add stm32 msc ram demo

3 files changed, 160 insertions, 1 deletions

diff --git a/demo/stm32/stm32f103c8t6/Core/Src/main.c b/demo/stm32/stm32f103c8t6/Core/Src/main.c
index d2f353d6..d534000c 100644
--- a/demo/stm32/stm32f103c8t6/Core/Src/main.c
+++ b/demo/stm32/stm32f103c8t6/Core/Src/main.c
@@ -115,6 +115,9 @@ int main(void)
 #elif defined USB_HID_CUSTOM
     extern void hid_custom_init(void);
     hid_custom_init();
+#elif defined USB_MSC_RAM
+    extern void msc_ram_init(void);
+    msc_ram_init();
 #endif
 
     /*!< init */
diff --git a/demo/stm32/stm32f103c8t6/example/example_select.h b/demo/stm32/stm32f103c8t6/example/example_select.h
index 873a2c49..325ea792 100644
--- a/demo/stm32/stm32f103c8t6/example/example_select.h
+++ b/demo/stm32/stm32f103c8t6/example/example_select.h
@@ -2,7 +2,7 @@
 /*!< Use macros to select the examples to test */
 
 /*!< cdc */
-#define USB_CDC
+//#define USB_CDC
 
 /*!< hid keyboard */
 //#define USB_HID_KEYBOARD
@@ -12,3 +12,6 @@
 
 /*!< hid custom */
 //#define USB_HID_CUSTOM
+
+/*!< msc ram */
+#define USB_MSC_RAM
\ No newline at end of file
diff --git a/demo/stm32/stm32f103c8t6/example/msc_ram/msc_ram_init.c b/demo/stm32/stm32f103c8t6/example/msc_ram/msc_ram_init.c
new file mode 100644
index 00000000..026b7e04
--- /dev/null
+++ b/demo/stm32/stm32f103c8t6/example/msc_ram/msc_ram_init.c
@@ -0,0 +1,153 @@
+/** @mainpage  msc_ram_demo_init
+  * <table>
+  * <tr><th>Project  <td>msc_ram_demo 
+  * <tr><th>Author   <td>LiGuo [email protected] 
+  * </table>
+  * @section   msc ram init demo
+  * 
+  * 
+  * @section   �汾������ʷ
+  * 
+  * �汾|����|ʱ��|����
+  * ----|----|----|----
+  * 1.0|LiGuo|2021.11.19|creat project
+  *
+  * <h2><center>&copy; Copyright 2021 LiGuo.
+  * All rights reserved.</center></h2>
+  *********************************************************************************
+  */
+
+/* include ------------------------------------------------------------------*/
+#include "main.h"
+#include "usb_def.h"
+#include "usbd_core.h"
+#include "usbd_msc.h"
+
+
+#define MSC_IN_EP  0x85
+#define MSC_OUT_EP 0x04
+
+#define USBD_VID           0xFFFF
+#define USBD_PID           0xFFFF
+#define USBD_MAX_POWER     100
+#define USBD_LANGID_STRING 1033
+
+#define USB_CONFIG_SIZE (9 + MSC_DESCRIPTOR_LEN)
+
+const uint8_t msc_ram_descriptor[] = {
+    USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0200, 0x01),
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x01, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    MSC_DESCRIPTOR_INIT(0x00, MSC_OUT_EP, MSC_IN_EP, 0x02),
+    ///////////////////////////////////////
+    /// string0 descriptor
+    ///////////////////////////////////////
+    USB_LANGID_INIT(USBD_LANGID_STRING),
+    ///////////////////////////////////////
+    /// string1 descriptor
+    ///////////////////////////////////////
+    0x12,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    'B', 0x00,                  /* wcChar0 */
+    'o', 0x00,                  /* wcChar1 */
+    'u', 0x00,                  /* wcChar2 */
+    'f', 0x00,                  /* wcChar3 */
+    'f', 0x00,                  /* wcChar4 */
+    'a', 0x00,                  /* wcChar5 */
+    'l', 0x00,                  /* wcChar6 */
+    'o', 0x00,                  /* wcChar7 */
+    ///////////////////////////////////////
+    /// string2 descriptor
+    ///////////////////////////////////////
+    0x24,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    'B', 0x00,                  /* wcChar0 */
+    'o', 0x00,                  /* wcChar1 */
+    'u', 0x00,                  /* wcChar2 */
+    'f', 0x00,                  /* wcChar3 */
+    'f', 0x00,                  /* wcChar4 */
+    'a', 0x00,                  /* wcChar5 */
+    'l', 0x00,                  /* wcChar6 */
+    'o', 0x00,                  /* wcChar7 */
+    ' ', 0x00,                  /* wcChar8 */
+    'M', 0x00,                  /* wcChar9 */
+    'S', 0x00,                  /* wcChar10 */
+    'C', 0x00,                  /* wcChar11 */
+    ' ', 0x00,                  /* wcChar12 */
+    'D', 0x00,                  /* wcChar13 */
+    'E', 0x00,                  /* wcChar14 */
+    'M', 0x00,                  /* wcChar15 */
+    'O', 0x00,                  /* wcChar16 */
+    ///////////////////////////////////////
+    /// string3 descriptor
+    ///////////////////////////////////////
+    0x16,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    '2', 0x00,                  /* wcChar0 */
+    '0', 0x00,                  /* wcChar1 */
+    '2', 0x00,                  /* wcChar2 */
+    '1', 0x00,                  /* wcChar3 */
+    '0', 0x00,                  /* wcChar4 */
+    '3', 0x00,                  /* wcChar5 */
+    '1', 0x00,                  /* wcChar6 */
+    '0', 0x00,                  /* wcChar7 */
+    '0', 0x00,                  /* wcChar8 */
+    '0', 0x00,                  /* wcChar9 */
+#ifdef CONFIG_USB_HS
+    ///////////////////////////////////////
+    /// device qualifier descriptor
+    ///////////////////////////////////////
+    0x0a,
+    USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
+    0x00,
+    0x02,
+    0x00,
+    0x00,
+    0x00,
+    0x40,
+    0x01,
+    0x00,
+#endif
+    0x00
+};
+
+#define BLOCK_SIZE  512
+#define BLOCK_COUNT 2
+
+typedef struct
+{
+    uint8_t BlockSpace[BLOCK_SIZE];
+} BLOCK_TYPE;
+
+// The CDC recv buffer size should equal to the out endpoint size
+// or we will need a timeout to flush the recv buffer
+BLOCK_TYPE mass_block[BLOCK_COUNT];
+
+void usbd_msc_get_cap(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
+{
+    *block_num = BLOCK_COUNT;
+    *block_size = BLOCK_SIZE;
+}
+int usbd_msc_sector_read(uint32_t sector, uint8_t *buffer, uint32_t length)
+{
+    memcpy(buffer, mass_block[sector].BlockSpace, length);
+    return 0;
+}
+
+int usbd_msc_sector_write(uint32_t sector, uint8_t *buffer, uint32_t length)
+{
+    memcpy(mass_block[sector].BlockSpace, buffer, length);
+    return 0;
+}
+
+/* function ------------------------------------------------------------------*/
+/**
+  * @brief            msc ram init
+  * @pre              none
+  * @param[in]        none
+  * @retval           none
+  */
+void msc_ram_init(void)
+{
+    usbd_desc_register(msc_ram_descriptor);
+    usbd_msc_class_init(MSC_OUT_EP, MSC_IN_EP);
+}
\ No newline at end of file