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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_LPC408X/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
bogdanm 15:4892fe388435 1 /* mbed Microcontroller Library
bogdanm 15:4892fe388435 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 15:4892fe388435 3 *
bogdanm 15:4892fe388435 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 15:4892fe388435 5 * you may not use this file except in compliance with the License.
bogdanm 15:4892fe388435 6 * You may obtain a copy of the License at
bogdanm 15:4892fe388435 7 *
bogdanm 15:4892fe388435 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 15:4892fe388435 9 *
bogdanm 15:4892fe388435 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 15:4892fe388435 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 15:4892fe388435 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 15:4892fe388435 13 * See the License for the specific language governing permissions and
bogdanm 15:4892fe388435 14 * limitations under the License.
bogdanm 15:4892fe388435 15 */
mbed_official 227:7bd0639b8911 16 #include "mbed_assert.h"
bogdanm 15:4892fe388435 17 #include "gpio_api.h"
bogdanm 15:4892fe388435 18 #include "pinmap.h"
bogdanm 15:4892fe388435 19
bogdanm 15:4892fe388435 20 uint32_t gpio_set(PinName pin) {
mbed_official 227:7bd0639b8911 21 MBED_ASSERT(pin != (PinName)NC);
bogdanm 15:4892fe388435 22 pin_function(pin, 0);
bogdanm 15:4892fe388435 23 return (1 << ((int)pin & 0x1F));
bogdanm 15:4892fe388435 24 }
bogdanm 15:4892fe388435 25
mbed_official 113:65a335a675de 26 void gpio_init(gpio_t *obj, PinName pin) {
bogdanm 15:4892fe388435 27 obj->pin = pin;
mbed_official 227:7bd0639b8911 28 if (pin == (PinName)NC)
mbed_official 227:7bd0639b8911 29 return;
mbed_official 227:7bd0639b8911 30
bogdanm 15:4892fe388435 31 obj->mask = gpio_set(pin);
bogdanm 15:4892fe388435 32
bogdanm 15:4892fe388435 33 LPC_GPIO_TypeDef *port_reg = (LPC_GPIO_TypeDef *) ((int)(LPC_GPIO0_BASE+pin) & ~0x1F);
bogdanm 15:4892fe388435 34
bogdanm 15:4892fe388435 35 obj->reg_set = &port_reg->SET;
bogdanm 15:4892fe388435 36 obj->reg_clr = &port_reg->CLR;
bogdanm 15:4892fe388435 37 obj->reg_in = &port_reg->PIN;
bogdanm 15:4892fe388435 38 obj->reg_dir = &port_reg->DIR;
bogdanm 15:4892fe388435 39 }
bogdanm 15:4892fe388435 40
bogdanm 15:4892fe388435 41 void gpio_mode(gpio_t *obj, PinMode mode) {
bogdanm 15:4892fe388435 42 pin_mode(obj->pin, mode);
bogdanm 15:4892fe388435 43 }
bogdanm 15:4892fe388435 44
bogdanm 15:4892fe388435 45 void gpio_dir(gpio_t *obj, PinDirection direction) {
mbed_official 227:7bd0639b8911 46 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 227:7bd0639b8911 47
bogdanm 15:4892fe388435 48 switch (direction) {
mbed_official 227:7bd0639b8911 49 case PIN_INPUT :
mbed_official 227:7bd0639b8911 50 *obj->reg_dir &= ~obj->mask;
mbed_official 227:7bd0639b8911 51 break;
mbed_official 227:7bd0639b8911 52 case PIN_OUTPUT:
mbed_official 227:7bd0639b8911 53 *obj->reg_dir |= obj->mask;
mbed_official 227:7bd0639b8911 54 break;
bogdanm 15:4892fe388435 55 }
bogdanm 15:4892fe388435 56 }