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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

Committer:
mbed_official
Date:
Fri Sep 11 09:30:09 2015 +0100
Revision:
621:9c82b0f79f3d
Parent:
390:35c2c1cf29cd 
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 "port_api.h"
mbed_official 390:35c2c1cf29cd 17 #include "pinmap.h"
mbed_official 390:35c2c1cf29cd 18 #include "gpio_api.h"
mbed_official 390:35c2c1cf29cd 19
mbed_official 390:35c2c1cf29cd 20 PinName port_pin(PortName port, int pin_n) {
mbed_official 390:35c2c1cf29cd 21 return (PinName)(0);
mbed_official 390:35c2c1cf29cd 22 }
mbed_official 390:35c2c1cf29cd 23
mbed_official 390:35c2c1cf29cd 24 void port_init(port_t *obj, PortName port, int mask, PinDirection dir) {
mbed_official 390:35c2c1cf29cd 25 obj->port = port;
mbed_official 390:35c2c1cf29cd 26 obj->mask = mask;
mbed_official 390:35c2c1cf29cd 27
mbed_official 390:35c2c1cf29cd 28 // Do not use masking, because it prevents the use of the unmasked pins
mbed_official 390:35c2c1cf29cd 29 // port_reg->FIOMASK = ~mask;
mbed_official 390:35c2c1cf29cd 30
mbed_official 390:35c2c1cf29cd 31 uint32_t i;
mbed_official 390:35c2c1cf29cd 32 // The function is set per pin: reuse gpio logic
mbed_official 390:35c2c1cf29cd 33 for (i=0; i<32; i++) {
mbed_official 390:35c2c1cf29cd 34 if (obj->mask & (1<<i)) {
mbed_official 390:35c2c1cf29cd 35 gpio_set(port_pin(obj->port, i));
mbed_official 390:35c2c1cf29cd 36 }
mbed_official 390:35c2c1cf29cd 37 }
mbed_official 390:35c2c1cf29cd 38
mbed_official 390:35c2c1cf29cd 39 port_dir(obj, dir);
mbed_official 390:35c2c1cf29cd 40 }
mbed_official 390:35c2c1cf29cd 41
mbed_official 390:35c2c1cf29cd 42 void port_mode(port_t *obj, PinMode mode) {
mbed_official 390:35c2c1cf29cd 43 uint32_t i;
mbed_official 390:35c2c1cf29cd 44 // The mode is set per pin: reuse pinmap logic
mbed_official 390:35c2c1cf29cd 45 for (i=0; i<32; i++) {
mbed_official 390:35c2c1cf29cd 46 if (obj->mask & (1<<i)) {
mbed_official 390:35c2c1cf29cd 47 pin_mode(port_pin(obj->port, i), mode);
mbed_official 390:35c2c1cf29cd 48 }
mbed_official 390:35c2c1cf29cd 49 }
mbed_official 390:35c2c1cf29cd 50 }
mbed_official 390:35c2c1cf29cd 51
mbed_official 390:35c2c1cf29cd 52 void port_dir(port_t *obj, PinDirection dir) {
mbed_official 390:35c2c1cf29cd 53 switch (dir) {
mbed_official 390:35c2c1cf29cd 54 case PIN_INPUT : *obj->reg_dir &= ~obj->mask; break;
mbed_official 390:35c2c1cf29cd 55 case PIN_OUTPUT: *obj->reg_dir |= obj->mask; break;
mbed_official 390:35c2c1cf29cd 56 }
mbed_official 390:35c2c1cf29cd 57 }
mbed_official 390:35c2c1cf29cd 58
mbed_official 390:35c2c1cf29cd 59 void port_write(port_t *obj, int value) {
mbed_official 390:35c2c1cf29cd 60 *obj->reg_out = (*obj->reg_in & ~obj->mask) | (value & obj->mask);
mbed_official 390:35c2c1cf29cd 61 }
mbed_official 390:35c2c1cf29cd 62
mbed_official 390:35c2c1cf29cd 63 int port_read(port_t *obj) {
mbed_official 390:35c2c1cf29cd 64 return (*obj->reg_in & obj->mask);
mbed_official 390:35c2c1cf29cd 65 }