helpfor studient
Dependents: STM32_F103-C8T6basecanblink_led
Fork of mbed-dev by
Diff: targets/TARGET_NUVOTON/TARGET_M480/gpio_object.h
- Revision:
- 172:7d866c31b3c5
diff -r 89b338f31ef1 -r 7d866c31b3c5 targets/TARGET_NUVOTON/TARGET_M480/gpio_object.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/TARGET_NUVOTON/TARGET_M480/gpio_object.h Thu Aug 31 17:27:04 2017 +0100 @@ -0,0 +1,57 @@ +/* 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. + */ + +#ifndef MBED_GPIO_OBJECT_H +#define MBED_GPIO_OBJECT_H + +#include "mbed_assert.h" +#include "cmsis.h" +#include "PortNames.h" +#include "PeripheralNames.h" +#include "PinNames.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + PinName pin; + uint32_t mask; +} gpio_t; + +static inline void gpio_write(gpio_t *obj, int value) +{ + MBED_ASSERT(obj->pin != (PinName)NC); + uint32_t pin_index = NU_PINNAME_TO_PIN(obj->pin); + uint32_t port_index = NU_PINNAME_TO_PORT(obj->pin); + + GPIO_PIN_DATA(port_index, pin_index) = value ? 1 : 0; +} + +static inline int gpio_read(gpio_t *obj) +{ + MBED_ASSERT(obj->pin != (PinName)NC); + uint32_t pin_index = NU_PINNAME_TO_PIN(obj->pin); + uint32_t port_index = NU_PINNAME_TO_PORT(obj->pin); + + return (GPIO_PIN_DATA(port_index, pin_index) ? 1 : 0); +} + +#ifdef __cplusplus +} +#endif + +#endif