static int sh_eth_bb_mdio_tristate(struct bb_miiphy_bus *bus)
{
struct sh_eth_dev *eth = bus->priv;
int port = eth->port;
outl(inl(PIR(port)) & ~PIR_MMD, PIR(port));
return 0;
}
static void sh_eth_mii_bus_release(int port)
{
/* Read direction, clock is low */
outl(0, PIR(port));
udelay(1);
/* Read direction, clock is high */
outl(1, PIR(port));
udelay(1);
/* Read direction, clock is low */
outl(0, PIR(port));
udelay(1);
}
static int sh_eth_bb_set_mdc(struct bb_miiphy_bus *bus, int v)
{
struct sh_eth_dev *eth = bus->priv;
int port = eth->port;
if (v)
outl(inl(PIR(port)) | PIR_MDC, PIR(port));
else
outl(inl(PIR(port)) & ~PIR_MDC, PIR(port));
return 0;
}
//Main Function
int main(void)
{
lcd_port_config();
lcd_init();
unsigned char x;
PIR();
while(1)
{
x = PINL &0xFF;
if(x) //switch is not pressed
{
lcd_cursor(1,1);
lcd_string("Human Detected ");
}
else
{
lcd_cursor(1,1);
lcd_string("Empty Space ");
}
}
}
static void sh_eth_mii_read_phy_bits(int port, u32 *val, int len)
{
int i;
u32 pir;
*val = 0;
for (i = len - 1; i >= 0; i--) {
/* Read direction, clock is high */
outl(1, PIR(port));
udelay(1);
/* Read bit */
pir = inl(PIR(port));
*val |= (pir & 8) ? 1 << i : 0;
/* Read direction, clock is low */
outl(0, PIR(port));
udelay(1);
}
}
static int sh_eth_bb_get_mdio(struct bb_miiphy_bus *bus, int *v)
{
struct sh_eth_dev *eth = bus->priv;
int port = eth->port;
*v = (inl(PIR(port)) & PIR_MDI) >> 3;
return 0;
}
/*
* Bits are written to the PHY serially using the
* PIR register, just like a bit banger.
*/
static void sh_eth_mii_write_phy_bits(int port, u32 val, int len)
{
int i;
u32 pir;
/* Bit positions is 1 less than the number of bits */
for (i = len - 1; i >= 0; i--) {
/* Write direction, bit to write, clock is low */
pir = 2 | ((val & 1 << i) ? 1 << 2 : 0);
outl(pir, PIR(port));
udelay(1);
/* Write direction, bit to write, clock is high */
pir = 3 | ((val & 1 << i) ? 1 << 2 : 0);
outl(pir, PIR(port));
udelay(1);
/* Write direction, bit to write, clock is low */
pir = 2 | ((val & 1 << i) ? 1 << 2 : 0);
outl(pir, PIR(port));
udelay(1);
}
}
bool SafeCheck(int matrix[N][N], int row, int col, int num) // Checks if it is safe for a number to get placed.
{
return !PIR(matrix, row, num) &&
!PIC(matrix, col, num) &&
!PIB(matrix, row - row%3 , col - col%3, num);
}
//Function to Initialize PORTS
void port_init()
{
lcd_port_config();
LED();
PIR();
}
