5.2.1 - Updated I2C files

Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

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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 /** @}*/