alexvoste
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
#ifndef SERIAL_H
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#define SERIAL_H
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <stdarg.h>
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#define COM1 0x3F8
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#define COM2 0x2F8
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#define COM3 0x3E8
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#define COM4 0x2E8
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#define SERIAL_DATA_PORT(base) (base)
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#define SERIAL_FIFO_COMMAND_PORT(base) (base + 2)
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#define SERIAL_LINE_COMMAND_PORT(base) (base + 3)
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#define SERIAL_MODEM_COMMAND_PORT(base) (base + 4)
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#define SERIAL_LINE_STATUS_PORT(base) (base + 5)
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#define SERIAL_LSR_DATA_READY 0x01
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#define SERIAL_LSR_OVERRUN_ERROR 0x02
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#define SERIAL_LSR_PARITY_ERROR 0x04
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#define SERIAL_LSR_FRAMING_ERROR 0x08
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#define SERIAL_LSR_BREAK_INDICATOR 0x10
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#define SERIAL_LSR_TRANSMIT_HOLDING_EMPTY 0x20
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#define SERIAL_LSR_TRANSMIT_EMPTY 0x40
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#define SERIAL_LSR_FIFO_ERROR 0x80
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void serial_initialize(uint16_t port, uint32_t baud_rate);
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int serial_received_port(uint16_t port);
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char serial_read_port(uint16_t port);
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int serial_is_transmit_empty_port(uint16_t port);
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void serial_write_port(uint16_t port, char c);
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void serial_writestring_port(uint16_t port, const char* str);
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void serial_printf_port(uint16_t port, const char* format, ...);
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int serial_received(void);
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char serial_read(void);
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int serial_is_transmit_empty(void);
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void serial_write(char c);
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void serial_writestring(const char* str);
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void serial_writebuf(const char* buf, size_t len);
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void serial_printf(const char* format, ...);
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uint16_t serial_get_default_port(void);
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void serial_set_default_port(uint16_t port);
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void serial_force_unlock(void);
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#endif |