358 lines
13 KiB
C
358 lines
13 KiB
C
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/**
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****************************************************************************************
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* @addtogroup CSCPS
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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_CSC_SENSOR)
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#include "cscp_common.h"
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#include "gap.h"
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#include "gattc_task.h"
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#include "cscps.h"
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#include "cscps_task.h"
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#include "prf_utils.h"
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#include "ke_mem.h"
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/*
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* GLOBAL VARIABLE DEFINITIONS
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****************************************************************************************
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*/
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/// Full CSCPS Database Description - Used to add attributes into the database
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static const struct attm_desc cscps_att_db[CSCS_IDX_NB] =
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{
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// Cycling Speed and Cadence Service Declaration
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[CSCS_IDX_SVC] = {ATT_DECL_PRIMARY_SERVICE, PERM(RD, ENABLE), 0, 0},
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// CSC Measurement Characteristic Declaration
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[CSCS_IDX_CSC_MEAS_CHAR] = {ATT_DECL_CHARACTERISTIC, PERM(RD, ENABLE), 0, 0},
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// CSC Measurement Characteristic Value
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[CSCS_IDX_CSC_MEAS_VAL] = {ATT_CHAR_CSC_MEAS, PERM(NTF, ENABLE), PERM(RI, ENABLE), CSCP_CSC_MEAS_MAX_LEN},
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// CSC Measurement Characteristic - Client Characteristic Configuration Descriptor
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[CSCS_IDX_CSC_MEAS_NTF_CFG] = {ATT_DESC_CLIENT_CHAR_CFG, PERM(RD, ENABLE) | PERM(WRITE_REQ, ENABLE), 0, 0},
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// CSC Feature Characteristic Declaration
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[CSCS_IDX_CSC_FEAT_CHAR] = {ATT_DECL_CHARACTERISTIC, PERM(RD, ENABLE), 0, 0},
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// CSC Feature Characteristic Value
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[CSCS_IDX_CSC_FEAT_VAL] = {ATT_CHAR_CSC_FEAT, PERM(RD, ENABLE), PERM(RI, ENABLE), sizeof(uint16_t)},
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// Sensor Location Characteristic Declaration
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[CSCS_IDX_SENSOR_LOC_CHAR] = {ATT_DECL_CHARACTERISTIC, PERM(RD, ENABLE), 0, 0},
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// Sensor Location Characteristic Value
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[CSCS_IDX_SENSOR_LOC_VAL] = {ATT_CHAR_SENSOR_LOC, PERM(RD, ENABLE), PERM(RI, ENABLE), sizeof(uint8_t)},
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// SC Control Point Characteristic Declaration
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[CSCS_IDX_SC_CTNL_PT_CHAR] = {ATT_DECL_CHARACTERISTIC, PERM(RD, ENABLE), CSCS_IDX_SC_CTNL_PT_VAL, 0},
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// SC Control Point Characteristic Value - The response has the maximal length
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[CSCS_IDX_SC_CTNL_PT_VAL] = {ATT_CHAR_SC_CNTL_PT, PERM(IND, ENABLE) | PERM(WRITE_REQ, ENABLE),
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PERM(RI, ENABLE), CSCP_SC_CNTL_PT_RSP_MAX_LEN},
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// SC Control Point Characteristic - Client Characteristic Configuration Descriptor
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[CSCS_IDX_SC_CTNL_PT_NTF_CFG] = {ATT_DESC_CLIENT_CHAR_CFG, PERM(RD, ENABLE) | PERM(WRITE_REQ, ENABLE), 0, 0},
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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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/**
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****************************************************************************************
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* @brief Initialization of the CSCPS 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 cscps_init(struct prf_task_env* env, uint16_t* start_hdl, uint16_t app_task, uint8_t sec_lvl, struct cscps_db_cfg* param)
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{
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//------------------ create the attribute database for the profile -------------------
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// Service content flag
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uint32_t cfg_flag= CSCPS_MANDATORY_MASK;
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// DB Creation Status
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uint8_t status = ATT_ERR_NO_ERROR;
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/*
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* Check if the Sensor Location characteristic shall be added.
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* Mandatory if the Multiple Sensor Location feature is supported, otherwise optional.
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*/
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if ((param->sensor_loc_supp == CSCPS_SENSOR_LOC_SUPP) ||
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(CSCPS_IS_FEATURE_SUPPORTED(param->csc_feature, CSCP_FEAT_MULT_SENSOR_LOC_SUPP)))
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{
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cfg_flag |= CSCPS_SENSOR_LOC_MASK;
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}
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/*
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* Check if the SC Control Point characteristic shall be added
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* Mandatory if at least one SC Control Point procedure is supported, otherwise excluded.
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*/
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if (CSCPS_IS_FEATURE_SUPPORTED(param->csc_feature, CSCP_FEAT_WHEEL_REV_DATA_SUPP) ||
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CSCPS_IS_FEATURE_SUPPORTED(param->csc_feature, CSCP_FEAT_MULT_SENSOR_LOC_SUPP))
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{
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cfg_flag |= CSCPS_SC_CTNL_PT_MASK;
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}
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// Add service in the database
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status = attm_svc_create_db(start_hdl, ATT_SVC_CYCLING_SPEED_CADENCE, (uint8_t *)&cfg_flag,
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CSCS_IDX_NB, NULL, env->task, &cscps_att_db[0],
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(sec_lvl & (PERM_MASK_SVC_DIS | PERM_MASK_SVC_AUTH | PERM_MASK_SVC_EKS)) | PERM(SVC_MI, DISABLE));
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// Check if an error has occured
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if (status == ATT_ERR_NO_ERROR)
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{
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// Allocate CSCPS required environment variable
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struct cscps_env_tag* cscps_env =
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(struct cscps_env_tag* ) ke_malloc(sizeof(struct cscps_env_tag), KE_MEM_ATT_DB);
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// Initialize CSCPS environment
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env->env = (prf_env_t*) cscps_env;
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cscps_env->shdl = *start_hdl;
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cscps_env->prfl_cfg = cfg_flag;
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cscps_env->features = param->csc_feature;
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cscps_env->operation = CSCPS_RESERVED_OP_CODE;
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if (CSCPS_IS_FEATURE_SUPPORTED(cscps_env->prfl_cfg, CSCPS_SENSOR_LOC_MASK))
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{
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cscps_env->sensor_loc = (param->sensor_loc >= CSCP_LOC_MAX) ?
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CSCP_LOC_OTHER : param->sensor_loc;
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}
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cscps_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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// Mono Instantiated task
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cscps_env->prf_env.prf_task = env->task | PERM(PRF_MI, DISABLE);
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// initialize environment variable
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env->id = TASK_ID_CSCPS;
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cscps_task_init(&(env->desc));
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// Store the provided cumulative wheel revolution value
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cscps_env->tot_wheel_rev = param->wheel_rev;
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cscps_env->ntf = NULL;
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memset(cscps_env->prfl_ntf_ind_cfg, 0, BLE_CONNECTION_MAX);
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// If we are here, database has been fulfilled with success, go to idle state
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ke_state_set(env->task, CSCPS_IDLE);
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}
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return (status);
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}
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/**
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****************************************************************************************
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* @brief Destruction of the CSCPS 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 cscps_destroy(struct prf_task_env* env)
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{
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struct cscps_env_tag* cscps_env = (struct cscps_env_tag*) env->env;
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// cleanup environment variable for each task instances
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if(cscps_env->ntf != NULL)
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{
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ke_free(cscps_env->ntf);
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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(cscps_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 cscps_create(struct prf_task_env* env, uint8_t conidx)
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{
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struct cscps_env_tag* cscps_env = (struct cscps_env_tag*) env->env;
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cscps_env->prfl_ntf_ind_cfg[conidx] = 0;
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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 cscps_cleanup(struct prf_task_env* env, uint8_t conidx, uint8_t reason)
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{
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struct cscps_env_tag* cscps_env = (struct cscps_env_tag*) env->env;
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// clean-up environment variable allocated for task instance
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cscps_env->prfl_ntf_ind_cfg[conidx] = 0;
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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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/// CSCPS Task interface required by profile manager
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const struct prf_task_cbs cscps_itf =
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{
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(prf_init_fnct) cscps_init,
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cscps_destroy,
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cscps_create,
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cscps_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* cscps_prf_itf_get(void)
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{
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return &cscps_itf;
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}
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void cscps_send_cmp_evt(uint8_t conidx, uint8_t src_id, uint8_t dest_id, uint8_t operation, uint8_t status)
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{
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// Get the address of the environment
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struct cscps_env_tag *cscps_env = PRF_ENV_GET(CSCPS, cscps);
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// Go back to the Connected state if the state is busy
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if (ke_state_get(src_id) == CSCPS_BUSY)
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{
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ke_state_set(src_id, CSCPS_IDLE);
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}
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// Set the operation code
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cscps_env->operation = CSCPS_RESERVED_OP_CODE;
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// Send the message
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struct cscps_cmp_evt *evt = KE_MSG_ALLOC(CSCPS_CMP_EVT,
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dest_id, src_id,
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cscps_cmp_evt);
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evt->conidx = conidx;
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evt->operation = operation;
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evt->status = status;
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ke_msg_send(evt);
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}
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void cscps_exe_operation(void)
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{
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struct cscps_env_tag *cscps_env = PRF_ENV_GET(CSCPS, cscps);
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ASSERT_ERR(cscps_env->ntf != NULL);
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bool finished = true;
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while(cscps_env->ntf->cursor < BLE_CONNECTION_MAX)
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{
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// Check if notifications are enabled
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if(CSCPS_IS_NTFIND_ENABLED(cscps_env->ntf->cursor, CSCP_PRF_CFG_FLAG_CSC_MEAS_NTF))
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{
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// Allocate the GATT notification message
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struct gattc_send_evt_cmd *meas_val = KE_MSG_ALLOC_DYN(GATTC_SEND_EVT_CMD,
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KE_BUILD_ID(TASK_GATTC, cscps_env->ntf->cursor),
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prf_src_task_get(&(cscps_env->prf_env), 0),
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gattc_send_evt_cmd, cscps_env->ntf->length);
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// Fill in the parameter structure
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meas_val->operation = GATTC_NOTIFY;
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meas_val->handle = CSCPS_HANDLE(CSCS_IDX_CSC_MEAS_VAL);
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meas_val->length = cscps_env->ntf->length;
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memcpy(meas_val->value, cscps_env->ntf->value, cscps_env->ntf->length);
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// Send the event
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ke_msg_send(meas_val);
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finished = false;
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cscps_env->ntf->cursor++;
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break;
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}
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cscps_env->ntf->cursor++;
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}
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// check if operation is finished
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if(finished)
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{
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// Inform the application that a procedure has been completed
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struct cscps_ntf_csc_meas_rsp *rsp = KE_MSG_ALLOC(CSCPS_NTF_CSC_MEAS_RSP,
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prf_dst_task_get(&(cscps_env->prf_env), 0),
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prf_src_task_get(&(cscps_env->prf_env), 0),
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cscps_ntf_csc_meas_rsp);
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rsp->status = GAP_ERR_NO_ERROR;
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rsp->tot_wheel_rev = cscps_env->tot_wheel_rev;
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ke_msg_send(rsp);
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// free operation
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ke_free(cscps_env->ntf);
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cscps_env->ntf = NULL;
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cscps_env->operation = CSCPS_RESERVED_OP_CODE;
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ke_state_set(prf_src_task_get(&(cscps_env->prf_env), 0), CSCPS_IDLE);
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}
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}
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void cscps_send_rsp_ind(uint8_t conidx, uint8_t req_op_code, uint8_t status)
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{
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// Get the address of the environment
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struct cscps_env_tag *cscps_env = PRF_ENV_GET(CSCPS, cscps);
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// Allocate the GATT notification message
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struct gattc_send_evt_cmd *ctl_pt_rsp = KE_MSG_ALLOC_DYN(GATTC_SEND_EVT_CMD,
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KE_BUILD_ID(TASK_GATTC, conidx),
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prf_src_task_get(&cscps_env->prf_env, conidx),
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||
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gattc_send_evt_cmd, CSCP_SC_CNTL_PT_RSP_MIN_LEN);
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||
|
|
|
||
|
|
// Fill in the parameter structure
|
||
|
|
ctl_pt_rsp->operation = GATTC_INDICATE;
|
||
|
|
ctl_pt_rsp->handle = CSCPS_HANDLE(CSCS_IDX_SC_CTNL_PT_VAL);
|
||
|
|
// Pack Control Point confirmation
|
||
|
|
ctl_pt_rsp->length = CSCP_SC_CNTL_PT_RSP_MIN_LEN;
|
||
|
|
// Response Code
|
||
|
|
ctl_pt_rsp->value[0] = CSCP_CTNL_PT_RSP_CODE;
|
||
|
|
// Request Operation Code
|
||
|
|
ctl_pt_rsp->value[1] = req_op_code;
|
||
|
|
// Response value
|
||
|
|
ctl_pt_rsp->value[2] = status;
|
||
|
|
|
||
|
|
// Send the event
|
||
|
|
ke_msg_send(ctl_pt_rsp);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif //(BLE_CSC_SENSOR)
|
||
|
|
|
||
|
|
/// @} CSCPS
|