This file provides the CS43L22 Audio Codec driver.
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#include "cs43l22.h"
Go to the source code of this file.
Macros | |
| #define | VOLUME_CONVERT(Volume) (((Volume) > 100)? 255:((uint8_t)(((Volume) * 255) / 100))) |
Functions | |
| static uint8_t | CODEC_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value) |
| Writes/Read a single data. More... | |
| void | cs43l22_DeInit (void) |
| Deinitializes the audio codec. More... | |
| uint32_t | cs43l22_Init (uint16_t DeviceAddr, uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq) |
| Initializes the audio codec and the control interface. More... | |
| uint32_t | cs43l22_Pause (uint16_t DeviceAddr) |
| Pauses playing on the audio codec. More... | |
| uint32_t | cs43l22_Play (uint16_t DeviceAddr, uint16_t *pBuffer, uint16_t Size) |
| Start the audio Codec play feature. More... | |
| uint32_t | cs43l22_ReadID (uint16_t DeviceAddr) |
| Get the CS43L22 ID. More... | |
| uint32_t | cs43l22_Reset (uint16_t DeviceAddr) |
| Resets cs43l22 registers. More... | |
| uint32_t | cs43l22_Resume (uint16_t DeviceAddr) |
| Resumes playing on the audio codec. More... | |
| uint32_t | cs43l22_SetFrequency (uint16_t DeviceAddr, uint32_t AudioFreq) |
| Sets new frequency. More... | |
| uint32_t | cs43l22_SetMute (uint16_t DeviceAddr, uint32_t Cmd) |
| Enables or disables the mute feature on the audio codec. More... | |
| uint32_t | cs43l22_SetOutputMode (uint16_t DeviceAddr, uint8_t Output) |
| Switch dynamically (while audio file is played) the output target (speaker or headphone). More... | |
| uint32_t | cs43l22_SetVolume (uint16_t DeviceAddr, uint8_t Volume) |
| Sets higher or lower the codec volume level. More... | |
| uint32_t | cs43l22_Stop (uint16_t DeviceAddr, uint32_t CodecPdwnMode) |
| Stops audio Codec playing. It powers down the codec. More... | |
Variables | |
| AUDIO_DrvTypeDef | cs43l22_drv |
| static uint8_t | Is_cs43l22_Stop = 1 |
| volatile uint8_t | OutputDev = 0 |
Detailed Description
This file provides the CS43L22 Audio Codec driver.
- 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:
- Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
- 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.
- 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 stm32f407/stm32f407g-disc1/Drivers/BSP/Components/cs43l22/cs43l22.c.