void board_init(void)
{
/* Raise core clock to 204MHz */
CGU_Init(204000000);
/* Set up USB0 clock */
/* Disable PLL first */
CGU_EnableEntity(CGU_CLKSRC_PLL0, DISABLE);
/* the usb core require output clock = 480MHz */
if (CGU_SetPLL0() != CGU_ERROR_SUCCESS) {
while (1);
}
CGU_EntityConnect(CGU_CLKSRC_XTAL_OSC, CGU_CLKSRC_PLL0);
/* Enable PLL after all setting is done */
CGU_EnableEntity(CGU_CLKSRC_PLL0, ENABLE);
/* Turn on the USB0PHY */
LPC_CREG->CREG0 &= ~(1 << 5);
}
/**********************************************************************
** Function name:
**
** Description:
**
** Parameters:
**
** Returned value:
**********************************************************************/
void Hid_init (void)
{
USBD_API_INIT_PARAM_T usb_param;
USB_CORE_DESCS_T desc;
ErrorCode_t ret;
USB_INTERFACE_DESCRIPTOR* pIntfDesc;
volatile uint32_t CoreM4Freq;
// SystemInit();
// CGU_Init();
CoreM4Freq = CGU_GetPCLKFrequency(CGU_PERIPHERAL_M3CORE);
/* Disable PLL first */
CGU_EnableEntity(CGU_CLKSRC_PLL0, DISABLE);
/* the usb core require output clock = 480MHz */
if(CGU_SetPLL0() != CGU_ERROR_SUCCESS)
while(1);
CGU_EntityConnect(CGU_CLKSRC_PLL0, CGU_CLKSRC_PLL0);
/* Enable PLL after all setting is done */
CGU_EnableEntity(CGU_CLKSRC_PLL0, ENABLE);
/* Re-Update the clock freq */
CGU_UpdateClock();
/* Distribute to USB0 base clock */
CGU_EntityConnect(CGU_CLKSRC_PLL0, CGU_BASE_USB0);
/* Generate interrupt @ 1000 Hz */
// SysTick_Config(CGU_GetPCLKFrequency(CGU_PERIPHERAL_M3CORE)/1000);
/* initilize call back structures */
memset((void*)&usb_param, 0, sizeof(USBD_API_INIT_PARAM_T));
usb_param.usb_reg_base = LPC_USB0_BASE;
usb_param.max_num_ep = 6;
usb_param.mem_base = 0x20004000;
usb_param.mem_size = 0x2000;
usb_param.USB_Configure_Event1 = USB_Configure_Event1;
/* for eagle/raptor the local SRAM is not accesable to USB
* so copy the descriptors to USB accessable memory
*/
copy_descriptors(&desc, usb_param.mem_base + usb_param.mem_size);
/* Turn on the phy */
LPC_CREG->CREG0 &= ~(1<<5);
/* USB Initialization */
ret = USBD_API->hw->Init(&hUsb, &desc, &usb_param);
if (ret == LPC_OK) {
pIntfDesc = (USB_INTERFACE_DESCRIPTOR*)((uint32_t)desc.high_speed_desc + USB_CONFIGUARTION_DESC_SIZE);
ret = usb_hid_init(hUsb, pIntfDesc, &usb_param.mem_base, &usb_param.mem_size);
if (ret != LPC_OK)
vCatchError(0); //"usb_hid_init error!!!"
if (ret == LPC_OK) {
NVIC_EnableIRQ(USB0_IRQn); // enable USB0 interrrupts
/* now connect */
USBD_API->hw->Connect(hUsb, 1);
}
}
else {
vCatchError(1); //"\r\nhwUSB_Init error!!!"
}
#if 0
while (1)
{
u32Milliseconds = 100;
/* Wait... */
while(u32Milliseconds);
}
#endif
}
