static void pan_direct_gpio_interrupt(UINT32 param)
{
struct pan_key key;
static int keypress_count = 0, keypress_intv = 0;
static UINT32 keypress_bak = 0;
UINT32 keypress = PAN_KEY_INVALID;
unsigned char index;
if(pan_get_gpio(POS_GPIO_STANDBY_KEY)== POS_GPIO_STANDBY_KEY_POLAR)
index = 1;
else if(pan_get_gpio(POS_GPIO_CHANNEL_UP_KEY) == POS_GPIO_CHANNEL_UP_KEY_POLAR)
index = 2;
else if(pan_get_gpio(POS_GPIO_CHANNEL_DOWN_KEY) == POS_GPIO_CHANNEL_DOWN_KEY_POLAR)
index = 3;
else
index = 0;
keypress = scan_key_map[index];
/* Some key input */
if (keypress != PAN_KEY_INVALID)
{
if(keypress_bak == PAN_KEY_INVALID)
{
keypress_bak = keypress;
keypress_count = 1;
keypress_intv = 150;
}
else if(keypress_bak == keypress)
{
keypress_count++;
if(keypress_count == keypress_repeat)
{
key.type = PAN_KEY_TYPE_PANEL;
key.state = PAN_KEY_PRESSED;
key.count = 1;
key.code = keypress_bak;
//libc_printf("key press: %x \n",key.code);
pan_buff_queue_tail(&key);
}
else if(keypress_count == keypress_intv)
{
keypress_count = 0;
keypress_intv = 130;
}
}
}
else
{
keypress_bak = keypress;
}
}
static void panel_ch455_task(UINT32 param)
{
struct pan_device *dev = (struct pan_device *)param;
struct pan_ch455_private *tp = (struct pan_ch455_private *)dev->priv;
//struct pan_hw_info *hp = tp->hw_info;
struct pan_key key;
UINT8 row, column, status;
UINT8 data = 0xff;
static UINT8 cnt = 0;
UINT32 keypress = PAN_KEY_INVALID;
UINT32 re;
while(1)
{
if(re = read_key(tp, &data))
{
PAN_CH455_PRINTF("%s()=>Scan keyboard failed!re = %d.\n", __FUNCTION__, re);
goto ch455_sleep;
}
else
{ //bit 7 should always be 0, bit 2 should always be 1.
if(((data & 0x80) != 0) || ((data & 0x04) == 0))
{
PAN_CH455_PRINTF("%s()=>Read bad key code!data = 0x%2x.\n", __FUNCTION__, data);
goto ch455_sleep;
}
else
{
column = data & tp->mask_column; //(0~1)
row = (data & tp->mask_row) >> 3; //(0~6)
status = (data & tp->mask_status) >> 6;
//PAN_CH455_PRINTF("%s()=>data: 0x%2x, column: %d, row: %d, status: %d.\n", __FUNCTION__, data, column, row, status);
}
}
/*
//(column,row)=>(0,0), (0,1), (0,2), (0,3), (0,4), (0,5), (0,6), (1,0)
if(column == 0)
key_temp = 1 << row;
else
key_temp = 0x80;
*/
keypress = 0xffff0000 | data;
if (tp->bak_status == CH455_STATUS_UP)
{
if (status == CH455_STATUS_UP)
goto ch455_sleep;
//status == CH455_STATUS_DOWN
key.type = PAN_KEY_TYPE_PANEL;
key.state = PAN_KEY_PRESSED;
key.count = tp->key_cnt;
key.code = keypress;
pan_buff_queue_tail(&key);
tp->key_cnt ++;
tp->bak_status = status;
tp->keypress_cnt = 0;
}
else //tp->bak_status == CH455_STATUS_DOWN
{
if (status == CH455_STATUS_UP)
{
tp->key_cnt = 1;
//if (tp->hw_info->intv_release & 1) //If intv_release is odd, pan key repeat enable
if(1)
{
key.type = PAN_KEY_TYPE_PANEL;
key.state = PAN_KEY_RELEASE;
key.count = 1;
key.code = keypress;
pan_buff_queue_tail(&key);
}
tp->bak_status = status;
}
else
{
//status == CH455_STATUS_DOWN
tp->keypress_cnt ++;
if (tp->keypress_cnt == tp->keypress_intv)
{
key.type = PAN_KEY_TYPE_PANEL;
key.state = PAN_KEY_PRESSED;
key.count = tp->key_cnt;
key.code = keypress;
pan_buff_queue_tail(&key);
tp->key_cnt++;
tp->keypress_cnt = 0;
}
}
}
ch455_sleep:
osal_task_sleep(CH455_KEY_INTERVAL);
//osal_task_sleep(1000);
}//while(1)
}
