EmbeddedArtists AB / Mbed 2 deprecated lpc4088_ebb_ptp

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

Dependencies:   EALib I2S LM75B SDFileSystem mbed

WM8731.h@0:0d5190d379d3, 2014-08-25 (annotated)

Committer:
embeddedartists
Date:
Mon Aug 25 13:15:27 2014 +0000
Revision:
0:0d5190d379d3
Child:
3:7ef908e84ae1
Baseline for PTP (production test program) for the LPC4088 QSB + Experiment Base Board.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 0:0d5190d379d3 1 /*
embeddedartists 0:0d5190d379d3 2 * Copyright 2013 Embedded Artists AB
embeddedartists 0:0d5190d379d3 3 *
embeddedartists 0:0d5190d379d3 4 * Licensed under the Apache License, Version 2.0 (the "License");
embeddedartists 0:0d5190d379d3 5 * you may not use this file except in compliance with the License.
embeddedartists 0:0d5190d379d3 6 * You may obtain a copy of the License at
embeddedartists 0:0d5190d379d3 7 *
embeddedartists 0:0d5190d379d3 8 * http://www.apache.org/licenses/LICENSE-2.0
embeddedartists 0:0d5190d379d3 9 *
embeddedartists 0:0d5190d379d3 10 * Unless required by applicable law or agreed to in writing, software
embeddedartists 0:0d5190d379d3 11 * distributed under the License is distributed on an "AS IS" BASIS,
embeddedartists 0:0d5190d379d3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
embeddedartists 0:0d5190d379d3 13 * See the License for the specific language governing permissions and
embeddedartists 0:0d5190d379d3 14 * limitations under the License.
embeddedartists 0:0d5190d379d3 15 */
embeddedartists 0:0d5190d379d3 16
embeddedartists 0:0d5190d379d3 17 #ifndef WM8731_H
embeddedartists 0:0d5190d379d3 18 #define WM8731_H
embeddedartists 0:0d5190d379d3 19
embeddedartists 0:0d5190d379d3 20
embeddedartists 0:0d5190d379d3 21 /**
embeddedartists 0:0d5190d379d3 22 * Wolfson Mgiroelectronics Audio Codec WM8731.
embeddedartists 0:0d5190d379d3 23 */
embeddedartists 0:0d5190d379d3 24 class WM8731 {
embeddedartists 0:0d5190d379d3 25 public:
embeddedartists 0:0d5190d379d3 26
embeddedartists 0:0d5190d379d3 27 /** Registers */
embeddedartists 0:0d5190d379d3 28 enum Register {
embeddedartists 0:0d5190d379d3 29 REG_R0_LEFT_LINE_IN = 0x00,
embeddedartists 0:0d5190d379d3 30 REG_R1_RIGHT_LINE_IN = 0x01,
embeddedartists 0:0d5190d379d3 31 REG_R2_LEFT_HP_OUT = 0x02,
embeddedartists 0:0d5190d379d3 32 REG_R3_RIGHT_HP_OUT = 0x03,
embeddedartists 0:0d5190d379d3 33 REG_R4_ANALOGUE_AUDIO_PATH_CONTROL = 0x04,
embeddedartists 0:0d5190d379d3 34 REG_R5_DIGITAL_AUDIO_PATH_CONTROL = 0x05,
embeddedartists 0:0d5190d379d3 35 REG_R6_POWER_DOWN_CONTROL = 0x06,
embeddedartists 0:0d5190d379d3 36 REG_R7_DIGITAL_AUDIO_INTERFACE_FORMAT = 0x07,
embeddedartists 0:0d5190d379d3 37 REG_R8_SAMPLING_CONTROL = 0x08,
embeddedartists 0:0d5190d379d3 38 REG_R9_ACTIVE_CONTROL = 0x09,
embeddedartists 0:0d5190d379d3 39 REG_R15_RESET = 0x0f
embeddedartists 0:0d5190d379d3 40 };
embeddedartists 0:0d5190d379d3 41
embeddedartists 0:0d5190d379d3 42 /**
embeddedartists 0:0d5190d379d3 43 * Create an interface to the WM8731 accelerometer
embeddedartists 0:0d5190d379d3 44 *
embeddedartists 0:0d5190d379d3 45 * @param sda I2C data line pin
embeddedartists 0:0d5190d379d3 46 * @param scl I2C clock line pin
embeddedartists 0:0d5190d379d3 47 */
embeddedartists 0:0d5190d379d3 48 WM8731(PinName sda, PinName scl);
embeddedartists 0:0d5190d379d3 49
embeddedartists 0:0d5190d379d3 50 /**
embeddedartists 0:0d5190d379d3 51 * Write data to the specified address.
embeddedartists 0:0d5190d379d3 52 *
embeddedartists 0:0d5190d379d3 53 * @param reg register to write to
embeddedartists 0:0d5190d379d3 54 * @param data data to write
embeddedartists 0:0d5190d379d3 55 *
embeddedartists 0:0d5190d379d3 56 * @return true if command was successful; otherwise false
embeddedartists 0:0d5190d379d3 57 */
embeddedartists 0:0d5190d379d3 58 bool writeCmd(Register reg, uint16_t data);
embeddedartists 0:0d5190d379d3 59
embeddedartists 0:0d5190d379d3 60 private:
embeddedartists 0:0d5190d379d3 61
embeddedartists 0:0d5190d379d3 62 I2C _i2c;
embeddedartists 0:0d5190d379d3 63 };
embeddedartists 0:0d5190d379d3 64
embeddedartists 0:0d5190d379d3 65 #endif
embeddedartists 0:0d5190d379d3 66
embeddedartists 0:0d5190d379d3 67