/*! * @file apm32f0xx_usart.h * * @brief This file contains all the functions prototypes for the USART firmware library * * @version V1.0.3 * * @date 2022-09-20 * * @attention * * Copyright (C) 2020-2022 Geehy Semiconductor * * You may not use this file except in compliance with the * GEEHY COPYRIGHT NOTICE (GEEHY SOFTWARE PACKAGE LICENSE). * * The program is only for reference, which is distributed in the hope * that it will be useful and instructional for customers to develop * their software. Unless required by applicable law or agreed to in * writing, the program is distributed on an "AS IS" BASIS, WITHOUT * ANY WARRANTY OR CONDITIONS OF ANY KIND, either express or implied. * See the GEEHY SOFTWARE PACKAGE LICENSE for the governing permissions * and limitations under the License. */ #ifndef __APM32F0XX_USART_H #define __APM32F0XX_USART_H #ifdef __cplusplus extern "C" { #endif #include "apm32f0xx.h" /** @addtogroup APM32F0xx_StdPeriphDriver @{ */ /** @addtogroup USART_Driver USART Driver @{ */ /** @defgroup USART_Macros Macros @{ */ /** Macros description */ #define USART_MACROS 1 /**@} end of group USART_Macros*/ /** @defgroup USART_Enumerations Enumerations @{ */ /** * @brief USART Word Length define */ typedef enum { USART_WORD_LEN_8B = 0, /*!< 8-bit data length */ USART_WORD_LEN_9B = BIT12, /*!< 9-bit data length */ USART_WORD_LEN_7B = BIT12 | BIT28 /*!< only available for APM32F072 and APM32F030 devices */ } USART_WORD_LEN_T; /** * @brief USART Stop bits define */ typedef enum { USART_STOP_BIT_1 = 0, /*!< 1-bit stop bit */ USART_STOP_BIT_2 = BIT13, /*!< 2-bit stop bit */ USART_STOP_BIT_1_5 = BIT12 | BIT13 /*!< 1.5-bit stop bit */ } USART_STOP_BITS_T; /** * @brief USART Parity define */ typedef enum { USART_PARITY_NONE = 0, /*!< Disable parity control */ USART_PARITY_EVEN = BIT10, /*!< Enable even parity control */ USART_PARITY_ODD = BIT10 | BIT9 /*!< Enable odd parity control*/ } USART_PARITY_T; /** * @brief USART mode define */ typedef enum { USART_MODE_RX = BIT2, /*!< Enable USART Receive mode */ USART_MODE_TX = BIT3, /*!< Enable USART transmit mode */ USART_MODE_TX_RX = BIT2 | BIT3 /*!< Enable USART receive and transmit mode */ } USART_MODE_T; /** * @brief USART hardware flow control define */ typedef enum { USART_FLOW_CTRL_NONE = 0, /*!< Disable hardware flow control */ USART_FLOW_CTRL_RTS = BIT8, /*!< Enable RTS hardware flow control */ USART_FLOW_CTRL_CTS = BIT9, /*!< Enable CTS hardware flow control */ USART_FLOW_CTRL_RTS_CTS = BIT8 | BIT9 /*!< Enable RTS and CTS hardware flow control */ } USART_HARDWARE_FLOW_CTRL_T; /** * @brief USART synchronization clock enable/disable */ typedef enum { USART_CLKEN_DISABLE = ((uint8_t)0), /*!< Disable usart clock */ USART_CLKEN_ENABLE = ((uint8_t)1) /*!< Enable usart clock */ } USART_CLKEN_T; /** * @brief USART Clock polarity define */ typedef enum { USART_CLKPOL_LOW = ((uint8_t)0), /*!< Set clock polarity to low */ USART_CLKPOL_HIGH = ((uint8_t)1) /*!< Set clock polarity to high */ } USART_CLKPOL_T; /** * @brief USART Clock phase define */ typedef enum { USART_CLKPHA_1EDGE = ((uint8_t)0), /*!< Set usart to sample at the edge of the first clock */ USART_CLKPHA_2EDGE = ((uint8_t)1) /*!< Set usart to sample at the edge of the second clock */ } USART_CLKPHA_T; /** * @brief USART Last bit clock pulse enable */ typedef enum { USART_LBCP_DISABLE = ((uint8_t)0), /*!< Disable output last bit clock pulse */ USART_LBCP_ENABLE = ((uint8_t)1) /*!< Enable output last bit clock pulse */ } USART_LBCP_T; /** * @brief USART DMA requests */ typedef enum { USART_DMA_REQUEST_RX = BIT6, /*!< USART DMA receive request */ USART_DMA_REQUEST_TX = BIT7 /*!< USART DMA transmit request */ } USART_DMA_REQUEST_T; /** * @brief USART DMA reception error */ typedef enum { USART_DMA_RXERR_ENABLE = ((uint8_t)0), /*!< USART DMA reception error enable */ USART_DMA_RXERR_DISABLE = ((uint8_t)1) /*!< USART DMA reception error disable */ } USART_DMA_RXERR_T; /** * @brief USART wakeup method */ typedef enum { USART_WAKEUP_IDLE_LINE = ((uint8_t)0), /*!< WakeUp by an idle line detection */ USART_WAKEUP_ADDRESS_MARK = ((uint8_t)1) /*!< WakeUp by an address mark */ } USART_WAKEUP_T; /** * @brief USART LIN break detection length */ typedef enum { USART_BREAK_LENGTH_10B = ((uint8_t)0), /*!< 10-bit break detection */ USART_BREAK_LENGTH_11B = ((uint8_t)1) /*!< 11-bit break detection */ } USART_BREAK_LENGTH_T; /** * @brief USART address mode */ typedef enum { USART_ADDRESS_MODE_4B = ((uint8_t)0), /*!< 4-bit address detection */ USART_ADDRESS_MODE_7B = ((uint8_t)1) /*!< 7-bit address detection */ } USART_ADDRESS_MODE_T; /** * @brief USART address mode, only available for APM32F072 devices */ typedef enum { USART_WAKEUP_SOURCE_ADDRESS = ((uint8_t)0), /*!< usart wakeup by address */ USART_WAKEUP_SOURCE_START = ((uint8_t)2), /*!< usart wakeup by start bit */ USART_WAKEUP_SOURCE_RXNE = ((uint8_t)3) /*!< usart wakeup by RXNE */ } USART_WAKEUP_SOURCE_T; /** * @brief USART driver enable polarity select */ typedef enum { USART_DE_POL_HIGH = ((uint8_t)0), /*!< driver enable polarity is high */ USART_DE_POL_LOW = ((uint8_t)1) /*!< driver enable polarity is low */ } USART_DE_POL_T; /** * @brief USART inversion Pins */ typedef enum { USART_INVERSION_RX = BIT16, /*!< usart RX Pins active level inversion */ USART_INVERSION_TX = BIT17, /*!< usart TX Pins active level inversion */ USART_INVERSION_TX_RX = BIT16 | BIT17 /*!< usart RX TX Pins active level inversion */ } USART_INVERSION_T; /** * @brief USART IrDA Low Power */ typedef enum { USART_IRDA_MODE_NORMAL = ((uint8_t)0), /*!< usart irda works in normal mode */ USART_IRDA_MODE_LOWPOWER = ((uint8_t)1) /*!< usart irda works in low-power mode */ } USART_IRDA_MODE_T; /** * @brief USART auto baud rate mode */ typedef enum { USART_AUTO_BAUD_RATE_STARTBIT = ((uint8_t)0x00), /*!< auto-baud measure start bit */ USART_AUTO_BAUD_RATE_FALLINGEDGE = ((uint8_t)0x01) /*!< auto-baud measure falling edge */ } USART_AUTO_BAUD_RATE_T; /** * @brief USART over detection disable */ typedef enum { USART_OVER_DETECTION_ENABLE = ((uint8_t)0), /*!< enable overrun detection */ USART_OVER_DETECTION_DISABLE = ((uint8_t)1) /*!< disable overrun detection */ } USART_OVER_DETECTION_T; /** * @brief USART request */ typedef enum { USART_REQUEST_ABRQ = ((uint8_t)0x01), /*!< Auto Baud Rate Request */ USART_REQUEST_SBQ = ((uint8_t)0x02), /*!< Send Break Request */ USART_REQUEST_MMQ = ((uint8_t)0x04), /*!< Mute Mode Request */ USART_REQUEST_RDFQ = ((uint8_t)0x08), /*!< Receive data flush Request */ USART_REQUEST_TDFQ = ((uint8_t)0x10) /*!< Transmit data flush Request */ } USART_REQUEST_T; /** * @brief USART flag definition */ typedef enum { USART_FLAG_RXENACKF = ((uint32_t)0x00400000), /*!< Receive Enable Acknowledge Flag */ USART_FLAG_TXENACKF = ((uint32_t)0x00200000), /*!< Transmit Enable Acknowledge Flag */ USART_FLAG_WAKEUP = ((uint32_t)0x00100000), /*!< Wake Up from stop mode Flag (Not for APM32F030 devices) */ USART_FLAG_RWF = ((uint32_t)0x00080000), /*!< Send Break flag (Not for APM32F030 devices) */ USART_FLAG_SBF = ((uint32_t)0x00040000), /*!< Send Break flag */ USART_FLAG_CMF = ((uint32_t)0X00020000), /*!< Character match flag */ USART_FLAG_BUSY = ((uint32_t)0X00010000), /*!< Busy flag */ USART_FLAG_ABRTF = ((uint32_t)0X00008000), /*!< Auto baud rate flag */ USART_FLAG_ABRTE = ((uint32_t)0X00004000), /*!< Auto baud rate error flag */ USART_FLAG_EOBF = ((uint32_t)0X00001000), /*!< End of block flag (Not for APM32F030 devices) */ USART_FLAG_RXTOF = ((uint32_t)0X00000800), /*!< Receive time out flag */ USART_FLAG_CTSF = ((uint32_t)0X00000400), /*!< CTS Change flag */ USART_FLAG_CTSIF = ((uint32_t)0X00000200), /*!< CTS interrupt flag */ USART_FLAG_LBDF = ((uint32_t)0x00000100), /*!< LIN Break Detection Flag (Not for APM32F030 devices) */ USART_FLAG_TXBE = ((uint32_t)0X00000080), /*!< Transmit data register empty flag */ USART_FLAG_TXC = ((uint32_t)0X00000040), /*!< Transmission Complete flag */ USART_FLAG_RXBNE = ((uint32_t)0X00000020), /*!< Receive data buffer not empty flag */ USART_FLAG_IDLEF = ((uint32_t)0X00000010), /*!< Idle Line detection flag */ USART_FLAG_OVRE = ((uint32_t)0X00000008), /*!< OverRun Error flag */ USART_FLAG_NEF = ((uint32_t)0X00000004), /*!< Noise Error flag */ USART_FLAG_FEF = ((uint32_t)0X00000002), /*!< Framing Error flag */ USART_FLAG_PEF = ((uint32_t)0X00000001), /*!< Parity Error flag */ } USART_FLAG_T; /** * @brief USART interrupts source */ typedef enum { USART_INT_WAKEUP = ((uint32_t)0x00400000), /*!< Wake up interrupt (Not for APM32F030 devices) */ USART_INT_CMIE = ((uint32_t)0x00004000), /*!< Character match interrupt */ USART_INT_EOBIE = ((uint32_t)0x08000000), /*!< End of Block interrupt (Not for APM32F030 devices) */ USART_INT_RXTOIE = ((uint32_t)0x04000000), /*!< Receive time out interrupt */ USART_INT_CTSIE = ((uint32_t)0x00000400), /*!< CTS change interrupt */ USART_INT_LBDIE = ((uint32_t)0X00000040), /*!< LIN Break detection interrupt (Not for APM32F030 devices) */ USART_INT_TXBEIE = ((uint32_t)0x00000080), /*!< Tansmit Data Register empty interrupt */ USART_INT_TXCIE = ((uint32_t)0x40000040), /*!< Transmission complete interrupt */ USART_INT_RXBNEIE = ((uint32_t)0x00000020), /*!< Receive Data buffer not empty interrupt */ USART_INT_IDLEIE = ((uint32_t)0x00000010), /*!< Idle line detection interrupt */ USART_INT_PEIE = ((uint32_t)0x00000100), /*!< Parity Error interrupt */ USART_INT_ERRIE = ((uint32_t)0x00000001), /*!< Error interrupt */ } USART_INT_T; /** * @brief USART Interrupt flag definition */ typedef enum { USART_INT_FLAG_WAKEUP = ((uint32_t)0X00100000), /*!< Wake up flag (Not for APM32F030 devices) */ USART_INT_FLAG_CMF = ((uint32_t)0X00020000), /*!< Character match flag */ USART_INT_FLAG_EOBF = ((uint32_t)0X00001000), /*!< End of block flag (Not for APM32F030 devices) */ USART_INT_FLAG_RXTOF = ((uint32_t)0X00000800), /*!< Receive time out flag */ USART_INT_FLAG_CTSIF = ((uint32_t)0X00000200), /*!< CTS interrupt flag */ USART_INT_FLAG_LBDF = ((uint32_t)0X00000100), /*!< LIN Break detection flag (Not for APM32F030 devices) */ USART_INT_FLAG_TXBE = ((uint32_t)0X00000080), /*!< Transmit data register empty flag */ USART_INT_FLAG_TXC = ((uint32_t)0X00000040), /*!< Transmission Complete flag */ USART_INT_FLAG_RXBNE = ((uint32_t)0X00000020), /*!< Receive data buffer not empty flag */ USART_INT_FLAG_IDLE = ((uint32_t)0X00000010), /*!< Idle Line detection flag */ USART_INT_FLAG_OVRE = ((uint32_t)0X00000008), /*!< OverRun Error flag */ USART_INT_FLAG_NE = ((uint32_t)0X00000004), /*!< Noise Error flag */ USART_INT_FLAG_FE = ((uint32_t)0X00000002), /*!< Framing Error flag */ USART_INT_FLAG_PE = ((uint32_t)0X00000001), /*!< Parity Error flag */ } USART_INT_FLAG_T; /**@} end of group USART_Enumerations*/ /** @defgroup USART_Structures Structures @{ */ /** * @brief USART Config struct definition */ typedef struct { uint32_t baudRate; /*!< Specifies the baud rate */ USART_WORD_LEN_T wordLength; /*!< Specifies the word length */ USART_STOP_BITS_T stopBits; /*!< Specifies the stop bits */ USART_PARITY_T parity; /*!< Specifies the parity */ USART_MODE_T mode; /*!< Specifies the mode */ USART_HARDWARE_FLOW_CTRL_T hardwareFlowCtrl; } USART_Config_T; /** * @brief USART synchronous communication clock config struct definition */ typedef struct { USART_CLKEN_T enable; /*!< Enable or Disable Clock */ USART_CLKPOL_T polarity; /*!< Specifies the clock polarity */ USART_CLKPHA_T phase; /*!< Specifies the clock phase */ USART_LBCP_T lastBitClock; /*!< Enable or Disable last bit clock */ } USART_SyncClockConfig_T; /**@} end of group USART_Structures*/ /** @defgroup USART_Variables Variables @{ */ /**@} end of group USART_Variables */ /** @addtogroup USART_Functions Functions @{ */ /* USART peripheral Reset and Configuration */ void USART_Reset(USART_T* usart); void USART_Config(USART_T* uart, USART_Config_T* configStruct); void USART_ConfigStructInit(USART_Config_T* configStruct); void USART_ConfigSyncClock(USART_T* usart, USART_SyncClockConfig_T* SyncClockConfig); void USART_ConfigSyncClockStructInit(USART_SyncClockConfig_T* SyncClockConfig); void USART_Enable(USART_T* usart); void USART_Disable(USART_T* usart); void USART_EnableDirectionMode(USART_T* usart, USART_MODE_T mode); void USART_DisableDirectionMode(USART_T* usart, USART_MODE_T mode); void USART_ConfigDivider(USART_T* usart, uint8_t divider); /*!< Not for APM32F030 devices */ void USART_EnableOverSampling8(USART_T* usart); void USART_DisableOverSampling8(USART_T* usart); void USART_EnableMSBFirst(USART_T* usart); void USART_DisableMSBFirst(USART_T* usart); void USART_EnableOneBitMethod(USART_T* usart); void USART_DisableOneBitMethod(USART_T* usart); void USART_EnableDataInv(USART_T* usart); void USART_DisableDataInv(USART_T* usart); void USART_EnableInvPin(USART_T* usart, USART_INVERSION_T invPin); void USART_DisableInvPin(USART_T* usart, USART_INVERSION_T invPin); void USART_EnableSWAPPin(USART_T* usart); void USART_DisableSWAPPin(USART_T* usart); void USART_EnableReceiverTimeOut(USART_T* usart); void USART_DisableReceiverTimeOut(USART_T* usart); void USART_ReceiverTimeOutValue(USART_T* usart, uint32_t timeOut); void USART_EnableAutoBaudRate(USART_T* usart); void USART_DisableAutoBaudRate(USART_T* usart); void USART_ConfigAutoBaudRate(USART_T* usart, USART_AUTO_BAUD_RATE_T mode); void USART_ConfigOverrunDetection(USART_T* usart, USART_OVER_DETECTION_T overDetection); /* Stop mode */ void USART_EnableStopMode(USART_T* usart); void USART_DisableStopMode(USART_T* usart); void USART_ConfigStopModeWakeUpSource(USART_T* usart, USART_WAKEUP_SOURCE_T source); /*!< Not for APM32F030 devices */ /* Address */ void USART_Address(USART_T* usart, uint8_t address); void USART_ConfigAddressDetection(USART_T* usart, USART_ADDRESS_MODE_T address); /* Transmit and receive */ void USART_TxData(USART_T* usart, uint16_t data); uint16_t USART_RxData(USART_T* usart); /* Mute mode */ void USART_EnableMuteMode(USART_T* usart); void USART_DisableMuteMode(USART_T* usart); void USART_ConfigMuteModeWakeUp(USART_T* usart, USART_WAKEUP_T wakeup); /* LIN mode */ void USART_EnableLINmode(USART_T* usart); /*!< Not for APM32F030 devices */ void USART_DisableLINmode(USART_T* usart); /*!< Not for APM32F030 devices */ void USART_ConfigLINbreakDetectLength(USART_T* usart, USART_BREAK_LENGTH_T length); /*!< Not for APM32F030 devices */ /* Half-duplex mode */ void USART_EnableHalfDuplex(USART_T* usart); void USART_DisableHalfDuplex(USART_T* usart); /* Smartcard mode */ void USART_EnableSmartCard(USART_T* usart); /*!< Not for APM32F030 devices */ void USART_DisableSmartCard(USART_T* usart); /*!< Not for APM32F030 devices */ void USART_EnableSmartCardNACK(USART_T* usart); /*!< Not for APM32F030 devices */ void USART_DisableSmartCardNACK(USART_T* usart); /*!< Not for APM32F030 devices */ void USART_ConfigGuardTime(USART_T* usart, uint8_t guardTime); /*!< Not for APM32F030 devices */ void USART_ConfigAutoCount(USART_T* usart, uint8_t autoCount); /*!< Not for APM32F030 devices */ void USART_ConfigBlockSize(USART_T* usart, uint8_t blockSize); /*!< Not for APM32F030 devices */ /* IrDA mode */ void USART_EnableIrDA(USART_T* usart); /*!< Not for APM32F030 devices */ void USART_DisableIrDA(USART_T* usart); /*!< Not for APM32F030 devices */ void USART_ConfigIrDAMode(USART_T* usart, USART_IRDA_MODE_T IrDAMode); /*!< Not for APM32F030 devices */ /* Driver enable Configuration */ void USART_EnableDE(USART_T* usart); void USART_DisableDE(USART_T* usart); void USART_ConfigDEPolarity(USART_T* usart, USART_DE_POL_T polarity); void USART_DEAssertionTimeValue(USART_T* usart, uint8_t value); void USART_DEDeassertionTimeValue(USART_T* usart, uint8_t value); /* DMA */ void USART_EnableDMA(USART_T* usart, uint32_t dmaReq); void USART_DisableDMA(USART_T* usart, uint32_t dmaReq); void USART_ConfigDMAReceptionError(USART_T* usart, USART_DMA_RXERR_T error); /* Request */ void USART_EnableRequest(USART_T* usart, USART_REQUEST_T request); void USART_DisableRequest(USART_T* usart, USART_REQUEST_T request); /* Interrupt */ void USART_EnableInterrupt(USART_T* usart, USART_INT_T interrupt); void USART_DisableInterrupt(USART_T* usart, USART_INT_T interrupt); uint8_t USART_ReadIntFlag(USART_T* usart, USART_INT_FLAG_T flag); void USART_ClearIntFlag(USART_T* usart, uint32_t flag); /* Flag */ uint8_t USART_ReadStatusFlag(USART_T* usart, USART_FLAG_T flag); void USART_ClearStatusFlag(USART_T* usart, uint32_t flag); #ifdef __cplusplus } #endif #endif /* __APM32F0XX_USART_H */ /**@} end of group USART_Functions */ /**@} end of group USART_Driver */ /**@} end of group APM32F0xx_StdPeriphDriver */