diff options
Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_K20XX/gpio_object.h')
-rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_K20XX/gpio_object.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_K20XX/gpio_object.h b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_K20XX/gpio_object.h new file mode 100644 index 0000000000..2ed459996b --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_K20XX/gpio_object.h @@ -0,0 +1,56 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2015 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 "mbed_assert.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + PinName pin; + uint32_t mask; + __IO uint32_t *reg_dir; + __IO uint32_t *reg_set; + __IO uint32_t *reg_clr; + __I uint32_t *reg_in; +} gpio_t; + +static inline void gpio_write(gpio_t *obj, int value) { + MBED_ASSERT(obj->pin != (PinName)NC); + if (value) { + *obj->reg_set = obj->mask; + } else { + *obj->reg_clr = obj->mask; + } +} + +static inline int gpio_read(gpio_t *obj) { + MBED_ASSERT(obj->pin != (PinName)NC); + return ((*obj->reg_in & obj->mask) ? 1 : 0); +} + +static inline int gpio_is_connected(const gpio_t *obj) { + return obj->pin != (PinName)NC; +} + +#ifdef __cplusplus +} +#endif + +#endif |