1b7d2b9085
Right now there appears to be an error with the font so that the proper character is received but we write an incorect character to the screen (off by one?).
120 lines
2.2 KiB
C++
120 lines
2.2 KiB
C++
#include "keyboard/keyboard_driver.h"
|
|
|
|
#include <mammoth/util/debug.h>
|
|
|
|
namespace {
|
|
|
|
char ScancodeToChar(uint8_t code) {
|
|
switch (code) {
|
|
case 0x02:
|
|
return '1';
|
|
case 0x03:
|
|
return '2';
|
|
case 0x04:
|
|
return '3';
|
|
case 0x05:
|
|
return '4';
|
|
case 0x06:
|
|
return '5';
|
|
case 0x07:
|
|
return '6';
|
|
case 0x08:
|
|
return '7';
|
|
case 0x09:
|
|
return '8';
|
|
case 0x0A:
|
|
return '9';
|
|
case 0x0B:
|
|
return '0';
|
|
case 0x10:
|
|
return 'Q';
|
|
case 0x11:
|
|
return 'W';
|
|
case 0x12:
|
|
return 'E';
|
|
case 0x13:
|
|
return 'R';
|
|
case 0x14:
|
|
return 'T';
|
|
case 0x15:
|
|
return 'Y';
|
|
case 0x16:
|
|
return 'U';
|
|
case 0x17:
|
|
return 'I';
|
|
case 0x18:
|
|
return 'O';
|
|
case 0x19:
|
|
return 'P';
|
|
case 0x1E:
|
|
return 'A';
|
|
case 0x1F:
|
|
return 'S';
|
|
case 0x20:
|
|
return 'D';
|
|
case 0x21:
|
|
return 'F';
|
|
case 0x22:
|
|
return 'G';
|
|
case 0x23:
|
|
return 'H';
|
|
case 0x24:
|
|
return 'J';
|
|
case 0x25:
|
|
return 'K';
|
|
case 0x26:
|
|
return 'L';
|
|
case 0x2C:
|
|
return 'Z';
|
|
case 0x2D:
|
|
return 'X';
|
|
case 0x2E:
|
|
return 'Y';
|
|
case 0x2F:
|
|
return 'C';
|
|
case 0x30:
|
|
return 'V';
|
|
case 0x31:
|
|
return 'B';
|
|
case 0x32:
|
|
return 'N';
|
|
case 0x33:
|
|
return 'M';
|
|
}
|
|
|
|
dbgln("Unhandled scancode {x}", code);
|
|
return '\0';
|
|
}
|
|
|
|
} // namespace
|
|
|
|
void InterruptEnter(void* void_keyboard) {
|
|
KeyboardDriver* keyboard = static_cast<KeyboardDriver*>(void_keyboard);
|
|
|
|
keyboard->InterruptLoop();
|
|
}
|
|
|
|
KeyboardDriver::KeyboardDriver() { check(ZIrqRegister(kZIrqKbd, &irq_cap_)); }
|
|
|
|
void KeyboardDriver::RegisterListener(uint64_t port_cap) {
|
|
listeners_.PushFront(mmth::PortClient::AdoptPort(port_cap));
|
|
}
|
|
|
|
Thread KeyboardDriver::StartInterruptLoop() {
|
|
return Thread(InterruptEnter, this);
|
|
}
|
|
|
|
void KeyboardDriver::InterruptLoop() {
|
|
dbgln("Interrupt");
|
|
while (true) {
|
|
uint8_t scancode;
|
|
uint64_t num_bytes = 1;
|
|
uint64_t num_caps = 0;
|
|
check(ZPortRecv(irq_cap_, &num_bytes, &scancode, &num_caps, nullptr));
|
|
dbgln("Scan {x}", scancode);
|
|
|
|
for (mmth::PortClient& client : listeners_) {
|
|
client.WriteByte(ScancodeToChar(scancode));
|
|
}
|
|
}
|
|
}
|