mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_Cypress/TARGET_PSOC6/gpio_object.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
188:bcfe06ba3d64 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 188:bcfe06ba3d64 1 /*
AnnaBridge 188:bcfe06ba3d64 2 * mbed Microcontroller Library
AnnaBridge 188:bcfe06ba3d64 3 * Copyright (c) 2017-2018 Future Electronics
AnnaBridge 189:f392fc9709a3 4 * Copyright (c) 2018-2019 Cypress Semiconductor Corporation
AnnaBridge 189:f392fc9709a3 5 * SPDX-License-Identifier: Apache-2.0
AnnaBridge 188:bcfe06ba3d64 6 *
AnnaBridge 188:bcfe06ba3d64 7 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 188:bcfe06ba3d64 8 * you may not use this file except in compliance with the License.
AnnaBridge 188:bcfe06ba3d64 9 * You may obtain a copy of the License at
AnnaBridge 188:bcfe06ba3d64 10 *
AnnaBridge 188:bcfe06ba3d64 11 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 188:bcfe06ba3d64 12 *
AnnaBridge 188:bcfe06ba3d64 13 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 188:bcfe06ba3d64 14 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 188:bcfe06ba3d64 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 188:bcfe06ba3d64 16 * See the License for the specific language governing permissions and
AnnaBridge 188:bcfe06ba3d64 17 * limitations under the License.
AnnaBridge 188:bcfe06ba3d64 18 */
AnnaBridge 188:bcfe06ba3d64 19
AnnaBridge 188:bcfe06ba3d64 20 #ifndef MBED_GPIO_OBJECTS_H
AnnaBridge 188:bcfe06ba3d64 21 #define MBED_GPIO_OBJECTS_H
AnnaBridge 188:bcfe06ba3d64 22
AnnaBridge 188:bcfe06ba3d64 23 #include "mbed_assert.h"
AnnaBridge 188:bcfe06ba3d64 24 #include "PinNamesTypes.h"
AnnaBridge 188:bcfe06ba3d64 25 #include "PinNames.h"
AnnaBridge 188:bcfe06ba3d64 26
AnnaBridge 189:f392fc9709a3 27 #include "cy_gpio.h"
AnnaBridge 188:bcfe06ba3d64 28
AnnaBridge 188:bcfe06ba3d64 29 #ifdef __cplusplus
AnnaBridge 188:bcfe06ba3d64 30 extern "C" {
AnnaBridge 188:bcfe06ba3d64 31 #endif
AnnaBridge 188:bcfe06ba3d64 32
AnnaBridge 188:bcfe06ba3d64 33 struct gpio_s {
AnnaBridge 188:bcfe06ba3d64 34 GPIO_PRT_Type *port;
AnnaBridge 188:bcfe06ba3d64 35 PinName pin;
AnnaBridge 188:bcfe06ba3d64 36 PinDirection dir;
AnnaBridge 188:bcfe06ba3d64 37 PinMode mode;
AnnaBridge 188:bcfe06ba3d64 38 };
AnnaBridge 188:bcfe06ba3d64 39
AnnaBridge 188:bcfe06ba3d64 40 typedef struct gpio_s gpio_t;
AnnaBridge 188:bcfe06ba3d64 41
AnnaBridge 188:bcfe06ba3d64 42 /** Set the output value
AnnaBridge 188:bcfe06ba3d64 43 *
AnnaBridge 188:bcfe06ba3d64 44 * @param obj The GPIO object
AnnaBridge 188:bcfe06ba3d64 45 * @param value The value to be set
AnnaBridge 188:bcfe06ba3d64 46 */
AnnaBridge 188:bcfe06ba3d64 47 static inline void gpio_write(gpio_t *obj, int value)
AnnaBridge 188:bcfe06ba3d64 48 {
AnnaBridge 188:bcfe06ba3d64 49 MBED_ASSERT(obj->pin != NC);
AnnaBridge 188:bcfe06ba3d64 50
AnnaBridge 188:bcfe06ba3d64 51 Cy_GPIO_Write(obj->port, CY_PIN(obj->pin), value);
AnnaBridge 188:bcfe06ba3d64 52 }
AnnaBridge 188:bcfe06ba3d64 53
AnnaBridge 188:bcfe06ba3d64 54 /** Read the input value
AnnaBridge 188:bcfe06ba3d64 55 *
AnnaBridge 188:bcfe06ba3d64 56 * @param obj The GPIO object
AnnaBridge 188:bcfe06ba3d64 57 * @return An integer value 1 or 0
AnnaBridge 188:bcfe06ba3d64 58 */
AnnaBridge 188:bcfe06ba3d64 59 static inline int gpio_read(gpio_t *obj)
AnnaBridge 188:bcfe06ba3d64 60 {
AnnaBridge 188:bcfe06ba3d64 61 MBED_ASSERT(obj->pin != NC);
AnnaBridge 188:bcfe06ba3d64 62
AnnaBridge 188:bcfe06ba3d64 63 return Cy_GPIO_Read(obj->port, CY_PIN(obj->pin));
AnnaBridge 188:bcfe06ba3d64 64 }
AnnaBridge 188:bcfe06ba3d64 65
AnnaBridge 188:bcfe06ba3d64 66 static inline int gpio_is_connected(const gpio_t *obj)
AnnaBridge 188:bcfe06ba3d64 67 {
AnnaBridge 188:bcfe06ba3d64 68 return obj->pin != NC;
AnnaBridge 188:bcfe06ba3d64 69 }
AnnaBridge 188:bcfe06ba3d64 70
AnnaBridge 188:bcfe06ba3d64 71 /** Get the pin name from the port's pin number
AnnaBridge 188:bcfe06ba3d64 72 *
AnnaBridge 188:bcfe06ba3d64 73 * @param port The port name
AnnaBridge 188:bcfe06ba3d64 74 * @param pin_n The pin number within the specified port
AnnaBridge 188:bcfe06ba3d64 75 * @return The pin name for the port's pin number
AnnaBridge 188:bcfe06ba3d64 76 */
AnnaBridge 188:bcfe06ba3d64 77 inline PinName port_pin(PortName port, int pin_n)
AnnaBridge 188:bcfe06ba3d64 78 {
AnnaBridge 188:bcfe06ba3d64 79 return (PinName)((port << 8) + pin_n);
AnnaBridge 188:bcfe06ba3d64 80 }
AnnaBridge 188:bcfe06ba3d64 81
AnnaBridge 188:bcfe06ba3d64 82
AnnaBridge 188:bcfe06ba3d64 83 #ifdef __cplusplus
AnnaBridge 188:bcfe06ba3d64 84 }
AnnaBridge 188:bcfe06ba3d64 85 #endif
AnnaBridge 188:bcfe06ba3d64 86
AnnaBridge 188:bcfe06ba3d64 87 #endif // MBED_GPIO_OBJECTS_H