tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/pinmap.c

   1 /* mbed Microcontroller Library
   2  * Copyright (c) 2006-2013 ARM Limited
   3  *
   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
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  */
  16 #include "mbed_assert.h"
  17 #include "pinmap.h"
  18 #include "mbed_error.h"
  19
  20 void pin_function(PinName pin, int function)
  21 {
  22 }
  23
  24 void pin_mode(PinName pin, PinMode mode)
  25 {
  26     MBED_ASSERT(pin != (PinName)NC);
  27
  28     uint32_t pin_number = (uint32_t)pin;
  29
  30     NRF_GPIO->PIN_CNF[pin_number] &= ~GPIO_PIN_CNF_PULL_Msk;
  31     NRF_GPIO->PIN_CNF[pin_number] |= (mode << GPIO_PIN_CNF_PULL_Pos);
  32 }