From 5bc62c93e02b0f1ac9a92ed110a1cf2aa42f7cf2 Mon Sep 17 00:00:00 2001
From: Diego Ismirlian <dismirlian (at) google's mail.com>
Date: Mon, 5 Jun 2017 10:53:59 -0300
Subject: Add HID class driver

---
 os/hal/include/usbh/dev/hid.h | 136 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 os/hal/include/usbh/dev/hid.h

(limited to 'os/hal/include/usbh/dev/hid.h')

diff --git a/os/hal/include/usbh/dev/hid.h b/os/hal/include/usbh/dev/hid.h
new file mode 100644
index 0000000..4dbcf12
--- /dev/null
+++ b/os/hal/include/usbh/dev/hid.h
@@ -0,0 +1,136 @@
+/*
+    ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
+              Copyright (C) 2015..2016 Diego Ismirlian, TISA, (dismirlian (at) google's mail)
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+#ifndef USBH_HID_H_
+#define USBH_HID_H_
+
+#include "hal_usbh.h"
+
+#if HAL_USE_USBH && HAL_USBH_USE_HID
+
+/* TODO:
+ *
+ */
+
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+#if !defined(HAL_USBHHID_USE_INTERRUPT_OUT)
+#define HAL_USBHHID_USE_INTERRUPT_OUT 				FALSE
+#endif
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+typedef enum {
+	USBHHID_STATE_UNINIT = 0,
+	USBHHID_STATE_STOP = 1,
+	USBHHID_STATE_ACTIVE = 2,
+	USBHHID_STATE_READY = 3
+} usbhhid_state_t;
+
+typedef enum {
+	USBHHID_DEVTYPE_GENERIC = 0,
+	USBHHID_DEVTYPE_BOOT_KEYBOARD = 1,
+	USBHHID_DEVTYPE_BOOT_MOUSE = 2,
+} usbhhid_devtype_t;
+
+typedef enum {
+	USBHHID_REPORTTYPE_INPUT = 1,
+	USBHHID_REPORTTYPE_OUTPUT = 2,
+	USBHHID_REPORTTYPE_FEATURE = 3,
+} usbhhid_reporttype_t;
+
+typedef struct USBHHIDDriver USBHHIDDriver;
+typedef struct USBHHIDConfig USBHHIDConfig;
+
+typedef void (*usbhhid_report_callback)(USBHHIDDriver *hidp);
+
+struct USBHHIDConfig {
+	usbhhid_report_callback cb_report;
+	void *report_buffer;
+};
+
+struct USBHHIDDriver {
+	/* inherited from abstract class driver */
+	_usbh_base_classdriver_data
+
+	usbh_ep_t epin;
+#if HAL_USBHHID_USE_INTERRUPT_OUT
+	usbh_ep_t epout;
+#endif
+	uint8_t ifnum;
+
+	usbhhid_devtype_t type;
+	usbhhid_state_t state;
+
+	usbh_urb_t in_urb;
+
+	const USBHHIDConfig *config;
+};
+
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+#define usbhhidGetState(hidp) ((hidp)->state)
+
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+extern USBHHIDDriver USBHHID[HAL_USBHHID_MAX_INSTANCES];
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+	/* HID Driver */
+	void usbhHIDObjectInit(USBHHIDDriver *hidp);
+
+	/* HID Common API */
+	usbh_urbstatus_t usbhhidGetReport(USBHHIDDriver *hidp,
+			uint8_t report_id, usbhhid_reporttype_t report_type,
+			void *data, uint16_t len);
+	usbh_urbstatus_t usbhhidSetReport(USBHHIDDriver *hidp,
+			uint8_t report_id, usbhhid_reporttype_t report_type,
+			const void *data, uint16_t len);
+	usbh_urbstatus_t usbhhidGetIdle(USBHHIDDriver *hidp, uint8_t report_id, uint8_t *duration);
+	usbh_urbstatus_t usbhhidSetIdle(USBHHIDDriver *hidp, uint8_t report_id, uint8_t duration);
+	usbh_urbstatus_t usbhhidGetProtocol(USBHHIDDriver *hidp, uint8_t *protocol);
+	usbh_urbstatus_t usbhhidSetProtocol(USBHHIDDriver *hidp, uint8_t protocol);
+
+	static inline uint8_t usbhhidGetType(USBHHIDDriver *hidp) {
+		return hidp->type;
+	}
+
+	/* global initializer */
+	void usbhhidInit(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif /* USBH_HID_H_ */
-- 
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