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@@ -0,0 +1,603 @@
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+/*
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+ * File : drv_lcd.c
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+ * This file is part of RT-Thread RTOS
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+ * COPYRIGHT (C) 2009 RT-Thread Develop Team
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+ *
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+ * The license and distribution terms for this file may be
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+ * found in the file LICENSE in this distribution or at
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+ * http://www.rt-thread.org/license/LICENSE
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+ *
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+ * Change Logs:
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+ * Date Author Notes
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+ * 2017-06-08 tanek first implementation
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+ */
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+
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+#include "drv_lcd.h"
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+#include <finsh.h>
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+
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+//#define DEBUG
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+
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+#ifdef DEBUG
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+#define DEBUG_PRINTF(...) rt_kprintf(__VA_ARGS__)
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+#else
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+#define DEBUG_PRINTF(...)
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+#endif
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+
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+typedef struct
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+{
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+ rt_uint16_t width; //LCD 宽度
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+ rt_uint16_t height; //LCD 高度
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+ rt_uint16_t id; //LCD ID
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+ rt_uint8_t dir; //横屏还是竖屏控制:0,竖屏;1,横屏。
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+ rt_uint16_t wramcmd; //开始写gram指令
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+ rt_uint16_t setxcmd; //设置x坐标指令
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+ rt_uint16_t setycmd; //设置y坐标指令
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+} lcd_info_t;
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+
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+typedef struct
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+{
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+ volatile rt_uint16_t reg;
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+ volatile rt_uint16_t ram;
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+} lcd_ili9341_t;
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+
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+//使用NOR/SRAM的 Bank1.sector1,地址位HADDR[27,26]=00 A18作为数据命令区分线
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+//注意设置时STM32内部会右移一位对其!
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+#define LCD_ILI9341_BASE ((rt_uint32_t)(0x60000000 | 0x0007FFFE))
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+#define ili9341 ((lcd_ili9341_t *) LCD_ILI9341_BASE)
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+//////////////////////////////////////////////////////////////////////////////////
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+
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+//扫描方向定义
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+#define L2R_U2D 0 //从左到右,从上到下
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+#define L2R_D2U 1 //从左到右,从下到上
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+#define R2L_U2D 2 //从右到左,从上到下
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+#define R2L_D2U 3 //从右到左,从下到上
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+#define U2D_L2R 4 //从上到下,从左到右
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+#define U2D_R2L 5 //从上到下,从右到左
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+#define D2U_L2R 6 //从下到上,从左到右
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+#define D2U_R2L 7 //从下到上,从右到左
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+#define DFT_SCAN_DIR L2R_U2D //默认的扫描方向
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+
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+static lcd_info_t lcddev;
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+
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+void delay_us(rt_uint32_t nus)
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+{
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+ //rt_thread_delay(1);
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+ while (nus--) {
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+ __NOP();
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+ }
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+}
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+
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+void delay_ms(rt_uint32_t nms)
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+{
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+ //rt_thread_delay((RT_TICK_PER_SECOND * nms + 999) / 1000);
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+ while (nms--)
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+ {
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+ int i;
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+ for (i = 0; i < 10000; i++)
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+ {
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+ __NOP();
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+ }
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+ }
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+}
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+
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+static void ili9341_write_reg(rt_uint16_t regval)
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+{
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+ ili9341->reg = regval;
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+}
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+
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+static void ili9341_write_data(rt_uint16_t data)
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+{
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+ ili9341->ram = data;
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+}
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+
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+rt_uint16_t ili9341_read_ram(void)
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+{
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+ return ili9341->ram;
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+}
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+
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+static void ili9341_write_reg_with_value(rt_uint16_t reg, rt_uint16_t regValue)
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+{
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+ ili9341->reg = reg;
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+ ili9341->ram = regValue;
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+}
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+
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+static void ili9341_write_ram_prepare(void)
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+{
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+ ili9341->reg = lcddev.wramcmd;
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+}
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+
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+rt_uint16_t ili9341_bgr2rgb(rt_uint16_t value)
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+{
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+ rt_uint16_t red, green, blue;
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+
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+ blue = (value >> 0) & 0x1f;
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+ green = (value >> 5) & 0x3f;
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+ red = (value >> 11) & 0x1f;
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+
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+ return (blue << 11) + (green << 5) + (red << 0);
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+}
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+
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+static void ili9341_set_cursor(rt_uint16_t Xpos, rt_uint16_t Ypos)
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+{
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+ ili9341_write_reg(lcddev.setxcmd);
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+ ili9341_write_data(Xpos >> 8);
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+ ili9341_write_data(Xpos & 0XFF);
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+
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+ ili9341_write_reg(lcddev.setycmd);
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+ ili9341_write_data(Ypos >> 8);
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+ ili9341_write_data(Ypos & 0XFF);
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+}
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+
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+static void ili9341_set_scan_direction(rt_uint8_t dir)
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+{
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+ rt_uint16_t regval = 0;
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+ rt_uint16_t dirreg = 0;
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+ rt_uint16_t temp;
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+
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+ switch (dir)
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+ {
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+ case L2R_U2D://从左到右,从上到下
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+ regval |= (0 << 7) | (0 << 6) | (0 << 5);
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+ break;
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+ case L2R_D2U://从左到右,从下到上
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+ regval |= (1 << 7) | (0 << 6) | (0 << 5);
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+ break;
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+ case R2L_U2D://从右到左,从上到下
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+ regval |= (0 << 7) | (1 << 6) | (0 << 5);
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+ break;
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+ case R2L_D2U://从右到左,从下到上
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+ regval |= (1 << 7) | (1 << 6) | (0 << 5);
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+ break;
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+ case U2D_L2R://从上到下,从左到右
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+ regval |= (0 << 7) | (0 << 6) | (1 << 5);
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+ break;
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+ case U2D_R2L://从上到下,从右到左
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+ regval |= (0 << 7) | (1 << 6) | (1 << 5);
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+ break;
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+ case D2U_L2R://从下到上,从左到右
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+ regval |= (1 << 7) | (0 << 6) | (1 << 5);
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+ break;
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+ case D2U_R2L://从下到上,从右到左
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+ regval |= (1 << 7) | (1 << 6) | (1 << 5);
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+ break;
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+ }
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+
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+ dirreg = 0X36;
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+ ili9341_write_reg_with_value(dirreg, regval);
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+
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+ if (regval & 0X20)
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+ {
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+ if (lcddev.width < lcddev.height)//交换X,Y
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+ {
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+ temp = lcddev.width;
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+ lcddev.width = lcddev.height;
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+ lcddev.height = temp;
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+ }
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+ }
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+ else
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+ {
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+ if (lcddev.width > lcddev.height)//交换X,Y
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+ {
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+ temp = lcddev.width;
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+ lcddev.width = lcddev.height;
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+ lcddev.height = temp;
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+ }
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+ }
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+
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+ ili9341_write_reg(lcddev.setxcmd);
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+ ili9341_write_data(0);
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+ ili9341_write_data(0);
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+ ili9341_write_data((lcddev.width - 1) >> 8);
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+ ili9341_write_data((lcddev.width - 1) & 0XFF);
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+
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+ ili9341_write_reg(lcddev.setycmd);
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+ ili9341_write_data(0);
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+ ili9341_write_data(0);
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+ ili9341_write_data((lcddev.height - 1) >> 8);
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+ ili9341_write_data((lcddev.height - 1) & 0XFF);
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+}
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+
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+void ili9341_set_backlight(rt_uint8_t pwm)
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+{
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+ ili9341_write_reg(0xBE);
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+ ili9341_write_data(0x05);
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+ ili9341_write_data(pwm*2.55);
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+ ili9341_write_data(0x01);
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+ ili9341_write_data(0xFF);
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+ ili9341_write_data(0x00);
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+ ili9341_write_data(0x00);
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+}
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+
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+void ili9341_set_display_direction(rt_uint8_t dir)
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+{
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+ lcddev.dir = dir;
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+ if (dir == 0)
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+ {
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+ lcddev.width = 240;
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+ lcddev.height = 320;
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+ }
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+ else
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+ {
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+ lcddev.width = 320;
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+ lcddev.height = 240;
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+ }
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+
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+ lcddev.wramcmd = 0X2C;
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+ lcddev.setxcmd = 0X2A;
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+ lcddev.setycmd = 0X2B;
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+
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+ ili9341_set_scan_direction(DFT_SCAN_DIR);
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+}
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+
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+void HAL_SRAM_MspInit(SRAM_HandleTypeDef *hsram)
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+{
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+ GPIO_InitTypeDef GPIO_Initure;
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+
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+ __HAL_RCC_FMC_CLK_ENABLE();
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+ __HAL_RCC_GPIOD_CLK_ENABLE();
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+ __HAL_RCC_GPIOE_CLK_ENABLE();
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+
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+ //init PD0,1,4,5,7,8,9,10,13,14,15
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+ GPIO_Initure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_7 | GPIO_PIN_8 | \
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+ GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;
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+ GPIO_Initure.Mode = GPIO_MODE_AF_PP;
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+ GPIO_Initure.Pull = GPIO_PULLUP;
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+ GPIO_Initure.Speed = GPIO_SPEED_HIGH;
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+ GPIO_Initure.Alternate = GPIO_AF12_FMC;
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+ HAL_GPIO_Init(GPIOD, &GPIO_Initure);
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+
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+ //init PE7,8,9,10,11,12,13,14,15
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+ GPIO_Initure.Pin = GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 | \
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+ GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;
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+ HAL_GPIO_Init(GPIOE, &GPIO_Initure);
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+}
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+
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+SRAM_HandleTypeDef SRAM_Handler;
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+
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+void _lcd_low_level_init(void)
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+{
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+ GPIO_InitTypeDef GPIO_Initure;
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+
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+ FMC_NORSRAM_TimingTypeDef FMC_ReadWriteTim;
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+ FMC_NORSRAM_TimingTypeDef FMC_WriteTim;
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+
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+ __HAL_RCC_GPIOB_CLK_ENABLE();
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+ GPIO_Initure.Pin = GPIO_PIN_5;
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+ GPIO_Initure.Mode = GPIO_MODE_OUTPUT_PP;
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+ GPIO_Initure.Pull = GPIO_PULLUP;
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+ GPIO_Initure.Speed = GPIO_SPEED_HIGH;
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+ HAL_GPIO_Init(GPIOB, &GPIO_Initure);
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+
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+ SRAM_Handler.Instance = FMC_NORSRAM_DEVICE;
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+ SRAM_Handler.Extended = FMC_NORSRAM_EXTENDED_DEVICE;
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+
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+ SRAM_Handler.Init.NSBank = FMC_NORSRAM_BANK1;
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+ SRAM_Handler.Init.DataAddressMux = FMC_DATA_ADDRESS_MUX_DISABLE;
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+ SRAM_Handler.Init.MemoryType = FMC_MEMORY_TYPE_SRAM;
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+ SRAM_Handler.Init.MemoryDataWidth = FMC_NORSRAM_MEM_BUS_WIDTH_16;
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+ SRAM_Handler.Init.BurstAccessMode = FMC_BURST_ACCESS_MODE_DISABLE;
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+ SRAM_Handler.Init.WaitSignalPolarity = FMC_WAIT_SIGNAL_POLARITY_LOW;
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+ SRAM_Handler.Init.WaitSignalActive = FMC_WAIT_TIMING_BEFORE_WS;
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+ SRAM_Handler.Init.WriteOperation = FMC_WRITE_OPERATION_ENABLE;
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+ SRAM_Handler.Init.WaitSignal = FMC_WAIT_SIGNAL_DISABLE;
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+ SRAM_Handler.Init.ExtendedMode = FMC_EXTENDED_MODE_ENABLE;
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+ SRAM_Handler.Init.AsynchronousWait = FMC_ASYNCHRONOUS_WAIT_DISABLE;
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+ SRAM_Handler.Init.WriteBurst = FMC_WRITE_BURST_DISABLE;
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+ SRAM_Handler.Init.ContinuousClock = FMC_CONTINUOUS_CLOCK_SYNC_ASYNC;
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+
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+ FMC_ReadWriteTim.AddressSetupTime = 0x0F;
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+ FMC_ReadWriteTim.AddressHoldTime = 0x00;
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+ FMC_ReadWriteTim.DataSetupTime = 0x46;
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+ FMC_ReadWriteTim.AccessMode = FMC_ACCESS_MODE_A;
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+
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+ FMC_WriteTim.AddressSetupTime = 0x0F;
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+ FMC_WriteTim.AddressHoldTime = 0x00;
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+ FMC_WriteTim.DataSetupTime = 0x0F;
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+ FMC_WriteTim.AccessMode = FMC_ACCESS_MODE_A;
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+ HAL_SRAM_Init(&SRAM_Handler, &FMC_ReadWriteTim, &FMC_WriteTim);
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+ delay_ms(50);
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+
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+ ili9341_write_reg(0XD3);
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+ lcddev.id = ili9341_read_ram();
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+ lcddev.id = ili9341_read_ram();
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+ lcddev.id = ili9341_read_ram();
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+ lcddev.id <<= 8;
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+ lcddev.id |= ili9341_read_ram();
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+
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+ DEBUG_PRINTF(" LCD ID:%x\r\n", lcddev.id); //打印LCD ID
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+
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+ ili9341_write_reg(0xCF);
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+ ili9341_write_data(0x00);
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+ ili9341_write_data(0xC1);
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+ ili9341_write_data(0X30);
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+ ili9341_write_reg(0xED);
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+ ili9341_write_data(0x64);
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+ ili9341_write_data(0x03);
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+ ili9341_write_data(0X12);
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+ ili9341_write_data(0X81);
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+ ili9341_write_reg(0xE8);
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+ ili9341_write_data(0x85);
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+ ili9341_write_data(0x10);
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+ ili9341_write_data(0x7A);
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+ ili9341_write_reg(0xCB);
|
|
|
|
+ ili9341_write_data(0x39);
|
|
|
|
+ ili9341_write_data(0x2C);
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_data(0x34);
|
|
|
|
+ ili9341_write_data(0x02);
|
|
|
|
+ ili9341_write_reg(0xF7);
|
|
|
|
+ ili9341_write_data(0x20);
|
|
|
|
+ ili9341_write_reg(0xEA);
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_reg(0xC0); //Power control
|
|
|
|
+ ili9341_write_data(0x1B); //VRH[5:0]
|
|
|
|
+ ili9341_write_reg(0xC1); //Power control
|
|
|
|
+ ili9341_write_data(0x01); //SAP[2:0];BT[3:0]
|
|
|
|
+ ili9341_write_reg(0xC5); //VCM control
|
|
|
|
+ ili9341_write_data(0x30); //3F
|
|
|
|
+ ili9341_write_data(0x30); //3C
|
|
|
|
+ ili9341_write_reg(0xC7); //VCM control2
|
|
|
|
+ ili9341_write_data(0XB7);
|
|
|
|
+ ili9341_write_reg(0x36); // memory access control
|
|
|
|
+ ili9341_write_data(0x08); // change here
|
|
|
|
+ ili9341_write_reg(0x3A);
|
|
|
|
+ ili9341_write_data(0x55);
|
|
|
|
+ ili9341_write_reg(0xB1);
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_data(0x1A);
|
|
|
|
+ ili9341_write_reg(0xB6); //display function control
|
|
|
|
+ ili9341_write_data(0x0A);
|
|
|
|
+ ili9341_write_data(0xA2);
|
|
|
|
+ ili9341_write_reg(0xF2); //3gamma function disable
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_reg(0x26); //gamma curve selected
|
|
|
|
+ ili9341_write_data(0x01);
|
|
|
|
+ ili9341_write_reg(0xE0); //set gamma
|
|
|
|
+ ili9341_write_data(0x0F);
|
|
|
|
+ ili9341_write_data(0x2A);
|
|
|
|
+ ili9341_write_data(0x28);
|
|
|
|
+ ili9341_write_data(0x08);
|
|
|
|
+ ili9341_write_data(0x0E);
|
|
|
|
+ ili9341_write_data(0x08);
|
|
|
|
+ ili9341_write_data(0x54);
|
|
|
|
+ ili9341_write_data(0XA9);
|
|
|
|
+ ili9341_write_data(0x43);
|
|
|
|
+ ili9341_write_data(0x0A);
|
|
|
|
+ ili9341_write_data(0x0F);
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_reg(0XE1); //set gamma
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_data(0x15);
|
|
|
|
+ ili9341_write_data(0x17);
|
|
|
|
+ ili9341_write_data(0x07);
|
|
|
|
+ ili9341_write_data(0x11);
|
|
|
|
+ ili9341_write_data(0x06);
|
|
|
|
+ ili9341_write_data(0x2B);
|
|
|
|
+ ili9341_write_data(0x56);
|
|
|
|
+ ili9341_write_data(0x3C);
|
|
|
|
+ ili9341_write_data(0x05);
|
|
|
|
+ ili9341_write_data(0x10);
|
|
|
|
+ ili9341_write_data(0x0F);
|
|
|
|
+ ili9341_write_data(0x3F);
|
|
|
|
+ ili9341_write_data(0x3F);
|
|
|
|
+ ili9341_write_data(0x0F);
|
|
|
|
+ ili9341_write_reg(0x2B);
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_data(0x01);
|
|
|
|
+ ili9341_write_data(0x3f);
|
|
|
|
+ ili9341_write_reg(0x2A);
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_data(0x00);
|
|
|
|
+ ili9341_write_data(0xef);
|
|
|
|
+ ili9341_write_reg(0x11); //exit sleep
|
|
|
|
+ delay_ms(120);
|
|
|
|
+ ili9341_write_reg(0x29); //display on
|
|
|
|
+
|
|
|
|
+ FMC_Bank1E->BWTR[0] &= ~(0XF << 0);
|
|
|
|
+ FMC_Bank1E->BWTR[0] &= ~(0XF << 8);
|
|
|
|
+ FMC_Bank1E->BWTR[0] |= 4 << 0;
|
|
|
|
+ FMC_Bank1E->BWTR[0] |= 4 << 8;
|
|
|
|
+
|
|
|
|
+ ili9341_set_display_direction(0);
|
|
|
|
+ HAL_GPIO_WritePin(GPIOB, GPIO_PIN_5, GPIO_PIN_SET);
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+static rt_err_t lcd_init(rt_device_t dev)
|
|
|
|
+{
|
|
|
|
+ return RT_EOK;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+static rt_err_t lcd_open(rt_device_t dev, rt_uint16_t oflag)
|
|
|
|
+{
|
|
|
|
+ return RT_EOK;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+static rt_err_t lcd_close(rt_device_t dev)
|
|
|
|
+{
|
|
|
|
+ return RT_EOK;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+static rt_err_t lcd_control(rt_device_t dev, rt_uint8_t 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);
|
|
|
|
+
|
|
|
|
+ info->bits_per_pixel = 16;
|
|
|
|
+ info->pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565;
|
|
|
|
+ info->framebuffer = RT_NULL;
|
|
|
|
+ info->width = 240;
|
|
|
|
+ info->height = 320;
|
|
|
|
+ }
|
|
|
|
+ break;
|
|
|
|
+
|
|
|
|
+ case RTGRAPHIC_CTRL_RECT_UPDATE:
|
|
|
|
+ /* nothong to be done */
|
|
|
|
+ break;
|
|
|
|
+
|
|
|
|
+ default:
|
|
|
|
+ break;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ return RT_EOK;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+static void ili9341_lcd_set_pixel(const char* pixel, int x, int y)
|
|
|
|
+{
|
|
|
|
+ ili9341_set_cursor(x, y);
|
|
|
|
+ ili9341_write_ram_prepare();
|
|
|
|
+ ili9341->ram = *(uint16_t *)pixel;
|
|
|
|
+}
|
|
|
|
+#ifdef RT_USING_FINSH
|
|
|
|
+static void lcd_set_pixel(uint16_t color, int x, int y)
|
|
|
|
+{
|
|
|
|
+ rt_kprintf("lcd set pixel, color: %X, x: %d, y: %d", color, x, y);
|
|
|
|
+ ili9341_lcd_set_pixel((const char *)&color, x, y);
|
|
|
|
+}
|
|
|
|
+FINSH_FUNCTION_EXPORT(lcd_set_pixel, set pixel in lcd display);
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
+static void ili9341_lcd_get_pixel(char* pixel, int x, int y)
|
|
|
|
+{
|
|
|
|
+ rt_uint16_t red = 0;
|
|
|
|
+ rt_uint16_t green = 0;
|
|
|
|
+ rt_uint16_t blue = 0;
|
|
|
|
+
|
|
|
|
+ if (x >= lcddev.width || y >= lcddev.height)
|
|
|
|
+ {
|
|
|
|
+ *(rt_uint16_t*)pixel = 0;
|
|
|
|
+ return;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ ili9341_set_cursor(x, y);
|
|
|
|
+
|
|
|
|
+ ili9341_write_reg(0X2E);
|
|
|
|
+ ili9341_read_ram();
|
|
|
|
+ red = ili9341_read_ram();
|
|
|
|
+ delay_us(2);
|
|
|
|
+
|
|
|
|
+ blue = ili9341_read_ram();
|
|
|
|
+ green = red & 0XFF;
|
|
|
|
+
|
|
|
|
+ *(rt_uint16_t*)pixel = (((red >> 11) << 11) | ((green >> 10) << 5) | (blue >> 11));
|
|
|
|
+}
|
|
|
|
+#ifdef RT_USING_FINSH
|
|
|
|
+static void lcd_get_pixel(int x, int y)
|
|
|
|
+{
|
|
|
|
+ uint16_t pixel;
|
|
|
|
+ ili9341_lcd_get_pixel((char *)&pixel, x, y);
|
|
|
|
+ rt_kprintf("lcd get pixel, pixel: 0x%X, x: %d, y: %d", pixel, x, y);
|
|
|
|
+}
|
|
|
|
+FINSH_FUNCTION_EXPORT(lcd_get_pixel, get pixel in lcd display);
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
+static void ili9341_lcd_draw_hline(const char* pixel, int x1, int x2, int y)
|
|
|
|
+{
|
|
|
|
+ ili9341_set_cursor(x1, y);
|
|
|
|
+ ili9341_write_ram_prepare();
|
|
|
|
+
|
|
|
|
+ for (; x1 < x2; x1++)
|
|
|
|
+ {
|
|
|
|
+ ili9341->ram = *(uint16_t *)pixel;
|
|
|
|
+ }
|
|
|
|
+}
|
|
|
|
+#ifdef RT_USING_FINSH
|
|
|
|
+static void lcd_draw_hline(uint16_t pixel, int x1, int x2, int y)
|
|
|
|
+{
|
|
|
|
+ ili9341_lcd_draw_hline((const char *)&pixel, x1, x2, y);
|
|
|
|
+ rt_kprintf("lcd draw hline, pixel: 0x%X, x1: %d, x2: %d, y: %d", pixel, x1, x2, y);
|
|
|
|
+}
|
|
|
|
+FINSH_FUNCTION_EXPORT(lcd_draw_hline, draw hline in lcd display);
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
+static void ili9341_lcd_draw_vline(const char* pixel, int x, int y1, int y2)
|
|
|
|
+{
|
|
|
|
+ for (; y1 < y2; y1++)
|
|
|
|
+ {
|
|
|
|
+ ili9341_lcd_set_pixel(pixel, x, y1); //write red data
|
|
|
|
+ }
|
|
|
|
+}
|
|
|
|
+#ifdef RT_USING_FINSH
|
|
|
|
+static void lcd_draw_vline(uint16_t pixel, int x, int y1, int y2)
|
|
|
|
+{
|
|
|
|
+ ili9341_lcd_draw_vline((const char *)&pixel, x, y1, y2);
|
|
|
|
+ rt_kprintf("lcd draw hline, pixel: 0x%X, x: %d, y: %d", pixel, y1, y2);
|
|
|
|
+}
|
|
|
|
+FINSH_FUNCTION_EXPORT(lcd_draw_vline, draw vline in lcd display);
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
+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_cursor(x, y);
|
|
|
|
+ ili9341_write_ram_prepare();
|
|
|
|
+
|
|
|
|
+ while (size--)
|
|
|
|
+ {
|
|
|
|
+ ili9341->ram = *ptr++;
|
|
|
|
+ }
|
|
|
|
+}
|
|
|
|
+#ifdef RT_USING_FINSH
|
|
|
|
+#define LINE_LEN 30
|
|
|
|
+static void lcd_blit_line(int x, int y)
|
|
|
|
+{
|
|
|
|
+ uint16_t pixels[LINE_LEN];
|
|
|
|
+ int i;
|
|
|
|
+
|
|
|
|
+ for (i = 0; i < LINE_LEN; i++)
|
|
|
|
+ {
|
|
|
|
+ pixels[i] = i * 40 + 50;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ ili9341_lcd_blit_line((const char *)pixels, x, y, LINE_LEN);
|
|
|
|
+ rt_kprintf("lcd blit line, x: %d, y: %d", x, y);
|
|
|
|
+}
|
|
|
|
+FINSH_FUNCTION_EXPORT(lcd_blit_line, draw blit line in lcd display);
|
|
|
|
+#endif
|
|
|
|
+
|
|
|
|
+static int rt_hw_lcd_init(void)
|
|
|
|
+{
|
|
|
|
+ _lcd_low_level_init();
|
|
|
|
+
|
|
|
|
+ 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
|
|
|
|
+ };
|
|
|
|
+
|
|
|
|
+ /* register lcd device */
|
|
|
|
+ lcd_device.type = RT_Device_Class_Graphic;
|
|
|
|
+ lcd_device.init = lcd_init;
|
|
|
|
+ lcd_device.open = lcd_open;
|
|
|
|
+ lcd_device.close = lcd_close;
|
|
|
|
+ lcd_device.control = lcd_control;
|
|
|
|
+ lcd_device.read = RT_NULL;
|
|
|
|
+ lcd_device.write = RT_NULL;
|
|
|
|
+
|
|
|
|
+ lcd_device.user_data = &ili9341_ops;
|
|
|
|
+
|
|
|
|
+ /* register graphic device driver */
|
|
|
|
+ rt_device_register(&lcd_device, "lcd",
|
|
|
|
+ RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE);
|
|
|
|
+
|
|
|
|
+ return 0;
|
|
|
|
+}
|
|
|
|
+INIT_BOARD_EXPORT(rt_hw_lcd_init);
|