void usb_init(const usb_profile_t *profile)
{
usb_driver_init( profile );
usb_msc_init();
usb_dfu_init();
platform_usb_enable();
}
int main(void)
{
rcc_clock_setup_hse_3v3(&rcc_hse_8mhz_3v3[RCC_CLOCK_3V3_120MHZ]);
rcc_periph_clock_enable(RCC_GPIOB);
rcc_periph_clock_enable(RCC_OTGHS);
gpio_mode_setup(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE,
GPIO13 | GPIO14 | GPIO15);
gpio_set_af(GPIOB, GPIO_AF12, GPIO13 | GPIO14 | GPIO15);
msc_dev = usbd_init(&otghs_usb_driver, &dev_descr, &config_descr,
usb_strings, 3,
usbd_control_buffer, sizeof(usbd_control_buffer));
ramdisk_init();
usb_msc_init(msc_dev, 0x82, 64, 0x01, 64, "VendorID", "ProductID",
"0.00", ramdisk_blocks(), ramdisk_read, ramdisk_write);
for (;;) {
usbd_poll(msc_dev);
}
}
ErrorCode_t usb_init(void)
{
uint32_t i;
uint32_t uid[4];
/* HARDWARE INIT */
/* Enable AHB clock to the USB block and USB RAM. */
LPC_SYSCON->SYSAHBCLKCTRL |= ((0x1<<14) | (0x1<<27));
/* Pull-down is needed, or internally, VBUS will be floating. This is to
address the wrong status in VBUSDebouncing bit in CmdStatus register. */
LPC_IOCON->PIO0_3 &= ~0x1F;
LPC_IOCON->PIO0_3 |= (0x01<<0); /* Secondary function VBUS */
LPC_IOCON->PIO0_6 &= ~0x07;
LPC_IOCON->PIO0_6 |= (0x01<<0); /* Secondary function SoftConn */
for (i=0; i < strlen(CFG_USB_STRING_MANUFACTURER); i++)
USB_StringDescriptor.strManufacturer[i] = CFG_USB_STRING_MANUFACTURER[i];
for (i=0; i < strlen(CFG_USB_STRING_PRODUCT); i++)
USB_StringDescriptor.strProduct[i] = CFG_USB_STRING_PRODUCT[i];
/* Use the 128-bit chip ID for USB serial to make sure it's unique */
iapReadUID(uid); /* 1st byte is LSB, 4th byte is MSB */
sprintf((char*)USB_StringDescriptor.strSerial , "%08X%08X%08X%08X", (unsigned int)uid[3], (unsigned int)uid[2], (unsigned int)uid[1], (unsigned int)uid[0]);
for (i = USB_STRING_SERIAL_LEN-1; i > 0; i--)
{
USB_StringDescriptor.strSerial[i] = ((uint8_t*)USB_StringDescriptor.strSerial)[i];
((uint8_t*)USB_StringDescriptor.strSerial)[i] = 0;
}
/* ROM DRIVER INIT */
uint32_t membase = (uint32_t) usb_RomDriver_buffer;
uint32_t memsize = USB_ROM_SIZE;
USBD_API_INIT_PARAM_T usb_param =
{
.usb_reg_base = LPC_USB_BASE,
.max_num_ep = USB_MAX_EP_NUM,
.mem_base = membase,
.mem_size = memsize,
.USB_Configure_Event = USB_Configure_Event,
.USB_Reset_Event = USB_Reset_Event
};
USB_CORE_DESCS_T DeviceDes =
{
.device_desc = (uint8_t*) &USB_DeviceDescriptor,
.string_desc = (uint8_t*) &USB_StringDescriptor,
.full_speed_desc = (uint8_t*) &USB_FsConfigDescriptor,
.high_speed_desc = (uint8_t*) &USB_FsConfigDescriptor,
.device_qualifier = NULL
};
/* Start USB hardware initialisation */
ASSERT_USB_STATUS(USBD_API->hw->Init(&g_hUsb, &DeviceDes, &usb_param));
membase += (memsize - usb_param.mem_size);
memsize = usb_param.mem_size;
/* Initialise the class driver(s) */
#ifdef CFG_USB_CDC
ASSERT_USB_STATUS( usb_cdc_init(g_hUsb, &USB_FsConfigDescriptor.CDC_CCI_Interface,
&USB_FsConfigDescriptor.CDC_DCI_Interface, &membase, &memsize) );
#endif
#ifdef CFG_USB_HID_KEYBOARD
ASSERT_USB_STATUS( usb_hid_init(g_hUsb , &USB_FsConfigDescriptor.HID_KeyboardInterface ,
HID_KeyboardReportDescriptor, USB_FsConfigDescriptor.HID_KeyboardHID.DescriptorList[0].wDescriptorLength,
&membase , &memsize) );
#endif
#ifdef CFG_USB_HID_MOUSE
ASSERT_USB_STATUS( usb_hid_init(g_hUsb , &USB_FsConfigDescriptor.HID_MouseInterface ,
HID_MouseReportDescriptor, USB_FsConfigDescriptor.HID_MouseHID.DescriptorList[0].wDescriptorLength,
&membase , &memsize) );
#endif
#ifdef CFG_USB_HID_GENERIC
ASSERT_USB_STATUS( usb_hid_init(g_hUsb , &USB_FsConfigDescriptor.HID_GenericInterface ,
HID_GenericReportDescriptor, USB_FsConfigDescriptor.HID_GenericHID.DescriptorList[0].wDescriptorLength,
&membase , &memsize) );
#endif
#ifdef CFG_USB_MSC
// there is chance where SD card is not inserted, thus the msc init fails, should continue instead of return
if ( usb_msc_init(g_hUsb, &USB_FsConfigDescriptor.MSC_Interface, &membase, &memsize) != LPC_OK)
{
_PRINTF("MSC class fails to init\n");
}
#endif
#ifdef CFG_USB_CUSTOM_CLASS
ASSERT_USB_STATUS( usb_custom_init(g_hUsb, &USB_FsConfigDescriptor.Custom_Interface) );
#endif
/* Enable the USB interrupt */
#if defined CFG_MCU_FAMILY_LPC11UXX
NVIC_EnableIRQ(USB_IRQn);
#elif defined CFG_MCU_FAMILY_LPC13UXX
NVIC_EnableIRQ(USB_IRQ_IRQn);
#else
#error "No MCU defined"
#endif
/* Perform USB soft connect */
USBD_API->hw->Connect(g_hUsb, 1);
return LPC_OK;
}
/**************************************************************************/
/*!
@brief Redirect the USB IRQ handler to the ROM handler
*/
/**************************************************************************/
void USB_IRQHandler(void)
{
USBD_API->hw->ISR(g_hUsb);
}
