diff options
Diffstat (limited to 'ports/stm32/usbhost/Class/HID/Src/usbh_hid_mouse.c')
| -rw-r--r-- | ports/stm32/usbhost/Class/HID/Src/usbh_hid_mouse.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/ports/stm32/usbhost/Class/HID/Src/usbh_hid_mouse.c b/ports/stm32/usbhost/Class/HID/Src/usbh_hid_mouse.c new file mode 100644 index 000000000..0851714af --- /dev/null +++ b/ports/stm32/usbhost/Class/HID/Src/usbh_hid_mouse.c @@ -0,0 +1,267 @@ +/**
+ ******************************************************************************
+ * @file usbh_hid_mouse.c
+ * @author MCD Application Team
+ * @version V3.0.0
+ * @date 18-February-2014
+ * @brief This file is the application layer for USB Host HID Mouse Handling.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2>
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (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.st.com/software_license_agreement_liberty_v2
+ *
+ * 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.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbh_hid_mouse.h"
+#include "usbh_hid_parser.h"
+
+
+/** @addtogroup USBH_LIB
+ * @{
+ */
+
+/** @addtogroup USBH_CLASS
+ * @{
+ */
+
+/** @addtogroup USBH_HID_CLASS
+ * @{
+ */
+
+/** @defgroup USBH_HID_MOUSE
+ * @brief This file includes HID Layer Handlers for USB Host HID class.
+ * @{
+ */
+
+/** @defgroup USBH_HID_MOUSE_Private_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBH_HID_MOUSE_Private_Defines
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup USBH_HID_MOUSE_Private_Macros
+ * @{
+ */
+/**
+ * @}
+ */
+
+/** @defgroup USBH_HID_MOUSE_Private_FunctionPrototypes
+ * @{
+ */
+static USBH_StatusTypeDef USBH_HID_MouseDecode(USBH_HandleTypeDef *phost);
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBH_HID_MOUSE_Private_Variables
+ * @{
+ */
+HID_MOUSE_Info_TypeDef mouse_info;
+uint32_t mouse_report_data[1];
+
+/* Structures defining how to access items in a HID mouse report */
+/* Access button 1 state. */
+static const HID_Report_ItemTypedef prop_b1={
+ (uint8_t *)mouse_report_data+0, /*data*/
+ 1, /*size*/
+ 0, /*shift*/
+ 0, /*count (only for array items)*/
+ 0, /*signed?*/
+ 0, /*min value read can return*/
+ 1, /*max value read can return*/
+ 0, /*min value device can report*/
+ 1, /*max value device can report*/
+ 1 /*resolution*/
+};
+
+/* Access button 2 state. */
+static const HID_Report_ItemTypedef prop_b2={
+ (uint8_t *)mouse_report_data+0, /*data*/
+ 1, /*size*/
+ 1, /*shift*/
+ 0, /*count (only for array items)*/
+ 0, /*signed?*/
+ 0, /*min value read can return*/
+ 1, /*max value read can return*/
+ 0, /*min value device can report*/
+ 1, /*max value device can report*/
+ 1 /*resolution*/
+};
+
+/* Access button 3 state. */
+static const HID_Report_ItemTypedef prop_b3={
+ (uint8_t *)mouse_report_data+0, /*data*/
+ 1, /*size*/
+ 2, /*shift*/
+ 0, /*count (only for array items)*/
+ 0, /*signed?*/
+ 0, /*min value read can return*/
+ 1, /*max value read can return*/
+ 0, /*min vale device can report*/
+ 1, /*max value device can report*/
+ 1 /*resolution*/
+};
+
+/* Access x coordinate change. */
+static const HID_Report_ItemTypedef prop_x={
+ (uint8_t *)mouse_report_data+1, /*data*/
+ 8, /*size*/
+ 0, /*shift*/
+ 0, /*count (only for array items)*/
+ 1, /*signed?*/
+ 0, /*min value read can return*/
+ 0xFFFF,/*max value read can return*/
+ 0, /*min vale device can report*/
+ 0xFFFF,/*max value device can report*/
+ 1 /*resolution*/
+};
+
+/* Access y coordinate change. */
+static const HID_Report_ItemTypedef prop_y={
+ (uint8_t *)mouse_report_data+2, /*data*/
+ 8, /*size*/
+ 0, /*shift*/
+ 0, /*count (only for array items)*/
+ 1, /*signed?*/
+ 0, /*min value read can return*/
+ 0xFFFF,/*max value read can return*/
+ 0, /*min vale device can report*/
+ 0xFFFF,/*max value device can report*/
+ 1 /*resolution*/
+};
+
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBH_HID_MOUSE_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief USBH_HID_MouseInit
+ * The function init the HID mouse.
+ * @param phost: Host handle
+ * @retval USBH Status
+ */
+USBH_StatusTypeDef USBH_HID_MouseInit(USBH_HandleTypeDef *phost)
+{
+ HID_HandleTypeDef *HID_Handle = phost->pActiveClass->pData;
+
+ mouse_info.x=0;
+ mouse_info.y=0;
+ mouse_info.buttons[0]=0;
+ mouse_info.buttons[1]=0;
+ mouse_info.buttons[2]=0;
+
+ mouse_report_data[0]=0;
+
+ if(HID_Handle->length > sizeof(mouse_report_data))
+ {
+ HID_Handle->length = sizeof(mouse_report_data);
+ }
+ HID_Handle->pData = (uint8_t *)mouse_report_data;
+ fifo_init(&HID_Handle->fifo, phost->device.Data, HID_QUEUE_SIZE * sizeof(mouse_report_data));
+
+ return USBH_OK;
+}
+
+/**
+ * @brief USBH_HID_GetMouseInfo
+ * The function return mouse information.
+ * @param phost: Host handle
+ * @retval mouse information
+ */
+HID_MOUSE_Info_TypeDef *USBH_HID_GetMouseInfo(USBH_HandleTypeDef *phost)
+{
+ if(USBH_HID_MouseDecode(phost)== USBH_OK)
+ {
+ return &mouse_info;
+ }
+ else
+ {
+ return NULL;
+ }
+}
+
+/**
+ * @brief USBH_HID_MouseDecode
+ * The function decode mouse data.
+ * @param phost: Host handle
+ * @retval USBH Status
+ */
+static USBH_StatusTypeDef USBH_HID_MouseDecode(USBH_HandleTypeDef *phost)
+{
+ HID_HandleTypeDef *HID_Handle = phost->pActiveClass->pData;
+
+ if(HID_Handle->length == 0)
+ {
+ return USBH_FAIL;
+ }
+ /*Fill report */
+ if(fifo_read(&HID_Handle->fifo, &mouse_report_data, HID_Handle->length) == HID_Handle->length)
+ {
+
+ /*Decode report */
+ mouse_info.x = (int16_t )HID_ReadItem((HID_Report_ItemTypedef *) &prop_x, 0);
+ mouse_info.y = (int16_t )HID_ReadItem((HID_Report_ItemTypedef *) &prop_y, 0);
+
+ mouse_info.buttons[0]=(uint8_t)HID_ReadItem((HID_Report_ItemTypedef *) &prop_b1, 0);
+ mouse_info.buttons[1]=(uint8_t)HID_ReadItem((HID_Report_ItemTypedef *) &prop_b2, 0);
+ mouse_info.buttons[2]=(uint8_t)HID_ReadItem((HID_Report_ItemTypedef *) &prop_b3, 0);
+
+ return USBH_OK;
+ }
+ return USBH_FAIL;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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