411 lines
11 KiB
C
411 lines
11 KiB
C
/**************************************************************************//**
|
|
*
|
|
* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2020-1-16 Wayne First version
|
|
*
|
|
******************************************************************************/
|
|
|
|
#include <rtconfig.h>
|
|
|
|
#if defined(NU_PKG_USING_ILI9341)
|
|
|
|
#include <rtdevice.h>
|
|
#include <lcd_ili9341.h>
|
|
|
|
static struct rt_device_graphic_info g_Ili9341Info =
|
|
{
|
|
.bits_per_pixel = 16,
|
|
.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565,
|
|
.framebuffer = RT_NULL,
|
|
.width = XSIZE_PHYS,
|
|
.pitch = XSIZE_PHYS * 2,
|
|
.height = YSIZE_PHYS
|
|
};
|
|
|
|
static void ili9341_delay_ms(rt_uint32_t nms)
|
|
{
|
|
rt_thread_mdelay(nms);
|
|
}
|
|
|
|
static rt_err_t ili9341_pin_init(void)
|
|
{
|
|
rt_pin_mode(BOARD_USING_ILI9341_PIN_DC, PIN_MODE_OUTPUT);
|
|
rt_pin_mode(BOARD_USING_ILI9341_PIN_RESET, PIN_MODE_OUTPUT);
|
|
rt_pin_mode(BOARD_USING_ILI9341_PIN_BACKLIGHT, PIN_MODE_OUTPUT);
|
|
|
|
SET_RS;
|
|
SET_RST;
|
|
SET_BACKLIGHT_OFF;
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t ili9341_lcd_init(rt_device_t dev)
|
|
{
|
|
/* Hardware reset */
|
|
SET_RST;
|
|
ili9341_delay_ms(5); // Delay 5ms
|
|
|
|
CLR_RST;
|
|
ili9341_delay_ms(20); // Delay 20ms
|
|
|
|
SET_RST;
|
|
ili9341_delay_ms(40); // Delay 40ms
|
|
|
|
/* Initial control registers */
|
|
ili9341_send_cmd(0xCB);
|
|
ili9341_send_cmd_parameter(0x39);
|
|
ili9341_send_cmd_parameter(0x2C);
|
|
ili9341_send_cmd_parameter(0x00);
|
|
ili9341_send_cmd_parameter(0x34);
|
|
ili9341_send_cmd_parameter(0x02);
|
|
|
|
ili9341_send_cmd(0xCF);
|
|
ili9341_send_cmd_parameter(0x00);
|
|
ili9341_send_cmd_parameter(0xC1);
|
|
ili9341_send_cmd_parameter(0x30);
|
|
|
|
ili9341_send_cmd(0xE8);
|
|
ili9341_send_cmd_parameter(0x85);
|
|
ili9341_send_cmd_parameter(0x00);
|
|
ili9341_send_cmd_parameter(0x78);
|
|
|
|
ili9341_send_cmd(0xEA);
|
|
ili9341_send_cmd_parameter(0x00);
|
|
ili9341_send_cmd_parameter(0x00);
|
|
|
|
ili9341_send_cmd(0xED);
|
|
ili9341_send_cmd_parameter(0x64);
|
|
ili9341_send_cmd_parameter(0x03);
|
|
ili9341_send_cmd_parameter(0x12);
|
|
ili9341_send_cmd_parameter(0x81);
|
|
|
|
ili9341_send_cmd(0xF7);
|
|
ili9341_send_cmd_parameter(0x20);
|
|
|
|
ili9341_send_cmd(0xC0);
|
|
ili9341_send_cmd_parameter(0x23);
|
|
|
|
ili9341_send_cmd(0xC1);
|
|
ili9341_send_cmd_parameter(0x10);
|
|
|
|
ili9341_send_cmd(0xC5);
|
|
ili9341_send_cmd_parameter(0x3e);
|
|
ili9341_send_cmd_parameter(0x28);
|
|
|
|
ili9341_send_cmd(0xC7);
|
|
ili9341_send_cmd_parameter(0x86);
|
|
|
|
ili9341_send_cmd(0x36);
|
|
|
|
if (g_Ili9341Info.width == 240)
|
|
ili9341_send_cmd_parameter(0x48); // for 240x320
|
|
else
|
|
ili9341_send_cmd_parameter(0xE8); // for 320x240
|
|
|
|
ili9341_send_cmd(0x3A);
|
|
ili9341_send_cmd_parameter(0x55);
|
|
|
|
ili9341_send_cmd(0xB1);
|
|
ili9341_send_cmd_parameter(0x00);
|
|
ili9341_send_cmd_parameter(0x18);
|
|
|
|
ili9341_send_cmd(0xB6);
|
|
ili9341_send_cmd_parameter(0x08);
|
|
ili9341_send_cmd_parameter(0x82);
|
|
ili9341_send_cmd_parameter(0x27);
|
|
|
|
ili9341_send_cmd(0xF2);
|
|
ili9341_send_cmd_parameter(0x00);
|
|
|
|
ili9341_send_cmd(0x26);
|
|
ili9341_send_cmd_parameter(0x01);
|
|
|
|
ili9341_send_cmd(0xE0);
|
|
ili9341_send_cmd_parameter(0x0F);
|
|
ili9341_send_cmd_parameter(0x31);
|
|
ili9341_send_cmd_parameter(0x2B);
|
|
ili9341_send_cmd_parameter(0x0C);
|
|
ili9341_send_cmd_parameter(0x0E);
|
|
ili9341_send_cmd_parameter(0x08);
|
|
ili9341_send_cmd_parameter(0x4E);
|
|
ili9341_send_cmd_parameter(0xF1);
|
|
ili9341_send_cmd_parameter(0x37);
|
|
ili9341_send_cmd_parameter(0x07);
|
|
ili9341_send_cmd_parameter(0x10);
|
|
ili9341_send_cmd_parameter(0x03);
|
|
ili9341_send_cmd_parameter(0x0E);
|
|
ili9341_send_cmd_parameter(0x09);
|
|
ili9341_send_cmd_parameter(0x00);
|
|
|
|
ili9341_send_cmd(0xE1);
|
|
ili9341_send_cmd_parameter(0x00);
|
|
ili9341_send_cmd_parameter(0x0E);
|
|
ili9341_send_cmd_parameter(0x14);
|
|
ili9341_send_cmd_parameter(0x03);
|
|
ili9341_send_cmd_parameter(0x11);
|
|
ili9341_send_cmd_parameter(0x07);
|
|
ili9341_send_cmd_parameter(0x31);
|
|
ili9341_send_cmd_parameter(0xC1);
|
|
ili9341_send_cmd_parameter(0x48);
|
|
ili9341_send_cmd_parameter(0x08);
|
|
ili9341_send_cmd_parameter(0x0F);
|
|
ili9341_send_cmd_parameter(0x0C);
|
|
ili9341_send_cmd_parameter(0x31);
|
|
ili9341_send_cmd_parameter(0x36);
|
|
ili9341_send_cmd_parameter(0x0F);
|
|
|
|
ili9341_send_cmd(0x11);
|
|
|
|
ili9341_delay_ms(120); // Delay 120ms
|
|
|
|
ili9341_send_cmd(0x29); //Display on
|
|
|
|
SET_BACKLIGHT_ON;
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
#if defined(NU_PKG_ILI9341_WITH_OFFSCREEN_FRAMEBUFFER)
|
|
static void ili9341_fillrect(uint16_t *pixels, struct rt_device_rect_info *pRectInfo)
|
|
{
|
|
ili9341_set_column(pRectInfo->x, pRectInfo->x + pRectInfo->width - 1);
|
|
ili9341_set_page(pRectInfo->y, pRectInfo->y + pRectInfo->height - 1);
|
|
ili9341_send_cmd(0x2c);
|
|
|
|
ili9341_send_pixels(pixels, pRectInfo->height * pRectInfo->width * 2);
|
|
}
|
|
#endif
|
|
|
|
static void ili9341_fillscreen(rt_uint16_t color)
|
|
{
|
|
#if defined(NU_PKG_ILI9341_WITH_OFFSCREEN_FRAMEBUFFER)
|
|
struct rt_device_rect_info rectinfo = { 0, 0, XSIZE_PHYS, YSIZE_PHYS };
|
|
int pixel_count = XSIZE_PHYS * YSIZE_PHYS;
|
|
rt_uint16_t *pu16ShadowBuf = (rt_uint16_t *)g_Ili9341Info.framebuffer;
|
|
|
|
while (pixel_count--)
|
|
{
|
|
*pu16ShadowBuf++ = color;
|
|
}
|
|
ili9341_fillrect((uint16_t *)g_Ili9341Info.framebuffer, &rectinfo);
|
|
#else
|
|
ili9341_set_column(0, (XSIZE_PHYS - 1));
|
|
ili9341_set_page(0, (YSIZE_PHYS - 1));
|
|
ili9341_send_cmd(0x2c);
|
|
|
|
for (int i = 0; i < (XSIZE_PHYS * YSIZE_PHYS); i++)
|
|
ili9341_send_pixel_data(color);
|
|
#endif
|
|
}
|
|
|
|
static void ili9341_lcd_set_pixel(const char *color, int x, int y)
|
|
{
|
|
ili9341_set_column(x, x);
|
|
ili9341_set_page(y, y);
|
|
ili9341_send_cmd(0x2c);
|
|
ili9341_send_pixel_data(*(uint16_t *)color);
|
|
}
|
|
|
|
static void ili9341_lcd_draw_hline(const char *pixel, int x1, int x2, int y)
|
|
{
|
|
ili9341_set_column(x1, x2);
|
|
ili9341_set_page(y, y);
|
|
ili9341_send_cmd(0x2c);
|
|
|
|
for (; x1 < x2; x1++)
|
|
ili9341_send_pixel_data(*(uint16_t *)pixel);
|
|
}
|
|
|
|
static void ili9341_lcd_draw_vline(const char *pixel, int x, int y1, int y2)
|
|
{
|
|
ili9341_set_column(x, x);
|
|
ili9341_set_page(y1, y2);
|
|
ili9341_send_cmd(0x2c);
|
|
|
|
for (; y1 < y2; y1++)
|
|
ili9341_send_pixel_data(*(uint16_t *)pixel);
|
|
}
|
|
|
|
static void ili9341_lcd_blit_line(const char *pixels, int x, int y, rt_size_t size)
|
|
{
|
|
rt_uint16_t *ptr = (rt_uint16_t *)pixels;
|
|
|
|
ili9341_set_column(x, x + size);
|
|
ili9341_set_page(y, y);
|
|
ili9341_send_cmd(0x2c);
|
|
|
|
while (size--)
|
|
ili9341_send_pixel_data(*ptr++);
|
|
}
|
|
|
|
static rt_err_t ili9341_lcd_open(rt_device_t dev, rt_uint16_t oflag)
|
|
{
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t ili9341_lcd_close(rt_device_t dev)
|
|
{
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t ili9341_lcd_control(rt_device_t dev, int cmd, void *args)
|
|
{
|
|
switch (cmd)
|
|
{
|
|
case RTGRAPHIC_CTRL_GET_INFO:
|
|
{
|
|
struct rt_device_graphic_info *info;
|
|
|
|
info = (struct rt_device_graphic_info *) args;
|
|
RT_ASSERT(info != RT_NULL);
|
|
rt_memcpy(args, (void *)&g_Ili9341Info, sizeof(struct rt_device_graphic_info));
|
|
}
|
|
break;
|
|
|
|
case RTGRAPHIC_CTRL_RECT_UPDATE:
|
|
{
|
|
#if defined(NU_PKG_ILI9341_WITH_OFFSCREEN_FRAMEBUFFER)
|
|
struct rt_device_rect_info *psRectInfo = (struct rt_device_rect_info *)args;
|
|
rt_uint16_t *pixels = (rt_uint16_t *)g_Ili9341Info.framebuffer;
|
|
RT_ASSERT(args);
|
|
|
|
ili9341_fillrect(pixels, psRectInfo);
|
|
#else
|
|
/* nothong to be done */
|
|
#endif
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
static struct rt_device lcd_device;
|
|
static struct rt_device_graphic_ops ili9341_ops =
|
|
{
|
|
ili9341_lcd_set_pixel,
|
|
ili9341_lcd_get_pixel,
|
|
ili9341_lcd_draw_hline,
|
|
ili9341_lcd_draw_vline,
|
|
ili9341_lcd_blit_line
|
|
};
|
|
|
|
int rt_hw_lcd_ili9341_init(void)
|
|
{
|
|
ili9341_pin_init();
|
|
|
|
/* register lcd device */
|
|
lcd_device.type = RT_Device_Class_Graphic;
|
|
lcd_device.init = ili9341_lcd_init;
|
|
lcd_device.open = ili9341_lcd_open;
|
|
lcd_device.close = ili9341_lcd_close;
|
|
lcd_device.control = ili9341_lcd_control;
|
|
lcd_device.read = RT_NULL;
|
|
lcd_device.write = RT_NULL;
|
|
|
|
lcd_device.user_data = &ili9341_ops;
|
|
|
|
#if defined(NU_PKG_ILI9341_WITH_OFFSCREEN_FRAMEBUFFER)
|
|
g_Ili9341Info.framebuffer = rt_malloc_align((g_Ili9341Info.pitch * g_Ili9341Info.height) + 32, 32);
|
|
RT_ASSERT(g_Ili9341Info.framebuffer != RT_NULL);
|
|
#endif
|
|
|
|
/* register graphic device driver */
|
|
rt_device_register(&lcd_device, "lcd", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef RT_USING_FINSH
|
|
#define LINE_LEN 32
|
|
static void lcd_test(int argc, char *argv[])
|
|
{
|
|
uint16_t pixels[LINE_LEN];
|
|
uint16_t color;
|
|
int x, y, i;
|
|
x = y = 100;
|
|
|
|
ili9341_lcd_init(NULL);
|
|
|
|
color = 0x0; //Black, RGB
|
|
rt_kprintf("Brush 0x%X on screen.\n", color);
|
|
ili9341_fillscreen(color);
|
|
ili9341_lcd_get_pixel((char *)&color, x, y);
|
|
rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
|
|
|
|
color = 0xffff; //White, RGB
|
|
rt_kprintf("Brush 0x%X on screen.\n", color);
|
|
ili9341_fillscreen(color);
|
|
ili9341_lcd_get_pixel((char *)&color, x, y);
|
|
rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
|
|
|
|
color = 0x1f; //Blue, RGB
|
|
rt_kprintf("Brush 0x%X on screen.\n", color);
|
|
ili9341_fillscreen(color);
|
|
ili9341_lcd_get_pixel((char *)&color, x, y);
|
|
rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
|
|
|
|
color = 0x07e0; //Green, RGB
|
|
rt_kprintf("Brush 0x%X on screen.\n", color);
|
|
ili9341_fillscreen(color);
|
|
ili9341_lcd_get_pixel((char *)&color, x, y);
|
|
rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
|
|
|
|
color = 0xf800; //Red, RGB
|
|
rt_kprintf("Brush 0x%X on screen.\n", color);
|
|
ili9341_fillscreen(color);
|
|
ili9341_lcd_get_pixel((char *)&color, x, y);
|
|
rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
|
|
|
|
color = 0xffff; //White, RGB
|
|
rt_kprintf("lcd draw hline, pixel: 0x%X, x1: %d, x2: %d, y: %d\n", color, x, x + 20, y);
|
|
ili9341_lcd_draw_hline((const char *)&color, x, x + 20, y);
|
|
|
|
color = 0xffff; //White, RGB
|
|
rt_kprintf("lcd draw vline, pixel: 0x%X, x: %d, y: %d\n", color, y, y + 20);
|
|
ili9341_lcd_draw_vline((const char *)&color, x, y, y + 20);
|
|
|
|
for (i = 0; i < LINE_LEN; i++)
|
|
pixels[i] = 20 + i * 5;
|
|
|
|
x = y = 50;
|
|
rt_kprintf("lcd blit line, start: x: %d, y: %d\n", x, y);
|
|
ili9341_lcd_blit_line((const char *)&pixels[0], x, y, LINE_LEN);
|
|
|
|
x = y = 200;
|
|
color = 0x07E0; //Green, RGB
|
|
rt_kprintf("lcd set pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
|
|
ili9341_lcd_set_pixel((const char *)&color, x, y);
|
|
color = 0x0;
|
|
ili9341_lcd_get_pixel((char *)&color, x, y);
|
|
rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
|
|
|
|
x = y = 200;
|
|
color = 0x1f; //Blue, RGB
|
|
rt_kprintf("lcd set pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
|
|
ili9341_lcd_set_pixel((const char *)&color, x, y);
|
|
color = 0x0;
|
|
ili9341_lcd_get_pixel((char *)&color, x, y);
|
|
rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
|
|
|
|
x = y = 200;
|
|
color = 0xf800; //Red, RGB
|
|
rt_kprintf("lcd set pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
|
|
ili9341_lcd_set_pixel((const char *)&color, x, y);
|
|
color = 0x0;
|
|
ili9341_lcd_get_pixel((char *)&color, x, y);
|
|
rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
|
|
}
|
|
MSH_CMD_EXPORT(lcd_test, test lcd display);
|
|
#endif
|
|
|
|
#endif /* if defined(NU_PKG_USING_ILI9341) */
|