pinebuds/services/ble_profiles/hrp/hrpc/src/hrpc.c

229 lines
7.4 KiB
C

/**
****************************************************************************************
* @addtogroup HRPC
* @{
****************************************************************************************
*/
/*
* INCLUDE FILES
****************************************************************************************
*/
#include "rwip_config.h"
#if (BLE_HR_COLLECTOR)
#include "hrp_common.h"
#include "hrpc.h"
#include "hrpc_task.h"
#include "co_utils.h"
#include "ke_mem.h"
#include "co_utils.h"
#include "ke_mem.h"
/*
* LOCAL FUNCTIONS DEFINITIONS
****************************************************************************************
*/
/**
****************************************************************************************
* @brief Initialization of the HRPC 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 hrpc_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 hrpc_env_tag *hrpc_env = (struct hrpc_env_tag *)ke_malloc(
sizeof(struct hrpc_env_tag), KE_MEM_ATT_DB);
// allocate HRPC required environment variable
env->env = (prf_env_t *)hrpc_env;
hrpc_env->prf_env.app_task =
app_task | (PERM_GET(sec_lvl, SVC_MI) ? PERM(PRF_MI, ENABLE)
: PERM(PRF_MI, DISABLE));
hrpc_env->prf_env.prf_task = env->task | PERM(PRF_MI, ENABLE);
// initialize environment variable
env->id = TASK_ID_HRPC;
hrpc_task_init(&(env->desc));
for (idx = 0; idx < HRPC_IDX_MAX; idx++) {
hrpc_env->env[idx] = NULL;
// service is ready, go into an Idle state
ke_state_set(KE_BUILD_ID(env->task, idx), HRPC_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 hrpc_cleanup(struct prf_task_env *env, uint8_t conidx,
uint8_t reason) {
struct hrpc_env_tag *hrpc_env = (struct hrpc_env_tag *)env->env;
// clean-up environment variable allocated for task instance
if (hrpc_env->env[conidx] != NULL) {
ke_free(hrpc_env->env[conidx]);
hrpc_env->env[conidx] = NULL;
}
/* Put HRP Client in Free state */
ke_state_set(KE_BUILD_ID(env->task, conidx), HRPC_FREE);
}
/**
****************************************************************************************
* @brief Destruction of the HRPC 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 hrpc_destroy(struct prf_task_env *env) {
uint8_t idx;
struct hrpc_env_tag *hrpc_env = (struct hrpc_env_tag *)env->env;
// cleanup environment variable for each task instances
for (idx = 0; idx < HRPC_IDX_MAX; idx++) {
hrpc_cleanup(env, idx, 0);
}
// free profile environment variables
env->env = NULL;
ke_free(hrpc_env);
}
/**
****************************************************************************************
* @brief Handles Connection creation
*
* @param[in|out] env Collector or Service allocated environment data.
* @param[in] conidx Connection index
****************************************************************************************
*/
static void hrpc_create(struct prf_task_env *env, uint8_t conidx) {
/* Put HRP Client in Idle state */
ke_state_set(KE_BUILD_ID(env->task, conidx), HRPC_IDLE);
}
/// HRPC Task interface required by profile manager
const struct prf_task_cbs hrpc_itf = {
hrpc_init,
hrpc_destroy,
hrpc_create,
hrpc_cleanup,
};
/*
* GLOBAL FUNCTIONS DEFINITIONS
****************************************************************************************
*/
const struct prf_task_cbs *hrpc_prf_itf_get(void) { return &hrpc_itf; }
/*
* EXPORTED FUNCTIONS DEFINITIONS
****************************************************************************************
*/
void hrpc_enable_rsp_send(struct hrpc_env_tag *hrpc_env, uint8_t conidx,
uint8_t status) {
// send APP the details of the discovered attributes on HTPT
struct hrpc_enable_rsp *rsp = KE_MSG_ALLOC(
HRPC_ENABLE_RSP, prf_dst_task_get(&(hrpc_env->prf_env), conidx),
prf_src_task_get(&(hrpc_env->prf_env), conidx), hrpc_enable_rsp);
rsp->status = status;
if (status == GAP_ERR_NO_ERROR) {
rsp->hrs = hrpc_env->env[conidx]->hrs;
// register HRPC task in gatt for indication/notifications
prf_register_atthdl2gatt(&hrpc_env->prf_env, conidx,
&hrpc_env->env[conidx]->hrs.svc);
// Go to connected state
ke_state_set(prf_src_task_get(&(hrpc_env->prf_env), conidx), HRPC_IDLE);
}
ke_msg_send(rsp);
}
void hrpc_unpack_meas_value(struct hrs_hr_meas *pmeas_val, uint8_t *packed_hr,
uint8_t size) {
int8_t cursor = 0;
int8_t i = 0;
// Heart Rate measurement flags
pmeas_val->flags = packed_hr[0];
cursor += 1;
if ((pmeas_val->flags & HRS_FLAG_HR_16BITS_VALUE) ==
HRS_FLAG_HR_16BITS_VALUE) {
// Heart Rate Measurement Value 16 bits
pmeas_val->heart_rate = co_read16p(&packed_hr[cursor]);
cursor += 2;
} else {
// Heart Rate Measurement Value 8 bits
pmeas_val->heart_rate = (uint16_t)packed_hr[cursor];
cursor += 1;
}
if ((pmeas_val->flags & HRS_FLAG_ENERGY_EXPENDED_PRESENT) ==
HRS_FLAG_ENERGY_EXPENDED_PRESENT) {
// Energy Expended present
pmeas_val->energy_expended = co_read16p(&packed_hr[cursor]);
cursor += 2;
}
// retrieve number of rr intervals
pmeas_val->nb_rr_interval =
((size - cursor) > 0 ? ((size - cursor) / 2) : (0));
for (i = 0; (i < (pmeas_val->nb_rr_interval)) && (i < (HRS_MAX_RR_INTERVAL));
i++) {
// RR-Intervals
pmeas_val->rr_intervals[i] = co_read16p(&packed_hr[cursor]);
cursor += 2;
}
}
void hrpc_error_ind_send(struct hrpc_env_tag *hrpc_env, uint8_t conidx,
uint8_t status) {}
#endif /* (BLE_HR_COLLECTOR) */
/// @} HRPC