-
-/**
- * \file
- *
- * \brief SAM TC
- *
- * Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.
- *
- * \asf_license_start
- *
- * \page License
- *
- * Subject to your compliance with these terms, you may use Microchip
- * software and any derivatives exclusively with Microchip products.
- * It is your responsibility to comply with third party license terms applicable
- * to your use of third party software (including open source software) that
- * may accompany Microchip software.
- *
- * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
- * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
- * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
- * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
- * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
- * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
- * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
- * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
- * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
- * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
- * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
- *
- * \asf_license_stop
- *
- */
-
-#include <hpl_pwm.h>
-#include <hpl_tc_config.h>
-#include <hpl_timer.h>
-#include <utils.h>
-#include <utils_assert.h>
-#include <hpl_tc_base.h>
-
-#ifndef CONF_TC0_ENABLE
-#define CONF_TC0_ENABLE 0
-#endif
-#ifndef CONF_TC1_ENABLE
-#define CONF_TC1_ENABLE 0
-#endif
-#ifndef CONF_TC2_ENABLE
-#define CONF_TC2_ENABLE 0
-#endif
-#ifndef CONF_TC3_ENABLE
-#define CONF_TC3_ENABLE 0
-#endif
-#ifndef CONF_TC4_ENABLE
-#define CONF_TC4_ENABLE 0
-#endif
-#ifndef CONF_TC5_ENABLE
-#define CONF_TC5_ENABLE 0
-#endif
-#ifndef CONF_TC6_ENABLE
-#define CONF_TC6_ENABLE 0
-#endif
-#ifndef CONF_TC7_ENABLE
-#define CONF_TC7_ENABLE 0
-#endif
-
-/**
- * \brief Macro is used to fill usart configuration structure based on its
- * number
- *
- * \param[in] n The number of structures
- */
-#define TC_CONFIGURATION(n) \
- { \
- n, TC##n##_IRQn, \
- TC_CTRLA_MODE(CONF_TC##n##_MODE) | TC_CTRLA_PRESCSYNC(CONF_TC##n##_PRESCSYNC) \
- | (CONF_TC##n##_RUNSTDBY << TC_CTRLA_RUNSTDBY_Pos) | (CONF_TC##n##_ONDEMAND << TC_CTRLA_ONDEMAND_Pos) \
- | TC_CTRLA_PRESCALER(CONF_TC##n##_PRESCALER) | (CONF_TC##n##_ALOCK << TC_CTRLA_ALOCK_Pos), \
- (CONF_TC##n##_OVFEO << TC_EVCTRL_OVFEO_Pos) | (CONF_TC##n##_TCEI << TC_EVCTRL_TCEI_Pos) \
- | (CONF_TC##n##_TCINV << TC_EVCTRL_TCINV_Pos) | (CONF_TC##n##_EVACT << TC_EVCTRL_EVACT_Pos) \
- | (CONF_TC##n##_MCEO0 << TC_EVCTRL_MCEO0_Pos) | (CONF_TC##n##_MCEO1 << TC_EVCTRL_MCEO1_Pos), \
- (CONF_TC##n##_DBGRUN << TC_DBGCTRL_DBGRUN_Pos), CONF_TC##n##_PER, CONF_TC##n##_CC0, CONF_TC##n##_CC1, \
- }
-/**
- * \brief TC configuration type
- */
-struct tc_configuration {
- uint8_t number;
- IRQn_Type irq;
- hri_tc_ctrla_reg_t ctrl_a;
- hri_tc_evctrl_reg_t event_ctrl;
- hri_tc_dbgctrl_reg_t dbg_ctrl;
- hri_tccount8_per_reg_t per;
- hri_tccount32_cc_reg_t cc0;
- hri_tccount32_cc_reg_t cc1;
-};
-
-/**
- * \brief Array of TC configurations
- */
-static struct tc_configuration _tcs[] = {
-#if CONF_TC0_ENABLE == 1
- TC_CONFIGURATION(0),
-#endif
-#if CONF_TC1_ENABLE == 1
- TC_CONFIGURATION(1),
-#endif
-#if CONF_TC2_ENABLE == 1
- TC_CONFIGURATION(2),
-#endif
-#if CONF_TC3_ENABLE == 1
- TC_CONFIGURATION(3),
-#endif
-#if CONF_TC4_ENABLE == 1
- TC_CONFIGURATION(4),
-#endif
-#if CONF_TC5_ENABLE == 1
- TC_CONFIGURATION(5),
-#endif
-#if CONF_TC6_ENABLE == 1
- TC_CONFIGURATION(6),
-#endif
-#if CONF_TC7_ENABLE == 1
- TC_CONFIGURATION(7),
-#endif
-};
-/**
- * \brief Set of pointer to hal_pwm helper functions
- */
-static struct _pwm_hpl_interface _tc_pwm_functions = {
- _tc_pwm_init,
- _tc_pwm_deinit,
- _tc_start_pwm,
- _tc_stop_pwm,
- _tc_set_pwm_param,
- _tc_is_pwm_enabled,
- _tc_pwm_get_period,
- _tc_pwm_get_duty,
- _tc_pwm_set_irq_state,
-};
-
-static struct _pwm_device *_tc3_dev = NULL;
-
-static int8_t get_tc_index(const void *const hw);
-static void _tc_init_irq_param(const void *const hw, void *dev);
-static inline uint8_t _get_hardware_offset(const void *const hw);
-/**
- * \brief Initialize TC for PWM mode
- */
-int32_t _tc_pwm_init(struct _pwm_device *const device, void *const hw)
-{
- int8_t i = get_tc_index(hw);
- device->hw = hw;
-
- if (!hri_tc_is_syncing(hw, TC_SYNCBUSY_SWRST)) {
- if (hri_tc_get_CTRLA_reg(hw, TC_CTRLA_ENABLE)) {
- hri_tc_clear_CTRLA_ENABLE_bit(hw);
- hri_tc_wait_for_sync(hw, TC_SYNCBUSY_ENABLE);
- }
- hri_tc_write_CTRLA_reg(hw, TC_CTRLA_SWRST);
- }
- hri_tc_wait_for_sync(hw, TC_SYNCBUSY_SWRST);
-
- hri_tc_write_CTRLA_reg(hw, _tcs[i].ctrl_a);
- hri_tc_write_DBGCTRL_reg(hw, _tcs[i].dbg_ctrl);
- hri_tc_write_EVCTRL_reg(hw, _tcs[i].event_ctrl);
- hri_tc_write_WAVE_reg(hw, TC_WAVE_WAVEGEN_MPWM_Val);
-
- if ((_tcs[i].ctrl_a & TC_CTRLA_MODE_Msk) == TC_CTRLA_MODE_COUNT32) {
- hri_tccount32_write_CC_reg(hw, 0, _tcs[i].cc0);
- hri_tccount32_write_CC_reg(hw, 1, _tcs[i].cc1);
- } else if ((_tcs[i].ctrl_a & TC_CTRLA_MODE_Msk) == TC_CTRLA_MODE_COUNT16) {
- hri_tccount16_write_CC_reg(hw, 0, (uint16_t)_tcs[i].cc0);
- hri_tccount16_write_CC_reg(hw, 1, (uint16_t)_tcs[i].cc1);
- } else {
- /* 8-bit resolution is not accepted by duty cycle control */
- return -1;
- }
-
- _tc_init_irq_param(hw, (void *)device);
- NVIC_DisableIRQ(_tcs[i].irq);
- NVIC_ClearPendingIRQ(_tcs[i].irq);
- NVIC_EnableIRQ(_tcs[i].irq);
-
- return 0;
-}
-/**
- * \brief De-initialize TC for PWM mode
- */
-void _tc_pwm_deinit(struct _pwm_device *const device)
-{
- void *const hw = device->hw;
- int8_t i = get_tc_index(hw);
- ASSERT(ARRAY_SIZE(_tcs));
-
- NVIC_DisableIRQ(_tcs[i].irq);
-
- hri_tc_clear_CTRLA_ENABLE_bit(hw);
- hri_tc_set_CTRLA_SWRST_bit(hw);
-}
-/**
- * \brief Start PWM
- */
-void _tc_start_pwm(struct _pwm_device *const device)
-{
- hri_tc_set_CTRLA_ENABLE_bit(device->hw);
-}
-/**
- * \brief Stop PWM
- */
-void _tc_stop_pwm(struct _pwm_device *const device)
-{
- hri_tc_clear_CTRLA_ENABLE_bit(device->hw);
-}
-/**
- * \brief Set PWM parameter
- */
-void _tc_set_pwm_param(struct _pwm_device *const device, const pwm_period_t period, const pwm_period_t duty_cycle)
-{
- void *const hw = device->hw;
- int8_t i = get_tc_index(hw);
-
- _tcs[i].cc0 = period;
- _tcs[i].cc1 = duty_cycle;
- if ((_tcs[i].ctrl_a & TC_CTRLA_MODE_Msk) == TC_CTRLA_MODE_COUNT32) {
- hri_tccount32_write_CC_reg(hw, 0, _tcs[i].cc0);
- hri_tccount32_write_CC_reg(hw, 1, _tcs[i].cc1);
- } else {
- hri_tccount16_write_CC_reg(hw, 0, _tcs[i].cc0);
- hri_tccount16_write_CC_reg(hw, 1, _tcs[i].cc1);
- }
-}
-/**
- * \brief Get pwm waveform period value
- */
-pwm_period_t _tc_pwm_get_period(const struct _pwm_device *const device)
-{
- void *const hw = device->hw;
- int8_t i = get_tc_index(hw);
-
- if ((_tcs[i].ctrl_a & TC_CTRLA_MODE_Msk) == TC_CTRLA_MODE_COUNT32) {
- return (pwm_period_t)(hri_tccount32_read_CC_reg(hw, 0));
- } else {
- return (pwm_period_t)(hri_tccount16_read_CC_reg(hw, 0));
- }
-}
-/**
- * \brief Get pwm waveform duty cycle
- */
-uint32_t _tc_pwm_get_duty(const struct _pwm_device *const device)
-{
- void *const hw = device->hw;
- int8_t i = get_tc_index(hw);
- uint32_t per;
- uint32_t duty_cycle;
-
- if ((_tcs[i].ctrl_a & TC_CTRLA_MODE_Msk) == TC_CTRLA_MODE_COUNT32) {
- per = hri_tccount32_read_CC_reg(hw, 0);
- duty_cycle = hri_tccount32_read_CC_reg(hw, 1);
- } else {
- per = hri_tccount16_read_CC_reg(hw, 0);
- duty_cycle = hri_tccount16_read_CC_reg(hw, 1);
- }
-
- return ((duty_cycle * 1000) / per);
-}
-/**
- * \brief Check if PWM is running
- */
-bool _tc_is_pwm_enabled(const struct _pwm_device *const device)
-{
- return hri_tc_get_CTRLA_ENABLE_bit(device->hw);
-}
-/**
- * \brief Enable/disable PWM interrupt
- */
-void _tc_pwm_set_irq_state(struct _pwm_device *const device, const enum _pwm_callback_type type, const bool disable)
-{
- ASSERT(device);
-
- if (PWM_DEVICE_PERIOD_CB == type) {
- hri_tc_write_INTEN_OVF_bit(device->hw, disable);
- } else if (PWM_DEVICE_ERROR_CB == type) {
- hri_tc_write_INTEN_ERR_bit(device->hw, disable);
- }
-}
-
-/**
- * \brief Retrieve timer helper functions
- */
-struct _timer_hpl_interface *_tc_get_timer(void)
-{
- return NULL;
-}
-
-/**
- * \brief Retrieve pwm helper functions
- */
-struct _pwm_hpl_interface *_tc_get_pwm(void)
-{
- return &_tc_pwm_functions;
-}
-/**
- * \internal TC interrupt handler for PWM
- *
- * \param[in] instance TC instance number
- */
-static void tc_pwm_interrupt_handler(struct _pwm_device *device)
-{
- void *const hw = device->hw;
-
- if (hri_tc_get_interrupt_OVF_bit(hw)) {
- hri_tc_clear_interrupt_OVF_bit(hw);
- if (NULL != device->callback.pwm_period_cb) {
- device->callback.pwm_period_cb(device);
- }
- }
- if (hri_tc_get_INTEN_ERR_bit(hw)) {
- hri_tc_clear_interrupt_ERR_bit(hw);
- if (NULL != device->callback.pwm_error_cb) {
- device->callback.pwm_error_cb(device);
- }
- }
-}
-
-/**
- * \brief TC interrupt handler
- */
-void TC3_Handler(void)
-{
- tc_pwm_interrupt_handler(_tc3_dev);
-}
-
-/**
- * \internal Retrieve TC index
- *
- * \param[in] hw The pointer to hardware instance
- *
- * \return The index of TC configuration
- */
-static int8_t get_tc_index(const void *const hw)
-{
- uint8_t index = _get_hardware_offset(hw);
- uint8_t i;
-
- for (i = 0; i < ARRAY_SIZE(_tcs); i++) {
- if (_tcs[i].number == index) {
- return i;
- }
- }
-
- ASSERT(false);
- return -1;
-}
-
-/**
- * \brief Init irq param with the given tc hardware instance
- */
-static void _tc_init_irq_param(const void *const hw, void *dev)
-{
- if (hw == TC3) {
- _tc3_dev = (struct _pwm_device *)dev;
- }
-}
-
-/**
- * \internal Retrieve TC hardware index
- *
- * \param[in] hw The pointer to hardware instance
- */
-static inline uint8_t _get_hardware_offset(const void *const hw)
-{
- return (((uint32_t)hw - (uint32_t)TC0) >> 10);
-}
-/**
- * \file
- *
- * \brief SAM Timer/Counter
- *
- * Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.
- *
- * \asf_license_start
- *
- * \page License
- *
- * Subject to your compliance with these terms, you may use Microchip
- * software and any derivatives exclusively with Microchip products.
- * It is your responsibility to comply with third party license terms applicable
- * to your use of third party software (including open source software) that
- * may accompany Microchip software.
- *
- * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
- * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
- * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
- * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
- * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
- * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
- * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
- * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
- * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
- * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
- * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
- *
- * \asf_license_stop
- */
-
-#ifndef _HPL_TC_BASE_H_INCLUDED
-#define _HPL_TC_BASE_H_INCLUDED
-
-#include <hpl_timer.h>
-#include <hpl_pwm.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * \addtogroup tc_group TC Hardware Proxy Layer
- *
- * \section tc_hpl_rev Revision History
- * - v0.0.0.1 Initial Commit
- *
- *@{
- */
-
-/**
- * \name HPL functions
- */
-//@{
-
-/**
- * \brief Retrieve timer helper functions
- *
- * \return A pointer to set of timer helper functions
- */
-struct _timer_hpl_interface *_tc_get_timer(void);
-/**
- * \brief Initialize TC for PWM
- *
- * This function does low level TC configuration.
- *
- * \param[in] device The pointer to TC device instance
- * \param[in] hw The pointer to hardware instance
- *
- * \return Initialization status.
- */
-int32_t _tc_pwm_init(struct _pwm_device *const device, void *const hw);
-
-/**
- * \brief De-initialize TC for PWM
- *
- * \param[in] device The pointer to TC device instance
- */
-void _tc_pwm_deinit(struct _pwm_device *const device);
-
-/**
- * \brief Retrieve offset of the given tc hardware instance
- *
- * \param[in] device The pointer to TC device instance
- *
- * \return The offset of the given tc hardware instance
- */
-uint8_t _tc_pwm_get_hardware_offset(const struct _pwm_device *const device);
-
-/**
- * \brief Start PWM
- *
- * \param[in] device The pointer to TC device instance
- */
-void _tc_start_pwm(struct _pwm_device *const device);
-
-/**
- * \brief Stop PWM
- *
- * \param[in] device The pointer to TC device instance
- */
-void _tc_stop_pwm(struct _pwm_device *const device);
-
-/**
- * \brief Check if PWM is running
- *
- * \param[in] device The pointer to TC device instance
- *
- * \return Check status.
- * \retval true The given timer is running
- * \retval false The given timer is not running
- */
-bool _tc_is_pwm_enabled(const struct _pwm_device *const device);
-
-/**
- * \brief Set PWM parameter
- * \param[in] device The pointer to TC device instance
- * \param[in] period Total period of one PWM cycle.
- * \param[in] duty_cycle Period of PWM first half during one cycle.
- */
-void _tc_set_pwm_param(struct _pwm_device *const device, const pwm_period_t period, const pwm_period_t duty_cycle);
-
-/**
- * \brief Get pwm waveform period value
- * \param[in] device The pointer to TC device instance
- * \return Period value.
- */
-pwm_period_t _tc_pwm_get_period(const struct _pwm_device *const device);
-
-/**
- * \brief Get pwm waveform duty cycle value
- * \param[in] device The pointer to TC device instance
- * \return Duty cycle value
- */
-uint32_t _tc_pwm_get_duty(const struct _pwm_device *const device);
-
-/**
- * \brief Enable/disable PWM interrupt
- *
- * param[in] device The pointer to PWM device instance
- * param[in] type The type of interrupt to disable/enable if applicable
- * param[in] disable Enable or disable
- */
-void _tc_pwm_set_irq_state(struct _pwm_device *const device, const enum _pwm_callback_type type, const bool disable);
-
-/**
- * \brief Retrieve pwm helper functions
- *
- * \return A pointer to set of pwm helper functions
- */
-struct _pwm_hpl_interface *_tc_get_pwm(void);
-
-//@}
-/**@}*/
-
-#ifdef __cplusplus
-}
-#endif
-#endif /* _HPL_TC_BASE_H_INCLUDED */
-/**
- * \file
- *
- * \brief SAM TCC
- *
- * Copyright (c) 2014-2019 Microchip Technology Inc. and its subsidiaries.
- *
- * \asf_license_start
- *
- * \page License
- *
- * Subject to your compliance with these terms, you may use Microchip
- * software and any derivatives exclusively with Microchip products.
- * It is your responsibility to comply with third party license terms applicable
- * to your use of third party software (including open source software) that
- * may accompany Microchip software.
- *
- * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
- * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
- * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
- * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
- * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
- * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
- * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
- * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
- * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
- * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
- * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
- *
- * \asf_license_stop
- *
- */
-
-#include <compiler.h>
-#include <hpl_pwm.h>
-#include <hpl_tcc.h>
-#include <hpl_tcc_config.h>
-#include <hpl_timer.h>
-#include <utils.h>
-#include <utils_assert.h>
-
-/**
- * \brief TCC configuration type
- */
-struct tcc_cfg {
- void * hw; /*!< instance of TCC */
- IRQn_Type irq;
- hri_tcc_ctrla_reg_t ctrl_a;
- hri_tcc_ctrlbset_reg_t ctrl_b;
- hri_tcc_dbgctrl_reg_t dbg_ctrl;
- hri_tcc_evctrl_reg_t event_ctrl;
- hri_tcc_cc_reg_t cc0;
- hri_tcc_cc_reg_t cc1;
- hri_tcc_cc_reg_t cc2;
- hri_tcc_cc_reg_t cc3;
- hri_tcc_per_reg_t per;
-};
-/**
- * \brief pwm configuration type
- */
-struct tcc_pwm_cfg {
- void * hw; /*!< instance of TCC */
- IRQn_Type irq;
- uint8_t sel_ch;
- uint32_t period;
- uint32_t duty_cycle;
- uint32_t wave;
-};
-
-/**
- * \internal Retrieve configuration
- *
- * \param[in] hw The pointer of TCC base address
- *
- * \return The configuration
- */
-static struct tcc_cfg *_get_tcc_cfg(void *hw);
-
-/**
- * \brief Array of TCC configurations
- */
-static struct tcc_cfg _cfgs[1] = {
- {(void *)TCC0,
- TCC0_IRQn,
- CONF_TCC0_CTRLA,
- CONF_TCC0_CTRLB,
- CONF_TCC0_DBGCTRL,
- CONF_TCC0_EVCTRL,
- CONF_TCC0_CC0,
- CONF_TCC0_CC1,
- CONF_TCC0_CC2,
- CONF_TCC0_CC3,
- CONF_TCC0_PER},
-};
-
-/**
- * \internal Retrieve configuration
- *
- * \param[in] hw The pointer of TCC base address
- *
- * \return The configuration
- */
-static struct tcc_pwm_cfg *_get_tcc_pwm_cfg(void *hw);
-
-/**
- * \brief Array of PWM configurations
- */
-static struct tcc_pwm_cfg _cfgs_pwm[1] = {
- {(void *)TCC0,
- TCC0_IRQn,
- CONF_TCC0_SEL_CH,
- CONF_TCC0_PER_REG,
- CONF_TCC0_CCX_REG,
- (CONF_TCC0_WAVEGEN << TCC_WAVE_WAVEGEN_Pos)},
-};
-/* Renamed access REG name PERB -> PERBUF */
-#define hri_tcc_write_PERB_reg hri_tcc_write_PERBUF_reg
-#define hri_tcc_read_PERB_reg hri_tcc_read_PERBUF_reg
-
-/** Renamed access REG name CCB -> CCBUF */
-#define hri_tcc_write_CCB_reg hri_tcc_write_CCBUF_reg
-#define hri_tcc_read_CCB_reg hri_tcc_read_CCBUF_reg
-
-static struct _pwm_device *_tcc0_dev = NULL;
-
-/**
- * \brief Set of pointer to hal_pwm helper functions
- */
-static struct _pwm_hpl_interface _tcc_pwm_functions = {
- _tcc_pwm_init,
- _tcc_pwm_deinit,
- _tcc_start_pwm,
- _tcc_stop_pwm,
- _tcc_set_pwm_param,
- _tcc_is_pwm_enabled,
- _tcc_pwm_get_period,
- _tcc_pwm_get_duty,
- _tcc_pwm_set_irq_state,
-};
-
-/**
- * \brief Init irq param with the given tcc hardware instance
- */
-static void _tcc_init_irq_param(const void *const hw, void *dev)
-{
- if (hw == TCC0) {
- _tcc0_dev = (struct _pwm_device *)dev;
- }
-}
-/**
- * \brief Initialize TCC for PWM mode
- */
-int32_t _tcc_pwm_init(struct _pwm_device *const device, void *const hw)
-{
- struct tcc_cfg *cfg = _get_tcc_cfg(hw);
- if (cfg == NULL) {
- return ERR_NOT_FOUND;
- }
- struct tcc_pwm_cfg *cfg_pwm = _get_tcc_pwm_cfg(hw);
- if (cfg_pwm == NULL) {
- return ERR_NOT_FOUND;
- }
-
- device->hw = hw;
-
- if (!hri_tcc_is_syncing(hw, TCC_SYNCBUSY_SWRST)) {
- if (hri_tcc_get_CTRLA_reg(hw, TCC_CTRLA_ENABLE)) {
- hri_tcc_clear_CTRLA_ENABLE_bit(hw);
- hri_tcc_wait_for_sync(hw, TCC_SYNCBUSY_ENABLE);
- }
- hri_tcc_write_CTRLA_reg(hw, TCC_CTRLA_SWRST);
- }
- hri_tcc_wait_for_sync(hw, TCC_SYNCBUSY_SWRST);
-
- hri_tcc_write_CTRLA_reg(hw, cfg->ctrl_a);
- hri_tcc_set_CTRLB_reg(hw, cfg->ctrl_b);
- hri_tcc_write_DBGCTRL_reg(hw, cfg->dbg_ctrl);
- hri_tcc_write_EVCTRL_reg(hw, cfg->event_ctrl);
-
- hri_tcc_write_WAVE_reg(hw, cfg_pwm->wave);
- hri_tcc_write_PER_reg(hw, cfg_pwm->period);
- cfg->per = cfg_pwm->period;
- switch (cfg_pwm->sel_ch) {
- case 0:
- cfg->cc0 = cfg_pwm->duty_cycle;
- hri_tcc_write_CC_reg(hw, 0, cfg->cc0);
- break;
- case 1:
- cfg->cc1 = cfg_pwm->duty_cycle;
- hri_tcc_write_CC_reg(hw, 1, cfg->cc1);
- break;
- case 2:
- cfg->cc2 = cfg_pwm->duty_cycle;
- hri_tcc_write_CC_reg(hw, 2, cfg->cc2);
- break;
- case 3:
- cfg->cc3 = cfg_pwm->duty_cycle;
- hri_tcc_write_CC_reg(hw, 3, cfg->cc3);
- break;
- default:
- return ERR_NO_RESOURCE;
- break;
- }
- hri_tcc_clear_CTRLB_LUPD_bit(hw);
-
- _tcc_init_irq_param(hw, (void *)device);
- NVIC_DisableIRQ((IRQn_Type)cfg_pwm->irq);
- NVIC_ClearPendingIRQ((IRQn_Type)cfg_pwm->irq);
- NVIC_EnableIRQ((IRQn_Type)cfg_pwm->irq);
-
- return ERR_NONE;
-}
-/**
- * \brief De-initialize TCC for PWM mode
- */
-void _tcc_pwm_deinit(struct _pwm_device *const device)
-{
- void *const hw = device->hw;
- struct tcc_pwm_cfg *cfg_pwm = _get_tcc_pwm_cfg(hw);
- if (cfg_pwm != NULL) {
- NVIC_DisableIRQ((IRQn_Type)cfg_pwm->irq);
- hri_tcc_clear_CTRLA_ENABLE_bit(hw);
- hri_tcc_set_CTRLA_SWRST_bit(hw);
- }
-}
-/**
- * \brief Start PWM
- */
-void _tcc_start_pwm(struct _pwm_device *const device)
-{
- hri_tcc_set_CTRLA_ENABLE_bit(device->hw);
-}
-/**
- * \brief Stop PWM
- */
-void _tcc_stop_pwm(struct _pwm_device *const device)
-{
- hri_tcc_clear_CTRLA_ENABLE_bit(device->hw);
-}
-/**
- * \brief Set PWM parameter
- */
-void _tcc_set_pwm_param(struct _pwm_device *const device, const pwm_period_t period, const pwm_period_t duty_cycle)
-{
- void *const hw = device->hw;
- struct tcc_pwm_cfg *cfg_pwm = _get_tcc_pwm_cfg(hw);
- if (cfg_pwm != NULL) {
- hri_tcc_write_PERB_reg(hw, period);
- hri_tcc_write_CCB_reg(hw, cfg_pwm->sel_ch, duty_cycle);
- ;
- }
-}
-/**
- * \brief Get pwm waveform period value
- */
-pwm_period_t _tcc_pwm_get_period(const struct _pwm_device *const device)
-{
- return (pwm_period_t)(hri_tcc_read_PERB_reg(device->hw));
-}
-/**
- * \brief Get pwm waveform duty cycle
- */
-uint32_t _tcc_pwm_get_duty(const struct _pwm_device *const device)
-{
- void *const hw = device->hw;
- struct tcc_pwm_cfg *cfg_pwm = _get_tcc_pwm_cfg(hw);
- if (cfg_pwm == NULL) {
- return ERR_NOT_FOUND;
- }
- uint32_t per = hri_tcc_read_PERB_reg(hw);
- uint32_t duty_cycle = hri_tcc_read_CCB_reg(hw, cfg_pwm->sel_ch);
-
- return ((duty_cycle * 1000) / per);
-}
-/**
- * \brief Check if PWM is running
- */
-bool _tcc_is_pwm_enabled(const struct _pwm_device *const device)
-{
- return hri_tcc_get_CTRLA_ENABLE_bit(device->hw);
-}
-/**
- * \brief Enable/disable PWM interrupt
- */
-void _tcc_pwm_set_irq_state(struct _pwm_device *const device, const enum _pwm_callback_type type, const bool disable)
-{
- ASSERT(device);
-
- if (PWM_DEVICE_PERIOD_CB == type) {
- hri_tcc_write_INTEN_OVF_bit(device->hw, disable);
- } else if (PWM_DEVICE_ERROR_CB == type) {
- hri_tcc_write_INTEN_ERR_bit(device->hw, disable);
- }
-}
-
-/**
- * \brief Retrieve timer helper functions
- */
-struct _timer_hpl_interface *_tcc_get_timer(void)
-{
- return NULL;
-}
-
-/**
- * \brief Retrieve pwm helper functions
- */
-struct _pwm_hpl_interface *_tcc_get_pwm(void)
-{
- return &_tcc_pwm_functions;
-}
-/**
- * \internal TC interrupt handler for PWM
- *
- * \param[in] instance TC instance number
- */
-static void tcc_pwm_interrupt_handler(struct _pwm_device *device)
-{
- void *const hw = device->hw;
-
- if (hri_tcc_get_interrupt_OVF_bit(hw)) {
- hri_tcc_clear_interrupt_OVF_bit(hw);
- if (NULL != device->callback.pwm_period_cb) {
- device->callback.pwm_period_cb(device);
- }
- }
- if (hri_tcc_get_INTEN_ERR_bit(hw)) {
- hri_tcc_clear_interrupt_ERR_bit(hw);
- if (NULL != device->callback.pwm_error_cb) {
- device->callback.pwm_error_cb(device);
- }
- }
-}
-
-
-static struct tcc_cfg *_get_tcc_cfg(void *hw)
-{
- uint8_t i;
-
- for (i = 0; i < ARRAY_SIZE(_cfgs); i++) {
- if (_cfgs[i].hw == hw) {
- return &(_cfgs[i]);
- }
- }
- return NULL;
-}
-
-static struct tcc_pwm_cfg *_get_tcc_pwm_cfg(void *hw)
-{
- uint8_t i;
-
- for (i = 0; i < ARRAY_SIZE(_cfgs_pwm); i++) {
- if (_cfgs_pwm[i].hw == hw) {
- return &(_cfgs_pwm[i]);
- }
- }
- return NULL;
-}
-/**
- * \file
- *
- * \brief SAM Timer/Counter for Control Applications
- *
- * Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.
- *
- * \asf_license_start
- *
- * \page License
- *
- * Subject to your compliance with these terms, you may use Microchip
- * software and any derivatives exclusively with Microchip products.
- * It is your responsibility to comply with third party license terms applicable
- * to your use of third party software (including open source software) that
- * may accompany Microchip software.
- *
- * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
- * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
- * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
- * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
- * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
- * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
- * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
- * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
- * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
- * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
- * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
- *
- * \asf_license_stop
- */
-
-#ifndef _HPL_TCC_V101_BASE_H_INCLUDED
-#define _HPL_TCC_V101_BASE_H_INCLUDED
-
-#include <hpl_timer.h>
-#include <hpl_pwm.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * \addtogroup tcc_group TCC Low Level Driver Helpers
- *
- * \section tcc_helpers_rev Revision History
- * - v0.0.0.1 Initial Commit
- *
- *@{
- */
-
-/**
- * \name HPL functions
- */
-//@{
-
-/**
- * \brief Retrieve timer helper functions
- *
- * \return A pointer to set of timer helper functions
- */
-struct _timer_hpl_interface *_tcc_get_timer(void);
-/**
- * \brief Initialize TCC for PWM
- *
- * This function does low level TCC configuration.
- *
- * \param[in] device The pointer to PWM device instance
- * \param[in] hw The pointer to hardware instance
- *
- * \return Initialization status.
- */
-int32_t _tcc_pwm_init(struct _pwm_device *const device, void *const hw);
-
-/**
- * \brief De-initialize TCC for PWM
- *
- * \param[in] device The pointer to TCC device instance
- */
-void _tcc_pwm_deinit(struct _pwm_device *const device);
-
-/**
- * \brief Retrieve offset of the given tcc hardware instance
- *
- * \param[in] device The pointer to TCC device instance
- *
- * \return The offset of the given tcc hardware instance
- */
-uint8_t _tcc_pwm_get_hardware_offset(const struct _pwm_device *const device);
-
-/**
- * \brief Start PWM
- *
- * \param[in] device The pointer to TCC device instance
- */
-void _tcc_start_pwm(struct _pwm_device *const device);
-
-/**
- * \brief Stop PWM
- *
- * \param[in] device The pointer to TCC device instance
- */
-void _tcc_stop_pwm(struct _pwm_device *const device);
-
-/**
- * \brief Check if PWM is running
- *
- * \param[in] device The pointer to TCC device instance
- *
- * \return Check status.
- * \retval true The given pwm is running
- * \retval false The given pwm is not running
- */
-bool _tcc_is_pwm_enabled(const struct _pwm_device *const device);
-
-/**
- * \brief Set PWM parameter
- * \param[in] device The pointer to TCC device instance
- * \param[in] period Total period of one PWM cycle.
- * \param[in] duty_cycle Period of PWM first half during one cycle.
- */
-void _tcc_set_pwm_param(struct _pwm_device *const device, const pwm_period_t period, const pwm_period_t duty_cycle);
-
-/**
- * \brief Get pwm waveform period value
- * \param[in] device The pointer to TCC device instance
- * \return Period value.
- */
-pwm_period_t _tcc_pwm_get_period(const struct _pwm_device *const device);
-
-/**
- * \brief Get pwm waveform duty cycle value
- * \param[in] device The pointer to TCC device instance
- * \return Duty cycle value
- */
-uint32_t _tcc_pwm_get_duty(const struct _pwm_device *const device);
-
-/**
- * \brief Enable/disable PWM interrupt
- *
- * param[in] device The pointer to PWM device instance
- * param[in] type The type of interrupt to disable/enable if applicable
- * param[in] disable Enable or disable
- */
-void _tcc_pwm_set_irq_state(struct _pwm_device *const device, const enum _pwm_callback_type type, const bool disable);
-
-/**
- * \brief Retrieve pwm helper functions
- *
- * \return A pointer to set of pwm helper functions
- */
-struct _pwm_hpl_interface *_tcc_get_pwm(void);
-
-//@}
-/**@}*/
-
-#ifdef __cplusplus
-}
-#endif
-#endif /* _HPL_TCC_V101_BASE_H_INCLUDED */
projects / sensor-watch.git / commitdiff