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|
/**************************************************************************//**
* @file tamper.c
* @version V3.00
* @brief M2354 series TAMPER driver source file
*
* @copyright SPDX-License-Identifier: Apache-2.0
* @copyright Copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#include "NuMicro.h"
/** @addtogroup Standard_Driver Standard Driver
@{
*/
/** @addtogroup TAMPER_Driver Tamper Driver
@{
*/
/** @addtogroup TAMPER_EXPORTED_FUNCTIONS Tamper Exported Functions
@{
*/
/**
* @brief Enable Tamper Interrupt
*
* @param[in] u32IntFlagMask Specify the interrupt source. It consists of:
* - \ref TAMPER_INTEN_TAMP0IEN_Msk
* - \ref TAMPER_INTEN_TAMP1IEN_Msk
* - \ref TAMPER_INTEN_TAMP2IEN_Msk
* - \ref TAMPER_INTEN_TAMP3IEN_Msk
* - \ref TAMPER_INTEN_TAMP4IEN_Msk
* - \ref TAMPER_INTEN_TAMP5IEN_Msk
* - \ref TAMPER_INTEN_CLKFIEN_Msk
* - \ref TAMPER_INTEN_CLKSTOPIEN_Msk
* - \ref TAMPER_INTEN_OVPIEN_Msk
* - \ref TAMPER_INTEN_VGPIEN_Msk
* - \ref TAMPER_INTEN_VGNIEN_Msk
* - \ref TAMPER_INTEN_ACTSIEN_Msk
* - \ref TAMPER_INTEN_RTCLVRIEN_Msk
* - \ref TAMPER_INTEN_RTCIOIEN_Msk
* - \ref TAMPER_INTEN_RTCLKIEN_Msk
* - \ref TAMPER_INTEN_BODIEN_Msk
*
* @return None
*
* @details This API is used to enable the specify tamper interrupt function.
*/
void TAMPER_EnableInt(uint32_t u32IntFlagMask)
{
TAMPER->INTEN |= u32IntFlagMask;
}
/**
* @brief Disable Tamper Interrupt
*
* @param[in] u32IntFlagMask Specify the interrupt source. It consists of:
* - \ref TAMPER_INTEN_TAMP0IEN_Msk
* - \ref TAMPER_INTEN_TAMP1IEN_Msk
* - \ref TAMPER_INTEN_TAMP2IEN_Msk
* - \ref TAMPER_INTEN_TAMP3IEN_Msk
* - \ref TAMPER_INTEN_TAMP4IEN_Msk
* - \ref TAMPER_INTEN_TAMP5IEN_Msk
* - \ref TAMPER_INTEN_CLKFIEN_Msk
* - \ref TAMPER_INTEN_CLKSTOPIEN_Msk
* - \ref TAMPER_INTEN_OVPIEN_Msk
* - \ref TAMPER_INTEN_VGPIEN_Msk
* - \ref TAMPER_INTEN_VGNIEN_Msk
* - \ref TAMPER_INTEN_ACTSIEN_Msk
* - \ref TAMPER_INTEN_RTCLVRIEN_Msk
* - \ref TAMPER_INTEN_RTCIOIEN_Msk
* - \ref TAMPER_INTEN_RTCLKIEN_Msk
* - \ref TAMPER_INTEN_BODIEN_Msk
*
* @return None
*
* @details This API is used to disable the specify tamper interrupt function.
*/
void TAMPER_DisableInt(uint32_t u32IntFlagMask)
{
TAMPER->INTEN &= ~u32IntFlagMask;
}
/**
* @brief Static Tamper Detect
*
* @param[in] u32TamperSelect Tamper pin select. Possible options are
* - \ref TAMPER_TAMPER0_SELECT
* - \ref TAMPER_TAMPER1_SELECT
* - \ref TAMPER_TAMPER2_SELECT
* - \ref TAMPER_TAMPER3_SELECT
* - \ref TAMPER_TAMPER4_SELECT
* - \ref TAMPER_TAMPER5_SELECT
*
* @param[in] u32DetecLevel Tamper pin detection level select. Possible options are
* - \ref TAMPER_TAMPER_HIGH_LEVEL_DETECT
* - \ref TAMPER_TAMPER_LOW_LEVEL_DETECT
*
* @param[in] u32DebounceEn Tamper pin de-bounce enable
* - \ref TAMPER_TAMPER_DEBOUNCE_ENABLE
* - \ref TAMPER_TAMPER_DEBOUNCE_DISABLE
*
* @return None
*
* @details This API is used to enable the tamper pin detect function with specify trigger condition.
* User needs to disable dynamic tamper function before use this API.
*/
void TAMPER_StaticTamperEnable(uint32_t u32TamperSelect, uint32_t u32DetecLevel, uint32_t u32DebounceEn)
{
uint32_t i;
uint32_t u32Reg;
uint32_t u32TmpReg;
u32Reg = TAMPER->TIOCTL;
u32TmpReg = (TAMPER_TIOCTL_TAMP0EN_Msk | (u32DetecLevel << TAMPER_TIOCTL_TAMP0LV_Pos) |
(u32DebounceEn << TAMPER_TIOCTL_TAMP0DBEN_Pos));
for(i = 0UL; i < (uint32_t)TAMPER_MAX_TAMPER_PIN_NUM; i++)
{
if(u32TamperSelect & (0x1UL << i))
{
u32Reg &= ~((TAMPER_TIOCTL_TAMP0EN_Msk | TAMPER_TIOCTL_TAMP0LV_Msk | TAMPER_TIOCTL_TAMP0DBEN_Msk) << (i * 4UL));
u32Reg |= (u32TmpReg << (i * 4UL));
}
}
TAMPER->TIOCTL = u32Reg;
}
/**
* @brief Static Tamper Disable
*
* @param[in] u32TamperSelect Tamper pin select. Possible options are
* - \ref TAMPER_TAMPER0_SELECT
* - \ref TAMPER_TAMPER1_SELECT
* - \ref TAMPER_TAMPER2_SELECT
* - \ref TAMPER_TAMPER3_SELECT
* - \ref TAMPER_TAMPER4_SELECT
* - \ref TAMPER_TAMPER5_SELECT
*
* @return None
*
* @details This API is used to disable the static tamper pin detect.
*/
void TAMPER_StaticTamperDisable(uint32_t u32TamperSelect)
{
uint32_t i;
uint32_t u32Reg;
uint32_t u32TmpReg;
u32Reg = TAMPER->TIOCTL;
u32TmpReg = TAMPER_TIOCTL_TAMP0EN_Msk;
for(i = 0UL; i < (uint32_t)TAMPER_MAX_TAMPER_PIN_NUM; i++)
{
if(u32TamperSelect & (0x1UL << i))
{
u32Reg &= ~(u32TmpReg << (i * 4UL));
}
}
TAMPER->TIOCTL = u32Reg;
}
/**
* @brief Dynamic Tamper Detect
*
* @param[in] u32PairSel Tamper pin detection enable. Possible options are
* - \ref TAMPER_PAIR0_SELECT
* - \ref TAMPER_PAIR1_SELECT
* - \ref TAMPER_PAIR2_SELECT
*
* @param[in] u32DebounceEn Tamper pin de-bounce enable
* - \ref TAMPER_TAMPER_DEBOUNCE_ENABLE
* - \ref TAMPER_TAMPER_DEBOUNCE_DISABLE
*
* @param[in] u32Pair1Source Dynamic pair 1 input source select
* 0: Pair 1 source select tamper 2
* 1: Pair 1 source select tamper 0
*
* @param[in] u32Pair2Source Dynamic pair 2 input source select
* 0: Pair 2 source select tamper 4
* 1: Pair 2 source select tamper 0
*
* @return None
*
* @details This API is used to enable the dynamic tamper.
*/
void TAMPER_DynamicTamperEnable(uint32_t u32PairSel, uint32_t u32DebounceEn, uint32_t u32Pair1Source, uint32_t u32Pair2Source)
{
uint32_t i;
uint32_t u32Reg;
uint32_t u32TmpReg;
uint32_t u32Tamper2Debounce, u32Tamper4Debounce;
u32Reg = TAMPER->TIOCTL;
u32Reg &= ~(TAMPER_TIOCTL_TAMP0EN_Msk | TAMPER_TIOCTL_TAMP1EN_Msk | TAMPER_TIOCTL_TAMP2EN_Msk |
TAMPER_TIOCTL_TAMP3EN_Msk | TAMPER_TIOCTL_TAMP4EN_Msk | TAMPER_TIOCTL_TAMP5EN_Msk);
u32Tamper2Debounce = u32Reg & TAMPER_TIOCTL_TAMP2DBEN_Msk;
u32Tamper4Debounce = u32Reg & TAMPER_TIOCTL_TAMP4DBEN_Msk;
u32Reg &= ~(TAMPER_TIOCTL_TAMP0EN_Msk | TAMPER_TIOCTL_TAMP1EN_Msk | TAMPER_TIOCTL_TAMP2EN_Msk |
TAMPER_TIOCTL_TAMP3EN_Msk | TAMPER_TIOCTL_TAMP4EN_Msk | TAMPER_TIOCTL_TAMP5EN_Msk);
u32Reg &= ~(TAMPER_TIOCTL_DYN1ISS_Msk | TAMPER_TIOCTL_DYN2ISS_Msk);
u32Reg |= ((u32Pair1Source & 0x1UL) << TAMPER_TIOCTL_DYN1ISS_Pos) | ((u32Pair2Source & 0x1UL) << TAMPER_TIOCTL_DYN2ISS_Pos);
if(u32DebounceEn)
{
u32TmpReg = (TAMPER_TIOCTL_TAMP0EN_Msk | TAMPER_TIOCTL_TAMP1EN_Msk |
TAMPER_TIOCTL_TAMP0DBEN_Msk | TAMPER_TIOCTL_TAMP1DBEN_Msk | TAMPER_TIOCTL_DYNPR0EN_Msk);
}
else
{
u32TmpReg = (TAMPER_TIOCTL_TAMP0EN_Msk | TAMPER_TIOCTL_TAMP1EN_Msk | TAMPER_TIOCTL_DYNPR0EN_Msk);
}
for(i = 0UL; i < (uint32_t)TAMPER_MAX_PAIR_NUM; i++)
{
if(u32PairSel & (0x1UL << i))
{
u32Reg &= ~((TAMPER_TIOCTL_TAMP0DBEN_Msk | TAMPER_TIOCTL_TAMP1DBEN_Msk) << (i * 8UL));
u32Reg |= (u32TmpReg << (i * 8UL));
}
}
if((u32Pair1Source) && (u32PairSel & (uint32_t)TAMPER_PAIR1_SELECT))
{
u32Reg &= ~TAMPER_TIOCTL_TAMP2EN_Msk;
u32Reg |= u32Tamper2Debounce;
}
if((u32Pair2Source) && (u32PairSel & (uint32_t)TAMPER_PAIR2_SELECT))
{
u32Reg &= ~TAMPER_TIOCTL_TAMP4EN_Msk;
u32Reg |= u32Tamper4Debounce;
}
TAMPER->TIOCTL = u32Reg;
}
/**
* @brief Dynamic Tamper Disable
*
* @param[in] u32PairSel Tamper pin detection disable. Possible options are
* - \ref TAMPER_PAIR0_SELECT
* - \ref TAMPER_PAIR1_SELECT
* - \ref TAMPER_PAIR2_SELECT
*
* @return None
*
* @details This API is used to disable the dynamic tamper.
*/
void TAMPER_DynamicTamperDisable(uint32_t u32PairSel)
{
uint32_t i;
uint32_t u32Reg;
uint32_t u32TmpReg;
uint32_t u32Tamper2En = 0UL, u32Tamper4En = 0UL;
u32Reg = TAMPER->TIOCTL;
if((u32Reg & (uint32_t)TAMPER_TIOCTL_DYN1ISS_Msk) && (u32PairSel & (uint32_t)TAMPER_PAIR1_SELECT))
{
u32Tamper2En = u32Reg & TAMPER_TIOCTL_TAMP2EN_Msk;
}
if((u32Reg & (uint32_t)TAMPER_TIOCTL_DYN2ISS_Msk) && (u32PairSel & (uint32_t)TAMPER_PAIR2_SELECT))
{
u32Tamper4En = u32Reg & TAMPER_TIOCTL_TAMP4EN_Msk;
}
u32TmpReg = (TAMPER_TIOCTL_TAMP0EN_Msk | TAMPER_TIOCTL_TAMP1EN_Msk | TAMPER_TIOCTL_DYNPR0EN_Msk);
for(i = 0UL; i < (uint32_t)TAMPER_MAX_PAIR_NUM; i++)
{
if(u32PairSel & (0x1UL << i))
{
u32Reg &= ~(u32TmpReg << ((i * 8UL)));
}
}
u32Reg |= (u32Tamper2En | u32Tamper4En);
TAMPER->TIOCTL = u32Reg;
}
/**
* @brief Config Dynamic Tamper
*
* @param[in] u32ChangeRate The dynamic tamper output change rate
* - \ref TAMPER_2POW6_CLK
* - \ref TAMPER_2POW7_CLK
* - \ref TAMPER_2POW8_CLK
* - \ref TAMPER_2POW9_CLK
* - \ref TAMPER_2POW10_CLK
* - \ref TAMPER_2POW11_CLK
* - \ref TAMPER_2POW12_CLK
* - \ref TAMPER_2POW13_CLK
*
* @param[in] u32SeedReload Reload new seed or not
* 0: not reload new seed
* 1: reload new seed
*
* @param[in] u32RefPattern Reference pattern
* - \ref TAMPER_REF_RANDOM_PATTERN
* - \ref TAMPER_REF_SEED
*
* @param[in] u32Seed Seed Value (0x0 ~ 0xFFFFFFFF)
*
* @return None
*
* @details This API is used to config dynamic tamper setting.
*/
void TAMPER_DynamicTamperConfig(uint32_t u32ChangeRate, uint32_t u32SeedReload, uint32_t u32RefPattern, uint32_t u32Seed)
{
uint32_t u32Reg;
u32Reg = TAMPER->TIOCTL;
u32Reg &= ~(TAMPER_TIOCTL_DYNSRC_Msk | TAMPER_TIOCTL_SEEDRLD_Msk | TAMPER_TIOCTL_DYNRATE_Msk);
u32Reg |= (u32ChangeRate) | ((u32SeedReload & 0x1UL) << TAMPER_TIOCTL_SEEDRLD_Pos) |
((u32RefPattern & 0x1UL) << TAMPER_TIOCTL_DYNSRC_Pos);
TAMPER->SEED = u32Seed; /* Need to set seed value before reloaded seed */
TAMPER->TIOCTL = u32Reg;
}
/**
* @brief Active Shield Dynamic Tamper Detect
*
* @param[in] u32PairSel1/2 Active shield 1/2 tamper pin detection enable. Possible options are
* - \ref TAMPER_PAIR0_SELECT
* - \ref TAMPER_PAIR1_SELECT
* - \ref TAMPER_PAIR2_SELECT
*
* @param[in] u32Pair1Source1/2 Active shield 1/2 dynamic pair 1 input source select
* 0: Pair 1 source select tamper 2
* 1: Pair 1 source select tamper 0
*
* @return None
*
* @details This API is used to enable the active shield dynamic tamper.
*/
void TAMPER_ActiveShieldDynamicTamperEnable(uint32_t u32PairSel1, uint32_t u32Pair1Source1, uint32_t u32PairSel2, uint32_t u32Pair1Source2)
{
uint32_t i;
uint32_t u32Reg1, u32Reg2;
uint32_t u32TmpReg1, u32TmpReg2;
u32Reg1 = TAMPER->ACTSTIOCTL1;
u32Reg1 &= ~(TAMPER_ACTSTIOCTL1_ATAMP0EN_Msk | TAMPER_ACTSTIOCTL1_ATAMP1EN_Msk | TAMPER_ACTSTIOCTL1_ATAMP2EN_Msk |
TAMPER_ACTSTIOCTL1_ATAMP3EN_Msk | TAMPER_ACTSTIOCTL1_ATAMP4EN_Msk | TAMPER_ACTSTIOCTL1_ATAMP5EN_Msk);
u32Reg2 = TAMPER->ACTSTIOCTL2;
u32Reg2 &= ~(TAMPER_ACTSTIOCTL2_ATAMP0EN2_Msk | TAMPER_ACTSTIOCTL2_ATAMP1EN2_Msk | TAMPER_ACTSTIOCTL2_ATAMP2EN2_Msk |
TAMPER_ACTSTIOCTL2_ATAMP3EN2_Msk | TAMPER_ACTSTIOCTL2_ATAMP4EN2_Msk | TAMPER_ACTSTIOCTL2_ATAMP5EN2_Msk);
u32Reg1 &= ~(TAMPER_ACTSTIOCTL1_ADYN1ISS_Msk);
u32Reg1 |= ((u32Pair1Source1 & 0x1UL) << TAMPER_ACTSTIOCTL1_ADYN1ISS_Pos);
u32Reg2 &= ~(TAMPER_ACTSTIOCTL2_ADYN1ISS2_Msk);
u32Reg2 |= ((u32Pair1Source2 & 0x1UL) << TAMPER_ACTSTIOCTL2_ADYN1ISS2_Pos);
u32TmpReg1 = (TAMPER_ACTSTIOCTL1_ATAMP0EN_Msk | TAMPER_ACTSTIOCTL1_ATAMP1EN_Msk | TAMPER_ACTSTIOCTL1_ADYNPR0EN_Msk);
u32TmpReg2 = (TAMPER_ACTSTIOCTL2_ATAMP0EN2_Msk | TAMPER_ACTSTIOCTL2_ATAMP1EN2_Msk | TAMPER_ACTSTIOCTL2_ADYNPR0EN2_Msk);
for(i = 0UL; i < (uint32_t)TAMPER_MAX_PAIR_NUM; i++)
{
if(u32PairSel1 & (0x1UL << i))
{
u32Reg1 |= (u32TmpReg1 << (i * 8UL));
}
if(u32PairSel2 & (0x1UL << i))
{
u32Reg2 |= (u32TmpReg2 << (i * 8UL));
}
}
if((u32Pair1Source1) && (u32PairSel1 & (uint32_t)TAMPER_PAIR1_SELECT))
{
u32Reg1 &= ~TAMPER_ACTSTIOCTL1_ATAMP2EN_Msk;
}
if((u32Pair1Source2) && (u32PairSel2 & (uint32_t)TAMPER_PAIR1_SELECT))
{
u32Reg2 &= ~TAMPER_ACTSTIOCTL2_ATAMP2EN2_Msk;
}
TAMPER->ACTSTIOCTL1 = u32Reg1;
TAMPER->ACTSTIOCTL2 = u32Reg2;
}
/**
* @brief Active Shield Dynamic Tamper Disable
*
* @param[in] u32PairSel1/2 Active shield 1/2 tamper pin detection disable. Possible options are
* - \ref TAMPER_PAIR0_SELECT
* - \ref TAMPER_PAIR1_SELECT
* - \ref TAMPER_PAIR2_SELECT
*
* @return None
*
* @details This API is used to disable the active shield dynamic tamper.
*/
void TAMPER_ActiveShieldDynamicTamperDisable(uint32_t u32PairSel1, uint32_t u32PairSel2)
{
uint32_t i;
uint32_t u32Reg1, u32Reg2;
uint32_t u32TmpReg1, u32TmpReg2;
uint32_t u32Tamper2En1 = 0UL, u32Tamper2En2 = 0UL;
u32Reg1 = TAMPER->ACTSTIOCTL1;
u32Reg2 = TAMPER->ACTSTIOCTL2;
if((u32Reg1 & (uint32_t)TAMPER_ACTSTIOCTL1_ADYN1ISS_Msk) && (u32PairSel1 & (uint32_t)TAMPER_PAIR1_SELECT))
{
u32Tamper2En1 = u32Reg1 & TAMPER_ACTSTIOCTL1_ATAMP2EN_Msk;
}
if((u32Reg2 & (uint32_t)TAMPER_ACTSTIOCTL2_ADYN1ISS2_Msk) && (u32PairSel2 & (uint32_t)TAMPER_PAIR1_SELECT))
{
u32Tamper2En2 = u32Reg2 & TAMPER_ACTSTIOCTL2_ATAMP2EN2_Msk;
}
u32TmpReg1 = (TAMPER_ACTSTIOCTL1_ATAMP0EN_Msk | TAMPER_ACTSTIOCTL1_ATAMP1EN_Msk | TAMPER_ACTSTIOCTL1_ADYNPR0EN_Msk);
u32TmpReg2 = (TAMPER_ACTSTIOCTL2_ATAMP0EN2_Msk | TAMPER_ACTSTIOCTL2_ATAMP1EN2_Msk | TAMPER_ACTSTIOCTL2_ADYNPR0EN2_Msk);
for(i = 0UL; i < (uint32_t)TAMPER_MAX_PAIR_NUM; i++)
{
if(u32PairSel1 & (0x1UL << i))
{
u32Reg1 &= ~(u32TmpReg1 << ((i * 8UL)));
}
if(u32PairSel2 & (0x1UL << i))
{
u32Reg2 &= ~(u32TmpReg2 << ((i * 8UL)));
}
}
u32Reg1 |= u32Tamper2En1;
u32Reg2 |= u32Tamper2En2;
TAMPER->ACTSTIOCTL1 = u32Reg1;
TAMPER->ACTSTIOCTL2 = u32Reg2;
}
/**
* @brief Config Active Shield Dynamic Tamper
*
* @param[in] u32ChangeRate1/2 The dynamic tamper output change rate
* - \ref TAMPER_ACTS_2POW10_CLK
* - \ref TAMPER_ACTS_2POW11_CLK
* - \ref TAMPER_ACTS_2POW12_CLK
* - \ref TAMPER_ACTS_2POW13_CLK
* - \ref TAMPER_ACTS_2POW14_CLK
* - \ref TAMPER_ACTS_2POW15_CLK
* - \ref TAMPER_ACTS_2POW16_CLK
* - \ref TAMPER_ACTS_2POW17_CLK
*
* @param[in] u32SeedReload1/2 Reload new seed or not
* 0: not reload new seed
* 1: reload new seed
*
* @param[in] u32RefPattern1/2 Reference pattern
* - \ref TAMPER_REF_RANDOM_PATTERN
* - \ref TAMPER_REF_SEED
*
* @param[in] u32Seed/2 Seed Value (0x0 ~ 0xFFFFFFFF)
*
* @return None
*
* @details This API is used to config active shield dynamic tamper setting.
*/
void TAMPER_ActiveShieldDynamicTamperConfig(uint32_t u32ChangeRate1, uint32_t u32SeedReload1, uint32_t u32RefPattern1, uint32_t u32Seed,
uint32_t u32ChangeRate2, uint32_t u32SeedReload2, uint32_t u32RefPattern2, uint32_t u32Seed2)
{
uint32_t u32Reg1, u32Reg2;
u32Reg1 = TAMPER->ACTSTIOCTL1;
u32Reg2 = TAMPER->ACTSTIOCTL2;
u32Reg1 &= ~(TAMPER_ACTSTIOCTL1_ADYNSRC_Msk | TAMPER_ACTSTIOCTL1_ADYNRATE_Msk);
u32Reg2 &= ~(TAMPER_ACTSTIOCTL2_ADYNSRC2_Msk | TAMPER_ACTSTIOCTL2_SEEDRLD2_Msk | TAMPER_ACTSTIOCTL2_ADYNRATE2_Msk);
u32Reg1 |= (u32ChangeRate1) | ((u32RefPattern1 & 0x1UL) << TAMPER_ACTSTIOCTL1_ADYNSRC_Pos);
u32Reg2 |= (u32ChangeRate2) | ((u32SeedReload2 & 0x1UL) << TAMPER_ACTSTIOCTL2_SEEDRLD2_Pos) |
((u32RefPattern2 & 0x1UL) << TAMPER_ACTSTIOCTL2_ADYNSRC2_Pos);
TAMPER->SEED = u32Seed; /* Need to set seed value before reloaded seed */
TAMPER->SEED2 = u32Seed2; /* Need to set seed value before reloaded seed */
TAMPER->ACTSTIOCTL1 = u32Reg1;
TAMPER->TIOCTL |= ((u32SeedReload1 & 0x1UL) << TAMPER_TIOCTL_SEEDRLD_Pos);
TAMPER->ACTSTIOCTL2 = u32Reg2;
}
/**@}*/ /* end of group TAMPER_EXPORTED_FUNCTIONS */
/**@}*/ /* end of group TAMPER_Driver */
/**@}*/ /* end of group Standard_Driver */
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