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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_NORDIC/TARGET_MCU_NRF51822/port_api.c@395:bfce16e86ea4, 2014-11-10 (annotated)

Committer:
mbed_official
Date:
Mon Nov 10 07:45:06 2014 +0000
Revision:
395:bfce16e86ea4
Parent:
300:55638feb26a4 
Synchronized with git revision 8adfd82aa1bf8859ec08537ee7bcd4aaaec1769b



Full URL: https://github.com/mbedmicro/mbed/commit/8adfd82aa1bf8859ec08537ee7bcd4aaaec1769b/



Targets: LPC176X - Add repeater pinmode

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 85:e1a8e879a6a9 1 /* mbed Microcontroller Library
mbed_official 104:a6a92e2e5a92 2 * Copyright (c) 2013 Nordic Semiconductor
mbed_official 85:e1a8e879a6a9 3 *
mbed_official 85:e1a8e879a6a9 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 85:e1a8e879a6a9 5 * you may not use this file except in compliance with the License.
mbed_official 85:e1a8e879a6a9 6 * You may obtain a copy of the License at
mbed_official 85:e1a8e879a6a9 7 *
mbed_official 85:e1a8e879a6a9 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 85:e1a8e879a6a9 9 *
mbed_official 85:e1a8e879a6a9 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 85:e1a8e879a6a9 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 85:e1a8e879a6a9 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 85:e1a8e879a6a9 13 * See the License for the specific language governing permissions and
mbed_official 85:e1a8e879a6a9 14 * limitations under the License.
mbed_official 85:e1a8e879a6a9 15 */
mbed_official 85:e1a8e879a6a9 16 #include "port_api.h"
mbed_official 85:e1a8e879a6a9 17 #include "pinmap.h"
mbed_official 85:e1a8e879a6a9 18 #include "gpio_api.h"
mbed_official 85:e1a8e879a6a9 19
mbed_official 300:55638feb26a4 20 PinName port_pin(PortName port, int pin_n)
mbed_official 300:55638feb26a4 21 {
mbed_official 85:e1a8e879a6a9 22 return (PinName)(pin_n);
mbed_official 85:e1a8e879a6a9 23 }
mbed_official 85:e1a8e879a6a9 24
mbed_official 300:55638feb26a4 25 void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
mbed_official 300:55638feb26a4 26 {
mbed_official 85:e1a8e879a6a9 27 obj->port = port;
mbed_official 300:55638feb26a4 28 obj->mask = mask;
mbed_official 300:55638feb26a4 29
mbed_official 85:e1a8e879a6a9 30 obj->reg_out = &NRF_GPIO->OUT;
mbed_official 85:e1a8e879a6a9 31 obj->reg_in = &NRF_GPIO->IN;
mbed_official 85:e1a8e879a6a9 32 obj->reg_cnf = NRF_GPIO->PIN_CNF;
mbed_official 300:55638feb26a4 33
mbed_official 85:e1a8e879a6a9 34 port_dir(obj, dir);
mbed_official 85:e1a8e879a6a9 35 }
mbed_official 85:e1a8e879a6a9 36
mbed_official 300:55638feb26a4 37 void port_mode(port_t *obj, PinMode mode)
mbed_official 300:55638feb26a4 38 {
mbed_official 85:e1a8e879a6a9 39 uint32_t i;
mbed_official 85:e1a8e879a6a9 40 // The mode is set per pin: reuse pinmap logic
mbed_official 300:55638feb26a4 41 for (i = 0; i<31; i++) {
mbed_official 300:55638feb26a4 42 if (obj->mask & (1 << i)) {
mbed_official 85:e1a8e879a6a9 43 pin_mode(port_pin(obj->port, i), mode);
mbed_official 85:e1a8e879a6a9 44 }
mbed_official 85:e1a8e879a6a9 45 }
mbed_official 85:e1a8e879a6a9 46 }
mbed_official 85:e1a8e879a6a9 47
mbed_official 300:55638feb26a4 48 void port_dir(port_t *obj, PinDirection dir)
mbed_official 300:55638feb26a4 49 {
mbed_official 85:e1a8e879a6a9 50 int i;
mbed_official 85:e1a8e879a6a9 51 switch (dir) {
mbed_official 300:55638feb26a4 52 case PIN_INPUT:
mbed_official 300:55638feb26a4 53 for (i = 0; i<31; i++) {
mbed_official 300:55638feb26a4 54 if (obj->mask & (1 << i)) {
mbed_official 85:e1a8e879a6a9 55 obj->reg_cnf[i] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
mbed_official 85:e1a8e879a6a9 56 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
mbed_official 85:e1a8e879a6a9 57 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
mbed_official 85:e1a8e879a6a9 58 | (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
mbed_official 85:e1a8e879a6a9 59 }
mbed_official 85:e1a8e879a6a9 60 }
mbed_official 85:e1a8e879a6a9 61 break;
mbed_official 300:55638feb26a4 62 case PIN_OUTPUT:
mbed_official 300:55638feb26a4 63 for (i = 0; i<31; i++) {
mbed_official 300:55638feb26a4 64 if (obj->mask & (1 << i)) {
mbed_official 85:e1a8e879a6a9 65 obj->reg_cnf[i] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
mbed_official 85:e1a8e879a6a9 66 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
mbed_official 85:e1a8e879a6a9 67 | (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
mbed_official 85:e1a8e879a6a9 68 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
mbed_official 85:e1a8e879a6a9 69 | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
mbed_official 85:e1a8e879a6a9 70 }
mbed_official 85:e1a8e879a6a9 71 }
mbed_official 85:e1a8e879a6a9 72 break;
mbed_official 85:e1a8e879a6a9 73 }
mbed_official 85:e1a8e879a6a9 74 }
mbed_official 85:e1a8e879a6a9 75
mbed_official 300:55638feb26a4 76 void port_write(port_t *obj, int value)
mbed_official 300:55638feb26a4 77 {
mbed_official 85:e1a8e879a6a9 78 *obj->reg_out = value;
mbed_official 85:e1a8e879a6a9 79 }
mbed_official 85:e1a8e879a6a9 80
mbed_official 300:55638feb26a4 81 int port_read(port_t *obj)
mbed_official 300:55638feb26a4 82 {
mbed_official 85:e1a8e879a6a9 83 return (*obj->reg_in);
mbed_official 85:e1a8e879a6a9 84 }