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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_gpio.c
**
** A detailed description is available at
** @link GpioGroup Gpio description @endlink
**
** - 2018-10-12 CDT First version for Device Driver Library of Gpio.
**
******************************************************************************/
/*******************************************************************************
* Include files
******************************************************************************/
#include "hc32f460_gpio.h"
#include "hc32f460_utility.h"
/**
*******************************************************************************
** \addtogroup GpioGroup
******************************************************************************/
//@{
/*******************************************************************************
* Local type definitions ('typedef')
******************************************************************************/
/*******************************************************************************
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
#define GPIO_BASE (0x40053800ul)
#define PODR_BASE (0x0004ul)
#define POER_BASE (0x0006ul)
#define POSR_BASE (0x0008ul)
#define PORR_BASE (0x000Aul)
#define PCR_BASE (0x0400ul)
#define PFSR_BASE (0x0402ul)
/*! Parameter validity check for port group. */
#define IS_VALID_PORT(x) \
( ((x) == PortA) || \
((x) == PortB) || \
((x) == PortC) || \
((x) == PortD) || \
((x) == PortE) || \
((x) == PortH))
/*! Parameter validity check for pin. */
#define IS_VALID_PIN(x) \
( ((x) == Pin00) || \
((x) == Pin01) || \
((x) == Pin02) || \
((x) == Pin03) || \
((x) == Pin04) || \
((x) == Pin05) || \
((x) == Pin06) || \
((x) == Pin07) || \
((x) == Pin08) || \
((x) == Pin09) || \
((x) == Pin10) || \
((x) == Pin11) || \
((x) == Pin12) || \
((x) == Pin13) || \
((x) == Pin14) || \
((x) == Pin15))
/*! Parameter validity check for debug pins. */
#define IS_VALID_DEBUGPIN(x) ((x) <= 0x1Fu)
/*! Parameter validity check for pin mode. */
#define IS_VALID_PINMODE(x) \
( ((x) == Pin_Mode_In) || \
((x) == Pin_Mode_Out) || \
((x) == Pin_Mode_Ana))
/*! Parameter validity check for pin drive capacity. */
#define IS_VALID_PINDRV(x) \
( ((x) == Pin_Drv_L) || \
((x) == Pin_Drv_M) || \
((x) == Pin_Drv_H))
/*! Parameter validity check for pin output type. */
#define IS_VALID_PINTYPE(x) \
( ((x) == Pin_OType_Cmos) || \
((x) == Pin_OType_Od))
/*! Parameter validity check for pin read wait cycle. */
#define IS_VALID_READWAIT(x) \
( ((x) == WaitCycle0) || \
((x) == WaitCycle1) || \
((x) == WaitCycle2) || \
((x) == WaitCycle3))
/*! Parameter validity check for pin function */
#define IS_VALID_FUNC(x) \
( ((x) == Func_Gpio) || \
(((x) >= Func_Fcmref) && \
((x) <= Func_I2s)) || \
((x) == Func_Evnpt) || \
((x) == Func_Eventout) || \
(((x) >= Func_Usart1_Tx) && \
((x) <= Func_I2s2_Ck)))
/*! Parameter validity check for pin sub-function */
#define IS_VALID_SUBFUNC(x) \
( ((x) == Func_Gpio) || \
((x) == Func_Fcmref) || \
((x) == Func_Rtcout) || \
((x) == Func_Vcout) || \
((x) == Func_Adtrg) || \
((x) == Func_Mclkout) || \
((x) == Func_Tim4) || \
((x) == Func_Tim6) || \
((x) == Func_Tima0) || \
((x) == Func_Tima1) || \
((x) == Func_Tima2) || \
((x) == Func_Emb) || \
((x) == Func_Usart_Ck) || \
((x) == Func_Spi_Nss) || \
((x) == Func_Qspi) || \
((x) == Func_Key) || \
((x) == Func_Sdio) || \
((x) == Func_I2s) || \
((x) == Func_UsbF) || \
((x) == Func_Evnpt) || \
((x) == Func_Eventout))
/*******************************************************************************
* 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 Port init
**
** \param [in] enPort GPIO port index, This parameter can be
** any value of @ref en_port_t
** \param [in] u16Pin GPIO pin index, This parameter can be
** any composed value of @ref en_pin_t
** \param [in] pstcPortInit Structure pointer of port configuration
**
** \retval Ok Port initial successful
**
******************************************************************************/
en_result_t PORT_Init(en_port_t enPort, uint16_t u16Pin, const stc_port_init_t *pstcPortInit)
{
stc_port_pcr_field_t *PCRx;
stc_port_pfsr_field_t * PFSRx;
uint8_t u8PinPos = 0u;
/* parameter check */
DDL_ASSERT(IS_VALID_PORT(enPort));
DDL_ASSERT(IS_VALID_PINMODE(pstcPortInit->enPinMode));
DDL_ASSERT(IS_VALID_PINDRV(pstcPortInit->enPinDrv));
DDL_ASSERT(IS_VALID_PINTYPE(pstcPortInit->enPinOType));
DDL_ASSERT(IS_FUNCTIONAL_STATE(pstcPortInit->enLatch));
DDL_ASSERT(IS_FUNCTIONAL_STATE(pstcPortInit->enExInt));
DDL_ASSERT(IS_FUNCTIONAL_STATE(pstcPortInit->enInvert));
DDL_ASSERT(IS_FUNCTIONAL_STATE(pstcPortInit->enPullUp));
DDL_ASSERT(IS_FUNCTIONAL_STATE(pstcPortInit->enPinSubFunc));
PORT_Unlock();
for (u8PinPos = 0u; u8PinPos < 16u; u8PinPos ++)
{
if (u16Pin & (1ul<<u8PinPos))
{
PCRx = (stc_port_pcr_field_t *)((uint32_t)(&M4_PORT->PCRA0) + \
enPort * 0x40ul + u8PinPos * 0x04ul);
PFSRx = (stc_port_pfsr_field_t *)((uint32_t)(&M4_PORT->PFSRA0) + \
enPort * 0x40ul + u8PinPos * 0x04ul);
/* Input latch function setting */
PCRx->LTE = pstcPortInit->enLatch;
/* External interrupt input enable setting */
PCRx->INTE = pstcPortInit->enExInt;
/* In_Out invert setting */
PCRx->INVE = pstcPortInit->enInvert;
/* Pin pull-up setting */
PCRx->PUU = pstcPortInit->enPullUp;
/* CMOS/OD output setting */
PCRx->NOD = pstcPortInit->enPinOType;
/* Pin drive mode setting */
PCRx->DRV = pstcPortInit->enPinDrv;
/* Pin mode setting */
switch (pstcPortInit->enPinMode)
{
case Pin_Mode_In:
PCRx->DDIS = 0u;
PCRx->POUTE = 0u;
break;
case Pin_Mode_Out:
PCRx->DDIS = 0u;
PCRx->POUTE = 1u;
break;
case Pin_Mode_Ana:
PCRx->DDIS = 1u;
break;
default:
break;
}
/* Sub function enable setting */
PFSRx->BFE = pstcPortInit->enPinSubFunc;
}
}
PORT_Lock();
return Ok;
}
/**
*******************************************************************************
** \brief Port de-init
**
** \param None
**
** \retval Ok GPIO de-initial successful
**
******************************************************************************/
en_result_t PORT_DeInit(void)
{
uint8_t u8PortIdx, u8PinIdx;
PORT_Unlock();
for (u8PortIdx = (uint8_t)PortA; u8PortIdx <= (uint8_t)PortH; u8PortIdx++)
{
*(uint16_t *)(GPIO_BASE + PODR_BASE + u8PortIdx * 0x10ul) = 0u;
*(uint16_t *)(GPIO_BASE + POER_BASE + u8PortIdx * 0x10ul) = 0u;
*(uint16_t *)(GPIO_BASE + POSR_BASE + u8PortIdx * 0x10ul) = 0u;
*(uint16_t *)(GPIO_BASE + PORR_BASE + u8PortIdx * 0x10ul) = 0u;
for (u8PinIdx = 0u; u8PinIdx < 16u; u8PinIdx++)
{
if (((uint8_t)PortH == u8PortIdx) && (3u == u8PinIdx))
{
break;
}
*(uint16_t *)(GPIO_BASE + PCR_BASE + u8PortIdx * 0x40ul + u8PinIdx * 0x4ul) = 0u;
*(uint16_t *)(GPIO_BASE + PFSR_BASE + u8PortIdx * 0x40ul + u8PinIdx * 0x4ul) = 0u;
}
}
M4_PORT->PCCR = 0u;
M4_PORT->PINAER = 0u;
M4_PORT->PSPCR = 0x1Fu;
PORT_Lock();
return Ok;
}
/**
*******************************************************************************
** \brief Special control register Setting
**
** \param [in] u8DebugPort Debug port setting register, This parameter
** can be any composed value of @ref en_debug_port_t
**
** \param [in] enFunc The new state of the debug ports.
** \arg Enable Enable.
** \arg Disable Disable.
**
** \retval Ok Debug port set successful
**
******************************************************************************/
en_result_t PORT_DebugPortSetting(uint8_t u8DebugPort, en_functional_state_t enFunc)
{
/* parameter check */
DDL_ASSERT(IS_VALID_DEBUGPIN(u8DebugPort));
DDL_ASSERT(IS_FUNCTIONAL_STATE(enFunc));
PORT_Unlock();
if (Enable == enFunc)
{
M4_PORT->PSPCR |= (uint16_t)(u8DebugPort & 0x1Ful);
}
else
{
M4_PORT->PSPCR &= (uint16_t)(~(u8DebugPort & 0x1Ful));
}
PORT_Lock();
return Ok;
}
/**
*******************************************************************************
** \brief Port Public Setting
**
** \param [in] pstcPortPubSet Structure pointer of public setting (PCCR)
**
** \retval Ok Port public register set successful
**
******************************************************************************/
en_result_t PORT_PubSetting(const stc_port_pub_set_t *pstcPortPubSet)
{
DDL_ASSERT(IS_VALID_FUNC(pstcPortPubSet->enSubFuncSel));
DDL_ASSERT(IS_VALID_READWAIT(pstcPortPubSet->enReadWait));
PORT_Unlock();
/* PCCR setting */
/* Sub function setting */
M4_PORT->PCCR_f.BFSEL = pstcPortPubSet->enSubFuncSel;
/* PIDRx, PCRxy read wait cycle setting */
M4_PORT->PCCR_f.RDWT = pstcPortPubSet->enReadWait;
PORT_Lock();
return Ok;
}
/**
*******************************************************************************
** \brief PSPCR, PCCR, PINAER, PCRxy, PFSRxy write enable
**
** \param None
**
** \retval None
**
******************************************************************************/
void PORT_Unlock(void)
{
M4_PORT->PWPR = 0xA501u;
}
/**
*******************************************************************************
** \brief SPCR, PCCR, PINAER, PCRxy, PFSRxy write disable
**
** \param None
**
** \retval None
**
******************************************************************************/
void PORT_Lock(void)
{
M4_PORT->PWPR = 0xA500u;
}
/**
*******************************************************************************
** \brief Read Port value
**
** \param [in] enPort GPIO port index, This parameter can be
** any value of @ref en_port_t
**
** \retval uint16_t The output port value
**
******************************************************************************/
uint16_t PORT_GetData(en_port_t enPort)
{
/* parameter check */
DDL_ASSERT(IS_VALID_PORT(enPort));
uint32_t *PIDRx;
PIDRx = (uint32_t *)((uint32_t)(&M4_PORT->PIDRA) + 0x10u * enPort);
return (uint16_t)(*PIDRx);
}
/**
*******************************************************************************
** \brief Read Pin value
**
** \param [in] enPort GPIO port index, This parameter can be
** any value of @ref en_port_t
** \param [in] enPin GPIO pin index, This parameter can be
** any value of @ref en_pin_t
** \retval en_flag_status_t The output port pin value
**
******************************************************************************/
en_flag_status_t PORT_GetBit(en_port_t enPort, en_pin_t enPin)
{
uint32_t *PIDRx;
/* parameter check */
DDL_ASSERT(IS_VALID_PORT(enPort));
DDL_ASSERT(IS_VALID_PIN(enPin));
PIDRx = (uint32_t *)((uint32_t)(&M4_PORT->PIDRA) + 0x10u * enPort);
return (en_flag_status_t)((bool)(!!(*PIDRx & (enPin))));
}
/**
*******************************************************************************
** \brief Set Port value
**
** \param [in] enPort GPIO port index, This parameter can be
** any value of @ref en_port_t
** \param [in] u16Pin GPIO pin index, This parameter can be
** any composed value of @ref en_pin_t
**
** \retval Ok Data be set to corresponding port
**
******************************************************************************/
en_result_t PORT_SetPortData(en_port_t enPort, uint16_t u16Pin)
{
uint16_t *PODRx;
/* parameter check */
DDL_ASSERT(IS_VALID_PORT(enPort));
PODRx = (uint16_t *)((uint32_t)(&M4_PORT->PODRA) + 0x10u * enPort);
*PODRx |= u16Pin;
return Ok;
}
/**
*******************************************************************************
** \brief Set Port value
**
** \param [in] enPort GPIO port index, This parameter can be
** any value of @ref en_port_t
** \param [in] u16Pin GPIO pin index, This parameter can be
** any composed value of @ref en_pin_t
**
** \retval Ok Data be reset to corresponding port
**
******************************************************************************/
en_result_t PORT_ResetPortData(en_port_t enPort, uint16_t u16Pin)
{
uint16_t *PODRx;
/* parameter check */
DDL_ASSERT(IS_VALID_PORT(enPort));
PODRx = (uint16_t *)((uint32_t)(&M4_PORT->PODRA) + 0x10u * enPort);
*PODRx &= (uint16_t)(~u16Pin);
return Ok;
}
/**
*******************************************************************************
** \brief Port Pin Output enable
**
** \param [in] enPort GPIO port index, This parameter can be
** any value of @ref en_port_t
** \param [in] u16Pin GPIO pin index, This parameter can be
** any composed value of @ref en_pin_t
** \param [in] enNewState The new state of pin direction setting
** \retval Ok Set successful to corresponding port/pin
**
******************************************************************************/
en_result_t PORT_OE(en_port_t enPort, uint16_t u16Pin, en_functional_state_t enNewState)
{
uint16_t *POERx;
/* parameter check */
DDL_ASSERT(IS_VALID_PORT(enPort));
POERx = (uint16_t *)((uint32_t)(&M4_PORT->POERA) + 0x10ul * enPort);
if (Enable == enNewState)
{
*POERx |= u16Pin;
}
else
{
*POERx &= (uint16_t)(~u16Pin);
}
return Ok;
}
/**
*******************************************************************************
** \brief Set Port Pin
**
** \param [in] enPort GPIO port index, This parameter can be
** any value of @ref en_port_t
** \param [in] u16Pin GPIO pin index, This parameter can be
** any composed value of @ref en_pin_t
** \retval Ok Set successful to corresponding pins
**
******************************************************************************/
en_result_t PORT_SetBits(en_port_t enPort, uint16_t u16Pin)
{
uint16_t *POSRx;
/* parameter check */
DDL_ASSERT(IS_VALID_PORT(enPort));
POSRx = (uint16_t *)((uint32_t)(&M4_PORT->POSRA) + 0x10u * enPort);
*POSRx |= u16Pin;
return Ok;
}
/**
*******************************************************************************
** \brief Reset Port Pin
**
** \param [in] enPort GPIO port index, This parameter can be
** any value of @ref en_port_t
** \param [in] u16Pin GPIO pin index, This parameter can be
** any composed value of @ref en_pin_t
** \retval Ok Set successful to corresponding pins
**
******************************************************************************/
en_result_t PORT_ResetBits(en_port_t enPort, uint16_t u16Pin)
{
uint16_t *PORRx;
/* parameter check */
DDL_ASSERT(IS_VALID_PORT(enPort));
PORRx = (uint16_t *)((uint32_t)(&M4_PORT->PORRA) + 0x10u * enPort);
*PORRx |= u16Pin;
return Ok;
}
/**
*******************************************************************************
** \brief Toggle Port Pin
**
** \param [in] enPort GPIO port index, This parameter can be
** any value of @ref en_port_t
** \param [in] u16Pin GPIO pin index, This parameter can be
** any composed value of @ref en_pin_t
** \retval Ok Set successful to corresponding pins
**
******************************************************************************/
en_result_t PORT_Toggle(en_port_t enPort, uint16_t u16Pin)
{
uint16_t *POTRx;
/* parameter check */
DDL_ASSERT(IS_VALID_PORT(enPort));
POTRx = (uint16_t *)((uint32_t)(&M4_PORT->POTRA) + 0x10u * enPort);
*POTRx |= u16Pin;
return Ok;
}
/**
*******************************************************************************
** \brief Set port always ON
**
** \param [in] enPort GPIO port index, This parameter can be
** any value of @ref en_port_t
** \param [in] enNewState The new state of the port always ON function.
** \arg Enable Enable.
** \arg Disable Disable.
**
** \retval Ok Set successful to corresponding pins
**
******************************************************************************/
en_result_t PORT_AlwaysOn(en_port_t enPort, en_functional_state_t enNewState)
{
/* parameter check */
DDL_ASSERT(IS_VALID_PORT(enPort));
DDL_ASSERT(IS_FUNCTIONAL_STATE(enNewState));
PORT_Unlock();
if (Enable == enNewState)
{
M4_PORT->PINAER |= Enable << (uint8_t)enPort;
}
else
{
M4_PORT->PINAER &= (uint16_t)(~(((1ul << (uint8_t)enPort)) & 0x1Ful));
}
PORT_Lock();
return Ok;
}
/**
*******************************************************************************
** \brief Set Port Pin function
**
** \param [in] enPort GPIO port index, This parameter can be
** any value of @ref en_port_t
** \param [in] u16Pin GPIO pin index, This parameter can be
** any value of @ref en_pin_t
** \param [in] enFuncSel Function selection, This parameter can be
** any value of @ref en_port_func_t
**
** \param [in] enSubFunc The new state of the gpio sub-function.
** \arg Enable Enable.
** \arg Disable Disable.
**
** \retval Ok Set successful to corresponding pins
**
******************************************************************************/
en_result_t PORT_SetFunc(en_port_t enPort, uint16_t u16Pin, en_port_func_t enFuncSel, \
en_functional_state_t enSubFunc)
{
stc_port_pfsr_field_t *PFSRx;
uint8_t u8PinPos = 0u;
/* parameter check */
DDL_ASSERT(IS_VALID_PORT(enPort));
DDL_ASSERT(IS_VALID_FUNC(enFuncSel));
DDL_ASSERT(IS_FUNCTIONAL_STATE(enSubFunc));
PORT_Unlock();
for (u8PinPos = 0u; u8PinPos < 16u; u8PinPos ++)
{
if (u16Pin & (uint16_t)(1ul<<u8PinPos))
{
PFSRx = (stc_port_pfsr_field_t *)((uint32_t)(&M4_PORT->PFSRA0) \
+ 0x40ul * enPort + 0x4ul * u8PinPos);
/* main function setting */
PFSRx->FSEL = enFuncSel;
/* sub function enable setting */
PFSRx->BFE = (Enable == enSubFunc ? Enable : Disable);
}
}
PORT_Lock();
return Ok;
}
/**
*******************************************************************************
** \brief Set global sub-function
**
** \param [in] enFuncSel Function selection, This parameter can be
** some values of @ref en_port_func_t, cannot
** large than 15u
**
** \retval Ok Set successful to corresponding pins
**
******************************************************************************/
en_result_t PORT_SetSubFunc(en_port_func_t enFuncSel)
{
/* parameter check */
DDL_ASSERT(IS_VALID_SUBFUNC(enFuncSel));
PORT_Unlock();
M4_PORT->PCCR_f.BFSEL = enFuncSel;
PORT_Lock();
return Ok;
}
//@} // GpioGroup
/******************************************************************************
* EOF (not truncated)
*****************************************************************************/
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