51 lines
1 KiB
C
51 lines
1 KiB
C
#pragma once
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#include <stddef.h>
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#include <inttypes.h>
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#define SERIAL_IER 1
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#define SERIAL_IIR 2
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#define SERIAL_FCR 2
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#define SERIAL_LCR 3
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#define SERIAL_MCR 4
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#define SERIAL_LSR 5
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#define SERIAL_MSR 6
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#define SERIAL_COM1 0x3F8
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#define SERIAL_COM2 0x2F8
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#define SERIAL_COM3 0x3E8
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#define SERIAL_COM4 0x2E8
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#define SERIAL_PARITY_NONE 0b000
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#define SERIAL_PARITY_ODD 0b100
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#define SERIAL_PARITY_EVEN 0b110
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#define SERIAL_PARITY_HIGH 0b101
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#define SERIAL_PARITY_LOW 0b111
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#if defined(__cplusplus)
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extern "C" {
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#endif
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void serial_init(uint16_t port, uint32_t baud, uint8_t parity, uint8_t bits);
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int serial_can_read(uint16_t port);
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int serial_can_write(uint16_t port);
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void serial_write(uint16_t port, const uint8_t *data, size_t length);
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void serial_read(uint16_t port, uint8_t *data, size_t length);
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void serial_printf(uint16_t port, const char *format, ...);
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static inline void serial_write_str(uint16_t port, const char *text)
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{
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while(*text) {
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serial_write(port, (uint8_t*)text, 1);
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text++;
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}
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}
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#if defined(__cplusplus)
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}
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#endif
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