C++ (Cpp) USB_EP_size_to_gcの例

コード例 #1

ファイル: usb_xmega.c プロジェクト: Lembed/Cortex-M-bootloader

void usb_reset(){

	//if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
	//  CLK.USBCTRL = ((((F_USB / 6000000) - 1) << CLK_USBPSDIV_gp) | CLK_USBSRC_RC32M_gc | CLK_USBSEN_bm);
	//else
	CLK.USBCTRL = ((((F_USB / 48000000) - 1) << CLK_USBPSDIV_gp) | CLK_USBSRC_RC32M_gc | CLK_USBSEN_bm);
	USB.EPPTR = (unsigned) &usb_xmega_endpoints;
	USB.ADDR = 0;
	
	usb_xmega_endpoints[0].out.STATUS = 0;
	usb_xmega_endpoints[0].out.CTRL = USB_EP_TYPE_CONTROL_gc | USB_EP_size_to_gc(USB_EP0_SIZE);
	usb_xmega_endpoints[0].out.DATAPTR = (unsigned) &ep0_buf_out;
	usb_xmega_endpoints[0].in.STATUS = USB_EP_BUSNACK0_bm;
	usb_xmega_endpoints[0].in.CTRL = USB_EP_TYPE_CONTROL_gc | USB_EP_size_to_gc(USB_EP0_SIZE);
	usb_xmega_endpoints[0].in.DATAPTR = (unsigned) &ep0_buf_in;
	
	USB.CTRLA = USB_ENABLE_bm | USB_SPEED_bm | (usb_num_endpoints+1);
}

コード例 #2

// configure USB clock divider per 48mhz internal oscillator
void USB_ResetInterface(){

	//if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
	//  CLK.USBCTRL = ((((F_USB / 6000000) - 1) << CLK_USBPSDIV_gp) | CLK_USBSRC_RC32M_gc | CLK_USBSEN_bm);
	//else
	CLK.USBCTRL = ((((F_USB / 48000000) - 1) << CLK_USBPSDIV_gp) | CLK_USBSRC_RC32M_gc | CLK_USBSEN_bm);
	USB.EPPTR = (unsigned) &endpoints;
	USB.ADDR = 0;
	
	endpoints[0].out.STATUS = 0;
	endpoints[0].out.CTRL = USB_EP_TYPE_CONTROL_gc | USB_EP_size_to_gc(USB_EP0SIZE);
	endpoints[0].out.DATAPTR = (unsigned) &ep0_buf_out;
	endpoints[0].in.STATUS = USB_EP_BUSNACK0_bm;
	endpoints[0].in.CTRL = USB_EP_TYPE_CONTROL_gc | USB_EP_size_to_gc(USB_EP0SIZE);
	endpoints[0].in.DATAPTR = (unsigned) &ep0_buf_in;
	
	USB.CTRLA = USB_ENABLE_bm | USB_SPEED_bm | USB_MAXEP;
	
	USB_Attach();
}

コード例 #3

ファイル: usb_xmega.c プロジェクト: Lembed/Cortex-M-bootloader

inline void usb_ep_enable(uint8_t ep, uint8_t type, usb_size bufsize){
	_USB_EP(ep);
	e->STATUS = USB_EP_BUSNACK0_bm;
	e->CTRL = type | USB_EP_size_to_gc(bufsize);
}