Norimasa Okamoto / Mbed 2 deprecated lpc1549-USBROM_msc_example

USB Device ROM Stack API example program

Dependencies:   mbed

LPC1549のROM APIを使ったRAMディスクです。PCからはUSBメモリとして見えます。

参考：
http://docs.lpcware.com/usbromlib/v1.0/

usb.c@0:ef2c0c52abc4, 2014-03-14 (annotated)

Committer:
va009039
Date:
Fri Mar 14 09:14:16 2014 +0000
Revision:
0:ef2c0c52abc4
first commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:ef2c0c52abc4 1 #if defined(TARGET_LPC1549)
va009039 0:ef2c0c52abc4 2 #include "LPC15xx.h"
va009039 0:ef2c0c52abc4 3 #define ROM_API_ADDR (0x03000200)
va009039 0:ef2c0c52abc4 4 #else
va009039 0:ef2c0c52abc4 5 #error "target error"
va009039 0:ef2c0c52abc4 6 #endif
va009039 0:ef2c0c52abc4 7 #include <rl_usb.h>
va009039 0:ef2c0c52abc4 8 #include <string.h>
va009039 0:ef2c0c52abc4 9
va009039 0:ef2c0c52abc4 10 USBD_API_T* pUsbApi;
va009039 0:ef2c0c52abc4 11 USBD_HANDLE_T hUsb;
va009039 0:ef2c0c52abc4 12
va009039 0:ef2c0c52abc4 13 uint32_t USBD_MSC_MemorySize;
va009039 0:ef2c0c52abc4 14 uint32_t USBD_MSC_BlockSize;
va009039 0:ef2c0c52abc4 15 uint32_t USBD_MSC_BlockGroup;
va009039 0:ef2c0c52abc4 16 uint32_t USBD_MSC_BlockCount;
va009039 0:ef2c0c52abc4 17 uint8_t* USBD_MSC_BlockBuf;
va009039 0:ef2c0c52abc4 18 uint8_t USBD_MSC_MediaReady;
va009039 0:ef2c0c52abc4 19
va009039 0:ef2c0c52abc4 20 extern void USBD_Init(void); // interface/*/usbd_*.c
va009039 0:ef2c0c52abc4 21 extern void USBD_Connect(uint8_t con);
va009039 0:ef2c0c52abc4 22
va009039 0:ef2c0c52abc4 23 static USBD_API_INIT_PARAM_T usb_param;
va009039 0:ef2c0c52abc4 24 static USB_CORE_DESCS_T desc;
va009039 0:ef2c0c52abc4 25 static USBD_MSC_INIT_PARAM_T msc_param;
va009039 0:ef2c0c52abc4 26
va009039 0:ef2c0c52abc4 27 static uint8_t usbmem[2048] __attribute__ ((aligned(2048)));
va009039 0:ef2c0c52abc4 28 static uint8_t* mem_base;
va009039 0:ef2c0c52abc4 29 static uint32_t mem_size;
va009039 0:ef2c0c52abc4 30
va009039 0:ef2c0c52abc4 31 #define WBVAL(x) ((x) & 0xFF),(((x) >> 8) & 0xFF)
va009039 0:ef2c0c52abc4 32
va009039 0:ef2c0c52abc4 33 /* USB Standard Device Descriptor */
va009039 0:ef2c0c52abc4 34 static const uint8_t USB_DeviceDescriptor[] = {
va009039 0:ef2c0c52abc4 35 18, /* bLength */
va009039 0:ef2c0c52abc4 36 1, /* USB_DEVICE_DESCRIPTOR_TYPE, bDescriptorType */
va009039 0:ef2c0c52abc4 37 WBVAL(0x0200), /* 2.00 bcdUSB */
va009039 0:ef2c0c52abc4 38 0x00, /* bDeviceClass */
va009039 0:ef2c0c52abc4 39 0x00, /* bDeviceSubClass */
va009039 0:ef2c0c52abc4 40 0x00, /* bDeviceProtocol */
va009039 0:ef2c0c52abc4 41 64, /* USB_MAX_PACKET0, bMaxPacketSize0 */
va009039 0:ef2c0c52abc4 42 WBVAL(0x0d28), /* idVendor */
va009039 0:ef2c0c52abc4 43 WBVAL(0x0204), /* idProduct */
va009039 0:ef2c0c52abc4 44 WBVAL(0x0001), /* bcdDevice */
va009039 0:ef2c0c52abc4 45 1, /* iManufacturer */
va009039 0:ef2c0c52abc4 46 2, /* iProduct */
va009039 0:ef2c0c52abc4 47 3, /* iSerialNumber */
va009039 0:ef2c0c52abc4 48 1 /* bNumConfigurations */
va009039 0:ef2c0c52abc4 49 };
va009039 0:ef2c0c52abc4 50
va009039 0:ef2c0c52abc4 51 /* USB FSConfiguration Descriptor */
va009039 0:ef2c0c52abc4 52 /* All Descriptors (Configuration, Interface, Endpoint, Class, Vendor */
va009039 0:ef2c0c52abc4 53 static const uint8_t USB_FsConfigDescriptor[] = {
va009039 0:ef2c0c52abc4 54 /* Configuration 1 */
va009039 0:ef2c0c52abc4 55 9, /* USB_CONFIGUARTION_DESC_SIZE, bLength */
va009039 0:ef2c0c52abc4 56 2, /* USB_CONFIGURATION_DESCRIPTOR_TYPE, bDescriptorType */
va009039 0:ef2c0c52abc4 57 WBVAL(9 + 9 + 7 * 2),/* wTotalLength */
va009039 0:ef2c0c52abc4 58 0x01, /* bNumInterfaces */
va009039 0:ef2c0c52abc4 59 0x01, /* bConfigurationValue */
va009039 0:ef2c0c52abc4 60 0x00, /* iConfiguration */
va009039 0:ef2c0c52abc4 61 0xc0, /* USB_CONFIG_SELF_POWERED, bmAttributes */
va009039 0:ef2c0c52abc4 62 50, /* USB_CONFIG_POWER_MA(100), bMaxPower */
va009039 0:ef2c0c52abc4 63 /* Interface 0, Alternate Setting 0, MSC Class */
va009039 0:ef2c0c52abc4 64 9, /* USB_INTERFACE_DESC_SIZE, bLength */
va009039 0:ef2c0c52abc4 65 4, /* USB_INTERFACE_DESCRIPTOR_TYPE, bDescriptorType */
va009039 0:ef2c0c52abc4 66 0, /* bInterfaceNumber */
va009039 0:ef2c0c52abc4 67 0, /* bAlternateSetting */
va009039 0:ef2c0c52abc4 68 2, /* bNumEndpoints */
va009039 0:ef2c0c52abc4 69 0x08, /* USB_DEVICE_CLASS_STORAGE, bInterfaceClass */
va009039 0:ef2c0c52abc4 70 0x06, /* MSC_SUBCLASS_SCSI, bInterfaceSubClass */
va009039 0:ef2c0c52abc4 71 0x50, /* MSC_PROTOCOL_BULK_ONLY, bInterfaceProtocol */
va009039 0:ef2c0c52abc4 72 0x05, /* iInterface */
va009039 0:ef2c0c52abc4 73 /* Bulk In Endpoint */
va009039 0:ef2c0c52abc4 74 7, /* USB_ENDPOINT_DESC_SIZE, bLength */
va009039 0:ef2c0c52abc4 75 5, /* USB_ENDPOINT_DESCRIPTOR_TYPE, bDescriptorType */
va009039 0:ef2c0c52abc4 76 0x01, /* MSC_EP_IN, bEndpointAddress */
va009039 0:ef2c0c52abc4 77 0x02, /* USB_ENDPOINT_TYPE_BULK, bmAttributes */
va009039 0:ef2c0c52abc4 78 WBVAL(64), /* WBVAL(USB_FS_MAX_BULK_PACKET), wMaxPacketSize */
va009039 0:ef2c0c52abc4 79 0, /* bInterval */
va009039 0:ef2c0c52abc4 80 /* Bulk Out Endpoint */
va009039 0:ef2c0c52abc4 81 7, /* USB_ENDPOINT_DESC_SIZE, bLength */
va009039 0:ef2c0c52abc4 82 5, /* USB_ENDPOINT_DESCRIPTOR_TYPE bDescriptorType */
va009039 0:ef2c0c52abc4 83 0x81, /* MSC_EP_OUT bEndpointAddress */
va009039 0:ef2c0c52abc4 84 0x02, /* USB_ENDPOINT_TYPE_BULK bmAttributes */
va009039 0:ef2c0c52abc4 85 WBVAL(64), /* WBVAL(USB_FS_MAX_BULK_PACKET) wMaxPacketSize */
va009039 0:ef2c0c52abc4 86 0, /* bInterval */
va009039 0:ef2c0c52abc4 87 /* Terminator */
va009039 0:ef2c0c52abc4 88 0 /* bLength */
va009039 0:ef2c0c52abc4 89 };
va009039 0:ef2c0c52abc4 90
va009039 0:ef2c0c52abc4 91 /* USB String Descriptor (optional) */
va009039 0:ef2c0c52abc4 92 static const uint8_t USB_StringDescriptor[] = {
va009039 0:ef2c0c52abc4 93 /* Index 0x00: LANGID Codes */
va009039 0:ef2c0c52abc4 94 4, /* bLength */
va009039 0:ef2c0c52abc4 95 3, /* USB_STRING_DESCRIPTOR_TYPE, bDescriptorType */
va009039 0:ef2c0c52abc4 96 WBVAL(0x0409),/* US English wLANGID */
va009039 0:ef2c0c52abc4 97 /* Index 0x01: Manufacturer */
va009039 0:ef2c0c52abc4 98 (8*2 + 2), /* bLength (8 Char + Type + lenght) */
va009039 0:ef2c0c52abc4 99 3, /* USB_STRING_DESCRIPTOR_TYPE, bDescriptorType */
va009039 0:ef2c0c52abc4 100 'm', 0, 'b', 0, 'e', 0, 'd', 0, '.', 0, 'o', 0, 'r', 0, 'g', 0, /* mbed.org */
va009039 0:ef2c0c52abc4 101 /* Index 0x02: Product */
va009039 0:ef2c0c52abc4 102 (14*2 + 2), /* bLength (14 Char + Type + lenght) */
va009039 0:ef2c0c52abc4 103 3, /* USB_STRING_DESCRIPTOR_TYPE, bDescriptorType */
va009039 0:ef2c0c52abc4 104 'M', 0, 'B', 0, 'E', 0, ' ', 0, 'D', 0, /* MBED_ */
va009039 0:ef2c0c52abc4 105 'C', 0, 'M', 0, 'S', 0, 'I', 0, 'S', 0, '-', 0, 'D', 0, 'A', 0, 'P', 0, /* CMSIS-DAP */
va009039 0:ef2c0c52abc4 106 /* Index 0x03: Serial Number */
va009039 0:ef2c0c52abc4 107 (10*2 + 2), /* bLength (10 Char + Type + lenght) */
va009039 0:ef2c0c52abc4 108 3, /* USB_STRING_DESCRIPTOR_TYPE, bDescriptorType */
va009039 0:ef2c0c52abc4 109 '0', 0, '1', 0, '2', 0, '3', 0, '4', 0, '5', 0, '6', 0, '7', 0, '8', 0, '9', 0,
va009039 0:ef2c0c52abc4 110 /* Index 0x04: Interface 0, Alternate Setting 0 */
va009039 0:ef2c0c52abc4 111 (3*2 + 2), /* bLength (3 Char + Type + lenght) */
va009039 0:ef2c0c52abc4 112 3, /* USB_STRING_DESCRIPTOR_TYPE, bDescriptorType */
va009039 0:ef2c0c52abc4 113 'M', 0, 'S', 0, 'D', 0,
va009039 0:ef2c0c52abc4 114 /* Index 0x05: Interface 1, Alternate Setting 0 */
va009039 0:ef2c0c52abc4 115 (3*2 + 2), /* bLength (3 Char + Type + lenght) */
va009039 0:ef2c0c52abc4 116 3, /* USB_STRING_DESCRIPTOR_TYPE, bDescriptorType */
va009039 0:ef2c0c52abc4 117 'U', 0, 'S', 0, 'B', 0,
va009039 0:ef2c0c52abc4 118 };
va009039 0:ef2c0c52abc4 119
va009039 0:ef2c0c52abc4 120 static const uint8_t InquiryStr[28] = {
va009039 0:ef2c0c52abc4 121 'M', 'B', 'E', 'D', '.', 'O', 'R', 'G', 'M', 'B',
va009039 0:ef2c0c52abc4 122 'E', 'D', ' ', 'U', 'S', 'B', ' ', 'D', 'I', 'S',
va009039 0:ef2c0c52abc4 123 'K', ' ', ' ', ' ', '1', '.', '0', ' '
va009039 0:ef2c0c52abc4 124 };
va009039 0:ef2c0c52abc4 125
va009039 0:ef2c0c52abc4 126
va009039 0:ef2c0c52abc4 127 static uint8_t MSC_buf[512];
va009039 0:ef2c0c52abc4 128 static void MSC_Read(uint32_t offset, uint8_t** buff_adr, uint32_t length, uint32_t high_offset)
va009039 0:ef2c0c52abc4 129 {
va009039 0:ef2c0c52abc4 130 int i, j;
va009039 0:ef2c0c52abc4 131 if (offset % 512 == 0) { /* head chunk ? */
va009039 0:ef2c0c52abc4 132 usbd_msc_read_sect(offset / 512, MSC_buf, 1);
va009039 0:ef2c0c52abc4 133 }
va009039 0:ef2c0c52abc4 134 j = offset % 512;
va009039 0:ef2c0c52abc4 135 for (i = 0; i < length; i++, j++) {
va009039 0:ef2c0c52abc4 136 (*buff_adr)[i] = MSC_buf[j];
va009039 0:ef2c0c52abc4 137 }
va009039 0:ef2c0c52abc4 138 }
va009039 0:ef2c0c52abc4 139
va009039 0:ef2c0c52abc4 140 static void MSC_Write(uint32_t offset, uint8_t** buff_adr, uint32_t length, uint32_t high_offset)
va009039 0:ef2c0c52abc4 141 {
va009039 0:ef2c0c52abc4 142 int i, j;
va009039 0:ef2c0c52abc4 143 j = offset % 512;
va009039 0:ef2c0c52abc4 144 for(i = 0; i < length; i++, j++) {
va009039 0:ef2c0c52abc4 145 MSC_buf[j] = (*buff_adr)[i];
va009039 0:ef2c0c52abc4 146 }
va009039 0:ef2c0c52abc4 147 if ((offset % 512) + length == 512) { /* tail chunk ? */
va009039 0:ef2c0c52abc4 148 usbd_msc_write_sect(offset / 512, MSC_buf, 1);
va009039 0:ef2c0c52abc4 149 }
va009039 0:ef2c0c52abc4 150 }
va009039 0:ef2c0c52abc4 151
va009039 0:ef2c0c52abc4 152 static ErrorCode_t MSC_Verify(uint32_t offset, uint8_t* src, uint32_t length, uint32_t high_offset)
va009039 0:ef2c0c52abc4 153 {
va009039 0:ef2c0c52abc4 154 return LPC_OK;
va009039 0:ef2c0c52abc4 155 }
va009039 0:ef2c0c52abc4 156
va009039 0:ef2c0c52abc4 157 static void USBD_MSC_Init(void) {
va009039 0:ef2c0c52abc4 158 ErrorCode_t ret;
va009039 0:ef2c0c52abc4 159
va009039 0:ef2c0c52abc4 160 usbd_msc_init();
va009039 0:ef2c0c52abc4 161 memset((void*)&msc_param, 0, sizeof(msc_param));
va009039 0:ef2c0c52abc4 162 msc_param.mem_base = mem_base;
va009039 0:ef2c0c52abc4 163 msc_param.mem_size = mem_size;
va009039 0:ef2c0c52abc4 164
va009039 0:ef2c0c52abc4 165 /* mass storage paramas */
va009039 0:ef2c0c52abc4 166 msc_param.InquiryStr = InquiryStr;
va009039 0:ef2c0c52abc4 167 msc_param.BlockCount = USBD_MSC_BlockCount;
va009039 0:ef2c0c52abc4 168 msc_param.BlockSize = USBD_MSC_BlockSize;
va009039 0:ef2c0c52abc4 169 msc_param.MemorySize = USBD_MSC_MemorySize;
va009039 0:ef2c0c52abc4 170 msc_param.intf_desc = USB_FsConfigDescriptor + 9;
va009039 0:ef2c0c52abc4 171
va009039 0:ef2c0c52abc4 172 /* user defined functions */
va009039 0:ef2c0c52abc4 173 msc_param.MSC_Write = MSC_Write;
va009039 0:ef2c0c52abc4 174 msc_param.MSC_Read = MSC_Read;
va009039 0:ef2c0c52abc4 175 msc_param.MSC_Verify = MSC_Verify;
va009039 0:ef2c0c52abc4 176
va009039 0:ef2c0c52abc4 177 ret = pUsbApi->msc->init(hUsb, &msc_param);
va009039 0:ef2c0c52abc4 178 if (ret == LPC_OK) {
va009039 0:ef2c0c52abc4 179 /* update memory variables */
va009039 0:ef2c0c52abc4 180 mem_base = msc_param.mem_base;
va009039 0:ef2c0c52abc4 181 mem_size = msc_param.mem_size;
va009039 0:ef2c0c52abc4 182 }
va009039 0:ef2c0c52abc4 183 }
va009039 0:ef2c0c52abc4 184
va009039 0:ef2c0c52abc4 185 void usbd_init(void)
va009039 0:ef2c0c52abc4 186 {
va009039 0:ef2c0c52abc4 187 ErrorCode_t ret;
va009039 0:ef2c0c52abc4 188
va009039 0:ef2c0c52abc4 189 USBD_Init();
va009039 0:ef2c0c52abc4 190
va009039 0:ef2c0c52abc4 191 /* get USB API table pointer */
va009039 0:ef2c0c52abc4 192 pUsbApi = (USBD_API_T*)((*(ROM **)ROM_API_ADDR)->pUSBD);
va009039 0:ef2c0c52abc4 193
va009039 0:ef2c0c52abc4 194 mem_base = usbmem;
va009039 0:ef2c0c52abc4 195 mem_size = sizeof(usbmem);
va009039 0:ef2c0c52abc4 196
va009039 0:ef2c0c52abc4 197 /* initilize call back structures */
va009039 0:ef2c0c52abc4 198 memset((void*)&usb_param, 0, sizeof(usb_param));
va009039 0:ef2c0c52abc4 199 usb_param.usb_reg_base = LPC_USB_BASE;
va009039 0:ef2c0c52abc4 200 usb_param.mem_base = mem_base;
va009039 0:ef2c0c52abc4 201 usb_param.mem_size = mem_size;
va009039 0:ef2c0c52abc4 202 usb_param.max_num_ep = 2;
va009039 0:ef2c0c52abc4 203
va009039 0:ef2c0c52abc4 204 /* Initialize Descriptor pointers */
va009039 0:ef2c0c52abc4 205 memset((void*)&desc, 0, sizeof(desc));
va009039 0:ef2c0c52abc4 206 desc.device_desc = USB_DeviceDescriptor;
va009039 0:ef2c0c52abc4 207 desc.string_desc = USB_StringDescriptor;
va009039 0:ef2c0c52abc4 208 desc.full_speed_desc = USB_FsConfigDescriptor;
va009039 0:ef2c0c52abc4 209 desc.high_speed_desc = USB_FsConfigDescriptor;
va009039 0:ef2c0c52abc4 210
va009039 0:ef2c0c52abc4 211 /* USB Initialization */
va009039 0:ef2c0c52abc4 212 ret = pUsbApi->hw->Init(&hUsb, &desc, &usb_param);
va009039 0:ef2c0c52abc4 213 if (ret == LPC_OK) {
va009039 0:ef2c0c52abc4 214 mem_base = usb_param.mem_base;
va009039 0:ef2c0c52abc4 215 mem_size = usb_param.mem_size;
va009039 0:ef2c0c52abc4 216 USBD_MSC_Init();
va009039 0:ef2c0c52abc4 217 }
va009039 0:ef2c0c52abc4 218 }
va009039 0:ef2c0c52abc4 219
va009039 0:ef2c0c52abc4 220 void usbd_connect(uint8_t con)
va009039 0:ef2c0c52abc4 221 {
va009039 0:ef2c0c52abc4 222 USBD_Connect(con);
va009039 0:ef2c0c52abc4 223 if (con) {
va009039 0:ef2c0c52abc4 224 pUsbApi->hw->Connect(hUsb, 1);
va009039 0:ef2c0c52abc4 225 }
va009039 0:ef2c0c52abc4 226 }