466 lines
17 KiB
C
466 lines
17 KiB
C
/**
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****************************************************************************************
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* @addtogroup DATAPATHPSTASK
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* @{
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****************************************************************************************
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*/
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/*
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* INCLUDE FILES
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****************************************************************************************
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*/
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#include "rwip_config.h"
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#if (BLE_DATAPATH_SERVER)
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#include "attm.h"
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#include "datapathps.h"
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#include "datapathps_task.h"
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#include "gap.h"
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#include "gapc_task.h"
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#include "gattc_task.h"
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#include "prf_utils.h"
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#include "co_utils.h"
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#include "ke_mem.h"
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/*
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* LOCAL FUNCTIONS DEFINITIONS
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****************************************************************************************
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*/
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static int gapc_disconnect_ind_handler(ke_msg_id_t const msgid,
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struct gapc_disconnect_ind const *param,
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ke_task_id_t const dest_id,
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ke_task_id_t const src_id) {
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struct datapathps_env_tag *datapathps_env =
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PRF_ENV_GET(DATAPATHPS, datapathps);
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uint8_t conidx = KE_IDX_GET(src_id);
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datapathps_env->isNotificationEnabled[conidx] = false;
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return KE_MSG_CONSUMED;
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}
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/**
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****************************************************************************************
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* @brief Handles reception of the @ref GL2C_CODE_ATT_WR_CMD_IND message.
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* The handler compares the new values with current ones and notifies them if
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*they changed.
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* @param[in] msgid Id of the message received (probably unused).
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* @param[in] param Pointer to the parameters of the message.
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* @param[in] dest_id ID of the receiving task instance (probably unused).
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* @param[in] src_id ID of the sending task instance.
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* @return If the message was consumed or not.
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****************************************************************************************
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*/
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__STATIC int gattc_write_req_ind_handler(
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ke_msg_id_t const msgid, struct gattc_write_req_ind const *param,
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ke_task_id_t const dest_id, ke_task_id_t const src_id) {
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// Get the address of the environment
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struct datapathps_env_tag *datapathps_env =
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PRF_ENV_GET(DATAPATHPS, datapathps);
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uint8_t conidx = KE_IDX_GET(src_id);
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uint8_t status = GAP_ERR_NO_ERROR;
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BLE_GATT_DBG(
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"gattc_write_req_ind_handler datapathps_env 0x%x write handle %d shdl %d",
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datapathps_env, param->handle, datapathps_env->shdl);
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if (datapathps_env != NULL) {
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// TX ccc
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if (param->handle == (datapathps_env->shdl + DATAPATHPS_IDX_TX_NTF_CFG)) {
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uint16_t value = 0x0000;
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// Extract value before check
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memcpy(&value, &(param->value), sizeof(uint16_t));
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if (value == PRF_CLI_STOP_NTFIND) {
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datapathps_env->isNotificationEnabled[conidx] = false;
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} else if (value == PRF_CLI_START_NTF) {
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datapathps_env->isNotificationEnabled[conidx] = true;
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} else {
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status = PRF_APP_ERROR;
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}
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if (status == GAP_ERR_NO_ERROR) {
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// Inform APP of TX ccc change
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struct ble_datapath_tx_notif_config_t *ind =
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KE_MSG_ALLOC(DATAPATHPS_TX_CCC_CHANGED,
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prf_dst_task_get(&datapathps_env->prf_env, conidx),
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prf_src_task_get(&datapathps_env->prf_env, conidx),
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ble_datapath_tx_notif_config_t);
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ind->isNotificationEnabled =
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datapathps_env->isNotificationEnabled[conidx];
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ke_msg_send(ind);
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}
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}
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// RX data
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else if (param->handle == (datapathps_env->shdl + DATAPATHPS_IDX_RX_VAL)) {
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// inform APP of data
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struct ble_datapath_rx_data_ind_t *ind =
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KE_MSG_ALLOC_DYN(DATAPATHPS_RX_DATA_RECEIVED,
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prf_dst_task_get(&datapathps_env->prf_env, conidx),
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prf_src_task_get(&datapathps_env->prf_env, conidx),
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ble_datapath_rx_data_ind_t, param->length);
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ind->length = param->length;
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memcpy((uint8_t *)(ind->data), &(param->value), param->length);
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ke_msg_send(ind);
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} else {
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status = PRF_APP_ERROR;
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}
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}
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// Send write response
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struct gattc_write_cfm *cfm =
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KE_MSG_ALLOC(GATTC_WRITE_CFM, src_id, dest_id, gattc_write_cfm);
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cfm->handle = param->handle;
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cfm->status = status;
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ke_msg_send(cfm);
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return (KE_MSG_CONSUMED);
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}
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/**
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****************************************************************************************
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* @brief Handles @ref GATTC_CMP_EVT for GATTC_NOTIFY message meaning that
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*Measurement notification has been correctly sent to peer device (but not
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*confirmed by peer device).
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* *
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* @param[in] msgid Id of the message received.
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* @param[in] param Pointer to the parameters of the message.
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* @param[in] dest_id ID of the receiving task instance
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* @param[in] src_id ID of the sending task instance.
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* @return If the message was consumed or not.
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****************************************************************************************
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*/
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__STATIC int gattc_cmp_evt_handler(ke_msg_id_t const msgid,
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struct gattc_cmp_evt const *param,
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ke_task_id_t const dest_id,
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ke_task_id_t const src_id) {
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// Get the address of the environment
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struct datapathps_env_tag *datapathps_env =
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PRF_ENV_GET(DATAPATHPS, datapathps);
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uint8_t conidx = KE_IDX_GET(dest_id);
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// notification has been sent out
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if ((GATTC_NOTIFY == param->operation) ||
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(GATTC_WRITE_NO_RESPONSE == param->operation)) {
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struct ble_datapath_tx_sent_ind_t *ind =
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KE_MSG_ALLOC(DATAPATHPS_TX_DATA_SENT,
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prf_dst_task_get(&datapathps_env->prf_env, conidx),
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prf_src_task_get(&datapathps_env->prf_env, conidx),
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ble_datapath_tx_sent_ind_t);
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ind->status = param->status;
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ke_msg_send(ind);
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}
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ke_state_set(dest_id, DATAPATHPS_IDLE);
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return (KE_MSG_CONSUMED);
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}
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/**
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****************************************************************************************
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* @brief Handles reception of the read request from peer device
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*
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* @param[in] msgid Id of the message received (probably unused).
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* @param[in] param Pointer to the parameters of the message.
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* @param[in] dest_id ID of the receiving task instance (probably unused).
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* @param[in] src_id ID of the sending task instance.
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* @return If the message was consumed or not.
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****************************************************************************************
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*/
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__STATIC int gattc_read_req_ind_handler(ke_msg_id_t const msgid,
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struct gattc_read_req_ind const *param,
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ke_task_id_t const dest_id,
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ke_task_id_t const src_id) {
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// Get the address of the environment
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struct datapathps_env_tag *datapathps_env =
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PRF_ENV_GET(DATAPATHPS, datapathps);
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struct gattc_read_cfm *cfm =
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KE_MSG_ALLOC_DYN(GATTC_READ_CFM, src_id, dest_id, gattc_read_cfm,
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BLE_MAXIMUM_CHARACTERISTIC_DESCRIPTION);
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uint8_t conidx = KE_IDX_GET(src_id);
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uint8_t status = GAP_ERR_NO_ERROR;
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BLE_GATT_DBG("gattc_read_req_ind_handler read handle %d shdl %d",
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param->handle, datapathps_env->shdl);
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if (param->handle == (datapathps_env->shdl + DATAPATHPS_IDX_TX_DESC)) {
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cfm->length = sizeof(custom_tx_desc);
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memcpy(cfm->value, custom_tx_desc, cfm->length);
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} else if (param->handle == (datapathps_env->shdl + DATAPATHPS_IDX_RX_DESC)) {
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cfm->length = sizeof(custom_rx_desc);
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memcpy(cfm->value, custom_rx_desc, cfm->length);
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} else if (param->handle ==
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(datapathps_env->shdl + DATAPATHPS_IDX_TX_NTF_CFG)) {
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uint16_t notify_ccc;
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if (datapathps_env->isNotificationEnabled[conidx]) {
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notify_ccc = 1;
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} else {
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notify_ccc = 0;
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}
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cfm->length = sizeof(notify_ccc);
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memcpy(cfm->value, (uint8_t *)¬ify_ccc, cfm->length);
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}
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else {
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cfm->length = 0;
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status = ATT_ERR_REQUEST_NOT_SUPPORTED;
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}
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cfm->handle = param->handle;
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cfm->status = status;
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ke_msg_send(cfm);
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ke_state_set(dest_id, DATAPATHPS_IDLE);
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return (KE_MSG_CONSUMED);
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}
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static void send_notifiction(uint8_t conidx, const uint8_t *ptrData,
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uint32_t length) {
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struct datapathps_env_tag *datapathps_env =
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PRF_ENV_GET(DATAPATHPS, datapathps);
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if (datapathps_env->isNotificationEnabled[conidx]) {
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// Allocate the GATT notification message
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struct gattc_send_evt_cmd *report_ntf =
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KE_MSG_ALLOC_DYN(GATTC_SEND_EVT_CMD, KE_BUILD_ID(TASK_GATTC, conidx),
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prf_src_task_get(&datapathps_env->prf_env, conidx),
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gattc_send_evt_cmd, length);
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// Fill in the parameter structure
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report_ntf->operation = GATTC_NOTIFY;
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report_ntf->handle = datapathps_env->shdl + DATAPATHPS_IDX_TX_VAL;
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// pack measured value in database
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report_ntf->length = length;
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memcpy(report_ntf->value, ptrData, length);
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// send notification to peer device
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ke_msg_send(report_ntf);
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}
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}
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__STATIC int send_data_via_notification_handler(
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ke_msg_id_t const msgid, struct ble_datapath_send_data_req_t const *param,
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ke_task_id_t const dest_id, ke_task_id_t const src_id) {
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send_notifiction(param->connecionIndex, param->value, param->length);
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return (KE_MSG_CONSUMED);
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}
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static void send_indication(uint8_t conidx, const uint8_t *ptrData,
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uint32_t length) {
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struct datapathps_env_tag *datapathps_env =
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PRF_ENV_GET(DATAPATHPS, datapathps);
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if (datapathps_env->isNotificationEnabled[conidx]) {
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// Allocate the GATT notification message
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struct gattc_send_evt_cmd *report_ntf =
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KE_MSG_ALLOC_DYN(GATTC_SEND_EVT_CMD, KE_BUILD_ID(TASK_GATTC, conidx),
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prf_src_task_get(&datapathps_env->prf_env, conidx),
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gattc_send_evt_cmd, length);
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// Fill in the parameter structure
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report_ntf->operation = GATTC_INDICATE;
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report_ntf->handle = datapathps_env->shdl + DATAPATHPS_IDX_TX_VAL;
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// pack measured value in database
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report_ntf->length = length;
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memcpy(report_ntf->value, ptrData, length);
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// send notification to peer device
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ke_msg_send(report_ntf);
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}
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}
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__STATIC int send_data_via_indication_handler(
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ke_msg_id_t const msgid, struct ble_datapath_send_data_req_t const *param,
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ke_task_id_t const dest_id, ke_task_id_t const src_id) {
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send_indication(param->connecionIndex, param->value, param->length);
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return (KE_MSG_CONSUMED);
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}
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__STATIC int send_data_via_write_command_handler(
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ke_msg_id_t const msgid, struct ble_datapath_send_data_req_t const *param,
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ke_task_id_t const dest_id, ke_task_id_t const src_id) {
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struct datapathps_env_tag *datapathps_env =
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PRF_ENV_GET(DATAPATHPS, datapathps);
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prf_gatt_write(&(datapathps_env->prf_env), KE_IDX_GET(dest_id),
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datapathps_env->shdl + DATAPATHPS_IDX_RX_VAL,
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(uint8_t *)¶m->value, param->length,
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GATTC_WRITE_NO_RESPONSE);
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ke_state_set(dest_id, DATAPATHPS_BUSY);
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return (KE_MSG_CONSUMED);
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}
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__STATIC int send_data_via_write_request_handler(
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ke_msg_id_t const msgid, struct ble_datapath_send_data_req_t const *param,
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ke_task_id_t const dest_id, ke_task_id_t const src_id) {
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struct datapathps_env_tag *datapathps_env =
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PRF_ENV_GET(DATAPATHPS, datapathps);
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prf_gatt_write(&(datapathps_env->prf_env), KE_IDX_GET(dest_id),
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datapathps_env->shdl + DATAPATHPS_IDX_RX_VAL,
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(uint8_t *)¶m->value, param->length, GATTC_WRITE);
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ke_state_set(dest_id, DATAPATHPS_BUSY);
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return (KE_MSG_CONSUMED);
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}
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__STATIC int gattc_event_ind_handler(ke_msg_id_t const msgid,
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struct gattc_event_ind const *param,
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ke_task_id_t const dest_id,
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ke_task_id_t const src_id) {
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uint8_t conidx = KE_IDX_GET(dest_id);
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// Get the address of the environment
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struct datapathps_env_tag *datapathps_env =
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PRF_ENV_GET(DATAPATHPS, datapathps);
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switch (param->type) {
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case GATTC_INDICATE: {
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// confirm that indication has been correctly received
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struct gattc_event_cfm *cfm =
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KE_MSG_ALLOC(GATTC_EVENT_CFM, src_id, dest_id, gattc_event_cfm);
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cfm->handle = param->handle;
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ke_msg_send(cfm);
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}
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/* no break */
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case GATTC_NOTIFY: {
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if (param->handle == datapathps_env->shdl + DATAPATHPS_IDX_TX_VAL) {
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// inform APP of data
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struct ble_datapath_rx_data_ind_t *ind =
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KE_MSG_ALLOC_DYN(DATAPATHPS_NOTIFICATION_RECEIVED,
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prf_dst_task_get(&datapathps_env->prf_env, conidx),
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prf_src_task_get(&datapathps_env->prf_env, conidx),
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ble_datapath_rx_data_ind_t, param->length);
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ind->length = param->length;
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memcpy((uint8_t *)(ind->data), &(param->value), param->length);
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ke_msg_send(ind);
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}
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} break;
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default:
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break;
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}
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return (KE_MSG_CONSUMED);
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}
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__STATIC int control_notification_handler(
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ke_msg_id_t const msgid,
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struct ble_datapath_control_notification_t const *param,
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ke_task_id_t const dest_id, ke_task_id_t const src_id) {
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struct datapathps_env_tag *datapathps_env =
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PRF_ENV_GET(DATAPATHPS, datapathps);
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uint16_t ccc_write_val = 0;
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if (param->isEnable) {
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ccc_write_val = 1;
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}
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prf_gatt_write(&(datapathps_env->prf_env), param->connecionIndex,
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datapathps_env->shdl + DATAPATHPS_IDX_TX_NTF_CFG,
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(uint8_t *)&ccc_write_val, sizeof(ccc_write_val), GATTC_WRITE);
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ke_state_set(dest_id, DATAPATHPS_BUSY);
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return (KE_MSG_CONSUMED);
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}
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/**
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****************************************************************************************
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* @brief Handles reception of the attribute info request message.
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*
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* @param[in] msgid Id of the message received (probably unused).
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* @param[in] param Pointer to the parameters of the message.
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* @param[in] dest_id ID of the receiving task instance (probably unused).
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* @param[in] src_id ID of the sending task instance.
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* @return If the message was consumed or not.
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****************************************************************************************
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*/
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static int gattc_att_info_req_ind_handler(ke_msg_id_t const msgid,
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struct gattc_att_info_req_ind *param,
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ke_task_id_t const dest_id,
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ke_task_id_t const src_id) {
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// Get the address of the environment
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struct gattc_att_info_cfm *cfm;
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// Send write response
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cfm = KE_MSG_ALLOC(GATTC_ATT_INFO_CFM, src_id, dest_id, gattc_att_info_cfm);
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cfm->handle = param->handle;
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struct datapathps_env_tag *datapathps_env =
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PRF_ENV_GET(DATAPATHPS, datapathps);
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// check if it's a client configuration char
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if (param->handle == datapathps_env->shdl + DATAPATHPS_IDX_TX_NTF_CFG) {
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// CCC attribute length = 2
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cfm->length = 2;
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cfm->status = GAP_ERR_NO_ERROR;
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} else if (param->handle == datapathps_env->shdl + DATAPATHPS_IDX_RX_VAL) {
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// force length to zero to reject any write starting from something != 0
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cfm->length = 0;
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cfm->status = GAP_ERR_NO_ERROR;
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}
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// not expected request
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else {
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cfm->length = 0;
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cfm->status = ATT_ERR_WRITE_NOT_PERMITTED;
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}
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ke_msg_send(cfm);
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return (KE_MSG_CONSUMED);
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}
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/*
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* GLOBAL VARIABLE DEFINITIONS
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****************************************************************************************
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*/
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/* Default State handlers definition. */
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KE_MSG_HANDLER_TAB(datapathps){
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{GAPC_DISCONNECT_IND, (ke_msg_func_t)gapc_disconnect_ind_handler},
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{GATTC_WRITE_REQ_IND, (ke_msg_func_t)gattc_write_req_ind_handler},
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{GATTC_CMP_EVT, (ke_msg_func_t)gattc_cmp_evt_handler},
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{GATTC_READ_REQ_IND, (ke_msg_func_t)gattc_read_req_ind_handler},
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{DATAPATHPS_SEND_DATA_VIA_NOTIFICATION,
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(ke_msg_func_t)send_data_via_notification_handler},
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{DATAPATHPS_SEND_DATA_VIA_INDICATION,
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(ke_msg_func_t)send_data_via_indication_handler},
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{DATAPATHPS_SEND_DATA_VIA_WRITE_COMMAND,
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(ke_msg_func_t)send_data_via_write_command_handler},
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{DATAPATHPS_SEND_DATA_VIA_WRITE_REQUEST,
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(ke_msg_func_t)send_data_via_write_request_handler},
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{GATTC_EVENT_IND, (ke_msg_func_t)gattc_event_ind_handler},
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{DATAPATHPS_CONTROL_NOTIFICATION,
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(ke_msg_func_t)control_notification_handler},
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{GATTC_ATT_INFO_REQ_IND, (ke_msg_func_t)gattc_att_info_req_ind_handler},
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};
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void datapathps_task_init(struct ke_task_desc *task_desc) {
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// Get the address of the environment
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struct datapathps_env_tag *datapathps_env =
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PRF_ENV_GET(DATAPATHPS, datapathps);
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task_desc->msg_handler_tab = datapathps_msg_handler_tab;
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task_desc->msg_cnt = ARRAY_LEN(datapathps_msg_handler_tab);
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task_desc->state = &(datapathps_env->state);
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task_desc->idx_max = BLE_CONNECTION_MAX;
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}
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#endif /* #if (BLE_DATAPATH_SERVER) */
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/// @} DATAPATHPSTASK
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