diff options
Diffstat (limited to 'tinyusb/class/cdc/cdc_device.c')
| -rw-r--r-- | tinyusb/class/cdc/cdc_device.c | 302 |
1 files changed, 0 insertions, 302 deletions
diff --git a/tinyusb/class/cdc/cdc_device.c b/tinyusb/class/cdc/cdc_device.c deleted file mode 100644 index 90e1924b4..000000000 --- a/tinyusb/class/cdc/cdc_device.c +++ /dev/null @@ -1,302 +0,0 @@ -/**************************************************************************/
-/*!
- @file cdc_device.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_DEVICE_SUPPORTED && CFG_TUD_CDC)
-
-#define _TINY_USB_SOURCE_FILE_
-//--------------------------------------------------------------------+
-// INCLUDE
-//--------------------------------------------------------------------+
-#include "common/tusb_common.h"
-#include "cdc_device.h"
-#include "device/usbd_pvt.h"
-
-//--------------------------------------------------------------------+
-// MACRO CONSTANT TYPEDEF
-//--------------------------------------------------------------------+
-CFG_TUSB_ATTR_USBRAM STATIC_VAR cdc_line_coding_t cdcd_line_coding[CONTROLLER_DEVICE_NUMBER];
-
-typedef struct {
- uint8_t itf_num;
- uint8_t ep_notif;
- uint8_t ep_in;
- uint8_t ep_out;
-
- cdc_acm_capability_t acm_cap;
-
- // Bit 0: DTR (Data Terminal Ready), Bit 1: RTS (Request to Send)
- uint8_t line_state;
-}cdcd_interface_t;
-
-// TODO multiple rhport
-CFG_TUSB_ATTR_USBRAM CFG_TUSB_MEM_ALIGN uint8_t _tmp_rx_buf[64];
-CFG_TUSB_ATTR_USBRAM CFG_TUSB_MEM_ALIGN uint8_t _tmp_tx_buf[64];
-
-FIFO_DEF(_rx_ff, CFG_TUD_CDC_BUFSIZE, uint8_t, true);
-FIFO_DEF(_tx_ff, CFG_TUD_CDC_BUFSIZE, uint8_t, false);
-
-//--------------------------------------------------------------------+
-// INTERNAL OBJECT & FUNCTION DECLARATION
-//--------------------------------------------------------------------+
-STATIC_VAR cdcd_interface_t _cdcd_itf[CONTROLLER_DEVICE_NUMBER];
-
-//--------------------------------------------------------------------+
-// APPLICATION API
-//--------------------------------------------------------------------+
-bool tud_n_cdc_connected(uint8_t rhport)
-{
- // DTR (bit 0) active isconsidered as connected
- return BIT_TEST_(_cdcd_itf[rhport].line_state, 0);
-}
-
-uint8_t tud_n_cdc_get_line_state (uint8_t rhport)
-{
- return _cdcd_itf[rhport].line_state;
-}
-
-void tud_n_cdc_get_line_coding (uint8_t rhport, cdc_line_coding_t* coding)
-{
- (*coding) = cdcd_line_coding[rhport];
-}
-
-
-//--------------------------------------------------------------------+
-// READ API
-//--------------------------------------------------------------------+
-uint32_t tud_n_cdc_available(uint8_t rhport)
-{
- return fifo_count(&_rx_ff);
-}
-
-int8_t tud_n_cdc_read_char(uint8_t rhport)
-{
- int8_t ch;
- return fifo_read(&_rx_ff, &ch) ? ch : (-1);
-}
-
-uint32_t tud_n_cdc_read(uint8_t rhport, void* buffer, uint32_t bufsize)
-{
- return fifo_read_n(&_rx_ff, buffer, bufsize);
-}
-
-//--------------------------------------------------------------------+
-// WRITE API
-//--------------------------------------------------------------------+
-
-uint32_t tud_n_cdc_write_char(uint8_t rhport, char ch)
-{
- return fifo_write(&_tx_ff, &ch) ? 1 : 0;
-}
-
-uint32_t tud_n_cdc_write(uint8_t rhport, void const* buffer, uint32_t bufsize)
-{
- return fifo_write_n(&_tx_ff, buffer, bufsize);
-}
-
-bool tud_n_cdc_flush (uint8_t rhport)
-{
- uint8_t edpt = _cdcd_itf[rhport].ep_in;
- VERIFY( !dcd_edpt_busy(rhport, edpt) ); // skip if previous transfer not complete
-
- uint16_t count = fifo_read_n(&_tx_ff, _tmp_tx_buf, sizeof(_tmp_tx_buf));
-
- VERIFY( tud_n_cdc_connected(rhport) ); // fifo is empty if not connected
-
- if ( count ) TU_ASSERT( dcd_edpt_xfer(rhport, edpt, _tmp_tx_buf, count) );
-
- return true;
-}
-
-
-//--------------------------------------------------------------------+
-// USBD Driver API
-//--------------------------------------------------------------------+
-void cdcd_init(void)
-{
- memclr_(_cdcd_itf, sizeof(cdcd_interface_t)*CONTROLLER_DEVICE_NUMBER);
-
- // default line coding is : stop bit = 1, parity = none, data bits = 8
- memclr_(cdcd_line_coding, sizeof(cdc_line_coding_t)*CONTROLLER_DEVICE_NUMBER);
- for(uint8_t i=0; i<CONTROLLER_DEVICE_NUMBER; i++)
- {
- cdcd_line_coding[i].bit_rate = 115200;
- cdcd_line_coding[i].stop_bits = 0;
- cdcd_line_coding[i].parity = 0;
- cdcd_line_coding[i].data_bits = 8;
- }
-}
-
-tusb_error_t cdcd_open(uint8_t rhport, tusb_desc_interface_t const * p_interface_desc, uint16_t *p_length)
-{
- 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 = descriptor_next ( (uint8_t const *) p_interface_desc );
- cdcd_interface_t * p_cdc = &_cdcd_itf[rhport];
-
- //------------- Communication Interface -------------//
- (*p_length) = sizeof(tusb_desc_interface_t);
-
- // Communication Functional Descriptors
- while( TUSB_DESC_CLASS_SPECIFIC == p_desc[DESCRIPTOR_OFFSET_TYPE] )
- {
- if ( CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT == cdc_functional_desc_typeof(p_desc) )
- { // save ACM bmCapabilities
- p_cdc->acm_cap = ((cdc_desc_func_acm_t const *) p_desc)->bmCapabilities;
- }
-
- (*p_length) += p_desc[DESCRIPTOR_OFFSET_LENGTH];
- p_desc = descriptor_next(p_desc);
- }
-
- if ( TUSB_DESC_ENDPOINT == p_desc[DESCRIPTOR_OFFSET_TYPE])
- { // notification endpoint if any
- TU_ASSERT( dcd_edpt_open(rhport, (tusb_desc_endpoint_t const *) p_desc), TUSB_ERROR_DCD_OPEN_PIPE_FAILED);
-
- p_cdc->ep_notif = ((tusb_desc_endpoint_t const *) p_desc)->bEndpointAddress;
-
- (*p_length) += p_desc[DESCRIPTOR_OFFSET_LENGTH];
- p_desc = descriptor_next(p_desc);
- }
-
- //------------- Data Interface (if any) -------------//
- if ( (TUSB_DESC_INTERFACE == p_desc[DESCRIPTOR_OFFSET_TYPE]) &&
- (TUSB_CLASS_CDC_DATA == ((tusb_desc_interface_t const *) p_desc)->bInterfaceClass) )
- {
- (*p_length) += p_desc[DESCRIPTOR_OFFSET_LENGTH];
- p_desc = descriptor_next(p_desc);
-
- // Open endpoint pair with usbd helper
- tusb_desc_endpoint_t const *p_desc_ep = (tusb_desc_endpoint_t const *) p_desc;
- TU_ASSERT_ERR( usbd_open_edpt_pair(rhport, p_desc_ep, TUSB_XFER_BULK, &p_cdc->ep_out, &p_cdc->ep_in) );
-
- (*p_length) += 2*sizeof(tusb_desc_endpoint_t);
- }
-
- p_cdc->itf_num = p_interface_desc->bInterfaceNumber;
-
- // Prepare for incoming data
- TU_ASSERT( dcd_edpt_xfer(rhport, p_cdc->ep_out, _tmp_rx_buf, sizeof(_tmp_rx_buf)), TUSB_ERROR_DCD_EDPT_XFER);
-
- return TUSB_ERROR_NONE;
-}
-
-void cdcd_close(uint8_t rhport)
-{
- // no need to close opened pipe, dcd bus reset will put controller's endpoints to default state
- memclr_(&_cdcd_itf[rhport], sizeof(cdcd_interface_t));
-
- fifo_clear(&_rx_ff);
- fifo_clear(&_tx_ff);
-}
-
-tusb_error_t cdcd_control_request_st(uint8_t rhport, tusb_control_request_t const * p_request)
-{
- OSAL_SUBTASK_BEGIN
-
- //------------- Class Specific Request -------------//
- if (p_request->bmRequestType_bit.type != TUSB_REQ_TYPE_CLASS) return TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT;
-
- if ( (CDC_REQUEST_GET_LINE_CODING == p_request->bRequest) || (CDC_REQUEST_SET_LINE_CODING == p_request->bRequest) )
- {
- uint16_t len = min16_of(sizeof(cdc_line_coding_t), p_request->wLength);
- usbd_control_xfer_st(rhport, p_request->bmRequestType_bit.direction, (uint8_t*) &cdcd_line_coding[rhport], len);
-
- // Invoke callback
- if (CDC_REQUEST_SET_LINE_CODING == p_request->bRequest)
- {
- if ( tud_cdc_line_coding_cb ) tud_cdc_line_coding_cb(rhport, &cdcd_line_coding[rhport]);
- }
- }
- else if (CDC_REQUEST_SET_CONTROL_LINE_STATE == p_request->bRequest )
- {
- // CDC PSTN v1.2 section 6.3.12
- // Bit 0: Indicates if DTE is present or not.
- // This signal corresponds to V.24 signal 108/2 and RS-232 signal DTR (Data Terminal Ready)
- // Bit 1: Carrier control for half-duplex modems.
- // This signal corresponds to V.24 signal 105 and RS-232 signal RTS (Request to Send)
- cdcd_interface_t * p_cdc = &_cdcd_itf[rhport];
-
- p_cdc->line_state = (uint8_t) p_request->wValue;
-
- dcd_control_status(rhport, p_request->bmRequestType_bit.direction); // ACK control request
-
- // Invoke callback
- if ( tud_cdc_line_state_cb) tud_cdc_line_state_cb(rhport, BIT_TEST_(p_request->wValue, 0), BIT_TEST_(p_request->wValue, 1));
- }
- else
- {
- dcd_control_stall(rhport); // stall unsupported request
- }
-
- OSAL_SUBTASK_END
-}
-
-tusb_error_t cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, tusb_event_t event, uint32_t xferred_bytes)
-{
- cdcd_interface_t const * p_cdc = &_cdcd_itf[rhport];
-
- if ( ep_addr == p_cdc->ep_out )
- {
- fifo_write_n(&_rx_ff, _tmp_rx_buf, xferred_bytes);
-
- // preparing for next
- TU_ASSERT( dcd_edpt_xfer(rhport, p_cdc->ep_out, _tmp_rx_buf, sizeof(_tmp_rx_buf)), TUSB_ERROR_DCD_EDPT_XFER );
-
- // fire callback
- if (tud_cdc_rx_cb) tud_cdc_rx_cb(rhport);
- }
-
- return TUSB_ERROR_NONE;
-}
-
-#if CFG_TUD_CDC_FLUSH_ON_SOF
-void cdcd_sof(uint8_t rhport)
-{
- tud_n_cdc_flush(rhport);
-}
-#endif
-
-#endif
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