Diff: BLE/src/ble_init.cpp

Revision:

249:68ed571e0002

Child:

259:341f04be325e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BLE/src/ble_init.cpp	Fri Oct 21 13:48:57 2016 +0000
@@ -0,0 +1,193 @@
+/**
+  ******************************************************************************
+  * @file    ble_init.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"  
+/******************************************************************************/
+/* Local Defines                                                              */
+/******************************************************************************/
+
+/******************************************************************************/
+/* Global Functions                                                           */
+/******************************************************************************/
+
+/*****************************************************************************
+ * Function:            InitBLEModule()
+ * Description:         initialise GPIo and SPI
+ *
+ * @param               BLE SPI Command
+ * @return              status
+ *****************************************************************************/
+uint8_t BLE_INIT :: InitBLEModule(void)
+{
+    uint8_t status = SUCCESS;
+   
+   /*TODO
+        wait(3) second delay need to be removed. This is added to make sure that 
+        Nano BLE initialised first after a power on reset.
+        Within 3 seconds, expecting Nano BLE init is succesfull and waiting 
+        for the commands from mDOt.Need to check this delay on final hardware
+    */
+  
+    wait(3);         
+    status = InitSpiMaster();    
+    printf("Initializing BLE..\n\r");
+    return status;
+}
+
+
+
+/*****************************************************************************
+ * Function:            SendCommand()
+ * Description:         Send command to BLE
+ *
+ * @param               BLE SPI Command
+ * @return              none
+ *****************************************************************************/
+
+void SendCommand(uint8_t command)           //@SAGAR: If this function not called from other files, make it as static fn
+{
+    uint8_t packet[4];
+              
+    packet[0]= BLE_SOF_CMD;
+    packet[1]= command;
+    packet[2]= DATA_LENGTH;             //@SAGAR: DATA_LENGTH is always 0?
+    packet[3]= BLE_EOT_CMD;         
+    WriteSpiData(packet,COMMAND_LENGTH);//@SAGAR: COMMAND_LENGTH is always 4?
+}
+
+
+/*****************************************************************************
+ * Function:            send BLE init command()
+ * Description:         Send command to BLE
+ *
+ * @param               none
+ * @return              uint8_t status
+ *****************************************************************************/
+uint8_t BLE_INIT :: SendInitBleCommand(const uint8_t *device_name)
+{   
+    //TODO need to add device name in frame.
+    uint8_t status;
+    SendCommand(BLE_INIT_CMD);
+    /*TODO
+        The below two lines added for testing with custom board.This need to be
+        changed.After sending the init command, mDot should read the response
+        from slave.Poll the response and send init command till nano BLE returns
+        success
+    */ 
+    SendCommand(BLE_INIT_CMD);
+    SendCommand(BLE_INIT_CMD);
+    
+    return status;      //@SAGAR: Initialize status before returning
+}
+
+
+/*****************************************************************************
+ * Function:            SetDeviceName()
+ * Description:         Set BLE device name
+ *
+ * @param               none
+ * @return              uint8_t status
+ *****************************************************************************/
+uint8_t BLE_INIT :: SetDeviceName(void)
+{
+    uint8_t status;     //@SAGAR: Add comments <<TODO>> & what we are dogin in future
+    return status;
+}
+
+
+/*****************************************************************************
+ * Function:            CheckConnectionStatus()
+ * Description:         check whether device is connected or not
+ *
+ * @param               none
+ * @return              uint8_t status(connected or disconnected)
+ *****************************************************************************/
+uint8_t CheckConnectionStatus(void)
+{
+   //TODO not implemented
+   uint8_t status =SUCCESS;
+
+   return status;
+}
+/*****************************************************************************
+ * Function:            SetAdvertisingData()
+ * Description:         set advertising data
+ *
+ * @param               none
+ * @return              uint8_t status
+ *****************************************************************************/
+uint8_t BLE_INIT :: SetAdvertisingData(void)
+{
+   //TODO not implemented
+   uint8_t status =SUCCESS;
+
+   return status;
+}
+
+/*****************************************************************************
+ * Function:            StartAdvertisingData()
+ * Description:         Send startAdvertisingData Command 
+ *
+ * @param               none
+ * @return              uint8_t status
+ *****************************************************************************/
+uint8_t StartAdvertisingData(void)
+{
+   uint8_t status =SUCCESS;
+   SendCommand(BLE_START_ADV_CMD);
+   return status;
+}
+
+/*****************************************************************************
+ * Function:            SendBleData()
+ * Description:         Send data over BLE (Max 20 bytes)
+ *
+ * @param               txBuf
+  * @param              data length
+ * @return              uint8_t status
+ *****************************************************************************/
+uint8_t BLE_INIT :: SendBleData(uint8_t *tx_buf, uint8_t len)
+{
+    uint8_t packet[20];
+    uint8_t status = SUCCESS;        
+    uint8_t packetlength;      
+    packetlength = len + 4; 
+    
+    if(len<=MAX_PAYLOAD_BYTES)
+    {
+        packet[0]= BLE_SOF_CMD;
+        packet[1]= BLE_SEND_DATA_CMD;
+        packet[2]= len;
+
+        memcpy(&packet[3], tx_buf, len);
+        packet[len + 3]= BLE_EOT_CMD;         
+        WriteSpiData(packet, packetlength);
+    }
+    else
+    {
+        status = FAILURE;
+    }
+    return status;
+}
+/******************************************************************************/
+/* END OF FILE                                                                */
+/******************************************************************************/
\ No newline at end of file