ST / BSP_DISCO_F769NI

STM32Cube BSP FW for STM32F769I-Discovery

Dependents:   mbed-os-example-blinky-5 DISCO-F769NI_TOUCHSCREEN_demo_custom_1 Datarecorder2 DISCO-F769NI_TOUCHSCREEN_demo ... more

Drivers/BSP/Components/wm8994/wm8994.c@5:60b59d223214, 2019-11-15 (annotated)

Committer:
Jerome Coutant
Date:
Fri Nov 15 11:22:24 2019 +0100
Revision:
5:60b59d223214
Parent:
4:72a949940ad6 
Audio quality issue



ST INTERNAL issue 75800

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jerome Coutant 0:c0f3bbab73d2 1 /**
Jerome Coutant 0:c0f3bbab73d2 2 ******************************************************************************
Jerome Coutant 0:c0f3bbab73d2 3 * @file wm8994.c
Jerome Coutant 0:c0f3bbab73d2 4 * @author MCD Application Team
Jerome Coutant 4:72a949940ad6 5 * @brief This file provides the WM8994 Audio Codec driver.
Jerome Coutant 0:c0f3bbab73d2 6 ******************************************************************************
Jerome Coutant 0:c0f3bbab73d2 7 * @attention
Jerome Coutant 0:c0f3bbab73d2 8 *
Jerome Coutant 0:c0f3bbab73d2 9 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
Jerome Coutant 0:c0f3bbab73d2 10 *
Jerome Coutant 0:c0f3bbab73d2 11 * Redistribution and use in source and binary forms, with or without modification,
Jerome Coutant 0:c0f3bbab73d2 12 * are permitted provided that the following conditions are met:
Jerome Coutant 0:c0f3bbab73d2 13 * 1. Redistributions of source code must retain the above copyright notice,
Jerome Coutant 0:c0f3bbab73d2 14 * this list of conditions and the following disclaimer.
Jerome Coutant 0:c0f3bbab73d2 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
Jerome Coutant 0:c0f3bbab73d2 16 * this list of conditions and the following disclaimer in the documentation
Jerome Coutant 0:c0f3bbab73d2 17 * and/or other materials provided with the distribution.
Jerome Coutant 0:c0f3bbab73d2 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
Jerome Coutant 0:c0f3bbab73d2 19 * may be used to endorse or promote products derived from this software
Jerome Coutant 0:c0f3bbab73d2 20 * without specific prior written permission.
Jerome Coutant 0:c0f3bbab73d2 21 *
Jerome Coutant 0:c0f3bbab73d2 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Jerome Coutant 0:c0f3bbab73d2 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Jerome Coutant 0:c0f3bbab73d2 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Jerome Coutant 0:c0f3bbab73d2 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
Jerome Coutant 0:c0f3bbab73d2 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
Jerome Coutant 0:c0f3bbab73d2 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
Jerome Coutant 0:c0f3bbab73d2 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
Jerome Coutant 0:c0f3bbab73d2 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
Jerome Coutant 0:c0f3bbab73d2 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Jerome Coutant 0:c0f3bbab73d2 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Jerome Coutant 0:c0f3bbab73d2 32 *
Jerome Coutant 0:c0f3bbab73d2 33 ******************************************************************************
Jerome Coutant 0:c0f3bbab73d2 34 */
Jerome Coutant 0:c0f3bbab73d2 35
Jerome Coutant 0:c0f3bbab73d2 36 /* Includes ------------------------------------------------------------------*/
Jerome Coutant 0:c0f3bbab73d2 37 #include "wm8994.h"
Jerome Coutant 0:c0f3bbab73d2 38
Jerome Coutant 0:c0f3bbab73d2 39 /** @addtogroup BSP
Jerome Coutant 0:c0f3bbab73d2 40 * @{
Jerome Coutant 0:c0f3bbab73d2 41 */
Jerome Coutant 0:c0f3bbab73d2 42
Jerome Coutant 0:c0f3bbab73d2 43 /** @addtogroup Components
Jerome Coutant 0:c0f3bbab73d2 44 * @{
Jerome Coutant 0:c0f3bbab73d2 45 */
Jerome Coutant 0:c0f3bbab73d2 46
Jerome Coutant 0:c0f3bbab73d2 47 /** @addtogroup wm8994
Jerome Coutant 0:c0f3bbab73d2 48 * @brief This file provides a set of functions needed to drive the
Jerome Coutant 0:c0f3bbab73d2 49 * WM8994 audio codec.
Jerome Coutant 0:c0f3bbab73d2 50 * @{
Jerome Coutant 0:c0f3bbab73d2 51 */
Jerome Coutant 0:c0f3bbab73d2 52
Jerome Coutant 0:c0f3bbab73d2 53 /** @defgroup WM8994_Private_Types
Jerome Coutant 0:c0f3bbab73d2 54 * @{
Jerome Coutant 0:c0f3bbab73d2 55 */
Jerome Coutant 0:c0f3bbab73d2 56
Jerome Coutant 0:c0f3bbab73d2 57 /**
Jerome Coutant 0:c0f3bbab73d2 58 * @}
Jerome Coutant 0:c0f3bbab73d2 59 */
Jerome Coutant 0:c0f3bbab73d2 60
Jerome Coutant 0:c0f3bbab73d2 61 /** @defgroup WM8994_Private_Defines
Jerome Coutant 0:c0f3bbab73d2 62 * @{
Jerome Coutant 0:c0f3bbab73d2 63 */
Jerome Coutant 0:c0f3bbab73d2 64 /* Uncomment this line to enable verifying data sent to codec after each write
Jerome Coutant 0:c0f3bbab73d2 65 operation (for debug purpose) */
Jerome Coutant 0:c0f3bbab73d2 66 #if !defined (VERIFY_WRITTENDATA)
Jerome Coutant 0:c0f3bbab73d2 67 /*#define VERIFY_WRITTENDATA*/
Jerome Coutant 0:c0f3bbab73d2 68 #endif /* VERIFY_WRITTENDATA */
Jerome Coutant 0:c0f3bbab73d2 69 /**
Jerome Coutant 0:c0f3bbab73d2 70 * @}
Jerome Coutant 0:c0f3bbab73d2 71 */
Jerome Coutant 0:c0f3bbab73d2 72
Jerome Coutant 0:c0f3bbab73d2 73 /** @defgroup WM8994_Private_Macros
Jerome Coutant 0:c0f3bbab73d2 74 * @{
Jerome Coutant 0:c0f3bbab73d2 75 */
Jerome Coutant 0:c0f3bbab73d2 76
Jerome Coutant 0:c0f3bbab73d2 77 /**
Jerome Coutant 0:c0f3bbab73d2 78 * @}
Jerome Coutant 0:c0f3bbab73d2 79 */
Jerome Coutant 0:c0f3bbab73d2 80
Jerome Coutant 0:c0f3bbab73d2 81 /** @defgroup WM8994_Private_Variables
Jerome Coutant 0:c0f3bbab73d2 82 * @{
Jerome Coutant 0:c0f3bbab73d2 83 */
Jerome Coutant 0:c0f3bbab73d2 84
Jerome Coutant 0:c0f3bbab73d2 85 /* Audio codec driver structure initialization */
Jerome Coutant 0:c0f3bbab73d2 86 AUDIO_DrvTypeDef wm8994_drv =
Jerome Coutant 0:c0f3bbab73d2 87 {
Jerome Coutant 0:c0f3bbab73d2 88 wm8994_Init,
Jerome Coutant 0:c0f3bbab73d2 89 wm8994_DeInit,
Jerome Coutant 0:c0f3bbab73d2 90 wm8994_ReadID,
Jerome Coutant 0:c0f3bbab73d2 91
Jerome Coutant 0:c0f3bbab73d2 92 wm8994_Play,
Jerome Coutant 0:c0f3bbab73d2 93 wm8994_Pause,
Jerome Coutant 0:c0f3bbab73d2 94 wm8994_Resume,
Jerome Coutant 0:c0f3bbab73d2 95 wm8994_Stop,
Jerome Coutant 0:c0f3bbab73d2 96
Jerome Coutant 0:c0f3bbab73d2 97 wm8994_SetFrequency,
Jerome Coutant 0:c0f3bbab73d2 98 wm8994_SetVolume,
Jerome Coutant 0:c0f3bbab73d2 99 wm8994_SetMute,
Jerome Coutant 0:c0f3bbab73d2 100 wm8994_SetOutputMode,
Jerome Coutant 0:c0f3bbab73d2 101
Jerome Coutant 0:c0f3bbab73d2 102 wm8994_Reset
Jerome Coutant 0:c0f3bbab73d2 103 };
Jerome Coutant 0:c0f3bbab73d2 104
Jerome Coutant 0:c0f3bbab73d2 105 static uint32_t outputEnabled = 0;
Jerome Coutant 0:c0f3bbab73d2 106 static uint32_t inputEnabled = 0;
Jerome Coutant 5:60b59d223214 107 static uint8_t ColdStartup = 0; // MBED
Jerome Coutant 4:72a949940ad6 108
Jerome Coutant 0:c0f3bbab73d2 109 /**
Jerome Coutant 0:c0f3bbab73d2 110 * @}
Jerome Coutant 0:c0f3bbab73d2 111 */
Jerome Coutant 0:c0f3bbab73d2 112
Jerome Coutant 0:c0f3bbab73d2 113 /** @defgroup WM8994_Function_Prototypes
Jerome Coutant 0:c0f3bbab73d2 114 * @{
Jerome Coutant 0:c0f3bbab73d2 115 */
Jerome Coutant 0:c0f3bbab73d2 116 static uint8_t CODEC_IO_Write(uint8_t Addr, uint16_t Reg, uint16_t Value);
Jerome Coutant 0:c0f3bbab73d2 117 /**
Jerome Coutant 0:c0f3bbab73d2 118 * @}
Jerome Coutant 0:c0f3bbab73d2 119 */
Jerome Coutant 0:c0f3bbab73d2 120
Jerome Coutant 4:72a949940ad6 121
Jerome Coutant 0:c0f3bbab73d2 122 /** @defgroup WM8994_Private_Functions
Jerome Coutant 0:c0f3bbab73d2 123 * @{
Jerome Coutant 0:c0f3bbab73d2 124 */
Jerome Coutant 0:c0f3bbab73d2 125
Jerome Coutant 0:c0f3bbab73d2 126 /**
Jerome Coutant 0:c0f3bbab73d2 127 * @brief Initializes the audio codec and the control interface.
Jerome Coutant 0:c0f3bbab73d2 128 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:c0f3bbab73d2 129 * @param OutputInputDevice: can be OUTPUT_DEVICE_SPEAKER, OUTPUT_DEVICE_HEADPHONE,
Jerome Coutant 0:c0f3bbab73d2 130 * OUTPUT_DEVICE_BOTH, OUTPUT_DEVICE_AUTO, INPUT_DEVICE_DIGITAL_MICROPHONE_1,
Jerome Coutant 0:c0f3bbab73d2 131 * INPUT_DEVICE_DIGITAL_MICROPHONE_2, INPUT_DEVICE_DIGITAL_MIC1_MIC2,
Jerome Coutant 0:c0f3bbab73d2 132 * INPUT_DEVICE_INPUT_LINE_1 or INPUT_DEVICE_INPUT_LINE_2.
Jerome Coutant 0:c0f3bbab73d2 133 * @param Volume: Initial volume level (from 0 (Mute) to 100 (Max))
Jerome Coutant 0:c0f3bbab73d2 134 * @param AudioFreq: Audio Frequency
Jerome Coutant 0:c0f3bbab73d2 135 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:c0f3bbab73d2 136 */
Jerome Coutant 0:c0f3bbab73d2 137 uint32_t wm8994_Init(uint16_t DeviceAddr, uint16_t OutputInputDevice, uint8_t Volume, uint32_t AudioFreq)
Jerome Coutant 0:c0f3bbab73d2 138 {
Jerome Coutant 0:c0f3bbab73d2 139 uint32_t counter = 0;
Jerome Coutant 0:c0f3bbab73d2 140 uint16_t output_device = OutputInputDevice & 0xFF;
Jerome Coutant 0:c0f3bbab73d2 141 uint16_t input_device = OutputInputDevice & 0xFF00;
Jerome Coutant 0:c0f3bbab73d2 142 uint16_t power_mgnt_reg_1 = 0;
Jerome Coutant 0:c0f3bbab73d2 143
Jerome Coutant 0:c0f3bbab73d2 144 /* Initialize the Control interface of the Audio Codec */
Jerome Coutant 0:c0f3bbab73d2 145 AUDIO_IO_Init();
Jerome Coutant 0:c0f3bbab73d2 146 /* wm8994 Errata Work-Arounds */
Jerome Coutant 0:c0f3bbab73d2 147 counter += CODEC_IO_Write(DeviceAddr, 0x102, 0x0003);
Jerome Coutant 0:c0f3bbab73d2 148 counter += CODEC_IO_Write(DeviceAddr, 0x817, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 149 counter += CODEC_IO_Write(DeviceAddr, 0x102, 0x0000);
Jerome Coutant 4:72a949940ad6 150
Jerome Coutant 0:c0f3bbab73d2 151 /* Enable VMID soft start (fast), Start-up Bias Current Enabled */
Jerome Coutant 0:c0f3bbab73d2 152 counter += CODEC_IO_Write(DeviceAddr, 0x39, 0x006C);
Jerome Coutant 4:72a949940ad6 153
Jerome Coutant 0:c0f3bbab73d2 154 /* Enable bias generator, Enable VMID */
Jerome Coutant 0:c0f3bbab73d2 155 if (input_device > 0)
Jerome Coutant 0:c0f3bbab73d2 156 {
Jerome Coutant 0:c0f3bbab73d2 157 counter += CODEC_IO_Write(DeviceAddr, 0x01, 0x0013);
Jerome Coutant 0:c0f3bbab73d2 158 }
Jerome Coutant 0:c0f3bbab73d2 159 else
Jerome Coutant 0:c0f3bbab73d2 160 {
Jerome Coutant 0:c0f3bbab73d2 161 counter += CODEC_IO_Write(DeviceAddr, 0x01, 0x0003);
Jerome Coutant 0:c0f3bbab73d2 162 }
Jerome Coutant 0:c0f3bbab73d2 163
Jerome Coutant 0:c0f3bbab73d2 164 /* Add Delay */
Jerome Coutant 0:c0f3bbab73d2 165 AUDIO_IO_Delay(50);
Jerome Coutant 0:c0f3bbab73d2 166
Jerome Coutant 0:c0f3bbab73d2 167 /* Path Configurations for output */
Jerome Coutant 0:c0f3bbab73d2 168 if (output_device > 0)
Jerome Coutant 0:c0f3bbab73d2 169 {
Jerome Coutant 0:c0f3bbab73d2 170 outputEnabled = 1;
Jerome Coutant 4:72a949940ad6 171
Jerome Coutant 0:c0f3bbab73d2 172 switch (output_device)
Jerome Coutant 0:c0f3bbab73d2 173 {
Jerome Coutant 0:c0f3bbab73d2 174 case OUTPUT_DEVICE_SPEAKER:
Jerome Coutant 0:c0f3bbab73d2 175 /* Enable DAC1 (Left), Enable DAC1 (Right),
Jerome Coutant 0:c0f3bbab73d2 176 Disable DAC2 (Left), Disable DAC2 (Right)*/
Jerome Coutant 0:c0f3bbab73d2 177 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0C0C);
Jerome Coutant 0:c0f3bbab73d2 178
Jerome Coutant 0:c0f3bbab73d2 179 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 180 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 181
Jerome Coutant 0:c0f3bbab73d2 182 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 183 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 184
Jerome Coutant 0:c0f3bbab73d2 185 /* Disable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 186 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 187
Jerome Coutant 0:c0f3bbab73d2 188 /* Disable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 189 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 190 break;
Jerome Coutant 0:c0f3bbab73d2 191
Jerome Coutant 0:c0f3bbab73d2 192 case OUTPUT_DEVICE_HEADPHONE:
Jerome Coutant 0:c0f3bbab73d2 193 /* Disable DAC1 (Left), Disable DAC1 (Right),
Jerome Coutant 0:c0f3bbab73d2 194 Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:c0f3bbab73d2 195 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303);
Jerome Coutant 0:c0f3bbab73d2 196
Jerome Coutant 0:c0f3bbab73d2 197 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 198 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 199
Jerome Coutant 0:c0f3bbab73d2 200 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 201 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 202
Jerome Coutant 0:c0f3bbab73d2 203 /* Disable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 204 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 205
Jerome Coutant 0:c0f3bbab73d2 206 /* Disable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 207 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 208 break;
Jerome Coutant 0:c0f3bbab73d2 209
Jerome Coutant 0:c0f3bbab73d2 210 case OUTPUT_DEVICE_BOTH:
Jerome Coutant 0:c0f3bbab73d2 211 if (input_device == INPUT_DEVICE_DIGITAL_MIC1_MIC2)
Jerome Coutant 0:c0f3bbab73d2 212 {
Jerome Coutant 0:c0f3bbab73d2 213 /* Enable DAC1 (Left), Enable DAC1 (Right),
Jerome Coutant 0:c0f3bbab73d2 214 also Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:c0f3bbab73d2 215 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303 | 0x0C0C);
Jerome Coutant 0:c0f3bbab73d2 216
Jerome Coutant 0:c0f3bbab73d2 217 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path
Jerome Coutant 0:c0f3bbab73d2 218 Enable the AIF1 Timeslot 1 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 219 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0003);
Jerome Coutant 0:c0f3bbab73d2 220
Jerome Coutant 0:c0f3bbab73d2 221 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path
Jerome Coutant 0:c0f3bbab73d2 222 Enable the AIF1 Timeslot 1 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 223 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0003);
Jerome Coutant 0:c0f3bbab73d2 224
Jerome Coutant 0:c0f3bbab73d2 225 /* Enable the AIF1 Timeslot 0 (Left) to DAC 2 (Left) mixer path
Jerome Coutant 0:c0f3bbab73d2 226 Enable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 227 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0003);
Jerome Coutant 0:c0f3bbab73d2 228
Jerome Coutant 0:c0f3bbab73d2 229 /* Enable the AIF1 Timeslot 0 (Right) to DAC 2 (Right) mixer path
Jerome Coutant 0:c0f3bbab73d2 230 Enable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 231 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0003);
Jerome Coutant 0:c0f3bbab73d2 232 }
Jerome Coutant 0:c0f3bbab73d2 233 else
Jerome Coutant 0:c0f3bbab73d2 234 {
Jerome Coutant 0:c0f3bbab73d2 235 /* Enable DAC1 (Left), Enable DAC1 (Right),
Jerome Coutant 0:c0f3bbab73d2 236 also Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:c0f3bbab73d2 237 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303 | 0x0C0C);
Jerome Coutant 0:c0f3bbab73d2 238
Jerome Coutant 0:c0f3bbab73d2 239 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 240 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 241
Jerome Coutant 0:c0f3bbab73d2 242 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 243 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 244
Jerome Coutant 0:c0f3bbab73d2 245 /* Enable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 246 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 247
Jerome Coutant 0:c0f3bbab73d2 248 /* Enable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 249 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 250 }
Jerome Coutant 0:c0f3bbab73d2 251 break;
Jerome Coutant 0:c0f3bbab73d2 252
Jerome Coutant 0:c0f3bbab73d2 253 case OUTPUT_DEVICE_AUTO :
Jerome Coutant 0:c0f3bbab73d2 254 default:
Jerome Coutant 0:c0f3bbab73d2 255 /* Disable DAC1 (Left), Disable DAC1 (Right),
Jerome Coutant 0:c0f3bbab73d2 256 Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:c0f3bbab73d2 257 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303);
Jerome Coutant 0:c0f3bbab73d2 258
Jerome Coutant 0:c0f3bbab73d2 259 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 260 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 261
Jerome Coutant 0:c0f3bbab73d2 262 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 263 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 264
Jerome Coutant 0:c0f3bbab73d2 265 /* Disable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 266 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 267
Jerome Coutant 0:c0f3bbab73d2 268 /* Disable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 269 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 270 break;
Jerome Coutant 0:c0f3bbab73d2 271 }
Jerome Coutant 0:c0f3bbab73d2 272 }
Jerome Coutant 0:c0f3bbab73d2 273 else
Jerome Coutant 0:c0f3bbab73d2 274 {
Jerome Coutant 0:c0f3bbab73d2 275 outputEnabled = 0;
Jerome Coutant 0:c0f3bbab73d2 276 }
Jerome Coutant 0:c0f3bbab73d2 277
Jerome Coutant 0:c0f3bbab73d2 278 /* Path Configurations for input */
Jerome Coutant 0:c0f3bbab73d2 279 if (input_device > 0)
Jerome Coutant 0:c0f3bbab73d2 280 {
Jerome Coutant 0:c0f3bbab73d2 281 inputEnabled = 1;
Jerome Coutant 0:c0f3bbab73d2 282 switch (input_device)
Jerome Coutant 0:c0f3bbab73d2 283 {
Jerome Coutant 0:c0f3bbab73d2 284 case INPUT_DEVICE_DIGITAL_MICROPHONE_2 :
Jerome Coutant 0:c0f3bbab73d2 285 /* Enable AIF1ADC2 (Left), Enable AIF1ADC2 (Right)
Jerome Coutant 0:c0f3bbab73d2 286 * Enable DMICDAT2 (Left), Enable DMICDAT2 (Right)
Jerome Coutant 0:c0f3bbab73d2 287 * Enable Left ADC, Enable Right ADC */
Jerome Coutant 0:c0f3bbab73d2 288 counter += CODEC_IO_Write(DeviceAddr, 0x04, 0x0C30);
Jerome Coutant 0:c0f3bbab73d2 289
Jerome Coutant 0:c0f3bbab73d2 290 /* Enable AIF1 DRC2 Signal Detect & DRC in AIF1ADC2 Left/Right Timeslot 1 */
Jerome Coutant 0:c0f3bbab73d2 291 counter += CODEC_IO_Write(DeviceAddr, 0x450, 0x00DB);
Jerome Coutant 0:c0f3bbab73d2 292
Jerome Coutant 0:c0f3bbab73d2 293 /* Disable IN1L, IN1R, IN2L, IN2R, Enable Thermal sensor & shutdown */
Jerome Coutant 0:c0f3bbab73d2 294 counter += CODEC_IO_Write(DeviceAddr, 0x02, 0x6000);
Jerome Coutant 0:c0f3bbab73d2 295
Jerome Coutant 0:c0f3bbab73d2 296 /* Enable the DMIC2(Left) to AIF1 Timeslot 1 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 297 counter += CODEC_IO_Write(DeviceAddr, 0x608, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 298
Jerome Coutant 0:c0f3bbab73d2 299 /* Enable the DMIC2(Right) to AIF1 Timeslot 1 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 300 counter += CODEC_IO_Write(DeviceAddr, 0x609, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 301
Jerome Coutant 0:c0f3bbab73d2 302 /* GPIO1 pin configuration GP1_DIR = output, GP1_FN = AIF1 DRC2 signal detect */
Jerome Coutant 0:c0f3bbab73d2 303 counter += CODEC_IO_Write(DeviceAddr, 0x700, 0x000E);
Jerome Coutant 0:c0f3bbab73d2 304 break;
Jerome Coutant 0:c0f3bbab73d2 305
Jerome Coutant 0:c0f3bbab73d2 306 case INPUT_DEVICE_INPUT_LINE_1 :
Jerome Coutant 0:c0f3bbab73d2 307 /* IN1LN_TO_IN1L, IN1LP_TO_VMID, IN1RN_TO_IN1R, IN1RP_TO_VMID */
Jerome Coutant 0:c0f3bbab73d2 308 counter += CODEC_IO_Write(DeviceAddr, 0x28, 0x0011);
Jerome Coutant 0:c0f3bbab73d2 309
Jerome Coutant 0:c0f3bbab73d2 310 /* Disable mute on IN1L_TO_MIXINL and +30dB on IN1L PGA output */
Jerome Coutant 0:c0f3bbab73d2 311 counter += CODEC_IO_Write(DeviceAddr, 0x29, 0x0035);
Jerome Coutant 0:c0f3bbab73d2 312
Jerome Coutant 0:c0f3bbab73d2 313 /* Disable mute on IN1R_TO_MIXINL, Gain = +30dB */
Jerome Coutant 0:c0f3bbab73d2 314 counter += CODEC_IO_Write(DeviceAddr, 0x2A, 0x0035);
Jerome Coutant 0:c0f3bbab73d2 315
Jerome Coutant 0:c0f3bbab73d2 316 /* Enable AIF1ADC1 (Left), Enable AIF1ADC1 (Right)
Jerome Coutant 0:c0f3bbab73d2 317 * Enable Left ADC, Enable Right ADC */
Jerome Coutant 0:c0f3bbab73d2 318 counter += CODEC_IO_Write(DeviceAddr, 0x04, 0x0303);
Jerome Coutant 0:c0f3bbab73d2 319
Jerome Coutant 0:c0f3bbab73d2 320 /* Enable AIF1 DRC1 Signal Detect & DRC in AIF1ADC1 Left/Right Timeslot 0 */
Jerome Coutant 0:c0f3bbab73d2 321 counter += CODEC_IO_Write(DeviceAddr, 0x440, 0x00DB);
Jerome Coutant 0:c0f3bbab73d2 322
Jerome Coutant 0:c0f3bbab73d2 323 /* Enable IN1L and IN1R, Disable IN2L and IN2R, Enable Thermal sensor & shutdown */
Jerome Coutant 0:c0f3bbab73d2 324 counter += CODEC_IO_Write(DeviceAddr, 0x02, 0x6350);
Jerome Coutant 0:c0f3bbab73d2 325
Jerome Coutant 0:c0f3bbab73d2 326 /* Enable the ADCL(Left) to AIF1 Timeslot 0 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 327 counter += CODEC_IO_Write(DeviceAddr, 0x606, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 328
Jerome Coutant 0:c0f3bbab73d2 329 /* Enable the ADCR(Right) to AIF1 Timeslot 0 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 330 counter += CODEC_IO_Write(DeviceAddr, 0x607, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 331
Jerome Coutant 0:c0f3bbab73d2 332 /* GPIO1 pin configuration GP1_DIR = output, GP1_FN = AIF1 DRC1 signal detect */
Jerome Coutant 0:c0f3bbab73d2 333 counter += CODEC_IO_Write(DeviceAddr, 0x700, 0x000D);
Jerome Coutant 0:c0f3bbab73d2 334 break;
Jerome Coutant 0:c0f3bbab73d2 335
Jerome Coutant 0:c0f3bbab73d2 336 case INPUT_DEVICE_DIGITAL_MICROPHONE_1 :
Jerome Coutant 0:c0f3bbab73d2 337 /* Enable AIF1ADC1 (Left), Enable AIF1ADC1 (Right)
Jerome Coutant 0:c0f3bbab73d2 338 * Enable DMICDAT1 (Left), Enable DMICDAT1 (Right)
Jerome Coutant 0:c0f3bbab73d2 339 * Enable Left ADC, Enable Right ADC */
Jerome Coutant 0:c0f3bbab73d2 340 counter += CODEC_IO_Write(DeviceAddr, 0x04, 0x030C);
Jerome Coutant 0:c0f3bbab73d2 341
Jerome Coutant 0:c0f3bbab73d2 342 /* Enable AIF1 DRC2 Signal Detect & DRC in AIF1ADC1 Left/Right Timeslot 0 */
Jerome Coutant 0:c0f3bbab73d2 343 counter += CODEC_IO_Write(DeviceAddr, 0x440, 0x00DB);
Jerome Coutant 0:c0f3bbab73d2 344
Jerome Coutant 0:c0f3bbab73d2 345 /* Disable IN1L, IN1R, IN2L, IN2R, Enable Thermal sensor & shutdown */
Jerome Coutant 0:c0f3bbab73d2 346 counter += CODEC_IO_Write(DeviceAddr, 0x02, 0x6350);
Jerome Coutant 0:c0f3bbab73d2 347
Jerome Coutant 0:c0f3bbab73d2 348 /* Enable the DMIC2(Left) to AIF1 Timeslot 0 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 349 counter += CODEC_IO_Write(DeviceAddr, 0x606, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 350
Jerome Coutant 0:c0f3bbab73d2 351 /* Enable the DMIC2(Right) to AIF1 Timeslot 0 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 352 counter += CODEC_IO_Write(DeviceAddr, 0x607, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 353
Jerome Coutant 0:c0f3bbab73d2 354 /* GPIO1 pin configuration GP1_DIR = output, GP1_FN = AIF1 DRC1 signal detect */
Jerome Coutant 0:c0f3bbab73d2 355 counter += CODEC_IO_Write(DeviceAddr, 0x700, 0x000D);
Jerome Coutant 0:c0f3bbab73d2 356 break;
Jerome Coutant 0:c0f3bbab73d2 357 case INPUT_DEVICE_DIGITAL_MIC1_MIC2 :
Jerome Coutant 0:c0f3bbab73d2 358 /* Enable AIF1ADC1 (Left), Enable AIF1ADC1 (Right)
Jerome Coutant 0:c0f3bbab73d2 359 * Enable DMICDAT1 (Left), Enable DMICDAT1 (Right)
Jerome Coutant 0:c0f3bbab73d2 360 * Enable Left ADC, Enable Right ADC */
Jerome Coutant 0:c0f3bbab73d2 361 counter += CODEC_IO_Write(DeviceAddr, 0x04, 0x0F3C);
Jerome Coutant 0:c0f3bbab73d2 362
Jerome Coutant 0:c0f3bbab73d2 363 /* Enable AIF1 DRC2 Signal Detect & DRC in AIF1ADC2 Left/Right Timeslot 1 */
Jerome Coutant 0:c0f3bbab73d2 364 counter += CODEC_IO_Write(DeviceAddr, 0x450, 0x00DB);
Jerome Coutant 0:c0f3bbab73d2 365
Jerome Coutant 0:c0f3bbab73d2 366 /* Enable AIF1 DRC2 Signal Detect & DRC in AIF1ADC1 Left/Right Timeslot 0 */
Jerome Coutant 0:c0f3bbab73d2 367 counter += CODEC_IO_Write(DeviceAddr, 0x440, 0x00DB);
Jerome Coutant 0:c0f3bbab73d2 368
Jerome Coutant 0:c0f3bbab73d2 369 /* Disable IN1L, IN1R, Enable IN2L, IN2R, Thermal sensor & shutdown */
Jerome Coutant 0:c0f3bbab73d2 370 counter += CODEC_IO_Write(DeviceAddr, 0x02, 0x63A0);
Jerome Coutant 0:c0f3bbab73d2 371
Jerome Coutant 0:c0f3bbab73d2 372 /* Enable the DMIC2(Left) to AIF1 Timeslot 0 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 373 counter += CODEC_IO_Write(DeviceAddr, 0x606, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 374
Jerome Coutant 0:c0f3bbab73d2 375 /* Enable the DMIC2(Right) to AIF1 Timeslot 0 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 376 counter += CODEC_IO_Write(DeviceAddr, 0x607, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 377
Jerome Coutant 0:c0f3bbab73d2 378 /* Enable the DMIC2(Left) to AIF1 Timeslot 1 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 379 counter += CODEC_IO_Write(DeviceAddr, 0x608, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 380
Jerome Coutant 0:c0f3bbab73d2 381 /* Enable the DMIC2(Right) to AIF1 Timeslot 1 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 382 counter += CODEC_IO_Write(DeviceAddr, 0x609, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 383
Jerome Coutant 0:c0f3bbab73d2 384 /* GPIO1 pin configuration GP1_DIR = output, GP1_FN = AIF1 DRC1 signal detect */
Jerome Coutant 0:c0f3bbab73d2 385 counter += CODEC_IO_Write(DeviceAddr, 0x700, 0x000D);
Jerome Coutant 0:c0f3bbab73d2 386 break;
Jerome Coutant 0:c0f3bbab73d2 387 case INPUT_DEVICE_INPUT_LINE_2 :
Jerome Coutant 0:c0f3bbab73d2 388 default:
Jerome Coutant 0:c0f3bbab73d2 389 /* Actually, no other input devices supported */
Jerome Coutant 0:c0f3bbab73d2 390 counter++;
Jerome Coutant 0:c0f3bbab73d2 391 break;
Jerome Coutant 0:c0f3bbab73d2 392 }
Jerome Coutant 0:c0f3bbab73d2 393 }
Jerome Coutant 0:c0f3bbab73d2 394 else
Jerome Coutant 0:c0f3bbab73d2 395 {
Jerome Coutant 0:c0f3bbab73d2 396 inputEnabled = 0;
Jerome Coutant 0:c0f3bbab73d2 397 }
Jerome Coutant 0:c0f3bbab73d2 398
Jerome Coutant 0:c0f3bbab73d2 399 /* Clock Configurations */
Jerome Coutant 0:c0f3bbab73d2 400 switch (AudioFreq)
Jerome Coutant 0:c0f3bbab73d2 401 {
Jerome Coutant 0:c0f3bbab73d2 402 case AUDIO_FREQUENCY_8K:
Jerome Coutant 0:c0f3bbab73d2 403 /* AIF1 Sample Rate = 8 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 404 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0003);
Jerome Coutant 0:c0f3bbab73d2 405 break;
Jerome Coutant 0:c0f3bbab73d2 406
Jerome Coutant 0:c0f3bbab73d2 407 case AUDIO_FREQUENCY_16K:
Jerome Coutant 0:c0f3bbab73d2 408 /* AIF1 Sample Rate = 16 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 409 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0033);
Jerome Coutant 0:c0f3bbab73d2 410 break;
Jerome Coutant 0:c0f3bbab73d2 411
Jerome Coutant 0:c0f3bbab73d2 412 case AUDIO_FREQUENCY_32K:
Jerome Coutant 0:c0f3bbab73d2 413 /* AIF1 Sample Rate = 32 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 414 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0063);
Jerome Coutant 0:c0f3bbab73d2 415 break;
Jerome Coutant 0:c0f3bbab73d2 416
Jerome Coutant 0:c0f3bbab73d2 417 case AUDIO_FREQUENCY_48K:
Jerome Coutant 0:c0f3bbab73d2 418 /* AIF1 Sample Rate = 48 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 419 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0083);
Jerome Coutant 0:c0f3bbab73d2 420 break;
Jerome Coutant 0:c0f3bbab73d2 421
Jerome Coutant 0:c0f3bbab73d2 422 case AUDIO_FREQUENCY_96K:
Jerome Coutant 0:c0f3bbab73d2 423 /* AIF1 Sample Rate = 96 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 424 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x00A3);
Jerome Coutant 0:c0f3bbab73d2 425 break;
Jerome Coutant 0:c0f3bbab73d2 426
Jerome Coutant 0:c0f3bbab73d2 427 case AUDIO_FREQUENCY_11K:
Jerome Coutant 0:c0f3bbab73d2 428 /* AIF1 Sample Rate = 11.025 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 429 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0013);
Jerome Coutant 0:c0f3bbab73d2 430 break;
Jerome Coutant 0:c0f3bbab73d2 431
Jerome Coutant 0:c0f3bbab73d2 432 case AUDIO_FREQUENCY_22K:
Jerome Coutant 0:c0f3bbab73d2 433 /* AIF1 Sample Rate = 22.050 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 434 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0043);
Jerome Coutant 0:c0f3bbab73d2 435 break;
Jerome Coutant 0:c0f3bbab73d2 436
Jerome Coutant 0:c0f3bbab73d2 437 case AUDIO_FREQUENCY_44K:
Jerome Coutant 0:c0f3bbab73d2 438 /* AIF1 Sample Rate = 44.1 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 439 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0073);
Jerome Coutant 0:c0f3bbab73d2 440 break;
Jerome Coutant 0:c0f3bbab73d2 441
Jerome Coutant 0:c0f3bbab73d2 442 default:
Jerome Coutant 0:c0f3bbab73d2 443 /* AIF1 Sample Rate = 48 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 444 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0083);
Jerome Coutant 0:c0f3bbab73d2 445 break;
Jerome Coutant 0:c0f3bbab73d2 446 }
Jerome Coutant 0:c0f3bbab73d2 447
Jerome Coutant 0:c0f3bbab73d2 448 if(input_device == INPUT_DEVICE_DIGITAL_MIC1_MIC2)
Jerome Coutant 0:c0f3bbab73d2 449 {
Jerome Coutant 0:c0f3bbab73d2 450 /* AIF1 Word Length = 16-bits, AIF1 Format = DSP mode */
Jerome Coutant 0:c0f3bbab73d2 451 counter += CODEC_IO_Write(DeviceAddr, 0x300, 0x4018);
Jerome Coutant 0:c0f3bbab73d2 452 }
Jerome Coutant 0:c0f3bbab73d2 453 else
Jerome Coutant 0:c0f3bbab73d2 454 {
Jerome Coutant 0:c0f3bbab73d2 455 /* AIF1 Word Length = 16-bits, AIF1 Format = I2S (Default Register Value) */
Jerome Coutant 0:c0f3bbab73d2 456 counter += CODEC_IO_Write(DeviceAddr, 0x300, 0x4010);
Jerome Coutant 0:c0f3bbab73d2 457 }
Jerome Coutant 0:c0f3bbab73d2 458
Jerome Coutant 0:c0f3bbab73d2 459 /* slave mode */
Jerome Coutant 0:c0f3bbab73d2 460 counter += CODEC_IO_Write(DeviceAddr, 0x302, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 461
Jerome Coutant 0:c0f3bbab73d2 462 /* Enable the DSP processing clock for AIF1, Enable the core clock */
Jerome Coutant 0:c0f3bbab73d2 463 counter += CODEC_IO_Write(DeviceAddr, 0x208, 0x000A);
Jerome Coutant 0:c0f3bbab73d2 464
Jerome Coutant 0:c0f3bbab73d2 465 /* Enable AIF1 Clock, AIF1 Clock Source = MCLK1 pin */
Jerome Coutant 0:c0f3bbab73d2 466 counter += CODEC_IO_Write(DeviceAddr, 0x200, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 467
Jerome Coutant 0:c0f3bbab73d2 468 if (output_device > 0) /* Audio output selected */
Jerome Coutant 0:c0f3bbab73d2 469 {
Jerome Coutant 4:72a949940ad6 470 if (output_device == OUTPUT_DEVICE_HEADPHONE)
Jerome Coutant 4:72a949940ad6 471 {
Jerome Coutant 4:72a949940ad6 472 /* Select DAC1 (Left) to Left Headphone Output PGA (HPOUT1LVOL) path */
Jerome Coutant 4:72a949940ad6 473 counter += CODEC_IO_Write(DeviceAddr, 0x2D, 0x0100);
Jerome Coutant 4:72a949940ad6 474
Jerome Coutant 4:72a949940ad6 475 /* Select DAC1 (Right) to Right Headphone Output PGA (HPOUT1RVOL) path */
Jerome Coutant 4:72a949940ad6 476 counter += CODEC_IO_Write(DeviceAddr, 0x2E, 0x0100);
Jerome Coutant 4:72a949940ad6 477
Jerome Coutant 4:72a949940ad6 478 /* Startup sequence for Headphone */
Jerome Coutant 4:72a949940ad6 479 if(ColdStartup)
Jerome Coutant 4:72a949940ad6 480 {
Jerome Coutant 4:72a949940ad6 481 counter += CODEC_IO_Write(DeviceAddr,0x110,0x8100);
Jerome Coutant 4:72a949940ad6 482
Jerome Coutant 4:72a949940ad6 483 ColdStartup=0;
Jerome Coutant 4:72a949940ad6 484 /* Add Delay */
Jerome Coutant 4:72a949940ad6 485 AUDIO_IO_Delay(300);
Jerome Coutant 4:72a949940ad6 486 }
Jerome Coutant 4:72a949940ad6 487 else /* Headphone Warm Start-Up */
Jerome Coutant 4:72a949940ad6 488 {
Jerome Coutant 4:72a949940ad6 489 counter += CODEC_IO_Write(DeviceAddr,0x110,0x8108);
Jerome Coutant 4:72a949940ad6 490 /* Add Delay */
Jerome Coutant 4:72a949940ad6 491 AUDIO_IO_Delay(50);
Jerome Coutant 4:72a949940ad6 492 }
Jerome Coutant 4:72a949940ad6 493
Jerome Coutant 4:72a949940ad6 494 /* Soft un-Mute the AIF1 Timeslot 0 DAC1 path L&R */
Jerome Coutant 4:72a949940ad6 495 counter += CODEC_IO_Write(DeviceAddr, 0x420, 0x0000);
Jerome Coutant 4:72a949940ad6 496 }
Jerome Coutant 0:c0f3bbab73d2 497 /* Analog Output Configuration */
Jerome Coutant 0:c0f3bbab73d2 498
Jerome Coutant 0:c0f3bbab73d2 499 /* Enable SPKRVOL PGA, Enable SPKMIXR, Enable SPKLVOL PGA, Enable SPKMIXL */
Jerome Coutant 0:c0f3bbab73d2 500 counter += CODEC_IO_Write(DeviceAddr, 0x03, 0x0300);
Jerome Coutant 0:c0f3bbab73d2 501
Jerome Coutant 0:c0f3bbab73d2 502 /* Left Speaker Mixer Volume = 0dB */
Jerome Coutant 0:c0f3bbab73d2 503 counter += CODEC_IO_Write(DeviceAddr, 0x22, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 504
Jerome Coutant 0:c0f3bbab73d2 505 /* Speaker output mode = Class D, Right Speaker Mixer Volume = 0dB ((0x23, 0x0100) = class AB)*/
Jerome Coutant 0:c0f3bbab73d2 506 counter += CODEC_IO_Write(DeviceAddr, 0x23, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 507
Jerome Coutant 0:c0f3bbab73d2 508 /* Unmute DAC2 (Left) to Left Speaker Mixer (SPKMIXL) path,
Jerome Coutant 0:c0f3bbab73d2 509 Unmute DAC2 (Right) to Right Speaker Mixer (SPKMIXR) path */
Jerome Coutant 0:c0f3bbab73d2 510 counter += CODEC_IO_Write(DeviceAddr, 0x36, 0x0300);
Jerome Coutant 0:c0f3bbab73d2 511
Jerome Coutant 0:c0f3bbab73d2 512 /* Enable bias generator, Enable VMID, Enable SPKOUTL, Enable SPKOUTR */
Jerome Coutant 0:c0f3bbab73d2 513 counter += CODEC_IO_Write(DeviceAddr, 0x01, 0x3003);
Jerome Coutant 0:c0f3bbab73d2 514
Jerome Coutant 0:c0f3bbab73d2 515 /* Headphone/Speaker Enable */
Jerome Coutant 0:c0f3bbab73d2 516
Jerome Coutant 0:c0f3bbab73d2 517 if (input_device == INPUT_DEVICE_DIGITAL_MIC1_MIC2)
Jerome Coutant 0:c0f3bbab73d2 518 {
Jerome Coutant 0:c0f3bbab73d2 519 /* Enable Class W, Class W Envelope Tracking = AIF1 Timeslots 0 and 1 */
Jerome Coutant 0:c0f3bbab73d2 520 counter += CODEC_IO_Write(DeviceAddr, 0x51, 0x0205);
Jerome Coutant 0:c0f3bbab73d2 521 }
Jerome Coutant 0:c0f3bbab73d2 522 else
Jerome Coutant 0:c0f3bbab73d2 523 {
Jerome Coutant 0:c0f3bbab73d2 524 /* Enable Class W, Class W Envelope Tracking = AIF1 Timeslot 0 */
Jerome Coutant 0:c0f3bbab73d2 525 counter += CODEC_IO_Write(DeviceAddr, 0x51, 0x0005);
Jerome Coutant 0:c0f3bbab73d2 526 }
Jerome Coutant 0:c0f3bbab73d2 527
Jerome Coutant 0:c0f3bbab73d2 528 /* Enable bias generator, Enable VMID, Enable HPOUT1 (Left) and Enable HPOUT1 (Right) input stages */
Jerome Coutant 0:c0f3bbab73d2 529 /* idem for Speaker */
Jerome Coutant 0:c0f3bbab73d2 530 power_mgnt_reg_1 |= 0x0303 | 0x3003;
Jerome Coutant 0:c0f3bbab73d2 531 counter += CODEC_IO_Write(DeviceAddr, 0x01, power_mgnt_reg_1);
Jerome Coutant 0:c0f3bbab73d2 532
Jerome Coutant 0:c0f3bbab73d2 533 /* Enable HPOUT1 (Left) and HPOUT1 (Right) intermediate stages */
Jerome Coutant 0:c0f3bbab73d2 534 counter += CODEC_IO_Write(DeviceAddr, 0x60, 0x0022);
Jerome Coutant 0:c0f3bbab73d2 535
Jerome Coutant 0:c0f3bbab73d2 536 /* Enable Charge Pump */
Jerome Coutant 0:c0f3bbab73d2 537 counter += CODEC_IO_Write(DeviceAddr, 0x4C, 0x9F25);
Jerome Coutant 0:c0f3bbab73d2 538
Jerome Coutant 0:c0f3bbab73d2 539 /* Add Delay */
Jerome Coutant 0:c0f3bbab73d2 540 AUDIO_IO_Delay(15);
Jerome Coutant 0:c0f3bbab73d2 541
Jerome Coutant 0:c0f3bbab73d2 542 /* Select DAC1 (Left) to Left Headphone Output PGA (HPOUT1LVOL) path */
Jerome Coutant 0:c0f3bbab73d2 543 counter += CODEC_IO_Write(DeviceAddr, 0x2D, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 544
Jerome Coutant 0:c0f3bbab73d2 545 /* Select DAC1 (Right) to Right Headphone Output PGA (HPOUT1RVOL) path */
Jerome Coutant 0:c0f3bbab73d2 546 counter += CODEC_IO_Write(DeviceAddr, 0x2E, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 547
Jerome Coutant 0:c0f3bbab73d2 548 /* Enable Left Output Mixer (MIXOUTL), Enable Right Output Mixer (MIXOUTR) */
Jerome Coutant 0:c0f3bbab73d2 549 /* idem for SPKOUTL and SPKOUTR */
Jerome Coutant 0:c0f3bbab73d2 550 counter += CODEC_IO_Write(DeviceAddr, 0x03, 0x0030 | 0x0300);
Jerome Coutant 0:c0f3bbab73d2 551
Jerome Coutant 0:c0f3bbab73d2 552 /* Enable DC Servo and trigger start-up mode on left and right channels */
Jerome Coutant 0:c0f3bbab73d2 553 counter += CODEC_IO_Write(DeviceAddr, 0x54, 0x0033);
Jerome Coutant 0:c0f3bbab73d2 554
Jerome Coutant 0:c0f3bbab73d2 555 /* Add Delay */
Jerome Coutant 4:72a949940ad6 556 AUDIO_IO_Delay(257);
Jerome Coutant 0:c0f3bbab73d2 557
Jerome Coutant 0:c0f3bbab73d2 558 /* Enable HPOUT1 (Left) and HPOUT1 (Right) intermediate and output stages. Remove clamps */
Jerome Coutant 0:c0f3bbab73d2 559 counter += CODEC_IO_Write(DeviceAddr, 0x60, 0x00EE);
Jerome Coutant 0:c0f3bbab73d2 560
Jerome Coutant 0:c0f3bbab73d2 561 /* Unmutes */
Jerome Coutant 0:c0f3bbab73d2 562
Jerome Coutant 0:c0f3bbab73d2 563 /* Unmute DAC 1 (Left) */
Jerome Coutant 0:c0f3bbab73d2 564 counter += CODEC_IO_Write(DeviceAddr, 0x610, 0x00C0);
Jerome Coutant 0:c0f3bbab73d2 565
Jerome Coutant 0:c0f3bbab73d2 566 /* Unmute DAC 1 (Right) */
Jerome Coutant 0:c0f3bbab73d2 567 counter += CODEC_IO_Write(DeviceAddr, 0x611, 0x00C0);
Jerome Coutant 0:c0f3bbab73d2 568
Jerome Coutant 0:c0f3bbab73d2 569 /* Unmute the AIF1 Timeslot 0 DAC path */
Jerome Coutant 4:72a949940ad6 570 counter += CODEC_IO_Write(DeviceAddr, 0x420, 0x0010);
Jerome Coutant 0:c0f3bbab73d2 571
Jerome Coutant 0:c0f3bbab73d2 572 /* Unmute DAC 2 (Left) */
Jerome Coutant 0:c0f3bbab73d2 573 counter += CODEC_IO_Write(DeviceAddr, 0x612, 0x00C0);
Jerome Coutant 0:c0f3bbab73d2 574
Jerome Coutant 0:c0f3bbab73d2 575 /* Unmute DAC 2 (Right) */
Jerome Coutant 0:c0f3bbab73d2 576 counter += CODEC_IO_Write(DeviceAddr, 0x613, 0x00C0);
Jerome Coutant 0:c0f3bbab73d2 577
Jerome Coutant 0:c0f3bbab73d2 578 /* Unmute the AIF1 Timeslot 1 DAC2 path */
Jerome Coutant 4:72a949940ad6 579 counter += CODEC_IO_Write(DeviceAddr, 0x422, 0x0010);
Jerome Coutant 0:c0f3bbab73d2 580
Jerome Coutant 0:c0f3bbab73d2 581 /* Volume Control */
Jerome Coutant 0:c0f3bbab73d2 582 wm8994_SetVolume(DeviceAddr, Volume);
Jerome Coutant 0:c0f3bbab73d2 583 }
Jerome Coutant 0:c0f3bbab73d2 584
Jerome Coutant 0:c0f3bbab73d2 585 if (input_device > 0) /* Audio input selected */
Jerome Coutant 0:c0f3bbab73d2 586 {
Jerome Coutant 0:c0f3bbab73d2 587 if ((input_device == INPUT_DEVICE_DIGITAL_MICROPHONE_1) || (input_device == INPUT_DEVICE_DIGITAL_MICROPHONE_2))
Jerome Coutant 0:c0f3bbab73d2 588 {
Jerome Coutant 0:c0f3bbab73d2 589 /* Enable Microphone bias 1 generator, Enable VMID */
Jerome Coutant 0:c0f3bbab73d2 590 power_mgnt_reg_1 |= 0x0013;
Jerome Coutant 0:c0f3bbab73d2 591 counter += CODEC_IO_Write(DeviceAddr, 0x01, power_mgnt_reg_1);
Jerome Coutant 0:c0f3bbab73d2 592
Jerome Coutant 0:c0f3bbab73d2 593 /* ADC oversample enable */
Jerome Coutant 0:c0f3bbab73d2 594 counter += CODEC_IO_Write(DeviceAddr, 0x620, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 595
Jerome Coutant 0:c0f3bbab73d2 596 /* AIF ADC2 HPF enable, HPF cut = voice mode 1 fc=127Hz at fs=8kHz */
Jerome Coutant 0:c0f3bbab73d2 597 counter += CODEC_IO_Write(DeviceAddr, 0x411, 0x3800);
Jerome Coutant 0:c0f3bbab73d2 598 }
Jerome Coutant 0:c0f3bbab73d2 599 else if(input_device == INPUT_DEVICE_DIGITAL_MIC1_MIC2)
Jerome Coutant 0:c0f3bbab73d2 600 {
Jerome Coutant 0:c0f3bbab73d2 601 /* Enable Microphone bias 1 generator, Enable VMID */
Jerome Coutant 0:c0f3bbab73d2 602 power_mgnt_reg_1 |= 0x0013;
Jerome Coutant 0:c0f3bbab73d2 603 counter += CODEC_IO_Write(DeviceAddr, 0x01, power_mgnt_reg_1);
Jerome Coutant 0:c0f3bbab73d2 604
Jerome Coutant 0:c0f3bbab73d2 605 /* ADC oversample enable */
Jerome Coutant 0:c0f3bbab73d2 606 counter += CODEC_IO_Write(DeviceAddr, 0x620, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 607
Jerome Coutant 0:c0f3bbab73d2 608 /* AIF ADC1 HPF enable, HPF cut = voice mode 1 fc=127Hz at fs=8kHz */
Jerome Coutant 0:c0f3bbab73d2 609 counter += CODEC_IO_Write(DeviceAddr, 0x410, 0x1800);
Jerome Coutant 0:c0f3bbab73d2 610
Jerome Coutant 0:c0f3bbab73d2 611 /* AIF ADC2 HPF enable, HPF cut = voice mode 1 fc=127Hz at fs=8kHz */
Jerome Coutant 0:c0f3bbab73d2 612 counter += CODEC_IO_Write(DeviceAddr, 0x411, 0x1800);
Jerome Coutant 0:c0f3bbab73d2 613 }
Jerome Coutant 0:c0f3bbab73d2 614 else if ((input_device == INPUT_DEVICE_INPUT_LINE_1) || (input_device == INPUT_DEVICE_INPUT_LINE_2))
Jerome Coutant 0:c0f3bbab73d2 615 {
Jerome Coutant 0:c0f3bbab73d2 616
Jerome Coutant 0:c0f3bbab73d2 617 /* Disable mute on IN1L, IN1L Volume = +0dB */
Jerome Coutant 0:c0f3bbab73d2 618 counter += CODEC_IO_Write(DeviceAddr, 0x18, 0x000B);
Jerome Coutant 0:c0f3bbab73d2 619
Jerome Coutant 0:c0f3bbab73d2 620 /* Disable mute on IN1R, IN1R Volume = +0dB */
Jerome Coutant 0:c0f3bbab73d2 621 counter += CODEC_IO_Write(DeviceAddr, 0x1A, 0x000B);
Jerome Coutant 0:c0f3bbab73d2 622
Jerome Coutant 0:c0f3bbab73d2 623 /* AIF ADC1 HPF enable, HPF cut = hifi mode fc=4Hz at fs=48kHz */
Jerome Coutant 0:c0f3bbab73d2 624 counter += CODEC_IO_Write(DeviceAddr, 0x410, 0x1800);
Jerome Coutant 0:c0f3bbab73d2 625 }
Jerome Coutant 0:c0f3bbab73d2 626 /* Volume Control */
Jerome Coutant 0:c0f3bbab73d2 627 wm8994_SetVolume(DeviceAddr, Volume);
Jerome Coutant 0:c0f3bbab73d2 628 }
Jerome Coutant 0:c0f3bbab73d2 629 /* Return communication control value */
Jerome Coutant 0:c0f3bbab73d2 630 return counter;
Jerome Coutant 0:c0f3bbab73d2 631 }
Jerome Coutant 0:c0f3bbab73d2 632
Jerome Coutant 0:c0f3bbab73d2 633 /**
Jerome Coutant 0:c0f3bbab73d2 634 * @brief Deinitializes the audio codec.
Jerome Coutant 0:c0f3bbab73d2 635 * @param None
Jerome Coutant 0:c0f3bbab73d2 636 * @retval None
Jerome Coutant 0:c0f3bbab73d2 637 */
Jerome Coutant 0:c0f3bbab73d2 638 void wm8994_DeInit(void)
Jerome Coutant 0:c0f3bbab73d2 639 {
Jerome Coutant 0:c0f3bbab73d2 640 /* Deinitialize Audio Codec interface */
Jerome Coutant 0:c0f3bbab73d2 641 AUDIO_IO_DeInit();
Jerome Coutant 0:c0f3bbab73d2 642 }
Jerome Coutant 0:c0f3bbab73d2 643
Jerome Coutant 0:c0f3bbab73d2 644 /**
Jerome Coutant 0:c0f3bbab73d2 645 * @brief Get the WM8994 ID.
Jerome Coutant 0:c0f3bbab73d2 646 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:c0f3bbab73d2 647 * @retval The WM8994 ID
Jerome Coutant 0:c0f3bbab73d2 648 */
Jerome Coutant 0:c0f3bbab73d2 649 uint32_t wm8994_ReadID(uint16_t DeviceAddr)
Jerome Coutant 0:c0f3bbab73d2 650 {
Jerome Coutant 0:c0f3bbab73d2 651 /* Initialize the Control interface of the Audio Codec */
Jerome Coutant 0:c0f3bbab73d2 652 AUDIO_IO_Init();
Jerome Coutant 0:c0f3bbab73d2 653
Jerome Coutant 0:c0f3bbab73d2 654 return ((uint32_t)AUDIO_IO_Read(DeviceAddr, WM8994_CHIPID_ADDR));
Jerome Coutant 0:c0f3bbab73d2 655 }
Jerome Coutant 0:c0f3bbab73d2 656
Jerome Coutant 0:c0f3bbab73d2 657 /**
Jerome Coutant 0:c0f3bbab73d2 658 * @brief Start the audio Codec play feature.
Jerome Coutant 0:c0f3bbab73d2 659 * @note For this codec no Play options are required.
Jerome Coutant 0:c0f3bbab73d2 660 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:c0f3bbab73d2 661 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:c0f3bbab73d2 662 */
Jerome Coutant 0:c0f3bbab73d2 663 uint32_t wm8994_Play(uint16_t DeviceAddr, uint16_t* pBuffer, uint16_t Size)
Jerome Coutant 0:c0f3bbab73d2 664 {
Jerome Coutant 0:c0f3bbab73d2 665 uint32_t counter = 0;
Jerome Coutant 0:c0f3bbab73d2 666
Jerome Coutant 0:c0f3bbab73d2 667 /* Resumes the audio file playing */
Jerome Coutant 0:c0f3bbab73d2 668 /* Unmute the output first */
Jerome Coutant 0:c0f3bbab73d2 669 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_OFF);
Jerome Coutant 0:c0f3bbab73d2 670
Jerome Coutant 0:c0f3bbab73d2 671 return counter;
Jerome Coutant 0:c0f3bbab73d2 672 }
Jerome Coutant 0:c0f3bbab73d2 673
Jerome Coutant 0:c0f3bbab73d2 674 /**
Jerome Coutant 0:c0f3bbab73d2 675 * @brief Pauses playing on the audio codec.
Jerome Coutant 0:c0f3bbab73d2 676 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:c0f3bbab73d2 677 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:c0f3bbab73d2 678 */
Jerome Coutant 0:c0f3bbab73d2 679 uint32_t wm8994_Pause(uint16_t DeviceAddr)
Jerome Coutant 0:c0f3bbab73d2 680 {
Jerome Coutant 0:c0f3bbab73d2 681 uint32_t counter = 0;
Jerome Coutant 0:c0f3bbab73d2 682
Jerome Coutant 0:c0f3bbab73d2 683 /* Pause the audio file playing */
Jerome Coutant 0:c0f3bbab73d2 684 /* Mute the output first */
Jerome Coutant 0:c0f3bbab73d2 685 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_ON);
Jerome Coutant 0:c0f3bbab73d2 686
Jerome Coutant 0:c0f3bbab73d2 687 /* Put the Codec in Power save mode */
Jerome Coutant 0:c0f3bbab73d2 688 counter += CODEC_IO_Write(DeviceAddr, 0x02, 0x01);
Jerome Coutant 0:c0f3bbab73d2 689
Jerome Coutant 0:c0f3bbab73d2 690 return counter;
Jerome Coutant 0:c0f3bbab73d2 691 }
Jerome Coutant 0:c0f3bbab73d2 692
Jerome Coutant 0:c0f3bbab73d2 693 /**
Jerome Coutant 0:c0f3bbab73d2 694 * @brief Resumes playing on the audio codec.
Jerome Coutant 0:c0f3bbab73d2 695 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:c0f3bbab73d2 696 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:c0f3bbab73d2 697 */
Jerome Coutant 0:c0f3bbab73d2 698 uint32_t wm8994_Resume(uint16_t DeviceAddr)
Jerome Coutant 0:c0f3bbab73d2 699 {
Jerome Coutant 0:c0f3bbab73d2 700 uint32_t counter = 0;
Jerome Coutant 0:c0f3bbab73d2 701
Jerome Coutant 0:c0f3bbab73d2 702 /* Resumes the audio file playing */
Jerome Coutant 0:c0f3bbab73d2 703 /* Unmute the output first */
Jerome Coutant 0:c0f3bbab73d2 704 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_OFF);
Jerome Coutant 0:c0f3bbab73d2 705
Jerome Coutant 0:c0f3bbab73d2 706 return counter;
Jerome Coutant 0:c0f3bbab73d2 707 }
Jerome Coutant 0:c0f3bbab73d2 708
Jerome Coutant 0:c0f3bbab73d2 709 /**
Jerome Coutant 0:c0f3bbab73d2 710 * @brief Stops audio Codec playing. It powers down the codec.
Jerome Coutant 0:c0f3bbab73d2 711 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:c0f3bbab73d2 712 * @param CodecPdwnMode: selects the power down mode.
Jerome Coutant 0:c0f3bbab73d2 713 * - CODEC_PDWN_SW: only mutes the audio codec. When resuming from this
Jerome Coutant 0:c0f3bbab73d2 714 * mode the codec keeps the previous initialization
Jerome Coutant 0:c0f3bbab73d2 715 * (no need to re-Initialize the codec registers).
Jerome Coutant 0:c0f3bbab73d2 716 * - CODEC_PDWN_HW: Physically power down the codec. When resuming from this
Jerome Coutant 0:c0f3bbab73d2 717 * mode, the codec is set to default configuration
Jerome Coutant 0:c0f3bbab73d2 718 * (user should re-Initialize the codec in order to
Jerome Coutant 0:c0f3bbab73d2 719 * play again the audio stream).
Jerome Coutant 0:c0f3bbab73d2 720 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:c0f3bbab73d2 721 */
Jerome Coutant 0:c0f3bbab73d2 722 uint32_t wm8994_Stop(uint16_t DeviceAddr, uint32_t CodecPdwnMode)
Jerome Coutant 0:c0f3bbab73d2 723 {
Jerome Coutant 0:c0f3bbab73d2 724 uint32_t counter = 0;
Jerome Coutant 0:c0f3bbab73d2 725
Jerome Coutant 0:c0f3bbab73d2 726 if (outputEnabled != 0)
Jerome Coutant 0:c0f3bbab73d2 727 {
Jerome Coutant 0:c0f3bbab73d2 728 /* Mute the output first */
Jerome Coutant 0:c0f3bbab73d2 729 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_ON);
Jerome Coutant 0:c0f3bbab73d2 730
Jerome Coutant 0:c0f3bbab73d2 731 if (CodecPdwnMode == CODEC_PDWN_SW)
Jerome Coutant 0:c0f3bbab73d2 732 {
Jerome Coutant 4:72a949940ad6 733 /* Only output mute required*/
Jerome Coutant 0:c0f3bbab73d2 734 }
Jerome Coutant 0:c0f3bbab73d2 735 else /* CODEC_PDWN_HW */
Jerome Coutant 0:c0f3bbab73d2 736 {
Jerome Coutant 0:c0f3bbab73d2 737 /* Mute the AIF1 Timeslot 0 DAC1 path */
Jerome Coutant 0:c0f3bbab73d2 738 counter += CODEC_IO_Write(DeviceAddr, 0x420, 0x0200);
Jerome Coutant 0:c0f3bbab73d2 739
Jerome Coutant 0:c0f3bbab73d2 740 /* Mute the AIF1 Timeslot 1 DAC2 path */
Jerome Coutant 0:c0f3bbab73d2 741 counter += CODEC_IO_Write(DeviceAddr, 0x422, 0x0200);
Jerome Coutant 0:c0f3bbab73d2 742
Jerome Coutant 0:c0f3bbab73d2 743 /* Disable DAC1L_TO_HPOUT1L */
Jerome Coutant 0:c0f3bbab73d2 744 counter += CODEC_IO_Write(DeviceAddr, 0x2D, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 745
Jerome Coutant 0:c0f3bbab73d2 746 /* Disable DAC1R_TO_HPOUT1R */
Jerome Coutant 0:c0f3bbab73d2 747 counter += CODEC_IO_Write(DeviceAddr, 0x2E, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 748
Jerome Coutant 0:c0f3bbab73d2 749 /* Disable DAC1 and DAC2 */
Jerome Coutant 0:c0f3bbab73d2 750 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 751
Jerome Coutant 0:c0f3bbab73d2 752 /* Reset Codec by writing in 0x0000 address register */
Jerome Coutant 0:c0f3bbab73d2 753 counter += CODEC_IO_Write(DeviceAddr, 0x0000, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 754
Jerome Coutant 0:c0f3bbab73d2 755 outputEnabled = 0;
Jerome Coutant 0:c0f3bbab73d2 756 }
Jerome Coutant 0:c0f3bbab73d2 757 }
Jerome Coutant 0:c0f3bbab73d2 758 return counter;
Jerome Coutant 0:c0f3bbab73d2 759 }
Jerome Coutant 0:c0f3bbab73d2 760
Jerome Coutant 0:c0f3bbab73d2 761 /**
Jerome Coutant 0:c0f3bbab73d2 762 * @brief Sets higher or lower the codec volume level.
Jerome Coutant 0:c0f3bbab73d2 763 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:c0f3bbab73d2 764 * @param Volume: a byte value from 0 to 255 (refer to codec registers
Jerome Coutant 0:c0f3bbab73d2 765 * description for more details).
Jerome Coutant 0:c0f3bbab73d2 766 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:c0f3bbab73d2 767 */
Jerome Coutant 0:c0f3bbab73d2 768 uint32_t wm8994_SetVolume(uint16_t DeviceAddr, uint8_t Volume)
Jerome Coutant 0:c0f3bbab73d2 769 {
Jerome Coutant 0:c0f3bbab73d2 770 uint32_t counter = 0;
Jerome Coutant 0:c0f3bbab73d2 771 uint8_t convertedvol = VOLUME_CONVERT(Volume);
Jerome Coutant 0:c0f3bbab73d2 772
Jerome Coutant 0:c0f3bbab73d2 773 /* Output volume */
Jerome Coutant 0:c0f3bbab73d2 774 if (outputEnabled != 0)
Jerome Coutant 0:c0f3bbab73d2 775 {
Jerome Coutant 0:c0f3bbab73d2 776 if(convertedvol > 0x3E)
Jerome Coutant 0:c0f3bbab73d2 777 {
Jerome Coutant 0:c0f3bbab73d2 778 /* Unmute audio codec */
Jerome Coutant 0:c0f3bbab73d2 779 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_OFF);
Jerome Coutant 0:c0f3bbab73d2 780
Jerome Coutant 0:c0f3bbab73d2 781 /* Left Headphone Volume */
Jerome Coutant 0:c0f3bbab73d2 782 counter += CODEC_IO_Write(DeviceAddr, 0x1C, 0x3F | 0x140);
Jerome Coutant 0:c0f3bbab73d2 783
Jerome Coutant 0:c0f3bbab73d2 784 /* Right Headphone Volume */
Jerome Coutant 0:c0f3bbab73d2 785 counter += CODEC_IO_Write(DeviceAddr, 0x1D, 0x3F | 0x140);
Jerome Coutant 0:c0f3bbab73d2 786
Jerome Coutant 0:c0f3bbab73d2 787 /* Left Speaker Volume */
Jerome Coutant 0:c0f3bbab73d2 788 counter += CODEC_IO_Write(DeviceAddr, 0x26, 0x3F | 0x140);
Jerome Coutant 0:c0f3bbab73d2 789
Jerome Coutant 0:c0f3bbab73d2 790 /* Right Speaker Volume */
Jerome Coutant 0:c0f3bbab73d2 791 counter += CODEC_IO_Write(DeviceAddr, 0x27, 0x3F | 0x140);
Jerome Coutant 0:c0f3bbab73d2 792 }
Jerome Coutant 0:c0f3bbab73d2 793 else if (Volume == 0)
Jerome Coutant 0:c0f3bbab73d2 794 {
Jerome Coutant 0:c0f3bbab73d2 795 /* Mute audio codec */
Jerome Coutant 0:c0f3bbab73d2 796 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_ON);
Jerome Coutant 0:c0f3bbab73d2 797 }
Jerome Coutant 0:c0f3bbab73d2 798 else
Jerome Coutant 0:c0f3bbab73d2 799 {
Jerome Coutant 0:c0f3bbab73d2 800 /* Unmute audio codec */
Jerome Coutant 0:c0f3bbab73d2 801 counter += wm8994_SetMute(DeviceAddr, AUDIO_MUTE_OFF);
Jerome Coutant 0:c0f3bbab73d2 802
Jerome Coutant 0:c0f3bbab73d2 803 /* Left Headphone Volume */
Jerome Coutant 0:c0f3bbab73d2 804 counter += CODEC_IO_Write(DeviceAddr, 0x1C, convertedvol | 0x140);
Jerome Coutant 0:c0f3bbab73d2 805
Jerome Coutant 0:c0f3bbab73d2 806 /* Right Headphone Volume */
Jerome Coutant 0:c0f3bbab73d2 807 counter += CODEC_IO_Write(DeviceAddr, 0x1D, convertedvol | 0x140);
Jerome Coutant 0:c0f3bbab73d2 808
Jerome Coutant 0:c0f3bbab73d2 809 /* Left Speaker Volume */
Jerome Coutant 0:c0f3bbab73d2 810 counter += CODEC_IO_Write(DeviceAddr, 0x26, convertedvol | 0x140);
Jerome Coutant 0:c0f3bbab73d2 811
Jerome Coutant 0:c0f3bbab73d2 812 /* Right Speaker Volume */
Jerome Coutant 0:c0f3bbab73d2 813 counter += CODEC_IO_Write(DeviceAddr, 0x27, convertedvol | 0x140);
Jerome Coutant 0:c0f3bbab73d2 814 }
Jerome Coutant 0:c0f3bbab73d2 815 }
Jerome Coutant 0:c0f3bbab73d2 816
Jerome Coutant 0:c0f3bbab73d2 817 /* Input volume */
Jerome Coutant 0:c0f3bbab73d2 818 if (inputEnabled != 0)
Jerome Coutant 0:c0f3bbab73d2 819 {
Jerome Coutant 0:c0f3bbab73d2 820 convertedvol = VOLUME_IN_CONVERT(Volume);
Jerome Coutant 0:c0f3bbab73d2 821
Jerome Coutant 0:c0f3bbab73d2 822 /* Left AIF1 ADC1 volume */
Jerome Coutant 0:c0f3bbab73d2 823 counter += CODEC_IO_Write(DeviceAddr, 0x400, convertedvol | 0x100);
Jerome Coutant 0:c0f3bbab73d2 824
Jerome Coutant 0:c0f3bbab73d2 825 /* Right AIF1 ADC1 volume */
Jerome Coutant 0:c0f3bbab73d2 826 counter += CODEC_IO_Write(DeviceAddr, 0x401, convertedvol | 0x100);
Jerome Coutant 0:c0f3bbab73d2 827
Jerome Coutant 0:c0f3bbab73d2 828 /* Left AIF1 ADC2 volume */
Jerome Coutant 0:c0f3bbab73d2 829 counter += CODEC_IO_Write(DeviceAddr, 0x404, convertedvol | 0x100);
Jerome Coutant 0:c0f3bbab73d2 830
Jerome Coutant 0:c0f3bbab73d2 831 /* Right AIF1 ADC2 volume */
Jerome Coutant 0:c0f3bbab73d2 832 counter += CODEC_IO_Write(DeviceAddr, 0x405, convertedvol | 0x100);
Jerome Coutant 0:c0f3bbab73d2 833 }
Jerome Coutant 0:c0f3bbab73d2 834 return counter;
Jerome Coutant 0:c0f3bbab73d2 835 }
Jerome Coutant 0:c0f3bbab73d2 836
Jerome Coutant 0:c0f3bbab73d2 837 /**
Jerome Coutant 0:c0f3bbab73d2 838 * @brief Enables or disables the mute feature on the audio codec.
Jerome Coutant 0:c0f3bbab73d2 839 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:c0f3bbab73d2 840 * @param Cmd: AUDIO_MUTE_ON to enable the mute or AUDIO_MUTE_OFF to disable the
Jerome Coutant 0:c0f3bbab73d2 841 * mute mode.
Jerome Coutant 0:c0f3bbab73d2 842 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:c0f3bbab73d2 843 */
Jerome Coutant 0:c0f3bbab73d2 844 uint32_t wm8994_SetMute(uint16_t DeviceAddr, uint32_t Cmd)
Jerome Coutant 0:c0f3bbab73d2 845 {
Jerome Coutant 0:c0f3bbab73d2 846 uint32_t counter = 0;
Jerome Coutant 0:c0f3bbab73d2 847
Jerome Coutant 0:c0f3bbab73d2 848 if (outputEnabled != 0)
Jerome Coutant 0:c0f3bbab73d2 849 {
Jerome Coutant 0:c0f3bbab73d2 850 /* Set the Mute mode */
Jerome Coutant 0:c0f3bbab73d2 851 if(Cmd == AUDIO_MUTE_ON)
Jerome Coutant 0:c0f3bbab73d2 852 {
Jerome Coutant 0:c0f3bbab73d2 853 /* Soft Mute the AIF1 Timeslot 0 DAC1 path L&R */
Jerome Coutant 0:c0f3bbab73d2 854 counter += CODEC_IO_Write(DeviceAddr, 0x420, 0x0200);
Jerome Coutant 0:c0f3bbab73d2 855
Jerome Coutant 0:c0f3bbab73d2 856 /* Soft Mute the AIF1 Timeslot 1 DAC2 path L&R */
Jerome Coutant 0:c0f3bbab73d2 857 counter += CODEC_IO_Write(DeviceAddr, 0x422, 0x0200);
Jerome Coutant 0:c0f3bbab73d2 858 }
Jerome Coutant 0:c0f3bbab73d2 859 else /* AUDIO_MUTE_OFF Disable the Mute */
Jerome Coutant 0:c0f3bbab73d2 860 {
Jerome Coutant 0:c0f3bbab73d2 861 /* Unmute the AIF1 Timeslot 0 DAC1 path L&R */
Jerome Coutant 4:72a949940ad6 862 counter += CODEC_IO_Write(DeviceAddr, 0x420, 0x0010);
Jerome Coutant 0:c0f3bbab73d2 863
Jerome Coutant 0:c0f3bbab73d2 864 /* Unmute the AIF1 Timeslot 1 DAC2 path L&R */
Jerome Coutant 4:72a949940ad6 865 counter += CODEC_IO_Write(DeviceAddr, 0x422, 0x0010);
Jerome Coutant 0:c0f3bbab73d2 866 }
Jerome Coutant 0:c0f3bbab73d2 867 }
Jerome Coutant 0:c0f3bbab73d2 868 return counter;
Jerome Coutant 0:c0f3bbab73d2 869 }
Jerome Coutant 0:c0f3bbab73d2 870
Jerome Coutant 0:c0f3bbab73d2 871 /**
Jerome Coutant 0:c0f3bbab73d2 872 * @brief Switch dynamically (while audio file is played) the output target
Jerome Coutant 0:c0f3bbab73d2 873 * (speaker or headphone).
Jerome Coutant 0:c0f3bbab73d2 874 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:c0f3bbab73d2 875 * @param Output: specifies the audio output target: OUTPUT_DEVICE_SPEAKER,
Jerome Coutant 0:c0f3bbab73d2 876 * OUTPUT_DEVICE_HEADPHONE, OUTPUT_DEVICE_BOTH or OUTPUT_DEVICE_AUTO
Jerome Coutant 0:c0f3bbab73d2 877 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:c0f3bbab73d2 878 */
Jerome Coutant 0:c0f3bbab73d2 879 uint32_t wm8994_SetOutputMode(uint16_t DeviceAddr, uint8_t Output)
Jerome Coutant 0:c0f3bbab73d2 880 {
Jerome Coutant 0:c0f3bbab73d2 881 uint32_t counter = 0;
Jerome Coutant 0:c0f3bbab73d2 882
Jerome Coutant 0:c0f3bbab73d2 883 switch (Output)
Jerome Coutant 0:c0f3bbab73d2 884 {
Jerome Coutant 0:c0f3bbab73d2 885 case OUTPUT_DEVICE_SPEAKER:
Jerome Coutant 0:c0f3bbab73d2 886 /* Enable DAC1 (Left), Enable DAC1 (Right),
Jerome Coutant 0:c0f3bbab73d2 887 Disable DAC2 (Left), Disable DAC2 (Right)*/
Jerome Coutant 0:c0f3bbab73d2 888 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0C0C);
Jerome Coutant 0:c0f3bbab73d2 889
Jerome Coutant 0:c0f3bbab73d2 890 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 891 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 892
Jerome Coutant 0:c0f3bbab73d2 893 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 894 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 895
Jerome Coutant 0:c0f3bbab73d2 896 /* Disable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 897 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 898
Jerome Coutant 0:c0f3bbab73d2 899 /* Disable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 900 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 901 break;
Jerome Coutant 0:c0f3bbab73d2 902
Jerome Coutant 0:c0f3bbab73d2 903 case OUTPUT_DEVICE_HEADPHONE:
Jerome Coutant 0:c0f3bbab73d2 904 /* Disable DAC1 (Left), Disable DAC1 (Right),
Jerome Coutant 0:c0f3bbab73d2 905 Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:c0f3bbab73d2 906 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303);
Jerome Coutant 0:c0f3bbab73d2 907
Jerome Coutant 0:c0f3bbab73d2 908 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 909 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 910
Jerome Coutant 0:c0f3bbab73d2 911 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 912 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 913
Jerome Coutant 0:c0f3bbab73d2 914 /* Disable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 915 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 916
Jerome Coutant 0:c0f3bbab73d2 917 /* Disable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 918 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 919 break;
Jerome Coutant 0:c0f3bbab73d2 920
Jerome Coutant 0:c0f3bbab73d2 921 case OUTPUT_DEVICE_BOTH:
Jerome Coutant 0:c0f3bbab73d2 922 /* Enable DAC1 (Left), Enable DAC1 (Right),
Jerome Coutant 0:c0f3bbab73d2 923 also Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:c0f3bbab73d2 924 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303 | 0x0C0C);
Jerome Coutant 0:c0f3bbab73d2 925
Jerome Coutant 0:c0f3bbab73d2 926 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 927 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 928
Jerome Coutant 0:c0f3bbab73d2 929 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 930 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 931
Jerome Coutant 0:c0f3bbab73d2 932 /* Enable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 933 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 934
Jerome Coutant 0:c0f3bbab73d2 935 /* Enable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 936 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0002);
Jerome Coutant 0:c0f3bbab73d2 937 break;
Jerome Coutant 0:c0f3bbab73d2 938
Jerome Coutant 0:c0f3bbab73d2 939 default:
Jerome Coutant 0:c0f3bbab73d2 940 /* Disable DAC1 (Left), Disable DAC1 (Right),
Jerome Coutant 0:c0f3bbab73d2 941 Enable DAC2 (Left), Enable DAC2 (Right)*/
Jerome Coutant 0:c0f3bbab73d2 942 counter += CODEC_IO_Write(DeviceAddr, 0x05, 0x0303);
Jerome Coutant 0:c0f3bbab73d2 943
Jerome Coutant 0:c0f3bbab73d2 944 /* Enable the AIF1 Timeslot 0 (Left) to DAC 1 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 945 counter += CODEC_IO_Write(DeviceAddr, 0x601, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 946
Jerome Coutant 0:c0f3bbab73d2 947 /* Enable the AIF1 Timeslot 0 (Right) to DAC 1 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 948 counter += CODEC_IO_Write(DeviceAddr, 0x602, 0x0001);
Jerome Coutant 0:c0f3bbab73d2 949
Jerome Coutant 0:c0f3bbab73d2 950 /* Disable the AIF1 Timeslot 1 (Left) to DAC 2 (Left) mixer path */
Jerome Coutant 0:c0f3bbab73d2 951 counter += CODEC_IO_Write(DeviceAddr, 0x604, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 952
Jerome Coutant 0:c0f3bbab73d2 953 /* Disable the AIF1 Timeslot 1 (Right) to DAC 2 (Right) mixer path */
Jerome Coutant 0:c0f3bbab73d2 954 counter += CODEC_IO_Write(DeviceAddr, 0x605, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 955 break;
Jerome Coutant 0:c0f3bbab73d2 956 }
Jerome Coutant 0:c0f3bbab73d2 957 return counter;
Jerome Coutant 0:c0f3bbab73d2 958 }
Jerome Coutant 0:c0f3bbab73d2 959
Jerome Coutant 0:c0f3bbab73d2 960 /**
Jerome Coutant 0:c0f3bbab73d2 961 * @brief Sets new frequency.
Jerome Coutant 0:c0f3bbab73d2 962 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:c0f3bbab73d2 963 * @param AudioFreq: Audio frequency used to play the audio stream.
Jerome Coutant 0:c0f3bbab73d2 964 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:c0f3bbab73d2 965 */
Jerome Coutant 0:c0f3bbab73d2 966 uint32_t wm8994_SetFrequency(uint16_t DeviceAddr, uint32_t AudioFreq)
Jerome Coutant 0:c0f3bbab73d2 967 {
Jerome Coutant 0:c0f3bbab73d2 968 uint32_t counter = 0;
Jerome Coutant 0:c0f3bbab73d2 969
Jerome Coutant 0:c0f3bbab73d2 970 /* Clock Configurations */
Jerome Coutant 0:c0f3bbab73d2 971 switch (AudioFreq)
Jerome Coutant 0:c0f3bbab73d2 972 {
Jerome Coutant 0:c0f3bbab73d2 973 case AUDIO_FREQUENCY_8K:
Jerome Coutant 0:c0f3bbab73d2 974 /* AIF1 Sample Rate = 8 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 975 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0003);
Jerome Coutant 0:c0f3bbab73d2 976 break;
Jerome Coutant 0:c0f3bbab73d2 977
Jerome Coutant 0:c0f3bbab73d2 978 case AUDIO_FREQUENCY_16K:
Jerome Coutant 0:c0f3bbab73d2 979 /* AIF1 Sample Rate = 16 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 980 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0033);
Jerome Coutant 0:c0f3bbab73d2 981 break;
Jerome Coutant 4:72a949940ad6 982
Jerome Coutant 4:72a949940ad6 983 case AUDIO_FREQUENCY_32K:
Jerome Coutant 4:72a949940ad6 984 /* AIF1 Sample Rate = 32 (KHz), ratio=256 */
Jerome Coutant 4:72a949940ad6 985 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0063);
Jerome Coutant 4:72a949940ad6 986 break;
Jerome Coutant 0:c0f3bbab73d2 987
Jerome Coutant 0:c0f3bbab73d2 988 case AUDIO_FREQUENCY_48K:
Jerome Coutant 0:c0f3bbab73d2 989 /* AIF1 Sample Rate = 48 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 990 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0083);
Jerome Coutant 0:c0f3bbab73d2 991 break;
Jerome Coutant 0:c0f3bbab73d2 992
Jerome Coutant 0:c0f3bbab73d2 993 case AUDIO_FREQUENCY_96K:
Jerome Coutant 0:c0f3bbab73d2 994 /* AIF1 Sample Rate = 96 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 995 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x00A3);
Jerome Coutant 0:c0f3bbab73d2 996 break;
Jerome Coutant 0:c0f3bbab73d2 997
Jerome Coutant 0:c0f3bbab73d2 998 case AUDIO_FREQUENCY_11K:
Jerome Coutant 0:c0f3bbab73d2 999 /* AIF1 Sample Rate = 11.025 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 1000 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0013);
Jerome Coutant 0:c0f3bbab73d2 1001 break;
Jerome Coutant 0:c0f3bbab73d2 1002
Jerome Coutant 0:c0f3bbab73d2 1003 case AUDIO_FREQUENCY_22K:
Jerome Coutant 0:c0f3bbab73d2 1004 /* AIF1 Sample Rate = 22.050 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 1005 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0043);
Jerome Coutant 0:c0f3bbab73d2 1006 break;
Jerome Coutant 0:c0f3bbab73d2 1007
Jerome Coutant 0:c0f3bbab73d2 1008 case AUDIO_FREQUENCY_44K:
Jerome Coutant 0:c0f3bbab73d2 1009 /* AIF1 Sample Rate = 44.1 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 1010 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0073);
Jerome Coutant 0:c0f3bbab73d2 1011 break;
Jerome Coutant 0:c0f3bbab73d2 1012
Jerome Coutant 0:c0f3bbab73d2 1013 default:
Jerome Coutant 0:c0f3bbab73d2 1014 /* AIF1 Sample Rate = 48 (KHz), ratio=256 */
Jerome Coutant 0:c0f3bbab73d2 1015 counter += CODEC_IO_Write(DeviceAddr, 0x210, 0x0083);
Jerome Coutant 0:c0f3bbab73d2 1016 break;
Jerome Coutant 0:c0f3bbab73d2 1017 }
Jerome Coutant 0:c0f3bbab73d2 1018 return counter;
Jerome Coutant 0:c0f3bbab73d2 1019 }
Jerome Coutant 0:c0f3bbab73d2 1020
Jerome Coutant 0:c0f3bbab73d2 1021 /**
Jerome Coutant 0:c0f3bbab73d2 1022 * @brief Resets wm8994 registers.
Jerome Coutant 0:c0f3bbab73d2 1023 * @param DeviceAddr: Device address on communication Bus.
Jerome Coutant 0:c0f3bbab73d2 1024 * @retval 0 if correct communication, else wrong communication
Jerome Coutant 0:c0f3bbab73d2 1025 */
Jerome Coutant 0:c0f3bbab73d2 1026 uint32_t wm8994_Reset(uint16_t DeviceAddr)
Jerome Coutant 0:c0f3bbab73d2 1027 {
Jerome Coutant 0:c0f3bbab73d2 1028 uint32_t counter = 0;
Jerome Coutant 0:c0f3bbab73d2 1029
Jerome Coutant 0:c0f3bbab73d2 1030 /* Reset Codec by writing in 0x0000 address register */
Jerome Coutant 0:c0f3bbab73d2 1031 counter = CODEC_IO_Write(DeviceAddr, 0x0000, 0x0000);
Jerome Coutant 0:c0f3bbab73d2 1032 outputEnabled = 0;
Jerome Coutant 0:c0f3bbab73d2 1033 inputEnabled=0;
Jerome Coutant 0:c0f3bbab73d2 1034
Jerome Coutant 0:c0f3bbab73d2 1035 return counter;
Jerome Coutant 0:c0f3bbab73d2 1036 }
Jerome Coutant 0:c0f3bbab73d2 1037
Jerome Coutant 0:c0f3bbab73d2 1038 /**
Jerome Coutant 0:c0f3bbab73d2 1039 * @brief Writes/Read a single data.
Jerome Coutant 0:c0f3bbab73d2 1040 * @param Addr: I2C address
Jerome Coutant 0:c0f3bbab73d2 1041 * @param Reg: Reg address
Jerome Coutant 0:c0f3bbab73d2 1042 * @param Value: Data to be written
Jerome Coutant 0:c0f3bbab73d2 1043 * @retval None
Jerome Coutant 0:c0f3bbab73d2 1044 */
Jerome Coutant 0:c0f3bbab73d2 1045 static uint8_t CODEC_IO_Write(uint8_t Addr, uint16_t Reg, uint16_t Value)
Jerome Coutant 0:c0f3bbab73d2 1046 {
Jerome Coutant 0:c0f3bbab73d2 1047 uint32_t result = 0;
Jerome Coutant 0:c0f3bbab73d2 1048
Jerome Coutant 0:c0f3bbab73d2 1049 AUDIO_IO_Write(Addr, Reg, Value);
Jerome Coutant 0:c0f3bbab73d2 1050
Jerome Coutant 0:c0f3bbab73d2 1051 #ifdef VERIFY_WRITTENDATA
Jerome Coutant 0:c0f3bbab73d2 1052 /* Verify that the data has been correctly written */
Jerome Coutant 0:c0f3bbab73d2 1053 result = (AUDIO_IO_Read(Addr, Reg) == Value)? 0:1;
Jerome Coutant 0:c0f3bbab73d2 1054 #endif /* VERIFY_WRITTENDATA */
Jerome Coutant 0:c0f3bbab73d2 1055
Jerome Coutant 0:c0f3bbab73d2 1056 return result;
Jerome Coutant 0:c0f3bbab73d2 1057 }
Jerome Coutant 0:c0f3bbab73d2 1058
Jerome Coutant 0:c0f3bbab73d2 1059 /**
Jerome Coutant 0:c0f3bbab73d2 1060 * @}
Jerome Coutant 0:c0f3bbab73d2 1061 */
Jerome Coutant 0:c0f3bbab73d2 1062
Jerome Coutant 0:c0f3bbab73d2 1063 /**
Jerome Coutant 0:c0f3bbab73d2 1064 * @}
Jerome Coutant 0:c0f3bbab73d2 1065 */
Jerome Coutant 0:c0f3bbab73d2 1066
Jerome Coutant 0:c0f3bbab73d2 1067 /**
Jerome Coutant 0:c0f3bbab73d2 1068 * @}
Jerome Coutant 0:c0f3bbab73d2 1069 */
Jerome Coutant 0:c0f3bbab73d2 1070
Jerome Coutant 0:c0f3bbab73d2 1071 /**
Jerome Coutant 0:c0f3bbab73d2 1072 * @}
Jerome Coutant 0:c0f3bbab73d2 1073 */
Jerome Coutant 0:c0f3bbab73d2 1074
Jerome Coutant 0:c0f3bbab73d2 1075 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/