Mouse code for the MacroRat
mbed-dev/targets/TARGET_NUVOTON/TARGET_NUC472/gpio_api.c
- Committer:
- sahilmgandhi
- Date:
- 2017-05-14
- Revision:
- 18:6a4db94011d3
File content as of revision 18:6a4db94011d3:
/* mbed Microcontroller Library * Copyright (c) 2015-2016 Nuvoton * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "gpio_api.h" #include "mbed_assert.h" #include "pinmap.h" #include "mbed_error.h" #include "PeripheralPins.h" uint32_t gpio_set(PinName pin) { if (pin == (PinName) NC) { return 0; } uint32_t pin_index = NU_PINNAME_TO_PIN(pin); #if 1 pin_function(pin, 0 << NU_MFP_POS(pin_index)); #else pinmap_pinout(pin, PinMap_GPIO); #endif return (uint32_t)(1 << pin_index); // Return the pin mask } void gpio_init(gpio_t *obj, PinName pin) { obj->pin = pin; if (obj->pin == (PinName) NC) { return; } obj->mask = gpio_set(pin); } void gpio_mode(gpio_t *obj, PinMode mode) { if (obj->pin == (PinName) NC) { return; } pin_mode(obj->pin, mode); } void gpio_dir(gpio_t *obj, PinDirection direction) { if (obj->pin == (PinName) NC) { return; } uint32_t pin_index = NU_PINNAME_TO_PIN(obj->pin); uint32_t port_index = NU_PINNAME_TO_PORT(obj->pin); GPIO_T *gpio_base = NU_PORT_BASE(port_index); uint32_t mode_intern = GPIO_MODE_INPUT; switch (direction) { case PIN_INPUT: mode_intern = GPIO_MODE_INPUT; break; case PIN_OUTPUT: mode_intern = GPIO_MODE_OUTPUT; break; default: return; } GPIO_SetMode(gpio_base, 1 << pin_index, mode_intern); }