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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/gpio_api.c@395:bfce16e86ea4, 2014-11-10 (annotated)

Committer:
mbed_official
Date:
Mon Nov 10 07:45:06 2014 +0000
Revision:
395:bfce16e86ea4
Parent:
300:55638feb26a4 
Synchronized with git revision 8adfd82aa1bf8859ec08537ee7bcd4aaaec1769b



Full URL: https://github.com/mbedmicro/mbed/commit/8adfd82aa1bf8859ec08537ee7bcd4aaaec1769b/



Targets: LPC176X - Add repeater pinmode

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 85:e1a8e879a6a9 1 /* mbed Microcontroller Library
mbed_official 85:e1a8e879a6a9 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 85:e1a8e879a6a9 3 *
mbed_official 85:e1a8e879a6a9 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 85:e1a8e879a6a9 5 * you may not use this file except in compliance with the License.
mbed_official 85:e1a8e879a6a9 6 * You may obtain a copy of the License at
mbed_official 85:e1a8e879a6a9 7 *
mbed_official 85:e1a8e879a6a9 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 85:e1a8e879a6a9 9 *
mbed_official 85:e1a8e879a6a9 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 85:e1a8e879a6a9 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 85:e1a8e879a6a9 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 85:e1a8e879a6a9 13 * See the License for the specific language governing permissions and
mbed_official 85:e1a8e879a6a9 14 * limitations under the License.
mbed_official 85:e1a8e879a6a9 15 */
mbed_official 227:7bd0639b8911 16 #include "mbed_assert.h"
mbed_official 85:e1a8e879a6a9 17 #include "gpio_api.h"
mbed_official 85:e1a8e879a6a9 18 #include "pinmap.h"
mbed_official 85:e1a8e879a6a9 19
mbed_official 300:55638feb26a4 20 void gpio_init(gpio_t *obj, PinName pin)
mbed_official 300:55638feb26a4 21 {
mbed_official 227:7bd0639b8911 22 obj->pin = pin;
mbed_official 300:55638feb26a4 23 if (pin == (PinName)NC) {
mbed_official 227:7bd0639b8911 24 return;
mbed_official 300:55638feb26a4 25 }
mbed_official 85:e1a8e879a6a9 26
mbed_official 227:7bd0639b8911 27 obj->mask = (1ul << pin);
mbed_official 85:e1a8e879a6a9 28
mbed_official 85:e1a8e879a6a9 29 obj->reg_set = &NRF_GPIO->OUTSET;
mbed_official 85:e1a8e879a6a9 30 obj->reg_clr = &NRF_GPIO->OUTCLR;
mbed_official 85:e1a8e879a6a9 31 obj->reg_in = &NRF_GPIO->IN;
mbed_official 85:e1a8e879a6a9 32 obj->reg_dir = &NRF_GPIO->DIR;
mbed_official 85:e1a8e879a6a9 33 }
mbed_official 85:e1a8e879a6a9 34
mbed_official 300:55638feb26a4 35 void gpio_mode(gpio_t *obj, PinMode mode)
mbed_official 300:55638feb26a4 36 {
mbed_official 85:e1a8e879a6a9 37 pin_mode(obj->pin, mode);
mbed_official 85:e1a8e879a6a9 38 }
mbed_official 85:e1a8e879a6a9 39
mbed_official 300:55638feb26a4 40 void gpio_dir(gpio_t *obj, PinDirection direction)
mbed_official 300:55638feb26a4 41 {
mbed_official 227:7bd0639b8911 42 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 85:e1a8e879a6a9 43 switch (direction) {
mbed_official 300:55638feb26a4 44 case PIN_INPUT:
mbed_official 227:7bd0639b8911 45 NRF_GPIO->PIN_CNF[obj->pin] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
mbed_official 85:e1a8e879a6a9 46 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
mbed_official 85:e1a8e879a6a9 47 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
mbed_official 85:e1a8e879a6a9 48 | (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
mbed_official 227:7bd0639b8911 49 break;
mbed_official 227:7bd0639b8911 50 case PIN_OUTPUT:
mbed_official 227:7bd0639b8911 51 NRF_GPIO->PIN_CNF[obj->pin] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
mbed_official 85:e1a8e879a6a9 52 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
mbed_official 85:e1a8e879a6a9 53 | (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
mbed_official 85:e1a8e879a6a9 54 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
mbed_official 85:e1a8e879a6a9 55 | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
mbed_official 227:7bd0639b8911 56 break;
mbed_official 85:e1a8e879a6a9 57 }
mbed_official 85:e1a8e879a6a9 58 }