideenmodellierer |
|---|---|
| date | Sun, 19 Feb 2023 21:51:19 +0100 |
| parents | e23fe82cbf8c |
| children | df0d43da1614 |
| 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; |
| 211 uint8_t dataType = 0; | |
| 690 | 212 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; | |
| 269 default: break; | |
| 270 } | |
| 271 } | |
| 272 if(rxState != RX_Data0) /* reset state machine because message in wrong format */ | |
| 273 { | |
| 274 rxState = RX_Ready; | |
| 275 } | |
| 276 } | |
| 742 | 277 rxBuffer[localRX] = 0; |
| 662 | 278 localRX++; |
| 279 rxReadIndex++; | |
| 280 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
| 281 { | |
| 282 localRX = 0; | |
| 283 rxReadIndex = 0; | |
| 284 } | |
| 285 } | |
| 286 | |
| 287 if(time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 2000) /* check for communication timeout */ | |
| 288 { | |
| 289 externalInterface_SetCO2State(0); | |
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290 CO2Connected = 0; |
| 662 | 291 } |
| 292 | |
| 293 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ | |
| 294 { | |
| 742 | 295 UART_StartDMA_Receiption(); |
| 662 | 296 } |
| 38 | 297 } |
| 690 | 298 #endif |
| 299 | |
| 300 #ifdef ENABLE_SENTINEL_MODE | |
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301 void UART_HandleSentinelData(void) |
| 690 | 302 { |
| 303 uint8_t localRX = rxReadIndex; | |
| 304 static uint8_t dataType = 0; | |
| 305 static uint32_t dataValue[3]; | |
| 306 static uint8_t dataValueIdx = 0; | |
| 307 static receiveState_t rxState = RX_Ready; | |
| 308 static uint32_t lastReceiveTick = 0; | |
| 309 static uint8_t lastAlive = 0; | |
| 310 static uint8_t curAlive = 0; | |
| 311 static uint8_t checksum = 0; | |
| 742 | 312 static char checksum_str[]="00"; |
| 690 | 313 |
| 742 | 314 while((rxBuffer[localRX]!=0)) |
| 690 | 315 { |
| 316 lastReceiveTick = HAL_GetTick(); | |
| 317 | |
| 318 switch(rxState) | |
| 319 { | |
| 320 case RX_Ready: if((rxBuffer[localRX] >= 'a') && (rxBuffer[localRX] <= 'z')) | |
| 321 { | |
| 322 rxState = RX_DetectStart; | |
| 323 curAlive = rxBuffer[localRX]; | |
| 324 checksum = 0; | |
| 325 } | |
| 326 break; | |
| 327 | |
| 328 case RX_DetectStart: checksum += rxBuffer[localRX]; | |
| 329 if(rxBuffer[localRX] == '1') | |
| 330 { | |
| 331 rxState = RX_SelectData; | |
| 332 dataType = 0xFF; | |
| 333 | |
| 334 } | |
| 335 else | |
| 336 { | |
| 337 rxState = RX_Ready; | |
| 338 } | |
| 339 break; | |
| 340 | |
| 341 case RX_SelectData: checksum += rxBuffer[localRX]; | |
| 342 switch(rxBuffer[localRX]) | |
| 343 { | |
| 344 case 'T': dataType = rxBuffer[localRX]; | |
| 345 break; | |
| 346 case '0': if(dataType != 0xff) | |
| 347 { | |
| 348 rxState = RX_Data0; | |
| 349 dataValueIdx = 0; | |
| 350 dataValue[0] = 0; | |
| 351 | |
| 352 } | |
| 353 else | |
| 354 { | |
| 355 rxState = RX_Ready; | |
| 356 } | |
| 357 break; | |
| 358 default: rxState = RX_Ready; | |
| 359 } | |
| 360 break; | |
| 361 | |
| 362 case RX_Data0: | |
| 363 case RX_Data1: | |
| 364 case RX_Data2: | |
| 365 case RX_Data4: | |
| 366 case RX_Data5: | |
| 367 case RX_Data6: | |
| 368 case RX_Data8: | |
| 369 case RX_Data9: | |
| 370 case RX_Data10: checksum += rxBuffer[localRX]; | |
| 371 if((rxBuffer[localRX] >= '0') && (rxBuffer[localRX] <= '9')) | |
| 372 { | |
| 373 dataValue[dataValueIdx] = dataValue[dataValueIdx] * 10 + (rxBuffer[localRX] - '0'); | |
| 374 rxState++; | |
| 375 } | |
| 376 else | |
| 377 { | |
| 378 rxState = RX_Ready; | |
| 379 } | |
| 380 break; | |
| 381 | |
| 382 case RX_Data3: | |
| 383 case RX_Data7: checksum += rxBuffer[localRX]; | |
| 384 if(rxBuffer[localRX] == '0') | |
| 385 { | |
| 386 rxState++; | |
| 387 dataValueIdx++; | |
| 388 dataValue[dataValueIdx] = 0; | |
| 389 } | |
| 390 else | |
| 391 { | |
| 392 rxState = RX_Ready; | |
| 393 } | |
| 394 break; | |
| 395 case RX_Data11: rxState = RX_DataComplete; | |
| 396 ConvertByteToHexString(checksum,checksum_str); | |
| 397 if(rxBuffer[localRX] == checksum_str[0]) | |
| 398 { | |
| 399 rxState = RX_DataComplete; | |
| 400 } | |
| 401 else | |
| 402 { | |
| 403 rxState = RX_Ready; | |
| 404 } | |
| 405 | |
| 406 break; | |
| 407 | |
| 408 case RX_DataComplete: if(rxBuffer[localRX] == checksum_str[1]) | |
| 409 { | |
| 410 setExternalInterfaceChannel(0,(float)(dataValue[0] / 10.0)); | |
| 411 setExternalInterfaceChannel(1,(float)(dataValue[1] / 10.0)); | |
| 412 setExternalInterfaceChannel(2,(float)(dataValue[2] / 10.0)); | |
| 742 | 413 SentinelConnected = 1; |
| 690 | 414 } |
| 415 rxState = RX_Ready; | |
| 416 break; | |
| 417 | |
| 418 | |
| 419 default: rxState = RX_Ready; | |
| 420 break; | |
| 421 | |
| 422 } | |
| 423 localRX++; | |
| 424 rxReadIndex++; | |
| 425 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
| 426 { | |
| 427 localRX = 0; | |
| 428 rxReadIndex = 0; | |
| 429 } | |
| 430 } | |
| 431 | |
| 432 if(time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 4000) /* check for communication timeout */ | |
| 433 { | |
| 434 if(curAlive == lastAlive) | |
| 435 { | |
| 436 setExternalInterfaceChannel(0,0.0); | |
| 437 setExternalInterfaceChannel(1,0.0); | |
| 438 setExternalInterfaceChannel(2,0.0); | |
| 742 | 439 SentinelConnected = 0; |
| 690 | 440 } |
| 441 lastAlive = curAlive; | |
| 442 } | |
| 443 | |
| 444 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ | |
| 445 { | |
| 742 | 446 UART_StartDMA_Receiption(); |
| 690 | 447 } |
| 448 } | |
| 449 #endif | |
| 38 | 450 |
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451 |
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452 |
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453 void UART_HandleDigitalO2(void) |
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454 { |
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455 static uint32_t lastO2ReqTick = 0; |
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456 |
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457 static uartO2RxState_t rxState = O2RX_IDLE; |
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458 static uint32_t lastReceiveTick = 0; |
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459 static uint8_t lastAlive = 0; |
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460 static uint8_t curAlive = 0; |
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461 |
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462 static uint8_t cmdLength = 0; |
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463 static uint8_t cmdString[10]; |
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464 static uint8_t cmdReadIndex = 0; |
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465 |
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466 uint32_t tmpO2 = 0; |
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467 uint32_t tmpData = 0; |
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468 uint8_t localRX = rxReadIndex; |
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469 uint32_t tick = HAL_GetTick(); |
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470 |
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471 |
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472 if(Comstatus_O2 == UART_O2_INIT) |
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473 { |
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474 memset((char*)&rxBuffer[rxWriteIndex],(int)0,CHUNK_SIZE); |
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475 memset((char*) &sensorDataDiveO2, 0, sizeof(sensorDataDiveO2)); |
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476 externalInterface_SetSensorData(0,(uint8_t*)&sensorDataDiveO2); |
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477 |
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478 lastAlive = 0; |
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479 curAlive = 0; |
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480 |
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481 Comstatus_O2 = UART_O2_CHECK; |
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482 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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483 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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484 |
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485 rxState = O2RX_CONFIRM; |
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486 cmdReadIndex = 0; |
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487 lastO2ReqTick = tick; |
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488 |
| 742 | 489 UART_StartDMA_Receiption(); |
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490 } |
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491 if(time_elapsed_ms(lastO2ReqTick,tick) > 1000) /* repeat request once per second */ |
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492 { |
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493 lastO2ReqTick = tick; |
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494 if(Comstatus_O2 == UART_O2_IDLE) /* cyclic request of o2 value */ |
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495 { |
| 721 | 496 Comstatus_O2 = UART_O2_REQ_RAW; |
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497 rxState = O2RX_CONFIRM; |
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498 } |
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499 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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500 |
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501 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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502 } |
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503 |
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504 while((rxBuffer[localRX]!=0)) |
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505 { |
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506 |
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507 lastReceiveTick = tick; |
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508 switch(rxState) |
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509 { |
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510 case O2RX_CONFIRM: if(rxBuffer[localRX] == '#') |
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511 { |
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512 cmdReadIndex = 0; |
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513 } |
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514 if(rxBuffer[localRX] == cmdString[cmdReadIndex]) |
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515 { |
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516 cmdReadIndex++; |
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517 if(cmdReadIndex == cmdLength - 1) |
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518 { |
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519 digO2Connected = 1; |
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520 tmpRxIdx = 0; |
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521 memset((char*) tmpRxBuf, 0, sizeof(tmpRxBuf)); |
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522 switch (Comstatus_O2) |
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523 { |
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524 case UART_O2_CHECK: Comstatus_O2 = UART_O2_REQ_ID; |
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525 rxState = O2RX_CONFIRM; |
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526 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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527 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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528 break; |
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529 case UART_O2_REQ_ID: rxState = O2RX_GETNR; |
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530 break; |
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531 case UART_O2_REQ_INFO: rxState = O2RX_GETTYPE; |
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532 break; |
| 721 | 533 case UART_O2_REQ_RAW: |
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534 case UART_O2_REQ_O2: rxState = O2RX_GETO2; |
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535 break; |
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536 default: Comstatus_O2 = UART_O2_IDLE; |
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537 rxState = O2RX_IDLE; |
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538 break; |
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539 } |
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540 } |
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541 } |
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542 break; |
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543 |
|
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|
544 case O2RX_GETSTATUS: |
|
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545 case O2RX_GETTEMP: |
|
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546 case O2RX_GETTYPE: |
|
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547 case O2RX_GETVERSION: |
|
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548 case O2RX_GETCHANNEL: |
|
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|
549 case O2RX_GETSUBSENSORS: |
|
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|
550 case O2RX_GETO2: |
| 721 | 551 case O2RX_GETNR: |
| 552 case O2RX_GETDPHI: | |
| 553 case O2RX_INTENSITY: | |
| 554 case O2RX_AMBIENTLIGHT: | |
| 555 case O2RX_PRESSURE: | |
| 556 case O2RX_HUMIDITY: | |
| 557 if(rxBuffer[localRX] != 0x0D) | |
|
704
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|
558 { |
|
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|
559 if(rxBuffer[localRX] != ' ') |
|
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|
560 { |
|
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|
561 tmpRxBuf[tmpRxIdx++] = rxBuffer[localRX]; |
|
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562 } |
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|
563 else |
|
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564 { |
|
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565 if(tmpRxIdx != 0) |
|
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|
566 { |
|
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|
567 switch(rxState) |
|
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568 { |
|
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569 case O2RX_GETCHANNEL: StringToInt(tmpRxBuf,&tmpData); |
|
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570 rxState = O2RX_GETVERSION; |
|
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571 break; |
|
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572 case O2RX_GETVERSION: StringToInt(tmpRxBuf,&tmpData); |
|
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573 rxState = O2RX_GETSUBSENSORS; |
|
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574 break; |
|
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575 case O2RX_GETTYPE: StringToInt(tmpRxBuf,&tmpData); |
|
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576 rxState = O2RX_GETCHANNEL; |
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577 break; |
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578 |
|
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|
579 case O2RX_GETO2: StringToInt(tmpRxBuf,&tmpO2); |
|
729
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580 setExternalInterfaceChannel(ppO2TargetChannel,(float)(tmpO2 / 10000.0)); |
|
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|
581 rxState = O2RX_GETTEMP; |
|
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582 break; |
|
714
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|
583 case O2RX_GETTEMP: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.temperature); |
|
045ff7800501
Added customizable data area for specific sensor data:
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584 rxState = O2RX_GETSTATUS; |
|
704
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|
585 break; |
| 721 | 586 case O2RX_GETSTATUS: StringToInt(tmpRxBuf,&sensorDataDiveO2.status); /* raw data cycle */ |
| 587 rxState = O2RX_GETDPHI; | |
| 588 break; | |
| 589 case O2RX_GETDPHI: /* ignored to save memory and most likly irrelevant for diver */ | |
| 590 rxState = O2RX_INTENSITY; | |
| 591 break; | |
| 592 case O2RX_INTENSITY: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.intensity); /* raw data cycle */ | |
| 593 rxState = O2RX_AMBIENTLIGHT; | |
| 594 break; | |
| 595 case O2RX_AMBIENTLIGHT: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.ambient); /* raw data cycle */ | |
| 596 rxState = O2RX_PRESSURE; | |
| 597 break; | |
| 598 case O2RX_PRESSURE: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.pressure); /* raw data cycle */ | |
| 599 rxState = O2RX_HUMIDITY; | |
| 600 break; | |
|
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|
601 default: |
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602 break; |
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603 } |
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604 memset((char*) tmpRxBuf, 0, tmpRxIdx); |
|
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605 tmpRxIdx = 0; |
|
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606 } |
|
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607 } |
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608 } |
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609 else |
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|
610 { |
|
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|
611 switch (rxState) |
|
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|
612 { |
|
714
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diff
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|
613 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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|
614 externalInterface_SetSensorData(1,(uint8_t*)&sensorDataDiveO2); |
|
704
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diff
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|
615 Comstatus_O2 = UART_O2_IDLE; |
|
f1b40364b0af
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diff
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|
616 rxState = O2RX_IDLE; |
|
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|
617 break; |
|
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|
618 case O2RX_GETSUBSENSORS: StringToInt(tmpRxBuf,&tmpData); |
|
f1b40364b0af
Added protocol functions for UART DiveO2 sensor:
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|
619 Comstatus_O2 = UART_O2_IDLE; |
|
f1b40364b0af
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|
620 rxState = O2RX_IDLE; |
|
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|
621 break; |
| 721 | 622 case O2RX_HUMIDITY: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.humidity); /* raw data cycle */ |
| 623 externalInterface_SetSensorData(1,(uint8_t*)&sensorDataDiveO2); | |
| 624 Comstatus_O2 = UART_O2_IDLE; | |
| 625 rxState = O2RX_IDLE; | |
| 626 break; | |
|
714
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changeset
|
627 case O2RX_GETNR: StringToUInt64((char*)tmpRxBuf,&sensorDataDiveO2.sensorId); |
|
704
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diff
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|
628 /* no break */ |
|
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|
629 default: Comstatus_O2 = UART_O2_IDLE; |
|
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|
630 rxState = O2RX_IDLE; |
|
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|
631 break; |
|
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632 } |
|
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|
633 } |
|
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|
634 break; |
|
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635 default: rxState = O2RX_IDLE; |
|
f1b40364b0af
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|
636 break; |
|
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|
637 |
|
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|
638 } |
|
729
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639 rxBuffer[localRX] = 0; |
|
704
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|
640 localRX++; |
|
f1b40364b0af
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|
641 rxReadIndex++; |
|
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|
642 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) |
|
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diff
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|
643 { |
|
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|
644 localRX = 0; |
|
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|
645 rxReadIndex = 0; |
|
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|
646 } |
|
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|
647 } |
|
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|
648 |
|
729
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diff
changeset
|
649 if((digO2Connected) && time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 4000) /* check for communication timeout */ |
|
704
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|
650 { |
|
729
d646a0f724a7
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diff
changeset
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651 digO2Connected = 0; |
|
704
f1b40364b0af
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diff
changeset
|
652 if(curAlive == lastAlive) |
|
f1b40364b0af
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|
653 { |
|
729
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changeset
|
654 setExternalInterfaceChannel(ppO2TargetChannel,0.0); |
|
704
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diff
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|
655 } |
|
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diff
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|
656 lastAlive = curAlive; |
|
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|
657 } |
|
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diff
changeset
|
658 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ |
|
f1b40364b0af
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|
659 { |
| 742 | 660 UART_StartDMA_Receiption(); |
|
704
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|
661 } |
|
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|
662 } |
|
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|
663 |
|
729
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diff
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|
664 uint8_t UART_isDigO2Connected() |
|
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|
665 { |
|
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|
666 return digO2Connected; |
|
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|
667 } |
|
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diff
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|
668 uint8_t UART_isCO2Connected() |
|
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|
669 { |
|
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|
670 return CO2Connected; |
|
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|
671 } |
| 742 | 672 uint8_t UART_isSentinelConnected() |
| 673 { | |
| 674 return SentinelConnected; | |
| 675 } | |
|
729
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|
676 |
|
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|
677 void UART_setTargetChannel(uint8_t channel) |
|
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678 { |
|
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679 ppO2TargetChannel = channel; |
|
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680 } |
|
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|
681 |
| 662 | 682 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) |
| 38 | 683 { |
| 662 | 684 if(huart == &huart1) |
| 685 { | |
| 686 dmaActive = 0; | |
| 687 rxWriteIndex+=CHUNK_SIZE; | |
| 688 if(rxWriteIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
| 689 { | |
| 690 rxWriteIndex = 0; | |
| 691 } | |
| 692 if((rxWriteIndex / CHUNK_SIZE) != (rxReadIndex / CHUNK_SIZE)) /* start next transfer if we did not catch up with read index */ | |
| 693 { | |
| 694 if(externalInterface_isEnabledPower33()) | |
| 695 { | |
|
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696 memset((char*)&rxBuffer[rxWriteIndex],(int)0,CHUNK_SIZE); |
| 742 | 697 UART_StartDMA_Receiption(); |
| 662 | 698 } |
| 699 } | |
| 700 } | |
| 38 | 701 } |
| 702 | |
| 703 | |
| 662 | 704 |
| 38 | 705 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/ |