コード例 #1
0
ファイル: protocol.c プロジェクト: StefanBruens/libsigrok 
SR_PRIV void hung_chang_dso_2100_write_mbox(struct parport *port, uint8_t val)
{
	sr_dbg("mbox <= %X", val);
	ieee1284_write_control(port,
			C1284_NSTROBE | C1284_NINIT | C1284_NSELECTIN);
	ieee1284_data_dir(port, 0);
	ieee1284_write_data(port, val);
	ieee1284_write_control(port, C1284_NINIT | C1284_NSELECTIN);
	ieee1284_write_control(port,
			C1284_NSTROBE | C1284_NINIT | C1284_NSELECTIN);
	ieee1284_data_dir(port, 1);
	ieee1284_write_control(port,
		C1284_NSTROBE | C1284_NAUTOFD | C1284_NINIT | C1284_NSELECTIN);
}
コード例 #2
0
/* Send a byte to both ports */
static void outboth(struct parport *port, int d, int c)
{
	ieee1284_write_data(port, d & 0xff);
	outcont(port, c, 0x0f);
}
コード例 #3
0
/* Send a raw byte to the printer port */
static void outdata(struct parport *port, int d)
{
	ieee1284_write_data(port, d & 0xff);
}