[bsp][stm32][f469-disco]Add SD card hot plug detection

Signed-off-by: Willian Chan <chentingwei@rt-thread.com>

bsp/stm32/libraries/HAL_Drivers/drv_sdio.c

@@ -7,6 +7,7 @@
  * Date           Author       Notes
  * 2018-06-22     tyx          first
  * 2018-12-12     balanceTWK   first version
+ * 2019-06-11     WillianChan   Add SD card hot plug detection
  */
 
 #include "board.h"
@@ -878,4 +879,9 @@ int rt_hw_sdio_init(void)
 }
 INIT_DEVICE_EXPORT(rt_hw_sdio_init);
 
+void stm32_mmcsd_change(void)
+{
+    mmcsd_change(host);
+}
+
 #endif

bsp/stm32/libraries/HAL_Drivers/drv_sdio.h

@@ -6,6 +6,7 @@
  * Change Logs:
  * Date           Author       Notes
  * 2018-12-13     BalanceTWK   first version
+ * 2019-06-11     WillianChan   Add SD card hot plug detection
  */
 
 #ifndef _DRV_SDIO_H
@@ -187,4 +188,6 @@ struct stm32_sdio_class
     } dma;
 };
 
+extern void stm32_mmcsd_change(void);
+
 #endif

bsp/stm32/stm32f469-st-disco/.config

@@ -66,8 +66,9 @@ CONFIG_RT_USING_DEVICE=y
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=128
 CONFIG_RT_CONSOLE_DEVICE_NAME="uart3"
-CONFIG_RT_VER_NUM=0x40001
+CONFIG_RT_VER_NUM=0x40002
 CONFIG_ARCH_ARM=y
+CONFIG_RT_USING_CPU_FFS=y
 CONFIG_ARCH_ARM_CORTEX_M=y
 CONFIG_ARCH_ARM_CORTEX_M4=y
 # CONFIG_ARCH_CPU_STACK_GROWS_UPWARD is not set
@@ -169,6 +170,11 @@ CONFIG_RT_MMCSD_MAX_PARTITION=16
 # CONFIG_RT_USING_AUDIO is not set
 # CONFIG_RT_USING_SENSOR is not set
 
+#
+# Using Hardware Crypto drivers
+#
+# CONFIG_RT_USING_HWCRYPTO is not set
+
 #
 # Using WiFi
 #
@@ -385,6 +391,35 @@ CONFIG_RT_USING_POSIX=y
 # CONFIG_PKG_USING_PERIPHERAL_SAMPLES is not set
 # CONFIG_PKG_USING_HELLO is not set
 # CONFIG_PKG_USING_VI is not set
+
+#
+# Privated Packages of RealThread
+#
+# CONFIG_PKG_USING_CODEC is not set
+# CONFIG_PKG_USING_PLAYER is not set
+# CONFIG_PKG_USING_MPLAYER is not set
+# CONFIG_PKG_USING_PERSIMMON_SRC is not set
+# CONFIG_PKG_USING_JS_PERSIMMON is not set
+# CONFIG_PKG_USING_JERRYSCRIPT_WIN32 is not set
+# CONFIG_PKG_USING_LIBRWS is not set
+
+#
+# Network Utilities
+#
+# CONFIG_PKG_USING_WICED is not set
+# CONFIG_PKG_USING_CLOUDSDK is not set
+# CONFIG_PKG_USING_COREMARK is not set
+# CONFIG_PKG_USING_POWER_MANAGER is not set
+# CONFIG_PKG_USING_RT_OTA is not set
+# CONFIG_PKG_USING_RDBD_SRC is not set
+# CONFIG_PKG_USING_RTINSIGHT is not set
+# CONFIG_PKG_USING_SMARTCONFIG is not set
+# CONFIG_PKG_USING_RTX is not set
+# CONFIG_RT_USING_TESTCASE is not set
+# CONFIG_PKG_USING_NGHTTP2 is not set
+# CONFIG_PKG_USING_AVS is not set
+# CONFIG_PKG_USING_STS is not set
+# CONFIG_PKG_USING_DLMS is not set
 CONFIG_SOC_FAMILY_STM32=y
 CONFIG_SOC_SERIES_STM32F4=y
 
@@ -397,6 +432,7 @@ CONFIG_SOC_STM32F469NI=y
 # Onboard Peripheral Drivers
 #
 # CONFIG_BSP_USING_SDRAM is not set
+# CONFIG_BSP_USING_LCD_MIPI is not set
 # CONFIG_BSP_USING_LCD_OTM8009A is not set
 # CONFIG_BSP_USING_QSPI_FLASH is not set
 # CONFIG_BSP_USING_SDCARD is not set

bsp/stm32/stm32f469-st-disco/README.md

@@ -43,7 +43,7 @@ STM32F469-ST-DISCO 是 ST 推出的一款基于 ARM Cortex-M4 内核的开发板
 | :-----: | :-----: | :-----: |
 | SDRAM  | 支持 | 16MB |
 | LCD | 支持 | MIPI屏，otm8009a |
-| SDCARD | 支持 |  |
+| SDCARD | 支持 | 支持热插拔，插拔检测间隔为200ms |
 | TOUCH | 支持 | ft6206 |
 | **片上外设** | **支持情况** | **备注** |
 | GPIO  | 支持 |  |

bsp/stm32/stm32f469-st-disco/board/ports/drv_sdcard.c

@@ -6,6 +6,7 @@
  * Change Logs:
  * Date           Author        Notes
  * 2018-12-13     balanceTWK    add sdcard port file
+ * 2019-06-11     WillianChan   Add SD card hot plug detection
  */
 
 #include <rtthread.h>
@@ -16,37 +17,80 @@
 #include <dfs_fs.h>
 #include <dfs_posix.h>
 #include "drv_gpio.h"
+#include "drv_sdio.h"
 
 #define DBG_TAG "app.card"
 #define DBG_LVL DBG_INFO
 #include <rtdbg.h>
 
+/* SD Card hot plug detection pin */
+#define SD_CHECK_PIN GET_PIN(G, 2)
+
+void __mount(void)
+{
+    rt_device_t device;
+    
+    device = rt_device_find("sd0");
+    if (device == NULL)
+    {
+        mmcsd_wait_cd_changed(0);
+        stm32_mmcsd_change();
+        mmcsd_wait_cd_changed(RT_WAITING_FOREVER);
+        device = rt_device_find("sd0");
+    }
+    
+    if (device != RT_NULL)
+    {
+        if (dfs_mount("sd0", "/", "elm", 0, 0) == RT_EOK)
+        {
+            LOG_I("sd card mount to '/'");
+        }
+        else
+        {
+            LOG_W("sd card mount to '/' failed!");
+        }
+    }
+}
+
+void __unmount(void)
+{
+    rt_thread_mdelay(200);
+    dfs_unmount("/");
+    LOG_I("Unmount \"/\"");
+    
+    mmcsd_wait_cd_changed(0);
+    stm32_mmcsd_change();
+    mmcsd_wait_cd_changed(RT_WAITING_FOREVER);
+
+}
+
 void sd_mount(void *parameter)
 {
+    rt_uint8_t re_sd_check = 1;
+    
     while (1)
     {
-        rt_thread_mdelay(500);
-        if(rt_device_find("sd0") != RT_NULL)
+        rt_thread_mdelay(200);
+        if(re_sd_check && !rt_pin_read(SD_CHECK_PIN))
+        {
+            __mount();
+        }
+        if (!re_sd_check && rt_pin_read(SD_CHECK_PIN))
         {
-            if (dfs_mount("sd0", "/", "elm", 0, 0) == RT_EOK)
-            {
-                LOG_I("sd card mount to '/'");
-                break;
-            }
-            else
-            {
-                LOG_W("sd card mount to '/' failed!");
-            }
+            __unmount();
         }
+        re_sd_check = rt_pin_read(SD_CHECK_PIN);
     }
 }
 
 int stm32_sdcard_mount(void)
 {
     rt_thread_t tid;
+    
+    rt_pin_mode(SD_CHECK_PIN, PIN_MODE_INPUT_PULLUP);
 
     tid = rt_thread_create("sd_mount", sd_mount, RT_NULL,
-                           1024, RT_THREAD_PRIORITY_MAX - 2, 20);
+                           1024, RT_THREAD_PRIORITY_MAX - 1, 20);
     if (tid != RT_NULL)
     {
         rt_thread_startup(tid);

bsp/stm32/stm32f469-st-disco/rtconfig.h

@@ -42,8 +42,9 @@
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 128
 #define RT_CONSOLE_DEVICE_NAME "uart3"
-#define RT_VER_NUM 0x40001
+#define RT_VER_NUM 0x40002
 #define ARCH_ARM
+#define RT_USING_CPU_FFS
 #define ARCH_ARM_CORTEX_M
 #define ARCH_ARM_CORTEX_M4
 
@@ -109,6 +110,9 @@
 #define RT_MMCSD_THREAD_PREORITY 22
 #define RT_MMCSD_MAX_PARTITION 16
 
+/* Using Hardware Crypto drivers */
+
+
 /* Using WiFi */
 
 
@@ -184,6 +188,12 @@
 
 /* samples: kernel and components samples */
 
+
+/* Privated Packages of RealThread */
+
+
+/* Network Utilities */
+
 #define SOC_FAMILY_STM32
 #define SOC_SERIES_STM32F4