446 lines
17 KiB
C
446 lines
17 KiB
C
/******************************************************************************
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* @file nu_usci_uart.h
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* @version V3.00
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* @brief M2354 series USCI UART (UUART) driver header file
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*
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* @copyright SPDX-License-Identifier: Apache-2.0
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* @copyright Copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
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*****************************************************************************/
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#ifndef __NU_USCI_UART_H__
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#define __NU_USCI_UART_H__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/** @addtogroup Standard_Driver Standard Driver
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@{
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*/
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/** @addtogroup USCI_UART_Driver USCI_UART Driver
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@{
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*/
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/** @addtogroup USCI_UART_EXPORTED_CONSTANTS USCI_UART Exported Constants
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@{
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*/
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/*---------------------------------------------------------------------------------------------------------*/
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/* UUART_LINECTL constants definitions */
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/*---------------------------------------------------------------------------------------------------------*/
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#define UUART_WORD_LEN_6 (6UL << UUART_LINECTL_DWIDTH_Pos) /*!< UUART_LINECTL setting to set UART word length to 6 bits */
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#define UUART_WORD_LEN_7 (7UL << UUART_LINECTL_DWIDTH_Pos) /*!< UUART_LINECTL setting to set UART word length to 7 bits */
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#define UUART_WORD_LEN_8 (8UL << UUART_LINECTL_DWIDTH_Pos) /*!< UUART_LINECTL setting to set UART word length to 8 bits */
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#define UUART_WORD_LEN_9 (9UL << UUART_LINECTL_DWIDTH_Pos) /*!< UUART_LINECTL setting to set UART word length to 9 bits */
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/*---------------------------------------------------------------------------------------------------------*/
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/* UUART_PROTCTL constants definitions */
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/*---------------------------------------------------------------------------------------------------------*/
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#define UUART_PARITY_NONE (0x0UL << UUART_PROTCTL_PARITYEN_Pos) /*!< UUART_PROTCTL setting to set UART as no parity */
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#define UUART_PARITY_ODD (0x1UL << UUART_PROTCTL_PARITYEN_Pos) /*!< UUART_PROTCTL setting to set UART as odd parity */
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#define UUART_PARITY_EVEN (0x3UL << UUART_PROTCTL_PARITYEN_Pos) /*!< UUART_PROTCTL setting to set UART as even parity */
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#define UUART_STOP_BIT_1 (0x0UL) /*!< UUART_PROTCTL setting for one stop bit */
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#define UUART_STOP_BIT_2 (0x1UL) /*!< UUART_PROTCTL setting for two stop bit */
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/*---------------------------------------------------------------------------------------------------------*/
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/* USCI UART interrupt mask definitions */
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/*---------------------------------------------------------------------------------------------------------*/
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#define UUART_ABR_INT_MASK (0x002UL) /*!< Auto-baud rate interrupt mask */
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#define UUART_RLS_INT_MASK (0x004UL) /*!< Receive line status interrupt mask */
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#define UUART_BUF_RXOV_INT_MASK (0x008UL) /*!< Buffer RX overrun interrupt mask */
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#define UUART_TXST_INT_MASK (0x010UL) /*!< TX start interrupt mask */
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#define UUART_TXEND_INT_MASK (0x020UL) /*!< Tx end interrupt mask */
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#define UUART_RXST_INT_MASK (0x040UL) /*!< RX start interrupt mask */
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#define UUART_RXEND_INT_MASK (0x080UL) /*!< RX end interrupt mask */
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/**@}*/ /* end of group USCI_UART_EXPORTED_CONSTANTS */
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/** @addtogroup USCI_UART_EXPORTED_FUNCTIONS USCI_UART Exported Functions
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@{
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*/
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/**
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* @brief Write USCI_UART data
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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* @param[in] u8Data Data byte to transmit.
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*
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* @return None
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*
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* @details This macro write Data to Tx data register.
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*/
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#define UUART_WRITE(uuart, u8Data) ((uuart)->TXDAT = (u8Data))
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/**
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* @brief Read USCI_UART data
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @return The oldest data byte in RX buffer.
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*
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* @details This macro read Rx data register.
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*/
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#define UUART_READ(uuart) ((uuart)->RXDAT)
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/**
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* @brief Get Tx empty
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @retval 0 Tx buffer is not empty
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* @retval >=1 Tx buffer is empty
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*
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* @details This macro get Transmitter buffer empty register value.
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*/
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#define UUART_GET_TX_EMPTY(uuart) ((uuart)->BUFSTS & UUART_BUFSTS_TXEMPTY_Msk)
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/**
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* @brief Get Rx empty
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @retval 0 Rx buffer is not empty
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* @retval >=1 Rx buffer is empty
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*
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* @details This macro get Receiver buffer empty register value.
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*/
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#define UUART_GET_RX_EMPTY(uuart) ((uuart)->BUFSTS & UUART_BUFSTS_RXEMPTY_Msk)
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/**
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* @brief Check specified usci_uart port transmission is over.
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @retval 0 Tx transmission is not over
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* @retval 1 Tx transmission is over
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*
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* @details This macro return Transmitter Empty Flag register bit value. \n
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* It indicates if specified usci_uart port transmission is over nor not.
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*/
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#define UUART_IS_TX_EMPTY(uuart) (((uuart)->BUFSTS & UUART_BUFSTS_TXEMPTY_Msk) >> UUART_BUFSTS_TXEMPTY_Pos)
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/**
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* @brief Check specified usci_uart port receiver is empty.
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @retval 0 Rx receiver is not empty
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* @retval 1 Rx receiver is empty
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*
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* @details This macro return Receive Empty Flag register bit value. \n
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* It indicates if specified usci_uart port receiver is empty nor not.
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*/
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#define UUART_IS_RX_EMPTY(uuart) (((uuart)->BUFSTS & UUART_BUFSTS_RXEMPTY_Msk) >> UUART_BUFSTS_RXEMPTY_Pos)
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/**
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* @brief Wait specified usci_uart port transmission is over
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @return None
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*
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* @details This macro wait specified usci_uart port transmission is over.
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*/
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#define UUART_WAIT_TX_EMPTY(uuart) while(!((((uuart)->BUFSTS) & UUART_BUFSTS_TXEMPTY_Msk) >> UUART_BUFSTS_TXEMPTY_Pos))
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/**
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* @brief Check TX buffer is full or not
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @retval 1 TX buffer is full
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* @retval 0 TX buffer is not full
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*
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* @details This macro check TX buffer is full or not.
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*/
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#define UUART_IS_TX_FULL(uuart) (((uuart)->BUFSTS & UUART_BUFSTS_TXFULL_Msk)>>UUART_BUFSTS_TXFULL_Pos)
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/**
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* @brief Check RX buffer is full or not
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @retval 1 RX buffer is full
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* @retval 0 RX buffer is not full
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*
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* @details This macro check RX buffer is full or not.
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*/
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#define UUART_IS_RX_FULL(uuart) (((uuart)->BUFSTS & UUART_BUFSTS_RXFULL_Msk)>>UUART_BUFSTS_RXFULL_Pos)
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/**
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* @brief Get Tx full register value
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @retval 0 Tx buffer is not full.
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* @retval >=1 Tx buffer is full.
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*
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* @details This macro get Tx full register value.
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*/
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#define UUART_GET_TX_FULL(uuart) ((uuart)->BUFSTS & UUART_BUFSTS_TXFULL_Msk)
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/**
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* @brief Get Rx full register value
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @retval 0 Rx buffer is not full.
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* @retval >=1 Rx buffer is full.
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*
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* @details This macro get Rx full register value.
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*/
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#define UUART_GET_RX_FULL(uuart) ((uuart)->BUFSTS & UUART_BUFSTS_RXFULL_Msk)
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/**
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* @brief Enable specified USCI_UART protocol interrupt
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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* @param[in] u32IntSel Interrupt type select
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* - \ref UUART_PROTIEN_RLSIEN_Msk : Rx Line status interrupt
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* - \ref UUART_PROTIEN_ABRIEN_Msk : Auto-baud rate interrupt
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*
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* @return None
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*
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* @details This macro enable specified USCI_UART protocol interrupt.
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*/
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#define UUART_ENABLE_PROT_INT(uuart, u32IntSel) ((uuart)->PROTIEN |= (u32IntSel))
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/**
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* @brief Disable specified USCI_UART protocol interrupt
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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* @param[in] u32IntSel Interrupt type select
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* - \ref UUART_PROTIEN_RLSIEN_Msk : Rx Line status interrupt
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* - \ref UUART_PROTIEN_ABRIEN_Msk : Auto-baud rate interrupt
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*
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* @return None
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*
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* @details This macro disable specified USCI_UART protocol interrupt.
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*/
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#define UUART_DISABLE_PROT_INT(uuart, u32IntSel) ((uuart)->PROTIEN &= ~(u32IntSel))
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/**
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* @brief Enable specified USCI_UART buffer interrupt
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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* @param[in] u32IntSel Interrupt type select
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* - \ref UUART_BUFCTL_RXOVIEN_Msk : Receive buffer overrun error interrupt
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*
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* @return None
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*
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* @details This macro enable specified USCI_UART buffer interrupt.
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*/
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#define UUART_ENABLE_BUF_INT(uuart, u32IntSel) ((uuart)->BUFCTL |= (u32IntSel))
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/**
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* @brief Disable specified USCI_UART buffer interrupt
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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* @param[in] u32IntSel Interrupt type select
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* - \ref UUART_BUFCTL_RXOVIEN_Msk : Receive buffer overrun error interrupt
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*
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* @return None
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*
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* @details This macro disable specified USCI_UART buffer interrupt.
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*/
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#define UUART_DISABLE_BUF_INT(uuart, u32IntSel) ((uuart)->BUFCTL &= ~ (u32IntSel))
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/**
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* @brief Enable specified USCI_UART transfer interrupt
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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* @param[in] u32IntSel Interrupt type select
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* - \ref UUART_INTEN_RXENDIEN_Msk : Receive end interrupt
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* - \ref UUART_INTEN_RXSTIEN_Msk : Receive start interrupt
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* - \ref UUART_INTEN_TXENDIEN_Msk : Transmit end interrupt
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* - \ref UUART_INTEN_TXSTIEN_Msk : Transmit start interrupt
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*
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* @return None
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*
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* @details This macro enable specified USCI_UART transfer interrupt.
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*/
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#define UUART_ENABLE_TRANS_INT(uuart, u32IntSel) ((uuart)->INTEN |= (u32IntSel))
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/**
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* @brief Disable specified USCI_UART transfer interrupt
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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* @param[in] u32IntSel Interrupt type select
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* - \ref UUART_INTEN_RXENDIEN_Msk : Receive end interrupt
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* - \ref UUART_INTEN_RXSTIEN_Msk : Receive start interrupt
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* - \ref UUART_INTEN_TXENDIEN_Msk : Transmit end interrupt
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* - \ref UUART_INTEN_TXSTIEN_Msk : Transmit start interrupt
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*
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* @return None
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*
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* @details This macro disable specified USCI_UART transfer interrupt.
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*/
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#define UUART_DISABLE_TRANS_INT(uuart, u32IntSel) ((uuart)->INTEN &= ~(u32IntSel))
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/**
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* @brief Get protocol interrupt flag/status
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @return The interrupt flag/status of protocol status register.
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*
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* @details This macro get protocol status register value.
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*/
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#define UUART_GET_PROT_STATUS(uuart) ((uuart)->PROTSTS)
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/**
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* @brief Clear specified protocol interrupt flag
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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* @param[in] u32IntTypeFlag Interrupt Type Flag, should be
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* - \ref UUART_PROTSTS_ABERRSTS_Msk : Auto-baud Rate Error Interrupt Indicator
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* - \ref UUART_PROTSTS_ABRDETIF_Msk : Auto-baud Rate Detected Interrupt Flag
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* - \ref UUART_PROTSTS_BREAK_Msk : Break Flag
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* - \ref UUART_PROTSTS_FRMERR_Msk : Framing Error Flag
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* - \ref UUART_PROTSTS_PARITYERR_Msk : Parity Error Flag
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* - \ref UUART_PROTSTS_RXENDIF_Msk : Receive End Interrupt Flag
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* - \ref UUART_PROTSTS_RXSTIF_Msk : Receive Start Interrupt Flag
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* - \ref UUART_PROTSTS_TXENDIF_Msk : Transmit End Interrupt Flag
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* - \ref UUART_PROTSTS_TXSTIF_Msk : Transmit Start Interrupt Flag
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*
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* @return None
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*
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* @details This macro clear specified protocol interrupt flag.
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*/
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#define UUART_CLR_PROT_INT_FLAG(uuart,u32IntTypeFlag) ((uuart)->PROTSTS = (u32IntTypeFlag))
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/**
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* @brief Get transmit/receive buffer interrupt flag/status
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @return The interrupt flag/status of buffer status register.
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*
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* @details This macro get buffer status register value.
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*/
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#define UUART_GET_BUF_STATUS(uuart) ((uuart)->BUFSTS)
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/**
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* @brief Clear specified buffer interrupt flag
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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* @param[in] u32IntTypeFlag Interrupt Type Flag, should be
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* - \ref UUART_BUFSTS_RXOVIF_Msk : Receive Buffer Over-run Error Interrupt Indicator
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*
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* @return None
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*
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* @details This macro clear specified buffer interrupt flag.
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*/
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#define UUART_CLR_BUF_INT_FLAG(uuart,u32IntTypeFlag) ((uuart)->BUFSTS = (u32IntTypeFlag))
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/**
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* @brief Get wakeup flag
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @retval 0 Chip did not wake up from power-down mode.
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* @retval 1 Chip waked up from power-down mode.
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*
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* @details This macro get wakeup flag.
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*/
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#define UUART_GET_WAKEUP_FLAG(uuart) ((uuart)->WKSTS & UUART_WKSTS_WKF_Msk ? 1: 0 )
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/**
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* @brief Clear wakeup flag
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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*
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* @return None
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*
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* @details This macro clear wakeup flag.
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*/
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#define UUART_CLR_WAKEUP_FLAG(uuart) ((uuart)->WKSTS = UUART_WKSTS_WKF_Msk)
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/**
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* @brief Enable specified USCI_UART PDMA function
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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* @param[in] u32FuncSel Combination of following functions
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* - \ref UUART_PDMACTL_TXPDMAEN_Msk
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* - \ref UUART_PDMACTL_RXPDMAEN_Msk
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* - \ref UUART_PDMACTL_PDMAEN_Msk
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*
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* @return None
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*
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* @details This macro enable specified USCI_UART PDMA function.
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*/
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#define UUART_PDMA_ENABLE(uuart, u32FuncSel) ((uuart)->PDMACTL |= (u32FuncSel))
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/**
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* @brief Disable specified USCI_UART PDMA function
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*
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* @param[in] uuart The pointer of the specified USCI_UART module
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* @param[in] u32FuncSel Combination of following functions
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* - \ref UUART_PDMACTL_TXPDMAEN_Msk
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* - \ref UUART_PDMACTL_RXPDMAEN_Msk
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* - \ref UUART_PDMACTL_PDMAEN_Msk
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*
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* @return None
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*
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* @details This macro disable specified USCI_UART PDMA function.
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*/
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#define UUART_PDMA_DISABLE(uuart, u32FuncSel) ((uuart)->PDMACTL &= ~(u32FuncSel))
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void UUART_ClearIntFlag(UUART_T* uuart, uint32_t u32Mask);
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uint32_t UUART_GetIntFlag(UUART_T* uuart, uint32_t u32Mask);
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void UUART_Close(UUART_T* uuart);
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void UUART_DisableInt(UUART_T* uuart, uint32_t u32Mask);
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void UUART_EnableInt(UUART_T* uuart, uint32_t u32Mask);
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uint32_t UUART_Open(UUART_T* uuart, uint32_t u32baudrate);
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uint32_t UUART_Read(UUART_T* uuart, uint8_t pu8RxBuf[], uint32_t u32ReadBytes);
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uint32_t UUART_SetLine_Config(UUART_T* uuart, uint32_t u32baudrate, uint32_t u32data_width, uint32_t u32parity, uint32_t u32stop_bits);
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uint32_t UUART_Write(UUART_T* uuart, uint8_t pu8TxBuf[], uint32_t u32WriteBytes);
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void UUART_EnableWakeup(UUART_T* uuart, uint32_t u32WakeupMode);
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void UUART_DisableWakeup(UUART_T* uuart);
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void UUART_EnableFlowCtrl(UUART_T* uuart);
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void UUART_DisableFlowCtrl(UUART_T* uuart);
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/**@}*/ /* end of group USCI_UART_EXPORTED_FUNCTIONS */
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/**@}*/ /* end of group USCI_UART_Driver */
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/**@}*/ /* end of group Standard_Driver */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __NU_USCI_UART_H__ */
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