forked from AbleOS/ableos
156 lines
3.8 KiB
Plaintext
156 lines
3.8 KiB
Plaintext
.{memory, buffer, log, string, math} := @use("../../../libraries/stn/src/lib.hb")
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Vec2 := math.Vec2
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intouch := @use("../../../libraries/intouch/src/lib.hb");
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.{MouseEvent} := intouch.events
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i9 := packed struct {sign: bool, value: u8}
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Button := struct {id: u8}
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LeftButton := Button.(1)
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RightButton := Button.(2)
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MiddleButton := Button.(4)
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Button4 := Button.(8)
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Button5 := Button.(16)
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mouse_moved := fn(delta: Vec2(i9)): void {
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// log.info("Mouse movement.\0")
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}
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button_event := fn(button: Button, pressed: bool): void {
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if pressed {
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// log.info("Mouse-button pressed.\0")
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} else {
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// log.info("Mouse-button released.\0")
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}
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}
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send_byte := fn(target: u8, data: u8): void {
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loop if (memory.inb(0x64) & 2) == 0 break
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memory.outb(target, data)
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}
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reset_mouse := fn(): void {
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@inline(send_byte, 0x64, 0xD4)
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@inline(send_byte, 0x60, 0xFF)
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loop if memory.inb(0x60) == 0xAA {
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log.info("Self check passed.\0")
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return
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}
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}
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send_command_byte := fn(byte: u8): void {
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@inline(send_byte, 0x64, 0xD4)
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@inline(send_byte, 0x60, byte)
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loop if memory.inb(0x60) == 0xFA {
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log.info("ACK\0")
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return
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}
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}
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set_defaults := fn(): void @inline(send_command_byte, 0xF6)
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disable_streaming := fn(): void @inline(send_command_byte, 0xF5)
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enable_streaming := fn(): void @inline(send_command_byte, 0xF4)
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set_remote_mode := fn(): void @inline(send_command_byte, 0xF0)
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set_warp_mode := fn(): void @inline(send_command_byte, 0xEE)
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reset_warp_mode := fn(): void @inline(send_command_byte, 0xEC)
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set_stream_mode := fn(): void @inline(send_command_byte, 0xEA)
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set_non_linear_scaling := fn(): void @inline(send_command_byte, 0xE7)
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set_linear_scaling := fn(): void @inline(send_command_byte, 0xE6)
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resend_packet := fn(): void @inline(send_command_byte, 0xFE)
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SampleRate := struct {value: u8}
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sr10 := SampleRate.(10)
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sr20 := SampleRate.(20)
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sr40 := SampleRate.(40)
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sr60 := SampleRate.(60)
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sr80 := SampleRate.(80)
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sr100 := SampleRate.(100)
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sr200 := SampleRate.(200)
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set_sample_rate := fn(sample_rate: SampleRate): void {
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@inline(send_command_byte, 0xE6)
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@inline(send_command_byte, sample_rate.value)
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}
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Resolution := struct {value: u8}
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res_1count_per_mm := Resolution.(0)
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res_2count_per_mm := Resolution.(1)
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res_4count_per_mm := Resolution.(2)
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res_8count_per_mm := Resolution.(3)
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set_resolution := fn(resolution: Resolution): void {
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@inline(send_command_byte, 0xE6)
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@inline(send_command_byte, resolution.value)
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}
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set_up_mouse := fn(): void {
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@inline(reset_mouse)
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@inline(set_resolution, res_8count_per_mm)
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@inline(enable_streaming)
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}
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button_states := @as(u8, 0)
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main := fn(): int {
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mouse_buffer := buffer.create("PS/2 Mouse\0")
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format_page := memory.alloc(u8, 1024)
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send_byte(0x64, 0xA8)
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log.info("Aux mouse device enabled.\0")
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set_up_mouse()
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set_resolution(res_8count_per_mm)
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x := @as(u8, 0)
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y := @as(u8, 0)
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loop {
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loop if (memory.inb(0x64) & 0x20) == 0x20 break
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status := memory.inb(0x60)
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if status == 0xAA {
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loop if memory.inb(0x60) == 0 break
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log.info("Mouse plugged in!\0")
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set_up_mouse()
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continue
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}
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changes := button_states ^ status & 7
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if (changes & LeftButton.id) != 0 {
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button_event(LeftButton, (status & LeftButton.id) != 0)
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}
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if (changes & RightButton.id) != 0 {
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button_event(RightButton, (status & RightButton.id) != 0)
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}
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if (changes & MiddleButton.id) != 0 {
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button_event(MiddleButton, (status & MiddleButton.id) != 0)
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}
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button_states ^= changes
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dx := i9.(false, 0)
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dy := i9.(false, 0)
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dx.value = memory.inb(0x60)
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dx.sign = (status & 0x10) > 0
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dy.value = memory.inb(0x60)
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dy.sign = (status & 0x20) != 0
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y_change := @as(i8, @bitcast(dy.value))
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x_change := @as(i8, @bitcast(dx.value))
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event := MouseEvent.(0, 0, 0, 0, 0)
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event.x_change = x_change
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event.y_change = y_change
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buffer.write(MouseEvent, &event, mouse_buffer)
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}
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return 0
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} |