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Diffstat (limited to 'src/class/hid/hid_host.c')
| -rw-r--r-- | src/class/hid/hid_host.c | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/src/class/hid/hid_host.c b/src/class/hid/hid_host.c new file mode 100644 index 000000000..1e44055ec --- /dev/null +++ b/src/class/hid/hid_host.c @@ -0,0 +1,305 @@ +/**************************************************************************/
+/*!
+ @file hid_host.c
+ @author hathach (tinyusb.org)
+
+ @section LICENSE
+
+ Software License Agreement (BSD License)
+
+ Copyright (c) 2013, hathach (tinyusb.org)
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ 3. Neither the name of the copyright holders nor the
+ names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+ EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ This file is part of the tinyusb stack.
+*/
+/**************************************************************************/
+
+#include "tusb_option.h"
+
+#if (TUSB_OPT_HOST_ENABLED && HOST_CLASS_HID)
+
+#define _TINY_USB_SOURCE_FILE_
+//--------------------------------------------------------------------+
+// INCLUDE
+//--------------------------------------------------------------------+
+#include "common/tusb_common.h"
+#include "hid_host.h"
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF
+//--------------------------------------------------------------------+
+
+//--------------------------------------------------------------------+
+// HID Interface common functions
+//--------------------------------------------------------------------+
+static inline bool hidh_interface_open(uint8_t dev_addr, uint8_t interface_number, tusb_desc_endpoint_t const *p_endpoint_desc, hidh_interface_info_t *p_hid)
+{
+ p_hid->pipe_hdl = hcd_edpt_open(dev_addr, p_endpoint_desc, TUSB_CLASS_HID);
+ p_hid->report_size = p_endpoint_desc->wMaxPacketSize.size; // TODO get size from report descriptor
+ p_hid->interface_number = interface_number;
+
+ TU_ASSERT (pipehandle_is_valid(p_hid->pipe_hdl));
+
+ return true;
+}
+
+static inline void hidh_interface_close(hidh_interface_info_t *p_hid)
+{
+ tu_memclr(p_hid, sizeof(hidh_interface_info_t));
+}
+
+// called from public API need to validate parameters
+tusb_error_t hidh_interface_get_report(uint8_t dev_addr, void * report, hidh_interface_info_t *p_hid)
+{
+ //------------- parameters validation -------------//
+ // TODO change to use is configured function
+ TU_ASSERT (TUSB_DEVICE_STATE_CONFIGURED == tuh_device_get_state(dev_addr), TUSB_ERROR_DEVICE_NOT_READY);
+ TU_VERIFY (report, TUSB_ERROR_INVALID_PARA);
+ TU_ASSERT (!hcd_edpt_busy(p_hid->pipe_hdl), TUSB_ERROR_INTERFACE_IS_BUSY);
+
+ TU_ASSERT_ERR( hcd_pipe_xfer(p_hid->pipe_hdl, report, p_hid->report_size, true) ) ;
+
+ return TUSB_ERROR_NONE;
+}
+
+//--------------------------------------------------------------------+
+// KEYBOARD
+//--------------------------------------------------------------------+
+#if CFG_TUH_HID_KEYBOARD
+
+#if 0
+#define EXPAND_KEYCODE_TO_ASCII(keycode, ascii, shift_modified) \
+ [0][keycode] = ascii,\
+ [1][keycode] = shift_modified,\
+
+// TODO size of table should be a macro for application to check boundary
+uint8_t const hid_keycode_to_ascii_tbl[2][128] =
+{
+ HID_KEYCODE_TABLE(EXPAND_KEYCODE_TO_ASCII)
+};
+#endif
+
+static hidh_interface_info_t keyboardh_data[CFG_TUSB_HOST_DEVICE_MAX]; // does not have addr0, index = dev_address-1
+
+//------------- KEYBOARD PUBLIC API (parameter validation required) -------------//
+bool tuh_hid_keyboard_is_mounted(uint8_t dev_addr)
+{
+ return tuh_device_is_configured(dev_addr) && pipehandle_is_valid(keyboardh_data[dev_addr-1].pipe_hdl);
+}
+
+tusb_error_t tuh_hid_keyboard_get_report(uint8_t dev_addr, void* p_report)
+{
+ return hidh_interface_get_report(dev_addr, p_report, &keyboardh_data[dev_addr-1]);
+}
+
+bool tuh_hid_keyboard_is_busy(uint8_t dev_addr)
+{
+ return tuh_hid_keyboard_is_mounted(dev_addr) &&
+ hcd_edpt_busy( keyboardh_data[dev_addr-1].pipe_hdl );
+}
+
+#endif
+
+//--------------------------------------------------------------------+
+// MOUSE
+//--------------------------------------------------------------------+
+#if CFG_TUH_HID_MOUSE
+
+STATIC_VAR hidh_interface_info_t mouseh_data[CFG_TUSB_HOST_DEVICE_MAX]; // does not have addr0, index = dev_address-1
+
+//------------- Public API -------------//
+bool tuh_hid_mouse_is_mounted(uint8_t dev_addr)
+{
+ return tuh_device_is_configured(dev_addr) && pipehandle_is_valid(mouseh_data[dev_addr-1].pipe_hdl);
+}
+
+bool tuh_hid_mouse_is_busy(uint8_t dev_addr)
+{
+ return tuh_hid_mouse_is_mounted(dev_addr) &&
+ hcd_edpt_busy( mouseh_data[dev_addr-1].pipe_hdl );
+}
+
+tusb_error_t tuh_hid_mouse_get_report(uint8_t dev_addr, void * report)
+{
+ return hidh_interface_get_report(dev_addr, report, &mouseh_data[dev_addr-1]);
+}
+
+#endif
+
+//--------------------------------------------------------------------+
+// GENERIC
+//--------------------------------------------------------------------+
+#if CFG_TUSB_HOST_HID_GENERIC
+
+//STATIC_ struct {
+// hidh_interface_info_t
+//} generic_data[CFG_TUSB_HOST_DEVICE_MAX];
+
+#endif
+
+//--------------------------------------------------------------------+
+// CLASS-USBH API (don't require to verify parameters)
+//--------------------------------------------------------------------+
+void hidh_init(void)
+{
+#if CFG_TUH_HID_KEYBOARD
+ tu_memclr(&keyboardh_data, sizeof(hidh_interface_info_t)*CFG_TUSB_HOST_DEVICE_MAX);
+#endif
+
+#if CFG_TUH_HID_MOUSE
+ tu_memclr(&mouseh_data, sizeof(hidh_interface_info_t)*CFG_TUSB_HOST_DEVICE_MAX);
+#endif
+
+#if CFG_TUSB_HOST_HID_GENERIC
+ hidh_generic_init();
+#endif
+}
+
+#if 0
+CFG_TUSB_MEM_SECTION uint8_t report_descriptor[256];
+#endif
+
+bool hidh_open_subtask(uint8_t dev_addr, tusb_desc_interface_t const *p_interface_desc, uint16_t *p_length)
+{
+ uint8_t const *p_desc = (uint8_t const *) p_interface_desc;
+
+ //------------- HID descriptor -------------//
+ p_desc += p_desc[DESC_OFFSET_LEN];
+ tusb_hid_descriptor_hid_t const *p_desc_hid = (tusb_hid_descriptor_hid_t const *) p_desc;
+ TU_ASSERT(HID_DESC_TYPE_HID == p_desc_hid->bDescriptorType, TUSB_ERROR_INVALID_PARA);
+
+ //------------- Endpoint Descriptor -------------//
+ p_desc += p_desc[DESC_OFFSET_LEN];
+ tusb_desc_endpoint_t const * p_endpoint_desc = (tusb_desc_endpoint_t const *) p_desc;
+ TU_ASSERT(TUSB_DESC_ENDPOINT == p_endpoint_desc->bDescriptorType, TUSB_ERROR_INVALID_PARA);
+
+ //------------- SET IDLE (0) request -------------//
+ tusb_control_request_t request = {
+ .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_INTERFACE, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_OUT },
+ .bRequest = HID_REQ_CONTROL_SET_IDLE,
+ .wValue = 0, // idle_rate = 0
+ .wIndex = p_interface_desc->bInterfaceNumber,
+ .wLength = 0
+ };
+ TU_ASSERT( usbh_control_xfer( dev_addr, &request, NULL ) );
+
+#if 0
+ //------------- Get Report Descriptor TODO HID parser -------------//
+ if ( p_desc_hid->bNumDescriptors )
+ {
+ STASK_INVOKE(
+ usbh_control_xfer_subtask( dev_addr, bm_request_type(TUSB_DIR_IN, TUSB_REQ_TYPE_STANDARD, TUSB_REQ_RCPT_INTERFACE),
+ TUSB_REQ_GET_DESCRIPTOR, (p_desc_hid->bReportType << 8), 0,
+ p_desc_hid->wReportLength, report_descriptor ),
+ error
+ );
+ (void) error; // if error in getting report descriptor --> treating like there is none
+ }
+#endif
+
+ if ( HID_SUBCLASS_BOOT == p_interface_desc->bInterfaceSubClass )
+ {
+ #if CFG_TUH_HID_KEYBOARD
+ if ( HID_PROTOCOL_KEYBOARD == p_interface_desc->bInterfaceProtocol)
+ {
+ TU_ASSERT( hidh_interface_open(dev_addr, p_interface_desc->bInterfaceNumber, p_endpoint_desc, &keyboardh_data[dev_addr-1]) );
+ tuh_hid_keyboard_mounted_cb(dev_addr);
+ } else
+ #endif
+
+ #if CFG_TUH_HID_MOUSE
+ if ( HID_PROTOCOL_MOUSE == p_interface_desc->bInterfaceProtocol)
+ {
+ TU_ASSERT ( hidh_interface_open(dev_addr, p_interface_desc->bInterfaceNumber, p_endpoint_desc, &mouseh_data[dev_addr-1]) );
+ tuh_hid_mouse_mounted_cb(dev_addr);
+ } else
+ #endif
+
+ {
+ // TUSB_ERROR_HIDH_NOT_SUPPORTED_PROTOCOL
+ return false;
+ }
+ }else
+ {
+ // TUSB_ERROR_HIDH_NOT_SUPPORTED_SUBCLASS
+ return false;
+ }
+
+ *p_length = sizeof(tusb_desc_interface_t) + sizeof(tusb_hid_descriptor_hid_t) + sizeof(tusb_desc_endpoint_t);
+
+ return true;
+}
+
+void hidh_isr(pipe_handle_t pipe_hdl, xfer_result_t event, uint32_t xferred_bytes)
+{
+ (void) xferred_bytes; // TODO may need to use this para later
+
+#if CFG_TUH_HID_KEYBOARD
+ if ( pipehandle_is_equal(pipe_hdl, keyboardh_data[pipe_hdl.dev_addr-1].pipe_hdl) )
+ {
+ tuh_hid_keyboard_isr(pipe_hdl.dev_addr, event);
+ return;
+ }
+#endif
+
+#if CFG_TUH_HID_MOUSE
+ if ( pipehandle_is_equal(pipe_hdl, mouseh_data[pipe_hdl.dev_addr-1].pipe_hdl) )
+ {
+ tuh_hid_mouse_isr(pipe_hdl.dev_addr, event);
+ return;
+ }
+#endif
+
+#if CFG_TUSB_HOST_HID_GENERIC
+
+#endif
+}
+
+void hidh_close(uint8_t dev_addr)
+{
+#if CFG_TUH_HID_KEYBOARD
+ if ( pipehandle_is_valid( keyboardh_data[dev_addr-1].pipe_hdl ) )
+ {
+ hidh_interface_close(&keyboardh_data[dev_addr-1]);
+ tuh_hid_keyboard_unmounted_cb(dev_addr);
+ }
+#endif
+
+#if CFG_TUH_HID_MOUSE
+ if( pipehandle_is_valid( mouseh_data[dev_addr-1].pipe_hdl ) )
+ {
+ hidh_interface_close(&mouseh_data[dev_addr-1]);
+ tuh_hid_mouse_unmounted_cb( dev_addr );
+ }
+#endif
+
+#if CFG_TUSB_HOST_HID_GENERIC
+ hidh_generic_close(dev_addr);
+#endif
+}
+
+
+
+#endif
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