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drain

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This commit is contained in:
Eggert Jung
2025-05-06 18:54:09 +02:00
parent ecc3b1011d
commit 24c6311f38
2 changed files with 5 additions and 4 deletions
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8
device/ps2controller.cc
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@@ -110,7 +110,7 @@ void init() {
bool fetch(Key &pressed) { bool fetch(Key &pressed) {
uint8_t status_reg = ctrl_port.inb(); uint8_t status_reg = ctrl_port.inb();
if(!(status_reg & HAS_OUTPUT) ) if(!(status_reg & HAS_OUTPUT) )
return false; // TODO Remove mouse events from buffer return false;
DBG_VERBOSE << "status: " << hex << static_cast<int>(status_reg) << "\n" << flush; DBG_VERBOSE << "status: " << hex << static_cast<int>(status_reg) << "\n" << flush;
uint8_t out_buffer = data_port.inb(); uint8_t out_buffer = data_port.inb();
@@ -142,6 +142,8 @@ void setLed(enum LED led, bool on) {
sendData(leds); // Parameter sendData(leds); // Parameter
} }
void drainBuffer() {} void drainBuffer() {
while(ctrl_port.inb() & HAS_OUTPUT)
data_port.inb();
}
} // namespace PS2Controller } // namespace PS2Controller

1
device/ps2controller.h
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@@ -146,7 +146,6 @@ void setLed(enum LED led, bool on);
* should be emptied once right before allowing keyboard interrupts * should be emptied once right before allowing keyboard interrupts
* (even if keystrokes might be lost). * (even if keystrokes might be lost).
* *
* \todo(12) Implement method
*/ */
void drainBuffer(); void drainBuffer();