/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
/*This file is prepared for Doxygen automatic documentation generation.*/
/*! \file *********************************************************************
*
* \brief Timer/Counter driver for AVR32 UC3.
*
* AVR32 Timer/Counter driver module.
*
* - Compiler: IAR EWAVR32 and GNU GCC for AVR32
* - Supported devices: All AVR32 devices with a TC module can be used.
* - AppNote:
*
* \author Atmel Corporation: http://www.atmel.com \n
* Support and FAQ: http://support.atmel.no/
*
******************************************************************************/
/* Copyright (c) 2009 Atmel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an Atmel
* AVR product.
*
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
*
*/
#ifndef _TC_H_
#define _TC_H_
#include <avr32/io.h>
//! TC driver functions return value in case of invalid argument(s).
#define TC_INVALID_ARGUMENT (-1)
//! Number of timer/counter channels.
#define TC_NUMBER_OF_CHANNELS (sizeof(((avr32_tc_t *)0)->channel) / sizeof(avr32_tc_channel_t))
/*! \name External Clock Signal 0 Selection
*/
//! @{
#define TC_CH0_EXT_CLK0_SRC_TCLK0 AVR32_TC_TC0XC0S_TCLK0
#define TC_CH0_EXT_CLK0_SRC_NO_CLK AVR32_TC_TC0XC0S_NO_CLK
#define TC_CH0_EXT_CLK0_SRC_TIOA1 AVR32_TC_TC0XC0S_TIOA1
#define TC_CH0_EXT_CLK0_SRC_TIOA2 AVR32_TC_TC0XC0S_TIOA2
//! @}
/*! \name External Clock Signal 1 Selection
*/
//! @{
#define TC_CH1_EXT_CLK1_SRC_TCLK1 AVR32_TC_TC1XC1S_TCLK1
#define TC_CH1_EXT_CLK1_SRC_NO_CLK AVR32_TC_TC1XC1S_NO_CLK
#define TC_CH1_EXT_CLK1_SRC_TIOA0 AVR32_TC_TC1XC1S_TIOA0
#define TC_CH1_EXT_CLK1_SRC_TIOA2 AVR32_TC_TC1XC1S_TIOA2
//! @}
/*! \name External Clock Signal 2 Selection
*/
//! @{
#define TC_CH2_EXT_CLK2_SRC_TCLK2 AVR32_TC_TC2XC2S_TCLK2
#define TC_CH2_EXT_CLK2_SRC_NO_CLK AVR32_TC_TC2XC2S_NO_CLK
#define TC_CH2_EXT_CLK2_SRC_TIOA0 AVR32_TC_TC2XC2S_TIOA0
#define TC_CH2_EXT_CLK2_SRC_TIOA1 AVR32_TC_TC2XC2S_TIOA1
//! @}
/*! \name Event/Trigger Actions on Output
*/
//! @{
#define TC_EVT_EFFECT_NOOP AVR32_TC_NONE
#define TC_EVT_EFFECT_SET AVR32_TC_SET
#define TC_EVT_EFFECT_CLEAR AVR32_TC_CLEAR
#define TC_EVT_EFFECT_TOGGLE AVR32_TC_TOGGLE
//! @}
/*! \name RC Compare Trigger Enable
*/
//! @{
#define TC_NO_TRIGGER_COMPARE_RC 0
#define TC_TRIGGER_COMPARE_RC 1
//! @}
/*! \name Waveform Selection
*/
//! @{
#define TC_WAVEFORM_SEL_UP_MODE AVR32_TC_WAVSEL_UP_NO_AUTO
#define TC_WAVEFORM_SEL_UP_MODE_RC_TRIGGER AVR32_TC_WAVSEL_UP_AUTO
#define TC_WAVEFORM_SEL_UPDOWN_MODE AVR32_TC_WAVSEL_UPDOWN_NO_AUTO
#define TC_WAVEFORM_SEL_UPDOWN_MODE_RC_TRIGGER AVR32_TC_WAVSEL_UPDOWN_AUTO
//! @}
/*! \name TIOA or TIOB External Trigger Selection
*/
//! @{
#define TC_EXT_TRIG_SEL_TIOA 1
#define TC_EXT_TRIG_SEL_TIOB 0
//! @}
/*! \name External Event Selection
*/
//! @{
#define TC_EXT_EVENT_SEL_TIOB_INPUT AVR32_TC_EEVT_TIOB_INPUT
#define TC_EXT_EVENT_SEL_XC0_OUTPUT AVR32_TC_EEVT_XC0_OUTPUT
#define TC_EXT_EVENT_SEL_XC1_OUTPUT AVR32_TC_EEVT_XC1_OUTPUT
#define TC_EXT_EVENT_SEL_XC2_OUTPUT AVR32_TC_EEVT_XC2_OUTPUT
//! @}
/*! \name Edge Selection
*/
//! @{
#define TC_SEL_NO_EDGE AVR32_TC_EEVTEDG_NO_EDGE
#define TC_SEL_RISING_EDGE AVR32_TC_EEVTEDG_POS_EDGE
#define TC_SEL_FALLING_EDGE AVR32_TC_EEVTEDG_NEG_EDGE
#define TC_SEL_EACH_EDGE AVR32_TC_EEVTEDG_BOTH_EDGES
//! @}
/*! \name Burst Signal Selection
*/
//! @{
#define TC_BURST_NOT_GATED AVR32_TC_BURST_NOT_GATED
#define TC_BURST_CLK_AND_XC0 AVR32_TC_BURST_CLK_AND_XC0
#define TC_BURST_CLK_AND_XC1 AVR32_TC_BURST_CLK_AND_XC1
#define TC_BURST_CLK_AND_XC2 AVR32_TC_BURST_CLK_AND_XC2
//! @}
/*! \name Clock Invert
*/
//! @{
#define TC_CLOCK_RISING_EDGE 0
#define TC_CLOCK_FALLING_EDGE 1
//! @}
/*! \name Clock Selection
*/
//! @{
#define TC_CLOCK_SOURCE_TC1 AVR32_TC_TCCLKS_TIMER_CLOCK1
#define TC_CLOCK_SOURCE_TC2 AVR32_TC_TCCLKS_TIMER_CLOCK2
#define TC_CLOCK_SOURCE_TC3 AVR32_TC_TCCLKS_TIMER_CLOCK3
#define TC_CLOCK_SOURCE_TC4 AVR32_TC_TCCLKS_TIMER_CLOCK4
#define TC_CLOCK_SOURCE_TC5 AVR32_TC_TCCLKS_TIMER_CLOCK5
#define TC_CLOCK_SOURCE_XC0 AVR32_TC_TCCLKS_XC0
#define TC_CLOCK_SOURCE_XC1 AVR32_TC_TCCLKS_XC1
#define TC_CLOCK_SOURCE_XC2 AVR32_TC_TCCLKS_XC2
//! @}
//! Timer/counter interrupts.
typedef struct
{
unsigned int :24;
//! External trigger interrupt.
unsigned int etrgs : 1;
//! RB load interrupt.
unsigned int ldrbs : 1;
//! RA load interrupt.
unsigned int ldras : 1;
//! RC compare interrupt.
unsigned int cpcs : 1;
//! RB compare interrupt.
unsigned int cpbs : 1;
//! RA compare interrupt.
unsigned int cpas : 1;
//! Load overrun interrupt.
unsigned int lovrs : 1;
//! Counter overflow interrupt.
unsigned int covfs : 1;
} tc_interrupt_t;
//! Parameters when initializing a timer/counter in capture mode.
typedef struct
{
//! Channel to initialize.
unsigned int channel ;
unsigned int :12;
//! RB loading selection:\n
//! - \ref TC_SEL_NO_EDGE;\n
//! - \ref TC_SEL_RISING_EDGE;\n
//! - \ref TC_SEL_FALLING_EDGE;\n
//! - \ref TC_SEL_EACH_EDGE.
unsigned int ldrb : 2;
//! RA loading selection:\n
//! - \ref TC_SEL_NO_EDGE;\n
//! - \ref TC_SEL_RISING_EDGE;\n
//! - \ref TC_SEL_FALLING_EDGE;\n
//! - \ref TC_SEL_EACH_EDGE.
unsigned int ldra : 2;
unsigned int : 1;
//! RC compare trigger enable:\n
//! - \ref TC_NO_TRIGGER_COMPARE_RC;\n
//! - \ref TC_TRIGGER_COMPARE_RC.
unsigned int cpctrg : 1;
unsigned int : 3;
//! TIOA or TIOB external trigger selection:\n
//! - \ref TC_EXT_TRIG_SEL_TIOA;\n
//! - \ref TC_EXT_TRIG_SEL_TIOB.
unsigned int abetrg : 1;
//! External trigger edge selection:\n
//! - \ref TC_SEL_NO_EDGE;\n
//! - \ref TC_SEL_RISING_EDGE;\n
//! - \ref TC_SEL_FALLING_EDGE;\n
//! - \ref TC_SEL_EACH_EDGE.
unsigned int etrgedg : 2;
//! Counter clock disable with RB loading:\n
//! - \c FALSE;\n
//! - \c TRUE.
unsigned int ldbdis : 1;
//! Counter clock stopped with RB loading:\n
//! - \c FALSE;\n
//! - \c TRUE.
unsigned int ldbstop : 1;
//! Burst signal selection:\n
//! - \ref TC_BURST_NOT_GATED;\n
//! - \ref TC_BURST_CLK_AND_XC0;\n
//! - \ref TC_BURST_CLK_AND_XC1;\n
//! - \ref TC_BURST_CLK_AND_XC2.
unsigned int burst : 2;
//! Clock invert:\n
//! - \ref TC_CLOCK_RISING_EDGE;\n
//! - \ref TC_CLOCK_FALLING_EDGE.
unsigned int clki : 1;
//! Clock selection:\n
//! - \ref TC_CLOCK_SOURCE_TC1;\n
//! - \ref TC_CLOCK_SOURCE_TC2;\n
//! - \ref TC_CLOCK_SOURCE_TC3;\n
//! - \ref TC_CLOCK_SOURCE_TC4;\n
//! - \ref TC_CLOCK_SOURCE_TC5;\n
//! - \ref TC_CLOCK_SOURCE_XC0;\n
//! - \ref TC_CLOCK_SOURCE_XC1;\n
//! - \ref TC_CLOCK_SOURCE_XC2.
unsigned int tcclks : 3;
} tc_capture_opt_t;
//! Parameters when initializing a timer/counter in waveform mode.
typedef struct
{
//! Channel to initialize.
unsigned int channel ;
//! Software trigger effect on TIOB:\n
//! - \ref TC_EVT_EFFECT_NOOP;\n
//! - \ref TC_EVT_EFFECT_SET;\n
//! - \ref TC_EVT_EFFECT_CLEAR;\n
//! - \ref TC_EVT_EFFECT_TOGGLE.
unsigned int bswtrg : 2;
//! External event effect on TIOB:\n
//! - \ref TC_EVT_EFFECT_NOOP;\n
//! - \ref TC_EVT_EFFECT_SET;\n
//! - \ref TC_EVT_EFFECT_CLEAR;\n
//! - \ref TC_EVT_EFFECT_TOGGLE.
unsigned int beevt : 2;
//! RC compare effect on TIOB:\n
//! - \ref TC_EVT_EFFECT_NOOP;\n
//! - \ref TC_EVT_EFFECT_SET;\n
//! - \ref TC_EVT_EFFECT_CLEAR;\n
//! - \ref TC_EVT_EFFECT_TOGGLE.
unsigned int bcpc : 2;
//! RB compare effect on TIOB:\n
//! - \ref TC_EVT_EFFECT_NOOP;\n
//! - \ref TC_EVT_EFFECT_SET;\n
//! - \ref TC_EVT_EFFECT_CLEAR;\n
//! - \ref TC_EVT_EFFECT_TOGGLE.
unsigned int bcpb : 2;
//! Software trigger effect on TIOA:\n
//! - \ref TC_EVT_EFFECT_NOOP;\n
//! - \ref TC_EVT_EFFECT_SET;\n
//! - \ref TC_EVT_EFFECT_CLEAR;\n
//! - \ref TC_EVT_EFFECT_TOGGLE.
unsigned int aswtrg : 2;
//! External event effect on TIOA:\n
//! - \ref TC_EVT_EFFECT_NOOP;\n
//! - \ref TC_EVT_EFFECT_SET;\n
//! - \ref TC_EVT_EFFECT_CLEAR;\n
//! - \ref TC_EVT_EFFECT_TOGGLE.
unsigned int aeevt : 2;
//! RC compare effect on TIOA:\n
//! - \ref TC_EVT_EFFECT_NOOP;\n
//! - \ref TC_EVT_EFFECT_SET;\n
//! - \ref TC_EVT_EFFECT_CLEAR;\n
//! - \ref TC_EVT_EFFECT_TOGGLE.
unsigned int acpc : 2;
//! RA compare effect on TIOA:\n
//! - \ref TC_EVT_EFFECT_NOOP;\n
//! - \ref TC_EVT_EFFECT_SET;\n
//! - \ref TC_EVT_EFFECT_CLEAR;\n
//! - \ref TC_EVT_EFFECT_TOGGLE.
unsigned int acpa : 2;
unsigned int : 1;
//! Waveform selection:\n
//! - \ref TC_WAVEFORM_SEL_UP_MODE;\n
//! - \ref TC_WAVEFORM_SEL_UP_MODE_RC_TRIGGER;\n
//! - \ref TC_WAVEFORM_SEL_UPDOWN_MODE;\n
//! - \ref TC_WAVEFORM_SEL_UPDOWN_MODE_RC_TRIGGER.
unsigned int wavsel : 2;
//! External event trigger enable:\n
//! - \c FALSE;\n
//! - \c TRUE.
unsigned int enetrg : 1;
//! External event selection:\n
//! - \ref TC_EXT_EVENT_SEL_TIOB_INPUT;\n
//! - \ref TC_EXT_EVENT_SEL_XC0_OUTPUT;\n
//! - \ref TC_EXT_EVENT_SEL_XC1_OUTPUT;\n
//! - \ref TC_EXT_EVENT_SEL_XC2_OUTPUT.
unsigned int eevt : 2;
//! External event edge selection:\n
//! - \ref TC_SEL_NO_EDGE;\n
//! - \ref TC_SEL_RISING_EDGE;\n
//! - \ref TC_SEL_FALLING_EDGE;\n
//! - \ref TC_SEL_EACH_EDGE.
unsigned int eevtedg : 2;
//! Counter clock disable with RC compare:\n
//! - \c FALSE;\n
//! - \c TRUE.
unsigned int cpcdis : 1;
//! Counter clock stopped with RC compare:\n
//! - \c FALSE;\n
//! - \c TRUE.
unsigned int cpcstop : 1;
//! Burst signal selection:\n
//! - \ref TC_BURST_NOT_GATED;\n
//! - \ref TC_BURST_CLK_AND_XC0;\n
//! - \ref TC_BURST_CLK_AND_XC1;\n
//! - \ref TC_BURST_CLK_AND_XC2.
unsigned int burst : 2;
//! Clock invert:\n
//! - \ref TC_CLOCK_RISING_EDGE;\n
//! - \ref TC_CLOCK_FALLING_EDGE.
unsigned int clki : 1;
//! Clock selection:\n
//! - \ref TC_CLOCK_SOURCE_TC1;\n
//! - \ref TC_CLOCK_SOURCE_TC2;\n
//! - \ref TC_CLOCK_SOURCE_TC3;\n
//! - \ref TC_CLOCK_SOURCE_TC4;\n
//! - \ref TC_CLOCK_SOURCE_TC5;\n
//! - \ref TC_CLOCK_SOURCE_XC0;\n
//! - \ref TC_CLOCK_SOURCE_XC1;\n
//! - \ref TC_CLOCK_SOURCE_XC2.
unsigned int tcclks : 3;
} tc_waveform_opt_t;
/*! \brief Reads timer/counter interrupt settings.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
*
* \retval >=0 The interrupt enable configuration organized according to \ref tc_interrupt_t.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_get_interrupt_settings(volatile avr32_tc_t *tc, unsigned int channel);
/*! \brief Enables various timer/counter interrupts.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
* \param bitfield The interrupt enable configuration.
*
* \retval 0 Success.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_configure_interrupts(volatile avr32_tc_t *tc, unsigned int channel, const tc_interrupt_t *bitfield);
/*! \brief Selects which external clock to use and how to configure it.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
* \param ext_clk_sig_src External clock signal selection:
* \arg \c TC_CH0_EXT_CLK0_SRC_TCLK0;
* \arg \c TC_CH0_EXT_CLK0_SRC_NO_CLK;
* \arg \c TC_CH0_EXT_CLK0_SRC_TIOA1;
* \arg \c TC_CH0_EXT_CLK0_SRC_TIOA2;
* \arg \c TC_CH1_EXT_CLK1_SRC_TCLK1;
* \arg \c TC_CH1_EXT_CLK1_SRC_NO_CLK;
* \arg \c TC_CH1_EXT_CLK1_SRC_TIOA0;
* \arg \c TC_CH1_EXT_CLK1_SRC_TIOA2;
* \arg \c TC_CH2_EXT_CLK2_SRC_TCLK2;
* \arg \c TC_CH2_EXT_CLK2_SRC_NO_CLK;
* \arg \c TC_CH2_EXT_CLK2_SRC_TIOA0;
* \arg \c TC_CH2_EXT_CLK2_SRC_TIOA1.
*
* \retval 0 Success.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_select_external_clock(volatile avr32_tc_t *tc, unsigned int channel, unsigned int ext_clk_sig_src);
/*! \brief Sets options for timer/counter capture initialization.
*
* \param tc Pointer to the TC instance to access.
* \param opt Options for capture mode.
*
* \retval 0 Success.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_init_capture(volatile avr32_tc_t *tc, const tc_capture_opt_t *opt);
/*! \brief Sets options for timer/counter waveform initialization.
*
* \param tc Pointer to the TC instance to access.
* \param opt Options for waveform generation.
*
* \retval 0 Success.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_init_waveform(volatile avr32_tc_t *tc, const tc_waveform_opt_t *opt);
/*! \brief Starts a timer/counter.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
*
* \retval 0 Success.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_start(volatile avr32_tc_t *tc, unsigned int channel);
/*! \brief Stops a timer/counter.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
*
* \retval 0 Success.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_stop(volatile avr32_tc_t *tc, unsigned int channel);
/*! \brief Performs a software trigger: the counter is reset and the clock is started.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
*
* \retval 0 Success.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_software_trigger(volatile avr32_tc_t *tc, unsigned int channel);
/*! \brief Asserts a SYNC signal to generate a software trigger and reset all channels.
*
* \param tc Pointer to the TC instance to access.
*/
extern void tc_sync_trigger(volatile avr32_tc_t *tc);
/*! \brief Start all TC channels simultaneously.
*
* \param tc Pointer to the TC instance to access.
*/
extern void tc_sync_start(volatile avr32_tc_t *tc);
/*! \brief Reads the status register.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
*
* \retval >=0 Status register value.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_read_sr(volatile avr32_tc_t *tc, unsigned int channel);
/*! \brief Reads the channel's TC counter and returns the value.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
*
* \retval >=0 TC counter value.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_read_tc(volatile avr32_tc_t *tc, unsigned int channel);
/*! \brief Reads the channel's RA register and returns the value.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
*
* \retval >=0 RA register value.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_read_ra(volatile avr32_tc_t *tc, unsigned int channel);
/*! \brief Reads the channel's RB register and returns the value.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
*
* \retval >=0 RB register value.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_read_rb(volatile avr32_tc_t *tc, unsigned int channel);
/*! \brief Reads the channel's RC register and returns the value.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
*
* \retval >=0 RC register value.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_read_rc(volatile avr32_tc_t *tc, unsigned int channel);
/*! \brief Writes a value to the channel's RA register.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
* \param value Value to write to the RA register.
*
* \retval >=0 Written value.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_write_ra(volatile avr32_tc_t *tc, unsigned int channel, unsigned short value);
/*! \brief Writes a value to the channel's RB register.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
* \param value Value to write to the RB register.
*
* \retval >=0 Written value.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_write_rb(volatile avr32_tc_t *tc, unsigned int channel, unsigned short value);
/*! \brief Writes a value to the channel's RC register.
*
* \param tc Pointer to the TC instance to access.
* \param channel The TC instance channel to access.
* \param value Value to write to the RC register.
*
* \retval >=0 Written value.
* \retval TC_INVALID_ARGUMENT Invalid argument(s).
*/
extern int tc_write_rc(volatile avr32_tc_t *tc, unsigned int channel, unsigned short value);
#endif // _TC_H_