lpc22xx_uart.h

Go to the documentation of this file.

 
#ifndef LPC22XX_UART_H
#define LPC22XX_UART_H

 
#define FIFODEEP    16
 
#define BD115200    115200
#define BD38400     38400
#define BD9600      9600

#define U0_PINSEL       (0x00000005)
#define U0_PINMASK      (0x0000000F)
#define U1_PINSEL       (0x00050000)
#define U1_PINMASK      (0x000F0000)

 
#define LCR_WORDLENTH_BIT         0
#define LCR_STOPBITSEL_BIT        2
#define LCR_PARITYENBALE_BIT      3
#define LCR_PARITYSEL_BIT         4
#define LCR_BREAKCONTROL_BIT      6
#define LCR_DLAB_BIT              7



#define ULCR_CHAR_5         (0 << 0)
#define ULCR_CHAR_6         (1 << 0)
#define ULCR_CHAR_7         (2 << 0)
#define ULCR_CHAR_8         (3 << 0)
#define ULCR_STOP_0         (0 << 2)
#define ULCR_STOP_1         (1 << 2)
#define ULCR_PAR_NO         (0 << 3)
#define ULCR_PAR_ODD        (1 << 3)
#define ULCR_PAR_EVEN       (3 << 3)
#define ULCR_PAR_MARK       (5 << 3)
#define ULCR_PAR_SPACE      (7 << 3)
#define ULCR_BREAK_ENABLE   (1 << 6)
#define ULCR_DLAB_ENABLE    (1 << 7)



#define UMCR_DTR            (1 << 0)
#define UMCR_RTS            (1 << 1)
#define UMCR_LB             (1 << 4)



#define ULSR_RDR            (1 << 0)
#define ULSR_OE             (1 << 1)
#define ULSR_PE             (1 << 2)
#define ULSR_FE             (1 << 3)
#define ULSR_BI             (1 << 4)
#define ULSR_THRE           (1 << 5)
#define ULSR_TEMT           (1 << 6)
#define ULSR_RXFE           (1 << 7)
#define ULSR_ERR_MASK       0x1E



#define UMSR_DCTS           (1 << 0)
#define UMSR_DDSR           (1 << 1)
#define UMSR_TERI           (1 << 2)
#define UMSR_DDCD           (1 << 3)
#define UMSR_CTS            (1 << 4)
#define UMSR_DSR            (1 << 5)
#define UMSR_RI             (1 << 6)
#define UMSR_DCD            (1 << 7)


 
#define IIR_RSL                   0x3
#define IIR_RDA                   0x2
#define IIR_CTI                   0x6
#define IIR_THRE                  0x1


 
#define IER_RBR                   0x1
#define IER_THRE                  0x2
#define IER_RLS                   0x4


 
#define RC_FIFO_OVERRUN_ERR       0x1
#define RC_OVERRUN_ERR            0x2
#define RC_PARITY_ERR             0x4
#define RC_FRAMING_ERR            0x8
#define RC_BREAK_IND              0x10

 
typedef enum {
  UART0 = 0,
  UART1
} LPC_UartChanel_t;

 
#endif