C++ (Cpp) __dcc_putchar Examples

Example #1

File: hvc_dcc.c Project: hbeishang/linux-xlnx

static void dcc_uart_console_putchar(struct uart_port *port, int ch)
{
	while (__dcc_getstatus() & DCC_STATUS_TX)
		cpu_relax();

	__dcc_putchar(ch);
}

Example #2

File: hvc_dcc.c Project: mikuhatsune001/linux2.6.32

static int hvc_dcc_put_chars(uint32_t vt, const char *buf, int count)
{
	int i;

	for (i = 0; i < count; i++) {
		while (__dcc_getstatus() & DCC_STATUS_TX)
			cpu_relax();

		__dcc_putchar(buf[i]);
	}

	return count;
}

Example #3

File: hvc_dcc.c Project: mikuhatsune001/linux2.6.32

static bool hvc_dcc_check(void)
{
	unsigned long time = jiffies + (HZ / 10);

	/* Write a test character to check if it is handled */
	__dcc_putchar('\n');

	while (time_is_after_jiffies(time)) {
		if (!(__dcc_getstatus() & DCC_STATUS_TX))
			return true;
	}

	return false;
}