Mouse code for the MacroRat
Diff: mbed-dev/targets/TARGET_ARM_SSG/TARGET_BEETLE/gpio_object.h
- Revision:
- 18:6a4db94011d3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-dev/targets/TARGET_ARM_SSG/TARGET_BEETLE/gpio_object.h Sun May 14 23:18:57 2017 +0000 @@ -0,0 +1,65 @@ +/* mbed Microcontroller Library + * Copyright (c) 2015 ARM Limited + * + * 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 "cmsis.h" +#include "PortNames.h" +#include "PeripheralNames.h" +#include "PinNames.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + PinName pin; + uint32_t mask; + uint32_t pin_number; + + __IO uint32_t *reg_dir; + __IO uint32_t *reg_dirclr; + __IO uint32_t *reg_data; + __I uint32_t *reg_in; +} gpio_t; + +static inline void gpio_write(gpio_t *obj, int value) { + if (obj->pin < LED1 || obj->pin > LED4) { + if (value == 1) { + *obj->reg_data |= (obj->mask); + } else if (value == 0){ + *obj->reg_data &= ~(obj->mask); + } + } else { + /* Emulated LEDs return without taking any action */ + return; + } +} + +static inline int gpio_read(gpio_t *obj) { + if (obj->pin < LED1 || obj->pin > LED4) { + return ((*obj->reg_in & obj->mask) ? 1 : 0); + } else { + /* Emulated LEDs return OFF always */ + return 0; + } +} + +#ifdef __cplusplus +} +#endif + +#endif