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_NUVOTON/TARGET_M451/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) 2015-2016 Nuvoton
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
group-onsemi 0:098463de4c5d 17 #include "gpio_api.h"
group-onsemi 0:098463de4c5d 18 #include "mbed_assert.h"
group-onsemi 0:098463de4c5d 19 #include "pinmap.h"
group-onsemi 0:098463de4c5d 20 #include "mbed_error.h"
group-onsemi 0:098463de4c5d 21 #include "PeripheralPins.h"
group-onsemi 0:098463de4c5d 22
group-onsemi 0:098463de4c5d 23 uint32_t gpio_set(PinName pin)
group-onsemi 0:098463de4c5d 24 {
group-onsemi 0:098463de4c5d 25 if (pin == (PinName) NC) {
group-onsemi 0:098463de4c5d 26 return 0;
group-onsemi 0:098463de4c5d 27 }
group-onsemi 0:098463de4c5d 28
group-onsemi 0:098463de4c5d 29 uint32_t pin_index = NU_PINNAME_TO_PIN(pin);
group-onsemi 0:098463de4c5d 30
group-onsemi 0:098463de4c5d 31 #if 1
group-onsemi 0:098463de4c5d 32 pin_function(pin, 0 << NU_MFP_POS(pin_index));
group-onsemi 0:098463de4c5d 33 #else
group-onsemi 0:098463de4c5d 34 pinmap_pinout(pin, PinMap_GPIO);
group-onsemi 0:098463de4c5d 35 #endif
group-onsemi 0:098463de4c5d 36
group-onsemi 0:098463de4c5d 37 return (uint32_t)(1 << pin_index); // Return the pin mask
group-onsemi 0:098463de4c5d 38 }
group-onsemi 0:098463de4c5d 39
group-onsemi 0:098463de4c5d 40 void gpio_init(gpio_t *obj, PinName pin)
group-onsemi 0:098463de4c5d 41 {
group-onsemi 0:098463de4c5d 42 obj->pin = pin;
group-onsemi 0:098463de4c5d 43
group-onsemi 0:098463de4c5d 44 if (obj->pin == (PinName) NC) {
group-onsemi 0:098463de4c5d 45 return;
group-onsemi 0:098463de4c5d 46 }
group-onsemi 0:098463de4c5d 47
group-onsemi 0:098463de4c5d 48 obj->mask = gpio_set(pin);
group-onsemi 0:098463de4c5d 49 }
group-onsemi 0:098463de4c5d 50
group-onsemi 0:098463de4c5d 51 void gpio_mode(gpio_t *obj, PinMode mode)
group-onsemi 0:098463de4c5d 52 {
group-onsemi 0:098463de4c5d 53 if (obj->pin == (PinName) NC) {
group-onsemi 0:098463de4c5d 54 return;
group-onsemi 0:098463de4c5d 55 }
group-onsemi 0:098463de4c5d 56
group-onsemi 0:098463de4c5d 57 pin_mode(obj->pin, mode);
group-onsemi 0:098463de4c5d 58 }
group-onsemi 0:098463de4c5d 59
group-onsemi 0:098463de4c5d 60 void gpio_dir(gpio_t *obj, PinDirection direction)
group-onsemi 0:098463de4c5d 61 {
group-onsemi 0:098463de4c5d 62 if (obj->pin == (PinName) NC) {
group-onsemi 0:098463de4c5d 63 return;
group-onsemi 0:098463de4c5d 64 }
group-onsemi 0:098463de4c5d 65
group-onsemi 0:098463de4c5d 66 uint32_t pin_index = NU_PINNAME_TO_PIN(obj->pin);
group-onsemi 0:098463de4c5d 67 uint32_t port_index = NU_PINNAME_TO_PORT(obj->pin);
group-onsemi 0:098463de4c5d 68 GPIO_T *gpio_base = NU_PORT_BASE(port_index);
group-onsemi 0:098463de4c5d 69
group-onsemi 0:098463de4c5d 70 uint32_t mode_intern = GPIO_MODE_INPUT;
group-onsemi 0:098463de4c5d 71
group-onsemi 0:098463de4c5d 72 switch (direction) {
group-onsemi 0:098463de4c5d 73 case PIN_INPUT:
group-onsemi 0:098463de4c5d 74 mode_intern = GPIO_MODE_INPUT;
group-onsemi 0:098463de4c5d 75 break;
group-onsemi 0:098463de4c5d 76
group-onsemi 0:098463de4c5d 77 case PIN_OUTPUT:
group-onsemi 0:098463de4c5d 78 mode_intern = GPIO_MODE_OUTPUT;
group-onsemi 0:098463de4c5d 79 break;
group-onsemi 0:098463de4c5d 80
group-onsemi 0:098463de4c5d 81 default:
group-onsemi 0:098463de4c5d 82 return;
group-onsemi 0:098463de4c5d 83 }
group-onsemi 0:098463de4c5d 84
group-onsemi 0:098463de4c5d 85 GPIO_SetMode(gpio_base, 1 << pin_index, mode_intern);
group-onsemi 0:098463de4c5d 86 }