/**************************************************************************************************
* @fn HalKeyRead
*
* @brief Read the current value of a key
*
* @param None
*
* @return keys - current keys status
**************************************************************************************************/
uint8 HalKeyRead ( void )
{
uint8 keys = 0;
if (HAL_PUSH_BUTTON1())
{
keys = HAL_KEY_SW_1;
}
if (HAL_PUSH_BUTTON2())
{
keys |= HAL_KEY_SW_2;
}
return keys;
}
/**************************************************************************************************
* @fn HalKeyPoll
*
* @brief Called by hal_driver to poll the keys
*
* @param None
*
* @return None
**************************************************************************************************/
void HalKeyPoll (void)
{
uint8 keys = 0;
if (HAL_PUSH_BUTTON1())
{
keys |= HAL_KEY_SW_6; //P0.6 LINK_KEY
}
if(HAL_PUSH_BUTTON2())
{
keys |= HAL_KEY_SW_7; //P1.1 WORK_KEY
}
/* Invoke Callback if new keys were depressed */
if (keys && (pHalKeyProcessFunction))
{
(pHalKeyProcessFunction) (keys, HAL_KEY_STATE_NORMAL);
}
}
/**************************************************************************************************
* @fn HalKeyPoll
*
* @brief Called by hal_driver to poll the keys
*
* @param None
*
* @return None
**************************************************************************************************/
void HalKeyPoll (void)
{
uint8 keys = 0;
if (HAL_PUSH_BUTTON1())
{
keys = HAL_KEY_SW_1;
}
if (HAL_PUSH_BUTTON2())
{
keys |= HAL_KEY_SW_2;
}
/* If interrupts are not enabled, previous key status and current key status
* are compared to find out if a key has changed status.
*/
if (!Hal_KeyIntEnable)
{
if (keys == halKeySavedKeys)
{
/* Exit - since no keys have changed */
return;
}
/* Store the current keys for comparation next time */
halKeySavedKeys = keys;
}
else
{
/* Key interrupt handled here */
}
/* Invoke Callback if new keys were depressed */
if (keys && (pHalKeyProcessFunction))
{
(pHalKeyProcessFunction) (keys, HAL_KEY_STATE_NORMAL);
}
}
