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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_Freescale/TARGET_KLXX/port_api.c@111:ae4891ca7084, 2014-03-06 (annotated)

Committer:
mbed_official
Date:
Thu Mar 06 10:00:06 2014 +0000
Revision:
111:ae4891ca7084
Parent:
82:0b31dbcd4769
Child:
363:12a245e5c745
Synchronized with git revision 955bd9a5c9e042f1cf30bbae2a99afaab8eb4cbf



Full URL: https://github.com/mbedmicro/mbed/commit/955bd9a5c9e042f1cf30bbae2a99afaab8eb4cbf/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 31:42176bc3c368 1 /* mbed Microcontroller Library
mbed_official 31:42176bc3c368 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 31:42176bc3c368 3 *
mbed_official 31:42176bc3c368 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 31:42176bc3c368 5 * you may not use this file except in compliance with the License.
mbed_official 31:42176bc3c368 6 * You may obtain a copy of the License at
mbed_official 31:42176bc3c368 7 *
mbed_official 31:42176bc3c368 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 31:42176bc3c368 9 *
mbed_official 31:42176bc3c368 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 31:42176bc3c368 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 31:42176bc3c368 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 31:42176bc3c368 13 * See the License for the specific language governing permissions and
mbed_official 31:42176bc3c368 14 * limitations under the License.
mbed_official 31:42176bc3c368 15 */
mbed_official 31:42176bc3c368 16 #include "port_api.h"
mbed_official 31:42176bc3c368 17 #include "pinmap.h"
mbed_official 31:42176bc3c368 18 #include "gpio_api.h"
mbed_official 31:42176bc3c368 19
mbed_official 31:42176bc3c368 20 PinName port_pin(PortName port, int pin_n) {
mbed_official 31:42176bc3c368 21 return (PinName)((port << PORT_SHIFT) | (pin_n << 2));
mbed_official 31:42176bc3c368 22 }
mbed_official 31:42176bc3c368 23
mbed_official 31:42176bc3c368 24 void port_init(port_t *obj, PortName port, int mask, PinDirection dir) {
mbed_official 31:42176bc3c368 25 obj->port = port;
mbed_official 31:42176bc3c368 26 obj->mask = mask;
mbed_official 31:42176bc3c368 27
mbed_official 31:42176bc3c368 28 FGPIO_Type *reg = (FGPIO_Type *)(FPTA_BASE + port * 0x40);
mbed_official 31:42176bc3c368 29
mbed_official 31:42176bc3c368 30 obj->reg_out = &reg->PDOR;
mbed_official 31:42176bc3c368 31 obj->reg_in = &reg->PDIR;
mbed_official 31:42176bc3c368 32 obj->reg_dir = &reg->PDDR;
mbed_official 31:42176bc3c368 33
mbed_official 31:42176bc3c368 34 uint32_t i;
mbed_official 31:42176bc3c368 35 // The function is set per pin: reuse gpio logic
mbed_official 31:42176bc3c368 36 for (i=0; i<32; i++) {
mbed_official 31:42176bc3c368 37 if (obj->mask & (1<<i)) {
mbed_official 31:42176bc3c368 38 gpio_set(port_pin(obj->port, i));
mbed_official 31:42176bc3c368 39 }
mbed_official 31:42176bc3c368 40 }
mbed_official 31:42176bc3c368 41
mbed_official 31:42176bc3c368 42 port_dir(obj, dir);
mbed_official 31:42176bc3c368 43 }
mbed_official 31:42176bc3c368 44
mbed_official 31:42176bc3c368 45 void port_mode(port_t *obj, PinMode mode) {
mbed_official 31:42176bc3c368 46 uint32_t i;
mbed_official 31:42176bc3c368 47 // The mode is set per pin: reuse pinmap logic
mbed_official 31:42176bc3c368 48 for (i=0; i<32; i++) {
mbed_official 31:42176bc3c368 49 if (obj->mask & (1<<i)) {
mbed_official 31:42176bc3c368 50 pin_mode(port_pin(obj->port, i), mode);
mbed_official 31:42176bc3c368 51 }
mbed_official 31:42176bc3c368 52 }
mbed_official 31:42176bc3c368 53 }
mbed_official 31:42176bc3c368 54
mbed_official 31:42176bc3c368 55 void port_dir(port_t *obj, PinDirection dir) {
mbed_official 31:42176bc3c368 56 switch (dir) {
mbed_official 31:42176bc3c368 57 case PIN_INPUT : *obj->reg_dir &= ~obj->mask; break;
mbed_official 31:42176bc3c368 58 case PIN_OUTPUT: *obj->reg_dir |= obj->mask; break;
mbed_official 31:42176bc3c368 59 }
mbed_official 31:42176bc3c368 60 }
mbed_official 31:42176bc3c368 61
mbed_official 31:42176bc3c368 62 void port_write(port_t *obj, int value) {
mbed_official 31:42176bc3c368 63 *obj->reg_out = (*obj->reg_in & ~obj->mask) | (value & obj->mask);
mbed_official 31:42176bc3c368 64 }
mbed_official 31:42176bc3c368 65
mbed_official 31:42176bc3c368 66 int port_read(port_t *obj) {
mbed_official 31:42176bc3c368 67 return (*obj->reg_in & obj->mask);
mbed_official 31:42176bc3c368 68 }