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authorhathach <[email protected]>2018-11-20 11:06:16 +0700
committerGitHub <[email protected]>2018-11-20 11:06:16 +0700
commitaa71b8fd874901347dedf4046a74d686907cf147 (patch)
treebcc958c04628507c72879ead57766d0bc732d588 /src/device/control.c
parent5757918df4a3cc4561775db61d9f720df8b23c31 (diff)
parent5e65886fdd2bc5bac4ee9335fff1726f9382c109 (diff)
Merge pull request #10 from hathach/devlocal
merge for local develop
Diffstat (limited to 'src/device/control.c')
-rw-r--r--src/device/control.c264
1 files changed, 0 insertions, 264 deletions
diff --git a/src/device/control.c b/src/device/control.c
deleted file mode 100644
index 26dd8fb35..000000000
--- a/src/device/control.c
+++ /dev/null
@@ -1,264 +0,0 @@
-/**************************************************************************/
-/*!
- @file usbd.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_DEVICE_ENABLED
-
-#define _TINY_USB_SOURCE_FILE_
-
-#include "tusb.h"
-#include "control.h"
-#include "device/usbd_pvt.h"
-
-control_t control_state;
-
-CFG_TUSB_ATTR_USBRAM CFG_TUSB_MEM_ALIGN uint8_t _shared_control_buffer[64];
-
-void controld_reset(uint8_t rhport) {
- control_state.current_stage = CONTROL_STAGE_SETUP;
-}
-
-void controld_init(void) {
-}
-
-// Helper to send STATUS (zero length) packet
-// Note dir is value of direction bit in setup packet (i.e DATA stage direction)
-static inline bool dcd_control_status(uint8_t rhport, uint8_t dir)
-{
- uint8_t ep_addr = 0;
- // Invert the direction.
- if (dir == TUSB_DIR_OUT) {
- ep_addr |= TUSB_DIR_IN_MASK;
- }
- // status direction is reversed to one in the setup packet
- return dcd_edpt_xfer(rhport, ep_addr, NULL, 0);
-}
-
-static inline void dcd_control_stall(uint8_t rhport)
-{
- dcd_edpt_stall(rhport, 0 | TUSB_DIR_IN_MASK);
-}
-
-
-// return len of descriptor and change pointer to descriptor's buffer
-static uint16_t get_descriptor(uint8_t rhport, tusb_control_request_t const * const p_request, uint8_t const ** pp_buffer)
-{
- (void) rhport;
-
- tusb_desc_type_t const desc_type = (tusb_desc_type_t) tu_u16_high(p_request->wValue);
- uint8_t const desc_index = tu_u16_low( p_request->wValue );
-
- uint8_t const * desc_data = NULL ;
- uint16_t len = 0;
-
- switch(desc_type)
- {
- case TUSB_DESC_DEVICE:
- desc_data = (uint8_t const *) usbd_desc_set->device;
- len = sizeof(tusb_desc_device_t);
- break;
-
- case TUSB_DESC_CONFIGURATION:
- desc_data = (uint8_t const *) usbd_desc_set->config;
- len = ((tusb_desc_configuration_t const*) desc_data)->wTotalLength;
- break;
-
- case TUSB_DESC_STRING:
- // String Descriptor always uses the desc set from user
- if ( desc_index < tud_desc_set.string_count )
- {
- desc_data = tud_desc_set.string_arr[desc_index];
- TU_VERIFY( desc_data != NULL, 0 );
-
- len = desc_data[0]; // first byte of descriptor is its size
- }else
- {
- // out of range
- /* The 0xee string is indeed a Microsoft USB extension.
- * It can be used to tell Windows what driver it should use for the device !!!
- */
- return 0;
- }
- break;
-
- case TUSB_DESC_DEVICE_QUALIFIER:
- // TODO If not highspeed capable stall this request otherwise
- // return the descriptor that could work in highspeed
- return 0;
- break;
-
- default: return 0;
- }
-
- TU_ASSERT( desc_data != NULL, 0);
-
- // up to Host's length
- len = tu_min16(p_request->wLength, len );
- (*pp_buffer) = desc_data;
-
- return len;
-}
-
-tusb_error_t controld_xfer_cb(uint8_t rhport, uint8_t edpt_addr, tusb_event_t event, uint32_t xferred_bytes) {
- if (control_state.current_stage == CONTROL_STAGE_STATUS && xferred_bytes == 0) {
- control_state.current_stage = CONTROL_STAGE_SETUP;
- return TUSB_ERROR_NONE;
- }
- tusb_error_t error = TUSB_ERROR_NONE;
- control_state.total_transferred += xferred_bytes;
- tusb_control_request_t const *p_request = &control_state.current_request;
-
- if (p_request->wLength == control_state.total_transferred || xferred_bytes < 64) {
- control_state.current_stage = CONTROL_STAGE_STATUS;
- dcd_control_status(rhport, p_request->bmRequestType_bit.direction);
-
- // Do the user callback after queueing the STATUS packet because the callback could be slow.
- if ( TUSB_REQ_RCPT_INTERFACE == p_request->bmRequestType_bit.recipient )
- {
- tud_control_interface_control_complete_cb(rhport, tu_u16_low(p_request->wIndex), p_request);
- }
- } else {
- if (TUSB_REQ_RCPT_INTERFACE == p_request->bmRequestType_bit.recipient) {
- error = tud_control_interface_control_cb(rhport, tu_u16_low(p_request->wIndex), p_request, control_state.total_transferred);
- } else {
- error = controld_process_control_request(rhport, p_request, control_state.total_transferred);
- }
- }
- return error;
-}
-
-// This tracks the state of a control request.
-tusb_error_t controld_process_setup_request(uint8_t rhport, tusb_control_request_t const * p_request) {
- tusb_error_t error = TUSB_ERROR_NONE;
- memcpy(&control_state.current_request, p_request, sizeof(tusb_control_request_t));
- if (p_request->wLength == 0) {
- control_state.current_stage = CONTROL_STAGE_STATUS;
- } else {
- control_state.current_stage = CONTROL_STAGE_DATA;
- control_state.total_transferred = 0;
- }
-
- if ( TUSB_REQ_RCPT_INTERFACE == p_request->bmRequestType_bit.recipient )
- {
- error = tud_control_interface_control_cb(rhport, tu_u16_low(p_request->wIndex), p_request, 0);
- } else {
- error = controld_process_control_request(rhport, p_request, 0);
- }
-
- if (error != TUSB_ERROR_NONE) {
- dcd_control_stall(rhport); // Stall errored requests
- } else if (control_state.current_stage == CONTROL_STAGE_STATUS) {
- dcd_control_status(rhport, p_request->bmRequestType_bit.direction);
- }
- return error;
-}
-
-// This handles the actual request and its response.
-tusb_error_t controld_process_control_request(uint8_t rhport, tusb_control_request_t const * p_request, uint16_t bytes_already_sent)
-{
- tusb_error_t error = TUSB_ERROR_NONE;
- uint8_t ep_addr = 0;
- if (p_request->bmRequestType_bit.direction == TUSB_DIR_IN) {
- ep_addr |= TUSB_DIR_IN_MASK;
- }
-
- //------------- Standard Request e.g in enumeration -------------//
- if( TUSB_REQ_RCPT_DEVICE == p_request->bmRequestType_bit.recipient &&
- TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type ) {
- switch (p_request->bRequest) {
- case TUSB_REQ_GET_DESCRIPTOR: {
- uint8_t const * buffer = NULL;
- uint16_t const len = get_descriptor(rhport, p_request, &buffer);
-
- if (len) {
- uint16_t remaining_bytes = len - bytes_already_sent;
- if (remaining_bytes > 64) {
- remaining_bytes = 64;
- }
- memcpy(_shared_control_buffer, buffer + bytes_already_sent, remaining_bytes);
- dcd_edpt_xfer(rhport, ep_addr, _shared_control_buffer, remaining_bytes);
- } else {
- return TUSB_ERROR_FAILED;
- }
- break;
- }
- case TUSB_REQ_GET_CONFIGURATION:
- memcpy(_shared_control_buffer, &control_state.config, 1);
- dcd_edpt_xfer(rhport, ep_addr, _shared_control_buffer, 1);
- break;
- case TUSB_REQ_SET_ADDRESS:
- dcd_set_address(rhport, (uint8_t) p_request->wValue);
- break;
- case TUSB_REQ_SET_CONFIGURATION:
- control_state.config = p_request->wValue;
- tud_control_set_config_cb (rhport, control_state.config);
- break;
- default:
- return TUSB_ERROR_FAILED;
- }
- } else if (p_request->bmRequestType_bit.recipient == TUSB_REQ_RCPT_ENDPOINT &&
- p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_STANDARD) {
- //------------- Endpoint Request -------------//
- switch (p_request->bRequest) {
- case TUSB_REQ_GET_STATUS: {
- uint16_t status = dcd_edpt_stalled(rhport, tu_u16_low(p_request->wIndex)) ? 0x0001 : 0x0000;
- memcpy(_shared_control_buffer, &status, 2);
-
- dcd_edpt_xfer(rhport, ep_addr, _shared_control_buffer, 2);
- break;
- }
- case TUSB_REQ_CLEAR_FEATURE:
- // only endpoint feature is halted/stalled
- dcd_edpt_clear_stall(rhport, tu_u16_low(p_request->wIndex));
- break;
- case TUSB_REQ_SET_FEATURE:
- // only endpoint feature is halted/stalled
- dcd_edpt_stall(rhport, tu_u16_low(p_request->wIndex));
- break;
- default:
- return TUSB_ERROR_FAILED;
- }
- } else {
- //------------- Unsupported Request -------------//
- return TUSB_ERROR_FAILED;
- }
- return error;
-}
-
-#endif