Squashed 'third_party/pico-sdk/lib/tinyusb/' content from commit 868948f67c
Change-Id: I5d33c2566dd597be9d4b1c30d4b3723c5ef4a265
git-subtree-dir: third_party/pico-sdk/lib/tinyusb
git-subtree-split: 868948f67c90fa7c2553cdcd604b52862cf55720
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/src/host/usbh_control.c b/src/host/usbh_control.c
new file mode 100644
index 0000000..9204576
--- /dev/null
+++ b/src/host/usbh_control.c
@@ -0,0 +1,138 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#include "tusb_option.h"
+
+#if TUSB_OPT_HOST_ENABLED
+
+#include "tusb.h"
+#include "usbh_classdriver.h"
+
+enum
+{
+ STAGE_SETUP,
+ STAGE_DATA,
+ STAGE_ACK
+};
+
+typedef struct
+{
+ tusb_control_request_t request TU_ATTR_ALIGNED(4);
+
+ uint8_t stage;
+ uint8_t* buffer;
+ tuh_control_complete_cb_t complete_cb;
+} usbh_control_xfer_t;
+
+static usbh_control_xfer_t _ctrl_xfer;
+
+//CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN
+//static uint8_t _tuh_ctrl_buf[CFG_TUH_ENUMERATION_BUFSIZE];
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM DECLARATION
+//--------------------------------------------------------------------+
+
+bool tuh_control_xfer (uint8_t dev_addr, tusb_control_request_t const* request, void* buffer, tuh_control_complete_cb_t complete_cb)
+{
+ // TODO need to claim the endpoint first
+ const uint8_t rhport = usbh_get_rhport(dev_addr);
+
+ _ctrl_xfer.request = (*request);
+ _ctrl_xfer.buffer = buffer;
+ _ctrl_xfer.stage = STAGE_SETUP;
+ _ctrl_xfer.complete_cb = complete_cb;
+
+ TU_LOG2("Control Setup (addr = %u): ", dev_addr);
+ TU_LOG2_VAR(request);
+ TU_LOG2("\r\n");
+
+ // Send setup packet
+ TU_ASSERT( hcd_setup_send(rhport, dev_addr, (uint8_t const*) &_ctrl_xfer.request) );
+
+ return true;
+}
+
+static void _xfer_complete(uint8_t dev_addr, xfer_result_t result)
+{
+ TU_LOG2("\r\n");
+ if (_ctrl_xfer.complete_cb) _ctrl_xfer.complete_cb(dev_addr, &_ctrl_xfer.request, result);
+}
+
+bool usbh_control_xfer_cb (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes)
+{
+ (void) ep_addr;
+ (void) xferred_bytes;
+
+ const uint8_t rhport = usbh_get_rhport(dev_addr);
+
+ tusb_control_request_t const * request = &_ctrl_xfer.request;
+
+ if (XFER_RESULT_SUCCESS != result)
+ {
+ TU_LOG2("Control failed: result = %d\r\n", result);
+
+ // terminate transfer if any stage failed
+ _xfer_complete(dev_addr, result);
+ }else
+ {
+ switch(_ctrl_xfer.stage)
+ {
+ case STAGE_SETUP:
+ _ctrl_xfer.stage = STAGE_DATA;
+ if (request->wLength)
+ {
+ // DATA stage: initial data toggle is always 1
+ hcd_edpt_xfer(rhport, dev_addr, tu_edpt_addr(0, request->bmRequestType_bit.direction), _ctrl_xfer.buffer, request->wLength);
+ return true;
+ }
+ __attribute__((fallthrough));
+
+ case STAGE_DATA:
+ _ctrl_xfer.stage = STAGE_ACK;
+
+ if (request->wLength)
+ {
+ TU_LOG2("Control data (addr = %u):\r\n", dev_addr);
+ TU_LOG2_MEM(_ctrl_xfer.buffer, request->wLength, 2);
+ }
+
+ // ACK stage: toggle is always 1
+ hcd_edpt_xfer(rhport, dev_addr, tu_edpt_addr(0, 1-request->bmRequestType_bit.direction), NULL, 0);
+ break;
+
+ case STAGE_ACK:
+ _xfer_complete(dev_addr, result);
+ break;
+
+ default: return false;
+ }
+ }
+
+ return true;
+}
+
+#endif