/**
****************************************************************************************
* @brief Handles reception of the @ref HTPC_ENABLE_REQ message.
* The handler enables the Health Thermometer Profile Collector Role.
* @param[in] msgid Id of the message received (probably unused).
* @param[in] param Pointer to the parameters of the message.
* @param[in] dest_id ID of the receiving task instance (probably unused).
* @param[in] src_id ID of the sending task instance.
* @return If the message was consumed or not.
****************************************************************************************
*/
static int htpc_enable_req_handler(ke_msg_id_t const msgid,
struct htpc_enable_req const *param,
ke_task_id_t const dest_id,
ke_task_id_t const src_id)
{
// Status
uint8_t status;
// Health Thermometer Profile Collector Role Task Environment
struct htpc_env_tag *htpc_env;
// Connection Information
struct prf_con_info con_info;
// Fill the Connection Information structure
con_info.conhdl = param->conhdl;
con_info.prf_id = dest_id;
con_info.appid = src_id;
// Add an environment for the provided device
status = PRF_CLIENT_ENABLE(con_info, param, htpc);
if (status == PRF_ERR_FEATURE_NOT_SUPPORTED)
{
// The message has been forwarded to another task id.
return (KE_MSG_NO_FREE);
}
else if (status == PRF_ERR_OK)
{
htpc_env = PRF_CLIENT_GET_ENV(dest_id, htpc);
//Config connection, start discovering
if(param->con_type == PRF_CON_DISCOVERY)
{
htpc_env->last_uuid_req = ATT_SVC_HEALTH_THERMOM;
// Start discovering HTS on peer
prf_disc_svc_send(&htpc_env->con_info, ATT_SVC_HEALTH_THERMOM);
// Go to DISCOVERING state
ke_state_set(dest_id, HTPC_DISCOVERING);
}
// Normal connection, get saved att details
else
{
htpc_env->hts = param->hts;
//send APP confirmation that can start normal connection to TH
htpc_enable_cfm_send(htpc_env, &htpc_env->con_info, PRF_ERR_OK);
}
}
else
{
// An error has been raised during the process, hts is NULL and won't be handled
htpc_enable_cfm_send(NULL, &con_info, status);
}
return (KE_MSG_CONSUMED);
}
/**
****************************************************************************************
* @brief Handles reception of the @ref GATT_CMP_EVT message.
* This generic event is received for different requests, so need to keep track.
* @param[in] msgid Id of the message received (probably unused).
* @param[in] param Pointer to the parameters of the message.
* @param[in] dest_id ID of the receiving task instance (probably unused).
* @param[in] src_id ID of the sending task instance.
* @return If the message was consumed or not.
****************************************************************************************
*/
static int gatt_cmp_evt_handler(ke_msg_id_t const msgid,
struct gatt_cmp_evt const *param,
ke_task_id_t const dest_id,
ke_task_id_t const src_id)
{
// Status
uint8_t status;
// Get the address of the environment
struct htpc_env_tag *htpc_env = PRF_CLIENT_GET_ENV(dest_id, htpc);
if ((param->status == ATT_ERR_ATTRIBUTE_NOT_FOUND)||
(param->status == ATT_ERR_NO_ERROR))
{
// Service start/end handles has been received
if(htpc_env->last_uuid_req == ATT_SVC_HEALTH_THERMOM)
{
// check if service handles are not ok
if (htpc_env->hts.svc.shdl == ATT_INVALID_HANDLE)
{
// stop discovery procedure.
htpc_enable_cfm_send(htpc_env, &htpc_env->con_info, PRF_ERR_STOP_DISC_CHAR_MISSING);
}
//too many services found only one such service should exist
else if(htpc_env->nb_svc > 1)
{
// stop discovery procedure.
htpc_enable_cfm_send(htpc_env, &htpc_env->con_info, PRF_ERR_MULTIPLE_SVC);
}
// check if service handles are ok
else
{
//discover all HTS characteristics
htpc_env->last_uuid_req = ATT_DECL_CHARACTERISTIC;
prf_disc_char_all_send(&(htpc_env->con_info), &(htpc_env->hts.svc));
}
}
else if(htpc_env->last_uuid_req == ATT_DECL_CHARACTERISTIC)
{
status = prf_check_svc_char_validity(HTPC_CHAR_HTS_MAX, htpc_env->hts.chars,
htpc_hts_char);
// Check for characteristic properties.
if(status == PRF_ERR_OK)
{
htpc_env->last_uuid_req = ATT_INVALID_HANDLE;
htpc_env->last_char_code = htpc_hts_char_desc[HTPC_DESC_HTS_TEMP_MEAS_CLI_CFG].char_code;
//Discover Temperature Measurement Char. Descriptor - Mandatory
prf_disc_char_desc_send(&(htpc_env->con_info),
&(htpc_env->hts.chars[htpc_env->last_char_code]));
}
else
{
// Stop discovery procedure.
htpc_enable_cfm_send(htpc_env, &htpc_env->con_info, status);
}
}
else //Descriptors
{
//Get code of next char. having descriptors
htpc_env->last_char_code = htpc_get_next_desc_char_code(htpc_env, &htpc_hts_char_desc[0]);
if (htpc_env->last_char_code != HTPC_DESC_HTS_MAX)
{
prf_disc_char_desc_send(&(htpc_env->con_info),
&(htpc_env->hts.chars[htpc_env->last_char_code]));
}
else
{
status = prf_check_svc_char_desc_validity(HTPC_DESC_HTS_MAX,
htpc_env->hts.descs,
htpc_hts_char_desc,
htpc_env->hts.chars);
htpc_enable_cfm_send(htpc_env, &htpc_env->con_info, status);
}
}
}
else
{
htpc_enable_cfm_send(htpc_env, &htpc_env->con_info, param->status);
}
return (KE_MSG_CONSUMED);
}
/**
****************************************************************************************
* @brief Handles reception of the @ref GATTC_CMP_EVT message.
* This generic event is received for different requests, so need to keep track.
* @param[in] msgid Id of the message received (probably unused).
* @param[in] param Pointer to the parameters of the message.
* @param[in] dest_id ID of the receiving task instance (probably unused).
* @param[in] src_id ID of the sending task instance.
* @return If the message was consumed or not.
****************************************************************************************
*/
static int gattc_cmp_evt_handler(ke_msg_id_t const msgid,
struct gattc_cmp_evt const *param,
ke_task_id_t const dest_id,
ke_task_id_t const src_id)
{
uint8_t state = ke_state_get(dest_id);
// Status
uint8_t status;
// Get the address of the environment
struct htpc_env_tag *htpc_env = PRF_CLIENT_GET_ENV(dest_id, htpc);
if(state == HTPC_DISCOVERING)
{
if ((param->status == ATT_ERR_ATTRIBUTE_NOT_FOUND)||
(param->status == ATT_ERR_NO_ERROR))
{
// Service start/end handles has been received
if(htpc_env->last_uuid_req == ATT_SVC_HEALTH_THERMOM)
{
// check if service handles are not ok
if (htpc_env->hts.svc.shdl == ATT_INVALID_HANDLE)
{
// stop discovery procedure.
htpc_enable_cfm_send(htpc_env, &htpc_env->con_info, PRF_ERR_STOP_DISC_CHAR_MISSING);
}
//too many services found only one such service should exist
else if(htpc_env->nb_svc > 1)
{
// stop discovery procedure.
htpc_enable_cfm_send(htpc_env, &htpc_env->con_info, PRF_ERR_MULTIPLE_SVC);
}
// check if service handles are ok
else
{
//discover all HTS characteristics
htpc_env->last_uuid_req = ATT_DECL_CHARACTERISTIC;
prf_disc_char_all_send(&(htpc_env->con_info), &(htpc_env->hts.svc));
}
}
else if(htpc_env->last_uuid_req == ATT_DECL_CHARACTERISTIC)
{
status = prf_check_svc_char_validity(HTPC_CHAR_HTS_MAX, htpc_env->hts.chars,
htpc_hts_char);
// Check for characteristic properties.
if(status == PRF_ERR_OK)
{
htpc_env->last_uuid_req = ATT_INVALID_HANDLE;
htpc_env->last_char_code = htpc_hts_char_desc[HTPC_DESC_HTS_TEMP_MEAS_CLI_CFG].char_code;
//Discover Temperature Measurement Char. Descriptor - Mandatory
prf_disc_char_desc_send(&(htpc_env->con_info),
&(htpc_env->hts.chars[htpc_env->last_char_code]));
}
else
{
// Stop discovery procedure.
htpc_enable_cfm_send(htpc_env, &htpc_env->con_info, status);
}
}
else //Descriptors
{
//Get code of next char. having descriptors
htpc_env->last_char_code = htpc_get_next_desc_char_code(htpc_env, &htpc_hts_char_desc[0]);
if (htpc_env->last_char_code != HTPC_DESC_HTS_MAX)
{
prf_disc_char_desc_send(&(htpc_env->con_info),
&(htpc_env->hts.chars[htpc_env->last_char_code]));
}
else
{
status = prf_check_svc_char_desc_validity(HTPC_DESC_HTS_MAX,
htpc_env->hts.descs,
htpc_hts_char_desc,
htpc_env->hts.chars);
htpc_enable_cfm_send(htpc_env, &htpc_env->con_info, status);
}
}
}
else
{
htpc_enable_cfm_send(htpc_env, &htpc_env->con_info, param->status);
}
}
else if(state == HTPC_CONNECTED)
{
switch(param->req_type)
{
case GATTC_WRITE:
case GATTC_WRITE_NO_RESPONSE:
{
// Get the address of the environment
struct htpc_wr_char_rsp *wr_cfm = KE_MSG_ALLOC(HTPC_WR_CHAR_RSP,
htpc_env->con_info.appid, dest_id,
htpc_wr_char_rsp);
wr_cfm->conhdl = gapc_get_conhdl(htpc_env->con_info.conidx);
//it will be a GATT status code
wr_cfm->status = param->status;
// send the message
ke_msg_send(wr_cfm);
}
break;
case GATTC_READ:
{
if(param->status != GATT_ERR_NO_ERROR)
{
prf_client_att_info_rsp((prf_env_struct*) htpc_env, HTPC_RD_CHAR_RSP,
param->status, NULL);
}
}
break;
default: break;
}
}
return (KE_MSG_CONSUMED);
}
