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42 lines
997 B
C
42 lines
997 B
C
#ifndef _SERIAL_H_
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#define _SERIAL_H_
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#include "timer.h"
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void serial1_init(uint16_t addr, int irq, int has_fifo);
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void serial2_init(uint16_t addr, int irq, int has_fifo);
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void serial1_set(uint16_t addr, int irq);
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void serial2_set(uint16_t addr, int irq);
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void serial1_set_has_fifo(int has_fifo);
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void serial2_set_has_fifo(int has_fifo);
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void serial1_remove();
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void serial2_remove();
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void serial_reset();
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struct SERIAL;
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typedef struct {
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uint8_t lsr, thr, mctrl, rcr, iir, ier, lcr, msr;
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uint8_t dlab1, dlab2;
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uint8_t dat;
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uint8_t int_status;
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uint8_t scratch;
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uint8_t fcr;
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int irq;
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uint16_t addr;
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void (*rcr_callback)(struct SERIAL *serial, void *p);
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void *rcr_callback_p;
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uint8_t fifo[256];
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int fifo_read, fifo_write;
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int has_fifo;
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pc_timer_t receive_timer;
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} SERIAL;
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void serial_write_fifo(SERIAL *serial, uint8_t dat);
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extern SERIAL serial1, serial2;
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#endif /* _SERIAL_H_ */
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