Litrally almost functional PS/2 driver. #19
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@ -18,5 +18,6 @@ Anyone who works on this should work to keep this list as small as possible/remo
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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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- 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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- The device doesn't send any data while we're waiting for an `ACK`.
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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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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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@ -11,6 +11,7 @@ keyboard_buffer := 0
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info := controller.Info.(0)
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info := controller.Info.(0)
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send_command := fn(port: ^controller.Port, byte: u8): void {
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send_command := fn(port: ^controller.Port, byte: u8): void {
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loop {
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controller.send_byte(port, byte)
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controller.send_byte(port, byte)
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loop {
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loop {
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info = controller.get_info()
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info = controller.get_info()
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@ -20,6 +21,15 @@ send_command := fn(port: ^controller.Port, byte: u8): void {
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input := controller.get_input()
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input := controller.get_input()
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if controller.get_port(info) != port {
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if controller.get_port(info) != port {
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if check_complete(port) == false {
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if check_complete(port) == false {
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port.packet[port.packet_length] = input
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port.packet_length += 1
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}
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continue
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}
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if input == 0xFA {
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return
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} else {
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break
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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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@ -51,9 +61,12 @@ process := fn(port: ^controller.Port): void {
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port.device.value = port.packet[0]
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port.device.value = port.packet[0]
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} else {
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} else {
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port.device.value = port.packet[1] | port.packet[0] << 8
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port.device.value = port.packet[1] | port.packet[0] << 8
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send_command(port, 0xF4)
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}
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}
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log.info("Identified device!\0")
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log.info("Identified device!\0")
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log.info(string.display_int(port.device.value, format_page, 16))
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log.info(string.display_int(port.device.value, format_page, 16))
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} else {
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log.info("KEY PRESSED\0")
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}
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}
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}
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}
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@ -70,9 +83,18 @@ check_complete := fn(port: ^controller.Port): bool {
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} else if port.device == devices.MOUSE_SCROLLWHEEL | port.device == devices.MOUSE_5_BUTTON {
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} else 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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if port.packet[0] == 0xE1 {
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if port.packet_length == 6 {
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return true
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return true
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}
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}
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} else if port.packet[0] != 0xE0 {
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return true
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} else if port.packet_length == 2 & port.packet[1] != 0x2A & port.packet[1] != 0xB7 {
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return true
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} else if port.packet_length == 4 {
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return true
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}
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}
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return false
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return false
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}
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}
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@ -82,6 +104,13 @@ main := fn(): void {
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controller.init()
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controller.init()
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if controller.port1.exists {
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controller.send_byte(&controller.port1, 0xF4)
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}
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if controller.port2.exists {
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controller.send_byte(&controller.port2, 0xF4)
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}
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loop {
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loop {
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info = controller.get_info()
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info = controller.get_info()
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@ -98,9 +127,10 @@ main := fn(): void {
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process(port)
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process(port)
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}
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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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controller.send_byte(port, 0xF4)
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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 check_complete(port) {
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if check_complete(port) {
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