mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
targets/TARGET_ARM_SSG/TARGET_BEETLE/gpio_object.h@183:5166a824ec1a, 2018-03-20 (annotated)
- Committer:
- Anna Bridge
- Date:
- Tue Mar 20 17:01:51 2018 +0000
- Revision:
- 183:5166a824ec1a
- Parent:
- 149:156823d33999
Fix mbed lib version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 144:ef7eb2e8f9f7 | 1 | /* mbed Microcontroller Library |
<> | 144:ef7eb2e8f9f7 | 2 | * Copyright (c) 2015 ARM Limited |
<> | 144:ef7eb2e8f9f7 | 3 | * |
<> | 144:ef7eb2e8f9f7 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
<> | 144:ef7eb2e8f9f7 | 5 | * you may not use this file except in compliance with the License. |
<> | 144:ef7eb2e8f9f7 | 6 | * You may obtain a copy of the License at |
<> | 144:ef7eb2e8f9f7 | 7 | * |
<> | 144:ef7eb2e8f9f7 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
<> | 144:ef7eb2e8f9f7 | 9 | * |
<> | 144:ef7eb2e8f9f7 | 10 | * Unless required by applicable law or agreed to in writing, software |
<> | 144:ef7eb2e8f9f7 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
<> | 144:ef7eb2e8f9f7 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
<> | 144:ef7eb2e8f9f7 | 13 | * See the License for the specific language governing permissions and |
<> | 144:ef7eb2e8f9f7 | 14 | * limitations under the License. |
<> | 144:ef7eb2e8f9f7 | 15 | */ |
<> | 144:ef7eb2e8f9f7 | 16 | #ifndef MBED_GPIO_OBJECT_H |
<> | 144:ef7eb2e8f9f7 | 17 | #define MBED_GPIO_OBJECT_H |
<> | 144:ef7eb2e8f9f7 | 18 | |
<> | 144:ef7eb2e8f9f7 | 19 | #include "cmsis.h" |
<> | 144:ef7eb2e8f9f7 | 20 | #include "PortNames.h" |
<> | 144:ef7eb2e8f9f7 | 21 | #include "PeripheralNames.h" |
<> | 144:ef7eb2e8f9f7 | 22 | #include "PinNames.h" |
<> | 144:ef7eb2e8f9f7 | 23 | |
<> | 144:ef7eb2e8f9f7 | 24 | #ifdef __cplusplus |
<> | 144:ef7eb2e8f9f7 | 25 | extern "C" { |
<> | 144:ef7eb2e8f9f7 | 26 | #endif |
<> | 144:ef7eb2e8f9f7 | 27 | |
<> | 144:ef7eb2e8f9f7 | 28 | typedef struct { |
<> | 144:ef7eb2e8f9f7 | 29 | PinName pin; |
<> | 144:ef7eb2e8f9f7 | 30 | uint32_t mask; |
<> | 144:ef7eb2e8f9f7 | 31 | uint32_t pin_number; |
<> | 144:ef7eb2e8f9f7 | 32 | |
<> | 144:ef7eb2e8f9f7 | 33 | __IO uint32_t *reg_dir; |
<> | 144:ef7eb2e8f9f7 | 34 | __IO uint32_t *reg_dirclr; |
<> | 144:ef7eb2e8f9f7 | 35 | __IO uint32_t *reg_data; |
<> | 144:ef7eb2e8f9f7 | 36 | __I uint32_t *reg_in; |
<> | 144:ef7eb2e8f9f7 | 37 | } gpio_t; |
<> | 144:ef7eb2e8f9f7 | 38 | |
<> | 144:ef7eb2e8f9f7 | 39 | static inline void gpio_write(gpio_t *obj, int value) { |
<> | 144:ef7eb2e8f9f7 | 40 | if (obj->pin < LED1 || obj->pin > LED4) { |
<> | 144:ef7eb2e8f9f7 | 41 | if (value == 1) { |
<> | 144:ef7eb2e8f9f7 | 42 | *obj->reg_data |= (obj->mask); |
<> | 144:ef7eb2e8f9f7 | 43 | } else if (value == 0){ |
<> | 144:ef7eb2e8f9f7 | 44 | *obj->reg_data &= ~(obj->mask); |
<> | 144:ef7eb2e8f9f7 | 45 | } |
<> | 144:ef7eb2e8f9f7 | 46 | } else { |
<> | 144:ef7eb2e8f9f7 | 47 | /* Emulated LEDs return without taking any action */ |
<> | 144:ef7eb2e8f9f7 | 48 | return; |
<> | 144:ef7eb2e8f9f7 | 49 | } |
<> | 144:ef7eb2e8f9f7 | 50 | } |
<> | 144:ef7eb2e8f9f7 | 51 | |
<> | 144:ef7eb2e8f9f7 | 52 | static inline int gpio_read(gpio_t *obj) { |
<> | 144:ef7eb2e8f9f7 | 53 | if (obj->pin < LED1 || obj->pin > LED4) { |
<> | 144:ef7eb2e8f9f7 | 54 | return ((*obj->reg_in & obj->mask) ? 1 : 0); |
<> | 144:ef7eb2e8f9f7 | 55 | } else { |
<> | 144:ef7eb2e8f9f7 | 56 | /* Emulated LEDs return OFF always */ |
<> | 144:ef7eb2e8f9f7 | 57 | return 0; |
<> | 144:ef7eb2e8f9f7 | 58 | } |
<> | 144:ef7eb2e8f9f7 | 59 | } |
<> | 144:ef7eb2e8f9f7 | 60 | |
<> | 144:ef7eb2e8f9f7 | 61 | #ifdef __cplusplus |
<> | 144:ef7eb2e8f9f7 | 62 | } |
<> | 144:ef7eb2e8f9f7 | 63 | #endif |
<> | 144:ef7eb2e8f9f7 | 64 | |
<> | 144:ef7eb2e8f9f7 | 65 | #endif |