/**
* Monitor keyboard buttons & Update key status in HID driver
*/
static void HIDDKeyboardProcessKeys(void)
{
uint32_t i;
uint8_t pressedKeys[NUM_KEYS];
uint8_t pressedKeysSize = 0;
uint8_t releasedKeys[NUM_KEYS];
uint8_t releasedKeysSize = 0;
/* Monitor buttons */
for (i=0; i < PIO_LISTSIZE(pinsPushButtons); i++) {
/* Check if button state has changed */
uint8_t isButtonPressed = PIO_Get(&(pinsPushButtons[i]));
if (isButtonPressed != keyStatus[i]) {
/* Update button state */
if (!isButtonPressed) {
/* Key has been pressed */
TRACE_INFO("-I- Key %u has been pressed\n\r", (unsigned int)i);
keyStatus[i] = 0;
pressedKeys[pressedKeysSize] = keyCodes[i];
pressedKeysSize++;
HIDDKeyboard_RemoteWakeUp();
}
else {
/* Key has been released */
TRACE_INFO("-I- Key %u has been released\n\r", (unsigned int)i);
keyStatus[i] = 1;
releasedKeys[releasedKeysSize] = keyCodes[i];
releasedKeysSize++;
}
}
}
/* Update key status in the HID driver if necessary */
if ((pressedKeysSize != 0) || (releasedKeysSize != 0)) {
uint8_t status;
do {
status = HIDDKeyboard_ChangeKeys(pressedKeys,
pressedKeysSize,
releasedKeys,
releasedKeysSize);
}
while (status != USBD_STATUS_SUCCESS);
}
}
/**
* Monitor keyboard buttons & Update key status in HID driver
*/
static void HIDDKeyboardProcessKeys(void)
{
uint32_t i;
uint8_t pressedKeys[NUM_KEYS];
uint8_t pressedKeysSize = 0;
uint8_t releasedKeys[NUM_KEYS];
uint8_t releasedKeysSize = 0;
/* Monitor buttons */
#ifdef NO_PUSHBUTTON
if (DBG_IsRxReady()) {
uint8_t key = DBG_GetChar();
switch (key) {
case '1': case '2':
i = key - '1';
if (keyStatus[i]) {
/* Key press simulation */
TRACE_INFO("Key %u pressed\n\r", (unsigned int)i);
keyStatus[i] = 0;
pressedKeys[pressedKeysSize] = keyCodes[i];
pressedKeysSize ++;
HIDDKeyboard_RemoteWakeUp();
} else {
/* Key release simulation */
TRACE_INFO("Key %u released\n\r", (unsigned int)i);
keyStatus[i] = 1;
releasedKeys[releasedKeysSize] = keyCodes[i];
releasedKeysSize++;
}
break;
default: DBG_PutChar(key);
}
}
#else
for (i = 0; i < PIO_LISTSIZE(pinsPushButtons); i++) {
/* Check if button state has changed */
uint8_t isButtonPressed = PIO_Get(&(pinsPushButtons[i]));
if (isButtonPressed != keyStatus[i]) {
/* Update button state */
if (!isButtonPressed) {
/* Key has been pressed */
TRACE_INFO("Key %u has been pressed\n\r", i);
keyStatus[i] = 0;
pressedKeys[pressedKeysSize] = keyCodes[i];
pressedKeysSize++;
HIDDKeyboard_RemoteWakeUp();
} else {
/* Key has been released */
TRACE_INFO("Key %u has been released\n\r", i);
keyStatus[i] = 1;
releasedKeys[releasedKeysSize] = keyCodes[i];
releasedKeysSize++;
}
}
}
#endif
/* Update key status in the HID driver if necessary */
if ((pressedKeysSize != 0) || (releasedKeysSize != 0)) {
uint8_t status;
do {
status = HIDDKeyboard_ChangeKeys(pressedKeys,
pressedKeysSize,
releasedKeys,
releasedKeysSize);
} while (status != USBD_STATUS_SUCCESS);
}
}
