Functions
void	usbh_hid_regitser_mouse_callback (HID_MOUSE_FUNC *func)
	Register the mouse event callback function to HID class driver. Any mouse reports will be sent to user application via this callback. More...

void	usbh_hid_regitser_keyboard_callback (HID_KEYBOARD_FUNC *func)
	Register the keyboard event callback function to HID class driver. Any keyboard reports will be sent to user application via this callback. More...

void	usbh_core_init (void)
	Initialize M480 USB Host controller and USB stack. More...

int	usbh_pooling_hubs (void)
	Let USB stack polls all root hubs and downstream hubs. If there's any hub port change found, USB stack will manage the hub events in this function call. In this function, USB stack enumerates newly connected devices and remove staff of disconnected devices. User's application should periodically invoke this function. More...

void	usbh_install_conn_callback (CONN_FUNC conn_func, CONN_FUNC disconn_func)
	Install device connect and disconnect callback function. More...

void	usbh_suspend (void)
	Suspend USB Host Controller and devices. More...

void	usbh_resume (void)
	Resume USB Host controller and devices. More...

struct udev_t *	usbh_find_device (char *hub_id, int port)
	Find the device under the specified hub port. More...

uint32_t	get_ticks (void)
	A function return current tick count. More...

void	usbh_cdc_init (void)
	Init USB Host CDC driver. More...

struct cdc_dev_t *	usbh_cdc_get_device_list (void)
	Get a list of currently connected USB Hid devices. More...

HIDDEN_SYMBOLS int32_t	usbh_cdc_set_control_line_state (CDC_DEV_T *cdev, int active_carrier, int DTE_present)
	SET_CONTROL_LINE_STATE request. More...

int32_t	usbh_cdc_start_polling_status (CDC_DEV_T cdev, CDC_CB_FUNC func)
	Start purge the CDC device's interrupt-in transfer pipe. More...

int32_t	usbh_cdc_start_to_receive_data (CDC_DEV_T cdev, CDC_CB_FUNC func)
	Make CDC device start to receive data from bulk-in transfer pipe. More...

int32_t	usbh_cdc_send_data (CDC_DEV_T cdev, uint8_t buff, int buff_len)
	Send a block of data via CDC device's bulk-out transfer pipe. More...

void	usbh_hid_init (void)
	Initialize USB Host HID driver. More...

struct usbhid_dev *	usbh_hid_get_device_list (void)
	Get a list of currently connected USB Hid devices. More...

int32_t	usbh_hid_get_report_descriptor (struct usbhid_dev hdev, uint8_t desc_buf, int buf_max_len)

int32_t	usbh_hid_get_report (struct usbhid_dev hdev, int rtp_typ, int rtp_id, uint8_t data, int len)

int32_t	usbh_hid_set_report (struct usbhid_dev hdev, int rtp_typ, int rtp_id, uint8_t data, int len)

int32_t	usbh_hid_get_idle (struct usbhid_dev hdev, int rtp_id, uint8_t idle_rate)

int32_t	usbh_hid_set_idle (struct usbhid_dev *hdev, int rtp_id, uint8_t idle_rate)

int32_t	usbh_hid_get_protocol (struct usbhid_dev hdev, uint8_t protocol)

int32_t	usbh_hid_set_protocol (struct usbhid_dev *hdev, uint8_t protocol)

int32_t	usbh_hid_start_int_read (struct usbhid_dev hdev, uint8_t ep_addr, HID_IR_FUNC func)

int32_t	usbh_hid_stop_int_read (struct usbhid_dev *hdev, uint8_t ep_addr)

int32_t	usbh_hid_start_int_write (struct usbhid_dev hdev, uint8_t ep_addr, HID_IW_FUNC func)

int32_t	usbh_hid_stop_int_write (struct usbhid_dev *hdev, uint8_t ep_addr)

int	usbh_umas_init (void)
	Register and initialize USB Host Mass Storage driver. More...

int	usbh_umas_disk_status (int drv_no)

int	usbh_umas_read (int drv_no, uint32_t sec_no, int sec_cnt, uint8_t *buff)

int	usbh_umas_write (int drv_no, uint32_t sec_no, int sec_cnt, uint8_t *buff)

int	usbh_umas_ioctl (int drv_no, int cmd, void *buff)

HIDDEN_SYMBOLS void	usbh_uac_init (void)
	Initialize USB Audio Class driver. More...

int	usbh_uac_open (UAC_DEV_T *uac)
	Open an connected UAC device. More...

struct uac_dev_t *	usbh_uac_get_device_list (void)
	Get a list of currently connected USB Audio Class devices. More...

int	usbh_uac_get_channel_number (UAC_DEV_T *uac, uint8_t target)
	Obtain Audio Class device's channel number. More...

int	usbh_uac_get_bit_resolution (UAC_DEV_T uac, uint8_t target, uint8_t byte_cnt)
	Obtain Audio Class device subframe bit resolution.. More...

int	usbh_uac_get_sampling_rate (UAC_DEV_T uac, uint8_t target, uint32_t srate_list, int max_cnt, uint8_t *type)
	Get a list of sampling rate frequencies supported by the UAC device. More...

int	usbh_uac_sampling_rate_control (UAC_DEV_T uac, uint8_t target, uint8_t req, uint32_t srate)
	Set sampling rate frequency. More...

int	usbh_uac_mute_control (UAC_DEV_T uac, uint8_t target, uint8_t req, uint16_t chn, uint8_t mute)
	Control Audio Class device mute on/off. More...

int	usbh_uac_vol_control (UAC_DEV_T uac, uint8_t target, uint8_t req, uint16_t chn, uint16_t volume)
	Audio Class device volume control. More...

int	usbh_uac_auto_gain_control (UAC_DEV_T uac, uint8_t target, uint8_t req, uint16_t chn, uint8_t bAGC)
	Audio Class device automatic gain control. More...

int	usbh_uac_start_audio_in (UAC_DEV_T uac, UAC_CB_FUNC func)
	Start to receive audio data from UAC device. (Microphone) More...

int	usbh_uac_stop_audio_in (UAC_DEV_T *uac)
	Stop UAC device audio in data stream. More...

int	usbh_uac_start_audio_out (UAC_DEV_T uac, UAC_CB_FUNC func)
	Start to transmit audio data to UAC device. (Speaker) More...

int	usbh_uac_stop_audio_out (UAC_DEV_T *uac)
	Stop UAC device audio out data stream. More...

int32_t	usbh_cdc_get_line_coding (CDC_DEV_T cdev, LINE_CODING_T line_code)
	GET_LINE_CODING request. More...

int32_t	usbh_cdc_set_line_coding (CDC_DEV_T cdev, LINE_CODING_T line_code)
	SET_LINE_CODING request. More...

Detailed Description

Function Documentation

◆ get_ticks()

uint32_t get_ticks ( void )

A function return current tick count.

Returns: Current tick.

User application must provide this function to return current tick. The tick should increase by 1 for every 10 ms.

◆ usbh_cdc_get_device_list()

struct cdc_dev_t* usbh_cdc_get_device_list ( void )

Get a list of currently connected USB Hid devices.

Returns: List of CDC devices.

Return values

NULL	There's no CDC device found.
Otherwise	A list of connected CDC devices.

The CDC devices are chained by the "next" member of CDC_DEV_T.

Definition at line 280 of file cdc_driver.c.

◆ usbh_cdc_get_line_coding()

int32_t usbh_cdc_get_line_coding	(	CDC_DEV_T *	cdev,
		LINE_CODING_T *	line_code
	)

GET_LINE_CODING request.

Parameters

[in]	cdev	CDC device
[out]	line_code	The currently configured line coding.

Returns: Success or not.

Return values

0	Success
Otherwise	Failed

Definition at line 46 of file cdc_core.c.

◆ usbh_cdc_init()

void usbh_cdc_init ( void )

Init USB Host CDC driver.

Returns: None

Definition at line 265 of file cdc_driver.c.

◆ usbh_cdc_send_data()

int32_t usbh_cdc_send_data	(	CDC_DEV_T *	cdev,
		uint8_t *	buff,
		int	buff_len
	)

Send a block of data via CDC device's bulk-out transfer pipe.

Parameters

[in]	cdev	CDC device
[in]	buff	Buffer contains the data block to be send.
[in]	buff_len	Length in byte of data to be send

Returns: Success or not.

Return values

0	Success
Otherwise	Failed

Definition at line 383 of file cdc_core.c.

◆ usbh_cdc_set_control_line_state()

int32_t usbh_cdc_set_control_line_state	(	CDC_DEV_T *	cdev,
		int	active_carrier,
		int	DTE_present
	)

SET_CONTROL_LINE_STATE request.

Parameters

[in]	cdev	CDC device
[in]	active_carrier	Carrier control for half duplex modems is activated or not.
[in]	DTE_present	Indicates to DCE if DTE is present or not.

Returns: Success or not.

Return values

0	Success
Otherwise	Failed

Definition at line 135 of file cdc_core.c.

◆ usbh_cdc_set_line_coding()

int32_t usbh_cdc_set_line_coding	(	CDC_DEV_T *	cdev,
		LINE_CODING_T *	line_code
	)

SET_LINE_CODING request.

Parameters

[in]	cdev	CDC device
[in]	line_code	The line coding configuration to be set.

Returns: Success or not.

Return values

0	Success
Otherwise	Failed

Definition at line 85 of file cdc_core.c.

◆ usbh_cdc_start_polling_status()

HIDDEN_SYMBOLS int32_t usbh_cdc_start_polling_status	(	CDC_DEV_T *	cdev,
		CDC_CB_FUNC *	func
	)

Start purge the CDC device's interrupt-in transfer pipe.

Parameters

[in]	cdev	CDC device
[in]	func	The interrupt in data receiver callback function.

Returns: Success or not.

Return values

0	Success
Otherwise	Failed

Definition at line 213 of file cdc_core.c.

◆ usbh_cdc_start_to_receive_data()

HIDDEN_SYMBOLS int32_t usbh_cdc_start_to_receive_data	(	CDC_DEV_T *	cdev,
		CDC_CB_FUNC *	func
	)

Make CDC device start to receive data from bulk-in transfer pipe.

Parameters

[in]	cdev	CDC device
[in]	func	The BULK in data receiver callback function.

Returns: Success or not.

Return values

0	Success
Otherwise	Failed

Definition at line 306 of file cdc_core.c.

◆ usbh_core_init()

void usbh_core_init ( void )

Initialize M480 USB Host controller and USB stack.

Returns: None.

Definition at line 39 of file usb_core.c.

◆ usbh_find_device()

struct udev_t* usbh_find_device	(	char *	hub_id,
		int	port
	)

Find the device under the specified hub port.

Parameters

[in]	hub_id	Hub identify ID
[in]	port	Port number of the specified ub.

Return values

NULL	Not found. There's no valid device connected under that hub port.
Otherwise	An UDEV_T pointer reference to the device under specified hub and port.

Definition at line 685 of file hub.c.

◆ usbh_hid_get_device_list()

struct usbhid_dev* usbh_hid_get_device_list ( void )

Get a list of currently connected USB Hid devices.

Returns: A list HID_DEV_T pointer reference to connected HID devices.

Return values

NULL	There's no HID device found.
Otherwise	A list of connected HID devices.

The HID devices are chained by the "next" member of HID_DEV_T.

Definition at line 225 of file hid_driver.c.

◆ usbh_hid_get_idle()

int32_t usbh_hid_get_idle	(	struct usbhid_dev *	hdev,
		int	rtp_id,
		uint8_t *	idle_rate
	)

◆ usbh_hid_get_protocol()

int32_t usbh_hid_get_protocol	(	struct usbhid_dev *	hdev,
		uint8_t *	protocol
	)

◆ usbh_hid_get_report()

int32_t usbh_hid_get_report	(	struct usbhid_dev *	hdev,
		int	rtp_typ,
		int	rtp_id,
		uint8_t *	data,
		int	len
	)

◆ usbh_hid_get_report_descriptor()

int32_t usbh_hid_get_report_descriptor	(	struct usbhid_dev *	hdev,
		uint8_t *	desc_buf,
		int	buf_max_len
	)

◆ usbh_hid_init()

void usbh_hid_init ( void )

Initialize USB Host HID driver.

Returns: None

Definition at line 209 of file hid_driver.c.

◆ usbh_hid_regitser_keyboard_callback()

void usbh_hid_regitser_keyboard_callback ( HID_KEYBOARD_FUNC * func )

Register the keyboard event callback function to HID class driver. Any keyboard reports will be sent to user application via this callback.

Parameters

[in] func Keyboard event callback function

Returns: None

Definition at line 755 of file hid_core.c.

◆ usbh_hid_regitser_mouse_callback()

void usbh_hid_regitser_mouse_callback ( HID_MOUSE_FUNC * func )

Register the mouse event callback function to HID class driver. Any mouse reports will be sent to user application via this callback.

Parameters

[in] func Mouse event callback function

Returns: None

Definition at line 743 of file hid_core.c.

◆ usbh_hid_set_idle()

int32_t usbh_hid_set_idle	(	struct usbhid_dev *	hdev,
		int	rtp_id,
		uint8_t	idle_rate
	)

◆ usbh_hid_set_protocol()

int32_t usbh_hid_set_protocol	(	struct usbhid_dev *	hdev,
		uint8_t	protocol
	)

◆ usbh_hid_set_report()

int32_t usbh_hid_set_report	(	struct usbhid_dev *	hdev,
		int	rtp_typ,
		int	rtp_id,
		uint8_t *	data,
		int	len
	)

◆ usbh_hid_start_int_read()

int32_t usbh_hid_start_int_read	(	struct usbhid_dev *	hdev,
		uint8_t	ep_addr,
		HID_IR_FUNC *	func
	)

◆ usbh_hid_start_int_write()

int32_t usbh_hid_start_int_write	(	struct usbhid_dev *	hdev,
		uint8_t	ep_addr,
		HID_IW_FUNC *	func
	)

◆ usbh_hid_stop_int_read()

int32_t usbh_hid_stop_int_read	(	struct usbhid_dev *	hdev,
		uint8_t	ep_addr
	)

◆ usbh_hid_stop_int_write()

int32_t usbh_hid_stop_int_write	(	struct usbhid_dev *	hdev,
		uint8_t	ep_addr
	)

◆ usbh_install_conn_callback()

void usbh_install_conn_callback	(	CONN_FUNC *	conn_func,
		CONN_FUNC *	disconn_func
	)

Install device connect and disconnect callback function.

Parameters

[in]	conn_func	Device connect callback function.
[in]	disconn_func	Device disconnect callback function.

Returns: None.

Definition at line 86 of file usb_core.c.

◆ usbh_pooling_hubs()

int usbh_pooling_hubs ( void )

Let USB stack polls all root hubs and downstream hubs. If there's any hub port change found, USB stack will manage the hub events in this function call. In this function, USB stack enumerates newly connected devices and remove staff of disconnected devices. User's application should periodically invoke this function.

Returns: There's hub port change or not.

Return values

0	No any hub port status changes found.
1	There's hub port status changes.

Definition at line 637 of file hub.c.

◆ usbh_resume()

void usbh_resume ( void )

Resume USB Host controller and devices.

Returns: None

Definition at line 176 of file usb_core.c.

◆ usbh_suspend()

void usbh_suspend ( void )

Suspend USB Host Controller and devices.

Returns: None

Definition at line 115 of file usb_core.c.

◆ usbh_uac_auto_gain_control()

int usbh_uac_auto_gain_control	(	UAC_DEV_T *	uac,
		uint8_t	target,
		uint8_t	req,
		uint16_t	chn,
		uint8_t *	bAGC
	)

Audio Class device automatic gain control.

Parameters

[in]	uac	UAC device
[in]	target	Select the control target. UAC_SPEAKER UAC_MICROPHONE
[in]	req	Control request. This UAC driver supports the following request: UAC_SET_CUR UAC_GET_CUR
[in]	chn	The requested channel. It can be one of the followings: UAC_CH_LEFT_FRONT UAC_CH_RIGHT_FRONT UAC_CH_CENTER_FRONT UAC_CH_LOW_FREQ_EN UAC_CH_LEFT_SRN UAC_CH_RIGHT_SRN UAC_CH_LEFT_OF_CENTER UAC_CH_RIGHT_OF_CENTER UAC_CH_SURROUND UAC_CH_SIDE_LEFT UAC_CH_SIDE_RIGHT UAC_CH_TOP
[in]	bAGC	One byte data. If the channel's automatic gain control is on, then the value is 1. Otherwise, it's 0.

Returns: Success or failed.

Return values

0	Success
UAC_RET_DEV_NOT_SUPPORTED	This UAC device does not support this function.
Otherwise	Error occurred

Definition at line 385 of file uac_core.c.

◆ usbh_uac_get_bit_resolution()

int usbh_uac_get_bit_resolution	(	UAC_DEV_T *	uac,
		uint8_t	target,
		uint8_t *	byte_cnt
	)

Obtain Audio Class device subframe bit resolution..

Parameters

[in]	uac	UAC device
[in]	target	Select the control target. UAC_SPEAKER UAC_MICROPHONE
[out]	byte_cnt	The number of bytes occupied by one audio subframe. Can be 1, 2, 3 or 4.

Returns: Bit resolution or error code.

Return values

<	0 Failed. UAC device may not present or function not supported.
Otherwise	The number of effectively used bits from the available bits in an audio subframe.

Definition at line 71 of file uac_core.c.

◆ usbh_uac_get_channel_number()

int usbh_uac_get_channel_number	(	UAC_DEV_T *	uac,
		uint8_t	target
	)

Obtain Audio Class device's channel number.

Parameters

[in]	uac	UAC device
[in]	target	Select the control target. UAC_SPEAKER UAC_MICROPHONE

Returns: Channel number or error code.

Return values

<	0 Failed. UAC device may not present or function not supported.
Otherwise	The channel number.

Definition at line 44 of file uac_core.c.

◆ usbh_uac_get_device_list()

UAC_DEV_T * usbh_uac_get_device_list ( void )

Get a list of currently connected USB Audio Class devices.

Returns: List of current connected UAC devices.

Return values

NULL	There's no UAC devices found.
Otherwise	A list of connected UAC devices.

The Audio Class devices are chained by the "next" member of UAC_DEV_T.

Definition at line 266 of file uac_driver.c.

◆ usbh_uac_get_sampling_rate()

HIDDEN_SYMBOLS int usbh_uac_get_sampling_rate	(	UAC_DEV_T *	uac,
		uint8_t	target,
		uint32_t *	srate_list,
		int	max_cnt,
		uint8_t *	type
	)

Get a list of sampling rate frequencies supported by the UAC device.

Parameters

[in]	uac	UAC device
[in]	target	Select the control target. UAC_SPEAKER UAC_MICROPHONE
[out]	srate_list	A word array provided by user application to hold the sampling rate list.
[in]	max_cnt	Available number of entries of srate_list[]. Must be > 2.
[out]	type	Indicates how the sampling frequency can be programmed. 0: Continuous sampling frequency. srate_list[0] is the lower bound in Hz of the sampling frequency and srate_list[1] is the upper bound. 1~255: The number of discrete sampling frequencies supported. They are listed in srate_list[].

Returns: Success or not.

Return values

0	Success
Otherwise	Failed

Definition at line 116 of file uac_core.c.

◆ usbh_uac_init()

HIDDEN_SYMBOLS void usbh_uac_init ( void )

Initialize USB Audio Class driver.

Returns: None

Definition at line 250 of file uac_driver.c.

◆ usbh_uac_mute_control()

int usbh_uac_mute_control	(	UAC_DEV_T *	uac,
		uint8_t	target,
		uint8_t	req,
		uint16_t	chn,
		uint8_t *	mute
	)

Control Audio Class device mute on/off.

Parameters

[in]	uac	UAC device
[in]	target	Select the control target. UAC_SPEAKER UAC_MICROPHONE
[in]	req	Control request. This UAC driver supports the following request: UAC_SET_CUR UAC_GET_CUR
[in]	chn	The requested channel. It can be one of the followings: UAC_CH_LEFT_FRONT UAC_CH_RIGHT_FRONT UAC_CH_CENTER_FRONT UAC_CH_LOW_FREQ_EN UAC_CH_LEFT_SRN UAC_CH_RIGHT_SRN UAC_CH_LEFT_OF_CENTER UAC_CH_RIGHT_OF_CENTER UAC_CH_SURROUND UAC_CH_SIDE_LEFT UAC_CH_SIDE_RIGHT UAC_CH_TOP
[in]	mute	One byte data. If the channel is muted, then the value is 1. Otherwise, it's 0.

Returns: Success or failed.

Return values

0	Success
UAC_RET_DEV_NOT_SUPPORTED	This UAC device does not support this function.
Otherwise	Error occurred

Definition at line 240 of file uac_core.c.

◆ usbh_uac_open()

int usbh_uac_open ( UAC_DEV_T * uac )

Open an connected UAC device.

Parameters

[in] uac Audio Class device

Returns: Success or not.

Return values

0	Success
Otherwise	Failed

Definition at line 997 of file uac_core.c.

◆ usbh_uac_sampling_rate_control()

int usbh_uac_sampling_rate_control	(	UAC_DEV_T *	uac,
		uint8_t	target,
		uint8_t	req,
		uint32_t *	srate
	)

Set sampling rate frequency.

Parameters

[in]	uac	UAC device
[in]	target	Select the control target. UAC_SPEAKER UAC_MICROPHONE
[in]	req	Control request. This UAC driver supports the following request: UAC_SET_CUR UAC_GET_CUR UAC_SET_MIN UAC_GET_MIN UAC_SET_MAX UAC_GET_MAX UAC_SET_RES UAC_GET_RES
[in]	srate	Sampling rate frequency to be set or get.

Returns: Success or failed.

Return values

0	Success
Otherwise	Error occurred

Definition at line 169 of file uac_core.c.

◆ usbh_uac_start_audio_in()

HIDDEN_SYMBOLS int usbh_uac_start_audio_in	(	UAC_DEV_T *	uac,
		UAC_CB_FUNC *	func
	)

Start to receive audio data from UAC device. (Microphone)

Parameters

[in]	uac	Audio Class device
[in]	func	Audio in callback function.

Returns: Success or not.

Return values

0	Success
Otherwise	Failed

Definition at line 554 of file uac_core.c.

◆ usbh_uac_start_audio_out()

HIDDEN_SYMBOLS int usbh_uac_start_audio_out	(	UAC_DEV_T *	uac,
		UAC_CB_FUNC *	func
	)

Start to transmit audio data to UAC device. (Speaker)

Parameters

[in]	uac	Audio Class device
[in]	func	Audio out call-back function. UAC driver call this function to get audio out stream data from user application.

Returns: Success or not.

Return values

0	Success
Otherwise	Failed

Definition at line 796 of file uac_core.c.

◆ usbh_uac_stop_audio_in()

int usbh_uac_stop_audio_in ( UAC_DEV_T * uac )

Stop UAC device audio in data stream.

Parameters

[in] uac Audio Class device

Returns: Success or not.

Return values

0	Success
Otherwise	Failed

Definition at line 703 of file uac_core.c.

◆ usbh_uac_stop_audio_out()

int usbh_uac_stop_audio_out ( UAC_DEV_T * uac )

Stop UAC device audio out data stream.

Parameters

[in] uac Audio Class device

Returns: Success or not.

Return values

0	Success
Otherwise	Failed

Definition at line 946 of file uac_core.c.

◆ usbh_uac_vol_control()

int usbh_uac_vol_control	(	UAC_DEV_T *	uac,
		uint8_t	target,
		uint8_t	req,
		uint16_t	chn,
		uint16_t *	volume
	)

Audio Class device volume control.

Parameters

[in]	uac	UAC device
[in]	target	Select the control target. UAC_SPEAKER UAC_MICROPHONE
[in]	req	Control request. This UAC driver supports the following request: UAC_SET_CUR UAC_GET_CUR UAC_SET_MIN UAC_GET_MIN UAC_SET_MAX UAC_GET_MAX UAC_SET_RES UAC_GET_RES UAC_GET_STAT
[in]	chn	The requested channel. It can be one of the followings: UAC_CH_LEFT_FRONT UAC_CH_RIGHT_FRONT UAC_CH_CENTER_FRONT UAC_CH_LOW_FREQ_EN UAC_CH_LEFT_SRN UAC_CH_RIGHT_SRN UAC_CH_LEFT_OF_CENTER UAC_CH_RIGHT_OF_CENTER UAC_CH_SURROUND UAC_CH_SIDE_LEFT UAC_CH_SIDE_RIGHT UAC_CH_TOP
[in]	volume	Audio Class device volume value, which is interpreted as the following: 0x7FFF: 127.9961 dB . . . 0x0100: 1.0000 dB . . . 0x0002: 0.0078 dB 0x0001: 0.0039 dB 0x0000: 0.0000 dB 0xFFFF: -0.0039 dB 0xFFFE: -0.0078 dB . . . 0xFE00: -1.0000 dB . . . 0x8002: -127.9922 dB 0x8001: -127.9961 dB

Returns: Success or failed.

Return values

0	Success
UAC_RET_DEV_NOT_SUPPORTED	This UAC device does not support this function.
Otherwise	Error occurred

Definition at line 323 of file uac_core.c.

◆ usbh_umas_disk_status()

int usbh_umas_disk_status ( int drv_no )

◆ usbh_umas_init()

int usbh_umas_init ( void )

Register and initialize USB Host Mass Storage driver.

Return values

0	Success.
1	Failed.

Definition at line 631 of file msc_driver.c.

◆ usbh_umas_ioctl()

int usbh_umas_ioctl	(	int	drv_no,
		int	cmd,
		void *	buff
	)

◆ usbh_umas_read()

int usbh_umas_read	(	int	drv_no,
		uint32_t	sec_no,
		int	sec_cnt,
		uint8_t *	buff
	)

◆ usbh_umas_write()

int usbh_umas_write	(	int	drv_no,
		uint32_t	sec_no,
		int	sec_cnt,
		uint8_t *	buff
	)

Functions

Detailed Description

Function Documentation

◆ get_ticks()

◆ usbh_cdc_get_device_list()

◆ usbh_cdc_get_line_coding()

◆ usbh_cdc_init()

◆ usbh_cdc_send_data()

◆ usbh_cdc_set_control_line_state()

◆ usbh_cdc_set_line_coding()

◆ usbh_cdc_start_polling_status()

◆ usbh_cdc_start_to_receive_data()

◆ usbh_core_init()

◆ usbh_find_device()

◆ usbh_hid_get_device_list()

◆ usbh_hid_get_idle()

◆ usbh_hid_get_protocol()

◆ usbh_hid_get_report()

◆ usbh_hid_get_report_descriptor()

◆ usbh_hid_init()

◆ usbh_hid_regitser_keyboard_callback()

◆ usbh_hid_regitser_mouse_callback()

◆ usbh_hid_set_idle()

◆ usbh_hid_set_protocol()

◆ usbh_hid_set_report()

◆ usbh_hid_start_int_read()

◆ usbh_hid_start_int_write()

◆ usbh_hid_stop_int_read()

◆ usbh_hid_stop_int_write()

◆ usbh_install_conn_callback()

◆ usbh_pooling_hubs()

◆ usbh_resume()

◆ usbh_suspend()

◆ usbh_uac_auto_gain_control()

◆ usbh_uac_get_bit_resolution()

◆ usbh_uac_get_channel_number()

◆ usbh_uac_get_device_list()

◆ usbh_uac_get_sampling_rate()

◆ usbh_uac_init()

◆ usbh_uac_mute_control()

◆ usbh_uac_open()

◆ usbh_uac_sampling_rate_control()

◆ usbh_uac_start_audio_in()

◆ usbh_uac_start_audio_out()

◆ usbh_uac_stop_audio_in()

◆ usbh_uac_stop_audio_out()

◆ usbh_uac_vol_control()

◆ usbh_umas_disk_status()

◆ usbh_umas_init()

◆ usbh_umas_ioctl()

◆ usbh_umas_read()

◆ usbh_umas_write()