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/******************************************************************************
* Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved.
*
* This software component is licensed by HDSC under BSD 3-Clause license
* (the "License"); You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*/
/******************************************************************************/
/** \file hc32f460_event_port.c
**
** A detailed description is available at
** @link EventPortGroup EventPort description @endlink
**
** - 2018-12-07 CDT First version for Device Driver Library of EventPort.
**
******************************************************************************/
/*******************************************************************************
* Include files
******************************************************************************/
#include "hc32f460_event_port.h"
#include "hc32f460_utility.h"
/**
*******************************************************************************
** \addtogroup EventPortGroup
******************************************************************************/
//@{
/*******************************************************************************
* Local type definitions ('typedef')
******************************************************************************/
/*******************************************************************************
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
#define EP1_BASE 0x40010800ul + 0x0100ul
#define EP2_BASE 0x40010800ul + 0x011Cul
#define EP3_BASE 0x40010800ul + 0x0138ul
#define EP4_BASE 0x40010800ul + 0x0154ul
#define EP1_DIR_BASE 0x00ul
#define EP1_IDR_BASE 0x04ul
#define EP1_ODR_BASE 0x08ul
#define EP1_ORR_BASE 0x0Cul
#define EP1_OSR_BASE 0x10ul
#define EP1_RISR_BASE 0x14ul
#define EP1_FAL_BASE 0x18ul
#define EP_NFCR_BASE 0x40010800ul + 0x0170ul
/*! Parameter validity check for port group. */
#define IS_VALID_EVENT_PORT(x) \
( ((x) == EventPort1) || \
((x) == EventPort2) || \
((x) == EventPort3) || \
((x) == EventPort4))
/*! Parameter validity check for pin. */
#define IS_VALID_EVENT_PIN(x) \
( ((x) == EventPin00) || \
((x) == EventPin01) || \
((x) == EventPin02) || \
((x) == EventPin03) || \
((x) == EventPin04) || \
((x) == EventPin05) || \
((x) == EventPin06) || \
((x) == EventPin07) || \
((x) == EventPin08) || \
((x) == EventPin09) || \
((x) == EventPin10) || \
((x) == EventPin11) || \
((x) == EventPin12) || \
((x) == EventPin13) || \
((x) == EventPin14) || \
((x) == EventPin15))
/*! Parameter valid check for Event Port common trigger. */
#define IS_EP_COM_TRIGGER(x) \
( ((x) == EpComTrigger_1) || \
((x) == EpComTrigger_2) || \
((x) == EpComTrigger_1_2))
/*******************************************************************************
* Global variable definitions (declared in header file with 'extern')
******************************************************************************/
/*******************************************************************************
* Local function prototypes ('static')
******************************************************************************/
/*******************************************************************************
* Local variable definitions ('static')
******************************************************************************/
/*******************************************************************************
* Function implementation - global ('extern') and local ('static')
******************************************************************************/
/**
*******************************************************************************
** \brief Event Port init
**
** \param [in] enEventPort Event port index, This parameter can be
** any value of @ref en_event_port_t
** \param [in] u16EventPin Event pin index, This parameter can be
** any composed value of @ref en_event_pin_t
** \param [in] pstcEventPortInit Structure pointer of event port configuration
**
** \retval Ok Init successful
** ErrorInvalidParameter Event port index invalid
**
******************************************************************************/
en_result_t EVENTPORT_Init(en_event_port_t enEventPort, uint16_t u16EventPin, \
const stc_event_port_init_t *pstcEventPortInit)
{
en_result_t enRet = Ok;
uint32_t *EPDIRx; ///< Direction register
uint32_t *EPORRx; ///< Reset after trigger enable register
uint32_t *EPOSRx; ///< Set after trigger enable register
uint32_t *EPRISRx; ///< Rising edge detect enable register
uint32_t *EPFALx; ///< Falling edge detect enable register
EPDIRx = (uint32_t *)(EP1_BASE + EP1_DIR_BASE + (0x1C * enEventPort));
EPORRx = (uint32_t *)(EP1_BASE + EP1_ORR_BASE + (0x1C * enEventPort));
EPOSRx = (uint32_t *)(EP1_BASE + EP1_OSR_BASE + (0x1C * enEventPort));
EPRISRx= (uint32_t *)(EP1_BASE + EP1_RISR_BASE+ (0x1C * enEventPort));
EPFALx = (uint32_t *)(EP1_BASE + EP1_FAL_BASE + (0x1C * enEventPort));
/* Direction configure */
if (EventPortOut == pstcEventPortInit->enDirection)
{
*EPDIRx |= u16EventPin;
}
else
{
*EPDIRx &= (~(uint32_t)u16EventPin) & 0xFFFFul;
}
/* Reset if be triggered */
if (Enable == pstcEventPortInit->enReset)
{
*EPORRx |= u16EventPin;
}
else
{
*EPORRx &= (~(uint32_t)u16EventPin) & 0xFFFFul;
}
/* Set if be triggered */
if (Enable == pstcEventPortInit->enSet)
{
*EPOSRx |= u16EventPin;
}
else
{
*EPOSRx &= (~(uint32_t)u16EventPin) & 0xFFFFul;
}
/* Rising edge detect setting */
if (Enable == pstcEventPortInit->enRisingDetect)
{
*EPRISRx |= u16EventPin;
}
else
{
*EPRISRx &= (~(uint32_t)u16EventPin) & 0xFFFFul;
}
/* Falling edge detect setting */
if (Enable == pstcEventPortInit->enFallingDetect)
{
*EPFALx |= u16EventPin;
}
else
{
*EPFALx &= (~(uint32_t)u16EventPin) & 0xFFFFul;
}
/* Noise filter setting */
switch (enEventPort)
{
case EventPort1:
M4_AOS->PEVNTNFCR_f.NFEN1 = pstcEventPortInit->enFilter;
M4_AOS->PEVNTNFCR_f.DIVS1 = pstcEventPortInit->enFilterClk;
break;
case EventPort2:
M4_AOS->PEVNTNFCR_f.NFEN2 = pstcEventPortInit->enFilter;
M4_AOS->PEVNTNFCR_f.DIVS2 = pstcEventPortInit->enFilterClk;
break;
case EventPort3:
M4_AOS->PEVNTNFCR_f.NFEN3 = pstcEventPortInit->enFilter;
M4_AOS->PEVNTNFCR_f.DIVS3 = pstcEventPortInit->enFilterClk;
break;
case EventPort4:
M4_AOS->PEVNTNFCR_f.NFEN4 = pstcEventPortInit->enFilter;
M4_AOS->PEVNTNFCR_f.DIVS4 = pstcEventPortInit->enFilterClk;
break;
default:
enRet = ErrorInvalidParameter;
break;
}
return enRet;
}
/**
*******************************************************************************
** \brief Event Port de-init, restore all registers to default value
**
** \param None
**
** \retval Ok De-init successful
**
******************************************************************************/
en_result_t EVENTPORT_DeInit(void)
{
uint32_t EPDIRx ;
uint32_t EPODRx ;
uint32_t EPORRx ;
uint32_t EPOSRx ;
uint32_t EPRISRx;
uint32_t EPFALx ;
uint8_t u8EPCnt;
EPDIRx = (uint32_t)(EP1_BASE + EP1_DIR_BASE);
EPODRx = (uint32_t)(EP1_BASE + EP1_ODR_BASE);
EPORRx = (uint32_t)(EP1_BASE + EP1_ORR_BASE);
EPOSRx = (uint32_t)(EP1_BASE + EP1_OSR_BASE);
EPRISRx = (uint32_t)(EP1_BASE + EP1_RISR_BASE);
EPFALx = (uint32_t)(EP1_BASE + EP1_FAL_BASE);
/* Restore all registers to default value */
M4_AOS->PEVNTTRGSR12 = 0x1FFul;
M4_AOS->PEVNTTRGSR34 = 0x1FFul;
M4_AOS->PEVNTNFCR = 0ul;
for (u8EPCnt = 0u; u8EPCnt < 4u; u8EPCnt++)
{
*(uint32_t *)(EPDIRx + 0x1Cul * u8EPCnt) = 0ul;
*(uint32_t *)(EPODRx + 0x1Cul * u8EPCnt) = 0ul;
*(uint32_t *)(EPORRx + 0x1Cul * u8EPCnt) = 0ul;
*(uint32_t *)(EPOSRx + 0x1Cul * u8EPCnt) = 0ul;
*(uint32_t *)(EPRISRx + 0x1Cul * u8EPCnt) = 0ul;
*(uint32_t *)(EPFALx + 0x1Cul * u8EPCnt) = 0ul;
}
return Ok;
}
/**
*******************************************************************************
** \brief Event Port trigger source select
**
** \param [in] enEventPort Event port index, This parameter can be
** any value of @ref en_event_port_t
** \param [in] enTriggerSrc Event port trigger source. This parameter
** can be any value of @ref en_event_src_t
** \retval Ok Trigger source is set
** ErrorInvalidParameter Invalid event port enum
**
******************************************************************************/
en_result_t EVENTPORT_SetTriggerSrc(en_event_port_t enEventPort, \
en_event_src_t enTriggerSrc)
{
en_result_t enRet = Ok;
DDL_ASSERT(IS_VALID_EVENT_PORT(enEventPort));
if ((EventPort1 == enEventPort) || (EventPort2 == enEventPort))
{
M4_AOS->PEVNTTRGSR12 = enTriggerSrc;
}
else if ((EventPort3 == enEventPort) || (EventPort4 == enEventPort))
{
M4_AOS->PEVNTTRGSR34 = enTriggerSrc;
}
else
{
enRet = ErrorInvalidParameter;
}
return enRet;
}
/**
*******************************************************************************
** \brief Enable or disable Event Port common trigger.
**
** \param [in] enEventPort Event port index, This parameter can be
** any value of @ref en_event_port_t
** \param [in] enComTrigger Event port common trigger selection.
** See @ref en_event_port_com_trigger_t for details.
** \param [in] enState Enable or disable the specified common trigger.
**
** \retval None.
**
******************************************************************************/
void EVENTPORT_ComTriggerCmd(en_event_port_t enEventPort, \
en_event_port_com_trigger_t enComTrigger, \
en_functional_state_t enState)
{
uint32_t u32ComTrig = (uint32_t)enComTrigger;
__IO uint32_t *TRGSELx;
TRGSELx = (__IO uint32_t *)((uint32_t)&M4_AOS->PEVNTTRGSR12 + (4UL * ((uint32_t)enEventPort/2UL)));
if (NULL != TRGSELx)
{
DDL_ASSERT(IS_EP_COM_TRIGGER(enComTrigger));
DDL_ASSERT(IS_FUNCTIONAL_STATE(enState));
if (enState == Enable)
{
*TRGSELx |= (u32ComTrig << 30u);
}
else
{
*TRGSELx &= ~(u32ComTrig << 30u);
}
}
}
/**
*******************************************************************************
** \brief Read Event Port value after be triggered
**
** \param [in] enEventPort Event port index, This parameter can be
** any value of @ref en_event_port_t
**
** \retval uint16_t The output port value
**
******************************************************************************/
uint16_t EVENTPORT_GetData(en_event_port_t enEventPort)
{
uint16_t u16Data = 0u;
DDL_ASSERT(IS_VALID_EVENT_PORT(enEventPort));
switch (enEventPort)
{
case EventPort1:
u16Data = (uint16_t)(M4_AOS->PEVNTIDR1 & 0xFFFFul);
break;
case EventPort2:
u16Data = (uint16_t)(M4_AOS->PEVNTIDR2 & 0xFFFFul);
break;
case EventPort3:
u16Data = (uint16_t)(M4_AOS->PEVNTIDR3 & 0xFFFFul);
break;
case EventPort4:
u16Data = (uint16_t)(M4_AOS->PEVNTIDR4 & 0xFFFFul);
break;
}
return u16Data;
}
/**
*******************************************************************************
** \brief Read Event Pin value after triggered
**
** \param [in] enEventPort Event port index, This parameter can be
** any value of @ref en_event_port_t
** \param [in] enEventPin GPIO pin index, This parameter can be
** any value of @ref en_event_pin_t
** \retval en_flag_status_t The output port pin value
**
******************************************************************************/
en_flag_status_t EVENTPORT_GetBit(en_event_port_t enEventPort, en_event_pin_t enEventPin)
{
bool bBitValue = false;
switch (enEventPort)
{
case EventPort1:
bBitValue = M4_AOS->PEVNTIDR1 & enEventPin;
break;
case EventPort2:
bBitValue = M4_AOS->PEVNTIDR2 & enEventPin;
break;
case EventPort3:
bBitValue = M4_AOS->PEVNTIDR3 & enEventPin;
break;
case EventPort4:
bBitValue = M4_AOS->PEVNTIDR4 & enEventPin;
break;
}
return (en_flag_status_t)(bool)((!!bBitValue));
}
/**
*******************************************************************************
** \brief Set Event Port Pin
**
** \param [in] enEventPort Event port index, This parameter can be
** any value of @ref en_event_port_t
** \param [in] u16EventPin Event pin index, This parameter can be
** any composed value of @ref en_event_pin_t
** \retval Ok Set successful
** ErrorInvalidParameter Event port index invalid
**
******************************************************************************/
en_result_t EVENTPORT_SetBits(en_event_port_t enEventPort, en_event_pin_t u16EventPin)
{
en_result_t enRet = Ok;
DDL_ASSERT(IS_VALID_EVENT_PORT(enEventPort));
switch (enEventPort)
{
case EventPort1:
M4_AOS->PEVNTODR1 |= u16EventPin;
break;
case EventPort2:
M4_AOS->PEVNTODR2 |= u16EventPin;
break;
case EventPort3:
M4_AOS->PEVNTODR3 |= u16EventPin;
break;
case EventPort4:
M4_AOS->PEVNTODR4 |= u16EventPin;
break;
default:
enRet = ErrorInvalidParameter;
break;
}
return enRet;
}
/**
*******************************************************************************
** \brief Reset Event Port Pin
**
** \param [in] enEventPort Event port index, This parameter can be
** any value of @ref en_event_port_t
** \param [in] u16EventPin Event pin index, This parameter can be
** any composed value of @ref en_event_pin_t
** \retval Ok Reset successful
** ErrorInvalidParameter Event port index invalid
**
******************************************************************************/
en_result_t EVENTPORT_ResetBits(en_event_port_t enEventPort, en_event_pin_t u16EventPin)
{
en_result_t enRet = Ok;
DDL_ASSERT(IS_VALID_EVENT_PORT(enEventPort));
switch (enEventPort)
{
case EventPort1:
M4_AOS->PEVNTODR1 &= (~(uint32_t)u16EventPin) & 0xFFFFul;
break;
case EventPort2:
M4_AOS->PEVNTODR2 &= (~(uint32_t)u16EventPin) & 0xFFFFul;
break;
case EventPort3:
M4_AOS->PEVNTODR3 &= (~(uint32_t)u16EventPin) & 0xFFFFul;
break;
case EventPort4:
M4_AOS->PEVNTODR4 &= (~(uint32_t)u16EventPin) & 0xFFFFul;
break;
default:
enRet = ErrorInvalidParameter;
break;
}
return enRet;
}
//@} // EventPortGroup
/******************************************************************************
* EOF (not truncated)
*****************************************************************************/
|
