pinebuds/services/ble_profiles/bas/bass/src/bass_task.c

391 lines
13 KiB
C

/**
****************************************************************************************
* @addtogroup BASSTASK
* @{
****************************************************************************************
*/
/*
* INCLUDE FILES
****************************************************************************************
*/
#include "rwip_config.h"
#if (BLE_BATT_SERVER)
#include "gap.h"
#include "gattc_task.h"
#include "bass.h"
#include "bass_task.h"
#include "prf_utils.h"
#include "co_utils.h"
/*
* GLOBAL FUNCTIONS DEFINITIONS
****************************************************************************************
*/
/**
****************************************************************************************
* @brief Handles reception of the @ref BAPS_ENABLE_REQ message.
* The handler enables the Battery 'Profile' Server 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 bass_enable_req_handler(ke_msg_id_t const msgid,
struct bass_enable_req const *param,
ke_task_id_t const dest_id,
ke_task_id_t const src_id)
{
int msg_status = KE_MSG_SAVED;
uint8_t state = ke_state_get(dest_id);
// check state of the task
if(state == BASS_IDLE)
{
struct bass_env_tag* bass_env = PRF_ENV_GET(BASS, bass);
// Check provided values
if((param->conidx > BLE_CONNECTION_MAX)
|| (gapc_get_conhdl(param->conidx) == GAP_INVALID_CONHDL))
{
// an error occurs, trigg it.
struct bass_enable_rsp* rsp = KE_MSG_ALLOC(BASS_ENABLE_RSP, src_id,
dest_id, bass_enable_rsp);
rsp->conidx = param->conidx;
rsp->status = (param->conidx > BLE_CONNECTION_MAX) ? GAP_ERR_INVALID_PARAM : PRF_ERR_REQ_DISALLOWED;
ke_msg_send(rsp);
msg_status = KE_MSG_CONSUMED;
}
else
{
// put task in a busy state
msg_status = KE_MSG_NO_FREE;
ke_state_set(dest_id, BASS_BUSY);
bass_env->ntf_cfg[param->conidx] = param->ntf_cfg;
bass_env->operation = ke_param2msg(param);
bass_env->cursor = 0;
// trigger notification
bass_exe_operation();
}
}
return msg_status;
}
/**
****************************************************************************************
* @brief Handles reception of the @ref BAPS_BATT_LEVEL_SEND_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 bass_batt_level_upd_req_handler(ke_msg_id_t const msgid,
struct bass_batt_level_upd_req const *param,
ke_task_id_t const dest_id,
ke_task_id_t const src_id)
{
int msg_status = KE_MSG_SAVED;
uint8_t state = ke_state_get(dest_id);
// check state of the task
if(state == BASS_IDLE)
{
struct bass_env_tag* bass_env = PRF_ENV_GET(BASS, bass);
// Check provided values
if((param->bas_instance < bass_env->svc_nb) && (param->batt_level <= BAS_BATTERY_LVL_MAX))
{
// update the battery level value
bass_env->batt_lvl[param->bas_instance] = param->batt_level;
// put task in a busy state
msg_status = KE_MSG_NO_FREE;
ke_state_set(dest_id, BASS_BUSY);
bass_env->operation = ke_param2msg(param);
bass_env->cursor = 0;
// trigger notification
bass_exe_operation();
}
else
{
// an error occurs, trigg it.
struct bass_batt_level_upd_rsp * rsp = KE_MSG_ALLOC(BASS_BATT_LEVEL_UPD_RSP, src_id,
dest_id, bass_batt_level_upd_rsp);
rsp->status = PRF_ERR_INVALID_PARAM;
ke_msg_send(rsp);
msg_status = KE_MSG_CONSUMED;
}
}
return (msg_status);
}
/**
****************************************************************************************
* @brief Handles reception of the attribute info request 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_att_info_req_ind_handler(ke_msg_id_t const msgid,
struct gattc_att_info_req_ind *param,
ke_task_id_t const dest_id,
ke_task_id_t const src_id)
{
struct gattc_att_info_cfm * cfm;
uint8_t svc_idx = 0, att_idx = 0;
// retrieve handle information
uint8_t status = bass_get_att_idx(param->handle, &svc_idx, &att_idx);
//Send write response
cfm = KE_MSG_ALLOC(GATTC_ATT_INFO_CFM, src_id, dest_id, gattc_att_info_cfm);
cfm->handle = param->handle;
if(status == GAP_ERR_NO_ERROR)
{
// check if it's a client configuration char
if(att_idx == BAS_IDX_BATT_LVL_NTF_CFG)
{
// CCC attribute length = 2
cfm->length = 2;
}
// not expected request
else
{
cfm->length = 0;
status = ATT_ERR_WRITE_NOT_PERMITTED;
}
}
cfm->status = status;
ke_msg_send(cfm);
return (KE_MSG_CONSUMED);
}
/**
****************************************************************************************
* @brief Handles reception of the @ref GATTC_WRITE_REQ_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_write_req_ind_handler(ke_msg_id_t const msgid, struct gattc_write_req_ind const *param,
ke_task_id_t const dest_id, ke_task_id_t const src_id)
{
struct gattc_write_cfm * cfm;
uint8_t svc_idx = 0, att_idx = 0;
uint8_t conidx = KE_IDX_GET(src_id);
// retrieve handle information
uint8_t status = bass_get_att_idx(param->handle, &svc_idx, &att_idx);
// If the attribute has been found, status is GAP_ERR_NO_ERROR
if (status == GAP_ERR_NO_ERROR)
{
struct bass_env_tag* bass_env = PRF_ENV_GET(BASS, bass);
// Extract value before check
uint16_t ntf_cfg = co_read16p(&param->value[0]);
// Only update configuration if value for stop or notification enable
if ((att_idx == BAS_IDX_BATT_LVL_NTF_CFG)
&& ((ntf_cfg == PRF_CLI_STOP_NTFIND) || (ntf_cfg == PRF_CLI_START_NTF)))
{
// Conserve information in environment
if (ntf_cfg == PRF_CLI_START_NTF)
{
// Ntf cfg bit set to 1
bass_env->ntf_cfg[conidx] |= (BAS_BATT_LVL_NTF_SUP << svc_idx);
}
else
{
// Ntf cfg bit set to 0
bass_env->ntf_cfg[conidx] &= ~(BAS_BATT_LVL_NTF_SUP << svc_idx);
}
// Inform APP of configuration change
struct bass_batt_level_ntf_cfg_ind * ind = KE_MSG_ALLOC(BASS_BATT_LEVEL_NTF_CFG_IND,
prf_dst_task_get(&(bass_env->prf_env), conidx), dest_id,
bass_batt_level_ntf_cfg_ind);
ind->conidx = conidx;
ind->ntf_cfg = bass_env->ntf_cfg[conidx];
ke_msg_send(ind);
}
else
{
status = PRF_APP_ERROR;
}
}
//Send write response
cfm = KE_MSG_ALLOC(GATTC_WRITE_CFM, src_id, dest_id, gattc_write_cfm);
cfm->handle = param->handle;
cfm->status = status;
ke_msg_send(cfm);
return (KE_MSG_CONSUMED);
}
/**
****************************************************************************************
* @brief Handles reception of the @ref GATTC_READ_REQ_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_read_req_ind_handler(ke_msg_id_t const msgid, struct gattc_read_req_ind const *param,
ke_task_id_t const dest_id, ke_task_id_t const src_id)
{
struct gattc_read_cfm * cfm;
uint8_t svc_idx = 0, att_idx = 0;
uint8_t conidx = KE_IDX_GET(src_id);
// retrieve handle information
uint8_t status = bass_get_att_idx(param->handle, &svc_idx, &att_idx);
uint16_t length = 0;
struct bass_env_tag* bass_env = PRF_ENV_GET(BASS, bass);
// If the attribute has been found, status is GAP_ERR_NO_ERROR
if (status == GAP_ERR_NO_ERROR)
{
// read notification information
if (att_idx == BAS_IDX_BATT_LVL_VAL)
{
length = sizeof(uint8_t);
}
// read notification information
else if (att_idx == BAS_IDX_BATT_LVL_NTF_CFG)
{
length = sizeof(uint16_t);
}
else if(att_idx == BAS_IDX_BATT_LVL_PRES_FMT)
{
length = PRF_CHAR_PRES_FMT_SIZE;
}
else
{
status = PRF_APP_ERROR;
}
}
//Send write response
cfm = KE_MSG_ALLOC_DYN(GATTC_READ_CFM, src_id, dest_id, gattc_read_cfm, length);
cfm->handle = param->handle;
cfm->status = status;
cfm->length = length;
if (status == GAP_ERR_NO_ERROR)
{
// read notification information
if (att_idx == BAS_IDX_BATT_LVL_VAL)
{
cfm->value[0] = bass_env->batt_lvl[svc_idx];
}
// retrieve notification config
else if (att_idx == BAS_IDX_BATT_LVL_NTF_CFG)
{
uint16_t ntf_cfg = (bass_env->ntf_cfg[conidx] >> svc_idx & BAS_BATT_LVL_NTF_SUP) ? PRF_CLI_START_NTF : PRF_CLI_STOP_NTFIND;
co_write16p(cfm->value, ntf_cfg);
}
// retrieve battery level format
else if(att_idx == BAS_IDX_BATT_LVL_PRES_FMT)
{
prf_pack_char_pres_fmt(cfm->value, &(bass_env->batt_level_pres_format[svc_idx]));
}
else
{
/* Not Possible */
}
}
ke_msg_send(cfm);
return (KE_MSG_CONSUMED);
}
/**
****************************************************************************************
* @brief Handles @ref GATTC_CMP_EVT for GATTC_NOTIFY message meaning that Measurement
* notification has been correctly sent to peer device (but not confirmed by peer device).
* *
* @param[in] msgid Id of the message received.
* @param[in] param Pointer to the parameters of the message.
* @param[in] dest_id ID of the receiving task instance
* @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)
{
if(param->operation == GATTC_NOTIFY)
{
// continue operation execution
bass_exe_operation();
}
return (KE_MSG_CONSUMED);
}
/*
* GLOBAL VARIABLE DEFINITIONS
****************************************************************************************
*/
/// Default State handlers definition
KE_MSG_HANDLER_TAB(bass)
{
{BASS_ENABLE_REQ, (ke_msg_func_t) bass_enable_req_handler},
{BASS_BATT_LEVEL_UPD_REQ, (ke_msg_func_t) bass_batt_level_upd_req_handler},
{GATTC_ATT_INFO_REQ_IND, (ke_msg_func_t) gattc_att_info_req_ind_handler},
{GATTC_WRITE_REQ_IND, (ke_msg_func_t) gattc_write_req_ind_handler},
{GATTC_READ_REQ_IND, (ke_msg_func_t) gattc_read_req_ind_handler},
{GATTC_CMP_EVT, (ke_msg_func_t) gattc_cmp_evt_handler},
};
void bass_task_init(struct ke_task_desc *task_desc)
{
// Get the address of the environment
struct bass_env_tag *bass_env = PRF_ENV_GET(BASS, bass);
task_desc->msg_handler_tab = bass_msg_handler_tab;
task_desc->msg_cnt = ARRAY_LEN(bass_msg_handler_tab);
task_desc->state = bass_env->state;
task_desc->idx_max = BASS_IDX_MAX;
}
#endif /* #if (BLE_BATT_SERVER) */
/// @} BASSTASK