325 lines
8.7 KiB
C
325 lines
8.7 KiB
C
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/***************************************************************************//**
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* @file dev_keys.c
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* @brief Keys driver of RT-Thread RTOS for EFM32
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* COPYRIGHT (C) 2011, RT-Thread Development Team
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* @author onelife
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* @version 0.4 beta
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*******************************************************************************
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* @section License
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* The license and distribution terms for this file may be found in the file
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* LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
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*******************************************************************************
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* @section Change Logs
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* Date Author Notes
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* 2011-12-29 onelife Initial creation for EFM32GG_DK3750 board
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******************************************************************************/
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/***************************************************************************//**
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* @addtogroup EFM32GG_DK3750
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* @{
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******************************************************************************/
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/* Includes ------------------------------------------------------------------*/
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#include "board.h"
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#include "hdl_interrupt.h"
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#include "dev_keys.h"
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#if defined(EFM32_USING_KEYS)
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#include <rtgui/event.h>
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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#ifdef EFM32_KEYS_DEBUG
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#define keys_debug(format,args...) rt_kprintf(format, ##args)
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#else
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#define keys_debug(format,args...)
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#endif
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/* Private function prototypes -----------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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static struct efm32_joy_device joy;
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static struct rt_device joy_dev;
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static struct rtgui_event_mouse mouse;
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static rt_bool_t click;
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/* Private functions ---------------------------------------------------------*/
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/***************************************************************************//**
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* @brief
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* Keys interrupt handler
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*
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* @details
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*
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* @note
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*
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* @param[in] device
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* Pointer to device descriptor
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******************************************************************************/
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static void efm32_keys_isr(rt_device_t dev)
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{
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rt_uint16_t flag, joystick;
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/* Clear DEK interrupt */
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flag = DVK_getInterruptFlags();
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DVK_clearInterruptFlags(flag);
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if (flag & BC_INTFLAG_PB)
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{
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}
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if (flag & BC_INTFLAG_DIP)
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{
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}
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if (flag & BC_INTFLAG_JOYSTICK)
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{
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joystick = DVK_getJoystick();
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keys_debug("Keys: joystick %x\n", joystick);
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#ifdef RT_USING_RTGUI
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switch (joystick)
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{
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case BC_UIF_JOYSTICK_RIGHT:
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joy.x += 2;
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if (joy.x > joy.max_x)
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{
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joy.x = joy.max_x;
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}
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break;
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case BC_UIF_JOYSTICK_LEFT:
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joy.x -= 2;
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if (joy.x < joy.min_x)
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{
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joy.x = joy.min_x;
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}
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break;
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case BC_UIF_JOYSTICK_DOWN:
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joy.y += 2;
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if (joy.y > joy.max_y)
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{
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joy.y = joy.max_y;
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}
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break;
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case BC_UIF_JOYSTICK_UP:
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joy.y -= 2;
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if (joy.y < joy.min_y)
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{
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joy.y = joy.min_y;
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}
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break;
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case BC_UIF_JOYSTICK_CENTER:
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break;
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default:
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break;
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}
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#endif
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if (joystick)
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{
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if (joystick != BC_UIF_JOYSTICK_CENTER)
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{
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mouse.parent.type = RTGUI_EVENT_MOUSE_MOTION;
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mouse.x = joy.x;
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mouse.y = joy.y;
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rtgui_server_post_event((&mouse.parent), sizeof(mouse));
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rt_timer_start(&joy.timer);
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}
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else
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{
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click = RT_TRUE;
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mouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON;
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mouse.button = RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_DOWN;
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rtgui_server_post_event((&mouse.parent), sizeof(mouse));
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}
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}
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else
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{
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if (click)
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{
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click = RT_FALSE;
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mouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON;
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mouse.button = RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_UP;
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rtgui_server_post_event((&mouse.parent), sizeof(mouse));
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}
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else
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{
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rt_timer_stop(&joy.timer);
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}
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}
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}
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if (flag & BC_INTFLAG_AEM)
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{
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}
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}
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/***************************************************************************//**
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* @brief
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* Keys timeout handler
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*
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* @details
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*
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* @note
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*
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* @param[in] param
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* Parameter
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******************************************************************************/
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static void efm32_keys_timer_isr(void *param)
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{
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rt_uint16_t joystick;
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joystick = DVK_getJoystick();
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#ifdef RT_USING_RTGUI
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switch (joystick)
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{
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case BC_UIF_JOYSTICK_RIGHT:
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joy.x += 2;
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if (joy.x > joy.max_x)
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{
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joy.x = joy.max_x;
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}
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break;
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case BC_UIF_JOYSTICK_LEFT:
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joy.x -= 2;
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if (joy.x < joy.min_x)
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{
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joy.x = joy.min_x;
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}
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break;
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case BC_UIF_JOYSTICK_DOWN:
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joy.y += 2;
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if (joy.y > joy.max_y)
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{
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joy.y = joy.max_y;
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}
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break;
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case BC_UIF_JOYSTICK_UP:
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joy.y -= 2;
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if (joy.y < joy.min_y)
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{
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joy.y = joy.min_y;
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}
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break;
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}
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if (joystick)
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{
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mouse.parent.type = RTGUI_EVENT_MOUSE_MOTION;
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mouse.x = joy.x;
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mouse.y = joy.y;
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rtgui_server_post_event((&mouse.parent), sizeof(mouse));
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}
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#endif
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}
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/***************************************************************************//**
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* @brief
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* Initialize keys device
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*
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* @details
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*
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* @note
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*
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* @param[in] dev
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* Pointer to device descriptor
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*
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* @return
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* Error code
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******************************************************************************/
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static rt_err_t efm32_keys_init (rt_device_t dev)
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{
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struct rt_device_graphic_info lcd_info;
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rt_device_t lcd;
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lcd = rt_device_find(LCD_DEVICE_NAME);
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if (lcd == RT_NULL)
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{
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keys_debug("Keys err: Can't find LCD\n");
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return -RT_ERROR;
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}
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lcd->control(lcd, RTGRAPHIC_CTRL_GET_INFO, (void *)&lcd_info);
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click = RT_FALSE;
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joy.x = 0;
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joy.y = 0;
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joy.min_x = 0;
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joy.max_x = lcd_info.width;
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joy.min_y = 0;
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joy.max_y = lcd_info.height;
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mouse.parent.sender = RT_NULL;
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mouse.wid = RT_NULL;
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mouse.button = 0;
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return RT_EOK;
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}
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/***************************************************************************//**
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* @brief
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* Initialize keys related hardware and register joystic device to kernel
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*
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* @details
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*
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* @note
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*
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******************************************************************************/
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void efm32_hw_keys_init(void)
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{
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/* Configure joystick interrupt pin */
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GPIO_PinModeSet(KEYS_INT_PORT, KEYS_INT_PIN, gpioModeInputPullFilter, 1);
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/* Enable joystick interrupt */
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GPIO_IntConfig(KEYS_INT_PORT, KEYS_INT_PIN, true, true, true);
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efm32_irq_hook_init_t hook;
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hook.type = efm32_irq_type_gpio;
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hook.unit = KEYS_INT_PIN;
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hook.cbFunc = efm32_keys_isr;
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hook.userPtr = RT_NULL;
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efm32_irq_hook_register(&hook);
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if ((rt_uint8_t)KEYS_INT_PIN % 2)
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{
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NVIC_ClearPendingIRQ(GPIO_ODD_IRQn);
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NVIC_SetPriority(GPIO_ODD_IRQn, EFM32_IRQ_PRI_DEFAULT);
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NVIC_EnableIRQ(GPIO_ODD_IRQn);
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}
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else
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{
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NVIC_ClearPendingIRQ(GPIO_EVEN_IRQn);
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NVIC_SetPriority(GPIO_EVEN_IRQn, EFM32_IRQ_PRI_DEFAULT);
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NVIC_EnableIRQ(GPIO_EVEN_IRQn);
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}
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/* Enable DVK joystick interrupt */
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DVK_enableInterrupt(BC_INTEN_JOYSTICK);
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rt_timer_init(&joy.timer,
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"joy_tmr",
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efm32_keys_timer_isr,
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RT_NULL,
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KEYS_POLL_TIME,
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RT_TIMER_FLAG_PERIODIC);
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joy_dev.init = efm32_keys_init;
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joy_dev.open = RT_NULL;
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joy_dev.close = RT_NULL;
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joy_dev.read = RT_NULL;
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joy_dev.write = RT_NULL;
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joy_dev.control = RT_NULL;
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joy_dev.user_data = (void *)&joy;
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/* register joy stick device */
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rt_device_register(&joy_dev, "joy", RT_DEVICE_FLAG_RDWR);
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keys_debug("Keys: H/W init OK!\n");
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}
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#endif /* defined(EFM32_USING_KEYS) */
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/***************************************************************************//**
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* @}
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******************************************************************************/
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