This file contains all the functions prototypes for the wm8994.c driver. More...
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Classes | |
| struct | WM8994_Drv_t |
| struct | WM8994_Init_t |
| struct | WM8994_IO_t |
| struct | WM8994_Object_t |
Macros | |
| #define | VOLUME_IN_INVERT(Volume) ((uint8_t)(((Volume) * 100) / 239)) |
| #define | VOLUME_INPUT 0U |
| #define | VOLUME_OUT_INVERT(Volume) ((uint8_t)(((Volume) * 100) / 63)) |
| #define | VOLUME_OUTPUT 1U |
| #define | WM8994_ERROR (-1) |
| #define | WM8994_FREQUENCY_11K 11025 |
| #define | WM8994_FREQUENCY_16K 16000 |
| #define | WM8994_FREQUENCY_176K 176400 |
| #define | WM8994_FREQUENCY_192K 192000 |
| #define | WM8994_FREQUENCY_22K 22050 |
| #define | WM8994_FREQUENCY_32K 32000 |
| #define | WM8994_FREQUENCY_44K 44100 |
| #define | WM8994_FREQUENCY_48K 48000 |
| #define | WM8994_FREQUENCY_88K 88200 |
| #define | WM8994_FREQUENCY_8K 8000 |
| #define | WM8994_FREQUENCY_96K 96000 |
| #define | WM8994_ID 0x8994U |
| WM8994 ID More... | |
| #define | WM8994_IN_LINE1 0x03U |
| #define | WM8994_IN_LINE2 0x04U |
| #define | WM8994_IN_MIC1 0x01U |
| #define | WM8994_IN_MIC1_MIC2 0x05U |
| #define | WM8994_IN_MIC2 0x02U |
| #define | WM8994_IN_NONE 0x00U |
| #define | WM8994_MUTE_OFF 0U |
| #define | WM8994_MUTE_ON 1U |
| #define | WM8994_OK (0) |
| #define | WM8994_OUT_AUTO 0x04U |
| #define | WM8994_OUT_BOTH 0x03U |
| #define | WM8994_OUT_HEADPHONE 0x02U |
| #define | WM8994_OUT_NONE 0x00U |
| #define | WM8994_OUT_SPEAKER 0x01U |
| #define | WM8994_PDWN_HW 0x00U |
| #define | WM8994_PDWN_SW 0x01U |
| #define | WM8994_PROTOCOL_DSP ((uint16_t)0x0003) |
| #define | WM8994_PROTOCOL_I2S ((uint16_t)0x0002) |
| #define | WM8994_PROTOCOL_L_JUSTIFIED ((uint16_t)0x0001) |
| #define | WM8994_PROTOCOL_R_JUSTIFIED ((uint16_t)0x0000) |
| #define | WM8994_RESOLUTION_16b 0x00U |
| #define | WM8994_RESOLUTION_20b 0x01U |
| #define | WM8994_RESOLUTION_24b 0x02U |
| #define | WM8994_RESOLUTION_32b 0x03U |
Typedefs | |
| typedef int32_t(* | WM8994_DeInit_Func) (void) |
| typedef int32_t(* | WM8994_Delay_Func) (uint32_t) |
| typedef int32_t(* | WM8994_GetTick_Func) (void) |
| typedef int32_t(* | WM8994_Init_Func) (void) |
| typedef int32_t(* | WM8994_ReadReg_Func) (uint16_t, uint16_t, uint8_t *, uint16_t) |
| typedef int32_t(* | WM8994_WriteReg_Func) (uint16_t, uint16_t, uint8_t *, uint16_t) |
Functions | |
| int32_t | WM8994_DeInit (WM8994_Object_t *pObj) |
| Deinitializes the audio codec. More... | |
| int32_t | WM8994_GetFrequency (WM8994_Object_t *pObj, uint32_t *AudioFreq) |
| Get frequency. More... | |
| int32_t | WM8994_GetProtocol (WM8994_Object_t *pObj, uint32_t *Protocol) |
| Get Audio Protocol. More... | |
| int32_t | WM8994_GetResolution (WM8994_Object_t *pObj, uint32_t *Resolution) |
| Get Audio resolution. More... | |
| int32_t | WM8994_GetVolume (WM8994_Object_t *pObj, uint32_t InputOutput, uint8_t *Volume) |
| Get higher or lower the codec volume level. More... | |
| int32_t | WM8994_Init (WM8994_Object_t *pObj, WM8994_Init_t *pInit) |
| Initializes the audio codec and the control interface. More... | |
| int32_t | WM8994_Pause (WM8994_Object_t *pObj) |
| Pauses playing on the audio codec. More... | |
| int32_t | WM8994_Play (WM8994_Object_t *pObj) |
| Start the audio Codec play feature. More... | |
| int32_t | WM8994_ReadID (WM8994_Object_t *pObj, uint32_t *Id) |
| Get the WM8994 ID. More... | |
| int32_t | WM8994_RegisterBusIO (WM8994_Object_t *pObj, WM8994_IO_t *pIO) |
| Function. More... | |
| int32_t | WM8994_Reset (WM8994_Object_t *pObj) |
| Resets wm8994 registers. More... | |
| int32_t | WM8994_Resume (WM8994_Object_t *pObj) |
| Resumes playing on the audio codec. More... | |
| int32_t | WM8994_SetFrequency (WM8994_Object_t *pObj, uint32_t AudioFreq) |
| Sets new frequency. More... | |
| int32_t | WM8994_SetMute (WM8994_Object_t *pObj, uint32_t Cmd) |
| Enables or disables the mute feature on the audio codec. More... | |
| int32_t | WM8994_SetOutputMode (WM8994_Object_t *pObj, uint32_t Output) |
| Switch dynamically (while audio file is played) the output target (speaker or headphone). More... | |
| int32_t | WM8994_SetProtocol (WM8994_Object_t *pObj, uint32_t Protocol) |
| Set Audio Protocol. More... | |
| int32_t | WM8994_SetResolution (WM8994_Object_t *pObj, uint32_t Resolution) |
| Set Audio resolution. More... | |
| int32_t | WM8994_SetVolume (WM8994_Object_t *pObj, uint32_t InputOutput, uint8_t Volume) |
| Set higher or lower the codec volume level. More... | |
| int32_t | WM8994_Stop (WM8994_Object_t *pObj, uint32_t CodecPdwnMode) |
| Stops audio Codec playing. It powers down the codec. More... | |
Variables | |
| WM8994_Drv_t | WM8994_Driver |
Detailed Description
This file contains all the functions prototypes for the wm8994.c driver.
- Attention
© Copyright (c) 2014 STMicroelectronics. All rights reserved.
This software component is licensed by ST under BSD 3-Clause license, the "License"; You may not use this file except in compliance with the License. You may obtain a copy of the License at: opensource.org/licenses/BSD-3-Clause
Definition in file stm32h747/stm32h747i-disco/CM7/Drivers/BSP/Components/wm8994/wm8994.h.