CLEON  Version 1
Cloud-Offloaded GPS Receiver
app_usb.c
Go to the documentation of this file.
1 
7 #include "cleon_conf.h"
8 #include "app_define.h"
9 #include "sys_define.h"
10 #include "hal_define.h"
11 #include "fs_define.h"
12 
13 // RTC time
14 extern rtc_time_u uniRTCTime;
15 
16 // Second and millisecond time tick
17 extern milliseoncd_time_tick_u uniMillisecondTimeTick;
18 extern seoncd_time_tick_u uniSecondTimeTick;
19 
20 // USB reception frame
21 extern usb_frame_u uniUSBRecvFrame;
22 
23 // Counting number of samples stored in a file
24 extern unsigned long ulNumberOfCLEONSamplesInAFileCount;
25 
26 // Flags
27 extern bool bFLAG_USBConnected;
28 extern bool bFLAG_USBFrameReceived;
29 extern bool bFLAG_IsTimeSynced;
30 extern bool bFLAG_RTCTimeTickOfSecond;
31 
32 // File system variables
33 extern FIL fileObject;
34 extern UINT bw;
35 extern char sFilename[50];
36 
37 // User parameters
38 extern unsigned long ulSampleCount;
39 extern unsigned long ulSampleGap;
40 extern unsigned long ulChunkCount;
41 extern unsigned long ulChunkGap;
42 
43 /*----------------------------------------------------------------------------*/
53 void APP_USB_ProcessingRcvdFrame()
54 {
56  // Check if USB frame has been received
57  if(bFLAG_USBFrameReceived == _SET_){
58  bFLAG_USBFrameReceived = _CLEAR_;
59 
61  // Identify command contained in the USB frame
62  switch(uniUSBRecvFrame.stUSBFrame.ucCommand){
63 
65  case USB_FRAME_COMMAND_CONNECT:
66  // Transmit ACK
67  SYS_USB_SendACK(uniUSBRecvFrame.stUSBFrame.ucCommand);
68  break;
69 
71  case USB_FRAME_COMMAND_UPDATE_RTC_TIME:
72  // Transmit ACK
73  SYS_USB_SendACK(uniUSBRecvFrame.stUSBFrame.ucCommand);
74  HAL_SetRTCYear((uniUSBRecvFrame.ucSingleByte[4] << 8) + uniUSBRecvFrame.ucSingleByte[5]);
75  HAL_SetRTCMon(uniUSBRecvFrame.ucSingleByte[6]);
76  HAL_SetRTCDay(uniUSBRecvFrame.ucSingleByte[7]);
77  HAL_SetRTCHour(uniUSBRecvFrame.ucSingleByte[8]);
78  HAL_SetRTCMin(uniUSBRecvFrame.ucSingleByte[9]);
79  HAL_SetRTCSec(uniUSBRecvFrame.ucSingleByte[10]);
80  break;
81 
83  case USB_FRAME_COMMAND_UPDATE_TIME_TICK:
84  // Transmit ACK
85  SYS_USB_SendACK(uniUSBRecvFrame.stUSBFrame.ucCommand);
86  uniSecondTimeTick.ucSingleByte[7] = uniUSBRecvFrame.ucSingleByte[11];
87  uniSecondTimeTick.ucSingleByte[6] = uniUSBRecvFrame.ucSingleByte[10];
88  uniSecondTimeTick.ucSingleByte[5] = uniUSBRecvFrame.ucSingleByte[9];
89  uniSecondTimeTick.ucSingleByte[4] = uniUSBRecvFrame.ucSingleByte[8];
90  uniSecondTimeTick.ucSingleByte[3] = uniUSBRecvFrame.ucSingleByte[7];
91  uniSecondTimeTick.ucSingleByte[2] = uniUSBRecvFrame.ucSingleByte[6];
92  uniSecondTimeTick.ucSingleByte[1] = uniUSBRecvFrame.ucSingleByte[5];
93  uniSecondTimeTick.ucSingleByte[0] = uniUSBRecvFrame.ucSingleByte[4];
94 
95  // Wait until millisecond part becomes zero
96  while(uniMillisecondTimeTick.ullMillisecondTimeTick != 0);
97  // Read RTC time and save it to 'uniRTCTime'
98  HAL_RTC_ReadRTCTime();
99  // Store 'uniRTCTime (8 bytes)' to the first entry of internal FLASH bank 3 (0x038000)
100  // This information will later be used to restore system time
101  HAL_FLASH_Write(sizeof(uniRTCTime), (unsigned char *)&uniRTCTime, (unsigned char *)MSP430_INTERNAL_FLASH_BANK3_ADDRESS);
102  // Store 'uniSecondTimeTick (8bytes)' next to 'uniRTCTime' stored to internal FLASH bank 3 (0x038008)
103  // This information will later be used to restore system time
104  HAL_FLASH_Write(sizeof(uniSecondTimeTick), (unsigned char *)&uniSecondTimeTick, (unsigned char *)(MSP430_INTERNAL_FLASH_BANK3_ADDRESS + sizeof(uniRTCTime)));
105 
106  if(SYS_MMC_IsMicroSDInserted() == _TRUE_){
107  if(ulNumberOfCLEONSamplesInAFileCount == 0){
108  if(ulSampleCount == 1){
109  // Initailize filename
110  memset(sFilename, 0, sizeof(sFilename));
111  // File name will start with CLEON's current system time
112 #if (APP_LOG_TEMP_AND_HUM_SENSORS == _ENABLE_) || (APP_LOG_LIGHT_SENSORS == _ENABLE_)
113  sprintf(sFilename, "%lld_s16368_if4092000_m2_i2_s8.bin", uniSecondTimeTick.ullSecondTimeTick + uniMillisecondTimeTick.ullMillisecondTimeTick);
114 #else
115  sprintf(sFilename, "%lld_s16368_if4092000_m2_i2_s0.bin", uniSecondTimeTick.ullSecondTimeTick + uniMillisecondTimeTick.ullMillisecondTimeTick);
116 #endif
117  // The created file will remain openned until the number of samples defined in 'APP_LOG_SAMPLES_IN_A_FILE' are captured
118  FS_Open(&fileObject, sFilename, FA_WRITE | FA_CREATE_ALWAYS);
119  }
120  }
121  }
122 
123  // Now that time is synchronized, set flag
124  bFLAG_IsTimeSynced = _SET_;
125 
126  // Turn LED3 off
127  TIME_SYNC_ERROR_LED_OFF();
128  break;
129 
131  case USB_FRAME_COMMAND_UPDATE_SAMPLE_COUNT:
132  // Transmit ACK
133  SYS_USB_SendACK(uniUSBRecvFrame.stUSBFrame.ucCommand);
134  ulSampleCount = ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[3] << 24)
135  + ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[2] << 16)
136  + ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[1] << 8)
137  + ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[0]);
138  break;
139 
141  case USB_FRAME_COMMAND_UPDATE_SAMPLE_GAP:
142  // Transmit ACK
143  SYS_USB_SendACK(uniUSBRecvFrame.stUSBFrame.ucCommand);
144  ulSampleGap = ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[3] << 24)
145  + ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[2] << 16)
146  + ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[1] << 8)
147  + ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[0]);
148  break;
149 
151  case USB_FRAME_COMMAND_UPDATE_CHUNK_COUNT:
152  // Transmit ACK
153  SYS_USB_SendACK(uniUSBRecvFrame.stUSBFrame.ucCommand);
154  ulChunkCount = ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[3] << 24)
155  + ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[2] << 16)
156  + ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[1] << 8)
157  + ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[0]);
158  break;
159 
161  case USB_FRAME_COMMAND_UPDATE_CHUNK_GAP:
162  // Transmit ACK
163  SYS_USB_SendACK(uniUSBRecvFrame.stUSBFrame.ucCommand);
164  ulChunkGap = ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[3] << 24)
165  + ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[2] << 16)
166  + ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[1] << 8)
167  + ((unsigned long)uniUSBRecvFrame.stUSBFrame.ucData[0]);
168  break;
169 
171  default: break;
172  }
173  }
174 }
175 
176 
177 
178 
179 
180 
181 
182 
183 
184