The SZ / BSP_DISCO_F746NG_patch_fixed

bugfixes and reduced version for disco board only

Dependents:   Scope DISCO-F746NG_Sinewave DISCO-F746NG_Sweep DISCO-F746NG_Oscilloscope ... more

Fork of BSP_DISCO_F746NG_patch by Nirvana Jay

Embed: (wiki syntax)

« Back to documentation index

wm8994.c File Reference
Functions

wm8994.c File Reference

This file provides the WM8994 Audio Codec driver. More...

Go to the source code of this file.

Functions

static uint8_t CODEC_IO_Write (uint8_t Addr, uint16_t Reg, uint16_t Value)
 Writes/Read a single data.
uint32_t wm8994_Init (uint16_t DeviceAddr, uint16_t OutputInputDevice, uint8_t Volume, uint32_t AudioFreq)
 Initializes the audio codec and the control interface.
void wm8994_DeInit (void)
 Deinitializes the audio codec.
uint32_t wm8994_ReadID (uint16_t DeviceAddr)
 Get the WM8994 ID.
uint32_t wm8994_Play (uint16_t DeviceAddr, uint16_t *pBuffer, uint16_t Size)
 Start the audio Codec play feature.
uint32_t wm8994_Pause (uint16_t DeviceAddr)
 Pauses playing on the audio codec.
uint32_t wm8994_Resume (uint16_t DeviceAddr)
 Resumes playing on the audio codec.
uint32_t wm8994_Stop (uint16_t DeviceAddr, uint32_t CodecPdwnMode)
 Stops audio Codec playing.
uint32_t wm8994_SetVolume (uint16_t DeviceAddr, uint8_t Volume)
 Sets higher or lower the codec volume level.
uint32_t wm8994_SetMute (uint16_t DeviceAddr, uint32_t Cmd)
 Enables or disables the mute feature on the audio codec.
uint32_t wm8994_SetOutputMode (uint16_t DeviceAddr, uint8_t Output)
 Switch dynamically (while audio file is played) the output target (speaker or headphone).
uint32_t wm8994_SetFrequency (uint16_t DeviceAddr, uint32_t AudioFreq)
 Sets new frequency.
uint32_t wm8994_Reset (uint16_t DeviceAddr)
 Resets wm8994 registers.

Detailed Description

This file provides the WM8994 Audio Codec driver.

Author:
MCD Application Team
Version:
V2.0.0
Date:
24-June-2015
Attention:

© COPYRIGHT(c) 2015 STMicroelectronics

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.

Definition in file wm8994.c.

Generated on Tue Jul 12 2022 17:59:55 by  doxygen 1.7.2