EmbeddedArtists AB / Mbed 2 deprecated lpc4088_ebb_ptp

Production Test Program (PTP) for the LPC4088 Experiment Base Board

Dependencies:   EALib I2S LM75B SDFileSystem mbed

TestAudio.h@3:7ef908e84ae1, 2014-09-08 (annotated)

Committer:
embeddedartists
Date:
Mon Sep 08 11:34:53 2014 +0000
Revision:
3:7ef908e84ae1
Parent:
2:2f4b7535ceb3 
Added audio test. Shortened RGB LED startup sequence and added message for user when uSD card not inserted to explain the long delay.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 2:2f4b7535ceb3 1 /*
embeddedartists 2:2f4b7535ceb3 2 * Copyright 2013 Embedded Artists AB
embeddedartists 2:2f4b7535ceb3 3 *
embeddedartists 2:2f4b7535ceb3 4 * Licensed under the Apache License, Version 2.0 (the "License");
embeddedartists 2:2f4b7535ceb3 5 * you may not use this file except in compliance with the License.
embeddedartists 2:2f4b7535ceb3 6 * You may obtain a copy of the License at
embeddedartists 2:2f4b7535ceb3 7 *
embeddedartists 2:2f4b7535ceb3 8 * http://www.apache.org/licenses/LICENSE-2.0
embeddedartists 2:2f4b7535ceb3 9 *
embeddedartists 2:2f4b7535ceb3 10 * Unless required by applicable law or agreed to in writing, software
embeddedartists 2:2f4b7535ceb3 11 * distributed under the License is distributed on an "AS IS" BASIS,
embeddedartists 2:2f4b7535ceb3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
embeddedartists 2:2f4b7535ceb3 13 * See the License for the specific language governing permissions and
embeddedartists 2:2f4b7535ceb3 14 * limitations under the License.
embeddedartists 2:2f4b7535ceb3 15 */
embeddedartists 2:2f4b7535ceb3 16
embeddedartists 2:2f4b7535ceb3 17 #ifndef TESTAUDIO_H
embeddedartists 2:2f4b7535ceb3 18 #define TESTAUDIO_H
embeddedartists 2:2f4b7535ceb3 19
embeddedartists 3:7ef908e84ae1 20 #include "WM8731.h"
embeddedartists 3:7ef908e84ae1 21 #include "I2S.h"
embeddedartists 3:7ef908e84ae1 22
embeddedartists 3:7ef908e84ae1 23 #define ECHOLENGTH 12000
embeddedartists 3:7ef908e84ae1 24
embeddedartists 2:2f4b7535ceb3 25
embeddedartists 2:2f4b7535ceb3 26 /**
embeddedartists 2:2f4b7535ceb3 27 * Test the WM8731 audio codec and the audio connectors on
embeddedartists 2:2f4b7535ceb3 28 * the LPC4088 Experiment Base Board
embeddedartists 2:2f4b7535ceb3 29 */
embeddedartists 2:2f4b7535ceb3 30 class TestAudio {
embeddedartists 2:2f4b7535ceb3 31 public:
embeddedartists 2:2f4b7535ceb3 32
embeddedartists 2:2f4b7535ceb3 33 /**
embeddedartists 3:7ef908e84ae1 34 * Create an interface to the audio codec
embeddedartists 3:7ef908e84ae1 35 */
embeddedartists 3:7ef908e84ae1 36 TestAudio();
embeddedartists 3:7ef908e84ae1 37
embeddedartists 3:7ef908e84ae1 38 /**
embeddedartists 2:2f4b7535ceb3 39 * Test the audio
embeddedartists 2:2f4b7535ceb3 40 *
embeddedartists 2:2f4b7535ceb3 41 * @return true if the test was successful; otherwise false
embeddedartists 2:2f4b7535ceb3 42 */
embeddedartists 2:2f4b7535ceb3 43 bool runTest();
embeddedartists 2:2f4b7535ceb3 44
embeddedartists 2:2f4b7535ceb3 45 private:
embeddedartists 2:2f4b7535ceb3 46
embeddedartists 3:7ef908e84ae1 47 /**
embeddedartists 3:7ef908e84ae1 48 * Callback function for I2S
embeddedartists 3:7ef908e84ae1 49 */
embeddedartists 3:7ef908e84ae1 50 void echo(void);
embeddedartists 3:7ef908e84ae1 51
embeddedartists 3:7ef908e84ae1 52 WM8731 _codec;
embeddedartists 3:7ef908e84ae1 53 I2S _i2sTx;
embeddedartists 3:7ef908e84ae1 54 I2S _i2sRx;
embeddedartists 3:7ef908e84ae1 55 AnalogIn _aIn;
embeddedartists 3:7ef908e84ae1 56
embeddedartists 3:7ef908e84ae1 57 int _waveIdx;
embeddedartists 3:7ef908e84ae1 58 int _echoBufPtr;
embeddedartists 3:7ef908e84ae1 59 int _echoBuf[ECHOLENGTH];
embeddedartists 3:7ef908e84ae1 60 int _txBuf[16];
embeddedartists 3:7ef908e84ae1 61 int _rxBuf[16];
embeddedartists 2:2f4b7535ceb3 62 };
embeddedartists 2:2f4b7535ceb3 63
embeddedartists 2:2f4b7535ceb3 64 #endif
embeddedartists 2:2f4b7535ceb3 65