443 lines
13 KiB
C
443 lines
13 KiB
C
/**
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****************************************************************************************
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* @addtogroup GLPC
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* @{
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****************************************************************************************
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*/
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/*
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* INCLUDE FILES
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****************************************************************************************
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*/
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#include "rwip_config.h"
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#if (BLE_GL_COLLECTOR)
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#include "glpc.h"
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#include "glpc_task.h"
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#include "gap.h"
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#include "ke_mem.h"
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#include "co_utils.h"
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/*
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* TYPE DEFINITIONS
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****************************************************************************************
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*/
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/*
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* LOCAL FUNCTION DEFINITIONS
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****************************************************************************************
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*/
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/**
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****************************************************************************************
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* @brief Initialization of the GLPC module.
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* This function performs all the initializations of the Profile module.
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* - Creation of database (if it's a service)
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* - Allocation of profile required memory
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* - Initialization of task descriptor to register application
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* - Task State array
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* - Number of tasks
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* - Default task handler
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*
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* @param[out] env Collector or Service allocated environment data.
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* @param[in|out] start_hdl Service start handle (0 - dynamically allocated), only applies for services.
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* @param[in] app_task Application task number.
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* @param[in] sec_lvl Security level (AUTH, EKS and MI field of @see enum attm_value_perm_mask)
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* @param[in] param Configuration parameters of profile collector or service (32 bits aligned)
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*
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* @return status code to know if profile initialization succeed or not.
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****************************************************************************************
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*/
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static uint8_t glpc_init (struct prf_task_env* env, uint16_t* start_hdl, uint16_t app_task, uint8_t sec_lvl, void* params)
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{
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uint8_t idx;
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//-------------------- allocate memory required for the profile ---------------------
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struct glpc_env_tag* glpc_env =
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(struct glpc_env_tag* ) ke_malloc(sizeof(struct glpc_env_tag), KE_MEM_ATT_DB);
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// allocate GLPC required environment variable
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env->env = (prf_env_t*) glpc_env;
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glpc_env->prf_env.app_task = app_task
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| (PERM_GET(sec_lvl, SVC_MI) ? PERM(PRF_MI, ENABLE) : PERM(PRF_MI, DISABLE));
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glpc_env->prf_env.prf_task = env->task | PERM(PRF_MI, ENABLE);
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// initialize environment variable
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env->id = TASK_ID_GLPC;
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glpc_task_init(&(env->desc));
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for(idx = 0; idx < GLPC_IDX_MAX ; idx++)
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{
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glpc_env->env[idx] = NULL;
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// service is ready, go into an Idle state
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ke_state_set(KE_BUILD_ID(env->task, idx), GLPC_FREE);
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}
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return GAP_ERR_NO_ERROR;
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}
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/**
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****************************************************************************************
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* @brief Destruction of the GLPC module - due to a reset for instance.
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* This function clean-up allocated memory (attribute database is destroyed by another
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* procedure)
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*
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* @param[in|out] env Collector or Service allocated environment data.
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****************************************************************************************
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*/
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static void glpc_destroy(struct prf_task_env* env)
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{
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uint8_t idx;
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struct glpc_env_tag* glpc_env = (struct glpc_env_tag*) env->env;
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// cleanup environment variable for each task instances
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for(idx = 0; idx < GLPC_IDX_MAX ; idx++)
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{
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if(glpc_env->env[idx] != NULL)
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{
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ke_free(glpc_env->env[idx]);
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}
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}
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// free profile environment variables
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env->env = NULL;
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ke_free(glpc_env);
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}
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/**
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****************************************************************************************
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* @brief Handles Connection creation
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*
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* @param[in|out] env Collector or Service allocated environment data.
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* @param[in] conidx Connection index
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****************************************************************************************
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*/
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static void glpc_create(struct prf_task_env* env, uint8_t conidx)
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{
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/* Put GLP Client in Idle state */
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ke_state_set(KE_BUILD_ID(env->task, conidx), GLPC_IDLE);
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}
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/**
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****************************************************************************************
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* @brief Handles Disconnection
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*
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* @param[in|out] env Collector or Service allocated environment data.
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* @param[in] conidx Connection index
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* @param[in] reason Detach reason
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****************************************************************************************
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*/
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static void glpc_cleanup(struct prf_task_env* env, uint8_t conidx, uint8_t reason)
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{
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struct glpc_env_tag* glpc_env = (struct glpc_env_tag*) env->env;
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// clean-up environment variable allocated for task instance
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if(glpc_env->env[conidx] != NULL)
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{
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ke_free(glpc_env->env[conidx]);
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glpc_env->env[conidx] = NULL;
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}
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/* Put GLP Client in Free state */
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ke_state_set(KE_BUILD_ID(env->task, conidx), GLPC_FREE);
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}
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/*
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* GLOBAL VARIABLE DEFINITIONS
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****************************************************************************************
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*/
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/// GLPC Task interface required by profile manager
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const struct prf_task_cbs glpc_itf =
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{
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glpc_init,
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glpc_destroy,
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glpc_create,
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glpc_cleanup,
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};
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/*
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* EXPORTED FUNCTIONS DEFINITIONS
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****************************************************************************************
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*/
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const struct prf_task_cbs* glpc_prf_itf_get(void)
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{
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return &glpc_itf;
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}
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void glpc_enable_rsp_send(struct glpc_env_tag *glpc_env, uint8_t conidx, uint8_t status)
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{
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// Send to APP the details of the discovered attributes on GLPS
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struct glpc_enable_rsp * rsp = KE_MSG_ALLOC(GLPC_ENABLE_RSP,
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prf_dst_task_get(&(glpc_env->prf_env), conidx),
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prf_src_task_get(&(glpc_env->prf_env), conidx),
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glpc_enable_rsp);
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rsp->status = status;
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if (status == GAP_ERR_NO_ERROR)
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{
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rsp->gls = glpc_env->env[conidx]->gls;
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// Register GLPC task in gatt for indication/notifications
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prf_register_atthdl2gatt(&(glpc_env->prf_env), conidx, &(glpc_env->env[conidx]->gls.svc));
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// Go to IDLE state
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ke_state_set(prf_src_task_get(&(glpc_env->prf_env), conidx), GLPC_IDLE);
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}
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ke_msg_send(rsp);
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}
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uint8_t glpc_unpack_meas_value(uint8_t *packed_meas, struct glp_meas* meas_val,
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uint16_t *seq_num)
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{
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uint8_t cursor = 0;
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// Flags
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meas_val->flags = packed_meas[cursor];
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cursor += 1;
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// Sequence Number
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*seq_num = co_read16p(packed_meas + cursor);
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cursor += 2;
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// Base Time
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cursor += prf_unpack_date_time(packed_meas + cursor, &(meas_val->base_time));
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//Time Offset
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if((meas_val->flags & GLP_MEAS_TIME_OFF_PRES) != 0)
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{
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meas_val->time_offset = co_read16p(packed_meas + cursor);
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cursor += 2;
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}
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// Glucose Concentration, type and location
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if((meas_val->flags & GLP_MEAS_GL_CTR_TYPE_AND_SPL_LOC_PRES) != 0)
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{
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meas_val->concentration = co_read16p(packed_meas + cursor);
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cursor += 2;
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/* type and location are 2 nibble values */
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meas_val->location = packed_meas[cursor] >> 4;
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meas_val->type = packed_meas[cursor] & 0xF;
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cursor += 1;
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}
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// Sensor Status Annunciation
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if((meas_val->flags & GLP_MEAS_SENS_STAT_ANNUN_PRES) != 0)
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{
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meas_val->status = co_read16p(packed_meas + cursor);
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cursor += 2;
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}
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return cursor;}
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uint8_t glpc_unpack_meas_ctx_value(uint8_t *packed_meas_ctx,
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struct glp_meas_ctx* meas_ctx_val,
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uint16_t* seq_num)
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{
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uint8_t cursor = 0;
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// Flags
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meas_ctx_val->flags = packed_meas_ctx[cursor];
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cursor += 1;
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// Sequence Number
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*seq_num = co_read16p(packed_meas_ctx + cursor);
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cursor += 2;
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// Extended Flags
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if((meas_ctx_val->flags & GLP_CTX_EXTD_F_PRES) != 0)
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{
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meas_ctx_val->ext_flags = packed_meas_ctx[cursor];
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cursor += 1;
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}
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// Carbohydrate ID And Carbohydrate Present
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if((meas_ctx_val->flags & GLP_CTX_CRBH_ID_AND_CRBH_PRES) != 0)
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{
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// Carbohydrate ID
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meas_ctx_val->carbo_id = packed_meas_ctx[cursor];
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cursor += 1;
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// Carbohydrate Present
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meas_ctx_val->carbo_val = co_read16p(packed_meas_ctx + cursor);
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cursor += 2;
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}
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// Meal Present
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if((meas_ctx_val->flags & GLP_CTX_MEAL_PRES) != 0)
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{
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meas_ctx_val->meal = packed_meas_ctx[cursor];
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cursor += 1;
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}
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// Tester-Health Present
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if((meas_ctx_val->flags & GLP_CTX_TESTER_HEALTH_PRES) != 0)
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{
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// Tester and Health are 2 nibble values
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meas_ctx_val->health = packed_meas_ctx[cursor] >> 4;
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meas_ctx_val->tester = packed_meas_ctx[cursor] & 0xF;
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cursor += 1;
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}
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// Exercise Duration & Exercise Intensity Present
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if((meas_ctx_val->flags & GLP_CTX_EXE_DUR_AND_EXE_INTENS_PRES) != 0)
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{
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// Exercise Duration
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meas_ctx_val->exercise_dur = co_read16p(packed_meas_ctx + cursor);
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cursor += 2;
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// Exercise Intensity
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meas_ctx_val->exercise_intens = packed_meas_ctx[cursor];
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cursor += 1;
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}
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// Medication ID And Medication Present
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if((meas_ctx_val->flags & GLP_CTX_MEDIC_ID_AND_MEDIC_PRES) != 0)
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{
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// Medication ID
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meas_ctx_val->med_id = packed_meas_ctx[cursor];
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cursor += 1;
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// Medication Present
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meas_ctx_val->med_val = co_read16p(packed_meas_ctx + cursor);
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cursor += 2;
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}
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// HbA1c Present
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if((meas_ctx_val->flags & GLP_CTX_HBA1C_PRES) != 0)
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{
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// HbA1c
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meas_ctx_val->hba1c_val = co_read16p(packed_meas_ctx + cursor);
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cursor += 2;
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}
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return cursor;
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}
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uint8_t glpc_pack_racp_req(uint8_t *packed_val,
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const struct glp_racp_req* racp_req)
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{
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uint8_t cursor = 0;
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// command op code
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packed_val[cursor] = racp_req->op_code;
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cursor++;
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// operator of the function
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packed_val[cursor] = racp_req->filter.operator;
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cursor++;
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// Abort operation don't require any other parameter
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if(racp_req->op_code == GLP_REQ_ABORT_OP)
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{
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return cursor;
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}
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// check if request requires operand (filter)
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if((racp_req->filter.operator >= GLP_OP_LT_OR_EQ)
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&& (racp_req->filter.operator <= GLP_OP_WITHIN_RANGE_OF))
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{
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// command filter type
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packed_val[cursor] = racp_req->filter.filter_type;
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cursor++;
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// filter uses sequence number
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if(racp_req->filter.filter_type == GLP_FILTER_SEQ_NUMBER)
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{
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// minimum value
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if((racp_req->filter.operator == GLP_OP_GT_OR_EQ)
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|| (racp_req->filter.operator == GLP_OP_WITHIN_RANGE_OF))
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{
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// minimum value
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co_write16p(packed_val + cursor,racp_req->filter.val.seq_num.min);
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cursor +=2;
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}
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// maximum value
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if((racp_req->filter.operator == GLP_OP_LT_OR_EQ)
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|| (racp_req->filter.operator == GLP_OP_WITHIN_RANGE_OF))
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{
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// maximum value
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co_write16p(packed_val + cursor,racp_req->filter.val.seq_num.max);
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cursor +=2;
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}
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}
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// filter uses user facing time
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else
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{
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// retrieve minimum value
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if((racp_req->filter.operator == GLP_OP_GT_OR_EQ)
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|| (racp_req->filter.operator == GLP_OP_WITHIN_RANGE_OF))
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{
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// retrieve minimum facing time
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cursor += prf_pack_date_time((packed_val + cursor),
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&(racp_req->filter.val.time.facetime_min));
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}
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// retrieve maximum value
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if((racp_req->filter.operator == GLP_OP_LT_OR_EQ)
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|| (racp_req->filter.operator == GLP_OP_WITHIN_RANGE_OF))
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{
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// retrieve maximum facing time
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cursor += prf_pack_date_time((packed_val + cursor),
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&(racp_req->filter.val.time.facetime_max));
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}
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}
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}
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return cursor;
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}
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uint8_t glpc_unpack_racp_rsp(uint8_t *packed_val,
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struct glp_racp_rsp* racp_rsp)
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{
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uint8_t cursor = 0;
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// response op code
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racp_rsp->op_code = packed_val[cursor];
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cursor++;
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// operator (null)
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cursor++;
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// number of records
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if(racp_rsp->op_code == GLP_REQ_NUM_OF_STRD_RECS_RSP)
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{
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racp_rsp->operand.num_of_record = co_read16p(packed_val + cursor);
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cursor += 2;
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}
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else
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{
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// requested opcode
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racp_rsp->operand.rsp.op_code_req = packed_val[cursor];
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cursor++;
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// command status
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racp_rsp->operand.rsp.status = packed_val[cursor];
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cursor++;
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}
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return cursor;
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}
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uint8_t glpc_validate_request(struct glpc_env_tag *glpc_env, uint8_t conidx, uint8_t char_code)
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{
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uint8_t status = GAP_ERR_NO_ERROR;
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// check if feature val characteristic exists
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if(glpc_env->env[conidx]->gls.chars[char_code].val_hdl == ATT_INVALID_HANDLE)
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{
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status = PRF_ERR_INEXISTENT_HDL;
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}
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return (status);
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}
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#endif /* (BLE_GL_COLLECTOR) */
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/// @} GLPC
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