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/**
******************************************************************************
* @file dt_server_app.c
* @author MCD Application Team
* @brief data throughput server Application
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2019 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "app_common.h"
#include "dbg_trace.h"
#include "ble.h"
#include "app_ble.h"
#include "dt_server_app.h"
#include "dt_client_app.h"
#include "dts.h"
#include "stm32_seq.h"
#include "stm32_lpm.h"
#include "ble_common.h"
typedef enum
{
DTS_APP_FLOW_OFF,
DTS_APP_FLOW_ON
} DTS_App_Flow_Status_t;
typedef enum
{
DTS_APP_TRANSFER_REQ_OFF,
DTS_APP_TRANSFER_REQ_ON
} DTS_App_Transfer_Req_Status_t;
typedef struct
{
DTS_STM_Payload_t TxData;
DTS_App_Transfer_Req_Status_t NotificationTransferReq;
DTS_App_Transfer_Req_Status_t ButtonTransferReq;
DTS_App_Flow_Status_t DtFlowStatus;
} DTS_App_Context_t;
/* Private defines -----------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
static DTS_App_Context_t DataTransferServerContext;
static uint8_t Notification_Data_Buffer[DATA_NOTIFICATION_MAX_PACKET_SIZE]; /* DATA_NOTIFICATION_MAX_PACKET_SIZE data + CRC */
/* Global variables ----------------------------------------------------------*/
/* Functions Definition ------------------------------------------------------*/
/* Private functions ----------------------------------------------------------*/
static void ButtonTriggerReceived(void);
static void SendData(void);
/*************************************************************
*
* PUBLIC FUNCTIONS
*
*************************************************************/
void DTS_App_Init(void)
{
uint8_t i;
UTIL_SEQ_RegTask( 1<<CFG_TASK_BUTTON_ID, UTIL_SEQ_RFU, ButtonTriggerReceived);
UTIL_SEQ_RegTask( 1<<CFG_TASK_DATA_TRANSFER_UPDATE_ID, UTIL_SEQ_RFU, SendData);
/**
* Initialize data buffer
*/
for (i=0 ; i<(DATA_NOTIFICATION_MAX_PACKET_SIZE-1) ; i++)
{
Notification_Data_Buffer[i] = i;
}
DataTransferServerContext.NotificationTransferReq = DTS_APP_TRANSFER_REQ_OFF;
DataTransferServerContext.ButtonTransferReq = DTS_APP_TRANSFER_REQ_OFF;
DataTransferServerContext.DtFlowStatus = DTS_APP_FLOW_ON;
}
void DTS_App_KeyButtonAction( void )
{
UTIL_SEQ_SetTask(1 << CFG_TASK_BUTTON_ID, CFG_SCH_PRIO_0);
}
void DTS_App_TxPoolAvailableNotification(void)
{
DataTransferServerContext.DtFlowStatus = DTS_APP_FLOW_ON;
UTIL_SEQ_SetTask(1 << CFG_TASK_DATA_TRANSFER_UPDATE_ID, CFG_SCH_PRIO_0);
return;
}
/*************************************************************
*
* CALLBACK FUNCTIONS
*
*************************************************************/
void DTS_Notification( DTS_STM_App_Notification_evt_t *pNotification )
{
switch (pNotification->Evt_Opcode)
{
case DTS_STM__NOTIFICATION_ENABLED:
DataTransferServerContext.NotificationTransferReq = DTS_APP_TRANSFER_REQ_ON;
UTIL_SEQ_SetTask(1 << CFG_TASK_DATA_TRANSFER_UPDATE_ID, CFG_SCH_PRIO_0);
break;
case DTS_STM_NOTIFICATION_DISABLED:
DataTransferServerContext.NotificationTransferReq = DTS_APP_TRANSFER_REQ_OFF;
break;
case DTS_STM_GATT_TX_POOL_AVAILABLE:
DataTransferServerContext.DtFlowStatus = DTS_APP_FLOW_ON;
UTIL_SEQ_SetTask(1 << CFG_TASK_DATA_TRANSFER_UPDATE_ID, CFG_SCH_PRIO_0);
break;
default:
break;
}
return;
}
/*************************************************************
*
* LOCAL FUNCTIONS
*
*************************************************************/
static void SendData( void )
{
tBleStatus status = BLE_STATUS_INVALID_PARAMS;
uint8_t crc_result;
if( (DataTransferServerContext.ButtonTransferReq != DTS_APP_TRANSFER_REQ_OFF)
&& (DataTransferServerContext.NotificationTransferReq != DTS_APP_TRANSFER_REQ_OFF)
&& (DataTransferServerContext.DtFlowStatus != DTS_APP_FLOW_OFF) )
{
/*Data Packet to send to remote*/
Notification_Data_Buffer[0] += 1;
/* compute CRC */
crc_result = APP_BLE_ComputeCRC8((uint8_t*) Notification_Data_Buffer, (DATA_NOTIFICATION_MAX_PACKET_SIZE - 1));
Notification_Data_Buffer[DATA_NOTIFICATION_MAX_PACKET_SIZE - 1] = crc_result;
DataTransferServerContext.TxData.pPayload = Notification_Data_Buffer;
DataTransferServerContext.TxData.Length = DATA_NOTIFICATION_MAX_PACKET_SIZE; /* DATA_NOTIFICATION_MAX_PACKET_SIZE */
status = DTS_STM_UpdateChar(DATA_TRANSFER_TX_CHAR_UUID, (uint8_t *) &DataTransferServerContext.TxData);
if (status == BLE_STATUS_INSUFFICIENT_RESOURCES)
{
DataTransferServerContext.DtFlowStatus = DTS_APP_FLOW_OFF;
(Notification_Data_Buffer[0])-=1;
}
else
{
UTIL_SEQ_SetTask(1 << CFG_TASK_DATA_TRANSFER_UPDATE_ID, CFG_SCH_PRIO_0);
}
}
return;
}
static void ButtonTriggerReceived( void )
{
if(DataTransferServerContext.ButtonTransferReq != DTS_APP_TRANSFER_REQ_OFF)
{
BSP_LED_Off(LED_BLUE);
DataTransferServerContext.ButtonTransferReq = DTS_APP_TRANSFER_REQ_OFF;
}
else
{
BSP_LED_On(LED_BLUE);
DataTransferServerContext.ButtonTransferReq = DTS_APP_TRANSFER_REQ_ON;
UTIL_SEQ_SetTask(1 << CFG_TASK_DATA_TRANSFER_UPDATE_ID, CFG_SCH_PRIO_0);
}
return;
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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