/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : App/p2p_client_app.c
* Description : P2P Client Application
******************************************************************************
* @attention
*
*
© Copyright (c) 2021 STMicroelectronics.
* All rights reserved.
*
* 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
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "app_common.h"
#include "dbg_trace.h"
#include "ble.h"
#include "p2p_client_app.h"
#include "stm32_seq.h"
#include "app_ble.h"
/* USER CODE BEGIN Includes */
#include "commands.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
typedef enum
{
P2P_START_TIMER_EVT,
P2P_STOP_TIMER_EVT,
P2P_NOTIFICATION_INFO_RECEIVED_EVT,
} P2P_Client_Opcode_Notification_evt_t;
typedef struct
{
uint8_t * pPayload;
uint8_t Length;
}P2P_Client_Data_t;
typedef struct
{
P2P_Client_Opcode_Notification_evt_t P2P_Client_Evt_Opcode;
P2P_Client_Data_t DataTransfered;
}P2P_Client_App_Notification_evt_t;
typedef struct
{
/**
* state of the P2P Client
* state machine
*/
APP_BLE_ConnStatus_t state;
/**
* connection handle
*/
uint16_t connHandle;
/**
* handle of the P2P service
*/
uint16_t P2PServiceHandle;
/**
* end handle of the P2P service
*/
uint16_t P2PServiceEndHandle;
/**
* handle of the Tx characteristic - Write To Server
*
*/
uint16_t P2PWriteToServerCharHdle;
/**
* handle of the client configuration
* descriptor of Tx characteristic
*/
uint16_t P2PWriteToServerDescHandle;
/**
* handle of the Rx characteristic - Notification From Server
*
*/
uint16_t P2PNotificationCharHdle;
/**
* handle of the client configuration
* descriptor of Rx characteristic
*/
uint16_t P2PNotificationDescHandle;
}P2P_ClientContext_t;
/* USER CODE BEGIN PTD */
typedef struct{
uint8_t Device_Led_Selection;
uint8_t Led1;
}P2P_LedCharValue_t;
typedef struct{
uint8_t Device_Button_Selection;
uint8_t Button1;
}P2P_ButtonCharValue_t;
typedef struct
{
uint8_t Notification_Status; /* used to chek if P2P Server is enabled to Notify */
P2P_LedCharValue_t LedControl;
P2P_ButtonCharValue_t ButtonStatus;
uint16_t ConnectionHandle;
} P2P_Client_App_Context_t;
/* USER CODE END PTD */
/* Private defines ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macros -------------------------------------------------------------*/
#define UNPACK_2_BYTE_PARAMETER(ptr) \
(uint16_t)((uint16_t)(*((uint8_t *)ptr))) | \
(uint16_t)((((uint16_t)(*((uint8_t *)ptr + 1))) << 8))
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/**
* START of Section BLE_APP_CONTEXT
*/
PLACE_IN_SECTION("BLE_APP_CONTEXT") static P2P_ClientContext_t aP2PClientContext[BLE_CFG_CLT_MAX_NBR_CB];
/**
* END of Section BLE_APP_CONTEXT
*/
/* USER CODE BEGIN PV */
PLACE_IN_SECTION("BLE_APP_CONTEXT") static P2P_Client_App_Context_t P2P_Client_App_Context;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
static void Gatt_Notification(P2P_Client_App_Notification_evt_t *pNotification);
static SVCCTL_EvtAckStatus_t Event_Handler(void *Event);
/* USER CODE BEGIN PFP */
static tBleStatus Write_Char(uint16_t UUID, uint8_t Service_Instance, uint8_t *pPayload);
static void Button_Trigger_Received( void );
static void Update_Service( void );
/* USER CODE END PFP */
/* Functions Definition ------------------------------------------------------*/
/**
* @brief Service initialization
* @param None
* @retval None
*/
void P2PC_APP_Init(void)
{
uint8_t index =0;
/* USER CODE BEGIN P2PC_APP_Init_1 */
log_debug("P2PC_APP_Init", "enter", 0);
UTIL_SEQ_RegTask( 1<< CFG_TASK_SEARCH_SERVICE_ID, UTIL_SEQ_RFU, Update_Service );
UTIL_SEQ_RegTask( 1<< CFG_TASK_SW1_BUTTON_PUSHED_ID, UTIL_SEQ_RFU, Button_Trigger_Received );
/**
* Initialize LedButton Service
*/
P2P_Client_App_Context.Notification_Status=0;
P2P_Client_App_Context.ConnectionHandle = 0x00;
P2P_Client_App_Context.LedControl.Device_Led_Selection=0x00;/* device Led */
P2P_Client_App_Context.LedControl.Led1=0x00; /* led OFF */
P2P_Client_App_Context.ButtonStatus.Device_Button_Selection=0x01;/* Device1 */
P2P_Client_App_Context.ButtonStatus.Button1=0x00;
/* USER CODE END P2PC_APP_Init_1 */
for(index = 0; index < BLE_CFG_CLT_MAX_NBR_CB; index++)
{
aP2PClientContext[index].state= APP_BLE_IDLE;
}
/**
* Register the event handler to the BLE controller
*/
SVCCTL_RegisterCltHandler(Event_Handler);
#if(CFG_DEBUG_APP_TRACE != 0)
APP_DBG_MSG("-- P2P CLIENT INITIALIZED \n");
#endif
/* USER CODE BEGIN P2PC_APP_Init_2 */
/* USER CODE END P2PC_APP_Init_2 */
return;
}
void P2PC_APP_Notification(P2PC_APP_ConnHandle_Not_evt_t *pNotification)
{
/* USER CODE BEGIN P2PC_APP_Notification_1 */
log_debug("P2PC_APP_Notification", "enter", 0);
/* USER CODE END P2PC_APP_Notification_1 */
switch(pNotification->P2P_Evt_Opcode)
{
/* USER CODE BEGIN P2P_Evt_Opcode */
/* USER CODE END P2P_Evt_Opcode */
case PEER_CONN_HANDLE_EVT :
/* USER CODE BEGIN PEER_CONN_HANDLE_EVT */
P2P_Client_App_Context.ConnectionHandle = pNotification->ConnectionHandle;
/* USER CODE END PEER_CONN_HANDLE_EVT */
break;
case PEER_DISCON_HANDLE_EVT :
/* USER CODE BEGIN PEER_DISCON_HANDLE_EVT */
{
uint8_t index = 0;
P2P_Client_App_Context.ConnectionHandle = 0x00;
while((index < BLE_CFG_CLT_MAX_NBR_CB) &&
(aP2PClientContext[index].state != APP_BLE_IDLE))
{
aP2PClientContext[index].state = APP_BLE_IDLE;
}
// BSP_LED_Off(LED_BLUE);
#if OOB_DEMO == 0
UTIL_SEQ_SetTask(1<data);
switch(event_pckt->evt)
{
case HCI_VENDOR_SPECIFIC_DEBUG_EVT_CODE:
{
blecore_evt = (evt_blecore_aci*)event_pckt->data;
switch(blecore_evt->ecode)
{
case ACI_ATT_READ_BY_GROUP_TYPE_RESP_VSEVT_CODE:
{
aci_att_read_by_group_type_resp_event_rp0 *pr = (void*)blecore_evt->data;
uint8_t numServ, i, idx;
uint16_t uuid, handle;
uint8_t index;
handle = pr->Connection_Handle;
index = 0;
while((index < BLE_CFG_CLT_MAX_NBR_CB) &&
(aP2PClientContext[index].state != APP_BLE_IDLE))
{
APP_BLE_ConnStatus_t status;
status = APP_BLE_Get_Client_Connection_Status(aP2PClientContext[index].connHandle);
if((aP2PClientContext[index].state == APP_BLE_CONNECTED_CLIENT)&&
(status == APP_BLE_IDLE))
{
/* Handle deconnected */
aP2PClientContext[index].state = APP_BLE_IDLE;
aP2PClientContext[index].connHandle = 0xFFFF;
break;
}
index++;
}
if(index < BLE_CFG_CLT_MAX_NBR_CB)
{
aP2PClientContext[index].connHandle= handle;
numServ = (pr->Data_Length) / pr->Attribute_Data_Length;
/* the event data will be
* 2bytes start handle
* 2bytes end handle
* 2 or 16 bytes data
* we are interested only if the UUID is 16 bit.
* So check if the data length is 6
*/
#if (UUID_128BIT_FORMAT==1)
if (pr->Attribute_Data_Length == 20)
{
idx = 16;
#else
if (pr->Attribute_Data_Length == 6)
{
idx = 4;
#endif
for (i=0; iAttribute_Data_List[idx]);
if(uuid == P2P_SERVICE_UUID)
{
#if(CFG_DEBUG_APP_TRACE != 0)
APP_DBG_MSG("-- GATT : P2P_SERVICE_UUID FOUND - connection handle 0x%x \n", aP2PClientContext[index].connHandle);
#endif
#if (UUID_128BIT_FORMAT==1)
aP2PClientContext[index].P2PServiceHandle = UNPACK_2_BYTE_PARAMETER(&pr->Attribute_Data_List[idx-16]);
aP2PClientContext[index].P2PServiceEndHandle = UNPACK_2_BYTE_PARAMETER (&pr->Attribute_Data_List[idx-14]);
#else
aP2PClientContext[index].P2PServiceHandle = UNPACK_2_BYTE_PARAMETER(&pr->Attribute_Data_List[idx-4]);
aP2PClientContext[index].P2PServiceEndHandle = UNPACK_2_BYTE_PARAMETER (&pr->Attribute_Data_List[idx-2]);
#endif
aP2PClientContext[index].state = APP_BLE_DISCOVER_CHARACS ;
}
idx += 6;
}
}
}
}
break;
case ACI_ATT_READ_BY_TYPE_RESP_VSEVT_CODE:
{
aci_att_read_by_type_resp_event_rp0 *pr = (void*)blecore_evt->data;
uint8_t idx;
uint16_t uuid, handle;
/* the event data will be
* 2 bytes start handle
* 1 byte char properties
* 2 bytes handle
* 2 or 16 bytes data
*/
uint8_t index;
index = 0;
while((index < BLE_CFG_CLT_MAX_NBR_CB) &&
(aP2PClientContext[index].connHandle != pr->Connection_Handle))
index++;
if(index < BLE_CFG_CLT_MAX_NBR_CB)
{
/* we are interested in only 16 bit UUIDs */
#if (UUID_128BIT_FORMAT==1)
idx = 17;
if (pr->Handle_Value_Pair_Length == 21)
#else
idx = 5;
if (pr->Handle_Value_Pair_Length == 7)
#endif
{
pr->Data_Length -= 1;
while(pr->Data_Length > 0)
{
uuid = UNPACK_2_BYTE_PARAMETER(&pr->Handle_Value_Pair_Data[idx]);
/* store the characteristic handle not the attribute handle */
#if (UUID_128BIT_FORMAT==1)
handle = UNPACK_2_BYTE_PARAMETER(&pr->Handle_Value_Pair_Data[idx-14]);
#else
handle = UNPACK_2_BYTE_PARAMETER(&pr->Handle_Value_Pair_Data[idx-2]);
#endif
if(uuid == P2P_WRITE_CHAR_UUID)
{
#if(CFG_DEBUG_APP_TRACE != 0)
APP_DBG_MSG("-- GATT : WRITE_UUID FOUND - connection handle 0x%x\n", aP2PClientContext[index].connHandle);
#endif
aP2PClientContext[index].state = APP_BLE_DISCOVER_WRITE_DESC;
aP2PClientContext[index].P2PWriteToServerCharHdle = handle;
}
else if(uuid == P2P_NOTIFY_CHAR_UUID)
{
#if(CFG_DEBUG_APP_TRACE != 0)
APP_DBG_MSG("-- GATT : NOTIFICATION_CHAR_UUID FOUND - connection handle 0x%x\n", aP2PClientContext[index].connHandle);
#endif
aP2PClientContext[index].state = APP_BLE_DISCOVER_NOTIFICATION_CHAR_DESC;
aP2PClientContext[index].P2PNotificationCharHdle = handle;
}
#if (UUID_128BIT_FORMAT==1)
pr->Data_Length -= 21;
idx += 21;
#else
pr->Data_Length -= 7;
idx += 7;
#endif
}
}
}
}
break;
case ACI_ATT_FIND_INFO_RESP_VSEVT_CODE:
{
aci_att_find_info_resp_event_rp0 *pr = (void*)blecore_evt->data;
uint8_t numDesc, idx, i;
uint16_t uuid, handle;
/*
* event data will be of the format
* 2 bytes handle
* 2 bytes UUID
*/
uint8_t index;
index = 0;
while((index < BLE_CFG_CLT_MAX_NBR_CB) &&
(aP2PClientContext[index].connHandle != pr->Connection_Handle))
index++;
if(index < BLE_CFG_CLT_MAX_NBR_CB)
{
numDesc = (pr->Event_Data_Length) / 4;
/* we are interested only in 16 bit UUIDs */
idx = 0;
if (pr->Format == UUID_TYPE_16)
{
for (i=0; iHandle_UUID_Pair[idx]);
uuid = UNPACK_2_BYTE_PARAMETER(&pr->Handle_UUID_Pair[idx+2]);
if(uuid == CLIENT_CHAR_CONFIG_DESCRIPTOR_UUID)
{
#if(CFG_DEBUG_APP_TRACE != 0)
APP_DBG_MSG("-- GATT : CLIENT_CHAR_CONFIG_DESCRIPTOR_UUID- connection handle 0x%x\n", aP2PClientContext[index].connHandle);
#endif
if( aP2PClientContext[index].state == APP_BLE_DISCOVER_NOTIFICATION_CHAR_DESC)
{
aP2PClientContext[index].P2PNotificationDescHandle = handle;
aP2PClientContext[index].state = APP_BLE_ENABLE_NOTIFICATION_DESC;
}
}
idx += 4;
}
}
}
}
break; /*ACI_ATT_FIND_INFO_RESP_VSEVT_CODE*/
case ACI_GATT_NOTIFICATION_VSEVT_CODE:
{
aci_gatt_notification_event_rp0 *pr = (void*)blecore_evt->data;
uint8_t index;
index = 0;
while((index < BLE_CFG_CLT_MAX_NBR_CB) &&
(aP2PClientContext[index].connHandle != pr->Connection_Handle))
index++;
if(index < BLE_CFG_CLT_MAX_NBR_CB)
{
if ( (pr->Attribute_Handle == aP2PClientContext[index].P2PNotificationCharHdle) &&
(pr->Attribute_Value_Length == (2)) )
{
Notification.P2P_Client_Evt_Opcode = P2P_NOTIFICATION_INFO_RECEIVED_EVT;
Notification.DataTransfered.Length = pr->Attribute_Value_Length;
Notification.DataTransfered.pPayload = &pr->Attribute_Value[0];
Gatt_Notification(&Notification);
/* INFORM APPLICATION BUTTON IS PUSHED BY END DEVICE */
}
}
}
break;/* end ACI_GATT_NOTIFICATION_VSEVT_CODE */
case ACI_GATT_PROC_COMPLETE_VSEVT_CODE:
{
aci_gatt_proc_complete_event_rp0 *pr = (void*)blecore_evt->data;
#if(CFG_DEBUG_APP_TRACE != 0)
APP_DBG_MSG("-- GATT : ACI_GATT_PROC_COMPLETE_VSEVT_CODE \n");
APP_DBG_MSG("\n");
#endif
uint8_t index;
index = 0;
while((index < BLE_CFG_CLT_MAX_NBR_CB) &&
(aP2PClientContext[index].connHandle != pr->Connection_Handle))
index++;
if(index < BLE_CFG_CLT_MAX_NBR_CB)
{
UTIL_SEQ_SetTask( 1<P2P_Client_Evt_Opcode)
{
/* USER CODE BEGIN P2P_Client_Evt_Opcode */
/* USER CODE END P2P_Client_Evt_Opcode */
case P2P_NOTIFICATION_INFO_RECEIVED_EVT:
/* USER CODE BEGIN P2P_NOTIFICATION_INFO_RECEIVED_EVT */
{
P2P_Client_App_Context.LedControl.Device_Led_Selection=pNotification->DataTransfered.pPayload[0];
switch(P2P_Client_App_Context.LedControl.Device_Led_Selection) {
case 0x01 : {
P2P_Client_App_Context.LedControl.Led1=pNotification->DataTransfered.pPayload[1];
if(P2P_Client_App_Context.LedControl.Led1==0x00){
// BSP_LED_Off(LED_BLUE);
log_debug("Gatt_Notification", " -- P2P APPLICATION CLIENT : NOTIFICATION RECEIVED - LED OFF ", 0);
} else {
log_debug("Gatt_Notification", " -- P2P APPLICATION CLIENT : NOTIFICATION RECEIVED - LED ON", 0);
// BSP_LED_On(LED_BLUE);
}
break;
}
default : break;
}
}
/* USER CODE END P2P_NOTIFICATION_INFO_RECEIVED_EVT */
break;
default:
/* USER CODE BEGIN P2P_Client_Evt_Opcode_Default */
/* USER CODE END P2P_Client_Evt_Opcode_Default */
break;
}
/* USER CODE BEGIN Gatt_Notification_2*/
/* USER CODE END Gatt_Notification_2 */
return;
}
uint8_t P2P_Client_APP_Get_State( void ) {
return aP2PClientContext[0].state;
}
/* USER CODE BEGIN LF */
/**
* @brief Feature Characteristic update
* @param pFeatureValue: The address of the new value to be written
* @retval None
*/
tBleStatus Write_Char(uint16_t UUID, uint8_t Service_Instance, uint8_t *pPayload)
{
tBleStatus ret = BLE_STATUS_INVALID_PARAMS;
uint8_t index;
index = 0;
while((index < BLE_CFG_CLT_MAX_NBR_CB) &&
(aP2PClientContext[index].state != APP_BLE_IDLE))
{
switch(UUID)
{
case P2P_WRITE_CHAR_UUID: /* SERVER RX -- so CLIENT TX */
ret =aci_gatt_write_without_resp(aP2PClientContext[index].connHandle,
aP2PClientContext[index].P2PWriteToServerCharHdle,
2, /* charValueLen */
(uint8_t *) pPayload);
break;
default:
break;
}
index++;
}
return ret;
}/* end Write_Char() */
void Button_Trigger_Received(void)
{
log_debug("Button_Trigger_Received", "-- P2P APPLICATION CLIENT : BUTTON PUSHED - WRITE TO SERVER ", 0);
if(P2P_Client_App_Context.ButtonStatus.Button1==0x00){
P2P_Client_App_Context.ButtonStatus.Button1=0x01;
}else {
P2P_Client_App_Context.ButtonStatus.Button1=0x00;
}
Write_Char( P2P_WRITE_CHAR_UUID, 0, (uint8_t *)&P2P_Client_App_Context.ButtonStatus);
return;
}
void Update_Service()
{
log_debug("Update_Service", "enter", 0);
uint16_t enable = 0x0001;
uint16_t disable = 0x0000;
uint8_t index;
index = 0;
while((index < BLE_CFG_CLT_MAX_NBR_CB) &&
(aP2PClientContext[index].state != APP_BLE_IDLE))
{
switch(aP2PClientContext[index].state)
{
case APP_BLE_DISCOVER_SERVICES:
log_debug("Update_Service", "P2P_DISCOVER_SERVICES", 0);
break;
case APP_BLE_DISCOVER_CHARACS:
log_debug("Update_Service", "* GATT : Discover P2P Characteristics", 0);
aci_gatt_disc_all_char_of_service(aP2PClientContext[index].connHandle,
aP2PClientContext[index].P2PServiceHandle,
aP2PClientContext[index].P2PServiceEndHandle);
break;
case APP_BLE_DISCOVER_WRITE_DESC: /* Not Used - No decriptor */
log_debug("Update_Service", "* GATT : Discover Descriptor of TX - Write Characteritic", 0);
aci_gatt_disc_all_char_desc(aP2PClientContext[index].connHandle,
aP2PClientContext[index].P2PWriteToServerCharHdle,
aP2PClientContext[index].P2PWriteToServerCharHdle+2);
break;
case APP_BLE_DISCOVER_NOTIFICATION_CHAR_DESC:
log_debug("Update_Service", "* GATT : Discover Descriptor of Rx - Notification Characteritic", 0);
aci_gatt_disc_all_char_desc(aP2PClientContext[index].connHandle,
aP2PClientContext[index].P2PNotificationCharHdle,
aP2PClientContext[index].P2PNotificationCharHdle+2);
break;
case APP_BLE_ENABLE_NOTIFICATION_DESC:
log_debug("Update_Service", "* GATT : Enable Server Notification", 0);
aci_gatt_write_char_desc(aP2PClientContext[index].connHandle,
aP2PClientContext[index].P2PNotificationDescHandle,
2,
(uint8_t *)&enable);
aP2PClientContext[index].state = APP_BLE_CONNECTED_CLIENT;
// BSP_LED_Off(LED_RED);
break;
case APP_BLE_DISABLE_NOTIFICATION_DESC :
log_debug("Update_Service", "* GATT : Disable Server Notification", 0);
aci_gatt_write_char_desc(aP2PClientContext[index].connHandle,
aP2PClientContext[index].P2PNotificationDescHandle,
2,
(uint8_t *)&disable);
aP2PClientContext[index].state = APP_BLE_CONNECTED_CLIENT;
break;
default:
break;
}
index++;
}
return;
}
/* USER CODE END LF */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/