void port_dir(port_t *obj, PinDirection dir)
{
MBED_ASSERT(obj);
MBED_ASSERT(obj->port);
obj->direction = dir;
port_init_pins(obj);
}
void port_mode(port_t *obj, PinMode mode)
{
MBED_ASSERT(obj);
MBED_ASSERT(obj->port);
obj->mode = mode;
port_init_pins(obj);
}
void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
{
uint32_t pin;
MBED_ASSERT(obj);
for (pin = 0; pin < 8; ++pin) {
if (mask & (1 << pin)) {
if (cy_reserve_io_pin((PinName)((port << 8)+pin))) {
error("Port pin reservation conflict.");
}
}
}
obj->port_id = port;
obj->port = Cy_GPIO_PortToAddr(port);
obj->mask = mask & 0xff; // Only 8 bits exist on a port in PSoC.
obj->direction = dir;
obj->mode = PullDefault;
port_init_pins(obj);
}
void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
{
uint32_t pin;
MBED_ASSERT(obj);
for (pin = 0; pin < 8; ++pin) {
if (mask & (1 << pin)) {
/* Ignore pin reservation result because there is not possibility to release
* reserved HW resource. The MBED does not provide proper destructors for
* doing that.
*/
(void) cy_reserve_io_pin((PinName)((port << 8) + pin));
}
}
obj->port_id = port;
obj->port = Cy_GPIO_PortToAddr(port);
obj->mask = mask & 0xff; // Only 8 bits exist on a port in PSoC.
obj->direction = dir;
obj->mode = PullDefault;
port_init_pins(obj);
}
