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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#include <rtthread.h>
#include <rtdevice.h>
#include "LPC177x_8x.h"
#include "lpc177x_8x_pinsel.h"
#include "drv_glcd.h"
#define RT_HW_LCD_WIDTH 480
#define RT_HW_LCD_HEIGHT 272
static struct rt_device_graphic_info _lcd_info;
static struct rt_device lcd;
/* RT-Thread Device Interface */
static rt_err_t rt_lcd_init (rt_device_t dev)
{
PINSEL_ConfigPin(5, 4, 0);
LPC_GPIO5->DIR |= 1<<4;
LPC_GPIO5->CLR = 1<<4;
LPC_GPIO5->SET = 1<<4;
/*Disable LCD controller*/
GLCD_Ctrl (FALSE);
/*Init LCD and copy picture in video RAM*/
GLCD_Init (_lcd_info.framebuffer);
/*Enable LCD*/
GLCD_Ctrl (TRUE);
return RT_EOK;
}
static rt_err_t rt_lcd_control (rt_device_t dev, int cmd, void *args)
{
switch (cmd)
{
case RTGRAPHIC_CTRL_RECT_UPDATE:
break;
case RTGRAPHIC_CTRL_POWERON:
break;
case RTGRAPHIC_CTRL_POWEROFF:
break;
case RTGRAPHIC_CTRL_GET_INFO:
rt_memcpy(args, &_lcd_info, sizeof(_lcd_info));
break;
case RTGRAPHIC_CTRL_SET_MODE:
break;
}
return RT_EOK;
}
/* LCD BL P5_4 */
void rt_hw_lcd_init(void)
{
rt_uint16_t * _rt_framebuffer = RT_NULL;
// _rt_framebuffer = rt_malloc_align(sizeof(rt_uint16_t)*RT_HW_LCD_HEIGHT*RT_HW_LCD_WIDTH, 8);
// if (_rt_framebuffer == RT_NULL) return; /* no memory yet */
_rt_framebuffer = (rt_uint16_t *)0xA0000000;
_lcd_info.bits_per_pixel = 16;
_lcd_info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565;
_lcd_info.framebuffer = (void*)_rt_framebuffer;
_lcd_info.width = RT_HW_LCD_WIDTH;
_lcd_info.height = RT_HW_LCD_HEIGHT;
/* init device structure */
lcd.type = RT_Device_Class_Graphic;
lcd.init = rt_lcd_init;
lcd.open = RT_NULL;
lcd.close = RT_NULL;
lcd.control = rt_lcd_control;
lcd.user_data = (void*)&_lcd_info;
/* register lcd device to RT-Thread */
rt_device_register(&lcd, "lcd", RT_DEVICE_FLAG_RDWR);
}
void lcd_fill(uint8_t * start, uint8_t * end, uint8_t pixel)
{
while(start<end)
{
*start++ = pixel;
}
}
#ifdef RT_USING_FINSH
#include <finsh.h>
FINSH_FUNCTION_EXPORT(lcd_fill, lcd_fill );
#endif
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