/*==================================================================================================
* Project : RTD AUTOSAR 4.4
* Platform : CORTEXM
* Peripheral : FLEXIO
* Dependencies :
*
* Autosar Version : 4.4.0
* Autosar Revision : ASR_REL_4_4_REV_0000
* Autosar Conf.Variant :
* SW Version : 1.0.0
* Build Version : S32K1_RTD_1_0_0_HF01_D2109_ASR_REL_4_4_REV_0000_20210907
*
* (c) Copyright 2020-2021 NXP Semiconductors
* All Rights Reserved.
*
* NXP Confidential. This software is owned or controlled by NXP and may only be
* used strictly in accordance with the applicable license terms. By expressly
* accepting such terms or by downloading, installing, activating and/or otherwise
* using the software, you are agreeing that you have read, and that you agree to
* comply with and are bound by, such license terms. If you do not agree to be
* bound by the applicable license terms, then you may not retain, install,
* activate or otherwise use the software.
==================================================================================================*/
#ifndef LPUART_UART_IP_HWACCESS_H__
#define LPUART_UART_IP_HWACCESS_H__
/**
* @file
* @internal
* @defgroup lpuart_ip Lpuart IPL
* @addtogroup lpuart_ip Lpuart IPL
* @{
*/
#ifdef __cplusplus
extern "C"{
#endif
/*==================================================================================================
* INCLUDE FILES
* 1) system and project includes
* 2) needed interfaces from external units
* 3) internal and external interfaces from this unit
==================================================================================================*/
#include "StandardTypes.h"
#include "OsIf.h"
#include "Lpuart_Uart_Ip_Defines.h"
#include "SchM_Uart.h"
/*==================================================================================================
* SOURCE FILE VERSION INFORMATION
==================================================================================================*/
#define LPUART_UART_IP_HWACCESS_VENDOR_ID 43
#define LPUART_UART_IP_HWACCESS_AR_RELEASE_MAJOR_VERSION 4
#define LPUART_UART_IP_HWACCESS_AR_RELEASE_MINOR_VERSION 4
#define LPUART_UART_IP_HWACCESS_AR_RELEASE_REVISION_VERSION 0
#define LPUART_UART_IP_HWACCESS_SW_MAJOR_VERSION 1
#define LPUART_UART_IP_HWACCESS_SW_MINOR_VERSION 0
#define LPUART_UART_IP_HWACCESS_SW_PATCH_VERSION 0
/*==================================================================================================
* FILE VERSION CHECKS
==================================================================================================*/
/* Checks against Lpuart_Uart_Ip_Defines.h */
#if (LPUART_UART_IP_HWACCESS_VENDOR_ID != LPUART_UART_IP_DEFINES_VENDOR_ID)
#error "Lpuart_Uart_Ip_HwAccess.h and Lpuart_Uart_Ip_Defines.h have different vendor ids"
#endif
#if ((LPUART_UART_IP_HWACCESS_AR_RELEASE_MAJOR_VERSION != LPUART_UART_IP_DEFINES_AR_RELEASE_MAJOR_VERSION) || \
(LPUART_UART_IP_HWACCESS_AR_RELEASE_MINOR_VERSION != LPUART_UART_IP_DEFINES_AR_RELEASE_MINOR_VERSION) || \
(LPUART_UART_IP_HWACCESS_AR_RELEASE_REVISION_VERSION != LPUART_UART_IP_DEFINES_AR_RELEASE_REVISION_VERSION))
#error "AUTOSAR Version Numbers of Lpuart_Uart_Ip_HwAccess.h and Lpuart_Uart_Ip_Defines.h are different"
#endif
#if ((LPUART_UART_IP_HWACCESS_SW_MAJOR_VERSION != LPUART_UART_IP_DEFINES_SW_MAJOR_VERSION) || \
(LPUART_UART_IP_HWACCESS_SW_MINOR_VERSION != LPUART_UART_IP_DEFINES_SW_MINOR_VERSION) || \
(LPUART_UART_IP_HWACCESS_SW_PATCH_VERSION != LPUART_UART_IP_DEFINES_SW_PATCH_VERSION))
#error "Software Version Numbers of Lpuart_Uart_Ip_HwAccess.h and Lpuart_Uart_Ip_Defines.h are different"
#endif
#ifndef DISABLE_MCAL_INTERMODULE_ASR_CHECK
/* Check if current file and StandardTypes.h header file are of the same Autosar version */
#if ((LPUART_UART_IP_HWACCESS_AR_RELEASE_MAJOR_VERSION != STD_AR_RELEASE_MAJOR_VERSION) || \
(LPUART_UART_IP_HWACCESS_AR_RELEASE_MINOR_VERSION != STD_AR_RELEASE_MINOR_VERSION))
#error "Lpuart_Uart_Ip_HwAccess.h and StandardTypes.h are different"
#endif
/* Check if current file and OsIf.h header file are of the same Autosar version */
#if ((LPUART_UART_IP_HWACCESS_AR_RELEASE_MAJOR_VERSION != OSIF_AR_RELEASE_MAJOR_VERSION) || \
(LPUART_UART_IP_HWACCESS_AR_RELEASE_MINOR_VERSION != OSIF_AR_RELEASE_MINOR_VERSION))
#error "Lpuart_Uart_Ip_HwAccess.h and OsIf.h are different"
#endif
/* Check if current file and SchM_Uart.h header file are of the same Autosar version */
#if ((LPUART_UART_IP_HWACCESS_AR_RELEASE_MAJOR_VERSION != SCHM_UART_AR_RELEASE_MAJOR_VERSION) || \
(LPUART_UART_IP_HWACCESS_AR_RELEASE_MINOR_VERSION != SCHM_UART_AR_RELEASE_MAJOR_VERSION))
#error "Lpuart_Uart_Ip_HwAccess.h and SchM_Uart.h are different"
#endif
#endif
/*==================================================================================================
* CONSTANTS
==================================================================================================*/
/*==================================================================================================
* DEFINES AND MACROS
==================================================================================================*/
#define LPUART_FEATURE_DEFAULT_OSR (0xFU)
#define LPUART_FEATURE_DEFAULT_SBR (0x4U)
#define LPUART_FEATURE_STAT_REG_FLAGS_MASK (0xC01FC000U)
/*! @brief LPUART number of bits in a character
*
*
*/
/* implements Lpuart_Uart_Ip_BitCountPerCharType_enum */
typedef enum
{
LPUART_UART_IP_7_BITS_PER_CHAR = 0x0U, /*!< 7-bit data characters */
LPUART_UART_IP_8_BITS_PER_CHAR = 0x1U, /*!< 8-bit data characters */
LPUART_UART_IP_9_BITS_PER_CHAR = 0x2U, /*!< 9-bit data characters */
LPUART_UART_IP_10_BITS_PER_CHAR = 0x3U /*!< 10-bit data characters */
} Lpuart_Uart_Ip_BitCountPerCharType;
/*! @brief LPUART parity mode
*
*
*/
/* implements Lpuart_Uart_Ip_ParityModeType_enum */
typedef enum
{
LPUART_UART_IP_PARITY_DISABLED = 0x0U, /*!< parity disabled */
LPUART_UART_IP_PARITY_EVEN = 0x2U, /*!< parity enabled, type even, bit setting: PE|PT = 10 */
LPUART_UART_IP_PARITY_ODD = 0x3U /*!< parity enabled, type odd, bit setting: PE|PT = 11 */
} Lpuart_Uart_Ip_ParityModeType;
typedef enum
{
LPUART_UART_IP_ONE_STOP_BIT = 0x0U, /*!< one stop bit */
LPUART_UART_IP_TWO_STOP_BIT = 0x1U /*!< two stop bits */
} Lpuart_Uart_Ip_StopBitCountType;
/*!
* @brief LPUART status flags.
*
* This provides constants for the LPUART status flags for use in the UART functions.
*/
typedef enum
{
LPUART_UART_IP_TX_DATA_REG_EMPTY = (uint32)LPUART_STAT_TDRE_SHIFT,
/*!< Tx data register empty flag, sets when Tx buffer is empty */
LPUART_UART_IP_TX_COMPLETE = (uint32)LPUART_STAT_TC_SHIFT,
/*!< Transmission complete flag, sets when transmission activity complete */
LPUART_UART_IP_DATA_REG_FULL = (uint32)LPUART_STAT_RDRF_SHIFT,
/*!< Rx data register full flag, sets when the receive data buffer is full */
LPUART_UART_IP_RX_OVERRUN = (uint32)LPUART_STAT_OR_SHIFT,
/*!< Rx Overrun sets if new data is received before data is read */
LPUART_UART_IP_NOISE_DETECT = (uint32)LPUART_STAT_NF_SHIFT,
/*!< Rx takes 3 samples of each received bit. If these differ, the flag sets */
LPUART_UART_IP_FRAME_ERR = (uint32)LPUART_STAT_FE_SHIFT,
/*!< Frame error flag, sets if logic 0 was detected where stop bit expected */
LPUART_UART_IP_PARITY_ERR = (uint32)LPUART_STAT_PF_SHIFT,
LPUART_UART_IP_IDLE = (uint32)LPUART_STAT_IDLE_SHIFT, //zhengchao
} Lpuart_Uart_Ip_StatusFlagType;
/*! @brief LPUART interrupt configuration structure, default settings are 0 (disabled) */
typedef enum
{
LPUART_UART_IP_INT_TX_DATA_REG_EMPTY = (uint32)LPUART_CTRL_TIE_SHIFT, /*!< Transmit data register empty. */
LPUART_UART_IP_INT_TX_COMPLETE = (uint32)LPUART_CTRL_TCIE_SHIFT, /*!< Transmission complete. */
LPUART_UART_IP_INT_RX_DATA_REG_FULL = (uint32)LPUART_CTRL_RIE_SHIFT, /*!< Receiver data register full. */
LPUART_UART_IP_INT_RX_OVERRUN = (uint32)LPUART_CTRL_ORIE_SHIFT, /*!< Receiver Overrun. */
LPUART_UART_IP_INT_NOISE_ERR_FLAG = (uint32)LPUART_CTRL_NEIE_SHIFT, /*!< Noise error flag. */
LPUART_UART_IP_INT_FRAME_ERR_FLAG = (uint32)LPUART_CTRL_FEIE_SHIFT, /*!< Framing error flag. */
LPUART_UART_IP_INT_PARITY_ERR_FLAG = (uint32)LPUART_CTRL_PEIE_SHIFT, /*!< Parity error flag. */
LPUART_UART_IP_INT_IDLE = (uint32)LPUART_CTRL_ILIE_SHIFT, //zhengchao
} Lpuart_Uart_Ip_InterruptType;
/*==================================================================================================
* STRUCTURES AND OTHER TYPEDEFS
==================================================================================================*/
/*==================================================================================================
* GLOBAL VARIABLE DECLARATIONS
==================================================================================================*/
/*==================================================================================================
* FUNCTION PROTOTYPES
==================================================================================================*/
#define UART_START_SEC_CODE
#include "Uart_MemMap.h"
/*!
* @brief Initializes the LPUART controller.
*
* This function Initializes the LPUART controller to known state.
*
*
* @param Base LPUART base pointer.
*/
static inline void Lpuart_Uart_Ip_Hw_Init(LPUART_Type * Base)
{
/* Set the default oversampling ratio (16) and baud-rate divider (4) */
Base->BAUD = ((uint32)(((uint32)LPUART_FEATURE_DEFAULT_OSR << LPUART_BAUD_OSR_SHIFT) | \
(LPUART_FEATURE_DEFAULT_SBR << LPUART_BAUD_SBR_SHIFT)));
/* Clear the error/interrupt flags */
Base->STAT = LPUART_FEATURE_STAT_REG_FLAGS_MASK;
/* Reset all features/interrupts by default */
Base->CTRL = 0x00000000;
}
/*!
* @brief Enable/Disable the LPUART transmitter.
*
* This function enables or disables the LPUART transmitter, based on the
* parameter received.
*
*
* @param Base LPUART base pointer.
* @param Enable Enable(true) or disable(false) transmitter.
*/
static inline void Lpuart_Uart_Ip_SetTransmitterCmd(LPUART_Type * Base, boolean Enable)
{
Base->CTRL = (Base->CTRL & ~LPUART_CTRL_TE_MASK) | ((Enable ? 1UL : 0UL) << LPUART_CTRL_TE_SHIFT);
}
/*!
* @brief Enable/Disable the LPUART receiver.
*
* This function enables or disables the LPUART receiver, based on the
* parameter received.
*
*
* @param Base LPUART base pointer
* @param Enable Enable(true) or disable(false) receiver.
*/
static inline void Lpuart_Uart_Ip_SetReceiverCmd(LPUART_Type * Base, boolean Enable)
{
Base->CTRL = (Base->CTRL & ~LPUART_CTRL_RE_MASK) | ((Enable ? 1UL : 0UL) << LPUART_CTRL_RE_SHIFT);
}
/*!
* @brief Sets the LPUART baud rate modulo divisor.
*
* This function sets the LPUART baud rate modulo divisor.
*
*
* @param Base LPUART base pointer.
* @param baudRateDivisor The baud rate modulo division "SBR"
*/
static inline void Lpuart_Uart_Ip_SetBaudRateDivisor(LPUART_Type * Base, uint32 baudRateDivisor)
{
Base->BAUD = (Base->BAUD & ~LPUART_BAUD_SBR_MASK) | (baudRateDivisor & LPUART_BAUD_SBR_MASK);
}
/*!
* @brief Gets the LPUART baud rate modulo divisor.
*
* This function gets the LPUART baud rate modulo divisor.
*
*
* @param Base LPUART base pointer.
* @return The baud rate modulo division "SBR"
*/
static inline uint16 Lpuart_Uart_Ip_GetBaudRateDivisor(const LPUART_Type * Base)
{
return ((uint16)((Base->BAUD & LPUART_BAUD_SBR_MASK) >> LPUART_BAUD_SBR_SHIFT));
}
/*!
* @brief Sets the LPUART baud rate oversampling ratio
*
* This function sets the LPUART baud rate oversampling ratio.
* (Note: Feature available on select LPUART instances used together with baud rate programming)
* The oversampling ratio should be set between 4x (00011) and 32x (11111). Writing
* an invalid oversampling ratio results in an error and is set to a default
* 16x (01111) oversampling ratio.
* Disable the transmitter/receiver before calling this function.
*
*
* @param Base LPUART base pointer.
* @param OverSamplingRatio The oversampling ratio "OSR"
*/
static inline void Lpuart_Uart_Ip_SetOversamplingRatio(LPUART_Type * Base, uint32 OverSamplingRatio)
{
Base->BAUD = (Base->BAUD & ~LPUART_BAUD_OSR_MASK) | LPUART_BAUD_OSR(OverSamplingRatio);
}
/*!
* @brief Gets the LPUART baud rate oversampling ratio
*
* This function gets the LPUART baud rate oversampling ratio.
* (Note: Feature available on select LPUART instances used together with baud rate programming)
*
*
* @param Base LPUART base pointer.
* @return The oversampling ratio "OSR"
*/
static inline uint8 Lpuart_Uart_Ip_GetOversamplingRatio(const LPUART_Type * Base)
{
return ((uint8)((Base->BAUD & LPUART_BAUD_OSR_MASK) >> LPUART_BAUD_OSR_SHIFT));
}
/*!
* @brief Configures the LPUART baud rate both edge sampling
*
* This function configures the LPUART baud rate both edge sampling.
* (Note: Feature available on select LPUART instances used with baud rate programming)
* When enabled, the received data is sampled on both edges of the baud rate clock.
* This must be set when the oversampling ratio is between 4x and 7x.
* This function should only be called when the receiver is disabled.
*
*
* @param Base LPUART base pointer.
*/
static inline void Lpuart_Uart_Ip_EnableBothEdgeSamplingCmd(LPUART_Type * Base)
{
Base->BAUD |= LPUART_BAUD_BOTHEDGE_MASK;
}
/*!
* @brief Configures the number of bits per character in the LPUART controller.
*
* This function configures the number of bits per character in the LPUART controller.
* In some LPUART instances, the user should disable the transmitter/receiver
* before calling this function.
* Generally, this may be applied to all LPUARTs to ensure safe operation.
*
* @param Base LPUART base pointer.
* @param BitCountPerChar Number of bits per char (7, 8, 9, or 10, depending on the LPUART instance)
* @param Parity Specifies whether parity bit is enabled
*/
static inline void Lpuart_Uart_Ip_SetBitCountPerChar(LPUART_Type * Base,
Lpuart_Uart_Ip_BitCountPerCharType BitCountPerChar,
boolean Parity)
{
uint32 TmpBitCountPerChar = (uint32)BitCountPerChar;
if (Parity)
{
TmpBitCountPerChar += 1U;
}
if (TmpBitCountPerChar == (uint32)LPUART_UART_IP_10_BITS_PER_CHAR)
{
Base->BAUD = (Base->BAUD & ~LPUART_BAUD_M10_MASK) | ((uint32)1U << LPUART_BAUD_M10_SHIFT);
}
else
{
if (LPUART_UART_IP_7_BITS_PER_CHAR == BitCountPerChar)
{
/* Check if parity is enabled or not*/
if (Parity)
{
/* clear M7 to make sure not 7-bit mode (M7 = 0) and config 8 bits (M = 0) */
Base->CTRL &= ~(LPUART_CTRL_M7_MASK | LPUART_CTRL_M_MASK);
}
else
{
/* config 7-bits (M7 = 1)*/
Base->CTRL = (Base->CTRL & ~LPUART_CTRL_M7_MASK) | ((uint32)1U << LPUART_CTRL_M7_SHIFT);
}
}
else
{
TmpBitCountPerChar -= 1U;
/* config 8-bit (M=0) or 9-bits (M=1) */
Base->CTRL = (Base->CTRL & ~LPUART_CTRL_M_MASK) | (TmpBitCountPerChar << LPUART_CTRL_M_SHIFT);
}
/* clear M10 to make sure not 10-bit mode */
Base->BAUD &= ~LPUART_BAUD_M10_MASK;
}
}
/*!
* @brief Configures parity mode in the LPUART controller.
*
* This function configures parity mode in the LPUART controller.
* In some LPUART instances, the user should disable the transmitter/receiver
* before calling this function.
* Generally, this may be applied to all LPUARTs to ensure safe operation.
*
* @param Base LPUART base pointer.
* @param ParityModeType Parity mode (enabled, disable, odd, even - see parity_mode_t struct)
*/
static inline void Lpuart_Uart_Ip_SetParityMode(LPUART_Type * Base, Lpuart_Uart_Ip_ParityModeType ParityModeType)
{
Base->CTRL = (Base->CTRL & ~LPUART_CTRL_PE_MASK) | (((uint32)ParityModeType >> 1U) << LPUART_CTRL_PE_SHIFT);
Base->CTRL = (Base->CTRL & ~LPUART_CTRL_PT_MASK) | (((uint32)ParityModeType & 1U) << LPUART_CTRL_PT_SHIFT);
}
/*!
* @brief Configures the number of stop bits in the LPUART controller.
*
* This function configures the number of stop bits in the LPUART controller.
* In some LPUART instances, the user should disable the transmitter/receiver
* before calling this function.
* Generally, this may be applied to all LPUARTs to ensure safe operation.
*
* @param Base LPUART base pointer.
* @param StopBitCount Number of stop bits (1 or 2 - see Lpuart_Uart_Ip_StopBitCountType struct)
*/
static inline void Lpuart_Uart_Ip_SetStopBitCount(LPUART_Type * Base, Lpuart_Uart_Ip_StopBitCountType StopBitCount)
{
Base->BAUD = (Base->BAUD & ~LPUART_BAUD_SBNS_MASK) | ((uint32)StopBitCount << LPUART_BAUD_SBNS_SHIFT);
}
/*!
* @brief Configures the LPUART module interrupts.
*
* This function configures the LPUART module interrupts to enable/disable various interrupt sources.
*
*
* @param Base LPUART module base pointer.
* @param IntSrc LPUART interrupt configuration data.
* @param Enable true: enable, false: disable.
*/
static inline void Lpuart_Uart_Ip_SetIntMode(LPUART_Type * Base, Lpuart_Uart_Ip_InterruptType IntSrc, boolean Enable)
{
Base->CTRL = (Base->CTRL & ~(1UL << (uint32)IntSrc)) | ((Enable ? 1U : 0U) << (uint32)IntSrc);
}
/*!
* @brief Returns LPUART module interrupts state.
*
* This function returns whether a certain LPUART module interrupt is enabled or disabled.
*
*
* @param Base LPUART module base pointer.
* @param IntSrc LPUART interrupt configuration data.
* @return true: enable, false: disable.
*/
static inline boolean Lpuart_Uart_Ip_GetIntMode(const LPUART_Type * Base, Lpuart_Uart_Ip_InterruptType IntSrc)
{
boolean RetVal = FALSE;
RetVal = (((Base->CTRL >> (uint32)(IntSrc)) & 1U) > 0U);
return RetVal;
}
#if (LPUART_UART_IP_HAS_DMA_ENABLED == STD_ON)
/*!
* @brief Configures DMA requests.
*
* This function configures DMA requests for LPUART Transmitter.
*
*
* @param Base LPUART base pointer
* @param Enable Transmit DMA request configuration (enable:1 /disable: 0)
*/
static inline void Lpuart_Uart_Ip_SetTxDmaCmd(LPUART_Type * Base, boolean Enable)
{
Base->BAUD = (Base->BAUD & ~LPUART_BAUD_TDMAE_MASK) | ((Enable ? 1UL : 0UL) << LPUART_BAUD_TDMAE_SHIFT);
}
/*!
* @brief Configures DMA requests.
*
* This function configures DMA requests for LPUART Receiver.
*
*
* @param Base LPUART base pointer
* @param Enable Receive DMA request configuration (enable: 1/disable: 0)
*/
static inline void Lpuart_Uart_Ip_SetRxDmaCmd(LPUART_Type * Base, boolean Enable)
{
Base->BAUD = (Base->BAUD & ~LPUART_BAUD_RDMAE_MASK) | ((Enable ? 1UL : 0UL) << LPUART_BAUD_RDMAE_SHIFT);
}
#endif
/*!
* @brief Sends the LPUART 8-bit character.
*
* This functions sends an 8-bit character.
*
*
* @param Base LPUART Instance
* @param Data data to send (8-bit)
*/
static inline void Lpuart_Uart_Ip_Putchar(LPUART_Type * Base, uint8 Data)
{
volatile uint8 * DataRegBytes = (volatile uint8 *)(&(Base->DATA));
DataRegBytes[0] = Data;
}
/*!
* @brief Sends the LPUART 9-bit character.
*
* This functions sends a 9-bit character.
*
*
* @param Base LPUART Instance
* @param Data data to send (9-bit)
*/
static inline void Lpuart_Uart_Ip_Putchar9(LPUART_Type * Base, uint16 Data)
{
uint8 NinthDataBit;
volatile uint8 * DataRegBytes = (volatile uint8 *)(&(Base->DATA));
NinthDataBit = (uint8)((Data >> 8U) & 0x1U);
/* write to ninth data bit T8(where T[0:7]=8-bits, T8=9th bit) */
Base->CTRL = (Base->CTRL & ~LPUART_CTRL_R9T8_MASK) | ((uint32)(NinthDataBit) << LPUART_CTRL_R9T8_SHIFT);
/* write 8-bits to the data register*/
DataRegBytes[0] = (uint8)Data;
}
/*!
* @brief Sends the LPUART 10-bit character (Note: Feature available on select LPUART instances).
*
* This functions sends a 10-bit character.
*
*
* @param Base LPUART Instance
* @param Data data to send (10-bit)
*/
static inline void Lpuart_Uart_Ip_Putchar10(LPUART_Type * Base, uint16 Data)
{
uint8 NinthDataBit, TenthDataBit;
uint32 CtrlRegVal;
volatile uint8 * DataRegBytes = (volatile uint8 *)(&(Base->DATA));
NinthDataBit = (uint8)((Data >> 8U) & 0x1U);
TenthDataBit = (uint8)((Data >> 9U) & 0x1U);
/* write to ninth/tenth data bit (T[0:7]=8-bits, T8=9th bit, T9=10th bit) */
CtrlRegVal = Base->CTRL;
CtrlRegVal = (CtrlRegVal & ~LPUART_CTRL_R9T8_MASK) | ((uint32)NinthDataBit << LPUART_CTRL_R9T8_SHIFT);
CtrlRegVal = (CtrlRegVal & ~LPUART_CTRL_R8T9_MASK) | ((uint32)TenthDataBit << LPUART_CTRL_R8T9_SHIFT);
/*Note: T8(9th bit) and T9(10th bit) should be written at same time. */
Base->CTRL = CtrlRegVal;
/* write to 8-bits to the Data register */
DataRegBytes[0] = (uint8)Data;
}
/*!
* @brief Gets the LPUART 8-bit character.
*
* This functions receives an 8-bit character.
*
*
* @param Base LPUART base pointer
* @param ReadData Data read from receive (8-bit)
*/
static inline uint8 Lpuart_Uart_Ip_Getchar(const LPUART_Type * Base)
{
return (uint8)Base->DATA;
}
/*!
* @brief Gets the LPUART 9-bit character.
*
* This functions receives a 9-bit character.
*
*
* @param Base LPUART base pointer
*/
static inline uint16 Lpuart_Uart_Ip_Getchar9(const LPUART_Type * Base)
{
uint16 ReadData;
/* get ninth bit from lpuart data register */
ReadData = (uint16)(((Base->CTRL >> LPUART_CTRL_R8T9_SHIFT) & 1U) << 8);
/* get 8-bit data from the lpuart data register */
ReadData |= (uint8)Base->DATA;
return ReadData;
}
/*!
* @brief Gets the LPUART 10-bit character.
*
* This functions receives a 10-bit character.
*
*
* @param Base LPUART Base pointer
*/
static inline uint16 Lpuart_Uart_Ip_Getchar10(const LPUART_Type * Base)
{
uint16 ReadData;
/* read tenth data bit */
ReadData = (uint16)(((Base->CTRL >> LPUART_CTRL_R9T8_SHIFT) & 1U) << 9);
/* read ninth data bit */
ReadData |= (uint16)(((Base->CTRL >> LPUART_CTRL_R8T9_SHIFT) & 1U) << 8);
/* get 8-bit data */
ReadData |= (uint8)Base->DATA;
return ReadData;
}
/*!
* @brief LPUART get status flag
*
* This function returns the state of a status flag.
*
*
* @param Base LPUART base pointer
* @param StatusFlag The status flag to query
* @return Whether the current status flag is set(true) or not(false).
*/
static inline boolean Lpuart_Uart_Ip_GetStatusFlag(const LPUART_Type * Base, Lpuart_Uart_Ip_StatusFlagType StatusFlag)
{
boolean RetVal = FALSE;
RetVal = (((Base->STAT >> (uint32)(StatusFlag)) & 1U) > 0U);
return RetVal;
}
/*!
* @brief LPUART clears an individual status flag.
*
* This function clears an individual status flag (see Lpuart_Uart_Ip_StatusFlagType for list of status bits).
*
*
* @param Base LPUART base pointer
* @param StatusFlag Desired LPUART status flag to clear
* @return LPUART_UART_IP_STATUS_SUCCESS if successful or STATUS_ERROR if an error occured
*/
static inline void Lpuart_Uart_Ip_ClearStatusFlag(LPUART_Type * Base, Lpuart_Uart_Ip_StatusFlagType StatusFlag)
{
switch(StatusFlag)
{
case LPUART_UART_IP_RX_OVERRUN:
Base->STAT = (Base->STAT & (~LPUART_FEATURE_STAT_REG_FLAGS_MASK)) | LPUART_STAT_OR_MASK;
break;
case LPUART_UART_IP_NOISE_DETECT:
Base->STAT = (Base->STAT & (~LPUART_FEATURE_STAT_REG_FLAGS_MASK)) | LPUART_STAT_NF_MASK;
break;
case LPUART_UART_IP_FRAME_ERR:
Base->STAT = (Base->STAT & (~LPUART_FEATURE_STAT_REG_FLAGS_MASK)) | LPUART_STAT_FE_MASK;
break;
case LPUART_UART_IP_PARITY_ERR:
Base->STAT = (Base->STAT & (~LPUART_FEATURE_STAT_REG_FLAGS_MASK)) | LPUART_STAT_PF_MASK;
break;
case LPUART_UART_IP_IDLE://Chenjie
Base->STAT = (Base->STAT & (~LPUART_FEATURE_STAT_REG_FLAGS_MASK)) | LPUART_STAT_IDLE_MASK;
break;
default:
/* Dummy code */
break;
}
}
/*!
* @brief LPUART clears an individual status flag.
*
* This function clears an individual status flag (see Lpuart_Uart_Ip_StatusFlagType for list of status bits).
*
*
* @param Base LPUART base pointer
* @param Mask LPUART Status Register Mask to clear
*/
static inline void Lpuart_Uart_Ip_ClearStatusFlagWithMask(LPUART_Type * Base, uint32 Mask)
{
Base->STAT = (Base->STAT & (~LPUART_FEATURE_STAT_REG_FLAGS_MASK)) | Mask;
}
/*!
* @brief Clears the error flags treated by the driver
*
* This function clears the error flags treated by the driver.
* *
* @param Base LPUART Base pointer
*/
static inline void Lpuart_Uart_Ip_ClearErrorFlags(LPUART_Type * Base)
{
uint32 Mask = LPUART_STAT_OR_MASK | \
LPUART_STAT_NF_MASK | \
LPUART_STAT_FE_MASK | \
LPUART_STAT_PF_MASK;
Base->STAT = (Base->STAT & (~LPUART_FEATURE_STAT_REG_FLAGS_MASK)) | Mask;
}
/**
* @brief : Prepare for timeout checking
* @internal
* @return : None
*/
static inline void Lpuart_Uart_Ip_StartTimeout(uint32 *StartTimeOut, uint32 *TimeoutTicksOut, uint32 TimeoutUs, OsIf_CounterType OsifCounter)
{
*StartTimeOut = OsIf_GetCounter(OsifCounter);
*TimeoutTicksOut = OsIf_MicrosToTicks(TimeoutUs, OsifCounter);
}
/**
* @brief : Checks for timeout condition
* @internal
* @return TRUE Timeout occurs
* FALSE Timeout does not occur
*/
static inline boolean Lpuart_Uart_Ip_CheckTimeout(uint32 * StartTime, uint32 * ElapsedTicks, uint32 TimeoutTicks, OsIf_CounterType OsifCounter)
{
uint32 CurrentElapsedTicks = OsIf_GetElapsed(StartTime, OsifCounter);
*ElapsedTicks += CurrentElapsedTicks;
return ((*ElapsedTicks >= TimeoutTicks) ? TRUE : FALSE);
}
/**
* @brief : Flush Tx Buffer
*
* This function causes all data that is stored in the transmit FIFO/buffer to be flushed.
* *
* @param Base LPUART Base pointer
*/
static inline void Lpuart_Uart_Ip_FlushTxBuffer(LPUART_Type * Base)
{
Base->FIFO |= LPUART_FIFO_TXFLUSH_MASK;
}
/**
* @brief : Flush Rx Buffer
*
* This function causes all data that is stored in the receive FIFO/buffer to be flushed.
* *
* @param Base LPUART Base pointer
*/
static inline void Lpuart_Uart_Ip_FlushRxBuffer(LPUART_Type * Base)
{
Base->FIFO |= LPUART_FIFO_RXFLUSH_MASK;
}
#define UART_STOP_SEC_CODE
#include "Uart_MemMap.h"
#if defined(__cplusplus)
}
#endif
/*@}*/
#endif /* LPUART_HW_ACCESS_H__ */