ST / BSP_DISCO_H747I

BSP files for STM32H747I-Discovery Copy from ST Cube delivery

Dependents:   DISCO_H747I_LCD_demo DISCO_H747I_AUDIO_demo

Components/wm8994/wm8994.c@0:146cf26a9bbb, 2019-09-25 (annotated)

Committer:
Jerome Coutant
Date:
Wed Sep 25 13:37:39 2019 +0200
Revision:
0:146cf26a9bbb
STM32Cube_FW_H7_V1.5.0 BSP STM32H747I-DISCO

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jerome Coutant 0:146cf26a9bbb 1 /**
Jerome Coutant 0:146cf26a9bbb 2 ******************************************************************************
Jerome Coutant 0:146cf26a9bbb 3 * @file wm8994.c
Jerome Coutant 0:146cf26a9bbb 4 * @author MCD Application Team
Jerome Coutant 0:146cf26a9bbb 5 * @version V2.1.0
Jerome Coutant 0:146cf26a9bbb 6 * @date 22-February-2016
Jerome Coutant 0:146cf26a9bbb 7 * @brief This file provides the WM8994 Audio Codec driver.
Jerome Coutant 0:146cf26a9bbb 8 ******************************************************************************
Jerome Coutant 0:146cf26a9bbb 9 * @attention
Jerome Coutant 0:146cf26a9bbb 10 *
Jerome Coutant 0:146cf26a9bbb 11 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
Jerome Coutant 0:146cf26a9bbb 12 *
Jerome Coutant 0:146cf26a9bbb 13 * Redistribution and use in source and binary forms, with or without modification,
Jerome Coutant 0:146cf26a9bbb 14 * are permitted provided that the following conditions are met:
Jerome Coutant 0:146cf26a9bbb 15 * 1. Redistributions of source code must retain the above copyright notice,
Jerome Coutant 0:146cf26a9bbb 16 * this list of conditions and the following disclaimer.
Jerome Coutant 0:146cf26a9bbb 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
Jerome Coutant 0:146cf26a9bbb 18 * this list of conditions and the following disclaimer in the documentation
Jerome Coutant 0:146cf26a9bbb 19 * and/or other materials provided with the distribution.
Jerome Coutant 0:146cf26a9bbb 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
Jerome Coutant 0:146cf26a9bbb 21 * may be used to endorse or promote products derived from this software
Jerome Coutant 0:146cf26a9bbb 22 * without specific prior written permission.
Jerome Coutant 0:146cf26a9bbb 23 *
Jerome Coutant 0:146cf26a9bbb 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Jerome Coutant 0:146cf26a9bbb 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Jerome Coutant 0:146cf26a9bbb 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Jerome Coutant 0:146cf26a9bbb 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
Jerome Coutant 0:146cf26a9bbb 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
Jerome Coutant 0:146cf26a9bbb 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
Jerome Coutant 0:146cf26a9bbb 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
Jerome Coutant 0:146cf26a9bbb 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
Jerome Coutant 0:146cf26a9bbb 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Jerome Coutant 0:146cf26a9bbb 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Jerome Coutant 0:146cf26a9bbb 34 *
Jerome Coutant 0:146cf26a9bbb 35 ******************************************************************************
Jerome Coutant 0:146cf26a9bbb 36 */
Jerome Coutant 0:146cf26a9bbb 37
Jerome Coutant 0:146cf26a9bbb 38 /* Includes ------------------------------------------------------------------*/
Jerome Coutant 0:146cf26a9bbb 39 #include "wm8994.h"
Jerome Coutant 0:146cf26a9bbb 40
Jerome Coutant 0:146cf26a9bbb 41 /** @addtogroup BSP
Jerome Coutant 0:146cf26a9bbb 42 * @{
Jerome Coutant 0:146cf26a9bbb 43 */
Jerome Coutant 0:146cf26a9bbb 44
Jerome Coutant 0:146cf26a9bbb 45 /** @addtogroup Components
Jerome Coutant 0:146cf26a9bbb 46 * @{
Jerome Coutant 0:146cf26a9bbb 47 */
Jerome Coutant 0:146cf26a9bbb 48
Jerome Coutant 0:146cf26a9bbb 49 /** @addtogroup wm8994
Jerome Coutant 0:146cf26a9bbb 50 * @brief This file provides a set of functions needed to drive the
Jerome Coutant 0:146cf26a9bbb 51 * WM8994 audio codec.
Jerome Coutant 0:146cf26a9bbb 52 * @{
Jerome Coutant 0:146cf26a9bbb 53 */
Jerome Coutant 0:146cf26a9bbb 54
Jerome Coutant 0:146cf26a9bbb 55 /** @defgroup WM8994_Private_Types
Jerome Coutant 0:146cf26a9bbb 56 * @{
Jerome Coutant 0:146cf26a9bbb 57 */
Jerome Coutant 0:146cf26a9bbb 58
Jerome Coutant 0:146cf26a9bbb 59 /**
Jerome Coutant 0:146cf26a9bbb 60 * @}
Jerome Coutant 0:146cf26a9bbb 61 */
Jerome Coutant 0:146cf26a9bbb 62
Jerome Coutant 0:146cf26a9bbb 63 /** @defgroup WM8994_Private_Defines
Jerome Coutant 0:146cf26a9bbb 64 * @{
Jerome Coutant 0:146cf26a9bbb 65 */
Jerome Coutant 0:146cf26a9bbb 66 /* Uncomment this line to enable verifying data sent to codec after each write
Jerome Coutant 0:146cf26a9bbb 67 operation (for debug purpose) */
Jerome Coutant 0:146cf26a9bbb 68 #if !defined (VERIFY_WRITTENDATA)
Jerome Coutant 0:146cf26a9bbb 69 /*#define VERIFY_WRITTENDATA*/
Jerome Coutant 0:146cf26a9bbb 70 #endif /* VERIFY_WRITTENDATA */
Jerome Coutant 0:146cf26a9bbb 71 /**
Jerome Coutant 0:146cf26a9bbb 72 * @}
Jerome Coutant 0:146cf26a9bbb 73 */
Jerome Coutant 0:146cf26a9bbb 74
Jerome Coutant 0:146cf26a9bbb 75 /** @defgroup WM8994_Private_Macros
Jerome Coutant 0:146cf26a9bbb 76 * @{
Jerome Coutant 0:146cf26a9bbb 77 */
Jerome Coutant 0:146cf26a9bbb 78
Jerome Coutant 0:146cf26a9bbb 79 /**
Jerome Coutant 0:146cf26a9bbb 80 * @}
Jerome Coutant 0:146cf26a9bbb 81 */
Jerome Coutant 0:146cf26a9bbb 82
Jerome Coutant 0:146cf26a9bbb 83 /** @defgroup WM8994_Private_Variables
Jerome Coutant 0:146cf26a9bbb 84 * @{
Jerome Coutant 0:146cf26a9bbb 85 */
Jerome Coutant 0:146cf26a9bbb 86
Jerome Coutant 0:146cf26a9bbb 87 /* Audio codec driver structure initialization */
Jerome Coutant 0:146cf26a9bbb 88 AUDIO_DrvTypeDef wm8994_drv =
Jerome Coutant 0:146cf26a9bbb 89 {
Jerome Coutant 0:146cf26a9bbb 90 wm8994_Init,
Jerome Coutant 0:146cf26a9bbb 91 wm8994_DeInit,
Jerome Coutant 0:146cf26a9bbb 92 wm8994_ReadID,
Jerome Coutant 0:146cf26a9bbb 93
Jerome Coutant 0:146cf26a9bbb 94 wm8994_Play,
Jerome Coutant 0:146cf26a9bbb 95 wm8994_Pause,
Jerome Coutant 0:146cf26a9bbb 96 wm8994_Resume,
Jerome Coutant 0:146cf26a9bbb 97 wm8994_Stop,
Jerome Coutant 0:146cf26a9bbb 98
Jerome Coutant 0:146cf26a9bbb 99 wm8994_SetFrequency,
Jerome Coutant 0:146cf26a9bbb 100 wm8994_SetVolume,
Jerome Coutant 0:146cf26a9bbb 101 wm8994_SetMute,
Jerome Coutant 0:146cf26a9bbb 102 wm8994_SetOutputMode,
Jerome Coutant 0:146cf26a9bbb 103
Jerome Coutant 0:146cf26a9bbb 104 wm8994_Reset
Jerome Coutant 0:146cf26a9bbb 105 };
Jerome Coutant 0:146cf26a9bbb 106
Jerome Coutant 0:146cf26a9bbb 107 static uint32_t outputEnabled = 0;
Jerome Coutant 0:146cf26a9bbb 108 static uint32_t inputEnabled = 0;
Jerome Coutant 0:146cf26a9bbb 109 /**
Jerome Coutant 0:146cf26a9bbb 110 * @}
Jerome Coutant 0:146cf26a9bbb 111 */
Jerome Coutant 0:146cf26a9bbb 112
Jerome Coutant 0:146cf26a9bbb 113 /** @defgroup WM8994_Function_Prototypes
Jerome Coutant 0:146cf26a9bbb 114 * @{
Jerome Coutant 0:146cf26a9bbb 115 */
Jerome Coutant 0:146cf26a9bbb 116 static uint8_t CODEC_IO_Write(uint8_t Addr, uint16_t Reg, uint16_t Value);
Jerome Coutant 0:146cf26a9bbb 117 /**
Jerome Coutant 0:146cf26a9bbb 118 * @}
Jerome Coutant 0:146cf26a9bbb 119 */
Jerome Coutant 0:146cf26a9bbb 120
Jerome Coutant 0:146cf26a9bbb 121 /** @defgroup WM8994_Private_Functions
Jerome Coutant 0:146cf26a9bbb 122 * @{
Jerome Coutant 0:146cf26a9bbb 123 */
Jerome Coutant 0:146cf26a9bbb 124
Jerome Coutant 0:146cf26a9bbb 125 /**
Jerome Coutant 0:146cf26a9bbb 126 * @brief Initializes the audio codec and the control interface.
Jerome Coutant 0:146cf26a9bbb 127 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:146cf26a9bbb 128 * @param OutputInputDevice: can be OUTPUT_DEVICE_SPEAKER, OUTPUT_DEVICE_HEADPHONE,
Jerome Coutant 0:146cf26a9bbb 129 * OUTPUT_DEVICE_BOTH, OUTPUT_DEVICE_AUTO, INPUT_DEVICE_DIGITAL_MICROPHONE_1,
Jerome Coutant 0:146cf26a9bbb 130 * INPUT_DEVICE_DIGITAL_MICROPHONE_2, INPUT_DEVICE_DIGITAL_MIC1_MIC2,
Jerome Coutant 0:146cf26a9bbb 131 * INPUT_DEVICE_INPUT_LINE_1 or INPUT_DEVICE_INPUT_LINE_2.
Jerome Coutant 0:146cf26a9bbb 132 * @param Volume: Initial volume level (from 0 (Mute) to 100 (Max))
Jerome Coutant 0:146cf26a9bbb 133 * @param AudioFreq: Audio Frequency
Jerome Coutant 0:146cf26a9bbb 134 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:146cf26a9bbb 135 */
Jerome Coutant 0:146cf26a9bbb 136 uint32_t wm8994_Init(uint16_t DeviceAddr, uint16_t OutputInputDevice, uint8_t Volume, uint32_t AudioFreq)
Jerome Coutant 0:146cf26a9bbb 137 {
Jerome Coutant 0:146cf26a9bbb 138 uint32_t counter = 0;
Jerome Coutant 0:146cf26a9bbb 139 uint16_t output_device = OutputInputDevice & 0xFF;
Jerome Coutant 0:146cf26a9bbb 140 uint16_t input_device = OutputInputDevice & 0xFF00;
Jerome Coutant 0:146cf26a9bbb 141 uint16_t power_mgnt_reg_1 = 0;
Jerome Coutant 0:146cf26a9bbb 142
Jerome Coutant 0:146cf26a9bbb 143 /* Initialize the Control interface of the Audio Codec */
Jerome Coutant 0:146cf26a9bbb 144 AUDIO_IO_Init();
Jerome Coutant 0:146cf26a9bbb 145 /* wm8994 Errata Work-Arounds */
Jerome Coutant 0:146cf26a9bbb 146 counter += CODEC_IO_Write(DeviceAddr, 0x102, 0x0003);
Jerome Coutant 0:146cf26a9bbb 147 counter += CODEC_IO_Write(DeviceAddr, 0x817, 0x0000);
Jerome Coutant 0:146cf26a9bbb 148 counter += CODEC_IO_Write(DeviceAddr, 0x102, 0x0000);
Jerome Coutant 0:146cf26a9bbb 149
Jerome Coutant 0:146cf26a9bbb 150 /* Enable VMID soft start (fast), Start-up Bias Current Enabled */
Jerome Coutant 0:146cf26a9bbb 151 counter += CODEC_IO_Write(DeviceAddr, 0x39, 0x006C);
Jerome Coutant 0:146cf26a9bbb 152
Jerome Coutant 0:146cf26a9bbb 153 /* Enable bias generator, Enable VMID */
Jerome Coutant 0:146cf26a9bbb 154 if (input_device > 0)
Jerome Coutant 0:146cf26a9bbb 155 {
Jerome Coutant 0:146cf26a9bbb 156 counter += CODEC_IO_Write(DeviceAddr, 0x01, 0x0013);
Jerome Coutant 0:146cf26a9bbb 157 }
Jerome Coutant 0:146cf26a9bbb 158 else
Jerome Coutant 0:146cf26a9bbb 159 {
Jerome Coutant 0:146cf26a9bbb 160 counter += CODEC_IO_Write(DeviceAddr, 0x01, 0x0003);
Jerome Coutant 0:146cf26a9bbb 161 }
Jerome Coutant 0:146cf26a9bbb 162
Jerome Coutant 0:146cf26a9bbb 163 /* Add Delay */
Jerome Coutant 0:146cf26a9bbb 164 AUDIO_IO_Delay(50);
Jerome Coutant 0:146cf26a9bbb 165
Jerome Coutant 0:146cf26a9bbb 166 /* Path Configurations for output */
Jerome Coutant 0:146cf26a9bbb 167 if (output_device > 0)
Jerome Coutant 0:146cf26a9bbb 168 {
Jerome Coutant 0:146cf26a9bbb 169 outputEnabled = 1;
Jerome Coutant 0:146cf26a9bbb 170 switch (output_device)
Jerome Coutant 0:146cf26a9bbb 171 {
Jerome Coutant 0:146cf26a9bbb 172 case OUTPUT_DEVICE_SPEAKER:
Jerome Coutant 0:146cf26a9bbb 173 /* Enable DAC1 (Left), Enable DAC1 (Right),
Jerome Coutant 0:146cf26a9bbb 174 Disable DAC2 (Left), Disable DAC2 (Right)*/
Jerome Coutant 0:146cf26a9bbb 175 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0C0C);
Jerome Coutant 0:146cf26a9bbb 176
Jerome Coutant 0:146cf26a9bbb 177 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 178 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0000);
Jerome Coutant 0:146cf26a9bbb 179
Jerome Coutant 0:146cf26a9bbb 180 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 181 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0000);
Jerome Coutant 0:146cf26a9bbb 182
Jerome Coutant 0:146cf26a9bbb 183 /* Disable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 184 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0002);
Jerome Coutant 0:146cf26a9bbb 185
Jerome Coutant 0:146cf26a9bbb 186 /* Disable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 187 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0002);
Jerome Coutant 0:146cf26a9bbb 188 break;
Jerome Coutant 0:146cf26a9bbb 189
Jerome Coutant 0:146cf26a9bbb 190 case OUTPUT_DEVICE_HEADPHONE:
Jerome Coutant 0:146cf26a9bbb 191 /* Disable DAC1 (Left), Disable DAC1 (Right),
Jerome Coutant 0:146cf26a9bbb 192 Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:146cf26a9bbb 193 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303);
Jerome Coutant 0:146cf26a9bbb 194
Jerome Coutant 0:146cf26a9bbb 195 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 196 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0001);
Jerome Coutant 0:146cf26a9bbb 197
Jerome Coutant 0:146cf26a9bbb 198 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 199 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0001);
Jerome Coutant 0:146cf26a9bbb 200
Jerome Coutant 0:146cf26a9bbb 201 /* Disable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 202 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0000);
Jerome Coutant 0:146cf26a9bbb 203
Jerome Coutant 0:146cf26a9bbb 204 /* Disable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 205 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0000);
Jerome Coutant 0:146cf26a9bbb 206 break;
Jerome Coutant 0:146cf26a9bbb 207
Jerome Coutant 0:146cf26a9bbb 208 case OUTPUT_DEVICE_BOTH:
Jerome Coutant 0:146cf26a9bbb 209 if (input_device == INPUT_DEVICE_DIGITAL_MIC1_MIC2)
Jerome Coutant 0:146cf26a9bbb 210 {
Jerome Coutant 0:146cf26a9bbb 211 /* Enable DAC1 (Left), Enable DAC1 (Right),
Jerome Coutant 0:146cf26a9bbb 212 also Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:146cf26a9bbb 213 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303 | 0x0C0C);
Jerome Coutant 0:146cf26a9bbb 214
Jerome Coutant 0:146cf26a9bbb 215 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path
Jerome Coutant 0:146cf26a9bbb 216 Enable the AIF1 Timeslot 1 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 217 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0003);
Jerome Coutant 0:146cf26a9bbb 218
Jerome Coutant 0:146cf26a9bbb 219 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path
Jerome Coutant 0:146cf26a9bbb 220 Enable the AIF1 Timeslot 1 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 221 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0003);
Jerome Coutant 0:146cf26a9bbb 222
Jerome Coutant 0:146cf26a9bbb 223 /* Enable the AIF1 Timeslot 0 (Left) to DAC 2 (Left) mixer path
Jerome Coutant 0:146cf26a9bbb 224 Enable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 225 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0003);
Jerome Coutant 0:146cf26a9bbb 226
Jerome Coutant 0:146cf26a9bbb 227 /* Enable the AIF1 Timeslot 0 (Right) to DAC 2 (Right) mixer path
Jerome Coutant 0:146cf26a9bbb 228 Enable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 229 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0003);
Jerome Coutant 0:146cf26a9bbb 230 }
Jerome Coutant 0:146cf26a9bbb 231 else
Jerome Coutant 0:146cf26a9bbb 232 {
Jerome Coutant 0:146cf26a9bbb 233 /* Enable DAC1 (Left), Enable DAC1 (Right),
Jerome Coutant 0:146cf26a9bbb 234 also Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:146cf26a9bbb 235 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303 | 0x0C0C);
Jerome Coutant 0:146cf26a9bbb 236
Jerome Coutant 0:146cf26a9bbb 237 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 238 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0001);
Jerome Coutant 0:146cf26a9bbb 239
Jerome Coutant 0:146cf26a9bbb 240 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 241 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0001);
Jerome Coutant 0:146cf26a9bbb 242
Jerome Coutant 0:146cf26a9bbb 243 /* Enable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 244 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0002);
Jerome Coutant 0:146cf26a9bbb 245
Jerome Coutant 0:146cf26a9bbb 246 /* Enable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 247 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0002);
Jerome Coutant 0:146cf26a9bbb 248 }
Jerome Coutant 0:146cf26a9bbb 249 break;
Jerome Coutant 0:146cf26a9bbb 250
Jerome Coutant 0:146cf26a9bbb 251 case OUTPUT_DEVICE_AUTO :
Jerome Coutant 0:146cf26a9bbb 252 default:
Jerome Coutant 0:146cf26a9bbb 253 /* Disable DAC1 (Left), Disable DAC1 (Right),
Jerome Coutant 0:146cf26a9bbb 254 Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:146cf26a9bbb 255 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303);
Jerome Coutant 0:146cf26a9bbb 256
Jerome Coutant 0:146cf26a9bbb 257 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 258 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0001);
Jerome Coutant 0:146cf26a9bbb 259
Jerome Coutant 0:146cf26a9bbb 260 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 261 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0001);
Jerome Coutant 0:146cf26a9bbb 262
Jerome Coutant 0:146cf26a9bbb 263 /* Disable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 264 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0000);
Jerome Coutant 0:146cf26a9bbb 265
Jerome Coutant 0:146cf26a9bbb 266 /* Disable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 267 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0000);
Jerome Coutant 0:146cf26a9bbb 268 break;
Jerome Coutant 0:146cf26a9bbb 269 }
Jerome Coutant 0:146cf26a9bbb 270 }
Jerome Coutant 0:146cf26a9bbb 271 else
Jerome Coutant 0:146cf26a9bbb 272 {
Jerome Coutant 0:146cf26a9bbb 273 outputEnabled = 0;
Jerome Coutant 0:146cf26a9bbb 274 }
Jerome Coutant 0:146cf26a9bbb 275
Jerome Coutant 0:146cf26a9bbb 276 /* Path Configurations for input */
Jerome Coutant 0:146cf26a9bbb 277 if (input_device > 0)
Jerome Coutant 0:146cf26a9bbb 278 {
Jerome Coutant 0:146cf26a9bbb 279 inputEnabled = 1;
Jerome Coutant 0:146cf26a9bbb 280 switch (input_device)
Jerome Coutant 0:146cf26a9bbb 281 {
Jerome Coutant 0:146cf26a9bbb 282 case INPUT_DEVICE_DIGITAL_MICROPHONE_2 :
Jerome Coutant 0:146cf26a9bbb 283 /* Enable AIF1ADC2 (Left), Enable AIF1ADC2 (Right)
Jerome Coutant 0:146cf26a9bbb 284 * Enable DMICDAT2 (Left), Enable DMICDAT2 (Right)
Jerome Coutant 0:146cf26a9bbb 285 * Enable Left ADC, Enable Right ADC */
Jerome Coutant 0:146cf26a9bbb 286 counter += CODEC_IO_Write(DeviceAddr, 0x04, 0x0C30);
Jerome Coutant 0:146cf26a9bbb 287
Jerome Coutant 0:146cf26a9bbb 288 /* Enable AIF1 DRC2 Signal Detect & DRC in AIF1ADC2 Left/Right Timeslot 1 */
Jerome Coutant 0:146cf26a9bbb 289 counter += CODEC_IO_Write(DeviceAddr, 0x450, 0x00DB);
Jerome Coutant 0:146cf26a9bbb 290
Jerome Coutant 0:146cf26a9bbb 291 /* Disable IN1L, IN1R, IN2L, IN2R, Enable Thermal sensor & shutdown */
Jerome Coutant 0:146cf26a9bbb 292 counter += CODEC_IO_Write(DeviceAddr, 0x02, 0x6000);
Jerome Coutant 0:146cf26a9bbb 293
Jerome Coutant 0:146cf26a9bbb 294 /* Enable the DMIC2(Left) to AIF1 Timeslot 1 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 295 counter += CODEC_IO_Write(DeviceAddr, 0x608, 0x0002);
Jerome Coutant 0:146cf26a9bbb 296
Jerome Coutant 0:146cf26a9bbb 297 /* Enable the DMIC2(Right) to AIF1 Timeslot 1 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 298 counter += CODEC_IO_Write(DeviceAddr, 0x609, 0x0002);
Jerome Coutant 0:146cf26a9bbb 299
Jerome Coutant 0:146cf26a9bbb 300 /* GPIO1 pin configuration GP1_DIR = output, GP1_FN = AIF1 DRC2 signal detect */
Jerome Coutant 0:146cf26a9bbb 301 counter += CODEC_IO_Write(DeviceAddr, 0x700, 0x000E);
Jerome Coutant 0:146cf26a9bbb 302 break;
Jerome Coutant 0:146cf26a9bbb 303
Jerome Coutant 0:146cf26a9bbb 304 case INPUT_DEVICE_INPUT_LINE_1 :
Jerome Coutant 0:146cf26a9bbb 305 /* IN1LN_TO_IN1L, IN1LP_TO_VMID, IN1RN_TO_IN1R, IN1RP_TO_VMID */
Jerome Coutant 0:146cf26a9bbb 306 counter += CODEC_IO_Write(DeviceAddr, 0x28, 0x0011);
Jerome Coutant 0:146cf26a9bbb 307
Jerome Coutant 0:146cf26a9bbb 308 /* Disable mute on IN1L_TO_MIXINL and +30dB on IN1L PGA output */
Jerome Coutant 0:146cf26a9bbb 309 counter += CODEC_IO_Write(DeviceAddr, 0x29, 0x0035);
Jerome Coutant 0:146cf26a9bbb 310
Jerome Coutant 0:146cf26a9bbb 311 /* Disable mute on IN1R_TO_MIXINL, Gain = +30dB */
Jerome Coutant 0:146cf26a9bbb 312 counter += CODEC_IO_Write(DeviceAddr, 0x2A, 0x0035);
Jerome Coutant 0:146cf26a9bbb 313
Jerome Coutant 0:146cf26a9bbb 314 /* Enable AIF1ADC1 (Left), Enable AIF1ADC1 (Right)
Jerome Coutant 0:146cf26a9bbb 315 * Enable Left ADC, Enable Right ADC */
Jerome Coutant 0:146cf26a9bbb 316 counter += CODEC_IO_Write(DeviceAddr, 0x04, 0x0303);
Jerome Coutant 0:146cf26a9bbb 317
Jerome Coutant 0:146cf26a9bbb 318 /* Enable AIF1 DRC1 Signal Detect & DRC in AIF1ADC1 Left/Right Timeslot 0 */
Jerome Coutant 0:146cf26a9bbb 319 counter += CODEC_IO_Write(DeviceAddr, 0x440, 0x00DB);
Jerome Coutant 0:146cf26a9bbb 320
Jerome Coutant 0:146cf26a9bbb 321 /* Enable IN1L and IN1R, Disable IN2L and IN2R, Enable Thermal sensor & shutdown */
Jerome Coutant 0:146cf26a9bbb 322 counter += CODEC_IO_Write(DeviceAddr, 0x02, 0x6350);
Jerome Coutant 0:146cf26a9bbb 323
Jerome Coutant 0:146cf26a9bbb 324 /* Enable the ADCL(Left) to AIF1 Timeslot 0 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 325 counter += CODEC_IO_Write(DeviceAddr, 0x606, 0x0002);
Jerome Coutant 0:146cf26a9bbb 326
Jerome Coutant 0:146cf26a9bbb 327 /* Enable the ADCR(Right) to AIF1 Timeslot 0 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 328 counter += CODEC_IO_Write(DeviceAddr, 0x607, 0x0002);
Jerome Coutant 0:146cf26a9bbb 329
Jerome Coutant 0:146cf26a9bbb 330 /* GPIO1 pin configuration GP1_DIR = output, GP1_FN = AIF1 DRC1 signal detect */
Jerome Coutant 0:146cf26a9bbb 331 counter += CODEC_IO_Write(DeviceAddr, 0x700, 0x000D);
Jerome Coutant 0:146cf26a9bbb 332 break;
Jerome Coutant 0:146cf26a9bbb 333
Jerome Coutant 0:146cf26a9bbb 334 case INPUT_DEVICE_DIGITAL_MICROPHONE_1 :
Jerome Coutant 0:146cf26a9bbb 335 /* Enable AIF1ADC1 (Left), Enable AIF1ADC1 (Right)
Jerome Coutant 0:146cf26a9bbb 336 * Enable DMICDAT1 (Left), Enable DMICDAT1 (Right)
Jerome Coutant 0:146cf26a9bbb 337 * Enable Left ADC, Enable Right ADC */
Jerome Coutant 0:146cf26a9bbb 338 counter += CODEC_IO_Write(DeviceAddr, 0x04, 0x030C);
Jerome Coutant 0:146cf26a9bbb 339
Jerome Coutant 0:146cf26a9bbb 340 /* Enable AIF1 DRC2 Signal Detect & DRC in AIF1ADC1 Left/Right Timeslot 0 */
Jerome Coutant 0:146cf26a9bbb 341 counter += CODEC_IO_Write(DeviceAddr, 0x440, 0x00DB);
Jerome Coutant 0:146cf26a9bbb 342
Jerome Coutant 0:146cf26a9bbb 343 /* Disable IN1L, IN1R, IN2L, IN2R, Enable Thermal sensor & shutdown */
Jerome Coutant 0:146cf26a9bbb 344 counter += CODEC_IO_Write(DeviceAddr, 0x02, 0x6350);
Jerome Coutant 0:146cf26a9bbb 345
Jerome Coutant 0:146cf26a9bbb 346 /* Enable the DMIC2(Left) to AIF1 Timeslot 0 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 347 counter += CODEC_IO_Write(DeviceAddr, 0x606, 0x0002);
Jerome Coutant 0:146cf26a9bbb 348
Jerome Coutant 0:146cf26a9bbb 349 /* Enable the DMIC2(Right) to AIF1 Timeslot 0 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 350 counter += CODEC_IO_Write(DeviceAddr, 0x607, 0x0002);
Jerome Coutant 0:146cf26a9bbb 351
Jerome Coutant 0:146cf26a9bbb 352 /* GPIO1 pin configuration GP1_DIR = output, GP1_FN = AIF1 DRC1 signal detect */
Jerome Coutant 0:146cf26a9bbb 353 counter += CODEC_IO_Write(DeviceAddr, 0x700, 0x000D);
Jerome Coutant 0:146cf26a9bbb 354 break;
Jerome Coutant 0:146cf26a9bbb 355 case INPUT_DEVICE_DIGITAL_MIC1_MIC2 :
Jerome Coutant 0:146cf26a9bbb 356 /* Enable AIF1ADC1 (Left), Enable AIF1ADC1 (Right)
Jerome Coutant 0:146cf26a9bbb 357 * Enable DMICDAT1 (Left), Enable DMICDAT1 (Right)
Jerome Coutant 0:146cf26a9bbb 358 * Enable Left ADC, Enable Right ADC */
Jerome Coutant 0:146cf26a9bbb 359 counter += CODEC_IO_Write(DeviceAddr, 0x04, 0x0F3C);
Jerome Coutant 0:146cf26a9bbb 360
Jerome Coutant 0:146cf26a9bbb 361 /* Enable AIF1 DRC2 Signal Detect & DRC in AIF1ADC2 Left/Right Timeslot 1 */
Jerome Coutant 0:146cf26a9bbb 362 counter += CODEC_IO_Write(DeviceAddr, 0x450, 0x00DB);
Jerome Coutant 0:146cf26a9bbb 363
Jerome Coutant 0:146cf26a9bbb 364 /* Enable AIF1 DRC2 Signal Detect & DRC in AIF1ADC1 Left/Right Timeslot 0 */
Jerome Coutant 0:146cf26a9bbb 365 counter += CODEC_IO_Write(DeviceAddr, 0x440, 0x00DB);
Jerome Coutant 0:146cf26a9bbb 366
Jerome Coutant 0:146cf26a9bbb 367 /* Disable IN1L, IN1R, Enable IN2L, IN2R, Thermal sensor & shutdown */
Jerome Coutant 0:146cf26a9bbb 368 counter += CODEC_IO_Write(DeviceAddr, 0x02, 0x63A0);
Jerome Coutant 0:146cf26a9bbb 369
Jerome Coutant 0:146cf26a9bbb 370 /* Enable the DMIC2(Left) to AIF1 Timeslot 0 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 371 counter += CODEC_IO_Write(DeviceAddr, 0x606, 0x0002);
Jerome Coutant 0:146cf26a9bbb 372
Jerome Coutant 0:146cf26a9bbb 373 /* Enable the DMIC2(Right) to AIF1 Timeslot 0 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 374 counter += CODEC_IO_Write(DeviceAddr, 0x607, 0x0002);
Jerome Coutant 0:146cf26a9bbb 375
Jerome Coutant 0:146cf26a9bbb 376 /* Enable the DMIC2(Left) to AIF1 Timeslot 1 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 377 counter += CODEC_IO_Write(DeviceAddr, 0x608, 0x0002);
Jerome Coutant 0:146cf26a9bbb 378
Jerome Coutant 0:146cf26a9bbb 379 /* Enable the DMIC2(Right) to AIF1 Timeslot 1 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 380 counter += CODEC_IO_Write(DeviceAddr, 0x609, 0x0002);
Jerome Coutant 0:146cf26a9bbb 381
Jerome Coutant 0:146cf26a9bbb 382 /* GPIO1 pin configuration GP1_DIR = output, GP1_FN = AIF1 DRC1 signal detect */
Jerome Coutant 0:146cf26a9bbb 383 counter += CODEC_IO_Write(DeviceAddr, 0x700, 0x000D);
Jerome Coutant 0:146cf26a9bbb 384 break;
Jerome Coutant 0:146cf26a9bbb 385 case INPUT_DEVICE_INPUT_LINE_2 :
Jerome Coutant 0:146cf26a9bbb 386 default:
Jerome Coutant 0:146cf26a9bbb 387 /* Actually, no other input devices supported */
Jerome Coutant 0:146cf26a9bbb 388 counter++;
Jerome Coutant 0:146cf26a9bbb 389 break;
Jerome Coutant 0:146cf26a9bbb 390 }
Jerome Coutant 0:146cf26a9bbb 391 }
Jerome Coutant 0:146cf26a9bbb 392 else
Jerome Coutant 0:146cf26a9bbb 393 {
Jerome Coutant 0:146cf26a9bbb 394 inputEnabled = 0;
Jerome Coutant 0:146cf26a9bbb 395 }
Jerome Coutant 0:146cf26a9bbb 396
Jerome Coutant 0:146cf26a9bbb 397 /* Clock Configurations */
Jerome Coutant 0:146cf26a9bbb 398 switch (AudioFreq)
Jerome Coutant 0:146cf26a9bbb 399 {
Jerome Coutant 0:146cf26a9bbb 400 case AUDIO_FREQUENCY_8K:
Jerome Coutant 0:146cf26a9bbb 401 /* AIF1 Sample Rate = 8 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 402 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0003);
Jerome Coutant 0:146cf26a9bbb 403 break;
Jerome Coutant 0:146cf26a9bbb 404
Jerome Coutant 0:146cf26a9bbb 405 case AUDIO_FREQUENCY_16K:
Jerome Coutant 0:146cf26a9bbb 406 /* AIF1 Sample Rate = 16 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 407 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0033);
Jerome Coutant 0:146cf26a9bbb 408 break;
Jerome Coutant 0:146cf26a9bbb 409
Jerome Coutant 0:146cf26a9bbb 410 case AUDIO_FREQUENCY_32K:
Jerome Coutant 0:146cf26a9bbb 411 /* AIF1 Sample Rate = 32 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 412 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0063);
Jerome Coutant 0:146cf26a9bbb 413 break;
Jerome Coutant 0:146cf26a9bbb 414
Jerome Coutant 0:146cf26a9bbb 415 case AUDIO_FREQUENCY_48K:
Jerome Coutant 0:146cf26a9bbb 416 /* AIF1 Sample Rate = 48 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 417 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0083);
Jerome Coutant 0:146cf26a9bbb 418 break;
Jerome Coutant 0:146cf26a9bbb 419
Jerome Coutant 0:146cf26a9bbb 420 case AUDIO_FREQUENCY_96K:
Jerome Coutant 0:146cf26a9bbb 421 /* AIF1 Sample Rate = 96 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 422 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x00A3);
Jerome Coutant 0:146cf26a9bbb 423 break;
Jerome Coutant 0:146cf26a9bbb 424
Jerome Coutant 0:146cf26a9bbb 425 case AUDIO_FREQUENCY_11K:
Jerome Coutant 0:146cf26a9bbb 426 /* AIF1 Sample Rate = 11.025 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 427 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0013);
Jerome Coutant 0:146cf26a9bbb 428 break;
Jerome Coutant 0:146cf26a9bbb 429
Jerome Coutant 0:146cf26a9bbb 430 case AUDIO_FREQUENCY_22K:
Jerome Coutant 0:146cf26a9bbb 431 /* AIF1 Sample Rate = 22.050 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 432 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0043);
Jerome Coutant 0:146cf26a9bbb 433 break;
Jerome Coutant 0:146cf26a9bbb 434
Jerome Coutant 0:146cf26a9bbb 435 case AUDIO_FREQUENCY_44K:
Jerome Coutant 0:146cf26a9bbb 436 /* AIF1 Sample Rate = 44.1 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 437 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0073);
Jerome Coutant 0:146cf26a9bbb 438 break;
Jerome Coutant 0:146cf26a9bbb 439
Jerome Coutant 0:146cf26a9bbb 440 default:
Jerome Coutant 0:146cf26a9bbb 441 /* AIF1 Sample Rate = 48 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 442 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0083);
Jerome Coutant 0:146cf26a9bbb 443 break;
Jerome Coutant 0:146cf26a9bbb 444 }
Jerome Coutant 0:146cf26a9bbb 445
Jerome Coutant 0:146cf26a9bbb 446 if(input_device == INPUT_DEVICE_DIGITAL_MIC1_MIC2)
Jerome Coutant 0:146cf26a9bbb 447 {
Jerome Coutant 0:146cf26a9bbb 448 /* AIF1 Word Length = 16-bits, AIF1 Format = DSP mode */
Jerome Coutant 0:146cf26a9bbb 449 counter += CODEC_IO_Write(DeviceAddr, 0x300, 0x4018);
Jerome Coutant 0:146cf26a9bbb 450 }
Jerome Coutant 0:146cf26a9bbb 451 else
Jerome Coutant 0:146cf26a9bbb 452 {
Jerome Coutant 0:146cf26a9bbb 453 /* AIF1 Word Length = 16-bits, AIF1 Format = I2S (Default Register Value) */
Jerome Coutant 0:146cf26a9bbb 454 counter += CODEC_IO_Write(DeviceAddr, 0x300, 0x4010);
Jerome Coutant 0:146cf26a9bbb 455 }
Jerome Coutant 0:146cf26a9bbb 456
Jerome Coutant 0:146cf26a9bbb 457 /* slave mode */
Jerome Coutant 0:146cf26a9bbb 458 counter += CODEC_IO_Write(DeviceAddr, 0x302, 0x0000);
Jerome Coutant 0:146cf26a9bbb 459
Jerome Coutant 0:146cf26a9bbb 460 /* Enable the DSP processing clock for AIF1, Enable the core clock */
Jerome Coutant 0:146cf26a9bbb 461 counter += CODEC_IO_Write(DeviceAddr, 0x208, 0x000A);
Jerome Coutant 0:146cf26a9bbb 462
Jerome Coutant 0:146cf26a9bbb 463 /* Enable AIF1 Clock, AIF1 Clock Source = MCLK1 pin */
Jerome Coutant 0:146cf26a9bbb 464 counter += CODEC_IO_Write(DeviceAddr, 0x200, 0x0001);
Jerome Coutant 0:146cf26a9bbb 465
Jerome Coutant 0:146cf26a9bbb 466 if (output_device > 0) /* Audio output selected */
Jerome Coutant 0:146cf26a9bbb 467 {
Jerome Coutant 0:146cf26a9bbb 468 /* Analog Output Configuration */
Jerome Coutant 0:146cf26a9bbb 469
Jerome Coutant 0:146cf26a9bbb 470 /* Enable SPKRVOL PGA, Enable SPKMIXR, Enable SPKLVOL PGA, Enable SPKMIXL */
Jerome Coutant 0:146cf26a9bbb 471 counter += CODEC_IO_Write(DeviceAddr, 0x03, 0x0300);
Jerome Coutant 0:146cf26a9bbb 472
Jerome Coutant 0:146cf26a9bbb 473 /* Left Speaker Mixer Volume = 0dB */
Jerome Coutant 0:146cf26a9bbb 474 counter += CODEC_IO_Write(DeviceAddr, 0x22, 0x0000);
Jerome Coutant 0:146cf26a9bbb 475
Jerome Coutant 0:146cf26a9bbb 476 /* Speaker output mode = Class D, Right Speaker Mixer Volume = 0dB ((0x23, 0x0100) = class AB)*/
Jerome Coutant 0:146cf26a9bbb 477 counter += CODEC_IO_Write(DeviceAddr, 0x23, 0x0000);
Jerome Coutant 0:146cf26a9bbb 478
Jerome Coutant 0:146cf26a9bbb 479 /* Unmute DAC2 (Left) to Left Speaker Mixer (SPKMIXL) path,
Jerome Coutant 0:146cf26a9bbb 480 Unmute DAC2 (Right) to Right Speaker Mixer (SPKMIXR) path */
Jerome Coutant 0:146cf26a9bbb 481 counter += CODEC_IO_Write(DeviceAddr, 0x36, 0x0300);
Jerome Coutant 0:146cf26a9bbb 482
Jerome Coutant 0:146cf26a9bbb 483 /* Enable bias generator, Enable VMID, Enable SPKOUTL, Enable SPKOUTR */
Jerome Coutant 0:146cf26a9bbb 484 counter += CODEC_IO_Write(DeviceAddr, 0x01, 0x3003);
Jerome Coutant 0:146cf26a9bbb 485
Jerome Coutant 0:146cf26a9bbb 486 /* Headphone/Speaker Enable */
Jerome Coutant 0:146cf26a9bbb 487
Jerome Coutant 0:146cf26a9bbb 488 if (input_device == INPUT_DEVICE_DIGITAL_MIC1_MIC2)
Jerome Coutant 0:146cf26a9bbb 489 {
Jerome Coutant 0:146cf26a9bbb 490 /* Enable Class W, Class W Envelope Tracking = AIF1 Timeslots 0 and 1 */
Jerome Coutant 0:146cf26a9bbb 491 counter += CODEC_IO_Write(DeviceAddr, 0x51, 0x0205);
Jerome Coutant 0:146cf26a9bbb 492 }
Jerome Coutant 0:146cf26a9bbb 493 else
Jerome Coutant 0:146cf26a9bbb 494 {
Jerome Coutant 0:146cf26a9bbb 495 /* Enable Class W, Class W Envelope Tracking = AIF1 Timeslot 0 */
Jerome Coutant 0:146cf26a9bbb 496 counter += CODEC_IO_Write(DeviceAddr, 0x51, 0x0005);
Jerome Coutant 0:146cf26a9bbb 497 }
Jerome Coutant 0:146cf26a9bbb 498
Jerome Coutant 0:146cf26a9bbb 499 /* Enable bias generator, Enable VMID, Enable HPOUT1 (Left) and Enable HPOUT1 (Right) input stages */
Jerome Coutant 0:146cf26a9bbb 500 /* idem for Speaker */
Jerome Coutant 0:146cf26a9bbb 501 power_mgnt_reg_1 |= 0x0303 | 0x3003;
Jerome Coutant 0:146cf26a9bbb 502 counter += CODEC_IO_Write(DeviceAddr, 0x01, power_mgnt_reg_1);
Jerome Coutant 0:146cf26a9bbb 503
Jerome Coutant 0:146cf26a9bbb 504 /* Enable HPOUT1 (Left) and HPOUT1 (Right) intermediate stages */
Jerome Coutant 0:146cf26a9bbb 505 counter += CODEC_IO_Write(DeviceAddr, 0x60, 0x0022);
Jerome Coutant 0:146cf26a9bbb 506
Jerome Coutant 0:146cf26a9bbb 507 /* Enable Charge Pump */
Jerome Coutant 0:146cf26a9bbb 508 counter += CODEC_IO_Write(DeviceAddr, 0x4C, 0x9F25);
Jerome Coutant 0:146cf26a9bbb 509
Jerome Coutant 0:146cf26a9bbb 510 /* Add Delay */
Jerome Coutant 0:146cf26a9bbb 511 AUDIO_IO_Delay(15);
Jerome Coutant 0:146cf26a9bbb 512
Jerome Coutant 0:146cf26a9bbb 513 /* Select DAC1 (Left) to Left Headphone Output PGA (HPOUT1LVOL) path */
Jerome Coutant 0:146cf26a9bbb 514 counter += CODEC_IO_Write(DeviceAddr, 0x2D, 0x0001);
Jerome Coutant 0:146cf26a9bbb 515
Jerome Coutant 0:146cf26a9bbb 516 /* Select DAC1 (Right) to Right Headphone Output PGA (HPOUT1RVOL) path */
Jerome Coutant 0:146cf26a9bbb 517 counter += CODEC_IO_Write(DeviceAddr, 0x2E, 0x0001);
Jerome Coutant 0:146cf26a9bbb 518
Jerome Coutant 0:146cf26a9bbb 519 /* Enable Left Output Mixer (MIXOUTL), Enable Right Output Mixer (MIXOUTR) */
Jerome Coutant 0:146cf26a9bbb 520 /* idem for SPKOUTL and SPKOUTR */
Jerome Coutant 0:146cf26a9bbb 521 counter += CODEC_IO_Write(DeviceAddr, 0x03, 0x0030 | 0x0300);
Jerome Coutant 0:146cf26a9bbb 522
Jerome Coutant 0:146cf26a9bbb 523 /* Enable DC Servo and trigger start-up mode on left and right channels */
Jerome Coutant 0:146cf26a9bbb 524 counter += CODEC_IO_Write(DeviceAddr, 0x54, 0x0033);
Jerome Coutant 0:146cf26a9bbb 525
Jerome Coutant 0:146cf26a9bbb 526 /* Add Delay */
Jerome Coutant 0:146cf26a9bbb 527 AUDIO_IO_Delay(250);
Jerome Coutant 0:146cf26a9bbb 528
Jerome Coutant 0:146cf26a9bbb 529 /* Enable HPOUT1 (Left) and HPOUT1 (Right) intermediate and output stages. Remove clamps */
Jerome Coutant 0:146cf26a9bbb 530 counter += CODEC_IO_Write(DeviceAddr, 0x60, 0x00EE);
Jerome Coutant 0:146cf26a9bbb 531
Jerome Coutant 0:146cf26a9bbb 532 /* Unmutes */
Jerome Coutant 0:146cf26a9bbb 533
Jerome Coutant 0:146cf26a9bbb 534 /* Unmute DAC 1 (Left) */
Jerome Coutant 0:146cf26a9bbb 535 counter += CODEC_IO_Write(DeviceAddr, 0x610, 0x00C0);
Jerome Coutant 0:146cf26a9bbb 536
Jerome Coutant 0:146cf26a9bbb 537 /* Unmute DAC 1 (Right) */
Jerome Coutant 0:146cf26a9bbb 538 counter += CODEC_IO_Write(DeviceAddr, 0x611, 0x00C0);
Jerome Coutant 0:146cf26a9bbb 539
Jerome Coutant 0:146cf26a9bbb 540 /* Unmute the AIF1 Timeslot 0 DAC path */
Jerome Coutant 0:146cf26a9bbb 541 counter += CODEC_IO_Write(DeviceAddr, 0x420, 0x0000);
Jerome Coutant 0:146cf26a9bbb 542
Jerome Coutant 0:146cf26a9bbb 543 /* Unmute DAC 2 (Left) */
Jerome Coutant 0:146cf26a9bbb 544 counter += CODEC_IO_Write(DeviceAddr, 0x612, 0x00C0);
Jerome Coutant 0:146cf26a9bbb 545
Jerome Coutant 0:146cf26a9bbb 546 /* Unmute DAC 2 (Right) */
Jerome Coutant 0:146cf26a9bbb 547 counter += CODEC_IO_Write(DeviceAddr, 0x613, 0x00C0);
Jerome Coutant 0:146cf26a9bbb 548
Jerome Coutant 0:146cf26a9bbb 549 /* Unmute the AIF1 Timeslot 1 DAC2 path */
Jerome Coutant 0:146cf26a9bbb 550 counter += CODEC_IO_Write(DeviceAddr, 0x422, 0x0000);
Jerome Coutant 0:146cf26a9bbb 551
Jerome Coutant 0:146cf26a9bbb 552 /* Volume Control */
Jerome Coutant 0:146cf26a9bbb 553 wm8994_SetVolume(DeviceAddr, Volume);
Jerome Coutant 0:146cf26a9bbb 554 }
Jerome Coutant 0:146cf26a9bbb 555
Jerome Coutant 0:146cf26a9bbb 556 if (input_device > 0) /* Audio input selected */
Jerome Coutant 0:146cf26a9bbb 557 {
Jerome Coutant 0:146cf26a9bbb 558 if ((input_device == INPUT_DEVICE_DIGITAL_MICROPHONE_1) || (input_device == INPUT_DEVICE_DIGITAL_MICROPHONE_2))
Jerome Coutant 0:146cf26a9bbb 559 {
Jerome Coutant 0:146cf26a9bbb 560 /* Enable Microphone bias 1 generator, Enable VMID */
Jerome Coutant 0:146cf26a9bbb 561 power_mgnt_reg_1 |= 0x0013;
Jerome Coutant 0:146cf26a9bbb 562 counter += CODEC_IO_Write(DeviceAddr, 0x01, power_mgnt_reg_1);
Jerome Coutant 0:146cf26a9bbb 563
Jerome Coutant 0:146cf26a9bbb 564 /* ADC oversample enable */
Jerome Coutant 0:146cf26a9bbb 565 counter += CODEC_IO_Write(DeviceAddr, 0x620, 0x0002);
Jerome Coutant 0:146cf26a9bbb 566
Jerome Coutant 0:146cf26a9bbb 567 /* AIF ADC2 HPF enable, HPF cut = voice mode 1 fc=127Hz at fs=8kHz */
Jerome Coutant 0:146cf26a9bbb 568 counter += CODEC_IO_Write(DeviceAddr, 0x411, 0x3800);
Jerome Coutant 0:146cf26a9bbb 569 }
Jerome Coutant 0:146cf26a9bbb 570 else if(input_device == INPUT_DEVICE_DIGITAL_MIC1_MIC2)
Jerome Coutant 0:146cf26a9bbb 571 {
Jerome Coutant 0:146cf26a9bbb 572 /* Enable Microphone bias 1 generator, Enable VMID */
Jerome Coutant 0:146cf26a9bbb 573 power_mgnt_reg_1 |= 0x0013;
Jerome Coutant 0:146cf26a9bbb 574 counter += CODEC_IO_Write(DeviceAddr, 0x01, power_mgnt_reg_1);
Jerome Coutant 0:146cf26a9bbb 575
Jerome Coutant 0:146cf26a9bbb 576 /* ADC oversample enable */
Jerome Coutant 0:146cf26a9bbb 577 counter += CODEC_IO_Write(DeviceAddr, 0x620, 0x0002);
Jerome Coutant 0:146cf26a9bbb 578
Jerome Coutant 0:146cf26a9bbb 579 /* AIF ADC1 HPF enable, HPF cut = voice mode 1 fc=127Hz at fs=8kHz */
Jerome Coutant 0:146cf26a9bbb 580 counter += CODEC_IO_Write(DeviceAddr, 0x410, 0x1800);
Jerome Coutant 0:146cf26a9bbb 581
Jerome Coutant 0:146cf26a9bbb 582 /* AIF ADC2 HPF enable, HPF cut = voice mode 1 fc=127Hz at fs=8kHz */
Jerome Coutant 0:146cf26a9bbb 583 counter += CODEC_IO_Write(DeviceAddr, 0x411, 0x1800);
Jerome Coutant 0:146cf26a9bbb 584 }
Jerome Coutant 0:146cf26a9bbb 585 else if ((input_device == INPUT_DEVICE_INPUT_LINE_1) || (input_device == INPUT_DEVICE_INPUT_LINE_2))
Jerome Coutant 0:146cf26a9bbb 586 {
Jerome Coutant 0:146cf26a9bbb 587
Jerome Coutant 0:146cf26a9bbb 588 /* Disable mute on IN1L, IN1L Volume = +0dB */
Jerome Coutant 0:146cf26a9bbb 589 counter += CODEC_IO_Write(DeviceAddr, 0x18, 0x000B);
Jerome Coutant 0:146cf26a9bbb 590
Jerome Coutant 0:146cf26a9bbb 591 /* Disable mute on IN1R, IN1R Volume = +0dB */
Jerome Coutant 0:146cf26a9bbb 592 counter += CODEC_IO_Write(DeviceAddr, 0x1A, 0x000B);
Jerome Coutant 0:146cf26a9bbb 593
Jerome Coutant 0:146cf26a9bbb 594 /* AIF ADC1 HPF enable, HPF cut = hifi mode fc=4Hz at fs=48kHz */
Jerome Coutant 0:146cf26a9bbb 595 counter += CODEC_IO_Write(DeviceAddr, 0x410, 0x1800);
Jerome Coutant 0:146cf26a9bbb 596 }
Jerome Coutant 0:146cf26a9bbb 597 /* Volume Control */
Jerome Coutant 0:146cf26a9bbb 598 wm8994_SetVolume(DeviceAddr, Volume);
Jerome Coutant 0:146cf26a9bbb 599 }
Jerome Coutant 0:146cf26a9bbb 600 /* Return communication control value */
Jerome Coutant 0:146cf26a9bbb 601 return counter;
Jerome Coutant 0:146cf26a9bbb 602 }
Jerome Coutant 0:146cf26a9bbb 603
Jerome Coutant 0:146cf26a9bbb 604 /**
Jerome Coutant 0:146cf26a9bbb 605 * @brief Deinitializes the audio codec.
Jerome Coutant 0:146cf26a9bbb 606 * @param None
Jerome Coutant 0:146cf26a9bbb 607 * @retval None
Jerome Coutant 0:146cf26a9bbb 608 */
Jerome Coutant 0:146cf26a9bbb 609 void wm8994_DeInit(void)
Jerome Coutant 0:146cf26a9bbb 610 {
Jerome Coutant 0:146cf26a9bbb 611 /* Deinitialize Audio Codec interface */
Jerome Coutant 0:146cf26a9bbb 612 AUDIO_IO_DeInit();
Jerome Coutant 0:146cf26a9bbb 613 }
Jerome Coutant 0:146cf26a9bbb 614
Jerome Coutant 0:146cf26a9bbb 615 /**
Jerome Coutant 0:146cf26a9bbb 616 * @brief Get the WM8994 ID.
Jerome Coutant 0:146cf26a9bbb 617 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:146cf26a9bbb 618 * @retval The WM8994 ID
Jerome Coutant 0:146cf26a9bbb 619 */
Jerome Coutant 0:146cf26a9bbb 620 uint32_t wm8994_ReadID(uint16_t DeviceAddr)
Jerome Coutant 0:146cf26a9bbb 621 {
Jerome Coutant 0:146cf26a9bbb 622 /* Initialize the Control interface of the Audio Codec */
Jerome Coutant 0:146cf26a9bbb 623 AUDIO_IO_Init();
Jerome Coutant 0:146cf26a9bbb 624
Jerome Coutant 0:146cf26a9bbb 625 return ((uint32_t)AUDIO_IO_Read(DeviceAddr, WM8994_CHIPID_ADDR));
Jerome Coutant 0:146cf26a9bbb 626 }
Jerome Coutant 0:146cf26a9bbb 627
Jerome Coutant 0:146cf26a9bbb 628 /**
Jerome Coutant 0:146cf26a9bbb 629 * @brief Start the audio Codec play feature.
Jerome Coutant 0:146cf26a9bbb 630 * @note For this codec no Play options are required.
Jerome Coutant 0:146cf26a9bbb 631 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:146cf26a9bbb 632 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:146cf26a9bbb 633 */
Jerome Coutant 0:146cf26a9bbb 634 uint32_t wm8994_Play(uint16_t DeviceAddr, uint16_t* pBuffer, uint16_t Size)
Jerome Coutant 0:146cf26a9bbb 635 {
Jerome Coutant 0:146cf26a9bbb 636 uint32_t counter = 0;
Jerome Coutant 0:146cf26a9bbb 637
Jerome Coutant 0:146cf26a9bbb 638 /* Resumes the audio file playing */
Jerome Coutant 0:146cf26a9bbb 639 /* Unmute the output first */
Jerome Coutant 0:146cf26a9bbb 640 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_OFF);
Jerome Coutant 0:146cf26a9bbb 641
Jerome Coutant 0:146cf26a9bbb 642 return counter;
Jerome Coutant 0:146cf26a9bbb 643 }
Jerome Coutant 0:146cf26a9bbb 644
Jerome Coutant 0:146cf26a9bbb 645 /**
Jerome Coutant 0:146cf26a9bbb 646 * @brief Pauses playing on the audio codec.
Jerome Coutant 0:146cf26a9bbb 647 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:146cf26a9bbb 648 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:146cf26a9bbb 649 */
Jerome Coutant 0:146cf26a9bbb 650 uint32_t wm8994_Pause(uint16_t DeviceAddr)
Jerome Coutant 0:146cf26a9bbb 651 {
Jerome Coutant 0:146cf26a9bbb 652 uint32_t counter = 0;
Jerome Coutant 0:146cf26a9bbb 653
Jerome Coutant 0:146cf26a9bbb 654 /* Pause the audio file playing */
Jerome Coutant 0:146cf26a9bbb 655 /* Mute the output first */
Jerome Coutant 0:146cf26a9bbb 656 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_ON);
Jerome Coutant 0:146cf26a9bbb 657
Jerome Coutant 0:146cf26a9bbb 658 /* Put the Codec in Power save mode */
Jerome Coutant 0:146cf26a9bbb 659 counter += CODEC_IO_Write(DeviceAddr, 0x02, 0x01);
Jerome Coutant 0:146cf26a9bbb 660
Jerome Coutant 0:146cf26a9bbb 661 return counter;
Jerome Coutant 0:146cf26a9bbb 662 }
Jerome Coutant 0:146cf26a9bbb 663
Jerome Coutant 0:146cf26a9bbb 664 /**
Jerome Coutant 0:146cf26a9bbb 665 * @brief Resumes playing on the audio codec.
Jerome Coutant 0:146cf26a9bbb 666 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:146cf26a9bbb 667 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:146cf26a9bbb 668 */
Jerome Coutant 0:146cf26a9bbb 669 uint32_t wm8994_Resume(uint16_t DeviceAddr)
Jerome Coutant 0:146cf26a9bbb 670 {
Jerome Coutant 0:146cf26a9bbb 671 uint32_t counter = 0;
Jerome Coutant 0:146cf26a9bbb 672
Jerome Coutant 0:146cf26a9bbb 673 /* Resumes the audio file playing */
Jerome Coutant 0:146cf26a9bbb 674 /* Unmute the output first */
Jerome Coutant 0:146cf26a9bbb 675 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_OFF);
Jerome Coutant 0:146cf26a9bbb 676
Jerome Coutant 0:146cf26a9bbb 677 return counter;
Jerome Coutant 0:146cf26a9bbb 678 }
Jerome Coutant 0:146cf26a9bbb 679
Jerome Coutant 0:146cf26a9bbb 680 /**
Jerome Coutant 0:146cf26a9bbb 681 * @brief Stops audio Codec playing. It powers down the codec.
Jerome Coutant 0:146cf26a9bbb 682 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:146cf26a9bbb 683 * @param CodecPdwnMode: selects the power down mode.
Jerome Coutant 0:146cf26a9bbb 684 * - CODEC_PDWN_SW: only mutes the audio codec. When resuming from this
Jerome Coutant 0:146cf26a9bbb 685 * mode the codec keeps the previous initialization
Jerome Coutant 0:146cf26a9bbb 686 * (no need to re-Initialize the codec registers).
Jerome Coutant 0:146cf26a9bbb 687 * - CODEC_PDWN_HW: Physically power down the codec. When resuming from this
Jerome Coutant 0:146cf26a9bbb 688 * mode, the codec is set to default configuration
Jerome Coutant 0:146cf26a9bbb 689 * (user should re-Initialize the codec in order to
Jerome Coutant 0:146cf26a9bbb 690 * play again the audio stream).
Jerome Coutant 0:146cf26a9bbb 691 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:146cf26a9bbb 692 */
Jerome Coutant 0:146cf26a9bbb 693 uint32_t wm8994_Stop(uint16_t DeviceAddr, uint32_t CodecPdwnMode)
Jerome Coutant 0:146cf26a9bbb 694 {
Jerome Coutant 0:146cf26a9bbb 695 uint32_t counter = 0;
Jerome Coutant 0:146cf26a9bbb 696
Jerome Coutant 0:146cf26a9bbb 697 if (outputEnabled != 0)
Jerome Coutant 0:146cf26a9bbb 698 {
Jerome Coutant 0:146cf26a9bbb 699 /* Mute the output first */
Jerome Coutant 0:146cf26a9bbb 700 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_ON);
Jerome Coutant 0:146cf26a9bbb 701
Jerome Coutant 0:146cf26a9bbb 702 if (CodecPdwnMode == CODEC_PDWN_SW)
Jerome Coutant 0:146cf26a9bbb 703 {
Jerome Coutant 0:146cf26a9bbb 704 /* Only output mute required*/
Jerome Coutant 0:146cf26a9bbb 705 }
Jerome Coutant 0:146cf26a9bbb 706 else /* CODEC_PDWN_HW */
Jerome Coutant 0:146cf26a9bbb 707 {
Jerome Coutant 0:146cf26a9bbb 708 /* Mute the AIF1 Timeslot 0 DAC1 path */
Jerome Coutant 0:146cf26a9bbb 709 counter += CODEC_IO_Write(DeviceAddr, 0x420, 0x0200);
Jerome Coutant 0:146cf26a9bbb 710
Jerome Coutant 0:146cf26a9bbb 711 /* Mute the AIF1 Timeslot 1 DAC2 path */
Jerome Coutant 0:146cf26a9bbb 712 counter += CODEC_IO_Write(DeviceAddr, 0x422, 0x0200);
Jerome Coutant 0:146cf26a9bbb 713
Jerome Coutant 0:146cf26a9bbb 714 /* Disable DAC1L_TO_HPOUT1L */
Jerome Coutant 0:146cf26a9bbb 715 counter += CODEC_IO_Write(DeviceAddr, 0x2D, 0x0000);
Jerome Coutant 0:146cf26a9bbb 716
Jerome Coutant 0:146cf26a9bbb 717 /* Disable DAC1R_TO_HPOUT1R */
Jerome Coutant 0:146cf26a9bbb 718 counter += CODEC_IO_Write(DeviceAddr, 0x2E, 0x0000);
Jerome Coutant 0:146cf26a9bbb 719
Jerome Coutant 0:146cf26a9bbb 720 /* Disable DAC1 and DAC2 */
Jerome Coutant 0:146cf26a9bbb 721 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0000);
Jerome Coutant 0:146cf26a9bbb 722
Jerome Coutant 0:146cf26a9bbb 723 /* Reset Codec by writing in 0x0000 address register */
Jerome Coutant 0:146cf26a9bbb 724 counter += CODEC_IO_Write(DeviceAddr, 0x0000, 0x0000);
Jerome Coutant 0:146cf26a9bbb 725
Jerome Coutant 0:146cf26a9bbb 726 outputEnabled = 0;
Jerome Coutant 0:146cf26a9bbb 727 }
Jerome Coutant 0:146cf26a9bbb 728 }
Jerome Coutant 0:146cf26a9bbb 729 return counter;
Jerome Coutant 0:146cf26a9bbb 730 }
Jerome Coutant 0:146cf26a9bbb 731
Jerome Coutant 0:146cf26a9bbb 732 /**
Jerome Coutant 0:146cf26a9bbb 733 * @brief Sets higher or lower the codec volume level.
Jerome Coutant 0:146cf26a9bbb 734 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:146cf26a9bbb 735 * @param Volume: a byte value from 0 to 255 (refer to codec registers
Jerome Coutant 0:146cf26a9bbb 736 * description for more details).
Jerome Coutant 0:146cf26a9bbb 737 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:146cf26a9bbb 738 */
Jerome Coutant 0:146cf26a9bbb 739 uint32_t wm8994_SetVolume(uint16_t DeviceAddr, uint8_t Volume)
Jerome Coutant 0:146cf26a9bbb 740 {
Jerome Coutant 0:146cf26a9bbb 741 uint32_t counter = 0;
Jerome Coutant 0:146cf26a9bbb 742 uint8_t convertedvol = VOLUME_CONVERT(Volume);
Jerome Coutant 0:146cf26a9bbb 743
Jerome Coutant 0:146cf26a9bbb 744 /* Output volume */
Jerome Coutant 0:146cf26a9bbb 745 if (outputEnabled != 0)
Jerome Coutant 0:146cf26a9bbb 746 {
Jerome Coutant 0:146cf26a9bbb 747 if(convertedvol > 0x3E)
Jerome Coutant 0:146cf26a9bbb 748 {
Jerome Coutant 0:146cf26a9bbb 749 /* Unmute audio codec */
Jerome Coutant 0:146cf26a9bbb 750 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_OFF);
Jerome Coutant 0:146cf26a9bbb 751
Jerome Coutant 0:146cf26a9bbb 752 /* Left Headphone Volume */
Jerome Coutant 0:146cf26a9bbb 753 counter += CODEC_IO_Write(DeviceAddr, 0x1C, 0x3F | 0x140);
Jerome Coutant 0:146cf26a9bbb 754
Jerome Coutant 0:146cf26a9bbb 755 /* Right Headphone Volume */
Jerome Coutant 0:146cf26a9bbb 756 counter += CODEC_IO_Write(DeviceAddr, 0x1D, 0x3F | 0x140);
Jerome Coutant 0:146cf26a9bbb 757
Jerome Coutant 0:146cf26a9bbb 758 /* Left Speaker Volume */
Jerome Coutant 0:146cf26a9bbb 759 counter += CODEC_IO_Write(DeviceAddr, 0x26, 0x3F | 0x140);
Jerome Coutant 0:146cf26a9bbb 760
Jerome Coutant 0:146cf26a9bbb 761 /* Right Speaker Volume */
Jerome Coutant 0:146cf26a9bbb 762 counter += CODEC_IO_Write(DeviceAddr, 0x27, 0x3F | 0x140);
Jerome Coutant 0:146cf26a9bbb 763 }
Jerome Coutant 0:146cf26a9bbb 764 else if (Volume == 0)
Jerome Coutant 0:146cf26a9bbb 765 {
Jerome Coutant 0:146cf26a9bbb 766 /* Mute audio codec */
Jerome Coutant 0:146cf26a9bbb 767 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_ON);
Jerome Coutant 0:146cf26a9bbb 768 }
Jerome Coutant 0:146cf26a9bbb 769 else
Jerome Coutant 0:146cf26a9bbb 770 {
Jerome Coutant 0:146cf26a9bbb 771 /* Unmute audio codec */
Jerome Coutant 0:146cf26a9bbb 772 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_OFF);
Jerome Coutant 0:146cf26a9bbb 773
Jerome Coutant 0:146cf26a9bbb 774 /* Left Headphone Volume */
Jerome Coutant 0:146cf26a9bbb 775 counter += CODEC_IO_Write(DeviceAddr, 0x1C, convertedvol | 0x140);
Jerome Coutant 0:146cf26a9bbb 776
Jerome Coutant 0:146cf26a9bbb 777 /* Right Headphone Volume */
Jerome Coutant 0:146cf26a9bbb 778 counter += CODEC_IO_Write(DeviceAddr, 0x1D, convertedvol | 0x140);
Jerome Coutant 0:146cf26a9bbb 779
Jerome Coutant 0:146cf26a9bbb 780 /* Left Speaker Volume */
Jerome Coutant 0:146cf26a9bbb 781 counter += CODEC_IO_Write(DeviceAddr, 0x26, convertedvol | 0x140);
Jerome Coutant 0:146cf26a9bbb 782
Jerome Coutant 0:146cf26a9bbb 783 /* Right Speaker Volume */
Jerome Coutant 0:146cf26a9bbb 784 counter += CODEC_IO_Write(DeviceAddr, 0x27, convertedvol | 0x140);
Jerome Coutant 0:146cf26a9bbb 785 }
Jerome Coutant 0:146cf26a9bbb 786 }
Jerome Coutant 0:146cf26a9bbb 787
Jerome Coutant 0:146cf26a9bbb 788 /* Input volume */
Jerome Coutant 0:146cf26a9bbb 789 if (inputEnabled != 0)
Jerome Coutant 0:146cf26a9bbb 790 {
Jerome Coutant 0:146cf26a9bbb 791 convertedvol = VOLUME_IN_CONVERT(Volume);
Jerome Coutant 0:146cf26a9bbb 792
Jerome Coutant 0:146cf26a9bbb 793 /* Left AIF1 ADC1 volume */
Jerome Coutant 0:146cf26a9bbb 794 counter += CODEC_IO_Write(DeviceAddr, 0x400, convertedvol | 0x100);
Jerome Coutant 0:146cf26a9bbb 795
Jerome Coutant 0:146cf26a9bbb 796 /* Right AIF1 ADC1 volume */
Jerome Coutant 0:146cf26a9bbb 797 counter += CODEC_IO_Write(DeviceAddr, 0x401, convertedvol | 0x100);
Jerome Coutant 0:146cf26a9bbb 798
Jerome Coutant 0:146cf26a9bbb 799 /* Left AIF1 ADC2 volume */
Jerome Coutant 0:146cf26a9bbb 800 counter += CODEC_IO_Write(DeviceAddr, 0x404, convertedvol | 0x100);
Jerome Coutant 0:146cf26a9bbb 801
Jerome Coutant 0:146cf26a9bbb 802 /* Right AIF1 ADC2 volume */
Jerome Coutant 0:146cf26a9bbb 803 counter += CODEC_IO_Write(DeviceAddr, 0x405, convertedvol | 0x100);
Jerome Coutant 0:146cf26a9bbb 804 }
Jerome Coutant 0:146cf26a9bbb 805 return counter;
Jerome Coutant 0:146cf26a9bbb 806 }
Jerome Coutant 0:146cf26a9bbb 807
Jerome Coutant 0:146cf26a9bbb 808 /**
Jerome Coutant 0:146cf26a9bbb 809 * @brief Enables or disables the mute feature on the audio codec.
Jerome Coutant 0:146cf26a9bbb 810 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:146cf26a9bbb 811 * @param Cmd: AUDIO_MUTE_ON to enable the mute or AUDIO_MUTE_OFF to disable the
Jerome Coutant 0:146cf26a9bbb 812 * mute mode.
Jerome Coutant 0:146cf26a9bbb 813 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:146cf26a9bbb 814 */
Jerome Coutant 0:146cf26a9bbb 815 uint32_t wm8994_SetMute(uint16_t DeviceAddr, uint32_t Cmd)
Jerome Coutant 0:146cf26a9bbb 816 {
Jerome Coutant 0:146cf26a9bbb 817 uint32_t counter = 0;
Jerome Coutant 0:146cf26a9bbb 818
Jerome Coutant 0:146cf26a9bbb 819 if (outputEnabled != 0)
Jerome Coutant 0:146cf26a9bbb 820 {
Jerome Coutant 0:146cf26a9bbb 821 /* Set the Mute mode */
Jerome Coutant 0:146cf26a9bbb 822 if(Cmd == AUDIO_MUTE_ON)
Jerome Coutant 0:146cf26a9bbb 823 {
Jerome Coutant 0:146cf26a9bbb 824 /* Soft Mute the AIF1 Timeslot 0 DAC1 path L&R */
Jerome Coutant 0:146cf26a9bbb 825 counter += CODEC_IO_Write(DeviceAddr, 0x420, 0x0200);
Jerome Coutant 0:146cf26a9bbb 826
Jerome Coutant 0:146cf26a9bbb 827 /* Soft Mute the AIF1 Timeslot 1 DAC2 path L&R */
Jerome Coutant 0:146cf26a9bbb 828 counter += CODEC_IO_Write(DeviceAddr, 0x422, 0x0200);
Jerome Coutant 0:146cf26a9bbb 829 }
Jerome Coutant 0:146cf26a9bbb 830 else /* AUDIO_MUTE_OFF Disable the Mute */
Jerome Coutant 0:146cf26a9bbb 831 {
Jerome Coutant 0:146cf26a9bbb 832 /* Unmute the AIF1 Timeslot 0 DAC1 path L&R */
Jerome Coutant 0:146cf26a9bbb 833 counter += CODEC_IO_Write(DeviceAddr, 0x420, 0x0000);
Jerome Coutant 0:146cf26a9bbb 834
Jerome Coutant 0:146cf26a9bbb 835 /* Unmute the AIF1 Timeslot 1 DAC2 path L&R */
Jerome Coutant 0:146cf26a9bbb 836 counter += CODEC_IO_Write(DeviceAddr, 0x422, 0x0000);
Jerome Coutant 0:146cf26a9bbb 837 }
Jerome Coutant 0:146cf26a9bbb 838 }
Jerome Coutant 0:146cf26a9bbb 839 return counter;
Jerome Coutant 0:146cf26a9bbb 840 }
Jerome Coutant 0:146cf26a9bbb 841
Jerome Coutant 0:146cf26a9bbb 842 /**
Jerome Coutant 0:146cf26a9bbb 843 * @brief Switch dynamically (while audio file is played) the output target
Jerome Coutant 0:146cf26a9bbb 844 * (speaker or headphone).
Jerome Coutant 0:146cf26a9bbb 845 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:146cf26a9bbb 846 * @param Output: specifies the audio output target: OUTPUT_DEVICE_SPEAKER,
Jerome Coutant 0:146cf26a9bbb 847 * OUTPUT_DEVICE_HEADPHONE, OUTPUT_DEVICE_BOTH or OUTPUT_DEVICE_AUTO
Jerome Coutant 0:146cf26a9bbb 848 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:146cf26a9bbb 849 */
Jerome Coutant 0:146cf26a9bbb 850 uint32_t wm8994_SetOutputMode(uint16_t DeviceAddr, uint8_t Output)
Jerome Coutant 0:146cf26a9bbb 851 {
Jerome Coutant 0:146cf26a9bbb 852 uint32_t counter = 0;
Jerome Coutant 0:146cf26a9bbb 853
Jerome Coutant 0:146cf26a9bbb 854 switch (Output)
Jerome Coutant 0:146cf26a9bbb 855 {
Jerome Coutant 0:146cf26a9bbb 856 case OUTPUT_DEVICE_SPEAKER:
Jerome Coutant 0:146cf26a9bbb 857 /* Enable DAC1 (Left), Enable DAC1 (Right),
Jerome Coutant 0:146cf26a9bbb 858 Disable DAC2 (Left), Disable DAC2 (Right)*/
Jerome Coutant 0:146cf26a9bbb 859 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0C0C);
Jerome Coutant 0:146cf26a9bbb 860
Jerome Coutant 0:146cf26a9bbb 861 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 862 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0000);
Jerome Coutant 0:146cf26a9bbb 863
Jerome Coutant 0:146cf26a9bbb 864 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 865 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0000);
Jerome Coutant 0:146cf26a9bbb 866
Jerome Coutant 0:146cf26a9bbb 867 /* Disable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 868 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0002);
Jerome Coutant 0:146cf26a9bbb 869
Jerome Coutant 0:146cf26a9bbb 870 /* Disable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 871 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0002);
Jerome Coutant 0:146cf26a9bbb 872 break;
Jerome Coutant 0:146cf26a9bbb 873
Jerome Coutant 0:146cf26a9bbb 874 case OUTPUT_DEVICE_HEADPHONE:
Jerome Coutant 0:146cf26a9bbb 875 /* Disable DAC1 (Left), Disable DAC1 (Right),
Jerome Coutant 0:146cf26a9bbb 876 Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:146cf26a9bbb 877 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303);
Jerome Coutant 0:146cf26a9bbb 878
Jerome Coutant 0:146cf26a9bbb 879 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 880 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0001);
Jerome Coutant 0:146cf26a9bbb 881
Jerome Coutant 0:146cf26a9bbb 882 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 883 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0001);
Jerome Coutant 0:146cf26a9bbb 884
Jerome Coutant 0:146cf26a9bbb 885 /* Disable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 886 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0000);
Jerome Coutant 0:146cf26a9bbb 887
Jerome Coutant 0:146cf26a9bbb 888 /* Disable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 889 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0000);
Jerome Coutant 0:146cf26a9bbb 890 break;
Jerome Coutant 0:146cf26a9bbb 891
Jerome Coutant 0:146cf26a9bbb 892 case OUTPUT_DEVICE_BOTH:
Jerome Coutant 0:146cf26a9bbb 893 /* Enable DAC1 (Left), Enable DAC1 (Right),
Jerome Coutant 0:146cf26a9bbb 894 also Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:146cf26a9bbb 895 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303 | 0x0C0C);
Jerome Coutant 0:146cf26a9bbb 896
Jerome Coutant 0:146cf26a9bbb 897 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 898 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0001);
Jerome Coutant 0:146cf26a9bbb 899
Jerome Coutant 0:146cf26a9bbb 900 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 901 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0001);
Jerome Coutant 0:146cf26a9bbb 902
Jerome Coutant 0:146cf26a9bbb 903 /* Enable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 904 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0002);
Jerome Coutant 0:146cf26a9bbb 905
Jerome Coutant 0:146cf26a9bbb 906 /* Enable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 907 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0002);
Jerome Coutant 0:146cf26a9bbb 908 break;
Jerome Coutant 0:146cf26a9bbb 909
Jerome Coutant 0:146cf26a9bbb 910 default:
Jerome Coutant 0:146cf26a9bbb 911 /* Disable DAC1 (Left), Disable DAC1 (Right),
Jerome Coutant 0:146cf26a9bbb 912 Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:146cf26a9bbb 913 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303);
Jerome Coutant 0:146cf26a9bbb 914
Jerome Coutant 0:146cf26a9bbb 915 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 916 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0001);
Jerome Coutant 0:146cf26a9bbb 917
Jerome Coutant 0:146cf26a9bbb 918 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 919 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0001);
Jerome Coutant 0:146cf26a9bbb 920
Jerome Coutant 0:146cf26a9bbb 921 /* Disable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:146cf26a9bbb 922 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0000);
Jerome Coutant 0:146cf26a9bbb 923
Jerome Coutant 0:146cf26a9bbb 924 /* Disable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:146cf26a9bbb 925 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0000);
Jerome Coutant 0:146cf26a9bbb 926 break;
Jerome Coutant 0:146cf26a9bbb 927 }
Jerome Coutant 0:146cf26a9bbb 928 return counter;
Jerome Coutant 0:146cf26a9bbb 929 }
Jerome Coutant 0:146cf26a9bbb 930
Jerome Coutant 0:146cf26a9bbb 931 /**
Jerome Coutant 0:146cf26a9bbb 932 * @brief Sets new frequency.
Jerome Coutant 0:146cf26a9bbb 933 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:146cf26a9bbb 934 * @param AudioFreq: Audio frequency used to play the audio stream.
Jerome Coutant 0:146cf26a9bbb 935 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:146cf26a9bbb 936 */
Jerome Coutant 0:146cf26a9bbb 937 uint32_t wm8994_SetFrequency(uint16_t DeviceAddr, uint32_t AudioFreq)
Jerome Coutant 0:146cf26a9bbb 938 {
Jerome Coutant 0:146cf26a9bbb 939 uint32_t counter = 0;
Jerome Coutant 0:146cf26a9bbb 940
Jerome Coutant 0:146cf26a9bbb 941 /* Clock Configurations */
Jerome Coutant 0:146cf26a9bbb 942 switch (AudioFreq)
Jerome Coutant 0:146cf26a9bbb 943 {
Jerome Coutant 0:146cf26a9bbb 944 case AUDIO_FREQUENCY_8K:
Jerome Coutant 0:146cf26a9bbb 945 /* AIF1 Sample Rate = 8 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 946 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0003);
Jerome Coutant 0:146cf26a9bbb 947 break;
Jerome Coutant 0:146cf26a9bbb 948
Jerome Coutant 0:146cf26a9bbb 949 case AUDIO_FREQUENCY_16K:
Jerome Coutant 0:146cf26a9bbb 950 /* AIF1 Sample Rate = 16 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 951 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0033);
Jerome Coutant 0:146cf26a9bbb 952 break;
Jerome Coutant 0:146cf26a9bbb 953
Jerome Coutant 0:146cf26a9bbb 954 case AUDIO_FREQUENCY_48K:
Jerome Coutant 0:146cf26a9bbb 955 /* AIF1 Sample Rate = 48 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 956 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0083);
Jerome Coutant 0:146cf26a9bbb 957 break;
Jerome Coutant 0:146cf26a9bbb 958
Jerome Coutant 0:146cf26a9bbb 959 case AUDIO_FREQUENCY_96K:
Jerome Coutant 0:146cf26a9bbb 960 /* AIF1 Sample Rate = 96 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 961 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x00A3);
Jerome Coutant 0:146cf26a9bbb 962 break;
Jerome Coutant 0:146cf26a9bbb 963
Jerome Coutant 0:146cf26a9bbb 964 case AUDIO_FREQUENCY_11K:
Jerome Coutant 0:146cf26a9bbb 965 /* AIF1 Sample Rate = 11.025 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 966 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0013);
Jerome Coutant 0:146cf26a9bbb 967 break;
Jerome Coutant 0:146cf26a9bbb 968
Jerome Coutant 0:146cf26a9bbb 969 case AUDIO_FREQUENCY_22K:
Jerome Coutant 0:146cf26a9bbb 970 /* AIF1 Sample Rate = 22.050 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 971 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0043);
Jerome Coutant 0:146cf26a9bbb 972 break;
Jerome Coutant 0:146cf26a9bbb 973
Jerome Coutant 0:146cf26a9bbb 974 case AUDIO_FREQUENCY_44K:
Jerome Coutant 0:146cf26a9bbb 975 /* AIF1 Sample Rate = 44.1 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 976 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0073);
Jerome Coutant 0:146cf26a9bbb 977 break;
Jerome Coutant 0:146cf26a9bbb 978
Jerome Coutant 0:146cf26a9bbb 979 default:
Jerome Coutant 0:146cf26a9bbb 980 /* AIF1 Sample Rate = 48 (KHz), ratio=256 */
Jerome Coutant 0:146cf26a9bbb 981 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0083);
Jerome Coutant 0:146cf26a9bbb 982 break;
Jerome Coutant 0:146cf26a9bbb 983 }
Jerome Coutant 0:146cf26a9bbb 984 return counter;
Jerome Coutant 0:146cf26a9bbb 985 }
Jerome Coutant 0:146cf26a9bbb 986
Jerome Coutant 0:146cf26a9bbb 987 /**
Jerome Coutant 0:146cf26a9bbb 988 * @brief Resets wm8994 registers.
Jerome Coutant 0:146cf26a9bbb 989 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:146cf26a9bbb 990 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:146cf26a9bbb 991 */
Jerome Coutant 0:146cf26a9bbb 992 uint32_t wm8994_Reset(uint16_t DeviceAddr)
Jerome Coutant 0:146cf26a9bbb 993 {
Jerome Coutant 0:146cf26a9bbb 994 uint32_t counter = 0;
Jerome Coutant 0:146cf26a9bbb 995
Jerome Coutant 0:146cf26a9bbb 996 /* Reset Codec by writing in 0x0000 address register */
Jerome Coutant 0:146cf26a9bbb 997 counter = CODEC_IO_Write(DeviceAddr, 0x0000, 0x0000);
Jerome Coutant 0:146cf26a9bbb 998 outputEnabled = 0;
Jerome Coutant 0:146cf26a9bbb 999 inputEnabled=0;
Jerome Coutant 0:146cf26a9bbb 1000
Jerome Coutant 0:146cf26a9bbb 1001 return counter;
Jerome Coutant 0:146cf26a9bbb 1002 }
Jerome Coutant 0:146cf26a9bbb 1003
Jerome Coutant 0:146cf26a9bbb 1004 /**
Jerome Coutant 0:146cf26a9bbb 1005 * @brief Writes/Read a single data.
Jerome Coutant 0:146cf26a9bbb 1006 * @param Addr: I2C address
Jerome Coutant 0:146cf26a9bbb 1007 * @param Reg: Reg address
Jerome Coutant 0:146cf26a9bbb 1008 * @param Value: Data to be written
Jerome Coutant 0:146cf26a9bbb 1009 * @retval None
Jerome Coutant 0:146cf26a9bbb 1010 */
Jerome Coutant 0:146cf26a9bbb 1011 static uint8_t CODEC_IO_Write(uint8_t Addr, uint16_t Reg, uint16_t Value)
Jerome Coutant 0:146cf26a9bbb 1012 {
Jerome Coutant 0:146cf26a9bbb 1013 uint32_t result = 0;
Jerome Coutant 0:146cf26a9bbb 1014
Jerome Coutant 0:146cf26a9bbb 1015 AUDIO_IO_Write(Addr, Reg, Value);
Jerome Coutant 0:146cf26a9bbb 1016
Jerome Coutant 0:146cf26a9bbb 1017 #ifdef VERIFY_WRITTENDATA
Jerome Coutant 0:146cf26a9bbb 1018 /* Verify that the data has been correctly written */
Jerome Coutant 0:146cf26a9bbb 1019 result = (AUDIO_IO_Read(Addr, Reg) == Value)? 0:1;
Jerome Coutant 0:146cf26a9bbb 1020 #endif /* VERIFY_WRITTENDATA */
Jerome Coutant 0:146cf26a9bbb 1021
Jerome Coutant 0:146cf26a9bbb 1022 return result;
Jerome Coutant 0:146cf26a9bbb 1023 }
Jerome Coutant 0:146cf26a9bbb 1024
Jerome Coutant 0:146cf26a9bbb 1025 /**
Jerome Coutant 0:146cf26a9bbb 1026 * @}
Jerome Coutant 0:146cf26a9bbb 1027 */
Jerome Coutant 0:146cf26a9bbb 1028
Jerome Coutant 0:146cf26a9bbb 1029 /**
Jerome Coutant 0:146cf26a9bbb 1030 * @}
Jerome Coutant 0:146cf26a9bbb 1031 */
Jerome Coutant 0:146cf26a9bbb 1032
Jerome Coutant 0:146cf26a9bbb 1033 /**
Jerome Coutant 0:146cf26a9bbb 1034 * @}
Jerome Coutant 0:146cf26a9bbb 1035 */
Jerome Coutant 0:146cf26a9bbb 1036
Jerome Coutant 0:146cf26a9bbb 1037 /**
Jerome Coutant 0:146cf26a9bbb 1038 * @}
Jerome Coutant 0:146cf26a9bbb 1039 */
Jerome Coutant 0:146cf26a9bbb 1040
Jerome Coutant 0:146cf26a9bbb 1041 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/