pinebuds/services/ble_profiles/cscp/cscpc/src/cscpc.c

227 lines
7.6 KiB
C

/**
****************************************************************************************
* @addtogroup CSCPC
* @{
****************************************************************************************
*/
/*
* INCLUDE FILES
****************************************************************************************
*/
#include "rwip_config.h"
#if (BLE_CSC_COLLECTOR)
#include "cscp_common.h"
#include "cscpc.h"
#include "cscpc_task.h"
#include "ke_timer.h"
#include "co_utils.h"
#include "ke_mem.h"
/*
* GLOBAL VARIABLES DECLARATION
****************************************************************************************
*/
/*
* GLOBAL FUNCTIONS DEFINITIONS
****************************************************************************************
*/
/**
****************************************************************************************
* @brief Initialization of the CSCPC 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 cscpc_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 cscpc_env_tag *cscpc_env = (struct cscpc_env_tag *)ke_malloc(
sizeof(struct cscpc_env_tag), KE_MEM_ATT_DB);
// allocate CSCPC required environment variable
env->env = (prf_env_t *)cscpc_env;
cscpc_env->prf_env.app_task =
app_task | (PERM_GET(sec_lvl, SVC_MI) ? PERM(PRF_MI, ENABLE)
: PERM(PRF_MI, DISABLE));
cscpc_env->prf_env.prf_task = env->task | PERM(PRF_MI, ENABLE);
// initialize environment variable
env->id = TASK_ID_CSCPC;
cscpc_task_init(&(env->desc));
for (idx = 0; idx < CSCPC_IDX_MAX; idx++) {
cscpc_env->env[idx] = NULL;
// service is ready, go into an Idle state
ke_state_set(KE_BUILD_ID(env->task, idx), CSCPC_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 cscpc_cleanup(struct prf_task_env *env, uint8_t conidx,
uint8_t reason) {
struct cscpc_env_tag *cscpc_env = (struct cscpc_env_tag *)env->env;
// clean-up environment variable allocated for task instance
if (cscpc_env->env[conidx] != NULL) {
if (cscpc_env->env[conidx]->operation != NULL) {
ke_free(ke_param2msg(cscpc_env->env[conidx]->operation));
}
ke_timer_clear(CSCPC_TIMEOUT_TIMER_IND,
prf_src_task_get(&cscpc_env->prf_env, conidx));
ke_free(cscpc_env->env[conidx]);
cscpc_env->env[conidx] = NULL;
}
/* Put CSCP Client in Free state */
ke_state_set(KE_BUILD_ID(env->task, conidx), CSCPC_FREE);
}
/**
****************************************************************************************
* @brief Destruction of the CSCPC 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 cscpc_destroy(struct prf_task_env *env) {
uint8_t idx;
struct cscpc_env_tag *cscpc_env = (struct cscpc_env_tag *)env->env;
// cleanup environment variable for each task instances
for (idx = 0; idx < CSCPC_IDX_MAX; idx++) {
cscpc_cleanup(env, idx, 0);
}
// free profile environment variables
env->env = NULL;
ke_free(cscpc_env);
}
/**
****************************************************************************************
* @brief Handles Connection creation
*
* @param[in|out] env Collector or Service allocated environment data.
* @param[in] conidx Connection index
****************************************************************************************
*/
static void cscpc_create(struct prf_task_env *env, uint8_t conidx) {
/* Put CSCP Client in Idle state */
ke_state_set(KE_BUILD_ID(env->task, conidx), CSCPC_IDLE);
}
/// CSCPC Task interface required by profile manager
const struct prf_task_cbs cscpc_itf = {
cscpc_init,
cscpc_destroy,
cscpc_create,
cscpc_cleanup,
};
/*
* GLOBAL FUNCTIONS DEFINITIONS
****************************************************************************************
*/
const struct prf_task_cbs *cscpc_prf_itf_get(void) { return &cscpc_itf; }
void cscpc_enable_rsp_send(struct cscpc_env_tag *cscpc_env, uint8_t conidx,
uint8_t status) {
// Send to APP the details of the discovered attributes on CSCPS
struct cscpc_enable_rsp *rsp = KE_MSG_ALLOC(
CSCPC_ENABLE_RSP, prf_dst_task_get(&(cscpc_env->prf_env), conidx),
prf_src_task_get(&(cscpc_env->prf_env), conidx), cscpc_enable_rsp);
rsp->status = status;
if (status == GAP_ERR_NO_ERROR) {
rsp->cscs = cscpc_env->env[conidx]->cscs;
// Register CSCPC task in gatt for indication/notifications
prf_register_atthdl2gatt(&(cscpc_env->prf_env), conidx,
&(cscpc_env->env[conidx]->cscs.svc));
// Go to connected state
ke_state_set(prf_src_task_get(&(cscpc_env->prf_env), conidx), CSCPC_IDLE);
}
ke_msg_send(rsp);
}
void cscpc_send_no_conn_cmp_evt(uint8_t src_id, uint8_t dest_id,
uint8_t operation) {
// Send the message
struct cscpc_cmp_evt *evt =
KE_MSG_ALLOC(CSCPC_CMP_EVT, dest_id, src_id, cscpc_cmp_evt);
evt->operation = operation;
evt->status = PRF_ERR_REQ_DISALLOWED;
ke_msg_send(evt);
}
void cscpc_send_cmp_evt(struct cscpc_env_tag *cscpc_env, uint8_t conidx,
uint8_t operation, uint8_t status) {
// Free the stored operation if needed
if (cscpc_env->env[conidx]->operation != NULL) {
ke_msg_free(ke_param2msg(cscpc_env->env[conidx]->operation));
cscpc_env->env[conidx]->operation = NULL;
}
// Go back to the CONNECTED state if the state is busy
if (ke_state_get(prf_src_task_get(&(cscpc_env->prf_env), conidx)) ==
CSCPC_BUSY) {
ke_state_set(prf_src_task_get(&(cscpc_env->prf_env), conidx), CSCPC_IDLE);
}
// Send the message
struct cscpc_cmp_evt *evt = KE_MSG_ALLOC(
CSCPC_CMP_EVT, prf_dst_task_get(&(cscpc_env->prf_env), conidx),
prf_src_task_get(&(cscpc_env->prf_env), conidx), cscpc_cmp_evt);
evt->operation = operation;
evt->status = status;
ke_msg_send(evt);
}
#endif //(BLE_CSC_COLLECTOR)
/// @} CSCP