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Dependents:   MX106-finaltest

Fork of mbed-src by mbed official

targets/hal/TARGET_NXP/TARGET_LPC11UXX/gpio_api.c@207:05668db47a72, 2014-05-23 (annotated)

Committer:
mbed_official
Date:
Fri May 23 08:45:06 2014 +0100
Revision:
207:05668db47a72
Parent:
113:65a335a675de
Child:
227:7bd0639b8911
Synchronized with git revision 10e3a9cea1c4a29a2df1152d715558ad48b085ad



Full URL: https://github.com/mbedmicro/mbed/commit/10e3a9cea1c4a29a2df1152d715558ad48b085ad/



[STM32F103RB] Support for GCC_ARM toolchain

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 */
emilmont 10:3bc89ef62ce7 16 #include "gpio_api.h"
emilmont 10:3bc89ef62ce7 17 #include "pinmap.h"
emilmont 10:3bc89ef62ce7 18
emilmont 10:3bc89ef62ce7 19 uint32_t gpio_set(PinName pin) {
mbed_official 207:05668db47a72 20 int f = ((pin == P0_0) ||
mbed_official 207:05668db47a72 21 (pin == P0_10) ||
mbed_official 207:05668db47a72 22 (pin == P0_11) ||
emilmont 10:3bc89ef62ce7 23 (pin == P0_12) ||
emilmont 10:3bc89ef62ce7 24 (pin == P0_13) ||
mbed_official 207:05668db47a72 25 (pin == P0_14) ||
mbed_official 207:05668db47a72 26 (pin == P0_15)) ? (1) : (0);
emilmont 10:3bc89ef62ce7 27
emilmont 10:3bc89ef62ce7 28 pin_function(pin, f);
emilmont 10:3bc89ef62ce7 29
emilmont 10:3bc89ef62ce7 30 return (1 << ((int)pin & 0x1F));
emilmont 10:3bc89ef62ce7 31 }
emilmont 10:3bc89ef62ce7 32
mbed_official 113:65a335a675de 33 void gpio_init(gpio_t *obj, PinName pin) {
emilmont 10:3bc89ef62ce7 34 if(pin == NC) return;
emilmont 10:3bc89ef62ce7 35
emilmont 10:3bc89ef62ce7 36 obj->pin = pin;
emilmont 10:3bc89ef62ce7 37 obj->mask = gpio_set(pin);
emilmont 10:3bc89ef62ce7 38
emilmont 10:3bc89ef62ce7 39 unsigned int port = (unsigned int)pin >> PORT_SHIFT;
emilmont 10:3bc89ef62ce7 40
emilmont 10:3bc89ef62ce7 41 obj->reg_set = &LPC_GPIO->SET[port];
emilmont 10:3bc89ef62ce7 42 obj->reg_clr = &LPC_GPIO->CLR[port];
emilmont 10:3bc89ef62ce7 43 obj->reg_in = &LPC_GPIO->PIN[port];
emilmont 10:3bc89ef62ce7 44 obj->reg_dir = &LPC_GPIO->DIR[port];
emilmont 10:3bc89ef62ce7 45 }
emilmont 10:3bc89ef62ce7 46
emilmont 10:3bc89ef62ce7 47 void gpio_mode(gpio_t *obj, PinMode mode) {
emilmont 10:3bc89ef62ce7 48 pin_mode(obj->pin, mode);
emilmont 10:3bc89ef62ce7 49 }
emilmont 10:3bc89ef62ce7 50
emilmont 10:3bc89ef62ce7 51 void gpio_dir(gpio_t *obj, PinDirection direction) {
emilmont 10:3bc89ef62ce7 52 switch (direction) {
emilmont 10:3bc89ef62ce7 53 case PIN_INPUT : *obj->reg_dir &= ~obj->mask; break;
emilmont 10:3bc89ef62ce7 54 case PIN_OUTPUT: *obj->reg_dir |= obj->mask; break;
emilmont 10:3bc89ef62ce7 55 }
emilmont 10:3bc89ef62ce7 56 }