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mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

Import librarymbed

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_NXP/TARGET_LPC13XX/gpio_api.c@440:8a0b45cd594f, 2014-12-16 (annotated)

Committer:
mbed_official
Date:
Tue Dec 16 08:15:08 2014 +0000
Revision:
440:8a0b45cd594f
Parent:
227:7bd0639b8911 
Synchronized with git revision 67fbbf0b635d0c0d93fbe433306c537c2ad206aa



Full URL: https://github.com/mbedmicro/mbed/commit/67fbbf0b635d0c0d93fbe433306c537c2ad206aa/



Targets: nrf51 - updating app_timer.c from Norid'c SDKv7.1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 10:3bc89ef62ce7 1 /* mbed Microcontroller Library
emilmont 10:3bc89ef62ce7 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 10:3bc89ef62ce7 3 *
emilmont 10:3bc89ef62ce7 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 10:3bc89ef62ce7 5 * you may not use this file except in compliance with the License.
emilmont 10:3bc89ef62ce7 6 * You may obtain a copy of the License at
emilmont 10:3bc89ef62ce7 7 *
emilmont 10:3bc89ef62ce7 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 10:3bc89ef62ce7 9 *
emilmont 10:3bc89ef62ce7 10 * Unless required by applicable law or agreed to in writing, software
emilmont 10:3bc89ef62ce7 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 10:3bc89ef62ce7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 10:3bc89ef62ce7 13 * See the License for the specific language governing permissions and
emilmont 10:3bc89ef62ce7 14 * limitations under the License.
emilmont 10:3bc89ef62ce7 15 */
mbed_official 227:7bd0639b8911 16 #include "mbed_assert.h"
emilmont 10:3bc89ef62ce7 17 #include "gpio_api.h"
emilmont 10:3bc89ef62ce7 18 #include "pinmap.h"
emilmont 10:3bc89ef62ce7 19
emilmont 10:3bc89ef62ce7 20 uint32_t gpio_set(PinName pin) {
mbed_official 227:7bd0639b8911 21 MBED_ASSERT(pin != (PinName)NC);
mbed_official 227:7bd0639b8911 22 int f = ((pin == P0_11) || (pin == P0_12) ||
mbed_official 227:7bd0639b8911 23 (pin == P0_13) || (pin == P0_14)) ? (1) : (0);
emilmont 10:3bc89ef62ce7 24 pin_function(pin, f);
mbed_official 227:7bd0639b8911 25
emilmont 10:3bc89ef62ce7 26 return (1 << ((int)pin & 0x1F));
emilmont 10:3bc89ef62ce7 27 }
emilmont 10:3bc89ef62ce7 28
mbed_official 113:65a335a675de 29 void gpio_init(gpio_t *obj, PinName pin) {
mbed_official 227:7bd0639b8911 30 obj->pin = pin;
mbed_official 227:7bd0639b8911 31 if (pin == (PinName)NC)
mbed_official 227:7bd0639b8911 32 return;
emilmont 10:3bc89ef62ce7 33
emilmont 10:3bc89ef62ce7 34 obj->mask = gpio_set(pin);
emilmont 10:3bc89ef62ce7 35
emilmont 10:3bc89ef62ce7 36 unsigned int port = (unsigned int)pin >> PORT_SHIFT;
emilmont 10:3bc89ef62ce7 37
emilmont 10:3bc89ef62ce7 38 obj->reg_set = &LPC_GPIO->SET[port];
emilmont 10:3bc89ef62ce7 39 obj->reg_clr = &LPC_GPIO->CLR[port];
emilmont 10:3bc89ef62ce7 40 obj->reg_in = &LPC_GPIO->PIN[port];
emilmont 10:3bc89ef62ce7 41 obj->reg_dir = &LPC_GPIO->DIR[port];
emilmont 10:3bc89ef62ce7 42 }
emilmont 10:3bc89ef62ce7 43
emilmont 10:3bc89ef62ce7 44 void gpio_mode(gpio_t *obj, PinMode mode) {
emilmont 10:3bc89ef62ce7 45 pin_mode(obj->pin, mode);
emilmont 10:3bc89ef62ce7 46 }
emilmont 10:3bc89ef62ce7 47
emilmont 10:3bc89ef62ce7 48 void gpio_dir(gpio_t *obj, PinDirection direction) {
mbed_official 227:7bd0639b8911 49 MBED_ASSERT(obj->pin != (PinName)NC);
emilmont 10:3bc89ef62ce7 50 switch (direction) {
mbed_official 227:7bd0639b8911 51 case PIN_INPUT :
mbed_official 227:7bd0639b8911 52 *obj->reg_dir &= ~obj->mask;
mbed_official 227:7bd0639b8911 53 break;
mbed_official 227:7bd0639b8911 54 case PIN_OUTPUT:
mbed_official 227:7bd0639b8911 55 *obj->reg_dir |= obj->mask;
mbed_official 227:7bd0639b8911 56 break;
emilmont 10:3bc89ef62ce7 57 }
emilmont 10:3bc89ef62ce7 58 }