mbed official / mbed-src

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_RENESAS/TARGET_RZ_A1H/gpio_api.c@621:9c82b0f79f3d, 2015-09-11 (annotated)

Committer:
mbed_official
Date:
Fri Sep 11 09:30:09 2015 +0100
Revision:
621:9c82b0f79f3d
Parent:
500:04797f1feae2 
Synchronized with git revision 6c1d63e069ab9bd86de92e8296ca783681257538



Full URL: https://github.com/mbedmicro/mbed/commit/6c1d63e069ab9bd86de92e8296ca783681257538/



ignore target files not supported by the yotta module

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 390:35c2c1cf29cd 1 /* mbed Microcontroller Library
mbed_official 390:35c2c1cf29cd 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 390:35c2c1cf29cd 3 *
mbed_official 390:35c2c1cf29cd 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 390:35c2c1cf29cd 5 * you may not use this file except in compliance with the License.
mbed_official 390:35c2c1cf29cd 6 * You may obtain a copy of the License at
mbed_official 390:35c2c1cf29cd 7 *
mbed_official 390:35c2c1cf29cd 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 390:35c2c1cf29cd 9 *
mbed_official 390:35c2c1cf29cd 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 390:35c2c1cf29cd 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 390:35c2c1cf29cd 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 390:35c2c1cf29cd 13 * See the License for the specific language governing permissions and
mbed_official 390:35c2c1cf29cd 14 * limitations under the License.
mbed_official 390:35c2c1cf29cd 15 */
mbed_official 390:35c2c1cf29cd 16 #include "gpio_api.h"
mbed_official 390:35c2c1cf29cd 17 #include "pinmap.h"
mbed_official 390:35c2c1cf29cd 18 #include "gpio_addrdefine.h"
mbed_official 390:35c2c1cf29cd 19
mbed_official 390:35c2c1cf29cd 20
mbed_official 390:35c2c1cf29cd 21 uint32_t gpio_set(PinName pin) {
mbed_official 390:35c2c1cf29cd 22 pin_function(pin, 0);
mbed_official 390:35c2c1cf29cd 23 return (1 << PINNO(pin));
mbed_official 390:35c2c1cf29cd 24 }
mbed_official 390:35c2c1cf29cd 25
mbed_official 390:35c2c1cf29cd 26 void gpio_init(gpio_t *obj, PinName pin) {
mbed_official 390:35c2c1cf29cd 27 int group ;
mbed_official 460:3bcf9be0332c 28 obj->pin = pin;
mbed_official 390:35c2c1cf29cd 29 if(pin == NC) return;
mbed_official 390:35c2c1cf29cd 30
mbed_official 390:35c2c1cf29cd 31 obj->mask = gpio_set(pin);
mbed_official 390:35c2c1cf29cd 32
mbed_official 390:35c2c1cf29cd 33 group = PINGROUP(pin);
mbed_official 390:35c2c1cf29cd 34 if (group > 11) return;
mbed_official 390:35c2c1cf29cd 35
mbed_official 500:04797f1feae2 36 obj->reg_set = (volatile uint32_t *) PSR(group);
mbed_official 390:35c2c1cf29cd 37 obj->reg_in = (volatile uint32_t *) PPR(group);
mbed_official 500:04797f1feae2 38 obj->reg_dir = (volatile uint32_t *)PMSR(group);
mbed_official 390:35c2c1cf29cd 39 obj->reg_buf = (volatile uint32_t *)PIBC(group);
mbed_official 390:35c2c1cf29cd 40 }
mbed_official 390:35c2c1cf29cd 41
mbed_official 390:35c2c1cf29cd 42 void gpio_mode(gpio_t *obj, PinMode mode) {
mbed_official 500:04797f1feae2 43 /* Pull up and Pull down settings aren't supported because RZ/A1H doesn't have pull up/down for pins(signals). */
mbed_official 390:35c2c1cf29cd 44 }
mbed_official 390:35c2c1cf29cd 45
mbed_official 390:35c2c1cf29cd 46 void gpio_dir(gpio_t *obj, PinDirection direction) {
mbed_official 390:35c2c1cf29cd 47 switch (direction) {
mbed_official 500:04797f1feae2 48 case PIN_INPUT :
mbed_official 500:04797f1feae2 49 *obj->reg_dir = (obj->mask << 16) | obj->mask;
mbed_official 500:04797f1feae2 50 *obj->reg_buf |= obj->mask;
mbed_official 500:04797f1feae2 51 break;
mbed_official 500:04797f1feae2 52 case PIN_OUTPUT:
mbed_official 500:04797f1feae2 53 *obj->reg_dir = (obj->mask << 16) | 0;
mbed_official 500:04797f1feae2 54 *obj->reg_buf &= ~obj->mask;
mbed_official 500:04797f1feae2 55 break;
mbed_official 390:35c2c1cf29cd 56 }
mbed_official 390:35c2c1cf29cd 57 }