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338 lines
9.0 KiB
338 lines
9.0 KiB
3 months ago
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020/12/31 Bernard Add license info
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "board.h"
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#include "interrupt.h"
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#include "drv_mouse.h"
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#include "drv_clcd.h"
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#define DBG_TAG "drv.mouse"
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#define DBG_LVL DBG_INFO
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#include "rtdbg.h"
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#ifdef BSP_DRV_MOUSE
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#define MOUSE_ADDRESS (0x10007000)
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#define MOUSE_IRQ_NUM (IRQ_VEXPRESS_A9_MOUSE)
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#define MOUSE_XMAX (BSP_LCD_WIDTH)
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#define MOUSE_YMAX (BSP_LCD_HEIGHT)
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#define MOUSE_BUTTON_LEFT (0x01)
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#define MOUSE_BUTTON_RIGHT (0x02)
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#define MOUSE_BUTTON_MIDDLE (0x04)
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#define MOUSE_BUTTON_DOWN (0x10)
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#define MOUSE_BUTTON_UP (0x20)
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#define MOUSE_BUTTON_MOVE (0x40)
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#define MOUSE_BUTTON_WHELL (0x80)
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#ifdef PKG_USING_GUIENGINE
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#include <rtgui/event.h>
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#include <rtgui/rtgui_server.h>
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static rt_uint32_t emouse_id;
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#elif defined(PKG_USING_LITTLEVGL2RTT)
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#include <littlevgl2rtt.h>
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#elif defined(PKG_USING_LVGL)
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#include <lvgl.h>
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extern void lv_port_indev_input(rt_int16_t x, rt_int16_t y, lv_indev_state_t state);
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static rt_bool_t touch_down = RT_FALSE;
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#endif /* PKG_USING_GUIENGINE */
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typedef rt_uint32_t virtual_addr_t;
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enum {
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MOUSE_CR = 0x00,
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MOUSE_STAT = 0x04,
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MOUSE_DATA = 0x08,
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MOUSE_CLKDIV = 0x0c,
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MOUSE_IIR = 0x10,
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};
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struct mouse_pl050_pdata_t {
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virtual_addr_t virt;
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int irq;
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int xmax, ymax;
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int xpos, ypos;
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unsigned char packet[4];
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int index;
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int obtn;
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int type;
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};
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rt_inline rt_uint8_t read8(uint32_t addr)
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{
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return (*((volatile rt_uint8_t *)(addr)));
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}
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rt_inline void write8(uint32_t addr, rt_uint8_t value)
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{
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*((volatile rt_uint8_t *)(addr)) = value;
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}
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rt_inline rt_uint32_t read32(uint32_t addr)
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{
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return (*((volatile rt_uint32_t *)(addr)));
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}
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rt_inline void write32(uint32_t addr, rt_uint32_t value)
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{
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*((volatile rt_uint32_t *)(addr)) = value;
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}
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rt_inline int kmi_write(struct mouse_pl050_pdata_t * pdat, rt_uint8_t value)
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{
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int timeout = 1000;
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while((read8(pdat->virt + MOUSE_STAT) & (1 << 6)) == 0 && timeout--);
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if(timeout)
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{
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write8(pdat->virt + MOUSE_DATA, value);
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while((read8(pdat->virt + MOUSE_STAT) & (1 << 4)) == 0);
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if(read8(pdat->virt + MOUSE_DATA) == 0xfa)
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return RT_TRUE;
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}
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return RT_FALSE;
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}
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rt_inline int kmi_read(struct mouse_pl050_pdata_t * pdat, rt_uint8_t * value)
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{
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if((read8(pdat->virt + MOUSE_STAT) & (1 << 4)))
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{
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*value = read8(pdat->virt + MOUSE_DATA);
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return RT_TRUE;
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}
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return RT_FALSE;
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}
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void push_event_touch_move(int x, int y)
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{
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#ifdef PKG_USING_GUIENGINE
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struct rtgui_event_mouse emouse;
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emouse.parent.sender = RT_NULL;
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emouse.wid = RT_NULL;
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emouse.button = RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_DOWN;
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emouse.parent.type = RTGUI_EVENT_MOUSE_MOTION;
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emouse.x = x;
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emouse.y = y;
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emouse.ts = rt_tick_get();
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emouse.id = emouse_id;
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LOG_D("[line]:%d motion event id:%d x:%d y:%d", __LINE__, emouse.id, x, y);
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rtgui_server_post_event(&emouse.parent, sizeof(emouse));
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#elif defined(PKG_USING_LITTLEVGL2RTT)
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littlevgl2rtt_send_input_event(x, y, LITTLEVGL2RTT_INPUT_MOVE);
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#elif defined(PKG_USING_LVGL)
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lv_port_indev_input(x, y, (touch_down == RT_TRUE) ? LV_INDEV_STATE_PR : LV_INDEV_STATE_REL);
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#endif
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}
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void push_event_touch_begin(int x, int y)
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{
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#ifdef PKG_USING_GUIENGINE
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struct rtgui_event_mouse emouse;
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emouse_id = rt_tick_get();
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emouse.parent.sender = RT_NULL;
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emouse.wid = RT_NULL;
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emouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON;
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emouse.button = RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_DOWN;
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emouse.x = x;
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emouse.y = y;
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emouse.ts = rt_tick_get();
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emouse.id = emouse_id;
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LOG_D("[line]:%d down event id:%d x:%d y:%d", __LINE__, emouse.id, x, y);
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rtgui_server_post_event(&emouse.parent, sizeof(emouse));
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#elif defined(PKG_USING_LITTLEVGL2RTT)
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littlevgl2rtt_send_input_event(x, y, LITTLEVGL2RTT_INPUT_DOWN);
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#elif defined(PKG_USING_LVGL)
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touch_down = RT_TRUE;
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lv_port_indev_input(x, y, (touch_down == RT_TRUE) ? LV_INDEV_STATE_PR : LV_INDEV_STATE_REL);
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#endif
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}
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void push_event_touch_end(int x, int y)
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{
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#ifdef PKG_USING_GUIENGINE
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struct rtgui_event_mouse emouse;
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emouse.parent.sender = RT_NULL;
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emouse.wid = RT_NULL;
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emouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON;
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emouse.button = RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_UP;
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emouse.x = x;
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emouse.y = y;
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emouse.ts = rt_tick_get();
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emouse.id = emouse_id;
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LOG_D("[line]:%d up event id:%d x:%d y:%d", __LINE__, emouse.id, x, y);
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rtgui_server_post_event(&emouse.parent, sizeof(emouse));
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#elif defined(PKG_USING_LITTLEVGL2RTT)
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littlevgl2rtt_send_input_event(x, y, LITTLEVGL2RTT_INPUT_MOVE);
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#elif defined(PKG_USING_LVGL)
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touch_down = RT_FALSE;
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lv_port_indev_input(x, y, (touch_down == RT_TRUE) ? LV_INDEV_STATE_PR : LV_INDEV_STATE_REL);
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#endif
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}
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static void mouse_pl050_interrupt(int irq, void * data)
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{
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struct mouse_pl050_pdata_t * pdat = (struct mouse_pl050_pdata_t *)data;
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int x, y, relx, rely, delta;
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int btndown, btnup, btn;
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int status = 0;
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status = read8(pdat->virt + MOUSE_IIR);
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while(status & (1 << 0))
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{
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pdat->packet[pdat->index] = read8(pdat->virt + MOUSE_DATA);
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pdat->index = (pdat->index + 1) & 0x3;
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if(pdat->index == 0)
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{
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btn = pdat->packet[0] & 0x7;
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btndown = (btn ^ pdat->obtn) & btn;
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btnup = (btn ^ pdat->obtn) & pdat->obtn;
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pdat->obtn = btn;
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if(pdat->packet[0] & 0x10)
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relx = 0xffffff00 | pdat->packet[1];
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else
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relx = pdat->packet[1];
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if(pdat->packet[0] & 0x20)
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rely = 0xffffff00 | pdat->packet[2];
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else
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rely = pdat->packet[2];
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rely = -rely;
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delta = pdat->packet[3] & 0xf;
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if(delta == 0xf)
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delta = -1;
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if(relx != 0)
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{
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pdat->xpos = pdat->xpos + relx;
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if(pdat->xpos < 0)
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pdat->xpos = 0;
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if(pdat->xpos > pdat->xmax - 1)
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pdat->xpos = pdat->xmax - 1;
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}
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if(rely != 0)
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{
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pdat->ypos = pdat->ypos + rely;
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if(pdat->ypos < 0)
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pdat->ypos = 0;
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if(pdat->ypos > pdat->ymax - 1)
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pdat->ypos = pdat->ymax - 1;
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}
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x = pdat->xpos;
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y = pdat->ypos;
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if((btn & (0x01 << 0)) && ((relx != 0) || (rely != 0)))
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push_event_touch_move(x, y);
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if(btndown & (0x01 << 0))
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push_event_touch_begin(x, y);
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if(btnup & (0x01 << 0))
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push_event_touch_end(x, y);
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}
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status = read8(pdat->virt + MOUSE_IIR);
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}
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}
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int rt_hw_mouse_init(void)
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{
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rt_uint8_t value;
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rt_uint32_t id;
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struct mouse_pl050_pdata_t *pdat;
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virtual_addr_t virt = MOUSE_ADDRESS;
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int irq = MOUSE_IRQ_NUM;
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#ifdef RT_USING_SMART
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virt = (virtual_addr_t)rt_ioremap((void*)MOUSE_ADDRESS, 0x1000);
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#endif
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id = (((read32(virt + 0xfec) & 0xff) << 24) |
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((read32(virt + 0xfe8) & 0xff) << 16) |
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((read32(virt + 0xfe4) & 0xff) << 8) |
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((read32(virt + 0xfe0) & 0xff) << 0));
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if(((id >> 12) & 0xff) != 0x41 || (id & 0xfff) != 0x050)
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{
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LOG_E("read id fail id:0x%08x", id);
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return -RT_ERROR;
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}
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pdat = rt_malloc(sizeof(struct mouse_pl050_pdata_t));
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if(!pdat)
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{
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LOG_E("malloc memory failed");
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return -RT_ERROR;
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}
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rt_memset(pdat, 0, sizeof(struct mouse_pl050_pdata_t));
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pdat->virt = virt;
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pdat->irq = irq;
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pdat->xmax = MOUSE_XMAX;
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pdat->ymax = MOUSE_YMAX;
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pdat->xpos = pdat->xmax / 2;
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pdat->ypos = pdat->ymax / 2;
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pdat->packet[0] = 0;
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pdat->packet[1] = 0;
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pdat->packet[2] = 0;
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pdat->packet[3] = 0;
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pdat->index = 0;
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pdat->obtn = 0;
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write8(pdat->virt + MOUSE_CLKDIV, 0);
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write8(pdat->virt + MOUSE_CR, (1 << 2));
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kmi_write(pdat, 0xff);
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kmi_read(pdat, &value);
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kmi_write(pdat, 0xf3);
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kmi_write(pdat, 200);
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kmi_write(pdat, 0xf3);
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kmi_write(pdat, 100);
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kmi_write(pdat, 0xf3);
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kmi_write(pdat, 80);
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kmi_write(pdat, 0xf2);
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kmi_read(pdat, &value);
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kmi_read(pdat, &value);
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kmi_write(pdat, 0xf3);
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kmi_write(pdat, 100);
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kmi_write(pdat, 0xe8);
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kmi_write(pdat, 0x02);
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kmi_write(pdat, 0xe6);
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kmi_write(pdat, 0xf4);
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kmi_read(pdat, &value);
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kmi_read(pdat, &value);
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kmi_read(pdat, &value);
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kmi_read(pdat, &value);
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write8(pdat->virt + MOUSE_CR, (1 << 2) | (1 << 4));
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rt_hw_interrupt_install(pdat->irq, mouse_pl050_interrupt, (void *)pdat, "mouse");
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rt_hw_interrupt_umask(pdat->irq);
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return RT_EOK;
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}
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INIT_DEVICE_EXPORT(rt_hw_mouse_init);
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#endif
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