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C++ sl811_write函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中sl811_write函数的典型用法代码示例。如果您正苦于以下问题：C++ sl811_write函数的具体用法？C++ sl811_write怎么用？C++ sl811_write使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了sl811_write函数的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: submit_bulk_msg

int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
		    int len)
{
	int dir_out = usb_pipeout(pipe);
	int ep = usb_pipeendpoint(pipe);
	int max = usb_maxpacket(dev, pipe);
	int done = 0;

	PDEBUG(7, "dev = %ld pipe = %ld buf = %p size = %d dir_out = %d\n",
	       usb_pipedevice(pipe), usb_pipeendpoint(pipe), buffer, len, dir_out);

	dev->status = 0;

	sl811_write(SL811_DEV_A, usb_pipedevice(pipe));
	sl811_write(SL811_PIDEP_A, PIDEP(!dir_out ? USB_PID_IN : USB_PID_OUT, ep));
	while (done < len) {
		int res = sl811_send_packet(dev, pipe, (__u8*)buffer+done,
					    max > len - done ? len - done : max);
		if (res < 0) {
			dev->status = -res;
			return res;
		}

		if (!dir_out && res < max) /* short packet */
			break;

		done += res;
		usb_dotoggle(dev, ep, dir_out);
	}

	dev->act_len = done;

	return 0;
}
开发者ID:0xFelix，项目名称:u-boot-edminiv2，代码行数:34，代码来源:sl811-hcd.c


示例2: usb_init_kup4x

int usb_init_kup4x (void)
{
	volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
	volatile memctl8xx_t *memctl = &immap->im_memctl;
	int i;
	unsigned char tmp;

	memctl = &immap->im_memctl;
	memctl->memc_or7 = 0xFFFF8726;
	memctl->memc_br7 = 0x50000401;	/* start at 0x50000000 */
	/* BP 14 low = USB ON */
	immap->im_cpm.cp_pbdat &= ~(BP_USB_VCC);
	/* PB 14 nomal port */
	immap->im_cpm.cp_pbpar &= ~(BP_USB_VCC);
	/* output */
	immap->im_cpm.cp_pbdir |= (BP_USB_VCC);

	puts ("USB:   ");

	for (i = 0x10; i < 0xff; i++) {
		sl811_write(i, i);
		tmp = (sl811_read(i));
		if (tmp != i) {
			printf ("SL811 compare error index=0x%02x read=0x%02x\n", i, tmp);
			return (-1);
		}
	}
	printf ("SL811 ready\n");
	return (0);
}
开发者ID:0xFelix，项目名称:u-boot-edminiv2，代码行数:30，代码来源:sl811-hcd.c


示例3: port_power

static void port_power(struct sl811 *sl811, int is_on)
{
	struct usb_hcd	*hcd = sl811_to_hcd(sl811);

	
	if (is_on) {
		if (sl811->port1 & USB_PORT_STAT_POWER)
			return;

		sl811->port1 = USB_PORT_STAT_POWER;
		sl811->irq_enable = SL11H_INTMASK_INSRMV;
	} else {
		sl811->port1 = 0;
		sl811->irq_enable = 0;
		hcd->state = HC_STATE_HALT;
	}
	sl811->ctrl1 = 0;
	sl811_write(sl811, SL11H_IRQ_ENABLE, 0);
	sl811_write(sl811, SL11H_IRQ_STATUS, ~0);

	if (sl811->board && sl811->board->port_power) {
		
		DBG("power %s\n", is_on ? "on" : "off");
		sl811->board->port_power(hcd->self.controller, is_on);
	}

	
	if (sl811->board && sl811->board->reset)
		sl811->board->reset(hcd->self.controller);
	else {
		sl811_write(sl811, SL11H_CTLREG1, SL11H_CTL1MASK_SE0);
		mdelay(20);
	}

	sl811_write(sl811, SL11H_IRQ_ENABLE, 0);
	sl811_write(sl811, SL11H_CTLREG1, sl811->ctrl1);
	sl811_write(sl811, SL811HS_CTLREG2, SL811HS_CTL2_INIT);
	sl811_write(sl811, SL11H_IRQ_ENABLE, sl811->irq_enable);

	
}
开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:41，代码来源:sl811-hcd.c


示例4: submit_control_msg

int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
		       int len,struct devrequest *setup)
{
	int done = 0;
	int devnum = usb_pipedevice(pipe);
	int ep = usb_pipeendpoint(pipe);

	dev->status = 0;

	if (devnum == root_hub_devnum)
		return sl811_rh_submit_urb(dev, pipe, buffer, len, setup);

	PDEBUG(7, "dev = %d pipe = %ld buf = %p size = %d rt = %#x req = %#x bus = %i\n",
	       devnum, ep, buffer, len, (int)setup->requesttype,
	       (int)setup->request, sl811_read(SL811_SOFCNTDIV)*64);

	sl811_write(SL811_DEV_A, devnum);
	sl811_write(SL811_PIDEP_A, PIDEP(USB_PID_SETUP, ep));
	/* setup phase */
	usb_settoggle(dev, ep, 1, 0);
	if (sl811_send_packet(dev, usb_sndctrlpipe(dev, ep),
			      (__u8*)setup, sizeof(*setup)) == sizeof(*setup)) {
		int dir_in = usb_pipein(pipe);
		int max = usb_maxpacket(dev, pipe);

		/* data phase */
		sl811_write(SL811_PIDEP_A,
			    PIDEP(dir_in ? USB_PID_IN : USB_PID_OUT, ep));
		usb_settoggle(dev, ep, usb_pipeout(pipe), 1);
		while (done < len) {
			int res = sl811_send_packet(dev, pipe, (__u8*)buffer+done,
						    max > len - done ? len - done : max);
			if (res < 0) {
				PDEBUG(0, "status data failed!\n");
				dev->status = -res;
				return 0;
			}
			done += res;
			usb_dotoggle(dev, ep, usb_pipeout(pipe));
			if (dir_in && res < max) /* short packet */
				break;
		}

		/* status phase */
		sl811_write(SL811_PIDEP_A,
			    PIDEP(!dir_in ? USB_PID_IN : USB_PID_OUT, ep));
		usb_settoggle(dev, ep, !usb_pipeout(pipe), 1);
		if (sl811_send_packet(dev,
				      !dir_in ? usb_rcvctrlpipe(dev, ep) :
				      usb_sndctrlpipe(dev, ep),
				      0, 0) < 0) {
			PDEBUG(0, "status phase failed!\n");
			dev->status = -1;
		}
	} else {
		PDEBUG(0, "setup phase failed!\n");
		dev->status = -1;
	}

	dev->act_len = done;

	return done;
}
开发者ID:0xFelix，项目名称:u-boot-edminiv2，代码行数:63，代码来源:sl811-hcd.c


示例5: sl811_send_packet

static int sl811_send_packet(struct usb_device *dev, unsigned long pipe, __u8 *buffer, int len)
{
	__u8 ctrl = SL811_USB_CTRL_ARM | SL811_USB_CTRL_ENABLE;
	__u16 status = 0;
	int err = 0, time_start = get_timer(0);
	int need_preamble = !(rh_status.wPortStatus & USB_PORT_STAT_LOW_SPEED) &&
		(dev->speed == USB_SPEED_LOW);

	if (len > 239)
		return -1;

	if (usb_pipeout(pipe))
		ctrl |= SL811_USB_CTRL_DIR_OUT;
	if (usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe)))
		ctrl |= SL811_USB_CTRL_TOGGLE_1;
	if (need_preamble)
		ctrl |= SL811_USB_CTRL_PREAMBLE;

	sl811_write(SL811_INTRSTS, 0xff);

	while (err < 3) {
		sl811_write(SL811_ADDR_A, 0x10);
		sl811_write(SL811_LEN_A, len);
		if (usb_pipeout(pipe) && len)
			sl811_write_buf(0x10, buffer, len);

		if (!(rh_status.wPortStatus & USB_PORT_STAT_LOW_SPEED) &&
		    sl811_read(SL811_SOFCNTDIV)*64 < calc_needed_buswidth(len, need_preamble))
			ctrl |= SL811_USB_CTRL_SOF;
		else
			ctrl &= ~SL811_USB_CTRL_SOF;

		sl811_write(SL811_CTRL_A, ctrl);
		while (!(sl811_read(SL811_INTRSTS) & SL811_INTR_DONE_A)) {
			if (5*CONFIG_SYS_HZ < get_timer(time_start)) {
				printf("USB transmit timed out\n");
				return -USB_ST_CRC_ERR;
			}
		}

		sl811_write(SL811_INTRSTS, 0xff);
		status = sl811_read(SL811_STS_A);

		if (status & SL811_USB_STS_ACK) {
			int remainder = sl811_read(SL811_CNT_A);
			if (remainder) {
				PDEBUG(0, "usb transfer remainder = %d\n", remainder);
				len -= remainder;
			}
			if (usb_pipein(pipe) && len)
				sl811_read_buf(0x10, buffer, len);
			return len;
		}

		if ((status & SL811_USB_STS_NAK) == SL811_USB_STS_NAK)
			continue;

		PDEBUG(0, "usb transfer error %#x\n", (int)status);
		err++;
	}

	err = 0;

	if (status & SL811_USB_STS_ERROR)
		err |= USB_ST_BUF_ERR;
	if (status & SL811_USB_STS_TIMEOUT)
		err |= USB_ST_CRC_ERR;
	if (status & SL811_USB_STS_STALL)
		err |= USB_ST_STALLED;

	return -err;
}
开发者ID:0xFelix，项目名称:u-boot-edminiv2，代码行数:72，代码来源:sl811-hcd.c


示例6: sl811_hc_reset

/*
 * This function resets SL811HS controller and detects the speed of
 * the connecting device
 *
 * Return: 0 = no device attached; 1 = USB device attached
 */
static int sl811_hc_reset(void)
{
	int status ;

	sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_12M_HI);
	sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);

	mdelay(20);

	/* Disable hardware SOF generation, clear all irq status. */
	sl811_write(SL811_CTRL1, 0);
	mdelay(2);
	sl811_write(SL811_INTRSTS, 0xff);
	status = sl811_read(SL811_INTRSTS);

	if (status & SL811_INTR_NOTPRESENT) {
		/* Device is not present */
		PDEBUG(0, "Device not present\n");
		rh_status.wPortStatus &= ~(USB_PORT_STAT_CONNECTION | USB_PORT_STAT_ENABLE);
		rh_status.wPortChange |= USB_PORT_STAT_C_CONNECTION;
		sl811_write(SL811_INTR, SL811_INTR_INSRMV);
		return 0;
	}

	/* Send SOF to address 0, endpoint 0. */
	sl811_write(SL811_LEN_B, 0);
	sl811_write(SL811_PIDEP_B, PIDEP(USB_PID_SOF, 0));
	sl811_write(SL811_DEV_B, 0x00);
	sl811_write(SL811_SOFLOW, SL811_12M_LOW);

	if (status & SL811_INTR_SPEED_FULL) {
		/* full speed device connect directly to root hub */
		PDEBUG (0, "Full speed Device attached\n");

		sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
		mdelay(20);
		sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_12M_HI);
		sl811_write(SL811_CTRL1, SL811_CTRL1_SOF);

		/* start the SOF or EOP */
		sl811_write(SL811_CTRL_B, SL811_USB_CTRL_ARM);
		rh_status.wPortStatus |= USB_PORT_STAT_CONNECTION;
		rh_status.wPortStatus &= ~USB_PORT_STAT_LOW_SPEED;
		mdelay(2);
		sl811_write(SL811_INTRSTS, 0xff);
	} else {
		/* slow speed device connect directly to root-hub */
		PDEBUG(0, "Low speed Device attached\n");

		sl811_write(SL811_CTRL1, SL811_CTRL1_RESET);
		mdelay(20);
		sl811_write(SL811_CTRL2, SL811_CTL2_HOST | SL811_CTL2_DSWAP | SL811_12M_HI);
		sl811_write(SL811_CTRL1, SL811_CTRL1_SPEED_LOW | SL811_CTRL1_SOF);

		/* start the SOF or EOP */
		sl811_write(SL811_CTRL_B, SL811_USB_CTRL_ARM);
		rh_status.wPortStatus |= USB_PORT_STAT_CONNECTION | USB_PORT_STAT_LOW_SPEED;
		mdelay(2);
		sl811_write(SL811_INTRSTS, 0xff);
	}

	rh_status.wPortChange |= USB_PORT_STAT_C_CONNECTION;
	sl811_write(SL811_INTR, /*SL811_INTR_INSRMV*/SL811_INTR_DONE_A);

	return 1;
}
开发者ID:0xFelix，项目名称:u-boot-edminiv2，代码行数:72，代码来源:sl811-hcd.c



注：本文中的sl811_write函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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