Mercurial > public > ostc4
annotate Small_CPU/Src/uart.c @ 777:6a8cf91e5b22
This is only showing if one of the compass views is visible. It should make it possible to verify that a correct heading is set as the user can see the compass readout when pushing the button. (mikeller)
author | heinrichsweikamp |
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date | Mon, 22 May 2023 09:14:27 +0200 |
parents | df0d43da1614 |
children | 0b5f45448eb6 |
rev | line source |
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38 | 1 /** |
2 ****************************************************************************** | |
3 * @file uart.c | |
4 * @author heinrichs weikamp gmbh | |
5 * @version V0.0.1 | |
6 * @date 27-March-2014 | |
7 * @brief button control | |
8 * | |
9 @verbatim | |
10 ============================================================================== | |
11 ##### How to use ##### | |
12 ============================================================================== | |
13 @endverbatim | |
14 ****************************************************************************** | |
15 * @attention | |
16 * | |
17 * <h2><center>© COPYRIGHT(c) 2015 heinrichs weikamp</center></h2> | |
18 * | |
19 ****************************************************************************** | |
20 */ | |
21 /* Includes ------------------------------------------------------------------*/ | |
22 #include "uart.h" | |
662 | 23 #include "externalInterface.h" |
24 #include "data_exchange.h" | |
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25 #include <string.h> /* memset */ |
38 | 26 |
27 /* Private variables ---------------------------------------------------------*/ | |
28 | |
721 | 29 #define CHUNK_SIZE (25u) /* the DMA will handle chunk size transfers */ |
30 #define CHUNKS_PER_BUFFER (5u) | |
662 | 31 UART_HandleTypeDef huart1; |
32 | |
33 DMA_HandleTypeDef hdma_usart1_rx; | |
38 | 34 |
662 | 35 uint8_t rxBuffer[CHUNK_SIZE * CHUNKS_PER_BUFFER]; /* The complete buffer has a X * chunk size to allow fariations in buffer read time */ |
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36 static uint8_t rxWriteIndex; /* Index of the data item which is analysed */ |
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37 static uint8_t rxReadIndex; /* Index at which new data is stared */ |
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38 static uint8_t lastCmdIndex; /* Index of last command which has not been completly received */ |
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39 static uint8_t dmaActive; /* Indicator if DMA reception needs to be started */ |
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40 static uint8_t digO2Connected = 0; /* Binary indicator if a sensor is connected or not */ |
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41 static uint8_t CO2Connected = 0; /* Binary indicator if a sensor is connected or not */ |
742 | 42 static uint8_t SentinelConnected = 0; /* Binary indicator if a sensor is connected or not */ |
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43 static uint8_t ppO2TargetChannel = 0; /* The OSTC4 supports three slots for visualization of the ppo2. This one is reserved for the digital sensor */ |
38 | 44 |
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45 static SSensorDataDiveO2 sensorDataDiveO2; /* intermediate storage for additional sensor data */ |
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46 |
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47 char tmpRxBuf[30]; |
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48 uint8_t tmpRxIdx = 0; |
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49 |
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50 static uartO2Status_t Comstatus_O2 = UART_O2_INIT; |
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51 |
662 | 52 float LED_Level = 0.0; /* Normalized LED value which may be used as indication for the health status of the sensor */ |
53 float LED_ZeroOffset = 0.0; | |
54 float pCO2 = 0.0; | |
38 | 55 /* Exported functions --------------------------------------------------------*/ |
56 | |
662 | 57 void MX_USART1_UART_Init(void) |
38 | 58 { |
662 | 59 /* regular init */ |
60 | |
61 huart1.Instance = USART1; | |
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62 |
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63 if(externalInterface_GetUARTProtocol() == 0x04) |
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64 { |
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65 huart1.Init.BaudRate = 19200; |
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66 Comstatus_O2 = UART_O2_INIT; |
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67 } |
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68 else |
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69 { |
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70 huart1.Init.BaudRate = 9600; |
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71 } |
662 | 72 huart1.Init.WordLength = UART_WORDLENGTH_8B; |
73 huart1.Init.StopBits = UART_STOPBITS_1; | |
74 huart1.Init.Parity = UART_PARITY_NONE; | |
75 huart1.Init.Mode = UART_MODE_TX_RX; | |
76 huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE; | |
77 huart1.Init.OverSampling = UART_OVERSAMPLING_16; | |
78 | |
79 HAL_UART_Init(&huart1); | |
80 | |
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81 MX_USART1_DMA_Init(); |
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82 |
731 | 83 memset(rxBuffer,0,sizeof(rxBuffer)); |
662 | 84 rxReadIndex = 0; |
85 lastCmdIndex = 0; | |
86 rxWriteIndex = 0; | |
87 dmaActive = 0; | |
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88 digO2Connected = 0; |
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89 CO2Connected = 0; |
742 | 90 SentinelConnected = 0; |
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91 Comstatus_O2 = UART_O2_INIT; |
662 | 92 } |
38 | 93 |
662 | 94 void MX_USART1_UART_DeInit(void) |
95 { | |
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96 HAL_DMA_Abort(&hdma_usart1_rx); |
662 | 97 HAL_DMA_DeInit(&hdma_usart1_rx); |
98 HAL_UART_DeInit(&huart1); | |
99 } | |
100 | |
101 void MX_USART1_DMA_Init() | |
102 { | |
103 /* DMA controller clock enable */ | |
104 __DMA2_CLK_ENABLE(); | |
105 | |
106 /* Peripheral DMA init*/ | |
107 hdma_usart1_rx.Instance = DMA2_Stream5; | |
108 hdma_usart1_rx.Init.Channel = DMA_CHANNEL_4; | |
109 hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; //DMA_MEMORY_TO_PERIPH; | |
110 hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE; | |
111 hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE; | |
112 hdma_usart1_rx.Init.PeriphDataAlignment = DMA_MDATAALIGN_BYTE; | |
113 hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; | |
114 hdma_usart1_rx.Init.Mode = DMA_NORMAL; | |
115 hdma_usart1_rx.Init.Priority = DMA_PRIORITY_LOW; | |
116 hdma_usart1_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; | |
117 HAL_DMA_Init(&hdma_usart1_rx); | |
118 | |
119 __HAL_LINKDMA(&huart1,hdmarx,hdma_usart1_rx); | |
120 | |
121 /* DMA interrupt init */ | |
122 HAL_NVIC_SetPriority(DMA2_Stream5_IRQn, 0, 0); | |
123 HAL_NVIC_EnableIRQ(DMA2_Stream5_IRQn); | |
38 | 124 } |
125 | |
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126 |
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127 void DigitalO2_SetupCmd(uint8_t O2State, uint8_t *cmdString, uint8_t *cmdLength) |
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128 { |
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129 switch (O2State) |
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130 { |
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131 case UART_O2_CHECK: *cmdLength = snprintf((char*)cmdString, 10, "#LOGO"); |
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132 break; |
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133 case UART_O2_REQ_INFO: *cmdLength = snprintf((char*)cmdString, 10, "#VERS"); |
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134 break; |
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135 case UART_O2_REQ_ID: *cmdLength = snprintf((char*)cmdString, 10, "#IDNR"); |
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136 break; |
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137 case UART_O2_REQ_O2: *cmdLength = snprintf((char*)cmdString, 10, "#DOXY"); |
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138 break; |
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139 case UART_O2_REQ_RAW: *cmdLength = snprintf((char*)cmdString, 10, "#DRAW"); |
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140 break; |
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141 default: *cmdLength = 0; |
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142 break; |
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143 } |
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144 if(*cmdLength != 0) |
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145 { |
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146 cmdString[*cmdLength] = 0x0D; |
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147 *cmdLength = *cmdLength + 1; |
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148 } |
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149 } |
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150 |
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151 void StringToInt(char *pstr, uint32_t *puInt32) |
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152 { |
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153 uint8_t index = 0; |
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154 uint32_t result = 0; |
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155 while((pstr[index] >= '0') && (pstr[index] <= '9')) |
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156 { |
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157 result *=10; |
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158 result += pstr[index] - '0'; |
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159 index++; |
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160 } |
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161 *puInt32 = result; |
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162 } |
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163 |
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164 void StringToUInt64(char *pstr, uint64_t *puint64) |
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165 { |
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166 uint8_t index = 0; |
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167 uint64_t result = 0; |
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168 while((pstr[index] >= '0') && (pstr[index] <= '9')) |
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169 { |
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170 result *=10; |
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171 result += pstr[index] - '0'; |
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172 index++; |
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173 } |
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174 *puint64 = result; |
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175 } |
690 | 176 void ConvertByteToHexString(uint8_t byte, char* str) |
177 { | |
178 uint8_t worker = 0; | |
179 uint8_t digit = 0; | |
180 uint8_t digitCnt = 1; | |
38 | 181 |
690 | 182 worker = byte; |
183 while((worker!=0) && (digitCnt != 255)) | |
184 { | |
185 digit = worker % 16; | |
186 if( digit < 10) | |
187 { | |
188 digit += '0'; | |
189 } | |
190 else | |
191 { | |
192 digit += 'A' - 10; | |
193 } | |
194 str[digitCnt--]= digit; | |
195 worker = worker / 16; | |
196 } | |
197 } | |
662 | 198 |
742 | 199 void UART_StartDMA_Receiption() |
200 { | |
201 if(HAL_OK == HAL_UART_Receive_DMA (&huart1, &rxBuffer[rxWriteIndex], CHUNK_SIZE)) | |
202 { | |
203 dmaActive = 1; | |
204 } | |
205 } | |
690 | 206 |
207 #ifdef ENABLE_CO2_SUPPORT | |
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208 void UART_HandleCO2Data(void) |
38 | 209 { |
662 | 210 uint8_t localRX = rxReadIndex; |
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211 static uint8_t dataType = 0; |
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212 static uint32_t dataValue = 0; |
662 | 213 static receiveState_t rxState = RX_Ready; |
214 static uint32_t lastReceiveTick = 0; | |
215 | |
725 | 216 |
217 while((rxBuffer[localRX]!=0)) | |
662 | 218 { |
219 lastReceiveTick = HAL_GetTick(); | |
220 if(rxState == RX_Ready) /* identify data content */ | |
221 { | |
222 switch(rxBuffer[localRX]) | |
223 { | |
224 case 'l': | |
225 case 'D': | |
226 case 'Z': | |
227 dataType = rxBuffer[localRX]; | |
228 rxState = RX_Data0; | |
229 dataValue = 0; | |
230 break; | |
231 | |
232 default: /* unknown or corrupted => ignore */ | |
233 break; | |
234 } | |
235 } | |
725 | 236 else if((rxBuffer[localRX] >= '0') && (rxBuffer[localRX] <= '9')) |
662 | 237 { |
725 | 238 if((rxState >= RX_Data0) && (rxState <= RX_Data4)) |
662 | 239 { |
240 dataValue = dataValue * 10 + (rxBuffer[localRX] - '0'); | |
241 rxState++; | |
725 | 242 if(rxState == RX_Data5) |
243 { | |
244 rxState = RX_DataComplete; | |
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245 CO2Connected = 1; |
725 | 246 } |
247 } | |
248 else /* protocol error data has max 5 digits */ | |
249 { | |
250 rxState = RX_Ready; | |
662 | 251 } |
252 } | |
253 if((rxBuffer[localRX] == ' ') || (rxBuffer[localRX] == '\n')) /* Abort data detection */ | |
254 { | |
255 if(rxState == RX_DataComplete) | |
256 { | |
257 if(externalInterface_GetCO2State() == 0) | |
258 { | |
259 externalInterface_SetCO2State(EXT_INTERFACE_33V_ON); | |
260 } | |
261 switch(dataType) | |
262 { | |
263 case 'D': externalInterface_SetCO2SignalStrength(dataValue); | |
264 break; | |
265 case 'l': LED_ZeroOffset = dataValue; | |
266 break; | |
267 case 'Z': externalInterface_SetCO2Value(dataValue); | |
268 break; | |
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269 default: rxState = RX_Ready; |
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270 break; |
662 | 271 } |
272 } | |
273 if(rxState != RX_Data0) /* reset state machine because message in wrong format */ | |
274 { | |
275 rxState = RX_Ready; | |
276 } | |
277 } | |
742 | 278 rxBuffer[localRX] = 0; |
662 | 279 localRX++; |
280 rxReadIndex++; | |
281 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
282 { | |
283 localRX = 0; | |
284 rxReadIndex = 0; | |
285 } | |
286 } | |
287 | |
288 if(time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 2000) /* check for communication timeout */ | |
289 { | |
290 externalInterface_SetCO2State(0); | |
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291 CO2Connected = 0; |
662 | 292 } |
293 | |
294 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ | |
295 { | |
742 | 296 UART_StartDMA_Receiption(); |
662 | 297 } |
38 | 298 } |
690 | 299 #endif |
300 | |
301 #ifdef ENABLE_SENTINEL_MODE | |
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302 void UART_HandleSentinelData(void) |
690 | 303 { |
304 uint8_t localRX = rxReadIndex; | |
305 static uint8_t dataType = 0; | |
306 static uint32_t dataValue[3]; | |
307 static uint8_t dataValueIdx = 0; | |
308 static receiveState_t rxState = RX_Ready; | |
309 static uint32_t lastReceiveTick = 0; | |
310 static uint8_t lastAlive = 0; | |
311 static uint8_t curAlive = 0; | |
312 static uint8_t checksum = 0; | |
742 | 313 static char checksum_str[]="00"; |
690 | 314 |
742 | 315 while((rxBuffer[localRX]!=0)) |
690 | 316 { |
317 lastReceiveTick = HAL_GetTick(); | |
318 | |
319 switch(rxState) | |
320 { | |
321 case RX_Ready: if((rxBuffer[localRX] >= 'a') && (rxBuffer[localRX] <= 'z')) | |
322 { | |
323 rxState = RX_DetectStart; | |
324 curAlive = rxBuffer[localRX]; | |
325 checksum = 0; | |
326 } | |
327 break; | |
328 | |
329 case RX_DetectStart: checksum += rxBuffer[localRX]; | |
330 if(rxBuffer[localRX] == '1') | |
331 { | |
332 rxState = RX_SelectData; | |
333 dataType = 0xFF; | |
334 | |
335 } | |
336 else | |
337 { | |
338 rxState = RX_Ready; | |
339 } | |
340 break; | |
341 | |
342 case RX_SelectData: checksum += rxBuffer[localRX]; | |
343 switch(rxBuffer[localRX]) | |
344 { | |
345 case 'T': dataType = rxBuffer[localRX]; | |
346 break; | |
347 case '0': if(dataType != 0xff) | |
348 { | |
349 rxState = RX_Data0; | |
350 dataValueIdx = 0; | |
351 dataValue[0] = 0; | |
352 | |
353 } | |
354 else | |
355 { | |
356 rxState = RX_Ready; | |
357 } | |
358 break; | |
359 default: rxState = RX_Ready; | |
360 } | |
361 break; | |
362 | |
363 case RX_Data0: | |
364 case RX_Data1: | |
365 case RX_Data2: | |
366 case RX_Data4: | |
367 case RX_Data5: | |
368 case RX_Data6: | |
369 case RX_Data8: | |
370 case RX_Data9: | |
371 case RX_Data10: checksum += rxBuffer[localRX]; | |
372 if((rxBuffer[localRX] >= '0') && (rxBuffer[localRX] <= '9')) | |
373 { | |
374 dataValue[dataValueIdx] = dataValue[dataValueIdx] * 10 + (rxBuffer[localRX] - '0'); | |
375 rxState++; | |
376 } | |
377 else | |
378 { | |
379 rxState = RX_Ready; | |
380 } | |
381 break; | |
382 | |
383 case RX_Data3: | |
384 case RX_Data7: checksum += rxBuffer[localRX]; | |
385 if(rxBuffer[localRX] == '0') | |
386 { | |
387 rxState++; | |
388 dataValueIdx++; | |
389 dataValue[dataValueIdx] = 0; | |
390 } | |
391 else | |
392 { | |
393 rxState = RX_Ready; | |
394 } | |
395 break; | |
396 case RX_Data11: rxState = RX_DataComplete; | |
397 ConvertByteToHexString(checksum,checksum_str); | |
398 if(rxBuffer[localRX] == checksum_str[0]) | |
399 { | |
400 rxState = RX_DataComplete; | |
401 } | |
402 else | |
403 { | |
404 rxState = RX_Ready; | |
405 } | |
406 | |
407 break; | |
408 | |
409 case RX_DataComplete: if(rxBuffer[localRX] == checksum_str[1]) | |
410 { | |
411 setExternalInterfaceChannel(0,(float)(dataValue[0] / 10.0)); | |
412 setExternalInterfaceChannel(1,(float)(dataValue[1] / 10.0)); | |
413 setExternalInterfaceChannel(2,(float)(dataValue[2] / 10.0)); | |
742 | 414 SentinelConnected = 1; |
690 | 415 } |
416 rxState = RX_Ready; | |
417 break; | |
418 | |
419 | |
420 default: rxState = RX_Ready; | |
421 break; | |
422 | |
423 } | |
424 localRX++; | |
425 rxReadIndex++; | |
426 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
427 { | |
428 localRX = 0; | |
429 rxReadIndex = 0; | |
430 } | |
431 } | |
432 | |
433 if(time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 4000) /* check for communication timeout */ | |
434 { | |
435 if(curAlive == lastAlive) | |
436 { | |
437 setExternalInterfaceChannel(0,0.0); | |
438 setExternalInterfaceChannel(1,0.0); | |
439 setExternalInterfaceChannel(2,0.0); | |
742 | 440 SentinelConnected = 0; |
690 | 441 } |
442 lastAlive = curAlive; | |
443 } | |
444 | |
445 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ | |
446 { | |
742 | 447 UART_StartDMA_Receiption(); |
690 | 448 } |
449 } | |
450 #endif | |
38 | 451 |
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452 |
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453 |
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454 void UART_HandleDigitalO2(void) |
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455 { |
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456 static uint32_t lastO2ReqTick = 0; |
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457 |
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458 static uartO2RxState_t rxState = O2RX_IDLE; |
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459 static uint32_t lastReceiveTick = 0; |
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460 static uint8_t lastAlive = 0; |
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461 static uint8_t curAlive = 0; |
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462 |
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463 static uint8_t cmdLength = 0; |
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464 static uint8_t cmdString[10]; |
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465 static uint8_t cmdReadIndex = 0; |
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466 |
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467 uint32_t tmpO2 = 0; |
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468 uint32_t tmpData = 0; |
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469 uint8_t localRX = rxReadIndex; |
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470 uint32_t tick = HAL_GetTick(); |
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471 |
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472 |
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473 if(Comstatus_O2 == UART_O2_INIT) |
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474 { |
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475 memset((char*)&rxBuffer[rxWriteIndex],(int)0,CHUNK_SIZE); |
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476 memset((char*) &sensorDataDiveO2, 0, sizeof(sensorDataDiveO2)); |
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477 externalInterface_SetSensorData(0,(uint8_t*)&sensorDataDiveO2); |
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478 |
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479 lastAlive = 0; |
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480 curAlive = 0; |
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481 |
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482 Comstatus_O2 = UART_O2_CHECK; |
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483 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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484 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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485 |
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486 rxState = O2RX_CONFIRM; |
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487 cmdReadIndex = 0; |
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488 lastO2ReqTick = tick; |
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489 |
742 | 490 UART_StartDMA_Receiption(); |
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491 } |
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492 if(time_elapsed_ms(lastO2ReqTick,tick) > 1000) /* repeat request once per second */ |
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493 { |
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494 lastO2ReqTick = tick; |
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495 if(Comstatus_O2 == UART_O2_IDLE) /* cyclic request of o2 value */ |
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496 { |
721 | 497 Comstatus_O2 = UART_O2_REQ_RAW; |
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498 rxState = O2RX_CONFIRM; |
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499 } |
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500 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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501 |
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502 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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503 } |
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504 |
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505 while((rxBuffer[localRX]!=0)) |
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506 { |
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507 |
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508 lastReceiveTick = tick; |
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509 switch(rxState) |
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510 { |
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511 case O2RX_CONFIRM: if(rxBuffer[localRX] == '#') |
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512 { |
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513 cmdReadIndex = 0; |
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514 } |
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515 if(rxBuffer[localRX] == cmdString[cmdReadIndex]) |
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516 { |
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517 cmdReadIndex++; |
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518 if(cmdReadIndex == cmdLength - 1) |
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519 { |
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520 digO2Connected = 1; |
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521 tmpRxIdx = 0; |
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522 memset((char*) tmpRxBuf, 0, sizeof(tmpRxBuf)); |
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523 switch (Comstatus_O2) |
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524 { |
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525 case UART_O2_CHECK: Comstatus_O2 = UART_O2_REQ_ID; |
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526 rxState = O2RX_CONFIRM; |
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527 DigitalO2_SetupCmd(Comstatus_O2,cmdString,&cmdLength); |
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528 HAL_UART_Transmit(&huart1,cmdString,cmdLength,10); |
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529 break; |
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530 case UART_O2_REQ_ID: rxState = O2RX_GETNR; |
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531 break; |
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532 case UART_O2_REQ_INFO: rxState = O2RX_GETTYPE; |
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533 break; |
721 | 534 case UART_O2_REQ_RAW: |
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535 case UART_O2_REQ_O2: rxState = O2RX_GETO2; |
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536 break; |
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537 default: Comstatus_O2 = UART_O2_IDLE; |
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538 rxState = O2RX_IDLE; |
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539 break; |
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540 } |
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541 } |
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542 } |
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543 break; |
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544 |
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545 case O2RX_GETSTATUS: |
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546 case O2RX_GETTEMP: |
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547 case O2RX_GETTYPE: |
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548 case O2RX_GETVERSION: |
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549 case O2RX_GETCHANNEL: |
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550 case O2RX_GETSUBSENSORS: |
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551 case O2RX_GETO2: |
721 | 552 case O2RX_GETNR: |
553 case O2RX_GETDPHI: | |
554 case O2RX_INTENSITY: | |
555 case O2RX_AMBIENTLIGHT: | |
556 case O2RX_PRESSURE: | |
557 case O2RX_HUMIDITY: | |
558 if(rxBuffer[localRX] != 0x0D) | |
704
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559 { |
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560 if(rxBuffer[localRX] != ' ') |
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561 { |
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562 tmpRxBuf[tmpRxIdx++] = rxBuffer[localRX]; |
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563 } |
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564 else |
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565 { |
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566 if(tmpRxIdx != 0) |
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567 { |
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568 switch(rxState) |
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569 { |
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570 case O2RX_GETCHANNEL: StringToInt(tmpRxBuf,&tmpData); |
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571 rxState = O2RX_GETVERSION; |
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572 break; |
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573 case O2RX_GETVERSION: StringToInt(tmpRxBuf,&tmpData); |
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574 rxState = O2RX_GETSUBSENSORS; |
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575 break; |
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576 case O2RX_GETTYPE: StringToInt(tmpRxBuf,&tmpData); |
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577 rxState = O2RX_GETCHANNEL; |
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578 break; |
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579 |
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580 case O2RX_GETO2: StringToInt(tmpRxBuf,&tmpO2); |
729
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581 setExternalInterfaceChannel(ppO2TargetChannel,(float)(tmpO2 / 10000.0)); |
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582 rxState = O2RX_GETTEMP; |
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583 break; |
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584 case O2RX_GETTEMP: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.temperature); |
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585 rxState = O2RX_GETSTATUS; |
704
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586 break; |
721 | 587 case O2RX_GETSTATUS: StringToInt(tmpRxBuf,&sensorDataDiveO2.status); /* raw data cycle */ |
588 rxState = O2RX_GETDPHI; | |
589 break; | |
590 case O2RX_GETDPHI: /* ignored to save memory and most likly irrelevant for diver */ | |
591 rxState = O2RX_INTENSITY; | |
592 break; | |
593 case O2RX_INTENSITY: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.intensity); /* raw data cycle */ | |
594 rxState = O2RX_AMBIENTLIGHT; | |
595 break; | |
596 case O2RX_AMBIENTLIGHT: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.ambient); /* raw data cycle */ | |
597 rxState = O2RX_PRESSURE; | |
598 break; | |
599 case O2RX_PRESSURE: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.pressure); /* raw data cycle */ | |
600 rxState = O2RX_HUMIDITY; | |
601 break; | |
704
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602 default: |
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603 break; |
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604 } |
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605 memset((char*) tmpRxBuf, 0, tmpRxIdx); |
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606 tmpRxIdx = 0; |
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607 } |
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608 } |
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609 } |
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610 else |
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611 { |
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612 switch (rxState) |
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613 { |
714
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614 case O2RX_GETSTATUS: StringToInt(tmpRxBuf,&sensorDataDiveO2.status); |
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615 externalInterface_SetSensorData(1,(uint8_t*)&sensorDataDiveO2); |
704
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616 Comstatus_O2 = UART_O2_IDLE; |
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617 rxState = O2RX_IDLE; |
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618 break; |
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619 case O2RX_GETSUBSENSORS: StringToInt(tmpRxBuf,&tmpData); |
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620 Comstatus_O2 = UART_O2_IDLE; |
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621 rxState = O2RX_IDLE; |
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622 break; |
721 | 623 case O2RX_HUMIDITY: StringToInt(tmpRxBuf,(uint32_t*)&sensorDataDiveO2.humidity); /* raw data cycle */ |
624 externalInterface_SetSensorData(1,(uint8_t*)&sensorDataDiveO2); | |
625 Comstatus_O2 = UART_O2_IDLE; | |
626 rxState = O2RX_IDLE; | |
627 break; | |
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628 case O2RX_GETNR: StringToUInt64((char*)tmpRxBuf,&sensorDataDiveO2.sensorId); |
704
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629 /* no break */ |
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630 default: Comstatus_O2 = UART_O2_IDLE; |
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631 rxState = O2RX_IDLE; |
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632 break; |
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633 } |
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634 } |
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635 break; |
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636 default: rxState = O2RX_IDLE; |
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637 break; |
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638 |
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639 } |
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640 rxBuffer[localRX] = 0; |
704
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641 localRX++; |
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642 rxReadIndex++; |
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643 if(rxReadIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) |
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644 { |
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645 localRX = 0; |
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646 rxReadIndex = 0; |
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647 } |
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648 } |
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649 |
729
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650 if((digO2Connected) && time_elapsed_ms(lastReceiveTick,HAL_GetTick()) > 4000) /* check for communication timeout */ |
704
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651 { |
729
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652 digO2Connected = 0; |
704
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653 if(curAlive == lastAlive) |
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654 { |
729
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655 setExternalInterfaceChannel(ppO2TargetChannel,0.0); |
704
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656 } |
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657 lastAlive = curAlive; |
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658 } |
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659 if((dmaActive == 0) && (externalInterface_isEnabledPower33())) /* Should never happen in normal operation => restart in case of communication error */ |
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660 { |
742 | 661 UART_StartDMA_Receiption(); |
704
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662 } |
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663 } |
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664 |
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665 uint8_t UART_isDigO2Connected() |
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666 { |
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667 return digO2Connected; |
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668 } |
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669 uint8_t UART_isCO2Connected() |
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670 { |
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671 return CO2Connected; |
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672 } |
742 | 673 uint8_t UART_isSentinelConnected() |
674 { | |
675 return SentinelConnected; | |
676 } | |
729
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677 |
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678 void UART_setTargetChannel(uint8_t channel) |
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679 { |
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680 ppO2TargetChannel = channel; |
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681 } |
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|
682 |
662 | 683 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) |
38 | 684 { |
662 | 685 if(huart == &huart1) |
686 { | |
687 dmaActive = 0; | |
688 rxWriteIndex+=CHUNK_SIZE; | |
689 if(rxWriteIndex >= CHUNK_SIZE * CHUNKS_PER_BUFFER) | |
690 { | |
691 rxWriteIndex = 0; | |
692 } | |
693 if((rxWriteIndex / CHUNK_SIZE) != (rxReadIndex / CHUNK_SIZE)) /* start next transfer if we did not catch up with read index */ | |
694 { | |
695 if(externalInterface_isEnabledPower33()) | |
696 { | |
704
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697 memset((char*)&rxBuffer[rxWriteIndex],(int)0,CHUNK_SIZE); |
742 | 698 UART_StartDMA_Receiption(); |
662 | 699 } |
700 } | |
701 } | |
38 | 702 } |
703 | |
704 | |
662 | 705 |
38 | 706 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/ |