391 lines
13 KiB
C
391 lines
13 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_FSA506)
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#include <rtdevice.h>
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#include <lcd_fsa506.h>
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#if defined(NU_PKG_FSA506_WITH_OFFSCREEN_FRAMEBUFFER)
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#if !defined(NU_PKG_FSA506_LINE_BUFFER_NUMBER)
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#define NU_PKG_FSA506_LINE_BUFFER_NUMBER YSIZE_PHYS
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#endif
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#endif
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#define fsa506_delay_ms(ms) rt_thread_mdelay(ms)
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static void fsa506_fillscreen(rt_uint16_t color);
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static struct rt_device_graphic_info g_FSA506Info =
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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 fsa506_pin_init(void)
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{
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SET_BACKLIGHT_OFF;
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rt_pin_mode(BOARD_USING_FSA506_PIN_BACKLIGHT, PIN_MODE_OUTPUT);
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CLR_RS;
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CLR_RST;
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rt_pin_mode(BOARD_USING_FSA506_PIN_DC, PIN_MODE_OUTPUT);
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rt_pin_mode(BOARD_USING_FSA506_PIN_RESET, PIN_MODE_OUTPUT);
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return RT_EOK;
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}
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static rt_err_t fsa506_lcd_init(rt_device_t dev)
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{
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SET_BACKLIGHT_OFF;
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/* Hardware reset */
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CLR_RST;
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fsa506_delay_ms(100); // Delay 100ms
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SET_RST;
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fsa506_delay_ms(500); // Delay 500ms
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fsa506_write_reg(0x40, 0x12); // [5]:PLL control 20~100MHz [2:1]:Output Driving 8mA, [0]:Output slew Fast
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fsa506_write_reg(0x41, 0x05); // PLL Programmable pre-divider: 5
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fsa506_write_reg(0x42, 0x06); // PLL Programmable loop divider: 6
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/* Set the panel X size */
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fsa506_write_reg(0x08, (XSIZE_PHYS >> 8)); //Set the panel X size H[1.0]
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fsa506_write_reg(0x09, (XSIZE_PHYS)); //Set the panel X size L[7:0]
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/* Memory write start address */
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fsa506_write_reg(0x0a, 0x00); //[17:16] bits of memory write start address
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fsa506_write_reg(0x0b, 0x00); //[15:8] bits of memory write start address
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fsa506_write_reg(0x0c, 0x00); //[7:0] bits of memory write start address
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/* Clock & format */
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fsa506_write_reg(0x10, 0x0D); //[0-1] : 20MHz, [2]: Parallel panel, [3]: Normal operation
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fsa506_write_reg(0x11, 0x05); //[3-5]: RGB, [0-2]BGR
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/* For TFT output timing adjust */
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fsa506_write_reg(0x12, 0x00); //Hsync start position H-Byte
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fsa506_write_reg(0x13, 0x00); //Hsync start position L-Byte
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fsa506_write_reg(0x14, (41 >> 8)); //Hsync pulse width H-Byte
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fsa506_write_reg(0x15, (41)); //Hsync pulse width L-Byte
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fsa506_write_reg(0x16, (43 >> 8)); //DE pulse start position H-Byte
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fsa506_write_reg(0x17, (43)); //DE pulse start position L-Byte
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fsa506_write_reg(0x18, (XSIZE_PHYS >> 8)); //DE pulse width H-Byte
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fsa506_write_reg(0x19, (XSIZE_PHYS)); //DE pulse width L-Byte
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fsa506_write_reg(0x1a, (525 >> 8)); //Hsync total clocks H-Byte
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fsa506_write_reg(0x1b, (525)); //Hsync total clocks H-Byte
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fsa506_write_reg(0x1c, 0x00); //Vsync start position H-Byte
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fsa506_write_reg(0x1d, 0x00); //Vsync start position L-Byte
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fsa506_write_reg(0x1e, (10 >> 8)); //Vsync pulse width H-Byte
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fsa506_write_reg(0x1f, (10)); //Vsync pulse width L-Byte
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fsa506_write_reg(0x20, (12 >> 8)); //Vertical DE pulse start position H-Byte
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fsa506_write_reg(0x21, (12)); //Vertical DE pulse start position L-Byte
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fsa506_write_reg(0x22, (YSIZE_PHYS >> 8)); //Vertical Active width H-Byte
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fsa506_write_reg(0x23, (YSIZE_PHYS)); //Vertical Active width H-Byte
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fsa506_write_reg(0x24, (286 >> 8)); //Vertical total width H-Byte
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fsa506_write_reg(0x25, (286)); //Vertical total width L-Byte
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fsa506_write_reg(0x26, 0x00); //Memory read start address
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fsa506_write_reg(0x27, 0x00); //Memory read start address
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fsa506_write_reg(0x28, 0x00); //Memory read start address
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fsa506_write_reg(0x29, 0x01); //[0] Load output timing related setting (H sync., V sync. and DE) to take effect
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//[7:4] Reserved
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//[3] Output pin X_DCON level control
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//[2] Output clock inversion 0: Normal 1: Inverse
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//[1:0] Image rotate
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// 00: 0? 01: 90? 10: 270?11: 180?
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fsa506_write_reg(0x2d, (1 << 2) | 0x08);
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/* Set the Horizontal offset */
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fsa506_write_reg(0x30, 0x00); //_H byte H-Offset[3:0]
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fsa506_write_reg(0x31, 0x00); //_L byte H-Offset[7:0]
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fsa506_write_reg(0x32, 0x00); //_H byte V-Offset[3:0]
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fsa506_write_reg(0x33, 0x00); //_L byte V-Offset[7:0]
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fsa506_write_reg(0x34, (XSIZE_PHYS >> 8)); //H byte H-def[3:0]
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fsa506_write_reg(0x35, (XSIZE_PHYS)); //_L byte H-def[7:0]
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fsa506_write_reg(0x36, ((2 * YSIZE_PHYS) >> 8)); //[3:0] MSB of image vertical physical resolution in memory
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fsa506_write_reg(0x37, (2 * YSIZE_PHYS)); //[7:0] LSB of image vertical physical resolution in memory
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fsa506_fillscreen(0);
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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_FSA506_WITH_OFFSCREEN_FRAMEBUFFER)
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static void fsa506_fillrect(uint16_t *pixels, struct rt_device_rect_info *pRectInfo)
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{
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fsa506_set_column(pRectInfo->x, pRectInfo->x + pRectInfo->width - 1);
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fsa506_set_page(pRectInfo->y, pRectInfo->y + pRectInfo->height - 1);
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fsa506_send_cmd(0xC1);
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fsa506_send_pixels(pixels, pRectInfo->height * pRectInfo->width * 2);
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fsa506_send_cmd_done();
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}
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#endif
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static void fsa506_fillscreen(rt_uint16_t color)
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{
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#if defined(NU_PKG_FSA506_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_FSA506_LINE_BUFFER_NUMBER < YSIZE_PHYS) ? NU_PKG_FSA506_LINE_BUFFER_NUMBER : YSIZE_PHYS;
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pixel_count = XSIZE_PHYS * NU_PKG_FSA506_LINE_BUFFER_NUMBER;
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rt_uint16_t *pu16ShadowBuf = (rt_uint16_t *)g_FSA506Info.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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fsa506_fillrect((uint16_t *)g_FSA506Info.framebuffer, &rectinfo);
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filled_line_num += NU_PKG_FSA506_LINE_BUFFER_NUMBER;
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}
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#else
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fsa506_set_column(0, (XSIZE_PHYS - 1));
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fsa506_set_page(0, (YSIZE_PHYS - 1));
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fsa506_send_cmd(0xC1);
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for (int i = 0; i < (XSIZE_PHYS * YSIZE_PHYS); i++)
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fsa506_send_pixel_data(color);
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fsa506_send_cmd_done();
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#endif
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}
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static void fsa506_lcd_set_pixel(const char *color, int x, int y)
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{
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fsa506_set_column(x, x);
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fsa506_set_page(y, y);
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fsa506_send_cmd(0xC1);
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fsa506_send_pixel_data(*(uint16_t *)color);
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fsa506_send_cmd_done();
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}
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static void fsa506_lcd_draw_hline(const char *pixel, int x1, int x2, int y)
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{
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fsa506_set_column(x1, x2);
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fsa506_set_page(y, y);
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fsa506_send_cmd(0xC1);
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for (; x1 < x2; x1++)
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fsa506_send_pixel_data(*(uint16_t *)pixel);
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fsa506_send_cmd_done();
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}
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static void fsa506_lcd_draw_vline(const char *pixel, int x, int y1, int y2)
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{
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fsa506_set_column(x, x);
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fsa506_set_page(y1, y2);
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fsa506_send_cmd(0xC1);
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for (; y1 < y2; y1++)
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fsa506_send_pixel_data(*(uint16_t *)pixel);
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fsa506_send_cmd_done();
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}
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static void fsa506_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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fsa506_set_column(x, x + size);
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fsa506_set_page(y, y);
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fsa506_send_cmd(0xC1);
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while (size--)
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fsa506_send_pixel_data(*ptr++);
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fsa506_send_cmd_done();
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}
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static rt_err_t fsa506_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 fsa506_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 fsa506_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_FSA506Info, 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_FSA506_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_FSA506Info.framebuffer;
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RT_ASSERT(args);
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fsa506_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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return -RT_ERROR;
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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 fsa506_ops =
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{
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fsa506_lcd_set_pixel,
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fsa506_lcd_get_pixel,
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fsa506_lcd_draw_hline,
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fsa506_lcd_draw_vline,
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fsa506_lcd_blit_line
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};
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int rt_hw_lcd_fsa506_init(void)
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{
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fsa506_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 = fsa506_lcd_init;
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lcd_device.open = fsa506_lcd_open;
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lcd_device.close = fsa506_lcd_close;
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lcd_device.control = fsa506_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 = &fsa506_ops;
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#if defined(NU_PKG_FSA506_WITH_OFFSCREEN_FRAMEBUFFER)
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g_FSA506Info.framebuffer = rt_malloc_align((g_FSA506Info.pitch * NU_PKG_FSA506_LINE_BUFFER_NUMBER) + 32, 32);
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RT_ASSERT(g_FSA506Info.framebuffer != RT_NULL);
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g_FSA506Info.smem_len = g_FSA506Info.pitch * NU_PKG_FSA506_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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fsa506_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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fsa506_fillscreen(color);
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fsa506_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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fsa506_fillscreen(color);
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fsa506_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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fsa506_fillscreen(color);
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fsa506_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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fsa506_fillscreen(color);
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fsa506_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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fsa506_fillscreen(color);
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fsa506_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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fsa506_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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fsa506_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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fsa506_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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fsa506_lcd_set_pixel((const char *)&color, x, y);
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color = 0x0;
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fsa506_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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fsa506_lcd_set_pixel((const char *)&color, x, y);
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color = 0x0;
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fsa506_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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fsa506_lcd_set_pixel((const char *)&color, x, y);
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color = 0x0;
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fsa506_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_FSA506) */
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