USB Host CDC API#

USBH_CDC_ConfigureBufAlignOctets()#

Description#

Configures the alignment of the internal buffers.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void  USBH_CDC_ConfigureBufAlignOctets (CPU_SIZE_T  buf_align_octets)

Arguments#

buf_align_octets

Buffer alignment, in octets.

Returned Value#

None.

Notes / Warnings#

  1. This function is optional, if it is not called, the default value will be used.

  2. This function MUST be called before the CDC class is initialized via the USBH_CDC_Init() function.

USBH_CDC_ConfigureEventURB_Qty()#

Description#

Configures the quantity of URBs used to retrieve CDC status to allocate/submit.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void  USBH_CDC_ConfigureEventURB_Qty (CPU_INT08U  event_urb_qty)

Arguments#

event_urb_qty

Quantity of event URBs.

Returned Value#

None.

Notes / Warnings#

  1. This function is optional, if it is not called, the default value will be used.

  2. This function MUST be called before the CDC class is initialized via the USBH_CDC_Init() function.

USBH_CDC_ConfigureOptimizeSpdCfg()#

Description#

Sets the configurations required when optimize speed mode is enabled.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void  USBH_CDC_ConfigureOptimizeSpdCfg(const  USBH_CDC_CFG_OPTIMIZE_SPD  *p_optimize_spd_cfg)

Arguments#

p_optimize_spd_cfg

Pointer to the structure containing the configurations for the optimize speed mode.

Returned Value#

None.

Notes / Warnings#

  1. This function MUST be called before the CDC class is initialized via the USBH_CDC_Init() function.

  2. This function MUST be called when the USBH_CFG_OPTIMIZE_SPD_EN configuration is set to DEF_ENABLED.

USBH_CDC_ConfigureInitAllocCfg()#

Description#

Sets the configurations required when allocation at initialization mode is enabled.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void  USBH_CDC_ConfigureInitAllocCfg  (const  USBH_CDC_CFG_INIT_ALLOC  *p_init_alloc_cfg)

Arguments#

p_init_alloc_cfg

Pointer to the structure containing the configurations for the allocation at initialization mode.

Returned Value#

None.

Notes / Warnings#

  1. This function MUST be called before the CDC class is initialized via the USBH_CDC_Init() function.

  2. This function MUST be called when the USBH_CFG_INIT_ALLOC_EN configuration is set to DEF_ENABLED.

USBH_CDC_ConfigureMemSeg()#

Description#

Configures the memory segment to use when allocating control data and buffers.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void  USBH_CDC_ConfigureMemSeg (MEM_SEG  *p_mem_seg,
                                MEM_SEG  *p_mem_seg_buf)

Arguments#

p_mem_seg

  • Pointer to memory segment to use when allocating control data. Can be the same segment used for p_mem_seg_buf.

  • DEF_NULL means general purpose heap segment.

p_mem_seg_buf

  • Pointer to memory segment to use when allocating data buffers. Can be the same segment used for p_mem_seg.

  • DEF_NULL means general purpose heap segment.

Returned Value#

None.

Notes / Warnings#

  1. This function is optional, if it is not called, the default value will be used.

  2. This function MUST be called before the CDC class is initialized via the USBH_CDC_Init() function.

USBH_CDC_Init()#

Description#

Initializes the Communication Device Class (CDC) driver.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void USBH_CDC_Init ( RTOS_ERR  *p_err)

Arguments#

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_OS_ILLEGAL_RUN_TIME

  • RTOS_ERR_SEG_OVF

  • RTOS_ERR_BLK_ALLOC_CALLBACK

  • RTOS_ERR_POOL_EMPTY

  • RTOS_ERR_NOT_AVAIL

Returned Value#

None.

Notes / Warnings#

None.

USBH_CDC_StdReqTimeoutSet()#

Description#

Assigns a new timeout delay for the CDC standard requests.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void  USBH_CDC_StdReqTimeoutSet (CPU_INT32U   std_req_timeout_ms,
                                 RTOS_ERR    *p_err)

Arguments#

std_req_timeout_ms

New timeout, in milliseconds.

p_err

Pointer to the variable that will receive one of the following error code(s) from this function:

  • RTOS_ERR_NONE

Returned Value#

None.

Notes / Warnings#

None.

USBH_CDC_PostInit()#

Description#

Post-initializes the Communication Device Class (CDC) driver once all the subclass drivers added.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void USBH_CDC_PostInit (RTOS_ERR *p_err)

Arguments#

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_SEG_OVF

  • RTOS_ERR_BLK_ALLOC_CALLBACK

Returned Value#

None.

Notes / Warnings#

  1. This function MUST be called by the application once all the subclass drivers are initialized and BEFORE starting the USB Host product.

USBH_CDC_DevHandleGet()#

Description#

Gets the device handle of a given CDC function.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

USBH_DEV_HANDLE USBH_CDC_DevHandleGet (USBH_CDC_FNCT_HANDLE   cdc_fnct_handle,
                                        RTOS_ERR              *p_err)

Arguments#

cdc_fnct_handle

Handle on the CDC function.

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_ABORT

  • RTOS_ERR_INVALID_HANDLE

  • RTOS_ERR_TIMEOUT

  • RTOS_ERR_OS_OBJ_DEL

  • RTOS_ERR_NOT_AVAIL

Returned Value#

Device handle.

Notes / Warnings#

None.

USBH_CDC_FnctHandleGet()#

Description#

Gets the function handle of a given CDC function.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

USBH_FNCT_HANDLE USBH_CDC_FnctHandleGet (USBH_CDC_FNCT_HANDLE    cdc_fnct_handle,
                                          RTOS_ERR               *p_err)

Arguments#

cdc_fnct_handle

Handle on the CDC function.

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_ABORT

  • RTOS_ERR_INVALID_HANDLE

  • RTOS_ERR_TIMEOUT

  • RTOS_ERR_OS_OBJ_DEL

  • RTOS_ERR_NOT_AVAIL

Returned Value#

Function handle.

Notes / Warnings#

None.

USBH_CDC_DCI_QtyGet()#

Description#

Gets the quantity of Data Class Interface (DCI) for a given CDC function.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

CPU_INT08U USBH_CDC_DCI_QtyGet (USBH_CDC_FNCT_HANDLE cdc_fnct_handle,
                                RTOS_ERR             *p_err)

Arguments#

cdc_fnct_handle

Handle on CDC function.

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_ABORT

  • RTOS_ERR_INVALID_HANDLE

  • RTOS_ERR_TIMEOUT

  • RTOS_ERR_OS_OBJ_DEL

  • RTOS_ERR_NOT_AVAIL

Returned Value#

Number of DCI.

Notes / Warnings#

None.

USBH_CDC_RelNbrGet()#

Description#

Gets the CDC function release number (bcdCDC).

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

CPU_INT16U USBH_CDC_RelNbrGet (USBH_CDC_FNCT_HANDLE   cdc_fnct_handle,
                                RTOS_ERR              *p_err)

Arguments#

cdc_fnct_handle

Handle on CDC function.

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_ABORT

  • RTOS_ERR_INVALID_HANDLE

  • RTOS_ERR_TIMEOUT

  • RTOS_ERR_OS_OBJ_DEL

  • RTOS_ERR_NOT_AVAIL

Returned Value#

Release number.

Notes / Warnings#

  1. For more information on CDC release number, see 'USB Class Definitions for Communication Devices Specification", version 1.2, Section 5.2.3.1'.

USBH_CDC_EncapsulatedCmdTx()#

Description#

Sends the CDC encapsulated command.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

CPU_INT16U USBH_CDC_EncapsulatedCmdTx (USBH_CDC_FNCT_HANDLE   cdc_fnct_handle,
                                        CPU_INT08U            *p_buf,
                                        CPU_INT16U             buf_len,
                                        CPU_INT32U             timeout,
                                        RTOS_ERR              *p_err)

Arguments#

cdc_fnct_handle

Handle on the CDC function.

p_buf

Pointer to the buffer that contains the command.

buf_len

Buffer length in octets.

timeout

Timeout in milliseconds.

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_ABORT

  • RTOS_ERR_BLK_ALLOC_CALLBACK

  • RTOS_ERR_POOL_EMPTY

  • RTOS_ERR_WOULD_BLOCK

  • RTOS_ERR_OS_SCHED_LOCKED

  • RTOS_ERR_IS_OWNER

  • RTOS_ERR_INVALID_STATE

  • RTOS_ERR_URB_ALLOC

  • RTOS_ERR_INVALID_HANDLE

  • RTOS_ERR_SEG_OVF

  • RTOS_ERR_EP_INVALID

  • RTOS_ERR_INVALID_ARG

  • RTOS_ERR_TIMEOUT

  • RTOS_ERR_OS_OBJ_DEL

  • RTOS_ERR_NOT_AVAIL

  • RTOS_ERR_TX

  • RTOS_ERR_WOULD_OVF

Returned Value#

Number of octets transferred.

Notes / Warnings#

  1. For more information on SendEncapsulatedCommand, see 'USB Class Definitions for Communication Devices Specification", version 1.2, Section 6.2.1'.

USBH_CDC_EncapsulatedRespRx()#

Description#

Send the CDC encapsulated command.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

CPU_INT16U USBH_CDC_EncapsulatedRespRx (USBH_CDC_FNCT_HANDLE   cdc_fnct_handle,
                                         CPU_INT08U            *p_buf,
                                         CPU_INT16U             buf_len,
                                         CPU_INT32U             timeout,
                                         RTOS_ERR              *p_err)

Arguments#

cdc_fnct_handle

Handle on the CDC function.

p_buf

Pointer to the buffer that will receive data.

buf_len

Buffer length in octets.

timeout

Timeout in milliseconds.

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_ABORT

  • RTOS_ERR_BLK_ALLOC_CALLBACK

  • RTOS_ERR_POOL_EMPTY

  • RTOS_ERR_WOULD_BLOCK

  • RTOS_ERR_OS_SCHED_LOCKED

  • RTOS_ERR_IS_OWNER

  • RTOS_ERR_INVALID_STATE

  • RTOS_ERR_URB_ALLOC

  • RTOS_ERR_INVALID_HANDLE

  • RTOS_ERR_SEG_OVF

  • RTOS_ERR_EP_INVALID

  • RTOS_ERR_INVALID_ARG

  • RTOS_ERR_TIMEOUT

  • RTOS_ERR_OS_OBJ_DEL

  • RTOS_ERR_NOT_AVAIL

  • RTOS_ERR_TX

  • RTOS_ERR_WOULD_OVF

Returned Value#

Number of octets received.

Notes / Warnings#

  1. For more information on GetEncapsulatedCommand, see 'USB Class Definitions for Communication Devices Specification", version 1.2, Section 6.2.2'.

USBH_CDC_CommFeatureSet()#

Description#

Configures the CDC communication feature.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void USBH_CDC_CommFeatureSet (USBH_CDC_FNCT_HANDLE   cdc_fnct_handle,
                               CPU_INT08U             feature,
                               CPU_INT16U             data,
                               CPU_INT32U             timeout,
                               RTOS_ERR              *p_err)

Arguments#

cdc_fnct_handle

Handle on CDC function.

feature

Feature to configure, which includes:

  • USBH_CDC_COMM_FEATURE_ABSTRACT_STATE

  • USBH_CDC_COMM_FEATURE_COUNTRY_SETTING

data

Data of the configured communication feature request.

timeout

Timeout in milliseconds.

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_ABORT

  • RTOS_ERR_BLK_ALLOC_CALLBACK

  • RTOS_ERR_POOL_EMPTY

  • RTOS_ERR_WOULD_BLOCK

  • RTOS_ERR_OS_SCHED_LOCKED

  • RTOS_ERR_IS_OWNER

  • RTOS_ERR_INVALID_STATE

  • RTOS_ERR_URB_ALLOC

  • RTOS_ERR_INVALID_HANDLE

  • RTOS_ERR_SEG_OVF

  • RTOS_ERR_EP_INVALID

  • RTOS_ERR_INVALID_ARG

  • RTOS_ERR_TIMEOUT

  • RTOS_ERR_OS_OBJ_DEL

  • RTOS_ERR_TX

  • RTOS_ERR_NOT_AVAIL

  • RTOS_ERR_WOULD_OVF

Returned Value#

None.

Notes / Warnings#

  1. For more information on SetCommFeature request, see 'Communication Class Subclass Specification for PSTN Devices, version 1.2, Section 6.3.1'.

USBH_CDC_CommFeatureGet()#

Description#

Gets CDC function line coding.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

CPU_INT16U USBH_CDC_CommFeatureGet (USBH_CDC_FNCT_HANDLE   cdc_fnct_handle,
                                     CPU_INT08U             feature,
                                     CPU_INT32U             timeout,
                                     RTOS_ERR              *p_err)

Arguments#

cdc_fnct_handle

Handle on the CDC function.

feature

Feature to Get, which includes:

  • USBH_CDC_COMM_FEATURE_ABSTRACT_STATE

  • USBH_CDC_COMM_FEATURE_COUNTRY_SETTING

timeout

Timeout in milliseconds.

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_ABORT

  • RTOS_ERR_BLK_ALLOC_CALLBACK

  • RTOS_ERR_POOL_EMPTY

  • RTOS_ERR_WOULD_BLOCK

  • RTOS_ERR_OS_SCHED_LOCKED

  • RTOS_ERR_IS_OWNER

  • RTOS_ERR_INVALID_STATE

  • RTOS_ERR_URB_ALLOC

  • RTOS_ERR_INVALID_HANDLE

  • RTOS_ERR_SEG_OVF

  • RTOS_ERR_EP_INVALID

  • RTOS_ERR_INVALID_ARG

  • RTOS_ERR_TIMEOUT

  • RTOS_ERR_OS_OBJ_DEL

  • RTOS_ERR_TX

  • RTOS_ERR_NOT_AVAIL

  • RTOS_ERR_WOULD_OVF

Returned Value#

Data of Get communication feature request.

Notes / Warnings#

  1. For more information on GetCommFeature request, see 'Communication Class Subclass Specification for PSTN Devices, version 1.2, Section 6.3.2'.

USBH_CDC_CommFeatureClr()#

Description#

Clears the CDC function communication feature.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void USBH_CDC_CommFeatureClr (USBH_CDC_FNCT_HANDLE    cdc_fnct_handle,
                               CPU_INT08U              feature,
                               CPU_INT32U              timeout,
                               RTOS_ERR               *p_err)

Arguments#

cdc_fnct_handle

Handle on CDC function.

feature

Feature to clear, which includes:

  • USBH_CDC_COMM_FEATURE_ABSTRACT_STATE

  • USBH_CDC_COMM_FEATURE_COUNTRY_SETTING

timeout

Timeout in milliseconds.

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_ABORT

  • RTOS_ERR_BLK_ALLOC_CALLBACK

  • RTOS_ERR_POOL_EMPTY

  • RTOS_ERR_WOULD_BLOCK

  • RTOS_ERR_OS_SCHED_LOCKED

  • RTOS_ERR_IS_OWNER

  • RTOS_ERR_INVALID_STATE

  • RTOS_ERR_URB_ALLOC

  • RTOS_ERR_INVALID_HANDLE

  • RTOS_ERR_SEG_OVF

  • RTOS_ERR_EP_INVALID

  • RTOS_ERR_INVALID_ARG

  • RTOS_ERR_TIMEOUT

  • RTOS_ERR_OS_OBJ_DEL

  • RTOS_ERR_NOT_AVAIL

  • RTOS_ERR_TX

  • RTOS_ERR_WOULD_OVF

Returned Value#

None.

Notes / Warnings#

  1. For more information on ClearCommFeature request, see 'Communication Class Subclass Specification for PSTN Devices, version 1.2, Section 6.3.3'.

USBH_CDC_LineCodingSet()#

Description#

Sets the CDC function line coding.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void USBH_CDC_LineCodingSet (USBH_CDC_FNCT_HANDLE cdc_fnct_handle,
                            USBH_CDC_LINECODING   *p_line_coding,
                             CPU_INT32U           timeout,
                             RTOS_ERR             *p_err)

Arguments#

cdc_fnct_handle

Handle on the CDC function.

p_line_coding

Pointer to the structure that contains line coding to set.

timeout

Timeout in milliseconds.

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_ABORT

  • RTOS_ERR_BLK_ALLOC_CALLBACK

  • RTOS_ERR_POOL_EMPTY

  • RTOS_ERR_WOULD_BLOCK

  • RTOS_ERR_OS_SCHED_LOCKED

  • RTOS_ERR_IS_OWNER

  • RTOS_ERR_INVALID_STATE

  • RTOS_ERR_URB_ALLOC

  • RTOS_ERR_INVALID_HANDLE

  • RTOS_ERR_SEG_OVF

  • RTOS_ERR_EP_INVALID

  • RTOS_ERR_INVALID_ARG

  • RTOS_ERR_TIMEOUT

  • RTOS_ERR_OS_OBJ_DEL

  • RTOS_ERR_TX

  • RTOS_ERR_NOT_AVAIL

  • RTOS_ERR_WOULD_OVF

Returned Value#

None.

Notes / Warnings#

  1. For more information on SetLineCoding command, see 'Communication Class Subclass Specification for PSTN Devices, version 1.2, Section 6.3.10'.

USBH_CDC_LineCodingGet()#

Description#

Gets the CDC function line coding.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void USBH_CDC_LineCodingGet (USBH_CDC_FNCT_HANDLE    cdc_fnct_handle,
                              USBH_CDC_LINECODING    *p_line_coding,
                              CPU_INT32U              timeout,
                              RTOS_ERR               *p_err)

Arguments#

cdc_fnct_handle

Handle on the CDC function.

p_line_coding

Pointer to the structure that will receive line coding.

timeout

Timeout in milliseconds.

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_ABORT

  • RTOS_ERR_BLK_ALLOC_CALLBACK

  • RTOS_ERR_POOL_EMPTY

  • RTOS_ERR_WOULD_BLOCK

  • RTOS_ERR_OS_SCHED_LOCKED

  • RTOS_ERR_IS_OWNER

  • RTOS_ERR_INVALID_STATE

  • RTOS_ERR_URB_ALLOC

  • RTOS_ERR_INVALID_HANDLE

  • RTOS_ERR_SEG_OVF

  • RTOS_ERR_EP_INVALID

  • RTOS_ERR_INVALID_ARG

  • RTOS_ERR_TIMEOUT

  • RTOS_ERR_OS_OBJ_DEL

  • RTOS_ERR_TX

  • RTOS_ERR_NOT_AVAIL

  • RTOS_ERR_WOULD_OVF

Returned Value#

None.

Notes / Warnings#

  1. For more information on GetLineCoding command, see 'Communication Class Subclass Specification for PSTN Devices, version 1.2, Section 6.3.11'.

USBH_CDC_CtrlLineStateSet()#

Description#

Sets the CDC function control line state.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void USBH_CDC_CtrlLineStateSet (USBH_CDC_FNCT_HANDLE    cdc_fnct_handle,
                                 CPU_INT16U              ctrl_signal,
                                 CPU_INT32U              timeout,
                                 RTOS_ERR               *p_err)

Arguments#

cdc_fnct_handle

Handle on the CDC function.

ctrl_signal

Control signal, which includes:

  • USBH_CDC_CTRL_LINE_STATE_CARRIER

  • USBH_CDC_CTRL_LINE_STATE_DTE

timeout

Timeout in milliseconds.

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_ABORT

  • RTOS_ERR_BLK_ALLOC_CALLBACK

  • RTOS_ERR_POOL_EMPTY

  • RTOS_ERR_WOULD_BLOCK

  • RTOS_ERR_OS_SCHED_LOCKED

  • RTOS_ERR_IS_OWNER

  • RTOS_ERR_INVALID_STATE

  • RTOS_ERR_URB_ALLOC

  • RTOS_ERR_INVALID_HANDLE

  • RTOS_ERR_SEG_OVF

  • RTOS_ERR_EP_INVALID

  • RTOS_ERR_INVALID_ARG

  • RTOS_ERR_TIMEOUT

  • RTOS_ERR_OS_OBJ_DEL

  • RTOS_ERR_NOT_AVAIL

  • RTOS_ERR_TX

  • RTOS_ERR_WOULD_OVF

Returned Value#

None.

Notes / Warnings#

  1. For more information on SetControlLineState request, see 'Communication Class Subclass Specification for PSTN Devices, version 1.2, Section 6.3.12'.

USBH_CDC_BrkSend()#

Description#

Sends the break signal to CDC function.

Files#

usbh_cdc.h/usbh_cdc.c

Prototype#

void USBH_CDC_BrkSend (USBH_CDC_FNCT_HANDLE   cdc_fnct_handle,
                        CPU_INT16U             dur,
                        CPU_INT32U             timeout,
                        RTOS_ERR              *p_err)

Arguments#

cdc_fnct_handle

Handle on the CDC function.

dur

Duration of break.

timeout

Timeout in milliseconds.

p_err

Pointer to the variable that will receive one of these return error codes from this function :

  • RTOS_ERR_NONE

  • RTOS_ERR_ABORT

  • RTOS_ERR_BLK_ALLOC_CALLBACK

  • RTOS_ERR_POOL_EMPTY

  • RTOS_ERR_WOULD_BLOCK

  • RTOS_ERR_OS_SCHED_LOCKED

  • RTOS_ERR_IS_OWNER

  • RTOS_ERR_INVALID_STATE

  • RTOS_ERR_URB_ALLOC

  • RTOS_ERR_INVALID_HANDLE

  • RTOS_ERR_SEG_OVF

  • RTOS_ERR_EP_INVALID

  • RTOS_ERR_INVALID_ARG

  • RTOS_ERR_TIMEOUT

  • RTOS_ERR_OS_OBJ_DEL

  • RTOS_ERR_NOT_AVAIL

  • RTOS_ERR_TX

  • RTOS_ERR_WOULD_OVF

Returned Value#

None.

Notes / Warnings#

  1. For more information on endBreak request, see 'Communication Class Subclass Specification for PSTN Devices, version 1.2, Section 6.3.13'.