立体声蓝牙耳机软件项目

/**************************************************************************** Copyright (C) Cambridge Silicon Radio Ltd. 2004-2008 */ /*! @file headset_leds.c @brief Module responsible for managing the LED outputs and the pios configured as led outputs. */ #include "headset_LEDmanager.h" #include "headset_leds.h" #include "headset_pio.h" #include "headset_private.h" #include "headset_statemanager.h" #include <charger.h> #include <panic.h> #include <stddef.h> #ifdef DEBUG_LEDS #define LED_DEBUG(x) DEBUG(x) #else #define LED_DEBUG(x) #endif #define LED_ON TRUE #define LED_OFF FALSE #define LEDS_STATE_START_DELAY_MS 300 /**************************************************************************** LOCAL FUNCTION PROTOTYPES */ /*internal message handler for the LED callback messages*/ static void LedsMessageHandler( Task task, MessageId id, Message message ) ; /*helper functions for the message handler*/ static uint16 LedsApplyFilterToTime ( LedTaskData * pLEDTask , uint16 pTime ) ; static LEDColour_t LedsGetPatternColour ( LedTaskData * pLEDTask , const LEDPattern_t * pPattern ) ; /*helper functions to change the state of LED pairs depending on the pattern being played*/ static void LedsTurnOffLEDPair ( LedTaskData * pLEDTask , LEDPattern_t * pPattern, bool pUseOveride ) ; static void LedsTurnOnLEDPair ( LedTaskData * pLEDTask , LEDPattern_t * pPattern , LEDActivity_t * pLED ); /*method to complete an event*/ static void LedsEventComplete ( LedTaskData * pLEDTask, LEDActivity_t * pPrimaryLed , LEDActivity_t * pSecondaryLed ) ; /*method to indicate that an event has been completed*/ static void LedsSendEventComplete ( headsetEvents_t pEvent , bool pPatternCompleted ) ; /*filter enable - check methods*/ static bool LedsIsFilterEnabled ( LedTaskData * pLEDTask , uint16 pFilter ) ; static void LedsEnableFilter ( LedTaskData * pLEDTask , uint16 pFilter , bool pEnable) ; static void LedsHandleOverideLED ( LedTaskData * pLEDTask , bool pOnOrOff ) ; /*Follower LED helper functions*/ static bool LedsCheckFiltersForLEDFollower( LedTaskData * pLEDTask ) ; static uint16 LedsGetLedFollowerRepeatTimeLeft( LedTaskData * pLEDTask , LEDPattern_t* pPattern) ; static uint16 LedsGetFollowerPin( LedTaskData * pLEDTask ) ; static uint16 LedsGetLedFollowerStartDelay( LedTaskData * pLEDTask ) ; static void LedsSetEnablePin ( LedTaskData * pLEDTask , bool pOnOrOff ) ; /**************************************************************************** FUNCTIONS */ /*****************************************************************************/ void LedsInit ( LedTaskData * pTask ) { /*Set the callback handler for the task*/ pTask->task.handler = LedsMessageHandler ; pTask->gCurrentlyIndicatingEvent = FALSE ; /*set the tricolour leds to known values*/ /* pTask->gTriColLeds.TriCol_a = 0 ; pTask->gTriColLeds.TriCol_b = 0 ; pTask->gTriColLeds.TriCol_c = 0 ; */ pTask->gFollowing = FALSE ; /*Disable the built-in charger indications*/ ChargerSupressLed0(TRUE); } /*****************************************************************************/ void LedsIndicateEvent ( LedTaskData * pLEDTask , headsetEvents_t pEvent ) { uint16 lPrimaryLED = 0; uint16 lSecondaryLED = 0; uint16 lEventIndex = pEvent - EVENTS_EVENT_BASE ; /*get the event and start the display*/ lPrimaryLED = pLEDTask->gEventPatterns[lEventIndex]->LED_A; lSecondaryLED = pLEDTask->gEventPatterns[lEventIndex]->LED_B; LED_DEBUG(("LM : Ev LED [%x]i[%x] ", pEvent , lEventIndex )) ; #ifdef DEBUG_LM LMPrintPattern ( pLEDTask->gEventPatterns [lEventIndex] ) ; #endif /*if the PIO we want to use is currently indicating an event then do interrupt the event*/ MessageCancelAll ( &pLEDTask->task, lPrimaryLED ) ; MessageCancelAll ( &pLEDTask->task, lSecondaryLED ) ; /*cancel all led state indications*/ LedsIndicateNoState ( pLEDTask ) ; /* - need to set the LEDS to a known state before starting the pattern*/ LedsTurnOffLEDPair ( pLEDTask , pLEDTask->gEventPatterns[lEventIndex] , TRUE) ; /*now set up and start the event indication*/ LedsSetLedActivity ( &pLEDTask->gActiveLEDS[lPrimaryLED] , IT_EventIndication , lEventIndex , pLEDTask->gEventPatterns[lEventIndex]->DimTime ) ; /*Set the Alternative LED up with the same info*/ LedsSetLedActivity ( &pLEDTask->gActiveLEDS[lSecondaryLED] , IT_EventIndication , lEventIndex , pLEDTask->gEventPatterns[lEventIndex]->DimTime ) ; /*if we just want to set a pin as an output (numFlashes == 0) - then dont send a message*/ LED_DEBUG(("LM : NF[%x]\n" , pLEDTask->gEventPatterns [ lEventIndex ]->NumFlashes )) ; if ( pLEDTask->gEventPatterns [ lEventIndex ]->NumFlashes == 0 ) { /*set the pins on or off as required*/ if ( pLEDTask->gEventPatterns [ lEventIndex ]->OnTime > 0 ) { LED_DEBUG(("LM : PIO_ON\n")) ; LedsTurnOnLEDPair ( pLEDTask , pLEDTask->gEventPatterns [ lEventIndex ] , &pLEDTask->gActiveLEDS[lPrimaryLED] ) ; } else if ( pLEDTask->gEventPatterns [ lEventIndex ]->OffTime > 0 ) { LED_DEBUG(("LM : PIO_OFF\n")) ; LedsTurnOffLEDPair ( pLEDTask , pLEDTask->gEventPatterns [ lEventIndex ] ,TRUE) ; /*If we are turning a pin off the revert to state indication*/ LedsEventComplete ( pLEDTask, &pLEDTask->gActiveLEDS[lPrimaryLED] , &pLEDTask->gActiveLEDS[lSecondaryLED] ) ; } } else { /*start the pattern indication*/ /*All messages are handled via the primary LED*/ MessageSend (&pLEDTask->task , lPrimaryLED , 0 ) ; pLEDTask->gCurrentlyIndicatingEvent = TRUE ; } } /*****************************************************************************/ void LedsIndicateState ( LedTaskData * pLEDTask , headsetHfpState pState , headsetA2dpState pA2dpState ) { uint16 led_state = pState + (HEADSET_NUM_HFP_STATES * pA2dpState); LEDPattern_t * lPattern = pLEDTask->gStatePatterns[led_state] ; #ifdef DEBUG_LM LMPrintPattern( lPattern ) ; #endif LED_DEBUG(("LED: st[%x][%x]", pLEDTask->gActiveLEDS[lPattern->LED_A].Type , pLEDTask->gActiveLEDS[lPattern->LED_B].Type)) ; /*only indicate state if both leds we want to use are not currently indicating an event*/ if ( ( pLEDTask->gActiveLEDS[lPattern->LED_A].Type != IT_EventIndication ) && ( pLEDTask->gActiveLEDS[lPattern->LED_B].Type != IT_EventIndication ) ) { LED_DEBUG(("LED: IS : OK\n")) ; /*Find the LEDS that are set to indicate states and Cancel the messages, -do not want to indicate more than one state at a time*/ LedsIndicateNoState ( pLEDTask ) ; /*Set up the Active LED with the State we want to indicate*/ LedsSetLedActivity ( &pLEDTask->gActiveLEDS[lPattern->LED_A] , IT_StateIndication , led_state , lPattern->DimTime ) ; /*Set the Alternative LED up with the same info*/ LedsSetLedActivity ( &pLEDTask->gActiveLEDS[lPattern->LED_B] , IT_StateIndication , led_state ,lPattern->DimTime) ; /* - need to set the LEDS to a known state before starting the pattern*/ LedsTurnOffLEDPair ( pLEDTask , lPattern , TRUE ) ; LED_DEBUG(("LED: st2[%x][%x]", pLEDTask->gActiveLEDS[lPattern->LED_A].Type , pLEDTask->gActiveLEDS[lPattern->LED_B].Type)) ; /*Handle permanent output leds*/ if ( lPattern->NumFlashes == 0 ) { /*set the pins on or off as required*/ if ( lPattern->OnTime > 0 )