1 /* mbed Microcontroller Library
2 * Copyright (c) 2006-2013 ARM Limited
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 #include "mbed_assert.h"
18 #include "mbed_error.h"
19 #include "fsl_clock_manager.h"
20 #include "fsl_port_hal.h"
22 void pin_function(PinName pin, int function) {
23 MBED_ASSERT(pin != (PinName)NC);
24 CLOCK_SYS_EnablePortClock(pin >> GPIO_PORT_SHIFT);
25 uint32_t port_addrs[] = PORT_BASE_ADDRS;
26 PORT_HAL_SetMuxMode(port_addrs[pin >> GPIO_PORT_SHIFT], pin & 0xFF, (port_mux_t)function);
29 void pin_mode(PinName pin, PinMode mode) {
30 MBED_ASSERT(pin != (PinName)NC);
31 uint32_t instance = pin >> GPIO_PORT_SHIFT;
32 uint32_t port_addrs[] = PORT_BASE_ADDRS;
33 uint32_t pinName = pin & 0xFF;
37 PORT_HAL_SetPullCmd(port_addrs[instance], pinName, false);
38 PORT_HAL_SetPullMode(port_addrs[instance], pinName, kPortPullDown);
41 PORT_HAL_SetPullCmd(port_addrs[instance], pinName, true);
42 PORT_HAL_SetPullMode(port_addrs[instance], pinName, kPortPullDown);
45 PORT_HAL_SetPullCmd(port_addrs[instance], pinName, true);
46 PORT_HAL_SetPullMode(port_addrs[instance], pinName, kPortPullUp);