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