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Bluetooth Low Energy based Firmware Over The Air with Mbed. Mbed part is a external processor of the IoT devices and communicate with a Bluetooth module. The Bluetooth module have to support BLE and implement BLE FOTA profile designed by ours. BLE FOTA profile specification is available from our GIT hub wiki(https://github.com/sevencore/BLEFOTA).

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Fork of mbed_fota by KIM HyoengJun

Bluetooth Low Energy based Firmware Over The Air with Mbed. Mbed part is a external processor of the IoT devices and communicate with a Bluetooth module. The Bluetooth module have to support BLE and implement BLE FOTA profile designed by ours. BLE FOTA profile specification is available from our GIT hub wiki.

ext_fota/SerialManager.cpp@11:1ed93accb3fb, 2015-08-24 (annotated)

Committer:
dudnwjs
Date:
Mon Aug 24 03:24:19 2015 +0000
Revision:
11:1ed93accb3fb
Parent:
9:fcf91f563147 
Modify app_task.cpp comment

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dudnwjs 9:fcf91f563147 1 /**
dudnwjs 9:fcf91f563147 2 * @file SerialManager.cpp
dudnwjs 9:fcf91f563147 3 * @brief Serial Communication Management
dudnwjs 9:fcf91f563147 4 * Copyright 2015 SEVENCORE Co., Ltd.
dudnwjs 9:fcf91f563147 5 *
dudnwjs 9:fcf91f563147 6 * @author HyeongJun Kim
dudnwjs 9:fcf91f563147 7 * @version 1.0.0
dudnwjs 9:fcf91f563147 8 * @date 2015-08-19
dudnwjs 9:fcf91f563147 9 */
dudnwjs 2:dba344c91bce 10 #include "SerialManager.h"
dudnwjs 9:fcf91f563147 11 /**
dudnwjs 9:fcf91f563147 12 ****************************************************************************************
dudnwjs 9:fcf91f563147 13 * @addtogroup ext_fota module
dudnwjs 9:fcf91f563147 14 * @brief Serial Manager Class Method Definition.
dudnwjs 9:fcf91f563147 15 *
dudnwjs 9:fcf91f563147 16 * @{
dudnwjs 9:fcf91f563147 17 ****************************************************************************************
dudnwjs 9:fcf91f563147 18 */
dudnwjs 2:dba344c91bce 19 namespace sevencore_fota{
dudnwjs 2:dba344c91bce 20
dudnwjs 9:fcf91f563147 21 /**
dudnwjs 9:fcf91f563147 22 ****************************************************************************************
dudnwjs 9:fcf91f563147 23 * @brief Serial Manager constructor only connected Device.
dudnwjs 9:fcf91f563147 24 * @param[in] mbed serial class reference to device.
dudnwjs 9:fcf91f563147 25 ****************************************************************************************
dudnwjs 9:fcf91f563147 26 */
dudnwjs 2:dba344c91bce 27 SerialManager::SerialManager(Serial *_device)
dudnwjs 2:dba344c91bce 28 {
dudnwjs 2:dba344c91bce 29 print_flag = 0;
dudnwjs 2:dba344c91bce 30 device = _device;
dudnwjs 2:dba344c91bce 31 FE_MSG_PACKET_TYPE = 0x05;
dudnwjs 2:dba344c91bce 32 MAX_PACKET_LENGTH = 350;
dudnwjs 2:dba344c91bce 33 bReceiveState = 0;
dudnwjs 2:dba344c91bce 34 wDataLength = 0;
dudnwjs 2:dba344c91bce 35 wReceivePos = 0;
dudnwjs 2:dba344c91bce 36 bHdrBytesRead = 0;
dudnwjs 2:dba344c91bce 37 memset(bReceiveElementArr,0,512);
dudnwjs 2:dba344c91bce 38 }
dudnwjs 9:fcf91f563147 39 /**
dudnwjs 9:fcf91f563147 40 ****************************************************************************************
dudnwjs 9:fcf91f563147 41 * @brief Serial Manager constructor with connected Device & HostPC.
dudnwjs 9:fcf91f563147 42 * @param[in] mbed serial class reference to device.
dudnwjs 9:fcf91f563147 43 * @param[in] mbed serial class reference to hostpc.
dudnwjs 9:fcf91f563147 44 ****************************************************************************************
dudnwjs 9:fcf91f563147 45 */
dudnwjs 2:dba344c91bce 46 SerialManager::SerialManager(Serial *_device, Serial *_hostpc)
dudnwjs 2:dba344c91bce 47 {
dudnwjs 2:dba344c91bce 48 print_flag = 1;
dudnwjs 2:dba344c91bce 49 device = _device;
dudnwjs 2:dba344c91bce 50 hostpc = _hostpc;
dudnwjs 2:dba344c91bce 51 FE_MSG_PACKET_TYPE = 0x05;
dudnwjs 2:dba344c91bce 52 MAX_PACKET_LENGTH = 350;
dudnwjs 2:dba344c91bce 53 bReceiveState = 0;
dudnwjs 2:dba344c91bce 54 wDataLength = 0;
dudnwjs 2:dba344c91bce 55 wReceivePos = 0;
dudnwjs 2:dba344c91bce 56 bHdrBytesRead = 0;
dudnwjs 2:dba344c91bce 57 memset(bReceiveElementArr,0,512);
dudnwjs 2:dba344c91bce 58 PrintSerialManager();
dudnwjs 2:dba344c91bce 59 }
dudnwjs 9:fcf91f563147 60 /**
dudnwjs 9:fcf91f563147 61 ****************************************************************************************
dudnwjs 9:fcf91f563147 62 * @brief Serial Manager destructor.
dudnwjs 9:fcf91f563147 63 ****************************************************************************************
dudnwjs 9:fcf91f563147 64 */
dudnwjs 2:dba344c91bce 65 SerialManager::~SerialManager(void)
dudnwjs 2:dba344c91bce 66 {
dudnwjs 2:dba344c91bce 67 }
dudnwjs 9:fcf91f563147 68 /**
dudnwjs 9:fcf91f563147 69 ****************************************************************************************
dudnwjs 9:fcf91f563147 70 * @brief Serial Manager Start title print function.
dudnwjs 9:fcf91f563147 71 ****************************************************************************************
dudnwjs 9:fcf91f563147 72 */
dudnwjs 2:dba344c91bce 73 void SerialManager::PrintSerialManager(void)
dudnwjs 2:dba344c91bce 74 {
dudnwjs 2:dba344c91bce 75 if(print_flag == 1)
dudnwjs 5:e11b23f9aacc 76 hostpc->printf("\nSerialManager Start!!\n");
dudnwjs 2:dba344c91bce 77 }
dudnwjs 9:fcf91f563147 78 /**
dudnwjs 9:fcf91f563147 79 ****************************************************************************************
dudnwjs 9:fcf91f563147 80 * @brief Send ble message to serial port.
dudnwjs 9:fcf91f563147 81 * @param[in] Sending data pointer.
dudnwjs 9:fcf91f563147 82 * @param[in] Sending data size.
dudnwjs 9:fcf91f563147 83 ****************************************************************************************
dudnwjs 9:fcf91f563147 84 */
dudnwjs 2:dba344c91bce 85 int SerialManager::SendToSerial(uint8_t *data,unsigned short size)
dudnwjs 2:dba344c91bce 86 {
dudnwjs 2:dba344c91bce 87 int cnt = 0;
dudnwjs 2:dba344c91bce 88 if(print_flag == 1)
dudnwjs 5:e11b23f9aacc 89 hostpc->printf("\n>>> send size = %hu\n",size);
dudnwjs 2:dba344c91bce 90
dudnwjs 2:dba344c91bce 91 for(int i=0; i < size; i++)
dudnwjs 2:dba344c91bce 92 {
dudnwjs 2:dba344c91bce 93 if( device->writeable())
dudnwjs 2:dba344c91bce 94 {
dudnwjs 2:dba344c91bce 95 if(print_flag == 1)
dudnwjs 2:dba344c91bce 96 hostpc->printf("%02X ", data[i]);
dudnwjs 2:dba344c91bce 97 device->putc(data[i]);
dudnwjs 2:dba344c91bce 98 cnt++;
dudnwjs 2:dba344c91bce 99 }
dudnwjs 2:dba344c91bce 100 }
dudnwjs 2:dba344c91bce 101 return cnt;
dudnwjs 2:dba344c91bce 102 }
dudnwjs 9:fcf91f563147 103 /**
dudnwjs 9:fcf91f563147 104 ****************************************************************************************
dudnwjs 9:fcf91f563147 105 * @brief Receive ble message from serial port.
dudnwjs 9:fcf91f563147 106 * @param[in] Storing data pointer.
dudnwjs 9:fcf91f563147 107 * @return Boolean - msg_size (receive complete) or -1 (receive not complete)
dudnwjs 9:fcf91f563147 108 ****************************************************************************************
dudnwjs 9:fcf91f563147 109 */
dudnwjs 2:dba344c91bce 110 int SerialManager::ReceiveToSerial(unsigned char *receive_msg)
dudnwjs 2:dba344c91bce 111 {
dudnwjs 2:dba344c91bce 112 int ret = -1;
dudnwjs 2:dba344c91bce 113 unsigned char tmp;
dudnwjs 2:dba344c91bce 114 if(device->readable())
dudnwjs 2:dba344c91bce 115 {
dudnwjs 2:dba344c91bce 116 tmp = device->getc();
dudnwjs 2:dba344c91bce 117 switch(bReceiveState)
dudnwjs 2:dba344c91bce 118 {
dudnwjs 2:dba344c91bce 119 case 0:
dudnwjs 2:dba344c91bce 120 if( tmp == FE_MSG_PACKET_TYPE )
dudnwjs 2:dba344c91bce 121 {
dudnwjs 2:dba344c91bce 122 bReceiveState = 1;
dudnwjs 2:dba344c91bce 123 wDataLength = 0;
dudnwjs 2:dba344c91bce 124 wReceivePos = 0;
dudnwjs 2:dba344c91bce 125 bHdrBytesRead = 0;
dudnwjs 5:e11b23f9aacc 126 memset(bReceiveElementArr,0,512);
dudnwjs 2:dba344c91bce 127
dudnwjs 2:dba344c91bce 128 bReceiveElementArr[wReceivePos] = tmp;
dudnwjs 2:dba344c91bce 129 wReceivePos++;
dudnwjs 2:dba344c91bce 130 if(print_flag == 1)
dudnwjs 2:dba344c91bce 131 hostpc->printf("\n[Receiver] Packet Type |: %02X \n", tmp);
dudnwjs 2:dba344c91bce 132 }else
dudnwjs 2:dba344c91bce 133 {
dudnwjs 2:dba344c91bce 134 if(print_flag == 1)
dudnwjs 2:dba344c91bce 135 hostpc->printf("\n[Receiver] Packet Type Error |: %02X \n", tmp);
dudnwjs 2:dba344c91bce 136 }
dudnwjs 2:dba344c91bce 137 break;
dudnwjs 2:dba344c91bce 138 case 1:
dudnwjs 2:dba344c91bce 139 if(print_flag == 1)
dudnwjs 2:dba344c91bce 140 hostpc->printf("R-%02X ",tmp);
dudnwjs 2:dba344c91bce 141 bHdrBytesRead++;
dudnwjs 2:dba344c91bce 142 bReceiveElementArr[wReceivePos] = tmp;
dudnwjs 2:dba344c91bce 143 wReceivePos++;
dudnwjs 2:dba344c91bce 144 if( bHdrBytesRead == 6 )
dudnwjs 2:dba344c91bce 145 bReceiveState = 2;
dudnwjs 2:dba344c91bce 146 break;
dudnwjs 2:dba344c91bce 147 case 2:
dudnwjs 2:dba344c91bce 148 if(print_flag == 1)
dudnwjs 3:1e70387e1337 149 hostpc->printf("R+%02X ",tmp);
dudnwjs 2:dba344c91bce 150 wDataLength += tmp;
dudnwjs 2:dba344c91bce 151 if( wDataLength > MAX_PACKET_LENGTH )
dudnwjs 2:dba344c91bce 152 bReceiveState = 0;
dudnwjs 2:dba344c91bce 153 else
dudnwjs 2:dba344c91bce 154 {
dudnwjs 2:dba344c91bce 155 bReceiveElementArr[wReceivePos] = tmp;
dudnwjs 2:dba344c91bce 156 wReceivePos++;
dudnwjs 2:dba344c91bce 157 bReceiveState = 3;
dudnwjs 2:dba344c91bce 158 }
dudnwjs 2:dba344c91bce 159 break;
dudnwjs 2:dba344c91bce 160 case 3:
dudnwjs 2:dba344c91bce 161 if( print_flag == 1 )
dudnwjs 3:1e70387e1337 162 hostpc->printf("R=%02X ",tmp);
dudnwjs 2:dba344c91bce 163 wDataLength += (unsigned short) (tmp*256);
dudnwjs 2:dba344c91bce 164 if( wDataLength > MAX_PACKET_LENGTH )
dudnwjs 2:dba344c91bce 165 {
dudnwjs 2:dba344c91bce 166 if( print_flag == 1 )
dudnwjs 3:1e70387e1337 167 hostpc->printf("\n[Receiver] Over SIZE: %d \n", wDataLength);
dudnwjs 2:dba344c91bce 168 bReceiveState = 0;
dudnwjs 2:dba344c91bce 169 }else if (wDataLength == 0)
dudnwjs 2:dba344c91bce 170 {
dudnwjs 2:dba344c91bce 171 if( print_flag == 1 )
dudnwjs 3:1e70387e1337 172 hostpc->printf("\n[Receiver] Zero SIZE: %d \n", wDataLength);
dudnwjs 2:dba344c91bce 173 memcpy(receive_msg,bReceiveElementArr,wReceivePos);
dudnwjs 2:dba344c91bce 174 ret = wReceivePos;
dudnwjs 2:dba344c91bce 175 bReceiveState = 0;
dudnwjs 2:dba344c91bce 176 }else
dudnwjs 2:dba344c91bce 177 {
dudnwjs 2:dba344c91bce 178 bReceiveElementArr[wReceivePos] = tmp;
dudnwjs 2:dba344c91bce 179 wReceivePos++;
dudnwjs 2:dba344c91bce 180 bReceiveState = 4;
dudnwjs 2:dba344c91bce 181 }
dudnwjs 2:dba344c91bce 182 break;
dudnwjs 2:dba344c91bce 183 case 4:
dudnwjs 2:dba344c91bce 184 if( print_flag == 1 )
dudnwjs 3:1e70387e1337 185 hostpc->printf("R~%02X ",tmp);
dudnwjs 2:dba344c91bce 186 bReceiveElementArr[wReceivePos] = tmp;
dudnwjs 2:dba344c91bce 187 wReceivePos++;
dudnwjs 2:dba344c91bce 188 // 9 = 1(first byte = FE_MSG_PACKET_TYPE) + 2(type) +2(dstid) +2(srcid) +2(length size)
dudnwjs 2:dba344c91bce 189 if(wReceivePos == wDataLength + 9)
dudnwjs 2:dba344c91bce 190 {
dudnwjs 2:dba344c91bce 191 memcpy(receive_msg,bReceiveElementArr,wReceivePos);
dudnwjs 2:dba344c91bce 192 ret = wReceivePos;
dudnwjs 2:dba344c91bce 193 bReceiveState = 0;
dudnwjs 2:dba344c91bce 194 if( print_flag == 1 )
dudnwjs 3:1e70387e1337 195 hostpc->printf("\n[Receiver] Rcv Data SIZE: %d \n", wDataLength);
dudnwjs 2:dba344c91bce 196 }
dudnwjs 2:dba344c91bce 197 break;
dudnwjs 2:dba344c91bce 198 default:
dudnwjs 2:dba344c91bce 199 if(print_flag == 1)
dudnwjs 5:e11b23f9aacc 200 hostpc->printf("\nERROR STRAGE STATE R+%02X \n",tmp);
dudnwjs 2:dba344c91bce 201 break;
dudnwjs 2:dba344c91bce 202 }
dudnwjs 2:dba344c91bce 203 }
dudnwjs 2:dba344c91bce 204
dudnwjs 2:dba344c91bce 205 return ret;
dudnwjs 2:dba344c91bce 206 }
dudnwjs 9:fcf91f563147 207 /**
dudnwjs 9:fcf91f563147 208 ****************************************************************************************
dudnwjs 9:fcf91f563147 209 * @brief Receive data for size.
dudnwjs 9:fcf91f563147 210 * @param[in] Storing data pointer.
dudnwjs 9:fcf91f563147 211 * @param[in] transmision data size.
dudnwjs 9:fcf91f563147 212 ****************************************************************************************
dudnwjs 9:fcf91f563147 213 */
dudnwjs 6:8dd20294b2aa 214 void SerialManager::DataReceive(uint8_t *databuf, unsigned short size)
dudnwjs 6:8dd20294b2aa 215 {
dudnwjs 6:8dd20294b2aa 216 int i;
dudnwjs 6:8dd20294b2aa 217
dudnwjs 6:8dd20294b2aa 218 for(i=0;i<size;i++)
dudnwjs 6:8dd20294b2aa 219 {
dudnwjs 6:8dd20294b2aa 220 databuf[i] = (uint8_t)device->getc();
dudnwjs 6:8dd20294b2aa 221 }
dudnwjs 6:8dd20294b2aa 222 }
dudnwjs 9:fcf91f563147 223 /**
dudnwjs 9:fcf91f563147 224 ****************************************************************************************
dudnwjs 9:fcf91f563147 225 * @brief Receive data test function.
dudnwjs 9:fcf91f563147 226 ****************************************************************************************
dudnwjs 9:fcf91f563147 227 */
dudnwjs 5:e11b23f9aacc 228 void SerialManager::ReceiveToSerialTest(void)
dudnwjs 5:e11b23f9aacc 229 {
dudnwjs 5:e11b23f9aacc 230 unsigned char tmp;
dudnwjs 5:e11b23f9aacc 231 int pos = 0;
dudnwjs 6:8dd20294b2aa 232 char buff[1024];
dudnwjs 6:8dd20294b2aa 233 memset(buff,'K',1023);
dudnwjs 6:8dd20294b2aa 234 buff[1023] = '\0';
dudnwjs 5:e11b23f9aacc 235 hostpc->printf("\n pos = %d FIRST <%s> \n",pos,buff);
dudnwjs 5:e11b23f9aacc 236 tmp = device->getc();
dudnwjs 6:8dd20294b2aa 237 if( tmp == 0x80 ){
dudnwjs 6:8dd20294b2aa 238 tmp = device->getc();
dudnwjs 6:8dd20294b2aa 239 if( tmp == 0x46 )
dudnwjs 6:8dd20294b2aa 240 {
dudnwjs 6:8dd20294b2aa 241 hostpc->printf("\n FIRMWARE DATA CONFIRM!! \n");
dudnwjs 6:8dd20294b2aa 242 }
dudnwjs 6:8dd20294b2aa 243 }
dudnwjs 6:8dd20294b2aa 244 tmp = device->getc();//reserved value
dudnwjs 6:8dd20294b2aa 245 tmp = device->getc();//reserved value
dudnwjs 6:8dd20294b2aa 246 tmp = device->getc();//reserved value
dudnwjs 5:e11b23f9aacc 247 while(1)
dudnwjs 5:e11b23f9aacc 248 {
dudnwjs 5:e11b23f9aacc 249 if(device->readable())
dudnwjs 5:e11b23f9aacc 250 {
dudnwjs 5:e11b23f9aacc 251 tmp = device->getc();
dudnwjs 6:8dd20294b2aa 252 //hostpc->printf("%d ==> 0x%X\n",pos,tmp);
dudnwjs 5:e11b23f9aacc 253 buff[pos] = tmp;
dudnwjs 6:8dd20294b2aa 254 pos++;
dudnwjs 6:8dd20294b2aa 255 if( pos%512 == 0 ){
dudnwjs 6:8dd20294b2aa 256 buff[1023] = '\0';
dudnwjs 6:8dd20294b2aa 257 hostpc->printf("\n pos = %d CHECK <%s> \n",pos,buff);
dudnwjs 5:e11b23f9aacc 258 }
dudnwjs 6:8dd20294b2aa 259 if( pos == 1024 ){
dudnwjs 6:8dd20294b2aa 260 pos = 0;
dudnwjs 6:8dd20294b2aa 261 memset(buff,'Z',1023);
dudnwjs 6:8dd20294b2aa 262 buff[1023] = '\0';
dudnwjs 5:e11b23f9aacc 263 }
dudnwjs 5:e11b23f9aacc 264 }
dudnwjs 5:e11b23f9aacc 265
dudnwjs 5:e11b23f9aacc 266 }
dudnwjs 6:8dd20294b2aa 267
dudnwjs 6:8dd20294b2aa 268
dudnwjs 5:e11b23f9aacc 269 }
dudnwjs 5:e11b23f9aacc 270
dudnwjs 2:dba344c91bce 271 }//namespace
dudnwjs 9:fcf91f563147 272 /// @} ext_fota module