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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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@270:e2babe29baf8, 2014-08-01 (annotated)

Committer:
mbed_official
Date:
Fri Aug 01 14:45:06 2014 +0100
Revision:
270:e2babe29baf8
Parent:
targets/hal/TARGET_NORDIC/TARGET_NRF51822/gpio_api.c@227:7bd0639b8911
Child:
300:55638feb26a4
Synchronized with git revision 988c22d5984ba5565d9e83305cc1eb6431a683ee



Full URL: https://github.com/mbedmicro/mbed/commit/988c22d5984ba5565d9e83305cc1eb6431a683ee/



Fixed L6235E link error for NRF51822 variants

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 113:65a335a675de 20 void gpio_init(gpio_t *obj, PinName pin) {
mbed_official 227:7bd0639b8911 21 obj->pin = pin;
mbed_official 227:7bd0639b8911 22 if (pin == (PinName)NC)
mbed_official 227:7bd0639b8911 23 return;
mbed_official 85:e1a8e879a6a9 24
mbed_official 227:7bd0639b8911 25 obj->mask = (1ul << pin);
mbed_official 85:e1a8e879a6a9 26
mbed_official 85:e1a8e879a6a9 27 obj->reg_set = &NRF_GPIO->OUTSET;
mbed_official 85:e1a8e879a6a9 28 obj->reg_clr = &NRF_GPIO->OUTCLR;
mbed_official 85:e1a8e879a6a9 29 obj->reg_in = &NRF_GPIO->IN;
mbed_official 85:e1a8e879a6a9 30 obj->reg_dir = &NRF_GPIO->DIR;
mbed_official 85:e1a8e879a6a9 31 }
mbed_official 85:e1a8e879a6a9 32
mbed_official 85:e1a8e879a6a9 33 void gpio_mode(gpio_t *obj, PinMode mode) {
mbed_official 85:e1a8e879a6a9 34 pin_mode(obj->pin, mode);
mbed_official 85:e1a8e879a6a9 35 }
mbed_official 85:e1a8e879a6a9 36
mbed_official 85:e1a8e879a6a9 37 void gpio_dir(gpio_t *obj, PinDirection direction) {
mbed_official 227:7bd0639b8911 38 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 85:e1a8e879a6a9 39 switch (direction) {
mbed_official 85:e1a8e879a6a9 40 case PIN_INPUT :
mbed_official 227:7bd0639b8911 41 NRF_GPIO->PIN_CNF[obj->pin] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
mbed_official 85:e1a8e879a6a9 42 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
mbed_official 85:e1a8e879a6a9 43 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
mbed_official 85:e1a8e879a6a9 44 | (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
mbed_official 227:7bd0639b8911 45 break;
mbed_official 227:7bd0639b8911 46 case PIN_OUTPUT:
mbed_official 227:7bd0639b8911 47 NRF_GPIO->PIN_CNF[obj->pin] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
mbed_official 85:e1a8e879a6a9 48 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
mbed_official 85:e1a8e879a6a9 49 | (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
mbed_official 85:e1a8e879a6a9 50 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
mbed_official 85:e1a8e879a6a9 51 | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
mbed_official 227:7bd0639b8911 52 break;
mbed_official 85:e1a8e879a6a9 53 }
mbed_official 85:e1a8e879a6a9 54 }
mbed_official 85:e1a8e879a6a9 55