diff options
| author | hathach <[email protected]> | 2018-03-06 17:26:34 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2018-03-06 17:26:34 +0700 |
| commit | 98f12c9833b4867cad46ea80ca2525d26fd6b075 (patch) | |
| tree | f5d12912813755183d9d79ca3191c7238fbced8d /tinyusb/class/cdc/cdc_host.c | |
| parent | 3265f0b770bf83b0766c4b8bbbd48218fdedb00f (diff) | |
move class files
Diffstat (limited to 'tinyusb/class/cdc/cdc_host.c')
| -rw-r--r-- | tinyusb/class/cdc/cdc_host.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/tinyusb/class/cdc/cdc_host.c b/tinyusb/class/cdc/cdc_host.c new file mode 100644 index 000000000..ddacdb1f3 --- /dev/null +++ b/tinyusb/class/cdc/cdc_host.c @@ -0,0 +1,243 @@ +/**************************************************************************/
+/*!
+ @file cdc_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 (MODE_HOST_SUPPORTED && TUSB_CFG_HOST_CDC)
+
+#define _TINY_USB_SOURCE_FILE_
+
+//--------------------------------------------------------------------+
+// INCLUDE
+//--------------------------------------------------------------------+
+#include "common/common.h"
+#include "cdc_host.h"
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF
+//--------------------------------------------------------------------+
+
+//--------------------------------------------------------------------+
+// INTERNAL OBJECT & FUNCTION DECLARATION
+//--------------------------------------------------------------------+
+STATIC_VAR cdch_data_t cdch_data[TUSB_CFG_HOST_DEVICE_MAX]; // TODO to be static
+
+static inline cdc_pipeid_t get_app_pipeid(pipe_handle_t pipe_hdl)
+{
+ cdch_data_t const * p_cdc = &cdch_data[pipe_hdl.dev_addr-1];
+
+ return pipehandle_is_equal( pipe_hdl, p_cdc->pipe_notification ) ? CDC_PIPE_NOTIFICATION :
+ pipehandle_is_equal( pipe_hdl, p_cdc->pipe_in ) ? CDC_PIPE_DATA_IN :
+ pipehandle_is_equal( pipe_hdl, p_cdc->pipe_out ) ? CDC_PIPE_DATA_OUT : CDC_PIPE_ERROR;
+}
+
+
+static inline bool tusbh_cdc_is_mounted(uint8_t dev_addr)
+{
+// FIXME cannot use mounted class flag as at the point _open_sublass is called, the flag is not set yet
+#ifdef _TEST_
+ return (tusbh_device_get_mounted_class_flag(dev_addr) & BIT_(TUSB_CLASS_CDC)) != 0;
+#else
+ return pipehandle_is_valid(cdch_data[dev_addr-1].pipe_in) &&
+ pipehandle_is_valid(cdch_data[dev_addr-1].pipe_out);
+#endif
+}
+
+bool tuh_cdc_is_busy(uint8_t dev_addr, cdc_pipeid_t pipeid)
+{
+ if ( !tusbh_cdc_is_mounted(dev_addr) ) return false;
+
+ cdch_data_t const * p_cdc = &cdch_data[dev_addr-1];
+
+ switch (pipeid)
+ {
+ case CDC_PIPE_NOTIFICATION:
+ return hcd_pipe_is_busy( p_cdc->pipe_notification );
+
+ case CDC_PIPE_DATA_IN:
+ return hcd_pipe_is_busy( p_cdc->pipe_in );
+
+ case CDC_PIPE_DATA_OUT:
+ return hcd_pipe_is_busy( p_cdc->pipe_out );
+
+ default:
+ return false;
+ }
+}
+
+
+//--------------------------------------------------------------------+
+// APPLICATION API (parameter validation needed)
+//--------------------------------------------------------------------+
+bool tuh_cdc_serial_is_mounted(uint8_t dev_addr)
+{
+ // TODO consider all AT Command as serial candidate
+ return tusbh_cdc_is_mounted(dev_addr) &&
+ (CDC_COMM_PROTOCOL_ATCOMMAND <= cdch_data[dev_addr-1].interface_protocol) &&
+ (cdch_data[dev_addr-1].interface_protocol <= CDC_COMM_PROTOCOL_ATCOMMAND_CDMA);
+}
+
+tusb_error_t tuh_cdc_send(uint8_t dev_addr, void const * p_data, uint32_t length, bool is_notify)
+{
+ ASSERT( tusbh_cdc_is_mounted(dev_addr), TUSB_ERROR_CDCH_DEVICE_NOT_MOUNTED);
+ ASSERT( p_data != NULL && length, TUSB_ERROR_INVALID_PARA);
+
+ pipe_handle_t pipe_out = cdch_data[dev_addr-1].pipe_out;
+ if ( hcd_pipe_is_busy(pipe_out) ) return TUSB_ERROR_INTERFACE_IS_BUSY;
+
+ return hcd_pipe_xfer( pipe_out, (void *) p_data, length, is_notify);
+}
+
+tusb_error_t tuh_cdc_receive(uint8_t dev_addr, void * p_buffer, uint32_t length, bool is_notify)
+{
+ ASSERT( tusbh_cdc_is_mounted(dev_addr), TUSB_ERROR_CDCH_DEVICE_NOT_MOUNTED);
+ ASSERT( p_buffer != NULL && length, TUSB_ERROR_INVALID_PARA);
+
+ pipe_handle_t pipe_in = cdch_data[dev_addr-1].pipe_in;
+ if ( hcd_pipe_is_busy(pipe_in) ) return TUSB_ERROR_INTERFACE_IS_BUSY;
+
+ return hcd_pipe_xfer( pipe_in, p_buffer, length, is_notify);
+}
+
+//--------------------------------------------------------------------+
+// USBH-CLASS DRIVER API
+//--------------------------------------------------------------------+
+void cdch_init(void)
+{
+ memclr_(cdch_data, sizeof(cdch_data_t)*TUSB_CFG_HOST_DEVICE_MAX);
+}
+
+tusb_error_t cdch_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t const *p_interface_desc, uint16_t *p_length)
+{
+ OSAL_SUBTASK_BEGIN
+ // TODO change following assert to subtask_assert
+
+ if ( CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL != p_interface_desc->bInterfaceSubClass) return TUSB_ERROR_CDC_UNSUPPORTED_SUBCLASS;
+
+ if ( !(is_in_range(CDC_COMM_PROTOCOL_ATCOMMAND, p_interface_desc->bInterfaceProtocol, CDC_COMM_PROTOCOL_ATCOMMAND_CDMA) ||
+ 0xff == p_interface_desc->bInterfaceProtocol) )
+ {
+ return TUSB_ERROR_CDC_UNSUPPORTED_PROTOCOL;
+ }
+
+ uint8_t const * p_desc;
+ cdch_data_t * p_cdc;
+
+ p_desc = descriptor_next ( (uint8_t const *) p_interface_desc );
+ p_cdc = &cdch_data[dev_addr-1]; // non-static variable cannot be used after OS service call
+
+ p_cdc->interface_number = p_interface_desc->bInterfaceNumber;
+ p_cdc->interface_protocol = p_interface_desc->bInterfaceProtocol; // TODO 0xff is consider as rndis candidate, other is virtual Com
+
+ //------------- Communication Interface -------------//
+ (*p_length) = sizeof(tusb_descriptor_interface_t);
+
+ while( TUSB_DESC_TYPE_INTERFACE_CLASS_SPECIFIC == p_desc[DESCRIPTOR_OFFSET_TYPE] )
+ { // Communication Functional Descriptors
+ if ( CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT == cdc_functional_desc_typeof(p_desc) )
+ { // save ACM bmCapabilities
+ p_cdc->acm_capability = ((cdc_desc_func_abstract_control_management_t const *) p_desc)->bmCapabilities;
+ }
+
+ (*p_length) += p_desc[DESCRIPTOR_OFFSET_LENGTH];
+ p_desc = descriptor_next(p_desc);
+ }
+
+ if ( TUSB_DESC_TYPE_ENDPOINT == p_desc[DESCRIPTOR_OFFSET_TYPE])
+ { // notification endpoint if any
+ p_cdc->pipe_notification = hcd_pipe_open(dev_addr, (tusb_descriptor_endpoint_t const *) p_desc, TUSB_CLASS_CDC);
+
+ (*p_length) += p_desc[DESCRIPTOR_OFFSET_LENGTH];
+ p_desc = descriptor_next(p_desc);
+
+ ASSERT(pipehandle_is_valid(p_cdc->pipe_notification), TUSB_ERROR_HCD_OPEN_PIPE_FAILED);
+ }
+
+ //------------- Data Interface (if any) -------------//
+ if ( (TUSB_DESC_TYPE_INTERFACE == p_desc[DESCRIPTOR_OFFSET_TYPE]) &&
+ (TUSB_CLASS_CDC_DATA == ((tusb_descriptor_interface_t const *) p_desc)->bInterfaceClass) )
+ {
+ (*p_length) += p_desc[DESCRIPTOR_OFFSET_LENGTH];
+ p_desc = descriptor_next(p_desc);
+
+ // data endpoints expected to be in pairs
+ for(uint32_t i=0; i<2; i++)
+ {
+ tusb_descriptor_endpoint_t const *p_endpoint = (tusb_descriptor_endpoint_t const *) p_desc;
+ ASSERT_INT(TUSB_DESC_TYPE_ENDPOINT, p_endpoint->bDescriptorType, TUSB_ERROR_USBH_DESCRIPTOR_CORRUPTED);
+ ASSERT_INT(TUSB_XFER_BULK, p_endpoint->bmAttributes.xfer, TUSB_ERROR_USBH_DESCRIPTOR_CORRUPTED);
+
+ pipe_handle_t * p_pipe_hdl = ( p_endpoint->bEndpointAddress & TUSB_DIR_DEV_TO_HOST_MASK ) ?
+ &p_cdc->pipe_in : &p_cdc->pipe_out;
+
+ (*p_pipe_hdl) = hcd_pipe_open(dev_addr, p_endpoint, TUSB_CLASS_CDC);
+ ASSERT ( pipehandle_is_valid(*p_pipe_hdl), TUSB_ERROR_HCD_OPEN_PIPE_FAILED );
+
+ (*p_length) += p_desc[DESCRIPTOR_OFFSET_LENGTH];
+ p_desc = descriptor_next( p_desc );
+ }
+ }
+
+ {
+ // FIXME mounted class flag is not set yet
+ tuh_cdc_mounted_cb(dev_addr);
+ }
+
+ OSAL_SUBTASK_END
+}
+
+void cdch_isr(pipe_handle_t pipe_hdl, tusb_event_t event, uint32_t xferred_bytes)
+{
+ tuh_cdc_xfer_isr( pipe_hdl.dev_addr, event, get_app_pipeid(pipe_hdl), xferred_bytes );
+}
+
+void cdch_close(uint8_t dev_addr)
+{
+ cdch_data_t * p_cdc = &cdch_data[dev_addr-1];
+
+ (void) hcd_pipe_close(p_cdc->pipe_notification);
+ (void) hcd_pipe_close(p_cdc->pipe_in);
+ (void) hcd_pipe_close(p_cdc->pipe_out);
+
+ memclr_(p_cdc, sizeof(cdch_data_t));
+
+ tuh_cdc_unmounted_cb(dev_addr);
+
+}
+
+#endif
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