45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
#ifndef UART1_H
|
|
#define UART1_H
|
|
|
|
#include <types.h>
|
|
|
|
#define UCON (0)
|
|
/* UCON bits */
|
|
#define UCON_SAMP 10
|
|
#define UCON_SAMP_8X 0
|
|
#define UCON_SAMP_16X 1
|
|
|
|
#define USTAT (0x04)
|
|
#define UDATA (0x08)
|
|
#define URXCON (0x0c)
|
|
#define UTXCON (0x10)
|
|
#define UCTS (0x14)
|
|
#define UBRCNT (0x18)
|
|
|
|
#define UART1_BASE (0x80005000)
|
|
#define UART2_BASE (0x8000b000)
|
|
|
|
#define UART1_UCON ((volatile uint32_t *) ( UART1_BASE + UCON ))
|
|
#define UART1_USTAT ((volatile uint32_t *) ( UART1_BASE + USTAT ))
|
|
#define UART1_UDATA ((volatile uint32_t *) ( UART1_BASE + UDATA ))
|
|
#define UART1_URXCON ((volatile uint32_t *) ( UART1_BASE + URXCON ))
|
|
#define UART1_UTXCON ((volatile uint32_t *) ( UART1_BASE + UTXCON ))
|
|
#define UART1_UCTS ((volatile uint32_t *) ( UART1_BASE + UCTS ))
|
|
#define UART1_UBRCNT ((volatile uint32_t *) ( UART1_BASE + UBRCNT ))
|
|
|
|
#define UART2_UCON ((volatile uint32_t *) ( UART2_BASE + UCON ))
|
|
#define UART2_USTAT ((volatile uint32_t *) ( UART2_BASE + USTAT ))
|
|
#define UART2_UDATA ((volatile uint32_t *) ( UART2_BASE + UDATA ))
|
|
#define UART2_URXCON ((volatile uint32_t *) ( UART2_BASE + URXCON ))
|
|
#define UART2_UTXCON ((volatile uint32_t *) ( UART2_BASE + UTXCON ))
|
|
#define UART2_UCTS ((volatile uint32_t *) ( UART2_BASE + UCTS ))
|
|
#define UART2_UBRCNT ((volatile uint32_t *) ( UART2_BASE + UBRCNT ))
|
|
|
|
extern volatile uint32_t u1_head, u1_tail;
|
|
void uart1_putc(char c);
|
|
#define uart1_can_get() (*UART1_URXCON > 0)
|
|
uint8_t uart1_getc(void);
|
|
|
|
|
|
|
|
#endif
|