pinebuds/services/ble_profiles/rscp/rscpc/src/rscpc.c

236 lines
7.8 KiB
C

/**
****************************************************************************************
* @addtogroup RSCPC
* @{
****************************************************************************************
*/
/*
* INCLUDE FILES
****************************************************************************************
*/
#include "rwip_config.h"
#if (BLE_RSC_COLLECTOR)
#include "rscp_common.h"
#include "rscpc.h"
#include "rscpc_task.h"
#include "ke_timer.h"
#include "ke_mem.h"
/*
* GLOBAL VARIABLES DECLARATION
****************************************************************************************
*/
/*
* LOCAL FUNCTIONS DEFINITIONS
****************************************************************************************
*/
/**
****************************************************************************************
* @brief Initialization of the RSCPC module.
* This function performs all the initializations of the Profile module.
* - Creation of database (if it's a service)
* - Allocation of profile required memory
* - Initialization of task descriptor to register application
* - Task State array
* - Number of tasks
* - Default task handler
*
* @param[out] env Collector or Service allocated environment data.
* @param[in|out] start_hdl Service start handle (0 - dynamically allocated), only applies for services.
* @param[in] app_task Application task number.
* @param[in] sec_lvl Security level (AUTH, EKS and MI field of @see enum attm_value_perm_mask)
* @param[in] param Configuration parameters of profile collector or service (32 bits aligned)
*
* @return status code to know if profile initialization succeed or not.
****************************************************************************************
*/
static uint8_t rscpc_init(struct prf_task_env* env, uint16_t* start_hdl, uint16_t app_task, uint8_t sec_lvl, void* params)
{
uint8_t idx;
//-------------------- allocate memory required for the profile ---------------------
struct rscpc_env_tag* rscpc_env =
(struct rscpc_env_tag* ) ke_malloc(sizeof(struct rscpc_env_tag), KE_MEM_ATT_DB);
// allocate RSCPC required environment variable
env->env = (prf_env_t*) rscpc_env;
rscpc_env->prf_env.app_task = app_task
| (PERM_GET(sec_lvl, SVC_MI) ? PERM(PRF_MI, ENABLE) : PERM(PRF_MI, DISABLE));
rscpc_env->prf_env.prf_task = env->task | PERM(PRF_MI, ENABLE);
// initialize environment variable
env->id = TASK_ID_RSCPC;
rscpc_task_init(&(env->desc));
for(idx = 0; idx < RSCPC_IDX_MAX ; idx++)
{
rscpc_env->env[idx] = NULL;
// service is ready, go into an Idle state
ke_state_set(KE_BUILD_ID(env->task, idx), RSCPC_FREE);
}
return GAP_ERR_NO_ERROR;
}
/**
****************************************************************************************
* @brief Clean-up connection dedicated environment parameters
* This function performs cleanup of ongoing operations
* @param[in|out] env Collector or Service allocated environment data.
* @param[in] conidx Connection index
* @param[in] reason Detach reason
****************************************************************************************
*/
static void rscpc_cleanup(struct prf_task_env* env, uint8_t conidx, uint8_t reason)
{
struct rscpc_env_tag* rscpc_env = (struct rscpc_env_tag*) env->env;
// clean-up environment variable allocated for task instance
if(rscpc_env->env[conidx] != NULL)
{
if (rscpc_env->env[conidx]->operation != NULL)
{
ke_free(ke_param2msg(rscpc_env->env[conidx]->operation));
}
ke_timer_clear(RSCPC_TIMEOUT_TIMER_IND, prf_src_task_get(&rscpc_env->prf_env, conidx));
ke_free(rscpc_env->env[conidx]);
rscpc_env->env[conidx] = NULL;
}
/* Put RSCP Client in Free state */
ke_state_set(KE_BUILD_ID(env->task, conidx), RSCPC_FREE);
}
/**
****************************************************************************************
* @brief Destruction of the RSCPC module - due to a reset for instance.
* This function clean-up allocated memory (attribute database is destroyed by another
* procedure)
*
* @param[in|out] env Collector or Service allocated environment data.
****************************************************************************************
*/
static void rscpc_destroy(struct prf_task_env* env)
{
uint8_t idx;
struct rscpc_env_tag* rscpc_env = (struct rscpc_env_tag*) env->env;
// cleanup environment variable for each task instances
for(idx = 0; idx < RSCPC_IDX_MAX ; idx++)
{
rscpc_cleanup(env, idx, 0);
}
// free profile environment variables
env->env = NULL;
ke_free(rscpc_env);
}
/**
****************************************************************************************
* @brief Handles Connection creation
*
* @param[in|out] env Collector or Service allocated environment data.
* @param[in] conidx Connection index
****************************************************************************************
*/
static void rscpc_create(struct prf_task_env* env, uint8_t conidx)
{
/* Put RSCP Client in Idle state */
ke_state_set(KE_BUILD_ID(env->task, conidx), RSCPC_IDLE);
}
/// RSCPC Task interface required by profile manager
const struct prf_task_cbs rscpc_itf =
{
rscpc_init,
rscpc_destroy,
rscpc_create,
rscpc_cleanup,
};
/*
* GLOBAL FUNCTIONS DEFINITIONS
****************************************************************************************
*/
const struct prf_task_cbs* rscpc_prf_itf_get(void)
{
return &rscpc_itf;
}
void rscpc_enable_rsp_send(struct rscpc_env_tag *rscpc_env, uint8_t conidx, uint8_t status)
{
// Send to APP the details of the discovered attributes on RSCPS
struct rscpc_enable_rsp * rsp = KE_MSG_ALLOC(
RSCPC_ENABLE_RSP,
prf_dst_task_get(&(rscpc_env->prf_env), conidx),
prf_src_task_get(&(rscpc_env->prf_env), conidx),
rscpc_enable_rsp);
rsp->status = status;
if (status == GAP_ERR_NO_ERROR)
{
rsp->rscs = rscpc_env->env[conidx]->rscs;
// Register RSCPC task in gatt for indication/notifications
prf_register_atthdl2gatt(&(rscpc_env->prf_env), conidx, &(rscpc_env->env[conidx]->rscs.svc));
// Go to connected state
ke_state_set(prf_src_task_get(&(rscpc_env->prf_env), conidx), RSCPC_IDLE);
}
ke_msg_send(rsp);
}
void rscps_send_no_conn_cmp_evt(uint8_t src_id, uint8_t dest_id, uint8_t operation)
{
// Send the message
struct rscpc_cmp_evt *evt = KE_MSG_ALLOC(RSCPC_CMP_EVT,
dest_id, src_id,
rscpc_cmp_evt);
evt->operation = operation;
evt->status = PRF_ERR_REQ_DISALLOWED;
ke_msg_send(evt);
}
void rscpc_send_cmp_evt(struct rscpc_env_tag *rscpc_env, uint8_t conidx, uint8_t operation, uint8_t status)
{
// Free the stored operation if needed
if (rscpc_env->env[conidx]->operation != NULL)
{
ke_msg_free(ke_param2msg(rscpc_env->env[conidx]->operation));
rscpc_env->env[conidx]->operation = NULL;
}
// Go back to the CONNECTED state if the state is busy
if (ke_state_get(prf_src_task_get(&(rscpc_env->prf_env), conidx)) == RSCPC_BUSY)
{
ke_state_set(prf_src_task_get(&(rscpc_env->prf_env), conidx), RSCPC_IDLE);
}
// Send the message
struct rscpc_cmp_evt *evt = KE_MSG_ALLOC(RSCPC_CMP_EVT,
prf_dst_task_get(&(rscpc_env->prf_env), conidx),
prf_src_task_get(&(rscpc_env->prf_env), conidx),
rscpc_cmp_evt);
evt->operation = operation;
evt->status = status;
ke_msg_send(evt);
}
#endif //(BLE_RSC_COLLECTOR)
/// @} RSCP