forked from AbleOS/ableos
End meeeee
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@ -1,6 +1,6 @@
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# Unified PS/2 Driver
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# Unified PS/2 Driver
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Te entire thing is heavily documented with comments because I'm not sure how else to make this understandable.
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Te entire thing is held together inspite
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## !!Assumptions!!
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## !!Assumptions!!
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Anyone who works on this should work to keep this list as small as possible/remove as many of these as possible.
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Anyone who works on this should work to keep this list as small as possible/remove as many of these as possible.
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@ -16,4 +16,7 @@ Anyone who works on this should work to keep this list as small as possible/remo
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- 0xFFFF
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- 0xFFFF
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- 0x01xx
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- 0x01xx
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- 0x03xx
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- 0x03xx
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- 0x04xx
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- 0x04xx
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- Literally all PS/2 keyboards can be handeled the exact same way. We have the capability for detecting different keyboard types, I just don't bother with it because that would litreally take months to get working.
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Supporting mice in the keyboard port and vice versa was a ***bad*** idea, but I do not regret it because it means we're "superior" to real world operating systems.
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@ -2,8 +2,8 @@
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.{bit0, bit1, bit5, bit6, bit7} := @use("bits.hb");
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.{bit0, bit1, bit5, bit6, bit7} := @use("bits.hb");
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.{Port, PORT_AT_STARTUP} := @use("port.hb")
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.{Port, PORT_AT_STARTUP} := @use("port.hb")
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port1 := PORT_AT_STARTUP
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port1 := @as(Port, PORT_AT_STARTUP)
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port2 := PORT_AT_STARTUP
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port2 := @as(Port, PORT_AT_STARTUP)
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$disable_port1 := fn(): void memory.outb(0x64, 0xAD)
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$disable_port1 := fn(): void memory.outb(0x64, 0xAD)
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$enable_port1 := fn(): void memory.outb(0x64, 0xAE)
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$enable_port1 := fn(): void memory.outb(0x64, 0xAE)
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@ -47,7 +47,7 @@ get_port := fn(info: Info): ^Port {
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}
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}
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send_byte := fn(port: ^Port, byte: u8): void {
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send_byte := fn(port: ^Port, byte: u8): void {
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if port == port2 {
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if port == &port2 {
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memory.outb(0x64, 0xD4)
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memory.outb(0x64, 0xD4)
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}
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}
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loop if can_send(get_info()) break
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loop if can_send(get_info()) break
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@ -1,19 +1,51 @@
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.{memory, log, string} := @use("../../../libraries/stn/src/lib.hb")
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.{memory, log, buffer, string} := @use("../../../libraries/stn/src/lib.hb");
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.{MouseEvent} := @use("../../../libraries/intouch/src/lib.hb").events;
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.{bit0, bit1, bit2, bit3, bit4} := @use("bits.hb")
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devices := @use("devices.hb")
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devices := @use("devices.hb")
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controller := @use("controller.hb")
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controller := @use("controller.hb")
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mouse := @use("mouse.hb")
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format_page := memory.dangling(u8)
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format_page := memory.dangling(u8)
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mouse_buffer := 0
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keyboard_buffer := 0
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info := controller.Info.(0)
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info := controller.Info.(0)
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process := fn(port: ^controller.Port): void {
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send_command := fn(port: ^controller.Port, byte: u8): void {
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if port.device == devices.MOUSE_3_BUTTON {
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controller.send_byte(port, byte)
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} else if port.device == devices.MOUSE_INIT_1 {
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loop {
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port.device.value = port.packet[0] | port.packet[1] << 8
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info = controller.get_info()
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if port.device == devices.MOUSE_SCROLLWHEEL {
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if controller.has_input(info) == false {
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port.device = devices.MOUSE_INIT_2
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continue
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}
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}
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input := controller.get_input()
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if controller.get_port(info) != port {
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if check_complete(port) == false {
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}
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}
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}
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}
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process := fn(port: ^controller.Port): void {
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if port.device.value < devices.MOUSE_5_BUTTON.value {
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event := MouseEvent.(0, 0, false, false, false)
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event.left = bit0(port.packet[0])
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event.right = bit1(port.packet[0])
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event.middle = bit2(port.packet[0])
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event.x_change = @intcast(port.packet[1])
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event.y_change = @intcast(port.packet[2])
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buffer.write(MouseEvent, mouse_buffer, &event)
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} else if port.device == devices.MOUSE_INIT_1 {
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port.device.value = port.packet[0]
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if port.device != devices.MOUSE_SCROLLWHEEL {
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controller.send_byte(port, 0xF4)
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return
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}
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port.device = devices.MOUSE_INIT_2
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} else if port.device == devices.MOUSE_INIT_2 {
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} else if port.device == devices.MOUSE_INIT_2 {
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port.device.value = port.packet[0] | port.packet[1] << 8
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port.device.value = port.packet[0]
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} else if port.device == devices.NO_DEVICE {
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} else if port.device == devices.NO_DEVICE {
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if port.packet_length == 1 {
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if port.packet_length == 1 {
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port.device.value = port.packet[0]
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port.device.value = port.packet[0]
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@ -33,11 +65,9 @@ check_complete := fn(port: ^controller.Port): bool {
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} else if port.packet_length == 2 {
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} else if port.packet_length == 2 {
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return true
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return true
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}
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}
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}
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} else if port.device == devices.MOUSE_3_BUTTON {
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if port.device == devices.MOUSE_3_BUTTON {
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if port.packet_length == 3 return true
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if port.packet_length == 3 return true
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}
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} else if port.device == devices.MOUSE_SCROLLWHEEL | port.device == devices.MOUSE_5_BUTTON {
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if port.device == devices.MOUSE_SCROLLWHEEL | port.device == devices.MOUSE_5_BUTTON {
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if port.packet_length == 4 return true
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if port.packet_length == 4 return true
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} else {
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} else {
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log.error("Very unexpected error. Cannot handle this!\0")
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log.error("Very unexpected error. Cannot handle this!\0")
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@ -47,6 +77,7 @@ check_complete := fn(port: ^controller.Port): bool {
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}
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}
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main := fn(): void {
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main := fn(): void {
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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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format_page = memory.alloc(u8, 1024)
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controller.init()
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controller.init()
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@ -63,14 +94,18 @@ main := fn(): void {
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if controller.has_input(info) {
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if controller.has_input(info) {
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port := controller.get_port(info)
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port := controller.get_port(info)
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if port.packet_length > 0 & check_complete(port) {
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process(port)
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}
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input := controller.get_input()
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input := controller.get_input()
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if input == 0xAA & port.can_hot_plug {
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if input == 0xAA & port.can_hot_plug {
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port.device = devices.NO_DEVICE
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port.device = devices.NO_DEVICE
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}
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}
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port.packet[port.packet_length] = input
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port.packet[port.packet_length] = input
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port.packet_length += 1
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port.packet_length += 1
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if @inline(check_complete, port) {
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if check_complete(port) {
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process(port)
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process(port)
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port.packet_length = 0
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}
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}
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}
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}
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}
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}
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21
sysdata/programs/ps2_driver/src/mouse.hb
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21
sysdata/programs/ps2_driver/src/mouse.hb
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Button := struct {id: u8}
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$LEFT_BUTTON := Button.(1)
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$RIGHT_BUTTON := Button.(2)
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$MIDDLE_BUTTON := Button.(4)
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$BUTTON4 := Button.(8)
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$BUTTON5 := Button.(16)
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SampleRate := struct {value: u8}
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$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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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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$PORT_AT_STARTUP := Port.(
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$PORT_AT_STARTUP := Port.(
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true,
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true,
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NO_DEVICE,
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NO_DEVICE,
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.(0, 0, 0, 0),
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.(0, 0, 0, 0, 0, 0, 0, 0),
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0,
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0,
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true,
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true,
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)
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)
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