diff options
Diffstat (limited to 'firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/TC/tc.c')
| -rw-r--r-- | firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/TC/tc.c | 314 |
1 files changed, 0 insertions, 314 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; -} |