Diff: wm8994.h

Revision:

1:ee089790cdbb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wm8994.h	Mon Jan 04 15:19:15 2016 +0000
@@ -0,0 +1,187 @@
+/**
+  ******************************************************************************
+  * @file    wm8994.h
+  * @author  MCD Application Team
+  * @version V2.0.0
+  * @date    24-June-2015
+  * @brief   This file contains all the functions prototypes for the 
+  *          wm8994.c driver.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __WM8994_H
+#define __WM8994_H
+
+/* Includes ------------------------------------------------------------------*/
+#include "audio.h"
+
+/** @addtogroup BSP
+  * @{
+  */ 
+
+/** @addtogroup Component
+  * @{
+  */ 
+  
+/** @addtogroup WM8994
+  * @{
+  */
+
+/** @defgroup WM8994_Exported_Types
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup WM8994_Exported_Constants
+  * @{
+  */ 
+
+/******************************************************************************/
+/***************************  Codec User defines ******************************/
+/******************************************************************************/
+/* Codec output DEVICE */
+#define OUTPUT_DEVICE_SPEAKER                 ((uint16_t)0x0001)
+#define OUTPUT_DEVICE_HEADPHONE               ((uint16_t)0x0002)
+#define OUTPUT_DEVICE_BOTH                    ((uint16_t)0x0003)
+#define OUTPUT_DEVICE_AUTO                    ((uint16_t)0x0004)
+#define INPUT_DEVICE_DIGITAL_MICROPHONE_1     ((uint16_t)0x0100)
+#define INPUT_DEVICE_DIGITAL_MICROPHONE_2     ((uint16_t)0x0200)
+#define INPUT_DEVICE_INPUT_LINE_1             ((uint16_t)0x0300)
+#define INPUT_DEVICE_INPUT_LINE_2             ((uint16_t)0x0400)
+
+/* Volume Levels values */
+#define DEFAULT_VOLMIN                0x00
+#define DEFAULT_VOLMAX                0xFF
+#define DEFAULT_VOLSTEP               0x04
+
+#define AUDIO_PAUSE                   0
+#define AUDIO_RESUME                  1
+
+/* Codec POWER DOWN modes */
+#define CODEC_PDWN_HW                 1
+#define CODEC_PDWN_SW                 2
+
+/* MUTE commands */
+#define AUDIO_MUTE_ON                 1
+#define AUDIO_MUTE_OFF                0
+
+/* AUDIO FREQUENCY */
+#define AUDIO_FREQUENCY_192K          ((uint32_t)192000)
+#define AUDIO_FREQUENCY_96K           ((uint32_t)96000)
+#define AUDIO_FREQUENCY_48K           ((uint32_t)48000)
+#define AUDIO_FREQUENCY_44K           ((uint32_t)44100)
+#define AUDIO_FREQUENCY_32K           ((uint32_t)32000)
+#define AUDIO_FREQUENCY_22K           ((uint32_t)22050)
+#define AUDIO_FREQUENCY_16K           ((uint32_t)16000)
+#define AUDIO_FREQUENCY_11K           ((uint32_t)11025)
+#define AUDIO_FREQUENCY_8K            ((uint32_t)8000)  
+
+#define VOLUME_CONVERT(Volume)        (((Volume) > 100)? 100:((uint8_t)(((Volume) * 63) / 100)))
+#define VOLUME_IN_CONVERT(Volume)     (((Volume) >= 100)? 239:((uint8_t)(((Volume) * 240) / 100)))
+
+/******************************************************************************/
+/****************************** REGISTER MAPPING ******************************/
+/******************************************************************************/
+/** 
+  * @brief  WM8994 ID  
+  */  
+#define  WM8994_ID    0x8994
+
+/**
+  * @brief Device ID Register: Reading from this register will indicate device 
+  *                            family ID 8994h
+  */
+#define WM8994_CHIPID_ADDR                  0x00
+
+/**
+  * @}
+  */ 
+
+/** @defgroup WM8994_Exported_Macros
+  * @{
+  */ 
+/**
+  * @}
+  */ 
+
+/** @defgroup WM8994_Exported_Functions
+  * @{
+  */
+    
+/*------------------------------------------------------------------------------
+                           Audio Codec functions 
+------------------------------------------------------------------------------*/
+/* High Layer codec functions */
+uint32_t wm8994_Init(uint16_t DeviceAddr, uint16_t OutputInputDevice, uint8_t Volume, uint32_t AudioFreq);
+void     wm8994_DeInit(void);
+uint32_t wm8994_ReadID(uint16_t DeviceAddr);
+uint32_t wm8994_Play(uint16_t DeviceAddr, uint16_t* pBuffer, uint16_t Size);
+uint32_t wm8994_Pause(uint16_t DeviceAddr);
+uint32_t wm8994_Resume(uint16_t DeviceAddr);
+uint32_t wm8994_Stop(uint16_t DeviceAddr, uint32_t Cmd);
+uint32_t wm8994_SetVolume(uint16_t DeviceAddr, uint8_t Volume);
+uint32_t wm8994_SetMute(uint16_t DeviceAddr, uint32_t Cmd);
+uint32_t wm8994_SetOutputMode(uint16_t DeviceAddr, uint8_t Output);
+uint32_t wm8994_SetFrequency(uint16_t DeviceAddr, uint32_t AudioFreq);
+uint32_t wm8994_Reset(uint16_t DeviceAddr);
+
+/* AUDIO IO functions */
+void    AUDIO_IO_Init(void);
+void    AUDIO_IO_DeInit(void);
+void    AUDIO_IO_Write(uint8_t Addr, uint16_t Reg, uint16_t Value);
+uint8_t AUDIO_IO_Read(uint8_t Addr, uint16_t Reg);
+void    AUDIO_IO_Delay(uint32_t Delay);
+
+/* Audio driver structure */
+extern AUDIO_DrvTypeDef   wm8994_drv;
+
+#endif /* __WM8994_H */
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */ 
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/