Yihui Xiong / BLE_NODE_TEST

Test code for Grove Node BLE

Dependencies:   BLE_API nRF51822

Fork of BLE_LoopbackUART by Bluetooth Low Energy

mbed-src/api/PortOut.h@10:22480ac31879, 2014-11-27 (annotated)

Committer:
yihui
Date:
Thu Nov 27 09:30:36 2014 +0000
Revision:
10:22480ac31879
Parent:
9:05f0b5a3a70a 
change to new revision hardware

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 9:05f0b5a3a70a 1 /* mbed Microcontroller Library
yihui 9:05f0b5a3a70a 2 * Copyright (c) 2006-2013 ARM Limited
yihui 9:05f0b5a3a70a 3 *
yihui 9:05f0b5a3a70a 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 9:05f0b5a3a70a 5 * you may not use this file except in compliance with the License.
yihui 9:05f0b5a3a70a 6 * You may obtain a copy of the License at
yihui 9:05f0b5a3a70a 7 *
yihui 9:05f0b5a3a70a 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 9:05f0b5a3a70a 9 *
yihui 9:05f0b5a3a70a 10 * Unless required by applicable law or agreed to in writing, software
yihui 9:05f0b5a3a70a 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 9:05f0b5a3a70a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 9:05f0b5a3a70a 13 * See the License for the specific language governing permissions and
yihui 9:05f0b5a3a70a 14 * limitations under the License.
yihui 9:05f0b5a3a70a 15 */
yihui 9:05f0b5a3a70a 16 #ifndef MBED_PORTOUT_H
yihui 9:05f0b5a3a70a 17 #define MBED_PORTOUT_H
yihui 9:05f0b5a3a70a 18
yihui 9:05f0b5a3a70a 19 #include "platform.h"
yihui 9:05f0b5a3a70a 20
yihui 9:05f0b5a3a70a 21 #if DEVICE_PORTOUT
yihui 9:05f0b5a3a70a 22
yihui 9:05f0b5a3a70a 23 #include "port_api.h"
yihui 9:05f0b5a3a70a 24
yihui 9:05f0b5a3a70a 25 namespace mbed {
yihui 9:05f0b5a3a70a 26 /** A multiple pin digital out
yihui 9:05f0b5a3a70a 27 *
yihui 9:05f0b5a3a70a 28 * Example:
yihui 9:05f0b5a3a70a 29 * @code
yihui 9:05f0b5a3a70a 30 * // Toggle all four LEDs
yihui 9:05f0b5a3a70a 31 *
yihui 9:05f0b5a3a70a 32 * #include "mbed.h"
yihui 9:05f0b5a3a70a 33 *
yihui 9:05f0b5a3a70a 34 * // LED1 = P1.18 LED2 = P1.20 LED3 = P1.21 LED4 = P1.23
yihui 9:05f0b5a3a70a 35 * #define LED_MASK 0x00B40000
yihui 9:05f0b5a3a70a 36 *
yihui 9:05f0b5a3a70a 37 * PortOut ledport(Port1, LED_MASK);
yihui 9:05f0b5a3a70a 38 *
yihui 9:05f0b5a3a70a 39 * int main() {
yihui 9:05f0b5a3a70a 40 * while(1) {
yihui 9:05f0b5a3a70a 41 * ledport = LED_MASK;
yihui 9:05f0b5a3a70a 42 * wait(1);
yihui 9:05f0b5a3a70a 43 * ledport = 0;
yihui 9:05f0b5a3a70a 44 * wait(1);
yihui 9:05f0b5a3a70a 45 * }
yihui 9:05f0b5a3a70a 46 * }
yihui 9:05f0b5a3a70a 47 * @endcode
yihui 9:05f0b5a3a70a 48 */
yihui 9:05f0b5a3a70a 49 class PortOut {
yihui 9:05f0b5a3a70a 50 public:
yihui 9:05f0b5a3a70a 51
yihui 9:05f0b5a3a70a 52 /** Create an PortOut, connected to the specified port
yihui 9:05f0b5a3a70a 53 *
yihui 9:05f0b5a3a70a 54 * @param port Port to connect to (Port0-Port5)
yihui 9:05f0b5a3a70a 55 * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
yihui 9:05f0b5a3a70a 56 */
yihui 9:05f0b5a3a70a 57 PortOut(PortName port, int mask = 0xFFFFFFFF) {
yihui 9:05f0b5a3a70a 58 port_init(&_port, port, mask, PIN_OUTPUT);
yihui 9:05f0b5a3a70a 59 }
yihui 9:05f0b5a3a70a 60
yihui 9:05f0b5a3a70a 61 /** Write the value to the output port
yihui 9:05f0b5a3a70a 62 *
yihui 9:05f0b5a3a70a 63 * @param value An integer specifying a bit to write for every corresponding PortOut pin
yihui 9:05f0b5a3a70a 64 */
yihui 9:05f0b5a3a70a 65 void write(int value) {
yihui 9:05f0b5a3a70a 66 port_write(&_port, value);
yihui 9:05f0b5a3a70a 67 }
yihui 9:05f0b5a3a70a 68
yihui 9:05f0b5a3a70a 69 /** Read the value currently output on the port
yihui 9:05f0b5a3a70a 70 *
yihui 9:05f0b5a3a70a 71 * @returns
yihui 9:05f0b5a3a70a 72 * An integer with each bit corresponding to associated PortOut pin setting
yihui 9:05f0b5a3a70a 73 */
yihui 9:05f0b5a3a70a 74 int read() {
yihui 9:05f0b5a3a70a 75 return port_read(&_port);
yihui 9:05f0b5a3a70a 76 }
yihui 9:05f0b5a3a70a 77
yihui 9:05f0b5a3a70a 78 /** A shorthand for write()
yihui 9:05f0b5a3a70a 79 */
yihui 9:05f0b5a3a70a 80 PortOut& operator= (int value) {
yihui 9:05f0b5a3a70a 81 write(value);
yihui 9:05f0b5a3a70a 82 return *this;
yihui 9:05f0b5a3a70a 83 }
yihui 9:05f0b5a3a70a 84
yihui 9:05f0b5a3a70a 85 PortOut& operator= (PortOut& rhs) {
yihui 9:05f0b5a3a70a 86 write(rhs.read());
yihui 9:05f0b5a3a70a 87 return *this;
yihui 9:05f0b5a3a70a 88 }
yihui 9:05f0b5a3a70a 89
yihui 9:05f0b5a3a70a 90 /** A shorthand for read()
yihui 9:05f0b5a3a70a 91 */
yihui 9:05f0b5a3a70a 92 operator int() {
yihui 9:05f0b5a3a70a 93 return read();
yihui 9:05f0b5a3a70a 94 }
yihui 9:05f0b5a3a70a 95
yihui 9:05f0b5a3a70a 96 private:
yihui 9:05f0b5a3a70a 97 port_t _port;
yihui 9:05f0b5a3a70a 98 };
yihui 9:05f0b5a3a70a 99
yihui 9:05f0b5a3a70a 100 } // namespace mbed
yihui 9:05f0b5a3a70a 101
yihui 9:05f0b5a3a70a 102 #endif
yihui 9:05f0b5a3a70a 103
yihui 9:05f0b5a3a70a 104 #endif