ON Semiconductor / mbed-os

5.2.1 - Updated I2C files

Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

targets/TARGET_NXP/TARGET_LPC11UXX/gpio_api.c@0:098463de4c5d, 2017-01-25 (annotated)

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 /* mbed Microcontroller Library
group-onsemi 0:098463de4c5d 2 * Copyright (c) 2006-2013 ARM Limited
group-onsemi 0:098463de4c5d 3 *
group-onsemi 0:098463de4c5d 4 * Licensed under the Apache License, Version 2.0 (the "License");
group-onsemi 0:098463de4c5d 5 * you may not use this file except in compliance with the License.
group-onsemi 0:098463de4c5d 6 * You may obtain a copy of the License at
group-onsemi 0:098463de4c5d 7 *
group-onsemi 0:098463de4c5d 8 * http://www.apache.org/licenses/LICENSE-2.0
group-onsemi 0:098463de4c5d 9 *
group-onsemi 0:098463de4c5d 10 * Unless required by applicable law or agreed to in writing, software
group-onsemi 0:098463de4c5d 11 * distributed under the License is distributed on an "AS IS" BASIS,
group-onsemi 0:098463de4c5d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
group-onsemi 0:098463de4c5d 13 * See the License for the specific language governing permissions and
group-onsemi 0:098463de4c5d 14 * limitations under the License.
group-onsemi 0:098463de4c5d 15 */
group-onsemi 0:098463de4c5d 16 #include "mbed_assert.h"
group-onsemi 0:098463de4c5d 17 #include "gpio_api.h"
group-onsemi 0:098463de4c5d 18 #include "pinmap.h"
group-onsemi 0:098463de4c5d 19
group-onsemi 0:098463de4c5d 20 uint32_t gpio_set(PinName pin) {
group-onsemi 0:098463de4c5d 21 MBED_ASSERT(pin != (PinName)NC);
group-onsemi 0:098463de4c5d 22 int f = ((pin == P0_0) ||
group-onsemi 0:098463de4c5d 23 (pin == P0_10) ||
group-onsemi 0:098463de4c5d 24 (pin == P0_11) ||
group-onsemi 0:098463de4c5d 25 (pin == P0_12) ||
group-onsemi 0:098463de4c5d 26 (pin == P0_13) ||
group-onsemi 0:098463de4c5d 27 (pin == P0_14) ||
group-onsemi 0:098463de4c5d 28 (pin == P0_15)) ? (1) : (0);
group-onsemi 0:098463de4c5d 29
group-onsemi 0:098463de4c5d 30 pin_function(pin, f);
group-onsemi 0:098463de4c5d 31
group-onsemi 0:098463de4c5d 32 return (1 << ((int)pin & 0x1F));
group-onsemi 0:098463de4c5d 33 }
group-onsemi 0:098463de4c5d 34
group-onsemi 0:098463de4c5d 35 void gpio_init(gpio_t *obj, PinName pin) {
group-onsemi 0:098463de4c5d 36 obj->pin = pin;
group-onsemi 0:098463de4c5d 37 if (pin == (PinName)NC)
group-onsemi 0:098463de4c5d 38 return;
group-onsemi 0:098463de4c5d 39
group-onsemi 0:098463de4c5d 40 obj->mask = gpio_set(pin);
group-onsemi 0:098463de4c5d 41
group-onsemi 0:098463de4c5d 42 unsigned int port = (unsigned int)pin >> PORT_SHIFT;
group-onsemi 0:098463de4c5d 43
group-onsemi 0:098463de4c5d 44 obj->reg_set = &LPC_GPIO->SET[port];
group-onsemi 0:098463de4c5d 45 obj->reg_clr = &LPC_GPIO->CLR[port];
group-onsemi 0:098463de4c5d 46 obj->reg_in = &LPC_GPIO->PIN[port];
group-onsemi 0:098463de4c5d 47 obj->reg_dir = &LPC_GPIO->DIR[port];
group-onsemi 0:098463de4c5d 48 }
group-onsemi 0:098463de4c5d 49
group-onsemi 0:098463de4c5d 50 void gpio_mode(gpio_t *obj, PinMode mode) {
group-onsemi 0:098463de4c5d 51 pin_mode(obj->pin, mode);
group-onsemi 0:098463de4c5d 52 }
group-onsemi 0:098463de4c5d 53
group-onsemi 0:098463de4c5d 54 void gpio_dir(gpio_t *obj, PinDirection direction) {
group-onsemi 0:098463de4c5d 55 MBED_ASSERT(obj->pin != (PinName)NC);
group-onsemi 0:098463de4c5d 56 switch (direction) {
group-onsemi 0:098463de4c5d 57 case PIN_INPUT :
group-onsemi 0:098463de4c5d 58 *obj->reg_dir &= ~obj->mask;
group-onsemi 0:098463de4c5d 59 break;
group-onsemi 0:098463de4c5d 60 case PIN_OUTPUT:
group-onsemi 0:098463de4c5d 61 *obj->reg_dir |= obj->mask;
group-onsemi 0:098463de4c5d 62 break;
group-onsemi 0:098463de4c5d 63 }
group-onsemi 0:098463de4c5d 64 }