uart2.h

Go to the documentation of this file.

#ifndef UART2_H
#define UART2_H

#define Uart2ReadCmd   0
#define Uart2WriteCmd  1
#define Uart2Execution 2

#define UART2_UTRSTAT0_TX2 0x04 // tx buffer & tx shift register ok
#define UART2_UTRSTAT0_TX  0x02 // tx buffer ok 
#define UART2_UTRSTAT0_RX  0x01 // rx buffer ok

#define UART2_UERSTAT0_OVERRUN_ERROR 0x01
#define UART2_UERSTAT0_FRAME_ERROR0  0x02
#define UART2_UERSTAT0_FRAME_ERROR1  0x04
#define UART2_UERSTAT0_FRAME_ERROR2  0x08

#define UART2_MAX_BUFFER_SIZE 200
#define UART2_AFC_BUFFER_LENGTH 256
typedef struct{
    INT32U Put;
    INT32U Get;
    INT8U Data[UART2_MAX_BUFFER_SIZE];
}UART2_BUFFER_CONTROL;
typedef struct{
    volatile INT32U ULCON;   // 0  uart line control register
    volatile INT32U UCON;    // 4  uart control register
    volatile INT32U UFCON;   // 8  uart fifo control register
    volatile INT32U UMCON;   // c  uart moden control register
    volatile INT32U UTRSTAT; // 10 uart tx/rx status register 
    volatile INT32U UERSTAT; // 14 uart error register   
    volatile INT32U UFSTAT;  // 18 uart fifo status register
    volatile INT32U UMSTAT;  // 1c uart moden status register
    volatile INT32U UTXH;    // 20 uart transmit register
    volatile INT32U URXH;    // 24 uart receive register     
    volatile INT32U UBRDIV;  // 28 uart baud rate divider register 
}UART2_REGISTER;
typedef struct{    
    INT8U  State;
    INT8U  Status;
    INT8U  InUse;
    INT16U Id;
    INT16U UserId;
    INT32U PortSelect; // 0,1    
    INT32U TxState;
    UART2_BUFFER_CONTROL TxBuffer;
    INT32U RxState;
    INT32U HasInput;   // TRUE, FALSE
    INT32U ActionType; // read,write,execute
    INT32U Item;       // 0~0xff
    INT32U ItemData;   // 0~0xff
    INT32U Input1;
    INT32U Input2;
    UART2_BUFFER_CONTROL RxBuffer;
    INT32U UartTxTransmit;
    INT32U UartTxDma;
    INT32U UartRxDma;
    INT32U UartAfcTx;
    INT32U UartAfcTxCnt;
    INT32U UartAfcRx;
    INT32U UartAfcRxCnt;
    UART2_REGISTER *pUart2Register;
}UART2_CONTROL;

extern UART2_CONTROL Uart2Ctrl;

extern void F_Uart2Init(void);
extern void F_Uart2Svc(void);
extern void F_Uart2BaudrateSet(INT32U Baudrate);

#endif