baremetal: Add USB HID gamepads example for MSP430f5529 chip

This example demonstrates how to create the USB HID device
on MSP430f5529 chip (based on MSP430 architecture) using the
different toolchains (IAR EW, GCC).

Change-Id: Ic4d6a17d3e75e7ccb9b1f3eeaaef9abdf2da896b
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

1 files changed, 148 insertions, 0 deletions

diff --git a/examples/baremetal/msp430f5529/nes-gamepads/usb.h b/examples/baremetal/msp430f5529/nes-gamepads/usb.h
new file mode 100644
index 000000000..503f3cf07
--- /dev/null
+++ b/examples/baremetal/msp430f5529/nes-gamepads/usb.h
@@ -0,0 +1,148 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 Denis Shienkov <denis.shienkov@gmail.com>
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of Qbs.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * 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.
+**   * Neither the name of The Qt Company Ltd 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 AND CONTRIBUTORS
+** "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
+** OWNER OR CONTRIBUTORS 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MSP430_USB_H
+#define MSP430_USB_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum usb_setup_bmreq_bits {
+    SETUP_DIR = 0x80,
+    SETUP_TYPE = 0x60,
+    SETUP_RECIPIENT = 0x1F
+};
+
+// Setup request direction.
+enum usb_setup_req_direction_bits {
+    SETUP_OUTPUT = 0, // From host to device direction.
+    SETUP_INPUT = 0x80 // From device to host direction.
+};
+
+// Setup request type.
+enum usb_setup_req_type_bits {
+    SETUP_STANDARD = 0, // Standard request.
+    SETUP_CLASS = 0x20, // Class request.
+    SETUP_VENDOR = 0x40 // Vendor request.
+};
+
+// Setup request recipient.
+enum usb_setup_req_recipient_bits {
+    SETUP_DEVICE = 0, // Device recipient.
+    SETUP_IFACE = 0x01, // Interface recipient.
+    SETUP_EP = 0x02, // End point recipient.
+    SETUP_OTHER = 0x03 // Other recipient.
+};
+
+// Setup request code.
+enum usb_setup_req_code {
+    SETUP_GET_STATUS = 0x00, // Get status code.
+    SETUP_CLEAR_FEATURE = 0x01, // Clear feature code.
+    SETUP_RESERVED1 = 0x02, // Reserved code.
+    SETUP_SET_FEATURE = 0x03, // Set feature code.
+    SETUP_RESERVED2 = 0x04, // Reserved code.
+    SETUP_SET_ADDRESS = 0x05, // Set address code.
+    SETUP_GET_DESCRIPTOR = 0x06, // Get descriptor code.
+    SETUP_SET_DESCRIPTOR = 0x07, // Set descriptor code.
+    SETUP_GET_CONFIGURATION = 0x08, // Get configuration code.
+    SETUP_SET_CONFIGURATION = 0x09, // Set configuration code.
+    SETUP_GET_INTERFACE = 0x0A, // Get interface code.
+    SETUP_SET_INTERFACE = 0x0B, // Set interface code.
+    SETUP_SYNC_FRAME = 0x0C, // Sync frame code.
+    SETUP_ANCHOR_LOAD = 0xA0 // Anchor load code.
+};
+
+// Standard status responses.
+enum usb_setup_status_code {
+    STATUS_SELF_POWERED = 0x01,
+    STATUS_REMOTE_WAKEUP = 0x02
+};
+
+// Standard feature selectors.
+enum usb_setup_feature_selector {
+    FEATURE_STALL = 0x00,
+    FEATURE_REMOTE_WAKEUP = 0x01,
+    FEATURE_TEST_MODE = 0x02
+};
+
+// Get descriptor codes.
+enum usb_setup_get_descriptor_code {
+    DESC_DEVICE = 0x01, // Device descriptor.
+    DESC_CONF = 0x02, // Configuration descriptor.
+    DESC_STRING = 0x03, // String descriptor.
+    DESC_INTERFACE = 0x04, // Interface descriptor.
+    DESC_ENDPOINT = 0x05, // End point descriptor.
+    DESC_DEVICE_QUAL = 0x06, // Device qualifier descriptor.
+    DESC_OTHER_SPEED_CONF = 0x07, // Other configuration descriptor.
+    DESC_INTERFACE_POWER = 0x08, // Interface power descriptor.
+    DESC_OTG = 0x09, // OTG descriptor.
+    DESC_DEBUG = 0x0A, // Debug descriptor.
+    DESC_INTERFACE_ASSOC = 0x0B, // Interface association descriptor.
+    DESC_HID = 0x21, // Get HID descriptor.
+    DESC_REPORT = 0x22 // Get report descriptor.
+};
+
+
+enum usb_ep_size {
+    EP0_MAX_PACKET_SIZE = 8,
+    EP_MAX_PACKET_SIZE = 64,
+    EP_MAX_FIFO_SIZE = 256,
+    EP_NO_MORE_DATA = 0xFFFF
+};
+
+void usb_init(void);
+void usb_task(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // MSP430_USB_H