smart-green-house/project_ZigBee/Components/hal/target/CC2530EB/hal_led.c

519 lines
16 KiB
C
Raw Permalink Normal View History

2023-10-28 18:00:47 +08:00
/**************************************************************************************************
Filename: hal_led.c
Revised: $Date: 2012-02-14 12:43:32 -0800 (Tue, 14 Feb 2012) $
Revision: $Revision: 29281 $
Description: This file contains the interface to the HAL LED Service.
Copyright 2006-2012 Texas Instruments Incorporated. All rights reserved.
IMPORTANT: Your use of this Software is limited to those specific rights
granted under the terms of a software license agreement between the user
who downloaded the software, his/her employer (which must be your employer)
and Texas Instruments Incorporated (the "License"). You may not use this
Software unless you agree to abide by the terms of the License. The License
limits your use, and you acknowledge, that the Software may not be modified,
copied or distributed unless embedded on a Texas Instruments microcontroller
or used solely and exclusively in conjunction with a Texas Instruments radio
frequency transceiver, which is integrated into your product. Other than for
the foregoing purpose, you may not use, reproduce, copy, prepare derivative
works of, modify, distribute, perform, display or sell this Software and/or
its documentation for any purpose.
YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE
PROVIDED <EFBFBD>AS IS<EFBFBD> WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED,
INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, TITLE,
NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL
TEXAS INSTRUMENTS OR ITS LICENSORS BE LIABLE OR OBLIGATED UNDER CONTRACT,
NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, BREACH OF WARRANTY, OR OTHER
LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT DAMAGES OR EXPENSES
INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, INDIRECT, PUNITIVE
OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF PROCUREMENT
OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY CLAIMS BY THIRD PARTIES
(INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), OR OTHER SIMILAR COSTS.
Should you have any questions regarding your right to use this Software,
contact Texas Instruments Incorporated at www.TI.com.
**************************************************************************************************/
/***************************************************************************************************
* INCLUDES
***************************************************************************************************/
#include "hal_mcu.h"
#include "hal_defs.h"
#include "hal_types.h"
#include "hal_drivers.h"
#include "hal_led.h"
#include "osal.h"
#include "hal_board.h"
/***************************************************************************************************
* CONSTANTS
***************************************************************************************************/
/***************************************************************************************************
* MACROS
***************************************************************************************************/
/***************************************************************************************************
* TYPEDEFS
***************************************************************************************************/
/* LED control structure */
typedef struct {
uint8 mode; /* Operation mode */
uint8 todo; /* Blink cycles left */
uint8 onPct; /* On cycle percentage */
uint16 time; /* On/off cycle time (msec) */
uint32 next; /* Time for next change */
} HalLedControl_t;
typedef struct
{
HalLedControl_t HalLedControlTable[HAL_LED_DEFAULT_MAX_LEDS];
uint8 sleepActive;
} HalLedStatus_t;
/***************************************************************************************************
* GLOBAL VARIABLES
***************************************************************************************************/
static uint8 HalLedState; // LED state at last set/clr/blink update
#if HAL_LED == TRUE
static uint8 HalSleepLedState; // LED state at last set/clr/blink update
static uint8 preBlinkState; // Original State before going to blink mode
// bit 0, 1, 2, 3 represent led 0, 1, 2, 3
#endif
#ifdef BLINK_LEDS
static HalLedStatus_t HalLedStatusControl;
#endif
/***************************************************************************************************
* LOCAL FUNCTION
***************************************************************************************************/
#if (HAL_LED == TRUE)
void HalLedUpdate (void);
void HalLedOnOff (uint8 leds, uint8 mode);
#endif /* HAL_LED */
/***************************************************************************************************
* FUNCTIONS - API
***************************************************************************************************/
/***************************************************************************************************
* @fn HalLedInit
*
* @brief Initialize LED Service
*
* @param init - pointer to void that contains the initialized value
*
* @return None
***************************************************************************************************/
void HalLedInit (void)
{
#if (HAL_LED == TRUE)
/* Initialize all LEDs to OFF */
HalLedSet (HAL_LED_ALL, HAL_LED_MODE_OFF);
#endif /* HAL_LED */
#ifdef BLINK_LEDS
/* Initialize sleepActive to FALSE */
HalLedStatusControl.sleepActive = FALSE;
#endif
}
/***************************************************************************************************
* @fn HalLedSet
*
* @brief Tun ON/OFF/TOGGLE given LEDs
*
* @param led - bit mask value of leds to be turned ON/OFF/TOGGLE
* mode - BLINK, FLASH, TOGGLE, ON, OFF
* @return None
***************************************************************************************************/
uint8 HalLedSet (uint8 leds, uint8 mode)
{
#if (defined (BLINK_LEDS)) && (HAL_LED == TRUE)
uint8 led;
HalLedControl_t *sts;
switch (mode)
{
case HAL_LED_MODE_BLINK:
/* Default blink, 1 time, D% duty cycle */
HalLedBlink (leds, 1, HAL_LED_DEFAULT_DUTY_CYCLE, HAL_LED_DEFAULT_FLASH_TIME);
break;
case HAL_LED_MODE_FLASH:
/* Default flash, N times, D% duty cycle */
HalLedBlink (leds, HAL_LED_DEFAULT_FLASH_COUNT, HAL_LED_DEFAULT_DUTY_CYCLE, HAL_LED_DEFAULT_FLASH_TIME);
break;
case HAL_LED_MODE_ON:
case HAL_LED_MODE_OFF:
case HAL_LED_MODE_TOGGLE:
led = HAL_LED_1;
leds &= HAL_LED_ALL;
sts = HalLedStatusControl.HalLedControlTable;
while (leds)
{
if (leds & led)
{
if (mode != HAL_LED_MODE_TOGGLE)
{
sts->mode = mode; /* ON or OFF */
}
else
{
sts->mode ^= HAL_LED_MODE_ON; /* Toggle */
}
HalLedOnOff (led, sts->mode);
leds ^= led;
}
led <<= 1;
sts++;
}
break;
default:
break;
}
#elif (HAL_LED == TRUE)
LedOnOff(leds, mode);
#else
// HAL LED is disabled, suppress unused argument warnings
(void) leds;
(void) mode;
#endif /* BLINK_LEDS && HAL_LED */
return ( HalLedState );
}
/***************************************************************************************************
* @fn HalLedBlink
*
* @brief Blink the leds
*
* @param leds - bit mask value of leds to be blinked
* numBlinks - number of blinks
* percent - the percentage in each period where the led
* will be on
* period - length of each cycle in milliseconds
*
* @return None
***************************************************************************************************/
void HalLedBlink (uint8 leds, uint8 numBlinks, uint8 percent, uint16 period)
{
#if (defined (BLINK_LEDS)) && (HAL_LED == TRUE)
uint8 led;
HalLedControl_t *sts;
if (leds && percent && period)
{
if (percent < 100)
{
led = HAL_LED_1;
leds &= HAL_LED_ALL;
sts = HalLedStatusControl.HalLedControlTable;
while (leds)
{
if (leds & led)
{
/* Store the current state of the led before going to blinking if not already blinking */
if(sts->mode < HAL_LED_MODE_BLINK )
preBlinkState |= (led & HalLedState);
sts->mode = HAL_LED_MODE_OFF; /* Stop previous blink */
sts->time = period; /* Time for one on/off cycle */
sts->onPct = percent; /* % of cycle LED is on */
sts->todo = numBlinks; /* Number of blink cycles */
if (!numBlinks) sts->mode |= HAL_LED_MODE_FLASH; /* Continuous */
sts->next = osal_GetSystemClock(); /* Start now */
sts->mode |= HAL_LED_MODE_BLINK; /* Enable blinking */
leds ^= led;
}
led <<= 1;
sts++;
}
// Cancel any overlapping timer for blink events
osal_stop_timerEx(Hal_TaskID, HAL_LED_BLINK_EVENT);
osal_set_event (Hal_TaskID, HAL_LED_BLINK_EVENT);
}
else
{
HalLedSet (leds, HAL_LED_MODE_ON); /* >= 100%, turn on */
}
}
else
{
HalLedSet (leds, HAL_LED_MODE_OFF); /* No on time, turn off */
}
#elif (HAL_LED == TRUE)
percent = (leds & HalLedState) ? HAL_LED_MODE_OFF : HAL_LED_MODE_ON;
HalLedOnOff (leds, percent); /* Toggle */
#else
// HAL LED is disabled, suppress unused argument warnings
(void) leds;
(void) numBlinks;
(void) percent;
(void) period;
#endif /* BLINK_LEDS && HAL_LED */
}
#if (HAL_LED == TRUE)
/***************************************************************************************************
* @fn HalLedUpdate
*
* @brief Update leds to work with blink
*
* @param none
*
* @return none
***************************************************************************************************/
void HalLedUpdate (void)
{
uint8 led;
uint8 pct;
uint8 leds;
HalLedControl_t *sts;
uint32 time;
uint16 next;
uint16 wait;
next = 0;
led = HAL_LED_1;
leds = HAL_LED_ALL;
sts = HalLedStatusControl.HalLedControlTable;
/* Check if sleep is active or not */
if (!HalLedStatusControl.sleepActive)
{
while (leds)
{
if (leds & led)
{
if (sts->mode & HAL_LED_MODE_BLINK)
{
time = osal_GetSystemClock();
if (time >= sts->next)
{
if (sts->mode & HAL_LED_MODE_ON)
{
pct = 100 - sts->onPct; /* Percentage of cycle for off */
sts->mode &= ~HAL_LED_MODE_ON; /* Say it's not on */
HalLedOnOff (led, HAL_LED_MODE_OFF); /* Turn it off */
if (!(sts->mode & HAL_LED_MODE_FLASH))
{
sts->todo--; /* Not continuous, reduce count */
}
}
else if ( (!sts->todo) && !(sts->mode & HAL_LED_MODE_FLASH) )
{
sts->mode ^= HAL_LED_MODE_BLINK; /* No more blinks */
}
else
{
pct = sts->onPct; /* Percentage of cycle for on */
sts->mode |= HAL_LED_MODE_ON; /* Say it's on */
HalLedOnOff (led, HAL_LED_MODE_ON); /* Turn it on */
}
if (sts->mode & HAL_LED_MODE_BLINK)
{
wait = (((uint32)pct * (uint32)sts->time) / 100);
sts->next = time + wait;
}
else
{
/* no more blink, no more wait */
wait = 0;
/* After blinking, set the LED back to the state before it blinks */
HalLedSet (led, ((preBlinkState & led)!=0)?HAL_LED_MODE_ON:HAL_LED_MODE_OFF);
/* Clear the saved bit */
preBlinkState &= (led ^ 0xFF);
}
}
else
{
wait = sts->next - time; /* Time left */
}
if (!next || ( wait && (wait < next) ))
{
next = wait;
}
}
leds ^= led;
}
led <<= 1;
sts++;
}
if (next)
{
osal_start_timerEx(Hal_TaskID, HAL_LED_BLINK_EVENT, next); /* Schedule event */
}
}
}
/***************************************************************************************************
* @fn HalLedOnOff
*
* @brief Turns specified LED ON or OFF
*
* @param leds - LED bit mask
* mode - LED_ON,LED_OFF,
*
* @return none
***************************************************************************************************/
void HalLedOnOff (uint8 leds, uint8 mode)
{
if (leds & HAL_LED_1)
{
if (mode == HAL_LED_MODE_ON)
{
HAL_TURN_ON_LED1();
}
else
{
HAL_TURN_OFF_LED1();
}
}
if (leds & HAL_LED_2)
{
if (mode == HAL_LED_MODE_ON)
{
HAL_TURN_ON_LED2();
}
else
{
HAL_TURN_OFF_LED2();
}
}
if (leds & HAL_LED_3)
{
if (mode == HAL_LED_MODE_ON)
{
HAL_TURN_ON_LED3();
}
else
{
HAL_TURN_OFF_LED3();
}
}
if (leds & HAL_LED_4)
{
if (mode == HAL_LED_MODE_ON)
{
HAL_TURN_ON_LED4();
}
else
{
HAL_TURN_OFF_LED4();
}
}
/* Remember current state */
if (mode)
{
HalLedState |= leds;
}
else
{
HalLedState &= (leds ^ 0xFF);
}
}
#endif /* HAL_LED */
/***************************************************************************************************
* @fn HalGetLedState
*
* @brief Dim LED2 - Dim (set level) of LED2
*
* @param none
*
* @return led state
***************************************************************************************************/
uint8 HalLedGetState ()
{
#if (HAL_LED == TRUE)
return HalLedState;
#else
return 0;
#endif
}
/***************************************************************************************************
* @fn HalLedEnterSleep
*
* @brief Store current LEDs state before sleep
*
* @param none
*
* @return none
***************************************************************************************************/
void HalLedEnterSleep( void )
{
#ifdef BLINK_LEDS
/* Sleep ON */
HalLedStatusControl.sleepActive = TRUE;
#endif /* BLINK_LEDS */
#if (HAL_LED == TRUE)
/* Save the state of each led */
HalSleepLedState = 0;
HalSleepLedState |= HAL_STATE_LED1();
HalSleepLedState |= HAL_STATE_LED2() << 1;
HalSleepLedState |= HAL_STATE_LED3() << 2;
HalSleepLedState |= HAL_STATE_LED4() << 3;
/* TURN OFF all LEDs to save power */
HalLedOnOff (HAL_LED_ALL, HAL_LED_MODE_OFF);
#endif /* HAL_LED */
}
/***************************************************************************************************
* @fn HalLedExitSleep
*
* @brief Restore current LEDs state after sleep
*
* @param none
*
* @return none
***************************************************************************************************/
void HalLedExitSleep( void )
{
#if (HAL_LED == TRUE)
/* Load back the saved state */
HalLedOnOff(HalSleepLedState, HAL_LED_MODE_ON);
/* Restart - This takes care BLINKING LEDS */
HalLedUpdate();
#endif /* HAL_LED */
#ifdef BLINK_LEDS
/* Sleep OFF */
HalLedStatusControl.sleepActive = FALSE;
#endif /* BLINK_LEDS */
}
/***************************************************************************************************
***************************************************************************************************/