34 lines
736 B
C++
34 lines
736 B
C++
#pragma once
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/// \file serial.h
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/// Declarations related to serial ports.
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#include <stdint.h>
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#include <util/bip_buffer.h>
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#include <util/spinlock.h>
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class serial_port
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{
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public:
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/// Constructor.
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/// \arg port The IO address of the serial port
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serial_port(uint16_t port,
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size_t in_buffer_len, uint8_t *in_buffer,
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size_t out_buffer_len, uint8_t *out_buffer);
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size_t write(const char *str, size_t len);
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char read();
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void handle_interrupt();
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void do_write();
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private:
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bool m_writing;
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uint16_t m_port;
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util::bip_buffer m_out_buffer;
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util::bip_buffer m_in_buffer;
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util::spinlock m_lock;
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void do_read();
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void handle_error(uint16_t reg, uint8_t value);
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};
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