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    【WhyCan YuzukiHD联合出品】R11 86 面板

    R128系列-智能硬件
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    • YuzukiTsuru
      柚木 鉉 LV 9 最后由 YuzukiTsuru 编辑

      ffa0d402-3822-4247-80c0-fdb6ca644688-sasd.jpg

      1 条回复 最后回复 回复 引用 分享 1
      • YuzukiTsuru
        柚木 鉉 LV 9 最后由 YuzukiTsuru 编辑

        原理图：SCH_R11_86_Panel_2022-05-10.pdf
        Gerber：4509cffe-4971-4f8b-bbf7-65970f8d6d11-Gerber_PCB1_2022-06-18.zip
        立创EDA专业版工程文件：cf5cf19a-e977-4e9f-be5b-988c5bbf3709-ProProject_R11+86Panel_2022-06-18.zip

        适配了 Kernel: 5.4.180 U-Boot 2022.01

        SDK： https://github.com/YuzukiHD/Buildroot-YuzukiSBC
        SDK开发文档：https://yuzukihd.gloomyghost.com/Buildroot-YuzukiSBC/#/

        选择yuzukihd_r11_86panel_defconfig

        1 条回复 最后回复 回复 引用 分享 0
        • U
          ubuntu LV 7 最后由 编辑

          坐等原理图PCB和SDK

          1 条回复 最后回复 回复 引用 分享 0
          • J
            jiangh LV 3 最后由 编辑

            那么问题来了，屏幕从哪来呢

            1 条回复 最后回复 回复 引用 分享 0
            • YuzukiTsuru
              柚木 鉉 LV 9 最后由 编辑

              测试驱动屏幕
              7016caf9-6128-4db8-ae91-651d4281fcaf-1768b7e3f5e86e4e660d72afec3f10c.jpg

              1 条回复 最后回复 回复 引用 分享 0
              • YuzukiTsuru
                柚木 鉉 LV 9 最后由 编辑

                屏幕是在UBOOT进行初始化的，初始化代码：

                #ifndef _LCD_PANEL_INIT_H_
#define _LCD_PANEL_INIT_H_

#include <asm/gpio.h>
#include <asm/arch/gpio.h>

#define DELAYBIT 10

#define YS_LOG(fmt, arg...)                                                                                                        \
	do {                                                                                                                       \
		printf(fmt, ##arg);                                                                                                \
	} while (0)

#define YS_DBG(fmt, arg...) YS_LOG("[Yuzuki LCD sSPI] " fmt, ##arg)

#define st7701s_spi_sdi_0 gpio_direction_output(LCD_MOSI, 0)
#define st7701s_spi_sdi_1 gpio_direction_output(LCD_MOSI, 1)
#define st7701s_spi_scl_0 gpio_direction_output(LCD_CLK, 0)
#define st7701s_spi_scl_1 gpio_direction_output(LCD_CLK, 1)

int LCD_RST; // PG10
int LCD_MOSI; // PG11
int LCD_CLK; // PG12
int LCD_BL; // PG12

void lcd_delay_ms(int ms)
{
	unsigned long long delay = ms * 1000 * 20;
	while (delay--)
		asm volatile("nop");
}

void sunxi_lcd_delay_us(int us)
{
	unsigned long long delay = 100 * us;
	while (delay--)
		asm volatile("nop");
}

int SPI_Init(void)
{
	int ret;

	LCD_RST = sunxi_name_to_gpio("PG10");
	if (LCD_RST < 0) {
		YS_DBG("Error invalid LCD RST pin: PG, err %d\n", LCD_RST);
		return LCD_RST;
	}
	ret = gpio_request(LCD_RST, "LCD_RST");
	if (ret) {
		YS_DBG("Error invalid LCD_RST pin: PG, err %d\n", LCD_RST);
		return ret;
	}
	YS_DBG("PG10 --> LCD_RST request OK\n");

	LCD_MOSI = sunxi_name_to_gpio("PG11");
	if (LCD_MOSI < 0) {
		YS_DBG("Error invalid LCD_MOSI pin: PG, err %d\n", LCD_MOSI);
		return LCD_MOSI;
	}
	ret = gpio_request(LCD_MOSI, "LCD_MOSI");
	if (ret) {
		YS_DBG("Error invalid LCD_MOSI pin: PG, err %d\n", LCD_MOSI);
		return ret;
	}
	YS_DBG("PG11 --> LCD_MOSI request OK\n");

	LCD_CLK = sunxi_name_to_gpio("PG12");
	if (LCD_CLK < 0) {
		YS_DBG("Error invalid LCD_CLK pin: PG, err %d\n", LCD_CLK);
		return LCD_CLK;
	}
	ret = gpio_request(LCD_CLK, "LCD_CLK");
	if (ret) {
		YS_DBG("Error invalid LCD_CLK pin: PG, err %d\n", LCD_CLK);
		return ret;
	}
	YS_DBG("PG12 --> LCD_CLK request OK\n");

	LCD_BL = sunxi_name_to_gpio("PB4");
	if (LCD_BL < 0) {
		YS_DBG("Error invalid LCD_CLK pin: PG, err %d\n", LCD_BL);
		return LCD_BL;
	}
	ret = gpio_request(LCD_BL, "LCD_BL");
	if (ret) {
		YS_DBG("Error invalid LCD_BL pin: PG, err %d\n", LCD_BL);
		return ret;
	}
	YS_DBG("PB4 --> LCD_BL request OK\n");

	gpio_direction_output(LCD_RST, 1);
	gpio_direction_output(LCD_MOSI, 1);
	gpio_direction_output(LCD_CLK, 1);

	return 0;
}

void LCD_WRITE_DATA(unsigned int value)
{
	unsigned int i;
	st7701s_spi_sdi_1;
	st7701s_spi_scl_0;
	sunxi_lcd_delay_us(10);
	st7701s_spi_scl_1;
	for (i = 0; i < 8; i++) {
		sunxi_lcd_delay_us(10);
		if (value & 0x80)
			st7701s_spi_sdi_1;
		else
			st7701s_spi_sdi_0;
		value <<= 1;
		sunxi_lcd_delay_us(10);
		st7701s_spi_scl_0;
		st7701s_spi_scl_1;
	}
	sunxi_lcd_delay_us(10);
}

void LCD_WRITE_COMMAND(unsigned int value)
{
	unsigned int i;
	st7701s_spi_sdi_0;
	st7701s_spi_scl_0;
	sunxi_lcd_delay_us(10);
	st7701s_spi_scl_1;
	for (i = 0; i < 8; i++) {
		sunxi_lcd_delay_us(10);
		if (value & 0x80)
			st7701s_spi_sdi_1;
		else
			st7701s_spi_sdi_0;
		st7701s_spi_scl_0;
		sunxi_lcd_delay_us(10);
		st7701s_spi_scl_1;
		value <<= 1;
	}
	sunxi_lcd_delay_us(10);
}

void LCD_Init(void)
{
	YS_DBG("LCD Panel ST7701s init\n");
	SPI_Init();

	lcd_delay_ms(1000);

	gpio_direction_output(LCD_RST, 0);
	lcd_delay_ms(120);

	gpio_direction_output(LCD_RST, 1);
	lcd_delay_ms(120);

	LCD_WRITE_COMMAND(0xFF);
	LCD_WRITE_DATA(0x77);
	LCD_WRITE_DATA(0x01);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x10);

	LCD_WRITE_COMMAND(0xC0);
	LCD_WRITE_DATA(0x3B);
	LCD_WRITE_DATA(0x00);

	LCD_WRITE_COMMAND(0xC1);
	LCD_WRITE_DATA(0x0D);
	LCD_WRITE_DATA(0x02);

	LCD_WRITE_COMMAND(0xC2);
	LCD_WRITE_DATA(0x21);
	LCD_WRITE_DATA(0x08);

	LCD_WRITE_COMMAND(0xCD);
	LCD_WRITE_DATA(0x18); //0F 08-OK  D0-D18

	LCD_WRITE_COMMAND(0xB0);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x11);
	LCD_WRITE_DATA(0x18);
	LCD_WRITE_DATA(0x0E);
	LCD_WRITE_DATA(0x11);
	LCD_WRITE_DATA(0x06);
	LCD_WRITE_DATA(0x07);
	LCD_WRITE_DATA(0x08);
	LCD_WRITE_DATA(0x07);
	LCD_WRITE_DATA(0x22);
	LCD_WRITE_DATA(0x04);
	LCD_WRITE_DATA(0x12);
	LCD_WRITE_DATA(0x0F);
	LCD_WRITE_DATA(0xAA);
	LCD_WRITE_DATA(0x31);
	LCD_WRITE_DATA(0x18);

	LCD_WRITE_COMMAND(0xB1);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x11);
	LCD_WRITE_DATA(0x19);
	LCD_WRITE_DATA(0x0E);
	LCD_WRITE_DATA(0x12);
	LCD_WRITE_DATA(0x07);
	LCD_WRITE_DATA(0x08);
	LCD_WRITE_DATA(0x08);
	LCD_WRITE_DATA(0x08);
	LCD_WRITE_DATA(0x22);
	LCD_WRITE_DATA(0x04);
	LCD_WRITE_DATA(0x11);
	LCD_WRITE_DATA(0x11);
	LCD_WRITE_DATA(0xA9);
	LCD_WRITE_DATA(0x32);
	LCD_WRITE_DATA(0x18);

	LCD_WRITE_COMMAND(0xFF);
	LCD_WRITE_DATA(0x77);
	LCD_WRITE_DATA(0x01);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x11);

	LCD_WRITE_COMMAND(0xB0);
	LCD_WRITE_DATA(0x60);

	LCD_WRITE_COMMAND(0xB1);
	LCD_WRITE_DATA(0x30);

	LCD_WRITE_COMMAND(0xB2);
	LCD_WRITE_DATA(0x87);

	LCD_WRITE_COMMAND(0xB3);
	LCD_WRITE_DATA(0x80);

	LCD_WRITE_COMMAND(0xB5);
	LCD_WRITE_DATA(0x49);

	LCD_WRITE_COMMAND(0xB7);
	LCD_WRITE_DATA(0x85);

	LCD_WRITE_COMMAND(0xB8);
	LCD_WRITE_DATA(0x21);

	LCD_WRITE_COMMAND(0xC1);
	LCD_WRITE_DATA(0x78);

	LCD_WRITE_COMMAND(0xC2);
	LCD_WRITE_DATA(0x78);
	lcd_delay_ms(20);

	LCD_WRITE_COMMAND(0xE0);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x1B);
	LCD_WRITE_DATA(0x02);

	LCD_WRITE_COMMAND(0xE1);
	LCD_WRITE_DATA(0x08);
	LCD_WRITE_DATA(0xA0);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x07);
	LCD_WRITE_DATA(0xA0);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x44);
	LCD_WRITE_DATA(0x44);

	LCD_WRITE_COMMAND(0xE2);
	LCD_WRITE_DATA(0x11);
	LCD_WRITE_DATA(0x11);
	LCD_WRITE_DATA(0x44);
	LCD_WRITE_DATA(0x44);
	LCD_WRITE_DATA(0xED);
	LCD_WRITE_DATA(0xA0);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0xEC);
	LCD_WRITE_DATA(0xA0);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);

	LCD_WRITE_COMMAND(0xE3);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x11);
	LCD_WRITE_DATA(0x11);

	LCD_WRITE_COMMAND(0xE4);
	LCD_WRITE_DATA(0x44);
	LCD_WRITE_DATA(0x44);

	LCD_WRITE_COMMAND(0xE5);
	LCD_WRITE_DATA(0x0A);
	LCD_WRITE_DATA(0xE9);
	LCD_WRITE_DATA(0xD8);
	LCD_WRITE_DATA(0xA0);
	LCD_WRITE_DATA(0x0C);
	LCD_WRITE_DATA(0xEB);
	LCD_WRITE_DATA(0xD8);
	LCD_WRITE_DATA(0xA0);
	LCD_WRITE_DATA(0x0E);
	LCD_WRITE_DATA(0xED);
	LCD_WRITE_DATA(0xD8);
	LCD_WRITE_DATA(0xA0);
	LCD_WRITE_DATA(0x10);
	LCD_WRITE_DATA(0xEF);
	LCD_WRITE_DATA(0xD8);
	LCD_WRITE_DATA(0xA0);

	LCD_WRITE_COMMAND(0xE6);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x11);
	LCD_WRITE_DATA(0x11);

	LCD_WRITE_COMMAND(0xE7);
	LCD_WRITE_DATA(0x44);
	LCD_WRITE_DATA(0x44);

	LCD_WRITE_COMMAND(0xE8);
	LCD_WRITE_DATA(0x09);
	LCD_WRITE_DATA(0xE8);
	LCD_WRITE_DATA(0xD8);
	LCD_WRITE_DATA(0xA0);
	LCD_WRITE_DATA(0x0B);
	LCD_WRITE_DATA(0xEA);
	LCD_WRITE_DATA(0xD8);
	LCD_WRITE_DATA(0xA0);
	LCD_WRITE_DATA(0x0D);
	LCD_WRITE_DATA(0xEC);
	LCD_WRITE_DATA(0xD8);
	LCD_WRITE_DATA(0xA0);
	LCD_WRITE_DATA(0x0F);
	LCD_WRITE_DATA(0xEE);
	LCD_WRITE_DATA(0xD8);
	LCD_WRITE_DATA(0xA0);

	LCD_WRITE_COMMAND(0xEB);
	LCD_WRITE_DATA(0x02);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0xE4);
	LCD_WRITE_DATA(0xE4);
	LCD_WRITE_DATA(0x88);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x40);

	LCD_WRITE_COMMAND(0xEC);
	LCD_WRITE_DATA(0x3C);
	LCD_WRITE_DATA(0x00);

	LCD_WRITE_COMMAND(0xED);
	LCD_WRITE_DATA(0xAB);
	LCD_WRITE_DATA(0x89);
	LCD_WRITE_DATA(0x76);
	LCD_WRITE_DATA(0x54);
	LCD_WRITE_DATA(0x02);
	LCD_WRITE_DATA(0xFF);
	LCD_WRITE_DATA(0xFF);
	LCD_WRITE_DATA(0xFF);
	LCD_WRITE_DATA(0xFF);
	LCD_WRITE_DATA(0xFF);
	LCD_WRITE_DATA(0xFF);
	LCD_WRITE_DATA(0x20);
	LCD_WRITE_DATA(0x45);
	LCD_WRITE_DATA(0x67);
	LCD_WRITE_DATA(0x98);
	LCD_WRITE_DATA(0xBA);

	LCD_WRITE_COMMAND(0xFF);
	LCD_WRITE_DATA(0x77);
	LCD_WRITE_DATA(0x01);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);

	LCD_WRITE_COMMAND(0x3A);
	LCD_WRITE_DATA(0x66);

	LCD_WRITE_COMMAND(0x36);
	LCD_WRITE_DATA(0x00);

	LCD_WRITE_COMMAND(0x21);

	LCD_WRITE_COMMAND(0x11);
	lcd_delay_ms(120);

	LCD_WRITE_COMMAND(0x29);
	lcd_delay_ms(120);
}

#endif // _LCD_PANEL_INIT_H_
                G 1 条回复 最后回复 回复 引用 分享 0
                • G
                  gregrgr LV 5 @YuzukiTsuru 最后由 编辑

                  @yuzukitsuru SPI刷屏 FPS能到多少

                  YuzukiTsuru 1 条回复 最后回复 回复 引用 分享 0
                  • YuzukiTsuru
                    柚木 鉉 LV 9 @gregrgr 最后由 YuzukiTsuru 编辑

                    @gregrgr SPI初始化屏幕，设置屏幕参数模式，然后让屏幕进入RGB模式，使用RGB666刷屏.当然你也可以让屏幕进MIPI模式用MIPI刷。不是SPI刷屏，那不得慢死。测试刷720p的屏幕可以到60fps

                    1 条回复 最后回复 回复 引用 分享 0
                    • whycan
                      whycan晕哥 LV 9 最后由 编辑

                      10355ce8-bb19-4503-a0dd-f691016f9658-ad5ddd40355e4a6c4d66a19f2a40578.jpg

                      终于等到了你！

                      A D 2 条回复 最后回复 回复 引用 分享 0
                      • A
                        a32425262 LV 3 @whycan 最后由 编辑

                        @whycan 壳子哪里买的

                        1 条回复 最后回复 回复 引用 分享 0
                        • D
                          douzi LV 2 @whycan 最后由 编辑

                          @whycan 有多余的板子吗?我也想玩

                          whycan 1 条回复 最后回复 回复 引用 分享 0
                          • whycan
                            whycan晕哥 LV 9 @douzi 最后由 编辑

                            @douzi
                            目前我手里没有多余的，您可以自己打板焊接。

                            D 1 条回复 最后回复 回复 引用 分享 0
                            • D
                              douzi LV 2 @whycan 最后由 编辑

                              @whycan 打板和焊接都没问题,问题是就只有原理图我还得画板子，太慢了。
                              你那有PCB制板文件吗？

                              1 条回复 最后回复 回复 引用 分享 0
                              • whycan
                                whycan晕哥 LV 9 最后由 编辑

                                921abc963d3f111c2296854e02ab867.jpg

                                接上电源，显示屏正常，可是CP2104串口居然没有显示，折腾半天发现R67直接改成0R终于正常了．

                                ae4cd044-ed04-43d1-9464-71c2ddd25c64-image.png

                                E 1 条回复 最后回复 回复 引用 分享 0
                                • E
                                  emperg LV 4 @whycan 最后由 编辑

                                  @whycan 这个uboot初始化spi的代码要在uboot的哪个文件调用呢

                                  YuzukiTsuru 1 条回复 最后回复 回复 引用 分享 0
                                  • YuzukiTsuru
                                    柚木 鉉 LV 9 @emperg 最后由 编辑

                                    @emperg

                                    3457103c-ad71-41b3-b231-0ec2b679d199-image.png

                                    H 1 条回复 最后回复 回复 引用 分享 0
                                    • H
                                      hle999 LV 1 @YuzukiTsuru 最后由 编辑

                                      @yuzukitsuru 发下屏的购买连接

                                      1 条回复 最后回复 回复 引用 分享 0
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