Merge pull request #1864 from xuzhuoyi/stm32f429-disco

STM32F429-DISCO 添加 I2C 和触摸屏支持

bsp/stm32f429-disco/.config

@@ -117,18 +117,24 @@ CONFIG_RT_USING_SERIAL=y
 # CONFIG_RT_USING_CAN is not set
 # CONFIG_RT_USING_HWTIMER is not set
 # CONFIG_RT_USING_CPUTIME is not set
-# CONFIG_RT_USING_I2C is not set
+CONFIG_RT_USING_I2C=y
+CONFIG_RT_USING_I2C_BITOPS=y
 CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_PWM is not set
 # CONFIG_RT_USING_MTD_NOR is not set
 # CONFIG_RT_USING_MTD_NAND is not set
+# CONFIG_RT_USING_MTD is not set
 # CONFIG_RT_USING_RTC is not set
 # CONFIG_RT_USING_SDIO is not set
 # CONFIG_RT_USING_SPI is not set
 # CONFIG_RT_USING_WDT is not set
-# CONFIG_RT_USING_WIFI is not set
 # CONFIG_RT_USING_AUDIO is not set
 
+#
+# Using WiFi
+#
+# CONFIG_RT_USING_WIFI is not set
+
 #
 # Using USB
 #
@@ -138,8 +144,13 @@ CONFIG_RT_USING_PIN=y
 #
 # POSIX layer and C standard library
 #
-# CONFIG_RT_USING_LIBC is not set
+CONFIG_RT_USING_LIBC=y
 # CONFIG_RT_USING_PTHREADS is not set
+CONFIG_RT_USING_POSIX=y
+# CONFIG_RT_USING_POSIX_MMAP is not set
+# CONFIG_RT_USING_POSIX_TERMIOS is not set
+# CONFIG_RT_USING_POSIX_AIO is not set
+# CONFIG_RT_USING_MODULE is not set
 
 #
 # Network
@@ -210,6 +221,7 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_NOPOLL is not set
 # CONFIG_PKG_USING_NETUTILS is not set
 # CONFIG_PKG_USING_AT_DEVICE is not set
+# CONFIG_PKG_USING_WIZNET is not set
 
 #
 # IoT Cloud
@@ -246,13 +258,12 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_EASYFLASH is not set
 # CONFIG_PKG_USING_EASYLOGGER is not set
 # CONFIG_PKG_USING_SYSTEMVIEW is not set
+# CONFIG_PKG_USING_RDB is not set
 
 #
 # system packages
 #
 # CONFIG_PKG_USING_GUIENGINE is not set
-# CONFIG_PKG_USING_GUIENGINE_V200 is not set
-# CONFIG_PKG_USING_GUIENGINE_LATEST_VERSION is not set
 # CONFIG_PKG_USING_CAIRO is not set
 # CONFIG_PKG_USING_PIXMAN is not set
 # CONFIG_PKG_USING_LWEXT4 is not set
@@ -261,18 +272,27 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_SQLITE is not set
 # CONFIG_PKG_USING_RTI is not set
 # CONFIG_PKG_USING_LITTLEVGL2RTT is not set
+# CONFIG_PKG_USING_LITTLEVGL2RTT_V001 is not set
+# CONFIG_PKG_USING_LITTLEVGL2RTT_LATEST_VERSION is not set
+# CONFIG_LV_MEM_STATIC is not set
+# CONFIG_LV_MEM_DYNAMIC is not set
+# CONFIG_LV_COLOR_DEPTH_1 is not set
+# CONFIG_LV_COLOR_DEPTH_8 is not set
+# CONFIG_LV_COLOR_DEPTH_16 is not set
+# CONFIG_LV_COLOR_DEPTH_24 is not set
+# CONFIG_PKG_USING_CMSIS is not set
+# CONFIG_PKG_USING_DFS_YAFFS is not set
 
 #
 # peripheral libraries and drivers
 #
-# CONFIG_PKG_USING_STM32F4_HAL is not set
-# CONFIG_PKG_USING_STM32F4_DRIVERS is not set
 # CONFIG_PKG_USING_REALTEK_AMEBA is not set
 # CONFIG_PKG_USING_SHT2X is not set
 # CONFIG_PKG_USING_AHT10 is not set
 # CONFIG_PKG_USING_AP3216C is not set
 # CONFIG_PKG_USING_STM32_SDIO is not set
 # CONFIG_PKG_USING_ICM20608 is not set
+# CONFIG_PKG_USING_U8G2 is not set
 
 #
 # miscellaneous packages
@@ -303,8 +323,11 @@ CONFIG_RT_USING_PIN=y
 # example package: hello
 #
 # CONFIG_PKG_USING_HELLO is not set
+CONFIG_RT_USING_ILI9341_LCD=y
+CONFIG_RT_USING_STMPE811_TOUCH=y
 CONFIG_RT_USING_EXT_SDRAM=y
 CONFIG_RT_USING_UART1=y
 # CONFIG_RT_USING_UART2 is not set
 # CONFIG_RT_USING_UART3 is not set
 # CONFIG_RT_USING_SPI5 is not set
+CONFIG_RT_USING_I2C3=y

bsp/stm32f429-disco/applications/application.c

@@ -1,11 +1,7 @@
 /*
- * File      : application.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Development Team
+ * Copyright (c) 2006-2018, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
@@ -32,8 +28,11 @@
 #include <gdb_stub.h>
 #endif
 
+
 void rt_init_thread_entry(void* parameter)
 {
+    rt_thread_t tid;
+    
     /* GDB STUB */
 #ifdef RT_USING_GDB
     gdb_set_device("uart6");
@@ -57,7 +56,7 @@ void rt_init_thread_entry(void* parameter)
 #endif
     
     rt_components_init();
-
+                                      
 }
 
 int rt_application_init()

bsp/stm32f429-disco/applications/startup.c

@@ -1,11 +1,7 @@
 /*
- * File      : startup.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Develop Team
+ * Copyright (c) 2006-2018, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://openlab.rt-thread.com/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes

bsp/stm32f429-disco/drivers/Kconfig

@@ -1,3 +1,13 @@
+config RT_USING_ILI9341_LCD
+    bool "Enable LCD on the board"
+    default y
+    select RT_USING_EXT_SDRAM
+
+config RT_USING_STMPE811_TOUCH
+    bool "Enable Touchscreen on the board"
+    default y
+    select RT_USING_I2C3
+
 config RT_USING_EXT_SDRAM
     bool "Enable SDRAM on the board"
     default y
@@ -16,4 +26,10 @@ config RT_USING_UART3
 
 config RT_USING_SPI5
     bool "Enable SPI5"
-    default n     
+    default n
+
+config RT_USING_I2C3
+    bool "Enable I2C3"
+    default y
+    select RT_USING_I2C
+    select RT_USING_I2C_BITOPS    

bsp/stm32f429-disco/drivers/SConscript

@@ -9,10 +9,20 @@ src = Split("""
 board.c
 stm32f4xx_it.c
 usart.c
-drv_sdram.c
-drv_lcd.c
 """)
 
+if GetDepend(['RT_USING_EXT_SDRAM']):
+    src += ['drv_sdram.c']
+
+if GetDepend(['RT_USING_I2C']):
+    src += ['drv_i2c.c']
+
+if GetDepend(['RT_USING_ILI9341_LCD']):
+    src += ['drv_lcd.c']
+
+if GetDepend(['RT_USING_STMPE811_TOUCH']):
+    src += ['drv_touch.c']
+
 CPPPATH = [cwd]
 
 group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)

bsp/stm32f429-disco/drivers/board.c

@@ -1,16 +1,13 @@
 /*
- * File      : board.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009 RT-Thread Develop Team
+ * Copyright (c) 2006-2018, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
  * 2009-01-05     Bernard      first implementation
  */
+
 #include <stdint.h>
 #include <rthw.h>
 #include <rtthread.h>

bsp/stm32f429-disco/drivers/board.h

@@ -1,11 +1,7 @@
 /*
- * File      : board.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009, RT-Thread Development Team
+ * Copyright (c) 2006-2018, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes

bsp/stm32f429-disco/drivers/drv_i2c.c

@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2017-06-05     tanek        first implementation.
+ */
+ 
+#include "drv_i2c.h"
+
+#include <board.h>
+#include <finsh.h>
+#include <rtdevice.h>
+#include <rthw.h>
+
+#define DEBUG
+
+#ifdef DEBUG
+#define DEBUG_PRINTF(...)   rt_kprintf(__VA_ARGS__)
+#else
+#define DEBUG_PRINTF(...)   
+#endif
+
+static void stm32f4_i2c_gpio_init()
+{
+	GPIO_InitTypeDef GPIO_Initure;
+
+	__HAL_RCC_GPIOA_CLK_ENABLE();
+	__HAL_RCC_GPIOC_CLK_ENABLE();
+    
+	GPIO_Initure.Pin = GPIO_PIN_8;
+	GPIO_Initure.Mode = GPIO_MODE_OUTPUT_OD;
+	GPIO_Initure.Pull = GPIO_PULLUP;
+	GPIO_Initure.Speed = GPIO_SPEED_FAST;
+	HAL_GPIO_Init(GPIOA, &GPIO_Initure);
+	
+	GPIO_Initure.Pin = GPIO_PIN_9;
+	GPIO_Initure.Mode = GPIO_MODE_OUTPUT_OD;
+	GPIO_Initure.Pull = GPIO_PULLUP;
+	GPIO_Initure.Speed = GPIO_SPEED_FAST;
+	HAL_GPIO_Init(GPIOC, &GPIO_Initure);
+    
+    HAL_GPIO_WritePin(GPIOA, GPIO_PIN_8, GPIO_PIN_SET);
+    HAL_GPIO_WritePin(GPIOC, GPIO_PIN_9, GPIO_PIN_SET);
+}
+
+static void stm32f4_set_sda(void *data, rt_int32_t state)
+{
+	HAL_GPIO_WritePin(GPIOC, GPIO_PIN_9, (GPIO_PinState)state);
+}
+
+static void stm32f4_set_scl(void *data, rt_int32_t state)
+{
+	HAL_GPIO_WritePin(GPIOA, GPIO_PIN_8, (GPIO_PinState)state);
+}
+
+static rt_int32_t  stm32f4_get_sda(void *data)
+{
+	return (rt_int32_t)HAL_GPIO_ReadPin(GPIOC, GPIO_PIN_9);
+}
+
+static rt_int32_t  stm32f4_get_scl(void *data)
+{
+	return (rt_int32_t)HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_8);
+}
+
+static void stm32f4_udelay(rt_uint32_t us)
+{
+	rt_int32_t i;
+	for (; us > 0; us--)
+	{
+		i = 50;
+		while (i > 0)
+		{
+			i--;
+		}
+	}
+}
+
+static const struct rt_i2c_bit_ops bit_ops = {
+	RT_NULL,
+	stm32f4_set_sda,
+	stm32f4_set_scl,
+	stm32f4_get_sda,
+	stm32f4_get_scl,
+
+	stm32f4_udelay,
+
+	5,
+	100
+};
+
+int stm32f4_i2c_init(void)
+{
+	struct rt_i2c_bus_device *bus;
+
+	bus = rt_malloc(sizeof(struct rt_i2c_bus_device));
+	if (bus == RT_NULL)
+	{
+		rt_kprintf("rt_malloc failed\n");
+		return -RT_ENOMEM;
+	}
+
+	rt_memset((void *)bus, 0, sizeof(struct rt_i2c_bus_device));
+
+	bus->priv = (void *)&bit_ops;
+
+	stm32f4_i2c_gpio_init();
+
+	rt_i2c_bit_add_bus(bus, "i2c3");
+
+	return RT_EOK;
+}
+INIT_DEVICE_EXPORT(stm32f4_i2c_init);

bsp/stm32f429-disco/drivers/drv_i2c.h

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ 
+ * Change Logs:
+ * Date           Author       Notes
+ * 2017-06-05     tanek        first implementation.
+ */
+
+#ifndef STM32F4XX_IIC_INCLUDED
+#define STM32F4XX_IIC_INCLUDED
+
+#include <rtthread.h>
+#include <drivers/spi.h>
+
+#include "stm32f4xx_hal.h"
+
+
+#endif // STM32F20X_40X_SPI_H_INCLUDED

bsp/stm32f429-disco/drivers/drv_lcd.c

@@ -1,11 +1,7 @@
 /*
- * File      : drv_lcd.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009 RT-Thread Develop Team
+ * Copyright (c) 2006-2018, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
@@ -25,13 +21,13 @@
 
 typedef struct
 {
-	rt_uint16_t width;			//LCD 宽度
-	rt_uint16_t height;			//LCD 高度
-	rt_uint16_t id;				//LCD ID
-	rt_uint8_t  dir;			//横屏还是竖屏控制：0，竖屏；1，横屏。	
-	rt_uint16_t	wramcmd;		//开始写gram指令
-	rt_uint16_t setxcmd;		//设置x坐标指令
-	rt_uint16_t setycmd;		//设置y坐标指令 
+	rt_uint16_t width;
+	rt_uint16_t height;
+	rt_uint16_t id;
+	rt_uint8_t  dir;			//Horizontal or vertical screen control: 0, vertical; 1, horizontal 	
+	rt_uint16_t wramcmd;
+	rt_uint16_t setxcmd;
+	rt_uint16_t setycmd; 
 } lcd_info_t;
 
 typedef struct
@@ -40,22 +36,20 @@ typedef struct
 	volatile rt_uint16_t ram;
 } lcd_ili9341_t;
 
-//使用NOR/SRAM的 Bank1.sector1,地址位HADDR[27,26]=00 A18作为数据命令区分线 
-//注意设置时STM32内部会右移一位对其!
 #define LCD_ILI9341_BASE        ((rt_uint32_t)(0x60000000 | 0x0007FFFE))
 #define ili9341					((lcd_ili9341_t *) LCD_ILI9341_BASE)
 //////////////////////////////////////////////////////////////////////////////////
 
-//扫描方向定义
-#define L2R_U2D  0 		//从左到右,从上到下
-#define L2R_D2U  1 		//从左到右,从下到上
-#define R2L_U2D  2 		//从右到左,从上到下
-#define R2L_D2U  3 		//从右到左,从下到上
-#define U2D_L2R  4 		//从上到下,从左到右
-#define U2D_R2L  5 		//从上到下,从右到左
-#define D2U_L2R  6 		//从下到上,从左到右
-#define D2U_R2L  7		//从下到上,从右到左	 
-#define DFT_SCAN_DIR  L2R_U2D  //默认的扫描方向
+//Definition of scan direction 
+#define L2R_U2D  0
+#define L2R_D2U  1
+#define R2L_U2D  2
+#define R2L_D2U  3
+#define U2D_L2R  4
+#define U2D_R2L  5
+#define D2U_L2R  6
+#define D2U_R2L  7	 
+#define DFT_SCAN_DIR  L2R_U2D
 
 static lcd_info_t lcddev;
 LTDC_HandleTypeDef  LtdcHandler;
@@ -734,108 +728,6 @@ rt_uint16_t ili9341_bgr2rgb(rt_uint16_t value)
 
 	return (blue << 11) + (green << 5) + (red << 0);
 }
-  	   
-//static void ili9341_set_scan_direction(rt_uint8_t dir)
-//{
-//	rt_uint16_t regval = 0;
-//	rt_uint16_t dirreg = 0;
-//	rt_uint16_t temp;
-
-//	switch (dir)
-//	{
-//	case L2R_U2D://从左到右,从上到下
-//		regval |= (0 << 7) | (0 << 6) | (0 << 5);
-//		break;
-//	case L2R_D2U://从左到右,从下到上
-//		regval |= (1 << 7) | (0 << 6) | (0 << 5);
-//		break;
-//	case R2L_U2D://从右到左,从上到下
-//		regval |= (0 << 7) | (1 << 6) | (0 << 5);
-//		break;
-//	case R2L_D2U://从右到左,从下到上
-//		regval |= (1 << 7) | (1 << 6) | (0 << 5);
-//		break;
-//	case U2D_L2R://从上到下,从左到右
-//		regval |= (0 << 7) | (0 << 6) | (1 << 5);
-//		break;
-//	case U2D_R2L://从上到下,从右到左
-//		regval |= (0 << 7) | (1 << 6) | (1 << 5);
-//		break;
-//	case D2U_L2R://从下到上,从左到右
-//		regval |= (1 << 7) | (0 << 6) | (1 << 5);
-//		break;
-//	case D2U_R2L://从下到上,从右到左
-//		regval |= (1 << 7) | (1 << 6) | (1 << 5);
-//		break;
-//	}
-
-//	dirreg = 0X36;
-//	ili9341_write_reg_with_value(dirreg, regval);
-
-//	if (regval & 0X20)
-//	{
-//		if (lcddev.width < lcddev.height)//交换X,Y
-//		{
-//			temp = lcddev.width;
-//			lcddev.width = lcddev.height;
-//			lcddev.height = temp;
-//		}
-//	}
-//	else
-//	{
-//		if (lcddev.width > lcddev.height)//交换X,Y
-//		{
-//			temp = lcddev.width;
-//			lcddev.width = lcddev.height;
-//			lcddev.height = temp;
-//		}
-//	}
-//	
-//	ili9341_write_reg(lcddev.setxcmd);
-//	ili9341_write_data(0);
-//	ili9341_write_data(0);
-//	ili9341_write_data((lcddev.width - 1) >> 8);
-//	ili9341_write_data((lcddev.width - 1) & 0XFF);
-
-//	ili9341_write_reg(lcddev.setycmd);
-//	ili9341_write_data(0);
-//	ili9341_write_data(0);
-//	ili9341_write_data((lcddev.height - 1) >> 8);
-//	ili9341_write_data((lcddev.height - 1) & 0XFF);
-//}
-
-//void ili9341_set_backlight(rt_uint8_t pwm)
-//{
-//	ili9341_write_reg(0xBE);
-//	ili9341_write_data(0x05);
-//	ili9341_write_data(pwm*2.55);
-//	ili9341_write_data(0x01);
-//	ili9341_write_data(0xFF);
-//	ili9341_write_data(0x00);
-//	ili9341_write_data(0x00);
-//}
-
-//void ili9341_set_display_direction(rt_uint8_t dir)
-//{
-//	lcddev.dir = dir;
-//	if (dir == 0)
-//	{
-//		lcddev.width = 240;
-//		lcddev.height = 320;
-//	}
-//	else
-//	{
-//		lcddev.width = 320;
-//		lcddev.height = 240;
-//	}
-
-//	lcddev.wramcmd = 0X2C;
-//	lcddev.setxcmd = 0X2A;
-//	lcddev.setycmd = 0X2B;
-
-//	ili9341_set_scan_direction(DFT_SCAN_DIR);
-//}
-
 
 void _lcd_low_level_init(void)
 {
@@ -906,7 +798,7 @@ static rt_err_t lcd_control(rt_device_t dev, int cmd, void *args)
 
 		info->bits_per_pixel = 16;
 		info->pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565;
-		info->framebuffer = RT_NULL;
+		info->framebuffer = (rt_uint8_t *)LtdcHandler.LayerCfg[ActiveLayer].FBStartAdress;
 		info->width = 240;
 		info->height = 320;
 	}

bsp/stm32f429-disco/drivers/drv_lcd.h

@@ -1,3 +1,13 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-09-13     xuzhuoyi     first implementation
+ */
+
 #ifndef __DRV_LCD_H__
 #define __DRV_LCD_H__		
 

bsp/stm32f429-disco/drivers/drv_sdram.c

@@ -1,21 +1,7 @@
 /*
- * File      : drv_sdram.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2016, RT-Thread Development Team
+ * Copyright (c) 2006-2018, RT-Thread Development Team
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes

bsp/stm32f429-disco/drivers/drv_sdram.h

@@ -1,11 +1,7 @@
 /*
- * File      : drv_sdram.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2016 RT-Thread Develop Team
+ * Copyright (c) 2006-2018, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes

bsp/stm32f429-disco/drivers/drv_touch.c

@@ -0,0 +1,226 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-10-03     xuzhuoyi     first implementation.
+ */
+
+#include "drv_touch.h"
+#include "drivers/i2c.h"
+
+#ifdef PKG_USING_LITTLEVGL2RTT
+#include "littlevgl2rtt.h"
+#endif
+
+
+#define TSC_I2C_ADDR    0x41            /* 7-bit I2C address                  */
+
+static struct rt_i2c_bus_device *stmpe811_i2c_bus;
+
+
+/**
+  \fn          int32_t touch_readRegister (uint8_t reg, uint8_t *val)
+  \brief       Read register value from Touchscreen controller
+  \param[in]   reg    Register address
+  \param[out]  val    Pointer where data will be read from register
+  \returns
+   - \b  0: function succeeded
+   - \b -1: function failed
+*/
+static int32_t touch_read (uint8_t reg, uint8_t *val)
+{
+    struct rt_i2c_msg msgs[2];
+
+    msgs[0].addr  = TSC_I2C_ADDR;
+    msgs[0].flags = RT_I2C_WR;
+    msgs[0].buf   = ®
+    msgs[0].len   = 1;
+
+    msgs[1].addr  = TSC_I2C_ADDR;
+    msgs[1].flags = RT_I2C_RD;
+    msgs[1].buf   = val;
+    msgs[1].len   = 1;
+
+    if (rt_i2c_transfer(stmpe811_i2c_bus, msgs, 2) == 2)
+    {
+        return RT_EOK;
+    }
+    else
+    {
+        return -RT_ERROR;
+    }
+
+}
+
+/**
+  \fn          int32_t touch_writeData (uint8_t reg, const uint8_t *val)
+  \brief       Write value to Touchscreen controller register
+  \param[in]   reg    Register address
+  \param[in]   val    Pointer with data to write to register
+  \returns
+   - \b  0: function succeeded
+   - \b -1: function failed
+*/
+static int32_t touch_write(uint8_t reg, uint8_t val)
+{
+    struct rt_i2c_msg msgs;
+    rt_uint8_t buf[2] = {reg, val};
+
+    msgs.addr  = TSC_I2C_ADDR;
+    msgs.flags = RT_I2C_WR;
+    msgs.buf   = buf;
+    msgs.len   = 2;
+
+    if (rt_i2c_transfer(stmpe811_i2c_bus, &msgs, 1) == 1)
+    {
+    return RT_EOK;
+    }
+    else
+    {
+    return -RT_ERROR;
+    }
+
+}
+
+
+/**
+  \fn          int32_t Touch_Initialize (void)
+  \brief       Initialize touchscreen
+  \returns
+   - \b  0: function succeeded
+   - \b -1: function failed
+*/
+static rt_err_t stmpe811_touch_init(rt_device_t dev)
+{
+    stmpe811_i2c_bus = rt_i2c_bus_device_find("touch");
+
+//    ptrI2C->Initialize  (NULL);
+//    ptrI2C->PowerControl(ARM_POWER_FULL);
+//    ptrI2C->Control     (ARM_I2C_BUS_SPEED, ARM_I2C_BUS_SPEED_FAST);
+//    ptrI2C->Control     (ARM_I2C_BUS_CLEAR, 0);
+
+    touch_write(STMPE811_SYS_CTRL1,      0x02); /* Reset Touch-screen controller */
+    rt_thread_mdelay(10);                              /* Wait 10ms                     */
+
+
+    touch_write(STMPE811_SYS_CTRL2,      0x0C); /* Enable TSC and ADC            */
+    touch_write(STMPE811_ADC_CTRL1,      0x68); /* Set sample time , 12-bit mode */
+    rt_thread_mdelay(1);                               /* Wait 1ms                      */
+
+    touch_write(STMPE811_ADC_CTRL2,      0x01); /* ADC frequency 3.25 MHz        */
+    touch_write(STMPE811_TSC_CFG,        0xC2); /* Detect delay 10us,
+                                                 Settle time 500us             */
+    touch_write(STMPE811_FIFO_TH,        0x01); /* Threshold for FIFO            */
+    touch_write(STMPE811_FIFO_STA,       0x01); /* FIFO reset                    */
+    touch_write(STMPE811_FIFO_STA,       0x00); /* FIFO not reset                */
+    touch_write(STMPE811_TSC_FRACTION_Z, 0x07); /* Fraction z                    */
+    touch_write(STMPE811_TSC_I_DRIVE,    0x01); /* Drive 50 mA typical           */
+    touch_write(STMPE811_GPIO_AF,        0x00); /* Pins are used for touchscreen */
+    touch_write(STMPE811_TSC_CTRL,       0x01); /* Enable TSC                    */
+
+    return 0;
+}
+
+/**
+  \fn          int32_t Touch_Uninitialize (void)
+  \brief       De-initialize touchscreen
+  \returns
+   - \b  0: function succeeded
+   - \b -1: function failed
+*/
+int32_t touch_uninitialize (void) {
+  touch_write(STMPE811_SYS_CTRL1, 0x02);  /* Reset Touch-screen controller    */
+  return 0;
+}
+
+/**
+  \fn          int32_t Touch_GetState (TOUCH_STATE *pState)
+  \brief       Get touchscreen state
+  \param[out]  pState  pointer to TOUCH_STATE structure
+  \returns
+   - \b  0: function succeeded
+   - \b -1: function failed
+*/
+int32_t touch_get_state(struct touch_state *state)
+{
+    uint8_t val;
+    uint8_t num;
+    uint8_t xyz[4];
+    int32_t res;
+    struct rt_i2c_msg msgs[2];
+
+    /* Read touch status */
+    res = touch_read(STMPE811_TSC_CTRL, &val);
+    if (res < 0) return -1;
+    state->pressed = (val & (1 << 7)) ? 1 : 0;
+  
+    if (state->pressed)
+    {
+        val = STMPE811_TSC_DATA;
+
+        /* If FIFO overflow, discard all samples except the last one */
+        res = touch_read(STMPE811_FIFO_SIZE, &num);
+        if (res < 0 || num == 0) return -1;
+
+        while (num--)
+        {
+            msgs[0].addr  = TSC_I2C_ADDR;
+            msgs[0].flags = RT_I2C_WR;
+            msgs[0].buf   = &val;
+            msgs[0].len   = 1;
+
+            //rt_i2c_transfer(stmpe811_i2c_bus, &msgs, 1);
+          //ptrI2C->MasterTransmit (TSC_I2C_ADDR, &val, 1, true);
+          //while (ptrI2C->GetStatus().busy);
+            msgs[1].addr  = TSC_I2C_ADDR;
+            msgs[1].flags = RT_I2C_RD;
+            msgs[1].buf   = xyz;
+            msgs[1].len   = 4;
+            rt_i2c_transfer(stmpe811_i2c_bus, msgs, 2);
+          //ptrI2C->MasterReceive (TSC_I2C_ADDR, xyz, 4, false);
+          //while (ptrI2C->GetStatus().busy);
+        }
+        state->x =  (int16_t)((xyz[0] << 4) | ((xyz[1] & 0xF0) >> 4));
+        state->y =  (int16_t) (xyz[2]       | ((xyz[1] & 0x0F) << 8));
+    }
+    else
+    {
+        /* Clear all data in FIFO */
+        touch_write(STMPE811_FIFO_STA, 0x1);
+        touch_write(STMPE811_FIFO_STA, 0x0);
+    }
+
+    return 0;
+}
+
+void touch_show_state()
+{
+    int16_t x;
+    int16_t y;
+    struct touch_state ts;
+    touch_get_state(&ts);
+    x = (3706 - ts.x) / 14;
+    y = (-461 + ts.y) / 10.5;
+    rt_kprintf("[drv_touch] touch_show_state, x: %d, y: %d, pressed: %d, padding: %d\n", ts.x , ts.y, ts.pressed, ts.padding);
+    rt_kprintf("[drv_touch] touch_show_state, phy x: %d, phy y: %d\n", x , y);
+}
+MSH_CMD_EXPORT(touch_show_state, show screen coordinate in touching);
+
+static int rt_hw_touch_init(void)
+{
+    static struct rt_device touch;
+
+    /* init device structure */
+    touch.type = RT_Device_Class_Unknown;
+    touch.init = stmpe811_touch_init;
+    touch.user_data = RT_NULL;
+
+    /* register touch device to RT-Thread */
+    rt_device_register(&touch, "touch", RT_DEVICE_FLAG_RDWR);
+    
+    return RT_EOK;
+}
+INIT_BOARD_EXPORT(rt_hw_touch_init);

bsp/stm32f429-disco/drivers/drv_touch.h

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-10-03     xuzhuoyi     first implementation.
+ */
+
+#ifndef __DRV_TOUCH_H__
+#define __DRV_TOUCH_H__
+
+#include <stdint.h>
+
+/* Register addresses */
+#define STMPE811_CHIP_ID        0x00
+#define STMPE811_ID_VER         0x02
+#define STMPE811_SYS_CTRL1      0x03
+#define STMPE811_SYS_CTRL2      0x04
+#define STMPE811_SPI_CFG        0x08
+#define STMPE811_INT_CTRL       0x09
+#define STMPE811_INT_EN         0x0A
+#define STMPE811_INT_STA        0x0B
+#define STMPE811_GPIO_EN        0x0C
+#define STMPE811_GPIO_INT_STA   0x0D
+#define STMPE811_ADC_INT_EN     0x0E
+#define STMPE811_ADC_INT_STA    0x0F
+#define STMPE811_GPIO_SET_PIN   0x10
+#define STMPE811_GPIO_CLR_PIN   0x11
+#define STMPE811_GPIO_MP_STA    0x12
+#define STMPE811_GPIO_DIR       0x13
+#define STMPE811_GPIO_ED        0x14
+#define STMPE811_GPIO_RE        0x15
+#define STMPE811_GPIO_FE        0x16
+#define STMPE811_GPIO_AF        0x17
+#define STMPE811_ADC_CTRL1      0x20
+#define STMPE811_ADC_CTRL2      0x21
+#define STMPE811_ADC_CAPT       0x22
+#define STMPE811_ADC_DATA_CH0   0x30
+#define STMPE811_ADC_DATA_CH1   0x32
+#define STMPE811_ADC_DATA_CH2   0x34
+#define STMPE811_ADC_DATA_CH3   0x36
+#define STMPE811_ADC_DATA_CH4   0x38
+#define STMPE811_ADC_DATA_CH5   0x3A
+#define STMPE811_ADC_DATA_CH6   0x3C
+#define STMPE811_ADC_DATA_CH7   0x3E
+#define STMPE811_TSC_CTRL       0x40
+#define STMPE811_TSC_CFG        0x41
+#define STMPE811_WDW_TR_X       0x42
+#define STMPE811_WDW_TR_Y       0x44
+#define STMPE811_WDW_BL_X       0x46
+#define STMPE811_WDW_BL_Y       0x48
+#define STMPE811_FIFO_TH        0x4A
+#define STMPE811_FIFO_STA       0x4B
+#define STMPE811_FIFO_SIZE      0x4C
+#define STMPE811_TSC_DATA_X     0x4D
+#define STMPE811_TSC_DATA_Y     0x4F
+#define STMPE811_TSC_DATA_Z     0x51
+#define STMPE811_TSC_FRACTION_Z 0x56
+#define STMPE811_TSC_DATA_XYZ   0x57
+#define STMPE811_TSC_DATA       0xD7
+#define STMPE811_TSC_I_DRIVE    0x58
+#define STMPE811_TSC_SHIELD     0x59
+#define STMPE811_TEMP_CTRL      0x60
+#define STMPE811_TEMP_DATA      0x61
+#define STMPE811_TEMP_TH        0x62
+
+/* Touch state */
+struct touch_state {
+  int16_t x;                            ///< Position X
+  int16_t y;                            ///< Position Y
+  uint8_t pressed;                      ///< Pressed flag
+  uint8_t padding;
+};
+
+int32_t touch_get_state(struct touch_state *state);
+
+#endif /* __DRV_TOUCH_H__ */

bsp/stm32f429-disco/drivers/usart.c

@@ -1,11 +1,7 @@
 /*
- * File      : usart.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009, RT-Thread Development Team
+ * Copyright (c) 2006-2018, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes

bsp/stm32f429-disco/drivers/usart.h

@@ -1,11 +1,7 @@
 /*
- * File      : usart.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009, RT-Thread Development Team
+ * Copyright (c) 2006-2018, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes

bsp/stm32f429-disco/readme.md

@@ -20,6 +20,8 @@ STM32F429I-DISCOVERY 开发板使用高性能 MCU STM32F429，可以用于实现
 |LED| 6 个 |
 |按键| 2 个 |
 
+本 BSP 已测试支持 RT-Thread GUIEngine 和 Littlevgl，可以使用 env 工具安装相应的 Package。
+
 ## 2. 编译说明
 
 STM32F429-DISCO 板级包支持 MDK4﹑MDK5﹑IAR 开发环境和 GCC 编译器，以下是具体版本信息：
@@ -61,13 +63,16 @@ finsh />
 | 驱动 | 支持情况  |  备注  |
 | ------ | ----  | :------:  |
 | USART | 支持 | USART1/2/3 |
-| SPI | 支持 |  |
-| LCD | 支持 | 支持 FrameBuffer 模式 LCD 显示 |
+| SPI | 支持 | SPI5 |
+| IIC | 支持 | IIC3 |
 | SDRAM | 支持 | |
+| LCD | 支持 | 支持 FrameBuffer 模式 LCD 显示 |
+| 触摸屏 | 支持 | IIC 接口 STMPE811 |
+| USB OTG Host| 即将支持 | 预计 2018/11 |
+| USB OTG Device| 未支持 | |
 | GPIO | 未支持 |  |
-| IIC | 未支持 |  |
 | L3GD20 | 未支持 | |
-| USB OTG | 未支持 | |
+
 
 
 ## 5. 联系人信息

bsp/stm32f429-disco/rtconfig.h

@@ -75,13 +75,20 @@
 #define RT_USING_DEVICE_IPC
 #define RT_PIPE_BUFSZ 512
 #define RT_USING_SERIAL
+#define RT_USING_I2C
+#define RT_USING_I2C_BITOPS
 #define RT_USING_PIN
 
+/* Using WiFi */
+
+
 /* Using USB */
 
 
 /* POSIX layer and C standard library */
 
+#define RT_USING_LIBC
+#define RT_USING_POSIX
 
 /* Network */
 
@@ -147,7 +154,10 @@
 
 /* example package: hello */
 
+#define RT_USING_ILI9341_LCD
+#define RT_USING_STMPE811_TOUCH
 #define RT_USING_EXT_SDRAM
 #define RT_USING_UART1
+#define RT_USING_I2C3
 
 #endif