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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_KPSDK_MCUS/TARGET_K64F/port_api.c@149:1fb5f62b92bd, 2014-04-03 (annotated)

Committer:
mbed_official
Date:
Thu Apr 03 11:45:06 2014 +0100
Revision:
149:1fb5f62b92bd
Parent:
targets/hal/TARGET_Freescale/TARGET_KSDK_MCUS/TARGET_K64F/port_api.c@146:f64d43ff0c18
Child:
150:49699a7d7064
Synchronized with git revision 220c0bb39ceee40016e1e86350c058963d01ed42



Full URL: https://github.com/mbedmicro/mbed/commit/220c0bb39ceee40016e1e86350c058963d01ed42/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 146:f64d43ff0c18 1 /* mbed Microcontroller Library
mbed_official 146:f64d43ff0c18 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 146:f64d43ff0c18 3 *
mbed_official 146:f64d43ff0c18 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 146:f64d43ff0c18 5 * you may not use this file except in compliance with the License.
mbed_official 146:f64d43ff0c18 6 * You may obtain a copy of the License at
mbed_official 146:f64d43ff0c18 7 *
mbed_official 146:f64d43ff0c18 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 146:f64d43ff0c18 9 *
mbed_official 146:f64d43ff0c18 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 146:f64d43ff0c18 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 146:f64d43ff0c18 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 146:f64d43ff0c18 13 * See the License for the specific language governing permissions and
mbed_official 146:f64d43ff0c18 14 * limitations under the License.
mbed_official 146:f64d43ff0c18 15 */
mbed_official 146:f64d43ff0c18 16 #include "port_api.h"
mbed_official 146:f64d43ff0c18 17 #include "pinmap.h"
mbed_official 146:f64d43ff0c18 18 #include "gpio_api.h"
mbed_official 146:f64d43ff0c18 19
mbed_official 146:f64d43ff0c18 20 PinName port_pin(PortName port, int pin_n) {
mbed_official 146:f64d43ff0c18 21 return (PinName)((port << GPIO_PORT_SHIFT) | pin_n);
mbed_official 146:f64d43ff0c18 22 }
mbed_official 146:f64d43ff0c18 23
mbed_official 146:f64d43ff0c18 24 void port_init(port_t *obj, PortName port, int mask, PinDirection dir) {
mbed_official 146:f64d43ff0c18 25 obj->port = port;
mbed_official 146:f64d43ff0c18 26 obj->mask = mask;
mbed_official 146:f64d43ff0c18 27
mbed_official 146:f64d43ff0c18 28 // The function is set per pin: reuse gpio logic
mbed_official 146:f64d43ff0c18 29 for (uint32_t i = 0; i < 32; i++) {
mbed_official 146:f64d43ff0c18 30 if (obj->mask & (1 << i)) {
mbed_official 146:f64d43ff0c18 31 gpio_set(port_pin(obj->port, i));
mbed_official 146:f64d43ff0c18 32 }
mbed_official 146:f64d43ff0c18 33 }
mbed_official 146:f64d43ff0c18 34
mbed_official 146:f64d43ff0c18 35 port_dir(obj, dir);
mbed_official 146:f64d43ff0c18 36 }
mbed_official 146:f64d43ff0c18 37
mbed_official 146:f64d43ff0c18 38 void port_mode(port_t *obj, PinMode mode) {
mbed_official 146:f64d43ff0c18 39
mbed_official 146:f64d43ff0c18 40 // The mode is set per pin: reuse pinmap logic
mbed_official 146:f64d43ff0c18 41 for (uint32_t i = 0; i < 32; i++) {
mbed_official 146:f64d43ff0c18 42 if (obj->mask & (1 << i)) {
mbed_official 146:f64d43ff0c18 43 pin_mode(port_pin(obj->port, i), mode);
mbed_official 146:f64d43ff0c18 44 }
mbed_official 146:f64d43ff0c18 45 }
mbed_official 146:f64d43ff0c18 46 }
mbed_official 146:f64d43ff0c18 47
mbed_official 146:f64d43ff0c18 48 void port_dir(port_t *obj, PinDirection dir) {
mbed_official 146:f64d43ff0c18 49 switch (dir) {
mbed_official 146:f64d43ff0c18 50 case PIN_INPUT :
mbed_official 146:f64d43ff0c18 51 gpio_hal_set_port_direction((uint32_t)obj->port, kGpioDigitalInput);
mbed_official 146:f64d43ff0c18 52 break;
mbed_official 146:f64d43ff0c18 53 case PIN_OUTPUT:
mbed_official 146:f64d43ff0c18 54 gpio_hal_set_port_direction((uint32_t)obj->port, kGpioDigitalOutput);
mbed_official 146:f64d43ff0c18 55 break;
mbed_official 146:f64d43ff0c18 56 }
mbed_official 146:f64d43ff0c18 57 }
mbed_official 146:f64d43ff0c18 58
mbed_official 146:f64d43ff0c18 59 void port_write(port_t *obj, int value) {
mbed_official 146:f64d43ff0c18 60 gpio_hal_write_port_output((uint32_t)obj->port, (uint32_t)(value & obj->mask));
mbed_official 146:f64d43ff0c18 61 }
mbed_official 146:f64d43ff0c18 62
mbed_official 146:f64d43ff0c18 63 int port_read(port_t *obj) {
mbed_official 146:f64d43ff0c18 64 return (int)(gpio_hal_read_port_input((uint32_t)obj->port) & obj->mask);
mbed_official 146:f64d43ff0c18 65 }