usbhost: adds a driver for the FTDI FT232R USB to serial converter
This commit is contained in:
Nicholas Chin
patacongo
parent
20ef084712
commit
560ba3adcd
@ -600,4 +600,96 @@ config USBHOST_TRACE_VERBOSE
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endif
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config USBHOST_FT232R
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bool "FTDI FT232R support"
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default n
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depends on !USBHOST_BULK_DISABLE && !USBHOST_INT_DISABLE
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select SERIAL_REMOVABLE
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---help---
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Select this option to build in host support for FTDI FT232R
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serial devices.
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if USBHOST_FT232R
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config USBHOST_FT232R_RXDELAY
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int "RX poll delay (MSec)"
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default 200
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---help---
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When the CDC/ACM device is inactive, the host must poll it at this
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rate in order to discover if it has serial data to send to us.
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config USBHOST_FT232R_TXDELAY
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int "TX poll delay (MSec)"
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default 200
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---help---
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When the appellation is inactive, the host must poll it at this
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rate in order to discover if it has serial data to send to the
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device.
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config USBHOST_FT232R_NPREALLOC
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int "Preallocated state"
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default 0
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---help---
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If this setting is zero, the FT232R driver will allocate
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memory as needed for FT232R device state. If this value is non-
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zero, then it provides a number of preallocated FT232R state
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structures. This increases the static size of the code image, but
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eliminates all, direct, run-time allocations by the driver.
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config USBHOST_FT232R_BAUD
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int "Initialize FT232R BAUD"
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default 115200
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config USBHOST_FT232R_PARITY
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int "Initialize FT232R parity"
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default 0
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range 0 2
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---help---
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Initialize FT232R parity. 0=None, 1=Odd, 2=Even. Default: None
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config USBHOST_FT232R_BITS
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int "Initialize FT232R transfer size"
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default 8
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range 7 8
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---help---
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Initialize FT232R number of bits. Default: 8
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config USBHOST_FT232R_2STOP
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bool "FT232R use two stop bits"
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default n
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---help---
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False = 1 stop bit, True = Two stop bits. Default: 1 stop bit
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config USBHOST_FT232R_HWFLOWCTRL
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bool "Use FT232R RTS/CTS"
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default n
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---help---
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Enables the FT232R to use its flow control signals
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config USBHOST_FT232R_RXBUFSIZE
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int "Serial RX buffer size"
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default 128
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---help---
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This is the size of the serial buffer that will be used to hold
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received data.
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config USBHOST_FT232R_TXBUFSIZE
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int "Serial TX buffer size"
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default 128
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---help---
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This is the size of the serial buffer that will be used to hold
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data waiting for transmission.
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config USBHOST_FT232R_LATENCY
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int "Latency Timer"
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default 16
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range 0 255
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---help---
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A timeout for UART to USB packet reception. The FT232R will
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release its buffer for sending to the USB host once this timeout
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occurs or the buffer is full. Measured in ms.
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endif # USBHOST_FT232R
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endif # USBHOST
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@ -74,6 +74,10 @@ ifeq ($(CONFIG_USBHOST_MAX3421E),y)
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CSRCS += usbhost_max3421e.c
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endif
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ifeq ($(CONFIG_USBHOST_FT232R),y)
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CSRCS += usbhost_ft232r.c
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endif
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# HCD debug/trace logic
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ifeq ($(CONFIG_USBHOST_TRACE),y)
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2798
drivers/usbhost/usbhost_ft232r.c
Normal file
2798
drivers/usbhost/usbhost_ft232r.c
Normal file
File diff suppressed because it is too large
Load Diff
@ -77,12 +77,12 @@
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* Name: CLASS_CREATE
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*
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* Description:
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* This macro will call the create() method of struct usbhost_registry_s. The create()
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* method is a callback into the class implementation. It is used to (1) create
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* a new instance of the USB host class state and to (2) bind a USB host driver
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* "session" to the class instance. Use of this create() method will support
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* environments where there may be multiple USB ports and multiple USB devices
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* simultaneously connected.
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* This macro will call the create() method of struct usbhost_registry_s.
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* The create() method is a callback into the class implementation. It is used
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* to (1) create a new instance of the USB host class state and to (2) bind a
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* USB host driver "session" to the class instance. Use of this create() method
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* will support environments where there may be multiple USB ports and multiple
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* USB devices simultaneously connected.
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*
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* Input Parameters:
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* reg - The USB host class registry entry previously obtained from a call to
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@ -112,14 +112,16 @@
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*
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* Description:
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* This macro will call the connect() method of struct usbhost_class_s. This
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* method is a callback into the devclass implementation. It is used to provide the
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* device's configuration descriptor to the devclass so that the devclass may initialize
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* properly
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* method is a callback into the devclass implementation. It is used to provide
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* the device's configuration descriptor to the devclass so that the devclass may
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* initialize properly.
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*
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* Input Parameters:
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* devclass - The USB host class entry previously obtained from a call to create().
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* configdesc - A pointer to a uint8_t buffer container the configuration descriptor.
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* desclen - The length in bytes of the configuration descriptor.
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* devclass - The USB host class entry previously obtained from a call
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* to create().
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* configdesc - A pointer to a uint8_t buffer containing the configuration
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* descriptor.
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* desclen - The length in bytes of the configuration descriptor.
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*
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* Returned Value:
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* On success, zero (OK) is returned. On a failure, a negated errno value is
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@ -163,7 +165,7 @@
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#define CLASS_DISCONNECTED(devclass) ((devclass)->disconnected(devclass))
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/****************************************************************************
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/************************************************************************************
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* Name: CONN_WAIT
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*
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* Description:
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@ -186,7 +188,7 @@
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* - Called from a single thread so no mutual exclusion is required.
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* - Never called from an interrupt handler.
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*
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****************************************************************************/
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************************************************************************************/
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#define CONN_WAIT(conn,hport) ((conn)->wait(conn,hport))
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@ -644,8 +646,8 @@ struct usbhost_id_s
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* connected to the USB port.
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*/
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struct usbhost_hubport_s; /* Forward reference to the hub state structure */
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struct usbhost_class_s; /* Forward reference to the class state structure */
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struct usbhost_hubport_s; /* Forward reference to the hub state structure */
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struct usbhost_class_s; /* Forward reference to the class state structure */
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struct usbhost_registry_s
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{
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/* This field is used to implement a singly-link registry structure. Because of
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@ -730,9 +732,9 @@ struct usbhost_roothubport_s
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struct usbhost_class_s
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{
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/* Class instances are associated with devices connected on one port on a
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* hub and are represented by this structure.
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*/
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/* Class instances are associated with devices connected on one port on a
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* hub and are represented by this structure.
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*/
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FAR struct usbhost_hubport_s *hport; /* The port used by this class instance */
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@ -985,7 +987,7 @@ const struct usbhost_registry_s *
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usbhost_findclass(FAR const struct usbhost_id_s *id);
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#ifdef CONFIG_USBHOST_HUB
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/****************************************************************************
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/***********************************************************************************
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* Name: usbhost_hub_initialize
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*
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* Description:
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@ -1000,13 +1002,13 @@ const struct usbhost_registry_s *
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* On success this function will return zero (OK); A negated errno value
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* will be returned on failure.
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*
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****************************************************************************/
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************************************************************************************/
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int usbhost_hub_initialize(void);
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#endif
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#ifdef CONFIG_USBHOST_MSC
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/****************************************************************************
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/************************************************************************************
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* Name: usbhost_msc_initialize
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*
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* Description:
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@ -1021,13 +1023,13 @@ int usbhost_hub_initialize(void);
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* On success this function will return zero (OK); A negated errno value
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* will be returned on failure.
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*
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****************************************************************************/
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************************************************************************************/
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int usbhost_msc_initialize(void);
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#endif
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#ifdef CONFIG_USBHOST_CDCACM
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/****************************************************************************
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/************************************************************************************
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* Name: usbhost_cdcacm_initialize
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*
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* Description:
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@ -1042,13 +1044,34 @@ int usbhost_msc_initialize(void);
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* On success this function will return zero (OK); A negated errno value
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* will be returned on failure.
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*
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****************************************************************************/
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************************************************************************************/
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int usbhost_cdcacm_initialize(void);
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#endif
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#ifdef CONFIG_USBHOST_FT232R
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/************************************************************************************
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* Name: usbhost_ft232r_initialize
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*
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* Description:
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* Initialize the USB FT232R driver. This function should be called
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* be platform-specific code in order to initialize and register support
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* for the FT232R.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* On success this function will return zero (OK); A negated errno value
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* will be returned on failure.
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*
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************************************************************************************/
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int usbhost_ft232r_initialize(void);
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#endif
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#ifdef CONFIG_USBHOST_HIDKBD
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/****************************************************************************
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/************************************************************************************
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* Name: usbhost_kbdinit
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*
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* Description:
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@ -1063,13 +1086,13 @@ int usbhost_cdcacm_initialize(void);
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* On success this function will return zero (OK); A negated errno value
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* will be returned on failure.
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*
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****************************************************************************/
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************************************************************************************/
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int usbhost_kbdinit(void);
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#endif
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#ifdef CONFIG_USBHOST_HIDMOUSE
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/****************************************************************************
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/************************************************************************************
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* Name: usbhost_mouse_init
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*
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* Description:
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@ -1084,13 +1107,13 @@ int usbhost_kbdinit(void);
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* On success this function will return zero (OK); A negated errno value
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* will be returned on failure.
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*
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****************************************************************************/
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************************************************************************************/
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int usbhost_mouse_init(void);
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#endif
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#ifdef CONFIG_USBHOST_XBOXCONTROLLER
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/****************************************************************************
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/************************************************************************************
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* Name: usbhost_xboxcontroller_init
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*
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* Description:
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@ -1105,12 +1128,12 @@ int usbhost_mouse_init(void);
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* On success this function will return zero (OK); A negated errno value
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* will be returned on failure.
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*
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****************************************************************************/
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************************************************************************************/
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int usbhost_xboxcontroller_init(void);
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#endif
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/****************************************************************************
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/************************************************************************************
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* Name: usbhost_wlaninit
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*
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* Description:
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@ -1125,11 +1148,11 @@ int usbhost_xboxcontroller_init(void);
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* On success this function will return zero (OK); A negated errno value
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* will be returned on failure.
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*
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****************************************************************************/
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************************************************************************************/
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int usbhost_wlaninit(void);
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/****************************************************************************
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/************************************************************************************
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* Name: usbhost_enumerate
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*
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* Description:
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@ -1161,7 +1184,7 @@ int usbhost_wlaninit(void);
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* - Called from a single thread so no mutual exclusion is required.
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* - Never called from an interrupt handler.
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*
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****************************************************************************/
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************************************************************************************/
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int usbhost_enumerate(FAR struct usbhost_hubport_s *hub,
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FAR struct usbhost_class_s **devclass);
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