usbhost_hidkbd: Add the option to use interrupt transfers.
Using the interrupt pipe is recommended in the Get_Report request section of the HID standard. This option has been added to support some keyboards that refuse to return valid keys when polled using the Get_Report request. Support for the Caps Lock key, including LED, has also been added.
This commit is contained in:
Lwazi Dube
Alan Carvalho de Assis
parent
b058f37353
commit
18d196e968
@ -361,6 +361,12 @@ config HIDKBD_NODEBOUNCE
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If set to y normal debouncing is disabled. Default:
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Debounce enabled (No repeat keys).
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config HIDKBD_NOGETREPORT
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bool "Use Interrupt pipe to get keys"
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default n
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---help---
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Use the INTERRUPT IN pipe to get keyboard input reports.
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endif
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config USBHOST_HIDMOUSE
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@ -179,7 +179,7 @@ struct usbhost_state_s
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struct usbhost_class_s usbclass;
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/* The remainder of the fields are provide o the keyboard class driver */
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/* The remainder of the fields are provided to the keyboard class driver */
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char devchar; /* Character identifying the /dev/kbd[n] device */
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volatile bool disconnected; /* TRUE: Device has been disconnected */
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@ -222,6 +222,21 @@ struct usbhost_state_s
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volatile uint16_t headndx; /* Buffer head index */
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volatile uint16_t tailndx; /* Buffer tail index */
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uint8_t kbdbuffer[CONFIG_HIDKBD_BUFSIZE];
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FAR uint8_t *ctrlreq; /* Allocated ctrl request structure */
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size_t ctrllen; /* Size of the allocated control buffer */
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bool caps_lock; /* Private caps lock status */
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bool sync_led; /* For LED update */
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bool empty; /* Keep track of data availability */
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sem_t syncsem; /* Semaphore to wait for a poll thread */
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#ifdef CONFIG_HIDKBD_NOGETREPORT
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struct work_s rwork; /* For interrupt transfer work */
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int16_t nbytes; /* # of bytes actually transferred */
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#endif
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#ifndef CONFIG_HIDKBD_NODEBOUNCE
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uint8_t lastkey[6]; /* For debouncing */
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#endif
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};
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/* This type is used for encoding special characters */
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@ -266,6 +281,20 @@ static inline void usbhost_encodescancode(FAR struct usbhost_state_s *priv,
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#endif
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static int usbhost_kbdpoll(int argc, char *argv[]);
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#ifdef CONFIG_HIDKBD_NOGETREPORT
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static void usbhost_kbd_work(FAR void *arg);
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static void usbhost_kbd_callback(FAR void *arg, ssize_t nbytes);
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#endif
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static int usbhost_extract_keys(FAR struct usbhost_state_s *priv);
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static int usbhost_send_request(FAR struct usbhost_state_s *priv,
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uint8_t dir, uint8_t req, uint16_t value,
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uint16_t index, uint16_t len, uint8_t *data);
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static inline bool usbhost_get_capslock(void);
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static inline void usbhost_toggle_capslock(void);
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/* Helpers for usbhost_connect() */
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static inline int usbhost_cfgdesc(FAR struct usbhost_state_s *priv,
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@ -282,6 +311,11 @@ static inline void usbhost_putle16(uint8_t *dest, uint16_t val);
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static inline int usbhost_tdalloc(FAR struct usbhost_state_s *priv);
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static inline int usbhost_tdfree(FAR struct usbhost_state_s *priv);
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/* Control request memory management */
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static int usbhost_cralloc(FAR struct usbhost_state_s *priv);
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static int usbhost_crfree(FAR struct usbhost_state_s *priv);
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/* struct usbhost_registry_s methods */
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static FAR struct usbhost_class_s *usbhost_create(
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@ -353,10 +387,13 @@ static uint32_t g_devinuse;
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/* The following are used to managed the class creation operation */
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static mutex_t g_lock = NXMUTEX_INITIALIZER;
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static sem_t g_syncsem = SEM_INITIALIZER(0);
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static FAR struct usbhost_state_s *g_priv;
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/* The following tables map keyboard scan codes to printable ASIC
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/* Global caps lock status */
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static bool g_caps_lock = false;
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/* The following tables map keyboard scan codes to printable ASCII
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* characters. There is no support here for function keys or cursor
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* controls.
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*/
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@ -532,7 +569,7 @@ static const uint8_t encoding[USBHID_NUMENCODINGS] =
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0, 0,
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0, 0,
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/* 0xd0-0xd7: Memory Store,Recall,Clear,Add,Subtract,Muliply,Divide,+/- */
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/* 0xd0-0xd7: Memory Store,Recall,Clear,Add,Subtract,Multiply,Divide,+/- */
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KEYCODE_MEMSTORE, KEYCODE_MEMRECALL,
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KEYCODE_MEMCLEAR, KEYCODE_MEMADD,
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@ -578,7 +615,7 @@ static const uint8_t ucmap[USBHID_NUMSCANCODES] =
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'{', '}', '\t', \177, 'A', 'B', 'C', 'D', /* 0xb8-0xbf: {,},tab,backspace,A-D */
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'F', 'F', 0, '^', '%', '<', '>', '&', /* 0xc0-0xc7: E-F,XOR,^,%,<,>,& */
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0, '|', 0, ':', '%', ' ', '@', '!', /* 0xc8-0xcf: &&,|,||,:,#, ,@,! */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0-0xd7: Memory Store,Recall,Clear,Add,Subtract,Muliply,Divide,+/- */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0-0xd7: Memory Store,Recall,Clear,Add,Subtract,Multiply,Divide,+/- */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xd8-0xdf: Clear,ClearEntry,Binary,Octal,Decimal,Hexadecimal */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xe0-0xe7: Left Ctrl,Shift,Alt,GUI, Right Ctrl,Shift,Alt,GUI */
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#endif
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@ -613,7 +650,7 @@ static const uint8_t lcmap[USBHID_NUMSCANCODES] =
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'{', '}', '\t', '\177', 'A', 'B', 'C', 'D', /* 0xb8-0xbf: {,},tab,backspace,A-D */
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'F', 'F', 0, '^', '%', '<', '>', '&', /* 0xc0-0xc7: E-F,XOR,^,%,<,>,& */
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0, '|', 0, ':', '%', ' ', '@', '!', /* 0xc8-0xcf: &&,|,||,:,#, ,@,! */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0-0xd7: Memory Store,Recall,Clear,Add,Subtract,Muliply,Divide,+/- */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0-0xd7: Memory Store,Recall,Clear,Add,Subtract,Multiply,Divide,+/- */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xd8-0xdf: Clear,ClearEntry,Binary,Octal,Decimal,Hexadecimal */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xe0-0xe7: Left Ctrl,Shift,Alt,GUI, Right Ctrl,Shift,Alt,GUI */
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#endif
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@ -781,6 +818,10 @@ static void usbhost_destroy(FAR void *arg)
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usbhost_tdfree(priv);
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/* Free any control request buffers */
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usbhost_crfree(priv);
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/* Destroy the mutex & semaphores */
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nxmutex_destroy(&priv->lock);
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@ -902,6 +943,11 @@ static void usbhost_putstream(FAR struct lib_outstream_s *stream, int ch)
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static inline uint8_t usbhost_mapscancode(uint8_t scancode, uint8_t modifier)
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{
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if (usbhost_get_capslock())
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{
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modifier |= (USBHID_MODIFER_LSHIFT | USBHID_MODIFER_RSHIFT);
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}
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#ifndef CONFIG_HIDKBD_RAWSCANCODES
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/* Range check */
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@ -978,133 +1024,79 @@ static inline void usbhost_encodescancode(FAR struct usbhost_state_s *priv,
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#endif
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/****************************************************************************
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* Name: usbhost_kbdpoll
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* Name: usbhost_get_capslock
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*
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* Description:
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* Periodically check for new keyboard data.
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* Get the global value of caps lock.
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*
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* Input Parameters:
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* arg - A reference to the class instance to be destroyed.
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* None
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*
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* Returned Value:
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* The value of g_caps_lock
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*
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****************************************************************************/
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static inline bool usbhost_get_capslock(void)
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{
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irqstate_t flags;
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bool retval;
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flags = enter_critical_section();
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retval = g_caps_lock;
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leave_critical_section(flags);
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return retval;
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}
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/****************************************************************************
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* Name: usbhost_toggle_capslock
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*
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* Description:
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* Toggle g_caps_lock.
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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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* None
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*
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****************************************************************************/
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static int usbhost_kbdpoll(int argc, char *argv[])
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static inline void usbhost_toggle_capslock(void)
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{
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FAR struct usbhost_state_s *priv;
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FAR struct usbhost_hubport_s *hport;
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FAR struct usb_ctrlreq_s *ctrlreq;
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irqstate_t flags;
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#ifndef CONFIG_HIDKBD_NODEBOUNCE
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uint8_t lastkey[6] =
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{
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0, 0, 0, 0, 0, 0
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};
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#endif
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#if defined(CONFIG_DEBUG_USB) && defined(CONFIG_DEBUG_INFO)
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unsigned int npolls = 0;
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#endif
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unsigned int nerrors = 0;
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useconds_t delay;
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bool empty = true;
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bool newstate;
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int ret;
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flags = enter_critical_section();
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g_caps_lock = !g_caps_lock;
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leave_critical_section(flags);
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}
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uinfo("Started\n");
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/* Synchronize with the start-up logic. Get the private instance, re-start
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* the start-up logic, and wait a bit to make sure that all of the class
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* creation logic has a chance to run to completion.
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/****************************************************************************
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* Name: usbhost_extract_keys
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*
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* NOTE: that the reference count is *not* incremented here. When the
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* driver structure was created, it was created with a reference count of
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* one. This thread is responsible for that count. The count will be
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* decrement when this thread exits.
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*/
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priv = g_priv;
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DEBUGASSERT(priv != NULL && priv->usbclass.hport);
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hport = priv->usbclass.hport;
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priv->polling = true;
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nxsem_post(&g_syncsem);
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nxsig_sleep(1);
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/* Loop here until the device is disconnected */
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uinfo("Entering poll loop\n");
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while (!priv->disconnected)
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{
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/* Make sure that we have exclusive access to the private data
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* structure. There may now be other tasks with the character driver
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* open and actively trying to interact with the class driver.
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*/
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ret = nxmutex_lock(&priv->lock);
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if (ret < 0)
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{
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return ret;
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}
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/* Format the HID report request:
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* Description:
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* Check if the key has a special function encoding and, if it does, add
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* the encoded value to the user buffer.
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*
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* bmRequestType 10100001
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* bRequest GET_REPORT (0x01)
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* wValue Report Type and Report Index
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* wIndex Interface Number
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* wLength Descriptor Length
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* Data Descriptor Data
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*/
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* Input Parameters:
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* priv - Driver internal state
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* scancode - Scan code to be mapped.
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* modifier - Ctrl, Alt, Shift, GUI modifier bits
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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ctrlreq = (struct usb_ctrlreq_s *)priv->tbuffer;
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ctrlreq->type = USB_REQ_DIR_IN | USB_REQ_TYPE_CLASS |
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USB_REQ_RECIPIENT_INTERFACE;
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ctrlreq->req = USBHID_REQUEST_GETREPORT;
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usbhost_putle16(ctrlreq->value, (USBHID_REPORTTYPE_INPUT << 8));
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usbhost_putle16(ctrlreq->index, priv->ifno);
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usbhost_putle16(ctrlreq->len, sizeof(struct usbhid_kbdreport_s));
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/* Send HID report request */
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ret = DRVR_CTRLIN(hport->drvr, hport->ep0, ctrlreq, priv->tbuffer);
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nxmutex_unlock(&priv->lock);
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/* Check for errors -- Bail if an excessive number of consecutive
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* errors are encountered.
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*/
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if (ret < 0)
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{
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nerrors++;
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uerr("ERROR: GETREPORT/INPUT, DRVR_CTRLIN returned: %d/%d\n",
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ret, nerrors);
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if (nerrors > 200)
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{
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uerr(" Too many errors... aborting: %d\n", nerrors);
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break;
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}
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}
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/* The report was received correctly. But ignore the keystrokes if no
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* task has opened the driver.
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*/
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else if (priv->open)
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{
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static int usbhost_extract_keys(FAR struct usbhost_state_s *priv)
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{
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struct usbhid_kbdreport_s *rpt =
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(struct usbhid_kbdreport_s *)priv->tbuffer;
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uint8_t keycode;
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int i;
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/* Success, reset the error counter */
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nerrors = 0;
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int ret;
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bool newstate;
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/* Add the newly received keystrokes to our internal buffer */
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@ -1136,12 +1128,12 @@ static int usbhost_kbdpoll(int argc, char *argv[])
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if (rpt->key[i] != USBHID_KBDUSE_NONE
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#ifndef CONFIG_HIDKBD_NODEBOUNCE
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&& rpt->key[i] != lastkey[0]
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&& rpt->key[i] != lastkey[1]
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&& rpt->key[i] != lastkey[2]
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&& rpt->key[i] != lastkey[3]
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&& rpt->key[i] != lastkey[4]
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&& rpt->key[i] != lastkey[5]
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&& rpt->key[i] != priv->lastkey[0]
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&& rpt->key[i] != priv->lastkey[1]
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&& rpt->key[i] != priv->lastkey[2]
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&& rpt->key[i] != priv->lastkey[3]
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&& rpt->key[i] != priv->lastkey[4]
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&& rpt->key[i] != priv->lastkey[5]
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#endif
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)
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{
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@ -1157,6 +1149,11 @@ static int usbhost_kbdpoll(int argc, char *argv[])
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i, rpt->key[i], keycode ? keycode : ' ',
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rpt->modifier);
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if (rpt->key[i] == 57)
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{
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usbhost_toggle_capslock();
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}
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/* Zero at this point means that the key does not map to a
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* printable character.
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*/
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@ -1199,7 +1196,7 @@ static int usbhost_kbdpoll(int argc, char *argv[])
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*/
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#ifndef CONFIG_HIDKBD_NODEBOUNCE
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lastkey[i] = rpt->key[i];
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priv->lastkey[i] = rpt->key[i];
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#endif
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}
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@ -1213,7 +1210,7 @@ static int usbhost_kbdpoll(int argc, char *argv[])
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* POLLIN event.
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*/
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if (empty)
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if (priv->empty)
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{
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poll_notify(priv->fds, CONFIG_HIDKBD_NPOLLWAITERS, POLLIN);
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}
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@ -1229,10 +1226,276 @@ static int usbhost_kbdpoll(int argc, char *argv[])
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}
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}
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empty = newstate;
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priv->empty = newstate;
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nxmutex_unlock(&priv->lock);
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return 0;
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}
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/****************************************************************************
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* Name: usbhost_kbd_work
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*
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* Description:
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* Handle receipt of an asynchronous notification from the HID device
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*
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* Input Parameters:
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* arg - The argument provided when the asynchronous I/O was setup
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*
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* Returned Value:
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* None
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*
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* Assumptions:
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* Probably called from an interrupt handler.
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*
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****************************************************************************/
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#ifdef CONFIG_HIDKBD_NOGETREPORT
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static void usbhost_kbd_work(FAR void *arg)
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{
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FAR struct usbhost_state_s *priv;
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FAR struct usbhost_hubport_s *hport;
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int ret;
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priv = (FAR struct usbhost_state_s *)arg;
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DEBUGASSERT(priv);
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hport = priv->usbclass.hport;
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DEBUGASSERT(hport);
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/* Are we still connected? */
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if (!priv->disconnected && priv->epin)
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{
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/* Yes.. Was an interrupt IN message received correctly? */
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if (priv->open && priv->nbytes >= 0)
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{
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/* Add the newly received keystrokes to our internal buffer */
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usbhost_extract_keys(priv);
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/* No bytes left to process */
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priv->nbytes = 0;
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}
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/* Is the caps lock status in sync? */
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if (priv->caps_lock != usbhost_get_capslock())
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{
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/* No.. The LED needs to be changed by the polling thread. */
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priv->sync_led = true;
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}
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else
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{
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/* Setup to receive the next report */
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ret = DRVR_ASYNCH(hport->drvr, priv->epin,
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(FAR uint8_t *)priv->tbuffer,
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sizeof(struct usbhid_kbdreport_s),
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usbhost_kbd_callback,
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priv);
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if (ret < 0)
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{
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uerr("ERROR: DRVR_ASYNCH failed: %d\n", ret);
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}
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}
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}
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}
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/****************************************************************************
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* Name: usbhost_kbd_callback
|
||||
*
|
||||
* Description:
|
||||
* Handle receipt of data
|
||||
*
|
||||
* Input Parameters:
|
||||
* arg - The argument provided when the asynchronous I/O was setup
|
||||
* nbytes - The number of bytes actually transferred (or a negated errno
|
||||
* value;
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
* Assumptions:
|
||||
* Probably called from an interrupt handler.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void usbhost_kbd_callback(FAR void *arg, ssize_t nbytes)
|
||||
{
|
||||
FAR struct usbhost_state_s *priv = (FAR struct usbhost_state_s *)arg;
|
||||
|
||||
DEBUGASSERT(priv);
|
||||
|
||||
/* Are we still connected? */
|
||||
|
||||
if (!priv->disconnected)
|
||||
{
|
||||
DEBUGASSERT(nbytes >= INT16_MIN && nbytes <= INT16_MAX);
|
||||
|
||||
/* Save nbytes */
|
||||
|
||||
priv->nbytes = (int16_t)nbytes;
|
||||
|
||||
if (work_available(&priv->rwork))
|
||||
{
|
||||
work_queue(HPWORK, &priv->rwork, usbhost_kbd_work, priv, 0);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: usbhost_kbdpoll
|
||||
*
|
||||
* Description:
|
||||
* Periodically check for new keyboard data.
|
||||
*
|
||||
* Input Parameters:
|
||||
* arg - A reference to the class instance to be destroyed.
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static int usbhost_kbdpoll(int argc, char *argv[])
|
||||
{
|
||||
FAR struct usbhost_state_s *priv;
|
||||
irqstate_t flags;
|
||||
|
||||
#if defined(CONFIG_DEBUG_USB) && defined(CONFIG_DEBUG_INFO)
|
||||
unsigned int npolls = 0;
|
||||
#endif
|
||||
unsigned int nerrors = 0;
|
||||
useconds_t delay;
|
||||
int ret;
|
||||
uint8_t leds;
|
||||
|
||||
uinfo("Started\n");
|
||||
|
||||
/* Synchronize with the start-up logic. Get the private instance, re-start
|
||||
* the start-up logic, and wait a bit to make sure that all of the class
|
||||
* creation logic has a chance to run to completion.
|
||||
*
|
||||
* NOTE: that the reference count is *not* incremented here. When the
|
||||
* driver structure was created, it was created with a reference count of
|
||||
* one. This thread is responsible for that count. The count will be
|
||||
* decrement when this thread exits.
|
||||
*/
|
||||
|
||||
priv = g_priv;
|
||||
DEBUGASSERT(priv != NULL && priv->usbclass.hport);
|
||||
|
||||
priv->polling = true;
|
||||
nxsem_post(&priv->syncsem);
|
||||
nxsig_sleep(1);
|
||||
|
||||
/* Loop here until the device is disconnected */
|
||||
|
||||
uinfo("Entering poll loop\n");
|
||||
|
||||
while (!priv->disconnected)
|
||||
{
|
||||
/* Make sure that we have exclusive access to the private data
|
||||
* structure. There may now be other tasks with the character driver
|
||||
* open and actively trying to interact with the class driver.
|
||||
*/
|
||||
|
||||
ret = nxmutex_lock(&priv->lock);
|
||||
if (ret < 0)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Keep the Caps Lock LED in sync */
|
||||
|
||||
if (priv->sync_led)
|
||||
{
|
||||
priv->sync_led = false;
|
||||
priv->caps_lock = usbhost_get_capslock();
|
||||
|
||||
leds = usbhost_get_capslock() ? USBHID_KBDOUT_CAPSLOCK : 0x00;
|
||||
|
||||
/* Send a report request to change the LED */
|
||||
|
||||
usbhost_send_request(priv, USB_REQ_DIR_OUT,
|
||||
USBHID_REQUEST_SETREPORT,
|
||||
USBHID_REPORTTYPE_OUTPUT << 8, 0, 1,
|
||||
&leds);
|
||||
|
||||
#ifdef CONFIG_HIDKBD_NOGETREPORT
|
||||
/* Setup to receive the next report */
|
||||
|
||||
if (work_available(&priv->rwork))
|
||||
{
|
||||
work_queue(HPWORK, &priv->rwork, usbhost_kbd_work, priv, 0);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef CONFIG_HIDKBD_NOGETREPORT
|
||||
nxmutex_unlock(&priv->lock);
|
||||
#else
|
||||
/* Send HID report request */
|
||||
|
||||
ret = usbhost_send_request(priv, USB_REQ_DIR_IN,
|
||||
USBHID_REQUEST_GETREPORT,
|
||||
USBHID_REPORTTYPE_INPUT << 8,
|
||||
priv->ifno,
|
||||
sizeof(struct usbhid_kbdreport_s),
|
||||
priv->tbuffer);
|
||||
|
||||
nxmutex_unlock(&priv->lock);
|
||||
|
||||
/* Check for errors -- Bail if an excessive number of consecutive
|
||||
* errors are encountered.
|
||||
*/
|
||||
|
||||
if (ret < 0)
|
||||
{
|
||||
nerrors++;
|
||||
uerr("ERROR: GETREPORT/INPUT, DRVR_CTRLIN returned: %d/%d\n",
|
||||
ret, nerrors);
|
||||
|
||||
if (nerrors > 200)
|
||||
{
|
||||
uerr(" Too many errors... aborting: %d\n", nerrors);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* The report was received correctly. But ignore the keystrokes if no
|
||||
* task has opened the driver.
|
||||
*/
|
||||
|
||||
else if (priv->open)
|
||||
{
|
||||
/* Success, reset the error counter */
|
||||
|
||||
nerrors = 0;
|
||||
|
||||
/* Add the newly received keystrokes to our internal buffer */
|
||||
|
||||
ret = usbhost_extract_keys(priv);
|
||||
if (ret < 0)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Make sure the LED is in sync */
|
||||
|
||||
if (priv->caps_lock != usbhost_get_capslock())
|
||||
{
|
||||
priv->sync_led = true;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/* If USB debug is on, then provide some periodic indication that
|
||||
* polling is still happening.
|
||||
*/
|
||||
@ -1305,14 +1568,14 @@ static int usbhost_kbdpoll(int argc, char *argv[])
|
||||
if (priv->crefs < 1)
|
||||
{
|
||||
/* Unregister the driver and destroy the instance (while we hold
|
||||
* the semaphore!)
|
||||
* the mutex!)
|
||||
*/
|
||||
|
||||
usbhost_destroy(priv);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* No, we will destroy the driver instance when it is final open
|
||||
/* No, we will destroy the driver instance when its final open
|
||||
* reference is closed
|
||||
*/
|
||||
|
||||
@ -1612,7 +1875,11 @@ static inline int usbhost_devinit(FAR struct usbhost_state_s *priv)
|
||||
{
|
||||
char devname[DEV_NAMELEN];
|
||||
int ret;
|
||||
|
||||
uint8_t leds;
|
||||
#ifdef CONFIG_HIDKBD_NOGETREPORT
|
||||
FAR struct usbhost_hubport_s *hport;
|
||||
hport = priv->usbclass.hport;
|
||||
#endif
|
||||
/* Set aside a transfer buffer for exclusive
|
||||
* use by the keyboard class driver
|
||||
*/
|
||||
@ -1624,6 +1891,55 @@ static inline int usbhost_devinit(FAR struct usbhost_state_s *priv)
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Allocate memory for control requests */
|
||||
|
||||
ret = usbhost_cralloc(priv);
|
||||
if (ret < 0)
|
||||
{
|
||||
uerr("ERROR: Failed to allocate control buffer\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Set the idle rate */
|
||||
|
||||
usbhost_send_request(priv, USB_REQ_DIR_OUT, USBHID_REQUEST_SETIDLE,
|
||||
25 << 8, priv->ifno, 0, NULL);
|
||||
|
||||
/* Choose the boot protocol */
|
||||
|
||||
usbhost_send_request(priv, USB_REQ_DIR_OUT, USBHID_REQUEST_SETPROTOCOL,
|
||||
0, 0, 0, NULL);
|
||||
|
||||
/* Initialize the Caps Lock LED */
|
||||
|
||||
priv->caps_lock = usbhost_get_capslock();
|
||||
|
||||
leds = usbhost_get_capslock() ? USBHID_KBDOUT_CAPSLOCK : 0x00;
|
||||
usbhost_send_request(priv, USB_REQ_DIR_OUT, USBHID_REQUEST_SETREPORT,
|
||||
USBHID_REPORTTYPE_OUTPUT << 8, 0, 1,
|
||||
&leds);
|
||||
|
||||
#ifdef CONFIG_HIDKBD_NOGETREPORT
|
||||
|
||||
/* Do we have an interrupt IN endpoint? */
|
||||
|
||||
if (priv->epin)
|
||||
{
|
||||
/* Use interrupt tranfers to get reports. */
|
||||
|
||||
uinfo("Start waiting for key reports\n");
|
||||
ret = DRVR_ASYNCH(hport->drvr, priv->epin,
|
||||
(FAR uint8_t *)priv->tbuffer,
|
||||
sizeof(struct usbhid_kbdreport_s),
|
||||
usbhost_kbd_callback,
|
||||
priv);
|
||||
if (ret < 0)
|
||||
{
|
||||
uerr("ERROR: DRVR_ASYNCH failed: %d\n", ret);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Increment the reference count. This will prevent usbhost_destroy() from
|
||||
* being called asynchronously if the device is removed.
|
||||
*/
|
||||
@ -1675,7 +1991,7 @@ static inline int usbhost_devinit(FAR struct usbhost_state_s *priv)
|
||||
|
||||
/* Now wait for the poll task to get properly initialized */
|
||||
|
||||
ret = nxsem_wait_uninterruptible(&g_syncsem);
|
||||
ret = nxsem_wait_uninterruptible(&priv->syncsem);
|
||||
nxmutex_unlock(&g_lock);
|
||||
|
||||
if (ret < 0)
|
||||
@ -1801,6 +2117,132 @@ static int usbhost_tdfree(FAR struct usbhost_state_s *priv)
|
||||
return result;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: usbhost_cralloc
|
||||
*
|
||||
* Description:
|
||||
* Allocate control request buffer memory.
|
||||
*
|
||||
* Input Parameters:
|
||||
* priv - A reference to the class instance.
|
||||
*
|
||||
* Returned Value:
|
||||
* On success, zero (OK) is returned. On failure, an negated errno value
|
||||
* is returned to indicate the nature of the failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static int usbhost_cralloc(FAR struct usbhost_state_s *priv)
|
||||
{
|
||||
FAR struct usbhost_hubport_s *hport;
|
||||
|
||||
DEBUGASSERT(priv != NULL && priv->usbclass.hport != NULL &&
|
||||
priv->tbuffer == NULL);
|
||||
hport = priv->usbclass.hport;
|
||||
|
||||
return DRVR_ALLOC(hport->drvr, &priv->ctrlreq, &priv->ctrllen);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: usbhost_crfree
|
||||
*
|
||||
* Description:
|
||||
* Free control request buffer memory.
|
||||
*
|
||||
* Input Parameters:
|
||||
* priv - A reference to the class instance.
|
||||
*
|
||||
* Returned Value:
|
||||
* On success, zero (OK) is returned. On failure, an negated errno value
|
||||
* is returned to indicate the nature of the failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static int usbhost_crfree(FAR struct usbhost_state_s *priv)
|
||||
{
|
||||
FAR struct usbhost_hubport_s *hport;
|
||||
int result = OK;
|
||||
|
||||
DEBUGASSERT(priv);
|
||||
|
||||
if (priv->ctrlreq)
|
||||
{
|
||||
DEBUGASSERT(priv->usbclass.hport);
|
||||
hport = priv->usbclass.hport;
|
||||
result = DRVR_FREE(hport->drvr, priv->ctrlreq);
|
||||
priv->ctrlreq = NULL;
|
||||
priv->ctrllen = 0;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: usbhost_send_request
|
||||
*
|
||||
* Description:
|
||||
* Send a request.
|
||||
*
|
||||
* Input Parameters:
|
||||
* priv - A reference to the class instance.
|
||||
* dir - USB_REQ_DIR_IN or USB_REQ_DIR_OUT
|
||||
* req - request identifier
|
||||
* value - request value
|
||||
* index - request index
|
||||
* len - request length
|
||||
*
|
||||
* Returned Value:
|
||||
* On success, zero (OK) is returned. On failure, an negated errno value
|
||||
* is returned to indicate the nature of the failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static int usbhost_send_request(FAR struct usbhost_state_s *priv,
|
||||
uint8_t dir,
|
||||
uint8_t req,
|
||||
uint16_t value,
|
||||
uint16_t index,
|
||||
uint16_t len,
|
||||
uint8_t *data)
|
||||
{
|
||||
FAR struct usbhost_hubport_s *hport;
|
||||
int ret = OK;
|
||||
FAR struct usb_ctrlreq_s *ctrlreq;
|
||||
|
||||
DEBUGASSERT(priv);
|
||||
|
||||
hport = priv->usbclass.hport;
|
||||
|
||||
/* Initialize the control request */
|
||||
|
||||
ctrlreq = (FAR struct usb_ctrlreq_s *)priv->ctrlreq;
|
||||
ctrlreq->type = dir | USB_REQ_TYPE_CLASS |
|
||||
USB_REQ_RECIPIENT_INTERFACE;
|
||||
ctrlreq->req = req;
|
||||
|
||||
usbhost_putle16(ctrlreq->value, value);
|
||||
usbhost_putle16(ctrlreq->index, index);
|
||||
usbhost_putle16(ctrlreq->len, len);
|
||||
|
||||
/* And send the request */
|
||||
|
||||
if (dir == USB_REQ_DIR_IN)
|
||||
{
|
||||
ret = DRVR_CTRLIN(hport->drvr, hport->ep0, ctrlreq, data);
|
||||
}
|
||||
else
|
||||
{
|
||||
ret = DRVR_CTRLOUT(hport->drvr, hport->ep0, ctrlreq, data);
|
||||
}
|
||||
|
||||
if (ret < 0)
|
||||
{
|
||||
uerr("ERROR: Control request failed: %d\n", ret);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* struct usbhost_registry_s methods
|
||||
****************************************************************************/
|
||||
@ -1866,6 +2308,9 @@ usbhost_create(FAR struct usbhost_hubport_s *hport,
|
||||
|
||||
nxmutex_init(&priv->lock);
|
||||
nxsem_init(&priv->waitsem, 0, 0);
|
||||
nxsem_init(&priv->syncsem, 0, 0);
|
||||
|
||||
priv->empty = true;
|
||||
|
||||
/* Return the instance of the USB keyboard class driver */
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user