forked from Bananymous/banan-os
Bananymous
e8491b34b8
Userspace can freely set terminal size, kernel just updates it when for example new font is loaded. Also SIGWINCH is now sent by kernel instead of userspace.
68 lines
1.4 KiB
C++
68 lines
1.4 KiB
C++
#pragma once
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#include <BAN/CircularQueue.h>
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#include <BAN/Errors.h>
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#include <BAN/Optional.h>
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#include <kernel/Interruptable.h>
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#include <kernel/Terminal/TTY.h>
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namespace Kernel
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{
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class Serial
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{
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public:
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static void initialize();
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static bool has_devices();
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static void putchar_any(uint8_t);
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static void initialize_devices();
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void putchar(uint8_t);
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BAN::Optional<uint8_t> getchar();
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bool is_valid() const { return m_port != 0; }
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uint16_t port() const { return m_port; }
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uint32_t width() const { return m_width; }
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uint32_t height() const { return m_height; }
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private:
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static bool initialize_port(uint16_t, uint32_t baud);
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bool initialize_size();
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private:
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uint16_t m_port { 0 };
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uint32_t m_width { 0 };
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uint32_t m_height { 0 };
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};
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class SerialTTY final : public TTY, public Interruptable
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{
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public:
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static BAN::ErrorOr<BAN::RefPtr<SerialTTY>> create(Serial);
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void clear() override { putchar_impl('\e'); putchar_impl('['); putchar_impl('2'); putchar_impl('J'); }
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void update() override;
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void handle_irq() override;
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protected:
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BAN::StringView name() const override { return m_name; }
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bool putchar_impl(uint8_t) override;
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bool can_write_impl() const override { return true; }
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private:
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SerialTTY(Serial);
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bool initialize();
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private:
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BAN::String m_name;
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Serial m_serial;
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BAN::CircularQueue<uint8_t, 128> m_input;
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SpinLock m_input_lock;
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};
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}
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