386 lines
12 KiB
C
386 lines
12 KiB
C
/**************************************************************************//**
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*
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* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
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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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* 2022-2-23 Wayne First version
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*
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******************************************************************************/
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#include <rtconfig.h>
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#if defined(NU_PKG_USING_SSD1963)
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#include <rtdevice.h>
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#include <lcd_ssd1963.h>
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#if defined(NU_PKG_SSD1963_WITH_OFFSCREEN_FRAMEBUFFER)
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#if !defined(NU_PKG_SSD1963_LINE_BUFFER_NUMBER)
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#define NU_PKG_SSD1963_LINE_BUFFER_NUMBER YSIZE_PHYS
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#endif
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#endif
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#define ssd1963_delay_ms(ms) rt_thread_mdelay(ms)
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static struct rt_device_graphic_info g_SSD1963Info =
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{
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.bits_per_pixel = 16,
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.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565,
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.framebuffer = RT_NULL,
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.width = XSIZE_PHYS,
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.pitch = XSIZE_PHYS * 2,
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.height = YSIZE_PHYS
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};
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static rt_err_t ssd1963_pin_init(void)
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{
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rt_pin_mode(BOARD_USING_SSD1963_PIN_DC, PIN_MODE_OUTPUT);
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rt_pin_mode(BOARD_USING_SSD1963_PIN_RESET, PIN_MODE_OUTPUT);
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rt_pin_mode(BOARD_USING_SSD1963_PIN_BACKLIGHT, PIN_MODE_OUTPUT);
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rt_pin_mode(BOARD_USING_SSD1963_PIN_DISPLAY, PIN_MODE_OUTPUT);
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CLR_RS;
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CLR_RST;
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SET_BACKLIGHT_OFF;
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SET_DISP_OFF;
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return RT_EOK;
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}
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static rt_err_t ssd1963_lcd_init(rt_device_t dev)
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{
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/* Hardware reset */
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SET_RST;
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ssd1963_delay_ms(5); // Delay 5ms
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CLR_RST;
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ssd1963_delay_ms(20); // Delay 20ms
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SET_RST;
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ssd1963_delay_ms(40); // Delay 40ms
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/* Initial control registers */
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ssd1963_send_cmd(0x01); //Software reset
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ssd1963_delay_ms(10);
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ssd1963_send_cmd(0xe0); //Start PLL. Before the start, the system was operated with the crystal oscillator or clock input.
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ssd1963_send_cmd_parameter(0x01); //0: Disable PLL, 1:Enable PLL.
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ssd1963_delay_ms(50);
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ssd1963_send_cmd(0xe0);
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ssd1963_send_cmd_parameter(0x03); //0: Disable PLL, 1:Enable PLL. 3:Enable+LOCK PLL
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ssd1963_delay_ms(5);
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ssd1963_send_cmd(0xb0); //SET LCD MODE SET TFT MODE
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ssd1963_send_cmd_parameter(0x20); //SET 24Bit, Disable TFT FRC & dithering, DCLK in falling edge, LLINE Active low, LFRAME Active low
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ssd1963_send_cmd_parameter(0x00); //SET TFT mode
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ssd1963_send_cmd_parameter(0x01); //SET horizontal size=480-1 HightByte
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ssd1963_send_cmd_parameter(0xdf); //SET horizontal size=480-1 LowByte
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ssd1963_send_cmd_parameter(0x01); //SET vertical size=272-1 HightByte
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ssd1963_send_cmd_parameter(0x0f); //SET vertical size=272-1 LowByte
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ssd1963_send_cmd_parameter(0x00); //SET even/odd line RGB seq.=RGB
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ssd1963_send_cmd(0xf0); //SET pixel data I/F format=16bit(565 format)
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ssd1963_send_cmd_parameter(0x03);
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//ssd1963_send_cmd(0xf0); //SET pixel data I/F format=8bit (666 format)
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//ssd1963_send_cmd_parameter(0x00);
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ssd1963_send_cmd(0x36); // SET read from frame buffer to the display is RGB
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ssd1963_send_cmd_parameter(0x00);
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ssd1963_send_cmd(0xe2);
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ssd1963_send_cmd_parameter(0x1d);
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ssd1963_send_cmd_parameter(0x02);
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ssd1963_send_cmd_parameter(0x54);
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ssd1963_send_cmd(0xe6); //SET pixel clock frequency
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ssd1963_send_cmd_parameter(0x01);
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ssd1963_send_cmd_parameter(0x99);
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ssd1963_send_cmd_parameter(0x9a);
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ssd1963_send_cmd(0xb4); //SET HBP,
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ssd1963_send_cmd_parameter(0x02); //SET HSYNC Tatol = 525
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ssd1963_send_cmd_parameter(0x0d);
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ssd1963_send_cmd_parameter(0x00); //SET HBP = 20
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ssd1963_send_cmd_parameter(0x14);
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ssd1963_send_cmd_parameter(0x05); //SET VBP 5
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ssd1963_send_cmd_parameter(0x00); //SET Hsync pulse start position
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ssd1963_send_cmd_parameter(0x00);
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ssd1963_send_cmd_parameter(0x00); //SET Hsync pulse subpixel start position
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ssd1963_send_cmd(0xb6); //SET VBP,
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ssd1963_send_cmd_parameter(0x01); //SET Vsync total 292
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ssd1963_send_cmd_parameter(0x24);
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ssd1963_send_cmd_parameter(0x00); //SET VBP = 10
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ssd1963_send_cmd_parameter(0x0a);
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ssd1963_send_cmd_parameter(0x05); //SET Vsync pulse 5
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ssd1963_send_cmd_parameter(0x00); //SET Vsync pulse start position
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ssd1963_send_cmd_parameter(0x00);
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ssd1963_send_cmd(0x29); //SET display on
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ssd1963_delay_ms(5);
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SET_DISP_ON;
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SET_BACKLIGHT_ON;
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return RT_EOK;
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}
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#if defined(NU_PKG_SSD1963_WITH_OFFSCREEN_FRAMEBUFFER)
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static void ssd1963_fillrect(uint16_t *pixels, struct rt_device_rect_info *pRectInfo)
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{
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ssd1963_set_column(pRectInfo->x, pRectInfo->x + pRectInfo->width - 1);
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ssd1963_set_page(pRectInfo->y, pRectInfo->y + pRectInfo->height - 1);
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ssd1963_send_cmd(0x2c);
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ssd1963_send_pixels(pixels, pRectInfo->height * pRectInfo->width * 2);
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}
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#endif
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static void ssd1963_fillscreen(rt_uint16_t color)
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{
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#if defined(NU_PKG_SSD1963_WITH_OFFSCREEN_FRAMEBUFFER)
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struct rt_device_rect_info rectinfo;
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int filled_line_num = 0;
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while (filled_line_num < YSIZE_PHYS)
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{
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int pixel_count;
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rectinfo.x = 0;
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rectinfo.y = filled_line_num;
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rectinfo.width = XSIZE_PHYS;
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rectinfo.height = (NU_PKG_SSD1963_LINE_BUFFER_NUMBER < YSIZE_PHYS) ? NU_PKG_SSD1963_LINE_BUFFER_NUMBER : YSIZE_PHYS;
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pixel_count = XSIZE_PHYS * NU_PKG_SSD1963_LINE_BUFFER_NUMBER;
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rt_uint16_t *pu16ShadowBuf = (rt_uint16_t *)g_SSD1963Info.framebuffer;
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while (pixel_count > 0)
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{
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*pu16ShadowBuf++ = color;
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pixel_count--;
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}
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ssd1963_fillrect((uint16_t *)g_SSD1963Info.framebuffer, &rectinfo);
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filled_line_num += NU_PKG_SSD1963_LINE_BUFFER_NUMBER;
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}
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#else
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ssd1963_set_column(0, (XSIZE_PHYS - 1));
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ssd1963_set_page(0, (YSIZE_PHYS - 1));
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ssd1963_send_cmd(0x2c);
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for (int i = 0; i < (XSIZE_PHYS * YSIZE_PHYS); i++)
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ssd1963_send_pixel_data(color);
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#endif
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}
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static void ssd1963_lcd_set_pixel(const char *color, int x, int y)
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{
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ssd1963_set_column(x, x);
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ssd1963_set_page(y, y);
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ssd1963_send_cmd(0x2c);
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ssd1963_send_pixel_data(*(uint16_t *)color);
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}
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static void ssd1963_lcd_draw_hline(const char *pixel, int x1, int x2, int y)
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{
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ssd1963_set_column(x1, x2);
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ssd1963_set_page(y, y);
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ssd1963_send_cmd(0x2c);
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for (; x1 < x2; x1++)
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ssd1963_send_pixel_data(*(uint16_t *)pixel);
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}
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static void ssd1963_lcd_draw_vline(const char *pixel, int x, int y1, int y2)
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{
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ssd1963_set_column(x, x);
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ssd1963_set_page(y1, y2);
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ssd1963_send_cmd(0x2c);
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for (; y1 < y2; y1++)
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ssd1963_send_pixel_data(*(uint16_t *)pixel);
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}
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static void ssd1963_lcd_blit_line(const char *pixels, int x, int y, rt_size_t size)
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{
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rt_uint16_t *ptr = (rt_uint16_t *)pixels;
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ssd1963_set_column(x, x + size);
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ssd1963_set_page(y, y);
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ssd1963_send_cmd(0x2c);
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while (size--)
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ssd1963_send_pixel_data(*ptr++);
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}
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static rt_err_t ssd1963_lcd_open(rt_device_t dev, rt_uint16_t oflag)
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{
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return RT_EOK;
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}
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static rt_err_t ssd1963_lcd_close(rt_device_t dev)
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{
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return RT_EOK;
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}
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static rt_err_t ssd1963_lcd_control(rt_device_t dev, int cmd, void *args)
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{
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switch (cmd)
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{
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case RTGRAPHIC_CTRL_GET_INFO:
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{
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struct rt_device_graphic_info *info;
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info = (struct rt_device_graphic_info *) args;
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RT_ASSERT(info != RT_NULL);
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rt_memcpy(args, (void *)&g_SSD1963Info, sizeof(struct rt_device_graphic_info));
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}
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break;
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case RTGRAPHIC_CTRL_RECT_UPDATE:
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{
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#if defined(NU_PKG_SSD1963_WITH_OFFSCREEN_FRAMEBUFFER)
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struct rt_device_rect_info *psRectInfo = (struct rt_device_rect_info *)args;
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rt_uint16_t *pixels = (rt_uint16_t *)g_SSD1963Info.framebuffer;
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RT_ASSERT(args);
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ssd1963_fillrect(pixels, psRectInfo);
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#else
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/* nothong to be done */
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#endif
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}
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break;
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default:
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break;
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}
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return RT_EOK;
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}
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static struct rt_device lcd_device;
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static struct rt_device_graphic_ops ssd1963_ops =
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{
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ssd1963_lcd_set_pixel,
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ssd1963_lcd_get_pixel,
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ssd1963_lcd_draw_hline,
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ssd1963_lcd_draw_vline,
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ssd1963_lcd_blit_line
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};
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int rt_hw_lcd_ssd1963_init(void)
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{
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ssd1963_pin_init();
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/* register lcd device */
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lcd_device.type = RT_Device_Class_Graphic;
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lcd_device.init = ssd1963_lcd_init;
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lcd_device.open = ssd1963_lcd_open;
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lcd_device.close = ssd1963_lcd_close;
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lcd_device.control = ssd1963_lcd_control;
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lcd_device.read = RT_NULL;
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lcd_device.write = RT_NULL;
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lcd_device.user_data = &ssd1963_ops;
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#if defined(NU_PKG_SSD1963_WITH_OFFSCREEN_FRAMEBUFFER)
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g_SSD1963Info.framebuffer = rt_malloc_align((g_SSD1963Info.pitch * NU_PKG_SSD1963_LINE_BUFFER_NUMBER) + 32, 32);
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RT_ASSERT(g_SSD1963Info.framebuffer != RT_NULL);
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g_SSD1963Info.smem_len = g_SSD1963Info.pitch * NU_PKG_SSD1963_LINE_BUFFER_NUMBER;
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#endif
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/* register graphic device driver */
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rt_device_register(&lcd_device, "lcd", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE);
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return 0;
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}
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#ifdef RT_USING_FINSH
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#define LINE_LEN 32
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static void lcd_test(int argc, char *argv[])
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{
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uint16_t pixels[LINE_LEN];
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uint16_t color;
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int x, y, i;
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x = y = 100;
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ssd1963_lcd_init(NULL);
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color = 0x0; //Black, RGB
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rt_kprintf("Brush 0x%X on screen.\n", color);
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ssd1963_fillscreen(color);
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ssd1963_lcd_get_pixel((char *)&color, x, y);
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rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
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color = 0xffff; //White, RGB
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rt_kprintf("Brush 0x%X on screen.\n", color);
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ssd1963_fillscreen(color);
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ssd1963_lcd_get_pixel((char *)&color, x, y);
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rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
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color = 0x1f; //Blue, RGB
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rt_kprintf("Brush 0x%X on screen.\n", color);
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ssd1963_fillscreen(color);
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ssd1963_lcd_get_pixel((char *)&color, x, y);
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rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
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color = 0x07e0; //Green, RGB
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rt_kprintf("Brush 0x%X on screen.\n", color);
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ssd1963_fillscreen(color);
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ssd1963_lcd_get_pixel((char *)&color, x, y);
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rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
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color = 0xf800; //Red, RGB
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rt_kprintf("Brush 0x%X on screen.\n", color);
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ssd1963_fillscreen(color);
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ssd1963_lcd_get_pixel((char *)&color, x, y);
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rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
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color = 0xffff; //White, RGB
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rt_kprintf("lcd draw hline, pixel: 0x%X, x1: %d, x2: %d, y: %d\n", color, x, x + 20, y);
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ssd1963_lcd_draw_hline((const char *)&color, x, x + 20, y);
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color = 0xffff; //White, RGB
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rt_kprintf("lcd draw vline, pixel: 0x%X, x: %d, y: %d\n", color, y, y + 20);
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ssd1963_lcd_draw_vline((const char *)&color, x, y, y + 20);
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for (i = 0; i < LINE_LEN; i++)
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pixels[i] = 20 + i * 5;
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x = y = 50;
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rt_kprintf("lcd blit line, start: x: %d, y: %d\n", x, y);
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ssd1963_lcd_blit_line((const char *)&pixels[0], x, y, LINE_LEN);
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x = y = 200;
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color = 0x07E0; //Green, RGB
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rt_kprintf("lcd set pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
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ssd1963_lcd_set_pixel((const char *)&color, x, y);
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color = 0x0;
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ssd1963_lcd_get_pixel((char *)&color, x, y);
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rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
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x = y = 200;
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color = 0x1f; //Blue, RGB
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rt_kprintf("lcd set pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
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ssd1963_lcd_set_pixel((const char *)&color, x, y);
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color = 0x0;
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ssd1963_lcd_get_pixel((char *)&color, x, y);
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rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
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x = y = 200;
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color = 0xf800; //Red, RGB
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rt_kprintf("lcd set pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
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ssd1963_lcd_set_pixel((const char *)&color, x, y);
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color = 0x0;
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ssd1963_lcd_get_pixel((char *)&color, x, y);
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rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d\n", color, x, y);
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}
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MSH_CMD_EXPORT(lcd_test, test lcd display);
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#endif
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#endif /* if defined(NU_PKG_USING_SSD1963) */
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