TestShiftreg.h

00001 /*
00002  *  Copyright 2013 Embedded Artists AB
00003  *
00004  *  Licensed under the Apache License, Version 2.0 (the "License");
00005  *  you may not use this file except in compliance with the License.
00006  *  You may obtain a copy of the License at
00007  *
00008  *    http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  *  Unless required by applicable law or agreed to in writing, software
00011  *  distributed under the License is distributed on an "AS IS" BASIS,
00012  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  *  See the License for the specific language governing permissions and
00014  *  limitations under the License.
00015  */
00016 
00017 #ifndef TESTSHIFTREG_H
00018 #define TESTSHIFTREG_H
00019 
00020 
00021 /**
00022  * Test the shift register and the LEDs connected to it on 
00023  * the LPC4088 Experiment Base Board
00024  */
00025 class TestShiftreg {
00026 public:
00027     
00028     /**
00029      * Create an interface to the shift register
00030      *
00031      */
00032     TestShiftreg(PinName mosi=p5, PinName miso=p6, PinName sclk=p7, PinName cs=p30);
00033 
00034     /**
00035      * Test the shift register
00036      *
00037      * @return true if the test was successful; otherwise false
00038      */
00039     bool runTest();
00040 
00041     /**
00042      * Set a value in the shift register
00043      */
00044     void output(uint8_t value);
00045 
00046 private:
00047     
00048     SPI _spi;
00049     DigitalOut _cs;
00050 };
00051 
00052 #endif
00053