359 lines
13 KiB
C
359 lines
13 KiB
C
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/****************************************************************************
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*
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* Copy right: 2017-, Copyrigths of EigenComm Ltd.
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* File name: timer.h
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* Description: EC718 timer driver header file
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* History:
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*
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****************************************************************************/
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#ifndef _TIMER_EC7XX_H
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#define _TIMER_EC7XX_H
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#include "ec7xx.h"
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#include "Driver_Common.h"
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/**
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\addtogroup timer_interface_gr
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\{
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*/
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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#define PWM_RESOLUTION_RATIO 800
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/** \brief List of TIMER clock source */
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typedef enum
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{
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TIMER_INTERNAL_CLOCK = 0U, /**< Internal clock */
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TIMER_EXTERNAL_CLOCK = 1U, /**< External clock */
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} TimerClockSource_e;
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/** \brief List of TIMER match value select */
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typedef enum
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{
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TIMER_MATCH0_SELECT = 0U, /**< Select Match0 */
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TIMER_MATCH1_SELECT = 1U, /**< Select Match1 */
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TIMER_MATCH2_SELECT = 2U, /**< Select Match2 */
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} TimerMatchSelect_e;
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/** \brief List of TIMER reload option, counter will be reloaded to init value upon reach it */
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typedef enum
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{
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TIMER_RELOAD_DISABLE = 0U, /**< Counter will run freely */
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TIMER_RELOAD_ON_MATCH0 = 1U, /**< Counter will be reloaded on reaching match0 value */
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TIMER_RELOAD_ON_MATCH1 = 2U, /**< Counter will be reloaded on reaching match1 value */
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TIMER_RELOAD_ON_MATCH2 = 3U, /**< Counter will be reloaded on reaching match1 value */
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} TimerReloadOption_e;
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/** \brief List of Capture mode control */
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typedef enum
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{
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TIMER_CAPTURE_MODE_DISABLE = 0U, /**< Disable caputure mode */
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TIMER_CAPTURE_MODE_ENABLE = 1U, /**< Enable capture mode */
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} TimerCaptureModeControl_e;
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/** \brief List of Capture edge option */
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typedef enum
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{
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TIMER_CAPTURE_RISING_EDGE = 0U, /**< Caputure Rising edge */
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TIMER_CAPTURE_FALLING_EDGE = 1U, /**< Caputure falling edge */
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TIMER_CAPTURE_BOTH_EDGE = 2U, /**< Caputure both edges */
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} TimerCaptureEdge_e;
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/** \brief List of PWM stop option, controls pwm output level(high,low or holds current level)when stopped */
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typedef enum
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{
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TIMER_PWM_STOP_LOW = 0U, /**< Push pwm output low when stopped */
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TIMER_PWM_STOP_HIGH = 1U, /**< Push pwm output high when stopped */
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TIMER_PWM_STOP_HOLD = 2U, /**< Hold current output level when stopped */
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} TimerPwmStopOption_e;
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#if defined(TIMER_IP_VERSION_B1)
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/** \brief List of PWM duty cycle update mode */
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typedef enum
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{
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TIMER_PWM_DC_IMMEDIATE_UPDATE = 0U, /**< Duty cycle value is updated immediate */
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TIMER_PWM_DC_DEFERRED_UPDATE = 1U, /**< Duty cycle value is buffered and updated at the end of PWM period which brings out smoother pwm waveform */
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} TimerPwmDutyCycleUpdateMode_e;
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#endif
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/** \brief PWM configuration structure */
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typedef struct
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{
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uint32_t pwmFreq_HZ; /**< PWM signal frequency in HZ */
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uint32_t srcClock_HZ; /**< TIMER counter clock in HZ */
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uint32_t dutyCyclePercent; /**< PWM pulse width, the valid range is 0 to 100 */
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TimerPwmStopOption_e stopOption; /**< PWM stop option, controls pwm output level(high,low or holds current level) when stopped */
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#if defined(TIMER_IP_VERSION_B1)
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TimerPwmDutyCycleUpdateMode_e dutyCycleUpdateMode; /**< PWM duty cycle update mode */
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#endif
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} TimerPwmConfig_t;
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/** \brief TIMER configuration structure */
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typedef struct
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{
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TimerClockSource_e clockSource; /**< Clock source */
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TimerReloadOption_e reloadOption; /**< Reload option */
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TimerCaptureModeControl_e captureMode; /**< Capture mode enable or not */
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TimerCaptureEdge_e captureEdge; /**< Capture edge option, valid only when capture mode is enabled */
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uint32_t initValue; /**< Counter init value */
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uint32_t match0; /**< Match0 value */
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uint32_t match1; /**< Match1 value */
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uint32_t match2; /**< Match2 value */
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} TimerConfig_t;
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/** \brief TIMER capture result structure */
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typedef struct
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{
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uint32_t counterValue; /**< counter value when captured */
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TimerCaptureEdge_e capturedEdge; /**< Edge type that triggers this capture */
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}TimerCaptureResult_t;
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/** \brief TIMER interrupt configuration */
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typedef enum
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{
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TIMER_INTERRUPT_DISABLE = 0U, /**< Disable interrupt */
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TIMER_INTERRUPT_LEVEL = 1U, /**< Level interrupt, a high level interrupt signal is generated */
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TIMER_INTERRUPT_PULSE = 2U, /**< Pulse interrupt, don't need to clear interrupt flag for this kind of interrupt type,
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so you can't be able to get the interrupt sources when multiply interrupts are enabled */
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} TimerInterruptConfig_e;
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/** \brief List of TIMER interrupts */
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typedef enum
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{
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TIMER_MATCH0_INTERRUPT = 0, /**< Match0 interrupt */
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TIMER_MATCH1_INTERRUPT = 1, /**< Match1 interrupt */
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TIMER_MATCH2_INTERRUPT = 2, /**< Match2 interrupt */
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TIMER_CAPTURE_INTERRUPT = 3, /**< Capture interrupt */
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} TimerInterruptSource_e;
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/** \brief List of TIMER interrupt flags */
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typedef enum
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{
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TIMER_MATCH0_INTERRUPT_FLAG = TIMER_TSR_ICLR_0_Msk, /**< Match0 interrupt flag */
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TIMER_MATCH1_INTERRUPT_FLAG = TIMER_TSR_ICLR_1_Msk, /**< Match1 interrupt flag */
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TIMER_MATCH2_INTERRUPT_FLAG = TIMER_TSR_ICLR_2_Msk, /**< Match2 interrupt flag */
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TIMER_CAPTURE_INTERRUPT_FLAG = TIMER_TSR_CAPTURE_Msk, /**< Capture interrupt flag */
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} TimerInterruptFlags_e;
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/*******************************************************************************
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* API
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******************************************************************************/
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/** \name TIMER Driver Initialization */
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/** \{ */
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/**
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\fn void TIMER_driverInit(void);
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\brief Intialize TIMER driver internal data, must be called before any other APIs
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*/
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void TIMER_driverInit(void);
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/** \} */
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/** \name TIMER Configuration */
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/** \{ */
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/**
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\fn void TIMER_getDefaultConfig(TimerConfig_t *config)
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\brief Gets the TIMER default configuartion.
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This function sets the configuration structure to default values as below:
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\code
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config->clockSource = TIMER_INTERNAL_CLOCK;
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config->reloadOption = TIMER_RELOAD_ON_MATCH1;
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config->captureMode = TIMER_CAPTURE_MODE_DISABLE;
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config->captureEdge = TIMER_CAPTURE_BOTH_EDGE;
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config->initValue = 0;
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config->match0 = 0x10000 >> 1U;
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config->match1 = 0x10000;
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config->match2 = 0xFFFFFFFFU;
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\endcode
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\param[in] config Pointer to TIMER configuration structure
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*/
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void TIMER_getDefaultConfig(TimerConfig_t *config);
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/**
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\fn void TIMER_init(uint32_t instance, const TimerConfig_t *config)
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\brief Intialize TIMER
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\param[in] instance TIMER instance number (0, 1, ...)
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\param[in] config Pointer to TIMER configuration
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\note PWM out is disabled after this function's call, use \ref TIMER_setupPwm function to eable PWM
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*/
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void TIMER_init(uint32_t instance, const TimerConfig_t *config);
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/**
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\fn void TIMER_deInit(uint32_t instance)
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\brief Deintialize TIMER
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\param[in] instance TIMER instance number (0, 1, ...)
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*/
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void TIMER_deInit(uint32_t instance);
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/**
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\fn void TIMER_setMatch(uint32_t instance, TimerMatchSelect_e matchNum, uint32_t matchValue)
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\brief Sets one of TIMER match values
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\param[in] instance TIMER instance number (0, 1, ...)
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\param[in] matchNum TIMER match select
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\param[in] matchValue TIMER match value
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*/
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void TIMER_setMatch(uint32_t instance, TimerMatchSelect_e matchNum, uint32_t matchValue);
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/**
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\fn void TIMER_setInitValue(uint32_t instance, uint32_t initValue)
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\brief Sets TIMER counter initial value
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\param[in] instance TIMER instance number (0, 1, ...)
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\param[in] initValue TIMER initial value
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*/
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void TIMER_setInitValue(uint32_t instance, uint32_t initValue);
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/**
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\fn void TIMER_setReloadOption(uint32_t instance, TimerReloadOption_e option)
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\brief Sets TIMER counter reload option
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\param[in] instance TIMER instance number (0, 1, ...)
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\param[in] option TIMER counter reload option
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*/
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void TIMER_setReloadOption(uint32_t instance, TimerReloadOption_e option);
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/**
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\fn void TIMER_setExternalEdgeCountType(uint32_t instance, TimerCaptureEdge_e type)
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\brief Sets edge type of external signal to be counted, that's, counting the number of TIMER_EXTERNAL_CLOCK edges(rising/falling or both)
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\param[in] instance TIMER instance number (0, 1, ...)
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\param[in] type Edge type to be set
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*/
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void TIMER_setExternalEdgeCountType(uint32_t instance, TimerCaptureEdge_e type);
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/**
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\fn void TIMER_setExternalClockInput(uint32_t instance, uint32_t gpioPort, uint32_t gpioPin, bool onOff)
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\brief Sets external clock source input pin
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\param[in] instance TIMER instance number (0, 1, ...)
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\param[in] gpioPort GPIO instance
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\param[in] gpioPin GPIO pin index
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\param[in] onOff true for enabling external clock input, false for disablling external clock input
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*/
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void TIMER_setExternalClockInput(uint32_t instance, uint32_t gpioPort, uint32_t gpioPin, bool onOff);
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/** \} */
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/** \name TIMER Counter */
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/** \{ */
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/**
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\fn void TIMER_start(uint32_t instance)
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\brief Starts TIMER counter
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\param[in] instance TIMER instance number (0, 1, ...)
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*/
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void TIMER_start(uint32_t instance);
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/**
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\fn void TIMER_stop(uint32_t instance)
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\brief Stops TIMER counter
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\param[in] instance TIMER instance number (0, 1, ...)
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*/
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void TIMER_stop(uint32_t instance);
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/**
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\fn uint32_t TIMER_getCount(uint32_t instance)
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\brief Reads current TIMER counter value
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\param[in] instance TIMER instance number (0, 1, ...)
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\return current TIMER counter value
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*/
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uint32_t TIMER_getCount(uint32_t instance);
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/**
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\fn void TIMER_getCaptureResult(uint32_t instance, TimerCaptureResult_t* result)
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\brief Reads capture result
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\param[in] instance TIMER instance number (0, 1, ...)
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\parma[out] result pointer to buffer for capture result
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*/
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void TIMER_getCaptureResult(uint32_t instance, TimerCaptureResult_t* result);
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/** \} */
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/** \name TIMER PWM */
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/** \{ */
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/**
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\fn int32_t TIMER_setupPwm(uint32_t instance, const TimerPwmConfig_t *config)
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\brief Configures the PWM signals period, mode, etc.
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\param[in] instance TIMER instance number (0, 1, ...)
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\param[in] config Pointer to PWM parameter
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\return ARM_DRIVER_OK if the PWM setup is successful
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ARM_DRIVER_ERROR_PARAMETER on parameter check failure
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*/
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int32_t TIMER_setupPwm(uint32_t instance, const TimerPwmConfig_t *config);
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/**
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\fn void TIMER_updatePwmDutyCycle(uint32_t instance, uint32_t dutyCyclePercent)
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\brief Updates the duty cycle of PWM signal
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\param[in] instance TIMER instance number (0, 1, ...)
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\param[in] dutyCyclePercent New PWM pulse width, value shall be between 0 to 100,
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if the value exceeds 100, dutyCyclePercent is set to 100.
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*/
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void TIMER_updatePwmDutyCycle(uint32_t instance, uint32_t dutyCyclePercent);
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/** \} */
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/** \name TIMER Interrupt */
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/** \{ */
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/**
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\fn void TIMER_interruptConfig(uint32_t instance, TimerInterruptSource_e source, TimerInterruptConfig_e config)
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\brief Configures the selected TIMER interrupt
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\param[in] instance TIMER instance number (0, 1, ...)
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\param[in] source TIMER interrupt source
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\param[in] config TIMER interrupt configuration
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*/
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void TIMER_interruptConfig(uint32_t instance, TimerInterruptSource_e source, TimerInterruptConfig_e config);
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/**
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\fn TimerInterruptConfig_e TIMER_getInterruptConfig(uint32_t instance, TimerInterruptSource_e source)
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\brief Gets current configuration of the selected TIMER interrupt
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\param[in] instance TIMER instance number (0, 1, ...)
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\param[in] source TIMER interrupt source
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\return Current TIMER interrupt configuration
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*/
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TimerInterruptConfig_e TIMER_getInterruptConfig(uint32_t instance, TimerInterruptSource_e source);
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/**
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\fn uint32_t TIMER_getInterruptFlags(uint32_t instance)
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\brief Reads TIMER interrupt status flags
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\param[in] instance TIMER instance number (0, 1, ...)
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\return Interrupt flags. This is the logical OR of members of the
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enumeration \ref TimerInterruptFlags_e
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*/
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uint32_t TIMER_getInterruptFlags(uint32_t instance);
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/**
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\fn void TIMER_clearInterruptFlags(uint32_t instance, uint32_t mask)
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\brief Clears TIMER interrupt flags
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\param[in] instance TIMER instance number (0, 1, ...)
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\param[in] mask Interrupt flags to clear. This is a logic OR of members of the
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enumeration \ref TimerInterruptFlags_e
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*/
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void TIMER_clearInterruptFlags(uint32_t instance, uint32_t mask);
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/**
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\fn void TIMER_netlightEnable(uint32_t instance)
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\brief Set Netlight Enable, called by user in bsp_custom.c to define specific timer instance for netlight
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\param[in] instance TIMER instance number (0, 1, ...)
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*/
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void TIMER_netlightEnable(uint8_t instance);
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/** \} */
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/** \} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TIMER_EC7XX_H */
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