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/**
******************************************************************************
* @file motenv_stm.c
* @author SRA/AST
* @brief MOTENV Service (Custom STM)
******************************************************************************
* @attention
*
* Copyright (c) 2019-2021 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "ble_common.h"
#include "ble.h"
#include "dbg_trace.h"
#include "wb5m_sensor_stm.h"
/* Private typedef -----------------------------------------------------------*/
/**
* @brief MOTENV Context structure definition
*/
typedef struct
{
/* Handles for HW Service and Chars */
uint16_t HWSvcHdle; /**< Service handle */
uint16_t HWMotionCharHdle; /**< Characteristic handle */
uint16_t HWEnvCharHdle; /**< Characteristic handle */
} MotenvContext_t;
typedef enum
{
COMSVC_Notification = ( 1 << 0 ),
COMSVC_Indication = ( 1 << 1 ),
} COMSVC_ClientCharConfMask_t;
/* Private defines -----------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
PLACE_IN_SECTION("BLE_DRIVER_CONTEXT") static MotenvContext_t aMotenvContext;
/* Private function prototypes -----------------------------------------------*/
static SVCCTL_EvtAckStatus_t Motenv_Event_Handler(void *pckt);
/* Functions Definition ------------------------------------------------------*/
/* Private functions ----------------------------------------------------------*/
#define COPY_UUID_128(uuid_struct, uuid_15, uuid_14, uuid_13, uuid_12, uuid_11, uuid_10, uuid_9, uuid_8, uuid_7, uuid_6, uuid_5, uuid_4, uuid_3, uuid_2, uuid_1, uuid_0) \
do {\
uuid_struct[0] = uuid_0; uuid_struct[1] = uuid_1; uuid_struct[2] = uuid_2; uuid_struct[3] = uuid_3; \
uuid_struct[4] = uuid_4; uuid_struct[5] = uuid_5; uuid_struct[6] = uuid_6; uuid_struct[7] = uuid_7; \
uuid_struct[8] = uuid_8; uuid_struct[9] = uuid_9; uuid_struct[10] = uuid_10; uuid_struct[11] = uuid_11; \
uuid_struct[12] = uuid_12; uuid_struct[13] = uuid_13; uuid_struct[14] = uuid_14; uuid_struct[15] = uuid_15; \
}while(0)
/* Hardware Service and Characteristics */
#define COPY_HW_SERVICE_UUID(uuid_struct) COPY_UUID_128(uuid_struct,0x00,0x00,0x00,0x00,0x00,0x01,0x11,0xE1,0x9A,0xB4,0x00,0x02,0xA5,0xD5,0xC5,0x1B)
#define COPY_HW_MOTION_CHAR_UUID(uuid_struct) COPY_UUID_128(uuid_struct,0x00,0xE0,0x00,0x00,0x00,0x01,0x11,0xE1,0xAC,0x36,0x00,0x02,0xA5,0xD5,0xC5,0x1B)
#define COPY_HW_ENV_CHAR_UUID(uuid_struct) COPY_UUID_128(uuid_struct,0x00,0x1D,0x00,0x00,0x00,0x01,0x11,0xE1,0xAC,0x36,0x00,0x02,0xA5,0xD5,0xC5,0x1B)
#define HW_CHAR_NUMBER (3)
/* Characteristic Length */
#define TIMESTAMP_LEN (2)
/* Hardware Characteristic Length */
#define MOTION_CHAR_LEN (TIMESTAMP_LEN+(3*3*2)) //(ACC+GYRO+MAG)*(X+Y+Z)*2BYTES
#define ENV_CHAR_LEN (TIMESTAMP_LEN+(2*2)+2+4) //(2BYTES*2TEMP)+(2BYTES*HUM)+(4BYTES*PRESS)
/**
* @brief Event handler
* @param Event: Address of the buffer holding the Event
* @retval Ack: Return whether the Event has been managed or not
*/
static SVCCTL_EvtAckStatus_t Motenv_Event_Handler(void *Event)
{
SVCCTL_EvtAckStatus_t return_value;
hci_event_pckt *event_pckt;
evt_blue_aci *blue_evt;
aci_gatt_attribute_modified_event_rp0 * attribute_modified;
aci_gatt_read_permit_req_event_rp0 *read_permit_req;
MOTENV_STM_App_Notification_evt_t Notification;
return_value = SVCCTL_EvtNotAck;
event_pckt = (hci_event_pckt *)(((hci_uart_pckt*)Event)->data);
switch(event_pckt->evt)
{
case EVT_VENDOR:
{
blue_evt = (evt_blue_aci*)event_pckt->data;
switch(blue_evt->ecode)
{
/* Handle Read request from GATT Client */
case EVT_BLUE_GATT_READ_PERMIT_REQ:
{
read_permit_req = (aci_gatt_read_permit_req_event_rp0*)blue_evt->data;
/* Env char */
if(read_permit_req->Attribute_Handle == (aMotenvContext.HWEnvCharHdle + 1U))
{
/**
* Notify to application
*/
BLE_DBG_TEMPLATE_STM_MSG("-- GATT : READ ENV CHAR INFO RECEIVED\n");
Notification.Motenv_Evt_Opcode = HW_ENV_READ_EVT;
MOTENV_STM_App_Notification(&Notification);
}
else
{
/* do nothing */
}
(void)aci_gatt_allow_read(read_permit_req->Connection_Handle);
break;
}
/* Handle Write request or Notification enabling from GATT Client */
case EVT_BLUE_GATT_ATTRIBUTE_MODIFIED:
{
read_permit_req = (aci_gatt_read_permit_req_event_rp0*)blue_evt->data;
attribute_modified = (aci_gatt_attribute_modified_event_rp0*)blue_evt->data;
/* Env char */
if(attribute_modified->Attr_Handle == (aMotenvContext.HWEnvCharHdle + 2U))
{
/**
* Descriptor handle
*/
return_value = SVCCTL_EvtAckFlowEnable;
/**
* Notify to application
*/
if(attribute_modified->Attr_Data[0] & COMSVC_Notification)
{
Notification.Motenv_Evt_Opcode = HW_ENV_NOTIFY_ENABLED_EVT;
MOTENV_STM_App_Notification(&Notification);
}
else
{
Notification.Motenv_Evt_Opcode = HW_ENV_NOTIFY_DISABLED_EVT;
MOTENV_STM_App_Notification(&Notification);
}
}
/* Motion char */
else if(attribute_modified->Attr_Handle == (aMotenvContext.HWMotionCharHdle + 2U))
{
/**
* Descriptor handle
*/
return_value = SVCCTL_EvtAckFlowEnable;
/**
* Notify to application
*/
if(attribute_modified->Attr_Data[0] & COMSVC_Notification)
{
Notification.Motenv_Evt_Opcode = HW_MOTION_NOTIFY_ENABLED_EVT;
MOTENV_STM_App_Notification(&Notification);
}
else
{
Notification.Motenv_Evt_Opcode = HW_MOTION_NOTIFY_DISABLED_EVT;
MOTENV_STM_App_Notification(&Notification);
}
}
else
{
/* do nothing */
}
break;
}
default:
break;
}
break; /* HCI_EVT_VENDOR_SPECIFIC */
}
default:
break;
}
return(return_value);
}/* end Motenv_Event_Handler */
/* Public functions ----------------------------------------------------------*/
/**
* @brief Service initialization
* @param None
* @retval None
*/
void MOTENV_STM_Init(void)
{
Char_UUID_t uuid16;
/**
* Register the event handler to the BLE controller
*/
SVCCTL_RegisterSvcHandler(Motenv_Event_Handler);
/**
* Add HW Service
*/
COPY_HW_SERVICE_UUID(uuid16.Char_UUID_128);
(void)aci_gatt_add_service(UUID_TYPE_128,
(Service_UUID_t *) &uuid16,
PRIMARY_SERVICE,
1+(3*HW_CHAR_NUMBER), /*Max_Attribute_Records*/
&(aMotenvContext.HWSvcHdle));
/**
* Add Motion Characteristic for HW Service
*/
COPY_HW_MOTION_CHAR_UUID(uuid16.Char_UUID_128);
(void)aci_gatt_add_char(aMotenvContext.HWSvcHdle,
UUID_TYPE_128, &uuid16,
MOTION_CHAR_LEN,
CHAR_PROP_NOTIFY,
ATTR_PERMISSION_NONE,
GATT_NOTIFY_READ_REQ_AND_WAIT_FOR_APPL_RESP, /* gattEvtMask */
16, /* encryKeySize */
0, /* isVariable: 1 */
&(aMotenvContext.HWMotionCharHdle));
/**
* Add Env Characteristic for HW Service
*/
COPY_HW_ENV_CHAR_UUID(uuid16.Char_UUID_128);
(void)aci_gatt_add_char(aMotenvContext.HWSvcHdle,
UUID_TYPE_128, &uuid16,
ENV_CHAR_LEN,
CHAR_PROP_NOTIFY|CHAR_PROP_READ,
ATTR_PERMISSION_NONE,
GATT_NOTIFY_READ_REQ_AND_WAIT_FOR_APPL_RESP, /* gattEvtMask */
16, /* encryKeySize */
0, /* isVariable: 1 */
&(aMotenvContext.HWEnvCharHdle));
return;
} /* end MOTENV_STM_Init */
/**
* @brief Characteristic update
* @param UUID: UUID of the characteristic
* @param payloadLen: Length of the char value to be notified
* @param pPayload: Char value to be notified
* @retval BLE status
*/
tBleStatus MOTENV_STM_App_Update_Char(uint16_t UUID, uint8_t payloadLen, uint8_t *pPayload)
{
tBleStatus result = BLE_STATUS_INVALID_PARAMS;
switch(UUID)
{
case ENV_CHAR_UUID:
result = aci_gatt_update_char_value(aMotenvContext.HWSvcHdle,
aMotenvContext.HWEnvCharHdle,
0, /* charValOffset */
payloadLen, /* charValueLen */
pPayload);
break;
case MOTION_CHAR_UUID:
result = aci_gatt_update_char_value(aMotenvContext.HWSvcHdle,
aMotenvContext.HWMotionCharHdle,
0, /* charValOffset */
payloadLen, /* charValueLen */
pPayload);
break;
default:
break;
}
return result;
}
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