diff options
Diffstat (limited to 'firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/TC')
| -rw-r--r-- | firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/TC/tc.c | 314 | ||||
| -rw-r--r-- | firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/TC/tc.h | 591 |
2 files changed, 0 insertions, 905 deletions
diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/TC/tc.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/TC/tc.c deleted file mode 100644 index 225642e..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/TC/tc.c +++ /dev/null @@ -1,314 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/*This file is prepared for Doxygen automatic documentation generation.*/ -/*! \file ********************************************************************* - * - * \brief TC 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 - * - */ - -#include <avr32/io.h> -#include "compiler.h" -#include "tc.h" - - -int tc_get_interrupt_settings(volatile avr32_tc_t *tc, unsigned int channel) -{ - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - return tc->channel[channel].imr; -} - - -int tc_configure_interrupts(volatile avr32_tc_t *tc, unsigned int channel, const tc_interrupt_t *bitfield) -{ - Bool global_interrupt_enabled = Is_global_interrupt_enabled(); - - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - // Enable the appropriate interrupts. - tc->channel[channel].ier = bitfield->etrgs << AVR32_TC_ETRGS_OFFSET | - bitfield->ldrbs << AVR32_TC_LDRBS_OFFSET | - bitfield->ldras << AVR32_TC_LDRAS_OFFSET | - bitfield->cpcs << AVR32_TC_CPCS_OFFSET | - bitfield->cpbs << AVR32_TC_CPBS_OFFSET | - bitfield->cpas << AVR32_TC_CPAS_OFFSET | - bitfield->lovrs << AVR32_TC_LOVRS_OFFSET | - bitfield->covfs << AVR32_TC_COVFS_OFFSET; - - // Disable the appropriate interrupts. - if (global_interrupt_enabled) Disable_global_interrupt(); - tc->channel[channel].idr = (~bitfield->etrgs & 1) << AVR32_TC_ETRGS_OFFSET | - (~bitfield->ldrbs & 1) << AVR32_TC_LDRBS_OFFSET | - (~bitfield->ldras & 1) << AVR32_TC_LDRAS_OFFSET | - (~bitfield->cpcs & 1) << AVR32_TC_CPCS_OFFSET | - (~bitfield->cpbs & 1) << AVR32_TC_CPBS_OFFSET | - (~bitfield->cpas & 1) << AVR32_TC_CPAS_OFFSET | - (~bitfield->lovrs & 1) << AVR32_TC_LOVRS_OFFSET | - (~bitfield->covfs & 1) << AVR32_TC_COVFS_OFFSET; - tc->channel[channel].sr; - if (global_interrupt_enabled) Enable_global_interrupt(); - - return 0; -} - - -int tc_select_external_clock(volatile avr32_tc_t *tc, unsigned int channel, unsigned int ext_clk_sig_src) -{ - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS || ext_clk_sig_src >= 1 << AVR32_TC_BMR_TC0XC0S_SIZE) - return TC_INVALID_ARGUMENT; - - // Clear bit-field and set the correct behavior. - tc->bmr = (tc->bmr & ~(AVR32_TC_BMR_TC0XC0S_MASK << (channel * AVR32_TC_BMR_TC0XC0S_SIZE))) | - (ext_clk_sig_src << (channel * AVR32_TC_BMR_TC0XC0S_SIZE)); - - return 0; -} - - -int tc_init_capture(volatile avr32_tc_t *tc, const tc_capture_opt_t *opt) -{ - // Check for valid input. - if (opt->channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - // MEASURE SIGNALS: Capture operating mode. - tc->channel[opt->channel].cmr = opt->ldrb << AVR32_TC_LDRB_OFFSET | - opt->ldra << AVR32_TC_LDRA_OFFSET | - 0 << AVR32_TC_WAVE_OFFSET | - opt->cpctrg << AVR32_TC_CPCTRG_OFFSET | - opt->abetrg << AVR32_TC_ABETRG_OFFSET | - opt->etrgedg << AVR32_TC_ETRGEDG_OFFSET| - opt->ldbdis << AVR32_TC_LDBDIS_OFFSET | - opt->ldbstop << AVR32_TC_LDBSTOP_OFFSET | - opt->burst << AVR32_TC_BURST_OFFSET | - opt->clki << AVR32_TC_CLKI_OFFSET | - opt->tcclks << AVR32_TC_TCCLKS_OFFSET; - - return 0; -} - - -int tc_init_waveform(volatile avr32_tc_t *tc, const tc_waveform_opt_t *opt) -{ - // Check for valid input. - if (opt->channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - // GENERATE SIGNALS: Waveform operating mode. - tc->channel[opt->channel].cmr = opt->bswtrg << AVR32_TC_BSWTRG_OFFSET | - opt->beevt << AVR32_TC_BEEVT_OFFSET | - opt->bcpc << AVR32_TC_BCPC_OFFSET | - opt->bcpb << AVR32_TC_BCPB_OFFSET | - opt->aswtrg << AVR32_TC_ASWTRG_OFFSET | - opt->aeevt << AVR32_TC_AEEVT_OFFSET | - opt->acpc << AVR32_TC_ACPC_OFFSET | - opt->acpa << AVR32_TC_ACPA_OFFSET | - 1 << AVR32_TC_WAVE_OFFSET | - opt->wavsel << AVR32_TC_WAVSEL_OFFSET | - opt->enetrg << AVR32_TC_ENETRG_OFFSET | - opt->eevt << AVR32_TC_EEVT_OFFSET | - opt->eevtedg << AVR32_TC_EEVTEDG_OFFSET | - opt->cpcdis << AVR32_TC_CPCDIS_OFFSET | - opt->cpcstop << AVR32_TC_CPCSTOP_OFFSET | - opt->burst << AVR32_TC_BURST_OFFSET | - opt->clki << AVR32_TC_CLKI_OFFSET | - opt->tcclks << AVR32_TC_TCCLKS_OFFSET; - - return 0; -} - - -int tc_start(volatile avr32_tc_t *tc, unsigned int channel) -{ - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - // Enable, reset and start the selected timer/counter channel. - tc->channel[channel].ccr = AVR32_TC_SWTRG_MASK | AVR32_TC_CLKEN_MASK; - - return 0; -} - - -int tc_stop(volatile avr32_tc_t *tc, unsigned int channel) -{ - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - // Disable the selected timer/counter channel. - tc->channel[channel].ccr = AVR32_TC_CLKDIS_MASK; - - return 0; -} - - -int tc_software_trigger(volatile avr32_tc_t *tc, unsigned int channel) -{ - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - // Reset the selected timer/counter channel. - tc->channel[channel].ccr = AVR32_TC_SWTRG_MASK; - - return 0; -} - - -void tc_sync_trigger(volatile avr32_tc_t *tc) -{ - // Reset all channels of the selected timer/counter. - tc->bcr = AVR32_TC_BCR_SYNC_MASK; -} - - -void tc_sync_start(volatile avr32_tc_t *tc) -{ - unsigned int i; - // Enable the clock for each channel. - for(i=0; i<TC_NUMBER_OF_CHANNELS;i++) - tc->channel[i].ccr = AVR32_TC_CLKEN_MASK; - - // Reset all channels of the selected timer/counter. - tc->bcr = AVR32_TC_BCR_SYNC_MASK; -} - - -int tc_read_sr(volatile avr32_tc_t *tc, unsigned int channel) -{ - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - return tc->channel[channel].sr; -} - - -int tc_read_tc(volatile avr32_tc_t *tc, unsigned int channel) -{ - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - return Rd_bitfield(tc->channel[channel].cv, AVR32_TC_CV_MASK); -} - - -int tc_read_ra(volatile avr32_tc_t *tc, unsigned int channel) -{ - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - return Rd_bitfield(tc->channel[channel].ra, AVR32_TC_RA_MASK); -} - - -int tc_read_rb(volatile avr32_tc_t *tc, unsigned int channel) -{ - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - return Rd_bitfield(tc->channel[channel].rb, AVR32_TC_RB_MASK); -} - - -int tc_read_rc(volatile avr32_tc_t *tc, unsigned int channel) -{ - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - return Rd_bitfield(tc->channel[channel].rc, AVR32_TC_RC_MASK); -} - - -int tc_write_ra(volatile avr32_tc_t *tc, unsigned int channel, unsigned short value) -{ - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - // This function is only available in WAVEFORM mode. - if (Tst_bits(tc->channel[channel].cmr, AVR32_TC_WAVE_MASK)) - Wr_bitfield(tc->channel[channel].ra, AVR32_TC_RA_MASK, value); - - return value; -} - - -int tc_write_rb(volatile avr32_tc_t *tc, unsigned int channel, unsigned short value) -{ - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - // This function is only available in WAVEFORM mode. - if (Tst_bits(tc->channel[channel].cmr, AVR32_TC_WAVE_MASK)) - Wr_bitfield(tc->channel[channel].rb, AVR32_TC_RB_MASK, value); - - return value; -} - - -int tc_write_rc(volatile avr32_tc_t *tc, unsigned int channel, unsigned short value) -{ - // Check for valid input. - if (channel >= TC_NUMBER_OF_CHANNELS) - return TC_INVALID_ARGUMENT; - - // This function is only available in WAVEFORM mode. - if (Tst_bits(tc->channel[channel].cmr, AVR32_TC_WAVE_MASK)) - Wr_bitfield(tc->channel[channel].rc, AVR32_TC_RC_MASK, value); - - return value; -} diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/TC/tc.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/TC/tc.h deleted file mode 100644 index 45ef4f2..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/TC/tc.h +++ /dev/null @@ -1,591 +0,0 @@ -/* 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_ |