FreeCalypso > hg > fc-magnetite
view src/cs/drivers/drv_app/kpd/kpd_functions.c @ 248:35b17d54773d
helpers: build-date helper program written
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 03 Aug 2017 04:24:06 +0000 |
parents | 945cf7f506b2 |
children |
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/** * @file kpd_functions.c * * Implementation of Keypad functions. * These functions implement the keypad processing. * * @author Laurent Sollier (l-sollier@ti.com) * @version 0.1 */ /* * History: * * Date Author Modification * ---------------------------------------- * 10/10/2001 L Sollier Create * * * (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved */ #include "kpd/kpd_i.h" #include "kpd/kpd_virtual_key_table_mgt.h" #include "kpd/kpd_env.h" #include "kpd/kpd_messages_i.h" #include "rvf/rvf_api.h" #include "rvm/rvm_use_id_list.h" extern T_KPD_ENV_CTRL_BLK* kpd_env_ctrl_blk; /* Define the max of subscribers supported by the keypad driver */ #define MAX_SUBSCRIBERS 32 #define KEY_MASK_SIZE_FOR_SN_MODE 20 /* This structure gather general informations about keypad */ typedef struct { UINT32 reserved_subscriber_id; UINT8 keypad_mode; char sn_mode_notified_keys[KEY_MASK_SIZE_FOR_SN_MODE]; T_SUBSCRIBER_ID owner_keypad_id; } T_KEYPAD_DRIVER_INFOS; /* Keypad informations */ static T_KEYPAD_DRIVER_INFOS keypad_driver_infos; /* Mutex used to protect reserved_subscriber_id variable */ static T_RVF_MUTEX mutex; /** * @name Functions implementation * */ /*@{*/ /** * function: kpd_initialize_keypad_driver */ T_RV_RET kpd_initialize_keypad_driver(void) { T_RV_RET ret = RV_OK; UINT8 i; /* Initialization of keypad_driver_infos */ keypad_driver_infos.reserved_subscriber_id = 0; keypad_driver_infos.keypad_mode = MN_MODE; for (i = 0; i < KEY_MASK_SIZE_FOR_SN_MODE; i++) keypad_driver_infos.sn_mode_notified_keys[i] = 0; keypad_driver_infos.owner_keypad_id = 0; /* Initialize ASCII table */ if (kpd_initialize_ascii_table() != RV_OK) ret = RV_INTERNAL_ERR; /* Check if number max of subscriber is supported by the driver */ else if (KPD_MAX_SUBSCRIBER > MAX_SUBSCRIBERS) ret = RV_INTERNAL_ERR; /* Check validity of the vpm table */ else if (kpd_vpm_table_is_valid() == FALSE) ret = RV_INTERNAL_ERR; /* Mutex initialization */ else if (rvf_initialize_mutex(&mutex) != RVF_OK) ret = RV_INTERNAL_ERR; /* Hardware initialization */ kpd_initialize_keypad_hardware(); if (ret == RV_INTERNAL_ERR) KPD_SEND_TRACE("Keypad driver initialization failed", RV_TRACE_LEVEL_ERROR); return ret; } /** * function: kpd_kill_keypad_driver */ T_RV_RET kpd_kill_keypad_driver(void) { return rvf_delete_mutex(&mutex); } /** * function: kpd_add_subscriber */ T_RV_RET kpd_add_subscriber(T_SUBSCRIBER_ID* subscriber_id) { UINT8 i; UINT8 nb_subscriber = 0; T_RV_RET ret = RV_OK; rvf_lock_mutex(&mutex); /* Check number of subscribers */ for (i = 0; i < KPD_MAX_SUBSCRIBER; i++) if (keypad_driver_infos.reserved_subscriber_id & (1<<i)) nb_subscriber++; if (nb_subscriber >= KPD_MAX_SUBSCRIBER) { KPD_SEND_TRACE("KPD: Max of subscriber reached", RV_TRACE_LEVEL_WARNING); ret = RV_INTERNAL_ERR; } else { for (i = 0; i < KPD_MAX_SUBSCRIBER; i++) if ( (keypad_driver_infos.reserved_subscriber_id & (1<<i)) == 0) { keypad_driver_infos.reserved_subscriber_id |= 1<<i; *subscriber_id = i; break; } } rvf_unlock_mutex(&mutex); return ret; } /** * function: kpd_remove_subscriber */ T_RV_RET kpd_remove_subscriber(T_SUBSCRIBER_ID subscriber_id) { T_RV_RET ret = RV_OK; rvf_lock_mutex(&mutex); /* Check if subscriber id is correct */ if (keypad_driver_infos.reserved_subscriber_id & (1<<subscriber_id) ) { /* Unreserve the id */ keypad_driver_infos.reserved_subscriber_id &= ~(1<<subscriber_id); } else { KPD_SEND_TRACE("KPD: Subscriber Id unknown", RV_TRACE_LEVEL_ERROR); ret = RV_INVALID_PARAMETER; } rvf_unlock_mutex(&mutex); return ret; } /** * function: kpd_subscriber_id_used */ BOOL kpd_subscriber_id_used(T_KPD_SUBSCRIBER subscriber, T_SUBSCRIBER_ID* subscriber_id) { BOOL ret = FALSE; T_SUBSCRIBER_ID id; rvf_lock_mutex(&mutex); if (subscriber != 0) { id = ((T_SUBSCRIBER*) subscriber)->subscriber_id; *subscriber_id = id; /* Check if subscriber id is correct */ if ( keypad_driver_infos.reserved_subscriber_id & (1<<id) ) ret = TRUE; } rvf_unlock_mutex(&mutex); return ret; } /** * function: kpd_send_key_event_message */ void kpd_send_key_event_message(T_KPD_PHYSICAL_KEY_ID physical_key_pressed_id, T_KPD_KEY_STATE state, T_KPD_PRESS_STATE press_state, T_KPD_MODE mode, T_RV_RETURN return_path) { T_RVF_MB_STATUS mb_status; T_KPD_KEY_EVENT_MSG* key_event; char* ascii_code; /* Subscriber must be notified by the pressed key */ mb_status = rvf_get_buf (kpd_env_ctrl_blk->prim_id, sizeof(T_KPD_KEY_EVENT_MSG), (void **) &key_event); if (mb_status != RVF_RED) /* Memory allocation success */ { /* Fill the message */ key_event->hdr.msg_id = KPD_KEY_EVENT_MSG; key_event->key_info.virtual_key_id = kpd_get_virtual_key(physical_key_pressed_id, mode); key_event->key_info.state = state; key_event->key_info.press_state = press_state; kpd_get_ascii_key_value(physical_key_pressed_id, mode, &ascii_code); key_event->key_info.ascii_value_p = ascii_code; KPD_SEND_TRACE_PARAM("KPD: Virtual key Id sent: ", key_event->key_info.virtual_key_id, RV_TRACE_LEVEL_DEBUG_HIGH); /* Send message to the client */ if (return_path.callback_func != 0) { return_path.callback_func((void*) key_event); rvf_free_buf(key_event); } else { rvf_send_msg(return_path.addr_id, key_event); } } else { KPD_SEND_TRACE("KPD: Memory allocation error", RV_TRACE_LEVEL_ERROR); } } /** * function: kpd_send_status_message */ void kpd_send_status_message(UINT8 operation, UINT8 status_value, T_RV_RETURN return_path) { T_RVF_MB_STATUS mb_status; T_KPD_STATUS_MSG* msg_status; /* Reserve memory for message */ mb_status = rvf_get_buf (kpd_env_ctrl_blk->prim_id, sizeof(T_KPD_STATUS_MSG), (void **) &msg_status); if (mb_status != RVF_RED) /* Memory allocation success */ { /* Fill the message */ msg_status->hdr.msg_id = KPD_STATUS_MSG; msg_status->operation = operation; msg_status->status_value = status_value; /* Send message to the client */ if (return_path.callback_func != 0) { return_path.callback_func((void*) msg_status); rvf_free_buf(msg_status); } else { rvf_send_msg(return_path.addr_id, msg_status); } KPD_SEND_TRACE_PARAM("KPD: Sent status message, Id:", status_value, RV_TRACE_LEVEL_DEBUG_LOW); } else { KPD_SEND_TRACE("KPD: Memory allocation error", RV_TRACE_LEVEL_ERROR); } } /** * function: kpd_is_key_in_sn_mode */ BOOL kpd_is_key_in_sn_mode(T_KPD_PHYSICAL_KEY_ID physical_key_pressed_id) { return ( (keypad_driver_infos.keypad_mode == SN_MODE) && (keypad_driver_infos.sn_mode_notified_keys[physical_key_pressed_id >> 3] & (1<<(physical_key_pressed_id & 0x07))) ); } /** * function: kpd_set_keys_in_sn_mode */ void kpd_set_keys_in_sn_mode(T_KPD_VIRTUAL_KEY_TABLE* keys_owner, T_KPD_MODE mode) { UINT8 i; INT8 position; for (i = 0; i < keys_owner->nb_notified_keys; i++) { /* Retrieve position in vpm table */ kpd_retrieve_virtual_key_position(keys_owner->notified_keys[i], mode, &position); keypad_driver_infos.sn_mode_notified_keys[position >> 3] |= (1<<(position & 0x07)); } } /** * function: kpd_is_owner_keypad */ BOOL kpd_is_owner_keypad(T_SUBSCRIBER_ID subscriber_id) { return ( (keypad_driver_infos.keypad_mode == SN_MODE) && (keypad_driver_infos.owner_keypad_id == subscriber_id) ); } /** * function: kpd_get_keypad_mode */ UINT8 kpd_get_keypad_mode(void) { return keypad_driver_infos.keypad_mode; } /** * function: kpd_set_keypad_mode */ void kpd_set_keypad_mode(UINT8 mode) { UINT8 i; keypad_driver_infos.keypad_mode = mode; if (mode == MN_MODE) { for (i = 0; i < KEY_MASK_SIZE_FOR_SN_MODE; i++) keypad_driver_infos.sn_mode_notified_keys[i] = 0; } } /** * function: kpd_get_owner_keypad_id */ T_SUBSCRIBER_ID kpd_get_owner_keypad_id(void) { return keypad_driver_infos.owner_keypad_id; } /** * function: kpd_set_owner_keypad_id */ void kpd_set_owner_keypad_id(T_SUBSCRIBER_ID subscriber_id) { keypad_driver_infos.owner_keypad_id = subscriber_id; } /*@}*/