mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_NUVOTON/TARGET_NANO100/port_api.c@174:b96e65c34a4d, 2017-10-02 (annotated)

Committer:
AnnaBridge
Date:
Mon Oct 02 15:33:19 2017 +0100
Revision:
174:b96e65c34a4d
This updates the lib to the mbed lib v 152

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 174:b96e65c34a4d 1 /* mbed Microcontroller Library
AnnaBridge 174:b96e65c34a4d 2 * Copyright (c) 2015-2017 Nuvoton
AnnaBridge 174:b96e65c34a4d 3 *
AnnaBridge 174:b96e65c34a4d 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 174:b96e65c34a4d 5 * you may not use this file except in compliance with the License.
AnnaBridge 174:b96e65c34a4d 6 * You may obtain a copy of the License at
AnnaBridge 174:b96e65c34a4d 7 *
AnnaBridge 174:b96e65c34a4d 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 174:b96e65c34a4d 9 *
AnnaBridge 174:b96e65c34a4d 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 174:b96e65c34a4d 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 174:b96e65c34a4d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 174:b96e65c34a4d 13 * See the License for the specific language governing permissions and
AnnaBridge 174:b96e65c34a4d 14 * limitations under the License.
AnnaBridge 174:b96e65c34a4d 15 */
AnnaBridge 174:b96e65c34a4d 16
AnnaBridge 174:b96e65c34a4d 17 #include "port_api.h"
AnnaBridge 174:b96e65c34a4d 18 #include "gpio_api.h"
AnnaBridge 174:b96e65c34a4d 19 #include "pinmap.h"
AnnaBridge 174:b96e65c34a4d 20 #include "mbed_error.h"
AnnaBridge 174:b96e65c34a4d 21
AnnaBridge 174:b96e65c34a4d 22 #if DEVICE_PORTIN || DEVICE_PORTOUT || DEVICE_PORTINOUT
AnnaBridge 174:b96e65c34a4d 23
AnnaBridge 174:b96e65c34a4d 24 PinName port_pin(PortName port, int pin_n)
AnnaBridge 174:b96e65c34a4d 25 {
AnnaBridge 174:b96e65c34a4d 26 return (PinName) NU_PORT_N_PIN_TO_PINNAME(port, pin_n);
AnnaBridge 174:b96e65c34a4d 27 }
AnnaBridge 174:b96e65c34a4d 28
AnnaBridge 174:b96e65c34a4d 29 void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
AnnaBridge 174:b96e65c34a4d 30 {
AnnaBridge 174:b96e65c34a4d 31 obj->port = port;
AnnaBridge 174:b96e65c34a4d 32 obj->mask = mask;
AnnaBridge 174:b96e65c34a4d 33 obj->direction = dir;
AnnaBridge 174:b96e65c34a4d 34
AnnaBridge 174:b96e65c34a4d 35 uint32_t i;
AnnaBridge 174:b96e65c34a4d 36 obj->direction = dir;
AnnaBridge 174:b96e65c34a4d 37 for (i = 0; i < GPIO_PIN_MAX; i++) {
AnnaBridge 174:b96e65c34a4d 38 if (obj->mask & (1 << i)) {
AnnaBridge 174:b96e65c34a4d 39 gpio_set(port_pin(port, i));
AnnaBridge 174:b96e65c34a4d 40 }
AnnaBridge 174:b96e65c34a4d 41 }
AnnaBridge 174:b96e65c34a4d 42
AnnaBridge 174:b96e65c34a4d 43 port_dir(obj, dir);
AnnaBridge 174:b96e65c34a4d 44 }
AnnaBridge 174:b96e65c34a4d 45
AnnaBridge 174:b96e65c34a4d 46 void port_dir(port_t *obj, PinDirection dir)
AnnaBridge 174:b96e65c34a4d 47 {
AnnaBridge 174:b96e65c34a4d 48 uint32_t i;
AnnaBridge 174:b96e65c34a4d 49 obj->direction = dir;
AnnaBridge 174:b96e65c34a4d 50 for (i = 0; i < GPIO_PIN_MAX; i++) {
AnnaBridge 174:b96e65c34a4d 51 if (obj->mask & (1 << i)) {
AnnaBridge 174:b96e65c34a4d 52 if (dir == PIN_OUTPUT) {
AnnaBridge 174:b96e65c34a4d 53 GPIO_SetMode(NU_PORT_BASE(obj->port), 1 << i, GPIO_PMD_OUTPUT);
AnnaBridge 174:b96e65c34a4d 54 } else { // PIN_INPUT
AnnaBridge 174:b96e65c34a4d 55 GPIO_SetMode(NU_PORT_BASE(obj->port), 1 << i, GPIO_PMD_INPUT);
AnnaBridge 174:b96e65c34a4d 56 }
AnnaBridge 174:b96e65c34a4d 57 }
AnnaBridge 174:b96e65c34a4d 58 }
AnnaBridge 174:b96e65c34a4d 59 }
AnnaBridge 174:b96e65c34a4d 60
AnnaBridge 174:b96e65c34a4d 61 void port_mode(port_t *obj, PinMode mode)
AnnaBridge 174:b96e65c34a4d 62 {
AnnaBridge 174:b96e65c34a4d 63 uint32_t i;
AnnaBridge 174:b96e65c34a4d 64
AnnaBridge 174:b96e65c34a4d 65 for (i = 0; i < GPIO_PIN_MAX; i++) {
AnnaBridge 174:b96e65c34a4d 66 if (obj->mask & (1 << i)) {
AnnaBridge 174:b96e65c34a4d 67 pin_mode(port_pin(obj->port, i), mode);
AnnaBridge 174:b96e65c34a4d 68 }
AnnaBridge 174:b96e65c34a4d 69 }
AnnaBridge 174:b96e65c34a4d 70 }
AnnaBridge 174:b96e65c34a4d 71
AnnaBridge 174:b96e65c34a4d 72 void port_write(port_t *obj, int value)
AnnaBridge 174:b96e65c34a4d 73 {
AnnaBridge 174:b96e65c34a4d 74 uint32_t i;
AnnaBridge 174:b96e65c34a4d 75 uint32_t port_index = obj->port;
AnnaBridge 174:b96e65c34a4d 76
AnnaBridge 174:b96e65c34a4d 77 for (i = 0; i < GPIO_PIN_MAX; i++) {
AnnaBridge 174:b96e65c34a4d 78 if (obj->mask & (1 << i)) {
AnnaBridge 174:b96e65c34a4d 79 GPIO_PIN_ADDR(port_index, i) = (value & obj->mask) ? 1 : 0;
AnnaBridge 174:b96e65c34a4d 80 }
AnnaBridge 174:b96e65c34a4d 81 }
AnnaBridge 174:b96e65c34a4d 82 }
AnnaBridge 174:b96e65c34a4d 83
AnnaBridge 174:b96e65c34a4d 84 int port_read(port_t *obj)
AnnaBridge 174:b96e65c34a4d 85 {
AnnaBridge 174:b96e65c34a4d 86 uint32_t i;
AnnaBridge 174:b96e65c34a4d 87 uint32_t port_index = obj->port;
AnnaBridge 174:b96e65c34a4d 88 int value = 0;
AnnaBridge 174:b96e65c34a4d 89
AnnaBridge 174:b96e65c34a4d 90 for (i = 0; i < GPIO_PIN_MAX; i++) {
AnnaBridge 174:b96e65c34a4d 91 if (obj->mask & (1 << i)) {
AnnaBridge 174:b96e65c34a4d 92 value = value | (GPIO_PIN_ADDR(port_index, i) << i);
AnnaBridge 174:b96e65c34a4d 93 }
AnnaBridge 174:b96e65c34a4d 94 }
AnnaBridge 174:b96e65c34a4d 95
AnnaBridge 174:b96e65c34a4d 96 return value;
AnnaBridge 174:b96e65c34a4d 97 }
AnnaBridge 174:b96e65c34a4d 98
AnnaBridge 174:b96e65c34a4d 99 #endif