5.2.1 - Updated I2C files
Dependents: mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510
drivers/PortOut.h@0:098463de4c5d, 2017-01-25 (annotated)
- Committer:
- group-onsemi
- Date:
- Wed Jan 25 20:34:15 2017 +0000
- Revision:
- 0:098463de4c5d
Initial commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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group-onsemi | 0:098463de4c5d | 1 | /* mbed Microcontroller Library |
group-onsemi | 0:098463de4c5d | 2 | * Copyright (c) 2006-2013 ARM Limited |
group-onsemi | 0:098463de4c5d | 3 | * |
group-onsemi | 0:098463de4c5d | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
group-onsemi | 0:098463de4c5d | 5 | * you may not use this file except in compliance with the License. |
group-onsemi | 0:098463de4c5d | 6 | * You may obtain a copy of the License at |
group-onsemi | 0:098463de4c5d | 7 | * |
group-onsemi | 0:098463de4c5d | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
group-onsemi | 0:098463de4c5d | 9 | * |
group-onsemi | 0:098463de4c5d | 10 | * Unless required by applicable law or agreed to in writing, software |
group-onsemi | 0:098463de4c5d | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
group-onsemi | 0:098463de4c5d | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
group-onsemi | 0:098463de4c5d | 13 | * See the License for the specific language governing permissions and |
group-onsemi | 0:098463de4c5d | 14 | * limitations under the License. |
group-onsemi | 0:098463de4c5d | 15 | */ |
group-onsemi | 0:098463de4c5d | 16 | #ifndef MBED_PORTOUT_H |
group-onsemi | 0:098463de4c5d | 17 | #define MBED_PORTOUT_H |
group-onsemi | 0:098463de4c5d | 18 | |
group-onsemi | 0:098463de4c5d | 19 | #include "platform/platform.h" |
group-onsemi | 0:098463de4c5d | 20 | |
group-onsemi | 0:098463de4c5d | 21 | #if DEVICE_PORTOUT |
group-onsemi | 0:098463de4c5d | 22 | |
group-onsemi | 0:098463de4c5d | 23 | #include "hal/port_api.h" |
group-onsemi | 0:098463de4c5d | 24 | #include "platform/critical.h" |
group-onsemi | 0:098463de4c5d | 25 | |
group-onsemi | 0:098463de4c5d | 26 | namespace mbed { |
group-onsemi | 0:098463de4c5d | 27 | /** \addtogroup drivers */ |
group-onsemi | 0:098463de4c5d | 28 | /** @{*/ |
group-onsemi | 0:098463de4c5d | 29 | /** A multiple pin digital out |
group-onsemi | 0:098463de4c5d | 30 | * |
group-onsemi | 0:098463de4c5d | 31 | * @Note Synchronization level: Interrupt safe |
group-onsemi | 0:098463de4c5d | 32 | * |
group-onsemi | 0:098463de4c5d | 33 | * Example: |
group-onsemi | 0:098463de4c5d | 34 | * @code |
group-onsemi | 0:098463de4c5d | 35 | * // Toggle all four LEDs |
group-onsemi | 0:098463de4c5d | 36 | * |
group-onsemi | 0:098463de4c5d | 37 | * #include "mbed.h" |
group-onsemi | 0:098463de4c5d | 38 | * |
group-onsemi | 0:098463de4c5d | 39 | * // LED1 = P1.18 LED2 = P1.20 LED3 = P1.21 LED4 = P1.23 |
group-onsemi | 0:098463de4c5d | 40 | * #define LED_MASK 0x00B40000 |
group-onsemi | 0:098463de4c5d | 41 | * |
group-onsemi | 0:098463de4c5d | 42 | * PortOut ledport(Port1, LED_MASK); |
group-onsemi | 0:098463de4c5d | 43 | * |
group-onsemi | 0:098463de4c5d | 44 | * int main() { |
group-onsemi | 0:098463de4c5d | 45 | * while(1) { |
group-onsemi | 0:098463de4c5d | 46 | * ledport = LED_MASK; |
group-onsemi | 0:098463de4c5d | 47 | * wait(1); |
group-onsemi | 0:098463de4c5d | 48 | * ledport = 0; |
group-onsemi | 0:098463de4c5d | 49 | * wait(1); |
group-onsemi | 0:098463de4c5d | 50 | * } |
group-onsemi | 0:098463de4c5d | 51 | * } |
group-onsemi | 0:098463de4c5d | 52 | * @endcode |
group-onsemi | 0:098463de4c5d | 53 | */ |
group-onsemi | 0:098463de4c5d | 54 | class PortOut { |
group-onsemi | 0:098463de4c5d | 55 | public: |
group-onsemi | 0:098463de4c5d | 56 | |
group-onsemi | 0:098463de4c5d | 57 | /** Create an PortOut, connected to the specified port |
group-onsemi | 0:098463de4c5d | 58 | * |
group-onsemi | 0:098463de4c5d | 59 | * @param port Port to connect to (Port0-Port5) |
group-onsemi | 0:098463de4c5d | 60 | * @param mask A bitmask to identify which bits in the port should be included (0 - ignore) |
group-onsemi | 0:098463de4c5d | 61 | */ |
group-onsemi | 0:098463de4c5d | 62 | PortOut(PortName port, int mask = 0xFFFFFFFF) { |
group-onsemi | 0:098463de4c5d | 63 | core_util_critical_section_enter(); |
group-onsemi | 0:098463de4c5d | 64 | port_init(&_port, port, mask, PIN_OUTPUT); |
group-onsemi | 0:098463de4c5d | 65 | core_util_critical_section_exit(); |
group-onsemi | 0:098463de4c5d | 66 | } |
group-onsemi | 0:098463de4c5d | 67 | |
group-onsemi | 0:098463de4c5d | 68 | /** Write the value to the output port |
group-onsemi | 0:098463de4c5d | 69 | * |
group-onsemi | 0:098463de4c5d | 70 | * @param value An integer specifying a bit to write for every corresponding PortOut pin |
group-onsemi | 0:098463de4c5d | 71 | */ |
group-onsemi | 0:098463de4c5d | 72 | void write(int value) { |
group-onsemi | 0:098463de4c5d | 73 | port_write(&_port, value); |
group-onsemi | 0:098463de4c5d | 74 | } |
group-onsemi | 0:098463de4c5d | 75 | |
group-onsemi | 0:098463de4c5d | 76 | /** Read the value currently output on the port |
group-onsemi | 0:098463de4c5d | 77 | * |
group-onsemi | 0:098463de4c5d | 78 | * @returns |
group-onsemi | 0:098463de4c5d | 79 | * An integer with each bit corresponding to associated PortOut pin setting |
group-onsemi | 0:098463de4c5d | 80 | */ |
group-onsemi | 0:098463de4c5d | 81 | int read() { |
group-onsemi | 0:098463de4c5d | 82 | return port_read(&_port); |
group-onsemi | 0:098463de4c5d | 83 | } |
group-onsemi | 0:098463de4c5d | 84 | |
group-onsemi | 0:098463de4c5d | 85 | /** A shorthand for write() |
group-onsemi | 0:098463de4c5d | 86 | */ |
group-onsemi | 0:098463de4c5d | 87 | PortOut& operator= (int value) { |
group-onsemi | 0:098463de4c5d | 88 | write(value); |
group-onsemi | 0:098463de4c5d | 89 | return *this; |
group-onsemi | 0:098463de4c5d | 90 | } |
group-onsemi | 0:098463de4c5d | 91 | |
group-onsemi | 0:098463de4c5d | 92 | PortOut& operator= (PortOut& rhs) { |
group-onsemi | 0:098463de4c5d | 93 | write(rhs.read()); |
group-onsemi | 0:098463de4c5d | 94 | return *this; |
group-onsemi | 0:098463de4c5d | 95 | } |
group-onsemi | 0:098463de4c5d | 96 | |
group-onsemi | 0:098463de4c5d | 97 | /** A shorthand for read() |
group-onsemi | 0:098463de4c5d | 98 | */ |
group-onsemi | 0:098463de4c5d | 99 | operator int() { |
group-onsemi | 0:098463de4c5d | 100 | return read(); |
group-onsemi | 0:098463de4c5d | 101 | } |
group-onsemi | 0:098463de4c5d | 102 | |
group-onsemi | 0:098463de4c5d | 103 | private: |
group-onsemi | 0:098463de4c5d | 104 | port_t _port; |
group-onsemi | 0:098463de4c5d | 105 | }; |
group-onsemi | 0:098463de4c5d | 106 | |
group-onsemi | 0:098463de4c5d | 107 | } // namespace mbed |
group-onsemi | 0:098463de4c5d | 108 | |
group-onsemi | 0:098463de4c5d | 109 | #endif |
group-onsemi | 0:098463de4c5d | 110 | |
group-onsemi | 0:098463de4c5d | 111 | #endif |
group-onsemi | 0:098463de4c5d | 112 | |
group-onsemi | 0:098463de4c5d | 113 | /** @}*/ |