2018-10-22 11:02:14 +08:00
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/*
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* Copyright (c) 2006-2018, 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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*/
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2013-01-08 22:40:58 +08:00
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#include <rtthread.h>
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#include "LPC177x_8x.h"
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#include "lpc177x_8x_pinsel.h"
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#include "drv_glcd.h"
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#define RT_HW_LCD_WIDTH 480
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#define RT_HW_LCD_HEIGHT 272
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static struct rt_device_graphic_info _lcd_info;
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static struct rt_device lcd;
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/* RT-Thread Device Interface */
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static rt_err_t rt_lcd_init (rt_device_t dev)
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{
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PINSEL_ConfigPin(5, 4, 0);
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LPC_GPIO5->DIR |= 1<<4;
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LPC_GPIO5->CLR = 1<<4;
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LPC_GPIO5->SET = 1<<4;
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/*Disable LCD controller*/
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GLCD_Ctrl (FALSE);
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/*Init LCD and copy picture in video RAM*/
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GLCD_Init (_lcd_info.framebuffer);
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/*Enable LCD*/
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GLCD_Ctrl (TRUE);
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return RT_EOK;
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}
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2017-10-16 13:23:03 +08:00
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static rt_err_t rt_lcd_control (rt_device_t dev, int cmd, void *args)
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2013-01-08 22:40:58 +08:00
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{
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switch (cmd)
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{
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case RTGRAPHIC_CTRL_RECT_UPDATE:
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break;
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case RTGRAPHIC_CTRL_POWERON:
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break;
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case RTGRAPHIC_CTRL_POWEROFF:
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break;
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case RTGRAPHIC_CTRL_GET_INFO:
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rt_memcpy(args, &_lcd_info, sizeof(_lcd_info));
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break;
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case RTGRAPHIC_CTRL_SET_MODE:
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break;
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}
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return RT_EOK;
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}
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/* LCD BL P5_4 */
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void rt_hw_lcd_init(void)
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{
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rt_uint16_t * _rt_framebuffer = RT_NULL;
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// _rt_framebuffer = rt_malloc_align(sizeof(rt_uint16_t)*RT_HW_LCD_HEIGHT*RT_HW_LCD_WIDTH, 8);
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// if (_rt_framebuffer == RT_NULL) return; /* no memory yet */
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_rt_framebuffer = (rt_uint16_t *)0xA0000000;
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_lcd_info.bits_per_pixel = 16;
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_lcd_info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565;
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_lcd_info.framebuffer = (void*)_rt_framebuffer;
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_lcd_info.width = RT_HW_LCD_WIDTH;
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_lcd_info.height = RT_HW_LCD_HEIGHT;
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/* init device structure */
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lcd.type = RT_Device_Class_Graphic;
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lcd.init = rt_lcd_init;
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lcd.open = RT_NULL;
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lcd.close = RT_NULL;
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lcd.control = rt_lcd_control;
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lcd.user_data = (void*)&_lcd_info;
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/* register lcd device to RT-Thread */
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rt_device_register(&lcd, "lcd", RT_DEVICE_FLAG_RDWR);
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}
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void lcd_fill(uint8_t * start, uint8_t * end, uint8_t pixel)
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{
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while(start<end)
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{
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*start++ = pixel;
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}
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}
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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FINSH_FUNCTION_EXPORT(lcd_fill, lcd_fill );
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#endif
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