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pinebuds/services/ble_profiles/hogp/hogprh/src/hogprh_task.c

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2022-08-15 04:20:27 -05:00
/**
****************************************************************************************
* @addtogroup HOGPRHTASK
* @{
****************************************************************************************
*/
/*
* INCLUDE FILES
****************************************************************************************
*/
#include "rwip_config.h"
#if (BLE_HID_REPORT_HOST)
#include "gap.h"
#include "attm.h"
#include "hogprh_task.h"
#include "hogprh.h"
#include "gattc_task.h"
#include "gattc.h"
#include "hogp_common.h"
#include "ke_mem.h"
#include "co_utils.h"
#include "co_math.h"
/*
* LOCAL VARIABLES DEFINITION
****************************************************************************************
*/
/// State machine used to retrieve HID Service characteristics information
const struct prf_char_def hogprh_hids_char[HOGPRH_CHAR_REPORT + 1] =
{
/// Report Map
[HOGPRH_CHAR_REPORT_MAP] = {ATT_CHAR_REPORT_MAP, ATT_MANDATORY, ATT_CHAR_PROP_RD},
/// HID Information
[HOGPRH_CHAR_HID_INFO] = {ATT_CHAR_HID_INFO, ATT_MANDATORY, ATT_CHAR_PROP_RD},
/// HID Control Point
[HOGPRH_CHAR_HID_CTNL_PT] = {ATT_CHAR_HID_CTNL_PT, ATT_MANDATORY, ATT_CHAR_PROP_WR_NO_RESP},
/// Protocol Mode
[HOGPRH_CHAR_PROTOCOL_MODE] = {ATT_CHAR_PROTOCOL_MODE, ATT_OPTIONAL, (ATT_CHAR_PROP_RD | ATT_CHAR_PROP_WR_NO_RESP)},
/// Report
[HOGPRH_CHAR_REPORT] = {ATT_CHAR_REPORT, ATT_MANDATORY, ATT_CHAR_PROP_RD},
};
/*
* GLOBAL FUNCTIONS DEFINITIONS
****************************************************************************************
*/
/**
****************************************************************************************
* @brief Handles reception of the @ref HOGPRH_ENABLE_REQ message.
* The handler enables the HID Over GATT Profile Boot Host 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 hogprh_enable_req_handler(ke_msg_id_t const msgid,
struct hogprh_enable_req const *param,
ke_task_id_t const dest_id,
ke_task_id_t const src_id)
{
// Status
uint8_t status = GAP_ERR_NO_ERROR;
int msg_status = KE_MSG_CONSUMED;
uint8_t state = ke_state_get(dest_id);
uint8_t conidx = KE_IDX_GET(dest_id);
// Battery service Client Role Task Environment
struct hogprh_env_tag *hogprh_env = PRF_ENV_GET(HOGPRH, hogprh);
ASSERT_INFO(hogprh_env != NULL, dest_id, src_id);
if((state == HOGPRH_IDLE) && (hogprh_env->env[conidx] == NULL))
{
// allocate environment variable for task instance
hogprh_env->env[conidx] = (struct hogprh_cnx_env*) ke_malloc(sizeof(struct hogprh_cnx_env),KE_MEM_ATT_DB);
memset(hogprh_env->env[conidx], 0, sizeof(struct hogprh_cnx_env));
//Config connection, start discovering
if(param->con_type == PRF_CON_DISCOVERY)
{
//start discovering HID on peer
prf_disc_svc_send(&(hogprh_env->prf_env), conidx, ATT_SVC_HID);
// Go to DISCOVERING state
ke_state_set(dest_id, HOGPRH_BUSY);
hogprh_env->env[conidx]->operation = ke_param2msg(param);
msg_status = KE_MSG_NO_FREE;
}
//normal connection, get saved att details
else
{
hogprh_env->env[conidx]->hids_nb = param->hids_nb;
memcpy(&(hogprh_env->env[conidx]->hids[0]), &(param->hids[0]), sizeof(struct hogprh_content) * HOGPRH_NB_HIDS_INST_MAX);
//send APP confirmation that can start normal connection to TH
hogprh_enable_rsp_send(hogprh_env, conidx, GAP_ERR_NO_ERROR);
}
}
else if(state != HOGPRH_FREE)
{
status = PRF_ERR_REQ_DISALLOWED;
}
// send an error if request fails
if(status != GAP_ERR_NO_ERROR)
{
hogprh_enable_rsp_send(hogprh_env, conidx, status);
}
return (msg_status);
}
/**
****************************************************************************************
* @brief Handles reception of the @ref GATTC_SDP_SVC_IND_HANDLER message.
* The handler stores the found service details for service discovery.
* @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_sdp_svc_ind_handler(ke_msg_id_t const msgid,
struct gattc_sdp_svc_ind const *ind,
ke_task_id_t const dest_id,
ke_task_id_t const src_id)
{
uint8_t state = ke_state_get(dest_id);
if(state == HOGPRH_BUSY)
{
uint8_t conidx = KE_IDX_GET(dest_id);
// Get the address of the environment
struct hogprh_env_tag *hogprh_env = PRF_ENV_GET(HOGPRH, hogprh);
ASSERT_INFO(hogprh_env != NULL, dest_id, src_id);
ASSERT_INFO(hogprh_env->env[conidx] != NULL, dest_id, src_id);
if(hogprh_env->env[conidx]->hids_nb < HOGPRH_NB_HIDS_INST_MAX)
{
uint8_t i;
struct prf_char_def hids_char[HOGPRH_CHAR_MAX];
struct prf_char_desc_def hids_char_desc[HOGPRH_DESC_MAX];
uint8_t hid_idx = hogprh_env->env[conidx]->hids_nb;
uint8_t fnd_att;
// 1. Create characteristic reference
memcpy(hids_char, hogprh_hids_char, sizeof(struct prf_char_def) * HOGPRH_CHAR_REPORT);
for(i = HOGPRH_CHAR_REPORT ; i < HOGPRH_CHAR_MAX ; i++)
{
hids_char[i] = hogprh_hids_char[HOGPRH_CHAR_REPORT];
}
// 2. create descriptor reference
// Report Map Char. External Report Reference Descriptor
hids_char_desc[HOGPRH_DESC_REPORT_MAP_EXT_REP_REF].char_code = HOGPRH_CHAR_REPORT_MAP;
hids_char_desc[HOGPRH_DESC_REPORT_MAP_EXT_REP_REF].req_flag = ATT_OPTIONAL;
hids_char_desc[HOGPRH_DESC_REPORT_MAP_EXT_REP_REF].uuid = ATT_DESC_EXT_REPORT_REF;
for(i = 0 ; i < HOGPRH_NB_REPORT_INST_MAX ; i++)
{
// Report Char. Report Reference
hids_char_desc[HOGPRH_DESC_REPORT_REF + i].char_code = HOGPRH_CHAR_REPORT + i;
hids_char_desc[HOGPRH_DESC_REPORT_REF + i].req_flag = ATT_OPTIONAL;
hids_char_desc[HOGPRH_DESC_REPORT_REF + i].uuid = ATT_DESC_REPORT_REF;
// Report Client Config
hids_char_desc[HOGPRH_DESC_REPORT_CFG + i].char_code = HOGPRH_CHAR_REPORT + i;
hids_char_desc[HOGPRH_DESC_REPORT_CFG + i].req_flag = ATT_OPTIONAL;
hids_char_desc[HOGPRH_DESC_REPORT_CFG + i].uuid = ATT_DESC_CLIENT_CHAR_CFG;
}
// 3. Retrieve HID characteristics
prf_extract_svc_info(ind, HOGPRH_CHAR_MAX, &hids_char[0],
&(hogprh_env->env[conidx]->hids[hid_idx].chars[0]),
HOGPRH_DESC_MAX, &hids_char_desc[0],
&(hogprh_env->env[conidx]->hids[hid_idx].descs[0]));
// 4. Store service range
hogprh_env->env[conidx]->hids[hid_idx].svc.shdl = ind->start_hdl;
hogprh_env->env[conidx]->hids[hid_idx].svc.ehdl = ind->end_hdl;
// 5. Search for an included service
for (fnd_att=0; fnd_att< (ind->end_hdl - ind->start_hdl); fnd_att++)
{
if(ind->info[fnd_att].att_type == GATTC_SDP_INC_SVC)
{
hogprh_env->env[conidx]->hids[hid_idx].incl_svc.handle = ind->start_hdl + fnd_att + 1;
hogprh_env->env[conidx]->hids[hid_idx].incl_svc.start_hdl = ind->info[fnd_att].inc_svc.start_hdl;
hogprh_env->env[conidx]->hids[hid_idx].incl_svc.end_hdl = ind->info[fnd_att].inc_svc.end_hdl;
hogprh_env->env[conidx]->hids[hid_idx].incl_svc.uuid_len = ind->info[fnd_att].inc_svc.uuid_len;
memcpy(hogprh_env->env[conidx]->hids[hid_idx].incl_svc.uuid, ind->info[fnd_att].inc_svc.uuid,
ind->info[fnd_att].inc_svc.uuid_len);
}
if((ind->info[fnd_att].att_type == GATTC_SDP_ATT_VAL)
&& (attm_uuid16_comp((uint8_t*)ind->info[fnd_att].att.uuid, ind->info[fnd_att].att.uuid_len, ATT_CHAR_REPORT)))
{
hogprh_env->env[conidx]->hids[hid_idx].report_nb++;
}
}
hogprh_env->env[conidx]->hids_nb++;
}
}
return (KE_MSG_CONSUMED);
}
/**
****************************************************************************************
* @brief Handles reception of the @ref HOGPRH_READ_INFO_REQ message.
* @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 hogprh_read_info_req_handler(ke_msg_id_t const msgid, struct hogprh_read_info_req const *param,
ke_task_id_t const dest_id, ke_task_id_t const src_id)
{
int msg_status = KE_MSG_CONSUMED;
uint8_t state = ke_state_get(dest_id);
uint8_t status = PRF_ERR_REQ_DISALLOWED;
if(state == HOGPRH_IDLE)
{
uint8_t conidx = KE_IDX_GET(dest_id);
// Get the address of the environment
struct hogprh_env_tag *hogprh_env = PRF_ENV_GET(HOGPRH, hogprh);
ASSERT_INFO(hogprh_env != NULL, dest_id, src_id);
// environment variable not ready
if(hogprh_env->env[conidx] == NULL)
{
status = PRF_APP_ERROR;
}
// check parameter range
else if((param->hid_idx > hogprh_env->env[conidx]->hids_nb) || (param->report_idx >= HOGPRH_NB_REPORT_INST_MAX))
{
status = PRF_ERR_INVALID_PARAM;
}
else
{
uint16_t handle = ATT_INVALID_HANDLE;
status = PRF_ERR_INEXISTENT_HDL;
// check requested info
switch(param->info)
{
/// Protocol Mode
case HOGPRH_PROTO_MODE:
{
handle = hogprh_env->env[conidx]->hids[param->hid_idx].chars[HOGPRH_CHAR_PROTOCOL_MODE].val_hdl;
}break;
/// Report Map
case HOGPRH_REPORT_MAP:
{
handle = hogprh_env->env[conidx]->hids[param->hid_idx].chars[HOGPRH_CHAR_REPORT_MAP].val_hdl;
}break;
/// Report Map Char. External Report Reference Descriptor
case HOGPRH_REPORT_MAP_EXT_REP_REF:
{
handle = hogprh_env->env[conidx]->hids[param->hid_idx].descs[HOGPRH_DESC_REPORT_MAP_EXT_REP_REF].desc_hdl;
}break;
/// HID Information
case HOGPRH_HID_INFO:
{
handle = hogprh_env->env[conidx]->hids[param->hid_idx].chars[HOGPRH_CHAR_HID_INFO].val_hdl;
}break;
/// Report
case HOGPRH_REPORT:
{
handle = hogprh_env->env[conidx]->hids[param->hid_idx].chars[HOGPRH_CHAR_REPORT + param->report_idx].val_hdl;
}break;
/// Report Char. Report Reference
case HOGPRH_REPORT_REF:
{
handle = hogprh_env->env[conidx]->hids[param->hid_idx].descs[HOGPRH_DESC_REPORT_REF + param->report_idx].desc_hdl;
}break;
/// Report Notification config
case HOGPRH_REPORT_NTF_CFG:
{
handle = hogprh_env->env[conidx]->hids[param->hid_idx].descs[HOGPRH_DESC_REPORT_CFG + param->report_idx].desc_hdl;
}break;
default:
{
status = PRF_ERR_INVALID_PARAM;
}break;
}
if(handle != ATT_INVALID_HANDLE)
{
status = GAP_ERR_NO_ERROR;
// read information
prf_read_char_send(&(hogprh_env->prf_env), conidx,
hogprh_env->env[conidx]->hids[param->hid_idx].svc.shdl,
hogprh_env->env[conidx]->hids[param->hid_idx].svc.ehdl, handle);
// store context of request and go into busy state
hogprh_env->env[conidx]->operation = ke_param2msg(param);
ke_state_set(dest_id, HOGPRH_BUSY);
msg_status = KE_MSG_NO_FREE;
}
}
}
// process message later
else if (state == HOGPRH_BUSY)
{
status = GAP_ERR_NO_ERROR;
msg_status = KE_MSG_SAVED;
}
// request cannot be performed
if(status != GAP_ERR_NO_ERROR)
{
struct hogprh_read_info_rsp * rsp = KE_MSG_ALLOC(HOGPRH_READ_INFO_RSP,
src_id, dest_id, hogprh_read_info_rsp);
// set error status
rsp->status = status;
rsp->info = param->info;
rsp->hid_idx = param->hid_idx;
ke_msg_send(rsp);
}
return (msg_status);
}
/**
****************************************************************************************
* @brief Handles reception of the @ref HOGPRH_WRITE_REQ message.
* @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 hogprh_write_req_handler(ke_msg_id_t const msgid, struct hogprh_write_req *param,
ke_task_id_t const dest_id, ke_task_id_t const src_id)
{
int msg_status = KE_MSG_CONSUMED;
uint8_t state = ke_state_get(dest_id);
uint8_t status = PRF_ERR_REQ_DISALLOWED;
if(state == HOGPRH_IDLE)
{
uint8_t conidx = KE_IDX_GET(dest_id);
// Get the address of the environment
struct hogprh_env_tag *hogprh_env = PRF_ENV_GET(HOGPRH, hogprh);
ASSERT_INFO(hogprh_env != NULL, dest_id, src_id);
// environment variable not ready
if(hogprh_env->env[conidx] == NULL)
{
status = PRF_APP_ERROR;
}
// check parameter range
else if((param->hid_idx > hogprh_env->env[conidx]->hids_nb) || (param->report_idx >= HOGPRH_NB_REPORT_INST_MAX)
|| (param->info > HOGPRH_INFO_MAX)
|| ((param->info == HOGPRH_REPORT_NTF_CFG) && (param->data.report_cfg > PRF_CLI_START_NTF)))
{
status = PRF_ERR_INVALID_PARAM;
}
else
{
uint16_t handle = ATT_INVALID_HANDLE;
status = PRF_ERR_INEXISTENT_HDL;
// check requested info
switch(param->info)
{
// Protocol Mode
case HOGPRH_PROTO_MODE:
{
handle = hogprh_env->env[conidx]->hids[param->hid_idx].chars[HOGPRH_CHAR_PROTOCOL_MODE].val_hdl;
prf_gatt_write(&hogprh_env->prf_env, conidx, handle, (uint8_t*)&param->data.proto_mode, 1, GATTC_WRITE_NO_RESPONSE);
}break;
// HID Control Point
case HOGPRH_HID_CTNL_PT:
{
handle = hogprh_env->env[conidx]->hids[param->hid_idx].chars[HOGPRH_CHAR_HID_CTNL_PT].val_hdl;
prf_gatt_write(&hogprh_env->prf_env, conidx, handle, (uint8_t*)&param->data.hid_ctnl_pt, 1, GATTC_WRITE_NO_RESPONSE);
}break;
// Report Char. Report Reference
case HOGPRH_REPORT:
{
// Get MTU to select between GATT_WRITE_LONG_CHAR and GATT_WRITE_CHAR
if (param->data.report.length > (gattc_get_mtu(conidx) - 3))
{
param->wr_cmd = false;
}
handle = hogprh_env->env[conidx]->hids[param->hid_idx].chars[HOGPRH_CHAR_REPORT + param->report_idx].val_hdl;
prf_gatt_write(&hogprh_env->prf_env, conidx, handle, (uint8_t*)param->data.report.value ,
param->data.report.length, (param->wr_cmd ? GATTC_WRITE_NO_RESPONSE : GATTC_WRITE));
}break;
// Report Notification config
case HOGPRH_REPORT_NTF_CFG:
{
handle = hogprh_env->env[conidx]->hids[param->hid_idx].descs[HOGPRH_DESC_REPORT_CFG + param->report_idx].desc_hdl;
prf_gatt_write_ntf_ind(&hogprh_env->prf_env, conidx, handle, param->data.report_cfg);
}break;
default:
{
status = PRF_ERR_INVALID_PARAM;
}break;
}
if(handle != ATT_INVALID_HANDLE)
{
status = GAP_ERR_NO_ERROR;
// store context of request and go into busy state
hogprh_env->env[conidx]->operation = ke_param2msg(param);
ke_state_set(dest_id, HOGPRH_BUSY);
msg_status = KE_MSG_NO_FREE;
}
}
}
// process message later
else if (state == HOGPRH_BUSY)
{
status = GAP_ERR_NO_ERROR;
msg_status = KE_MSG_SAVED;
}
// request cannot be performed
if(status != GAP_ERR_NO_ERROR)
{
struct hogprh_write_rsp * rsp = KE_MSG_ALLOC(HOGPRH_WRITE_RSP,
src_id, dest_id, hogprh_write_rsp);
// set error status
rsp->status = status;
rsp->info = param->info;
rsp->hid_idx = param->hid_idx;
ke_msg_send(rsp);
}
return (msg_status);
}
/**
****************************************************************************************
* @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);
uint8_t conidx = KE_IDX_GET(dest_id);
// Get the address of the environment
struct hogprh_env_tag *hogprh_env = PRF_ENV_GET(HOGPRH, hogprh);
// sanity check
if((state == HOGPRH_BUSY) && (hogprh_env->env[conidx] != NULL)
&& (hogprh_env->env[conidx]->operation != NULL))
{
switch(hogprh_env->env[conidx]->operation->id)
{
case HOGPRH_ENABLE_REQ:
{
uint8_t status = param->status;
if (param->status == ATT_ERR_NO_ERROR)
{
// check characteristic validity
if(hogprh_env->env[conidx]->hids_nb > 0)
{
uint8_t report_idx;
uint8_t hid_idx;
for (hid_idx = 0 ; (hid_idx < co_min(hogprh_env->env[conidx]->hids_nb, HOGPRH_NB_HIDS_INST_MAX))
&& (status == GAP_ERR_NO_ERROR) ; hid_idx++)
{
struct prf_char_def hids_char[HOGPRH_CHAR_MAX];
struct prf_char_desc_def hids_char_desc[HOGPRH_DESC_MAX];
// 1. Create characteristic reference
memcpy(hids_char, hogprh_hids_char, sizeof(struct prf_char_def) * HOGPRH_CHAR_REPORT);
for(report_idx = HOGPRH_CHAR_REPORT ; report_idx < HOGPRH_CHAR_MAX ; report_idx++)
{
hids_char[report_idx] = hogprh_hids_char[HOGPRH_CHAR_REPORT];
hids_char[report_idx].req_flag = ATT_OPTIONAL;
}
// 2. create descriptor reference
// Report Map Char. External Report Reference Descriptor
hids_char_desc[HOGPRH_DESC_REPORT_MAP_EXT_REP_REF].char_code = HOGPRH_CHAR_REPORT_MAP;
hids_char_desc[HOGPRH_DESC_REPORT_MAP_EXT_REP_REF].req_flag = ATT_OPTIONAL;
hids_char_desc[HOGPRH_DESC_REPORT_MAP_EXT_REP_REF].uuid = ATT_DESC_EXT_REPORT_REF;
for(report_idx = 0 ; report_idx < HOGPRH_NB_REPORT_INST_MAX ; report_idx++)
{
// Report Char. Report Reference
hids_char_desc[HOGPRH_DESC_REPORT_REF + report_idx].char_code = HOGPRH_CHAR_REPORT + report_idx;
hids_char_desc[HOGPRH_DESC_REPORT_REF + report_idx].req_flag = ATT_OPTIONAL;
hids_char_desc[HOGPRH_DESC_REPORT_REF + report_idx].uuid = ATT_DESC_REPORT_REF;
// Report Client Config
hids_char_desc[HOGPRH_DESC_REPORT_CFG + report_idx].char_code = HOGPRH_CHAR_REPORT + report_idx;
hids_char_desc[HOGPRH_DESC_REPORT_CFG + report_idx].req_flag = ATT_OPTIONAL;
hids_char_desc[HOGPRH_DESC_REPORT_CFG + report_idx].uuid = ATT_DESC_CLIENT_CHAR_CFG;
}
// 3. Check Characteristic validity
status = prf_check_svc_char_validity(HOGPRH_CHAR_MAX, hogprh_env->env[conidx]->hids[hid_idx].chars,
hids_char);
// 4. check descriptor validity
if(status == GAP_ERR_NO_ERROR)
{
status = prf_check_svc_char_desc_validity(HOGPRH_DESC_MAX,
hogprh_env->env[conidx]->hids[hid_idx].descs, hids_char_desc,
hogprh_env->env[conidx]->hids[hid_idx].chars);
}
}
}
// no services found
else
{
status = PRF_ERR_STOP_DISC_CHAR_MISSING;
}
}
hogprh_enable_rsp_send(hogprh_env, conidx, status);
}break;
case HOGPRH_READ_INFO_REQ:
{
// do not send anything if it's a local request
if(hogprh_env->env[conidx]->operation->src_id != dest_id)
{
struct hogprh_read_info_req* req = (struct hogprh_read_info_req*) ke_msg2param(hogprh_env->env[conidx]->operation);
struct hogprh_read_info_rsp * rsp = KE_MSG_ALLOC(HOGPRH_READ_INFO_RSP,
prf_dst_task_get(&(hogprh_env->prf_env), conidx), dest_id, hogprh_read_info_rsp);
// set error status
rsp->status = param->status;
rsp->hid_idx = req->hid_idx;
rsp->info = req->info;
rsp->report_idx = req->report_idx;
ke_msg_send(rsp);
}
}break;
case HOGPRH_WRITE_REQ:
{
struct hogprh_write_req* req = (struct hogprh_write_req*) ke_msg2param(hogprh_env->env[conidx]->operation);
struct hogprh_write_rsp * rsp = KE_MSG_ALLOC(HOGPRH_WRITE_RSP,
prf_dst_task_get(&(hogprh_env->prf_env), conidx), dest_id, hogprh_write_rsp);
// set error status
rsp->status = param->status;
rsp->hid_idx = req->hid_idx;
rsp->info = req->info;
rsp->report_idx = req->report_idx;
ke_msg_send(rsp);
}break;
default:
{
// Not Expected at all
ASSERT_ERR(0);
}break;
}
// operation is over - go back to idle state
ke_free(hogprh_env->env[conidx]->operation);
hogprh_env->env[conidx]->operation = NULL;
ke_state_set(dest_id, HOGPRH_IDLE);
}
return (KE_MSG_CONSUMED);
}
/**
****************************************************************************************
* @brief Handles reception of the @ref GATTC_READ_IND message.
* Generic event received after every simple read command sent to peer server.
* @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_read_ind_handler(ke_msg_id_t const msgid,
struct gattc_read_ind const *param,
ke_task_id_t const dest_id,
ke_task_id_t const src_id)
{
uint8_t state = ke_state_get(dest_id);
if(state == HOGPRH_BUSY)
{
uint8_t conidx = KE_IDX_GET(dest_id);
struct hogprh_env_tag *hogprh_env = PRF_ENV_GET(HOGPRH, hogprh);
struct hogprh_read_info_req* req = (struct hogprh_read_info_req*) ke_msg2param(hogprh_env->env[conidx]->operation);
ASSERT_INFO(hogprh_env != NULL, dest_id, src_id);
ASSERT_INFO(hogprh_env->env[conidx] != NULL, dest_id, src_id);
// check if read is requested locally due to a received notification or b
if(hogprh_env->env[conidx]->operation->src_id == dest_id)
{
// send report indication
struct hogprh_report_ind* ind = KE_MSG_ALLOC_DYN(HOGPRH_REPORT_IND,
prf_dst_task_get(&(hogprh_env->prf_env), conidx), dest_id,
hogprh_report_ind, param->length);
ind->hid_idx = req->hid_idx;
ind->report_idx = req->report_idx;
ind->report.length = param->length;
memcpy(ind->report.value, param->value, param->length);
ke_msg_send(ind);
}
// or by the HID Client application
else
{
struct hogprh_read_info_rsp * rsp = KE_MSG_ALLOC_DYN(HOGPRH_READ_INFO_RSP,
prf_dst_task_get(&(hogprh_env->prf_env),conidx), dest_id, hogprh_read_info_rsp, param->length);
// set error status
rsp->status = GAP_ERR_NO_ERROR;
rsp->hid_idx = req->hid_idx;
rsp->info = req->info;
rsp->report_idx = req->report_idx;
switch(req->info)
{
/// Protocol Mode
case HOGPRH_PROTO_MODE:
{
rsp->data.proto_mode = param->value[0];
}break;
/// Report Map
case HOGPRH_REPORT_MAP:
{
rsp->data.report_map.length = param->length;
memcpy(rsp->data.report_map.value, param->value, param->length);
}break;
/// Report Map Char. External Report Reference Descriptor
case HOGPRH_REPORT_MAP_EXT_REP_REF:
{
rsp->data.report_map_ref.uuid_len = param->length;
memcpy(rsp->data.report_map_ref.uuid, param->value, co_min(param->length, ATT_UUID_128_LEN));
}break;
/// HID Information
case HOGPRH_HID_INFO:
{
rsp->data.hid_info.bcdHID = co_read16p(param->value);
rsp->data.hid_info.bCountryCode = param->value[2];
rsp->data.hid_info.flags = param->value[3];
}break;
/// Report
case HOGPRH_REPORT:
{
rsp->data.report.length = param->length;
memcpy(rsp->data.report.value, param->value, param->length);
}break;
/// Report Char. Report Reference
case HOGPRH_REPORT_REF:
{
rsp->data.report_ref.id = param->value[0];
rsp->data.report_ref.type = param->value[1];
}break;
/// Report Notification config
case HOGPRH_REPORT_NTF_CFG:
{
rsp->data.report_cfg = co_read16p(param->value);
}break;
default:
{
ASSERT_ERR(0);
}break;
}
// send response
ke_msg_send(rsp);
}
// operation is over - go back to idle state
ke_free(hogprh_env->env[conidx]->operation);
hogprh_env->env[conidx]->operation = NULL;
ke_state_set(dest_id, HOGPRH_IDLE);
}
return (KE_MSG_CONSUMED);
}
/**
****************************************************************************************
* @brief Handles reception of the @ref GATTC_EVENT_IND message.
* @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_event_ind_handler(ke_msg_id_t const msgid,
struct gattc_event_ind const *param,
ke_task_id_t const dest_id,
ke_task_id_t const src_id)
{
uint8_t state = ke_state_get(dest_id);
if(state != HOGPRH_FREE)
{
// HID Instance
uint8_t hid_nb;
uint8_t report_idx;
uint8_t conidx = KE_IDX_GET(src_id);
bool finished = false;
// Get the address of the environment
struct hogprh_env_tag *hogprh_env = PRF_ENV_GET(HOGPRH, hogprh);
// BOOT Report - HID instance is unknown.
for (hid_nb = 0; (hid_nb < hogprh_env->env[conidx]->hids_nb) && !finished; hid_nb++)
{
for (report_idx = 0; (report_idx < HOGPRH_NB_REPORT_INST_MAX) && !finished; report_idx++)
{
if (param->handle == hogprh_env->env[conidx]->hids[hid_nb].chars[HOGPRH_CHAR_REPORT + report_idx].val_hdl)
{
// Check if size of the data is lower than [ATT_MTU-3]
if (param->length < (gattc_get_mtu(conidx) - 3))
{
// send report indication
struct hogprh_report_ind* ind = KE_MSG_ALLOC_DYN(HOGPRH_REPORT_IND,
prf_dst_task_get(&(hogprh_env->prf_env), conidx), dest_id,
hogprh_report_ind, param->length);
ind->hid_idx = hid_nb;
ind->report_idx = report_idx;
ind->report.length = param->length;
memcpy(ind->report.value, param->value, param->length);
ke_msg_send(ind);
}
else
{
// data is maybe incomplete so perform an attribute read
struct hogprh_read_info_req* req = KE_MSG_ALLOC(HOGPRH_READ_INFO_REQ,
dest_id, dest_id, hogprh_read_info_req);
req->info = HOGPRH_REPORT;
req->hid_idx = hid_nb;
req->report_idx = report_idx;
ke_msg_send(req);
}
finished = true;
}
}
}
}
return (KE_MSG_CONSUMED);
}
/*
* GLOBAL VARIABLE DEFINITIONS
****************************************************************************************
*/
/// Default State handlers definition
KE_MSG_HANDLER_TAB(hogprh)
{
{HOGPRH_ENABLE_REQ, (ke_msg_func_t)hogprh_enable_req_handler},
{GATTC_SDP_SVC_IND, (ke_msg_func_t)gattc_sdp_svc_ind_handler},
{HOGPRH_READ_INFO_REQ, (ke_msg_func_t)hogprh_read_info_req_handler},
{HOGPRH_WRITE_REQ, (ke_msg_func_t)hogprh_write_req_handler},
{GATTC_READ_IND, (ke_msg_func_t)gattc_read_ind_handler},
{GATTC_EVENT_IND, (ke_msg_func_t)gattc_event_ind_handler},
{GATTC_CMP_EVT, (ke_msg_func_t)gattc_cmp_evt_handler},
};
void hogprh_task_init(struct ke_task_desc *task_desc)
{
// Get the address of the environment
struct hogprh_env_tag *hogprh_env = PRF_ENV_GET(HOGPRH, hogprh);
task_desc->msg_handler_tab = hogprh_msg_handler_tab;
task_desc->msg_cnt = ARRAY_LEN(hogprh_msg_handler_tab);
task_desc->state = hogprh_env->state;
task_desc->idx_max = HOGPRH_IDX_MAX;
}
#endif /* (BLE_HID_REPORT_HOST) */
/// @} HOGPRHTASK
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