CDY version that shares functionality with Counter
Dependencies: SDFileSystem_HelloWorld mbed FATFileSystem
mbed/hal/gpio_api.h@3:c547dba5d39b, 2018-11-05 (annotated)
- Committer:
- Charles David Young
- Date:
- Mon Nov 05 09:52:17 2018 -0700
- Revision:
- 3:c547dba5d39b
- Parent:
- 0:aa13e1c335cd
debug
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Charles David Young |
0:aa13e1c335cd | 1 | |
Charles David Young |
0:aa13e1c335cd | 2 | /** \addtogroup hal */ |
Charles David Young |
0:aa13e1c335cd | 3 | /** @{*/ |
Charles David Young |
0:aa13e1c335cd | 4 | /* mbed Microcontroller Library |
Charles David Young |
0:aa13e1c335cd | 5 | * Copyright (c) 2006-2013 ARM Limited |
Charles David Young |
0:aa13e1c335cd | 6 | * |
Charles David Young |
0:aa13e1c335cd | 7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
Charles David Young |
0:aa13e1c335cd | 8 | * you may not use this file except in compliance with the License. |
Charles David Young |
0:aa13e1c335cd | 9 | * You may obtain a copy of the License at |
Charles David Young |
0:aa13e1c335cd | 10 | * |
Charles David Young |
0:aa13e1c335cd | 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
Charles David Young |
0:aa13e1c335cd | 12 | * |
Charles David Young |
0:aa13e1c335cd | 13 | * Unless required by applicable law or agreed to in writing, software |
Charles David Young |
0:aa13e1c335cd | 14 | * distributed under the License is distributed on an "AS IS" BASIS, |
Charles David Young |
0:aa13e1c335cd | 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
Charles David Young |
0:aa13e1c335cd | 16 | * See the License for the specific language governing permissions and |
Charles David Young |
0:aa13e1c335cd | 17 | * limitations under the License. |
Charles David Young |
0:aa13e1c335cd | 18 | */ |
Charles David Young |
0:aa13e1c335cd | 19 | #ifndef MBED_GPIO_API_H |
Charles David Young |
0:aa13e1c335cd | 20 | #define MBED_GPIO_API_H |
Charles David Young |
0:aa13e1c335cd | 21 | |
Charles David Young |
0:aa13e1c335cd | 22 | #include <stdint.h> |
Charles David Young |
0:aa13e1c335cd | 23 | #include "device.h" |
Charles David Young |
0:aa13e1c335cd | 24 | |
Charles David Young |
0:aa13e1c335cd | 25 | #ifdef __cplusplus |
Charles David Young |
0:aa13e1c335cd | 26 | extern "C" { |
Charles David Young |
0:aa13e1c335cd | 27 | #endif |
Charles David Young |
0:aa13e1c335cd | 28 | |
Charles David Young |
0:aa13e1c335cd | 29 | /** |
Charles David Young |
0:aa13e1c335cd | 30 | * \defgroup hal_gpio GPIO HAL functions |
Charles David Young |
0:aa13e1c335cd | 31 | * @{ |
Charles David Young |
0:aa13e1c335cd | 32 | */ |
Charles David Young |
0:aa13e1c335cd | 33 | |
Charles David Young |
0:aa13e1c335cd | 34 | /** Set the given pin as GPIO |
Charles David Young |
0:aa13e1c335cd | 35 | * |
Charles David Young |
0:aa13e1c335cd | 36 | * @param pin The pin to be set as GPIO |
Charles David Young |
0:aa13e1c335cd | 37 | * @return The GPIO port mask for this pin |
Charles David Young |
0:aa13e1c335cd | 38 | **/ |
Charles David Young |
0:aa13e1c335cd | 39 | uint32_t gpio_set(PinName pin); |
Charles David Young |
0:aa13e1c335cd | 40 | /* Checks if gpio object is connected (pin was not initialized with NC) |
Charles David Young |
0:aa13e1c335cd | 41 | * @param pin The pin to be set as GPIO |
Charles David Young |
0:aa13e1c335cd | 42 | * @return 0 if port is initialized with NC |
Charles David Young |
0:aa13e1c335cd | 43 | **/ |
Charles David Young |
0:aa13e1c335cd | 44 | int gpio_is_connected(const gpio_t *obj); |
Charles David Young |
0:aa13e1c335cd | 45 | |
Charles David Young |
0:aa13e1c335cd | 46 | /** Initialize the GPIO pin |
Charles David Young |
0:aa13e1c335cd | 47 | * |
Charles David Young |
0:aa13e1c335cd | 48 | * @param obj The GPIO object to initialize |
Charles David Young |
0:aa13e1c335cd | 49 | * @param pin The GPIO pin to initialize |
Charles David Young |
0:aa13e1c335cd | 50 | */ |
Charles David Young |
0:aa13e1c335cd | 51 | void gpio_init(gpio_t *obj, PinName pin); |
Charles David Young |
0:aa13e1c335cd | 52 | |
Charles David Young |
0:aa13e1c335cd | 53 | /** Set the input pin mode |
Charles David Young |
0:aa13e1c335cd | 54 | * |
Charles David Young |
0:aa13e1c335cd | 55 | * @param obj The GPIO object |
Charles David Young |
0:aa13e1c335cd | 56 | * @param mode The pin mode to be set |
Charles David Young |
0:aa13e1c335cd | 57 | */ |
Charles David Young |
0:aa13e1c335cd | 58 | void gpio_mode(gpio_t *obj, PinMode mode); |
Charles David Young |
0:aa13e1c335cd | 59 | |
Charles David Young |
0:aa13e1c335cd | 60 | /** Set the pin direction |
Charles David Young |
0:aa13e1c335cd | 61 | * |
Charles David Young |
0:aa13e1c335cd | 62 | * @param obj The GPIO object |
Charles David Young |
0:aa13e1c335cd | 63 | * @param direction The pin direction to be set |
Charles David Young |
0:aa13e1c335cd | 64 | */ |
Charles David Young |
0:aa13e1c335cd | 65 | void gpio_dir(gpio_t *obj, PinDirection direction); |
Charles David Young |
0:aa13e1c335cd | 66 | |
Charles David Young |
0:aa13e1c335cd | 67 | /** Set the output value |
Charles David Young |
0:aa13e1c335cd | 68 | * |
Charles David Young |
0:aa13e1c335cd | 69 | * @param obj The GPIO object |
Charles David Young |
0:aa13e1c335cd | 70 | * @param value The value to be set |
Charles David Young |
0:aa13e1c335cd | 71 | */ |
Charles David Young |
0:aa13e1c335cd | 72 | void gpio_write(gpio_t *obj, int value); |
Charles David Young |
0:aa13e1c335cd | 73 | |
Charles David Young |
0:aa13e1c335cd | 74 | /** Read the input value |
Charles David Young |
0:aa13e1c335cd | 75 | * |
Charles David Young |
0:aa13e1c335cd | 76 | * @param obj The GPIO object |
Charles David Young |
0:aa13e1c335cd | 77 | * @return An integer value 1 or 0 |
Charles David Young |
0:aa13e1c335cd | 78 | */ |
Charles David Young |
0:aa13e1c335cd | 79 | int gpio_read(gpio_t *obj); |
Charles David Young |
0:aa13e1c335cd | 80 | |
Charles David Young |
0:aa13e1c335cd | 81 | // the following functions are generic and implemented in the common gpio.c file |
Charles David Young |
0:aa13e1c335cd | 82 | // TODO: fix, will be moved to the common gpio header file |
Charles David Young |
0:aa13e1c335cd | 83 | |
Charles David Young |
0:aa13e1c335cd | 84 | /** Init the input pin and set mode to PullDefault |
Charles David Young |
0:aa13e1c335cd | 85 | * |
Charles David Young |
0:aa13e1c335cd | 86 | * @param obj The GPIO object |
Charles David Young |
0:aa13e1c335cd | 87 | * @param pin The pin name |
Charles David Young |
0:aa13e1c335cd | 88 | */ |
Charles David Young |
0:aa13e1c335cd | 89 | void gpio_init_in(gpio_t* gpio, PinName pin); |
Charles David Young |
0:aa13e1c335cd | 90 | |
Charles David Young |
0:aa13e1c335cd | 91 | /** Init the input pin and set the mode |
Charles David Young |
0:aa13e1c335cd | 92 | * |
Charles David Young |
0:aa13e1c335cd | 93 | * @param obj The GPIO object |
Charles David Young |
0:aa13e1c335cd | 94 | * @param pin The pin name |
Charles David Young |
0:aa13e1c335cd | 95 | * @param mode The pin mode to be set |
Charles David Young |
0:aa13e1c335cd | 96 | */ |
Charles David Young |
0:aa13e1c335cd | 97 | void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode); |
Charles David Young |
0:aa13e1c335cd | 98 | |
Charles David Young |
0:aa13e1c335cd | 99 | /** Init the output pin as an output, with predefined output value 0 |
Charles David Young |
0:aa13e1c335cd | 100 | * |
Charles David Young |
0:aa13e1c335cd | 101 | * @param obj The GPIO object |
Charles David Young |
0:aa13e1c335cd | 102 | * @param pin The pin name |
Charles David Young |
0:aa13e1c335cd | 103 | * @return An integer value 1 or 0 |
Charles David Young |
0:aa13e1c335cd | 104 | */ |
Charles David Young |
0:aa13e1c335cd | 105 | void gpio_init_out(gpio_t* gpio, PinName pin); |
Charles David Young |
0:aa13e1c335cd | 106 | |
Charles David Young |
0:aa13e1c335cd | 107 | /** Init the pin as an output and set the output value |
Charles David Young |
0:aa13e1c335cd | 108 | * |
Charles David Young |
0:aa13e1c335cd | 109 | * @param obj The GPIO object |
Charles David Young |
0:aa13e1c335cd | 110 | * @param pin The pin name |
Charles David Young |
0:aa13e1c335cd | 111 | * @param value The value to be set |
Charles David Young |
0:aa13e1c335cd | 112 | */ |
Charles David Young |
0:aa13e1c335cd | 113 | void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value); |
Charles David Young |
0:aa13e1c335cd | 114 | |
Charles David Young |
0:aa13e1c335cd | 115 | /** Init the pin to be in/out |
Charles David Young |
0:aa13e1c335cd | 116 | * |
Charles David Young |
0:aa13e1c335cd | 117 | * @param obj The GPIO object |
Charles David Young |
0:aa13e1c335cd | 118 | * @param pin The pin name |
Charles David Young |
0:aa13e1c335cd | 119 | * @param direction The pin direction to be set |
Charles David Young |
0:aa13e1c335cd | 120 | * @param mode The pin mode to be set |
Charles David Young |
0:aa13e1c335cd | 121 | * @param value The value to be set for an output pin |
Charles David Young |
0:aa13e1c335cd | 122 | */ |
Charles David Young |
0:aa13e1c335cd | 123 | void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value); |
Charles David Young |
0:aa13e1c335cd | 124 | |
Charles David Young |
0:aa13e1c335cd | 125 | /**@}*/ |
Charles David Young |
0:aa13e1c335cd | 126 | |
Charles David Young |
0:aa13e1c335cd | 127 | #ifdef __cplusplus |
Charles David Young |
0:aa13e1c335cd | 128 | } |
Charles David Young |
0:aa13e1c335cd | 129 | #endif |
Charles David Young |
0:aa13e1c335cd | 130 | |
Charles David Young |
0:aa13e1c335cd | 131 | #endif |
Charles David Young |
0:aa13e1c335cd | 132 | |
Charles David Young |
0:aa13e1c335cd | 133 | /** @}*/ |