shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/port_api.c@270:e2babe29baf8, 2014-08-01 (annotated)

Committer:
mbed_official
Date:
Fri Aug 01 14:45:06 2014 +0100
Revision:
270:e2babe29baf8
Parent:
targets/hal/TARGET_NORDIC/TARGET_NRF51822/port_api.c@104:a6a92e2e5a92
Child:
300:55638feb26a4
Synchronized with git revision 988c22d5984ba5565d9e83305cc1eb6431a683ee



Full URL: https://github.com/mbedmicro/mbed/commit/988c22d5984ba5565d9e83305cc1eb6431a683ee/



Fixed L6235E link error for NRF51822 variants

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 85:e1a8e879a6a9 20 PinName port_pin(PortName port, int pin_n) {
mbed_official 85:e1a8e879a6a9 21 return (PinName)(pin_n);
mbed_official 85:e1a8e879a6a9 22 }
mbed_official 85:e1a8e879a6a9 23
mbed_official 85:e1a8e879a6a9 24 void port_init(port_t *obj, PortName port, int mask, PinDirection dir) {
mbed_official 85:e1a8e879a6a9 25 obj->port = port;
mbed_official 85:e1a8e879a6a9 26 obj->mask = mask;
mbed_official 85:e1a8e879a6a9 27
mbed_official 85:e1a8e879a6a9 28 obj->reg_out = &NRF_GPIO->OUT;
mbed_official 85:e1a8e879a6a9 29 obj->reg_in = &NRF_GPIO->IN;
mbed_official 85:e1a8e879a6a9 30 obj->reg_cnf = NRF_GPIO->PIN_CNF;
mbed_official 85:e1a8e879a6a9 31
mbed_official 85:e1a8e879a6a9 32 port_dir(obj, dir);
mbed_official 85:e1a8e879a6a9 33 }
mbed_official 85:e1a8e879a6a9 34
mbed_official 85:e1a8e879a6a9 35 void port_mode(port_t *obj, PinMode mode) {
mbed_official 85:e1a8e879a6a9 36 uint32_t i;
mbed_official 85:e1a8e879a6a9 37 // The mode is set per pin: reuse pinmap logic
mbed_official 85:e1a8e879a6a9 38 for (i=0; i<31; i++) {
mbed_official 85:e1a8e879a6a9 39 if (obj->mask & (1<<i)) {
mbed_official 85:e1a8e879a6a9 40 pin_mode(port_pin(obj->port, i), mode);
mbed_official 85:e1a8e879a6a9 41 }
mbed_official 85:e1a8e879a6a9 42 }
mbed_official 85:e1a8e879a6a9 43 }
mbed_official 85:e1a8e879a6a9 44
mbed_official 85:e1a8e879a6a9 45 void port_dir(port_t *obj, PinDirection dir) {
mbed_official 85:e1a8e879a6a9 46 int i;
mbed_official 85:e1a8e879a6a9 47 switch (dir) {
mbed_official 85:e1a8e879a6a9 48 case PIN_INPUT :
mbed_official 85:e1a8e879a6a9 49 for (i=0; i<31; i++) {
mbed_official 85:e1a8e879a6a9 50 if (obj->mask & (1<<i)) {
mbed_official 85:e1a8e879a6a9 51 obj->reg_cnf[i] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
mbed_official 85:e1a8e879a6a9 52 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
mbed_official 85:e1a8e879a6a9 53 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
mbed_official 85:e1a8e879a6a9 54 | (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
mbed_official 85:e1a8e879a6a9 55 }
mbed_official 85:e1a8e879a6a9 56 }
mbed_official 85:e1a8e879a6a9 57 break;
mbed_official 85:e1a8e879a6a9 58 case PIN_OUTPUT:
mbed_official 85:e1a8e879a6a9 59 for (i=0; i<31; i++) {
mbed_official 85:e1a8e879a6a9 60 if (obj->mask & (1<<i)) {
mbed_official 85:e1a8e879a6a9 61 obj->reg_cnf[i] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
mbed_official 85:e1a8e879a6a9 62 | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
mbed_official 85:e1a8e879a6a9 63 | (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
mbed_official 85:e1a8e879a6a9 64 | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
mbed_official 85:e1a8e879a6a9 65 | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
mbed_official 85:e1a8e879a6a9 66 }
mbed_official 85:e1a8e879a6a9 67 }
mbed_official 85:e1a8e879a6a9 68 break;
mbed_official 85:e1a8e879a6a9 69 }
mbed_official 85:e1a8e879a6a9 70 }
mbed_official 85:e1a8e879a6a9 71
mbed_official 85:e1a8e879a6a9 72 void port_write(port_t *obj, int value) {
mbed_official 85:e1a8e879a6a9 73 *obj->reg_out = value;
mbed_official 85:e1a8e879a6a9 74 }
mbed_official 85:e1a8e879a6a9 75
mbed_official 85:e1a8e879a6a9 76 int port_read(port_t *obj) {
mbed_official 85:e1a8e879a6a9 77 return (*obj->reg_in);
mbed_official 85:e1a8e879a6a9 78 }