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author | joeycastillo <joeycastillo@utexas.edu> | 2021-08-30 14:42:11 -0400 |
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committer | GitHub <noreply@github.com> | 2021-08-30 14:42:11 -0400 |
commit | eb3d9b26cbda2d2612f11eb39843b221224f1fa7 (patch) | |
tree | 7a514b4d21dd0d2a324a5e1313a144f26bf20799 /watch-library/hpl/tc/hpl_tc.c | |
parent | ee9cc322d301631c9ff0751d9bed717c6492b6a5 (diff) | |
parent | b0845cc3f1a8234a30c980eccf10e44765e4e105 (diff) | |
download | Sensor-Watch-eb3d9b26cbda2d2612f11eb39843b221224f1fa7.tar.gz Sensor-Watch-eb3d9b26cbda2d2612f11eb39843b221224f1fa7.tar.bz2 Sensor-Watch-eb3d9b26cbda2d2612f11eb39843b221224f1fa7.zip |
Merge pull request #9 from joeycastillo/usb-refactor
USB refactor / Makefile simplification
Diffstat (limited to 'watch-library/hpl/tc/hpl_tc.c')
-rw-r--r-- | watch-library/hpl/tc/hpl_tc.c | 374 |
1 files changed, 0 insertions, 374 deletions
diff --git a/watch-library/hpl/tc/hpl_tc.c b/watch-library/hpl/tc/hpl_tc.c index 38fa8938..e69de29b 100644 --- a/watch-library/hpl/tc/hpl_tc.c +++ b/watch-library/hpl/tc/hpl_tc.c @@ -1,374 +0,0 @@ - -/** - * \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); -} |