Diff: BLE/src/ble_main.cpp

Revision:

258:150f5a76162d

Child:

259:341f04be325e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BLE/src/ble_main.cpp	Mon Oct 24 21:06:45 2016 +0000
@@ -0,0 +1,175 @@
+/**
+  ******************************************************************************
+  * @file    ble_uart.cpp
+  * @author  Happiesstminds Firmware Team
+  * @version v1.0
+  * @date    4-Oct-2016
+  * @brief   
+  *
+  ******************************************************************************
+  * @attention
+  *  
+  *
+  ******************************************************************************
+  */
+
+/******************************************************************************/
+/* Include Files*/
+/******************************************************************************/
+#include "mbed.h"
+#include "ble_main.h" 
+#include "ble_spi.h"
+#include "ble_msg_handler.h"
+#include "ble_init.h"
+
+#define BLE_DEVICE_NAME "Ecolab"
+ 
+/******************************************************************************/
+/* Global Functions                                                           */
+/******************************************************************************/
+BLE_INIT BLE_INIT;
+extern volatile bool isDeviceConnected;
+
+/*******************************************************************************
+ * Function:            ConfigureBLEDevice()
+ * Description:         Initialise and configure BLE
+ *
+ * @param               none
+ * @return              none
+ ******************************************************************************/
+ 
+uint8_t BLE_FILE :: ConfigureBLEDevice(void)
+{
+       
+    uint8_t status = SUCCESS;
+    BLE_INIT.InitBLEModule();            //initialising BLE SPI GPIO etc. 
+    BLE_INIT.SetDeviceName();            //setting device name
+    BLE_INIT.SetAdvertisingData();       //setting advdata
+    BLE_INIT.SendInitBleCommand((const uint8_t *) BLE_DEVICE_NAME);       //initializing BLE
+//    StartAdvertisingData();   //starting adv data
+    return status;
+}
+
+/*****************************************************************************
+ * Function:            GetBleConnectionState()
+ * Description:         check whether device is connected or not
+ *
+ * @param               none
+ * @return              uint8_t status(connected or disconnected)
+ *****************************************************************************/
+
+bool BLE_FILE :: GetBleConnectionState(void)
+{
+    return isDeviceConnected;
+} 
+
+/*****************************************************************************
+ * Function:            SendSOF()
+ * Description:         This function send Start of File transfer frame
+ *
+ * @param               tx_buf
+* @param                data length
+ * @return              none
+ *****************************************************************************/
+static uint8_t SendSOF(uint8_t *tx_buf, uint8_t len)
+{
+
+    uint8_t packet[100];
+    uint8_t status = SUCCESS;        
+    uint8_t packetlength;
+ //   uint8_t array_length[10];        
+    packetlength = len + 4; 
+    
+    packet[0]= BLE_SOF_CMD;
+    packet[1]= BLE_START_OF_FILE;
+    packet[2]= len;
+
+    memcpy(&packet[3], tx_buf, len);
+    packet[len + 3]= BLE_EOT_CMD;     
+   
+    WriteSpiData(packet, packetlength);
+    return status;
+}
+/*****************************************************************************
+ * Function:            SendEOF()
+ * Description:         This function send End of File transfer frame
+ *
+ * @param               none
+ * @return              none
+ *****************************************************************************/
+static void SendEOF(void)
+{
+    uint8_t packet[24];
+  
+    packet[0] =BLE_SOF_CMD;
+    packet[1] =BLE_END_OF_FILE;
+    packet[2] =20;
+    packet[3] =0x45;
+    packet[4] =0x4f;
+    packet[5] =0x46;    
+    memset(&packet[6], 0x45, 17);
+    packet[23]=BLE_EOT_CMD;               
+    WriteSpiData(packet,24);
+}
+/*****************************************************************************
+ * Function:            GetFileName()
+ * Description:         This function extract File name
+ *
+ * @param               json file data
+ * @return              none
+ *****************************************************************************/
+void GetFileName(uint8_t json_file)
+{
+    //TODO
+}
+
+/*****************************************************************************
+ * Function:            SendFile()
+ * Description:         This function receive the json file data and transmit 
+                        data over BLE 
+ *
+ * @param               json file data
+ * @param               data length
+ * @return              none
+ *****************************************************************************/
+void BLE_FILE :: SendFile(uint8_t* json_file,uint8_t len)
+{
+    uint8_t num_writes,rem_bytes,start_index =0;   
+    //  GetFileName();  //TODO
+    /*added for testing purpose.Need to be removed*/
+    uint8_t file_name[20];
+    file_name[0] =0x53;
+    file_name[1] =0x4f;
+    file_name[2] =0x46;
+    memset(&file_name[3],0x5a,17);
+    
+    /*TODO
+    SOF consist of information about packets.Now sending a string for testing 
+    with mobile app
+    */ 
+    SendSOF(file_name,16);        
+                         
+    num_writes = ((len)/MAX_PAYLOAD_BYTES);
+    rem_bytes =((len)%MAX_PAYLOAD_BYTES);
+
+    for(int i=0;i<(num_writes);i++)
+    {
+        BLE_INIT.SendBleData(&json_file[start_index], MAX_PAYLOAD_BYTES);
+        start_index= start_index+MAX_PAYLOAD_BYTES;
+    }
+    if(rem_bytes)
+    {
+        BLE_INIT.SendBleData(&json_file[start_index], rem_bytes);       
+    }
+    
+    /*TODO
+    EOF indication that packets transfer compleated.
+    This information can be passed in SOF.    */        
+ //   SendEOF();    
+
+}
+
+
+/******************************************************************************/
+/* END OF FILE                                                                */
+/******************************************************************************/
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