From: David Schleef <ds@schleef.org>
Date: Mon, 18 Mar 2002 21:48:14 +0000 (+0000)
Subject: added output command test
X-Git-Tag: r0_7_19~77
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=b7d115eafaebd378f39a74b6cf203dbf2d239007;p=comedilib.git

added output command test
---

diff --git a/testing/cmd_1.c b/testing/cmd_1.c
index 404905c..de40842 100644
--- a/testing/cmd_1.c
+++ b/testing/cmd_1.c
@@ -152,6 +152,90 @@ int test_cmd_read_fast_1chan(void)
 	return 0;
 }
 
+int test_cmd_write_fast_1chan(void)
+{
+	comedi_cmd cmd;
+	char buf[BUFSZ];
+	unsigned int chanlist[1];
+	int go;
+	int total=0;
+	int ret;
+	unsigned int flags = comedi_get_subdevice_flags(device,subdevice);
+
+	if(!(flags&SDF_CMD) || !(flags&SDF_WRITEABLE)){
+		printf("not applicable\n");
+		return 0;
+	}
+
+	if(comedi_get_cmd_generic_timed(device,subdevice,&cmd,1)<0){
+		printf("  not supported\n");
+		return 0;
+	}
+
+	if(realtime)cmd.flags |= TRIG_RT;
+	cmd.chanlist = chanlist;
+	cmd.scan_end_arg = 1;
+	cmd.stop_arg = 1000000;
+	cmd.chanlist_len = 1;
+	chanlist[0] = CR_PACK(0,0,0);
+
+	memset(buf,0,BUFSZ);
+
+	ret = comedi_command(device,&cmd);
+	if(ret<0){
+		perror("comedi_command");
+	}
+
+	go = 1;
+	while(go){
+		ret = write(comedi_fileno(device), buf, BUFSZ);
+		if(ret<0){
+			perror("write");
+			return 0;
+		}
+		if(ret<BUFSZ){
+			go = 0;
+			break;
+		}
+
+		total += ret;
+		if(verbose)printf("write %d %d\n",ret,total);
+	}
+	
+	{
+		comedi_insn insn;
+		memset(&insn, 0, sizeof(comedi_insn));
+		insn.insn = INSN_INTTRIG;
+		insn.subdev = subdevice;
+		ret = comedi_do_insn(device, &insn);
+		if(ret<0){
+			perror("comedi_inttrig");
+			return 0;
+		}
+		if(verbose)printf("inttrig\n");
+	}
+
+	go=1;
+	while(go){
+		ret = write(comedi_fileno(device),buf,BUFSZ);
+		if(ret<0){
+			if(errno==EAGAIN){
+				usleep(10000);
+			}else{
+				go = 0;
+				perror("write");
+			}
+		}else if(ret==0){
+			go = 0;
+		}else{
+			total += ret;
+			if(verbose)printf("write %d %d\n",ret,total);
+		}
+	}
+
+	return 0;
+}
+
 int test_cmd_logic_bug(void)
 {
 	comedi_cmd cmd;
diff --git a/testing/main.c b/testing/main.c
index b28a460..d6f3945 100644
--- a/testing/main.c
+++ b/testing/main.c
@@ -31,6 +31,7 @@ int test_cmd_no_cmd(void);
 int test_cmd_probe_src_mask(void);
 int test_cmd_probe_fast_1chan(void);
 int test_cmd_read_fast_1chan(void);
+int test_cmd_write_fast_1chan(void);
 int test_cmd_logic_bug(void);
 int test_cmd_fifo_depth_check(void);
 int test_cmd_start_inttrig(void);
@@ -56,6 +57,7 @@ struct test_struct tests[]={
 	{ "cmd_probe_src_mask", test_cmd_probe_src_mask, TEST_STD },
 	{ "cmd_probe_fast_1chan", test_cmd_probe_fast_1chan, TEST_STD },
 	{ "cmd_read_fast_1chan", test_cmd_read_fast_1chan, TEST_STD },
+	{ "cmd_write_fast_1chan", test_cmd_write_fast_1chan, TEST_STD },
 	{ "cmd_logic_bug", test_cmd_logic_bug, TEST_STD },
 	{ "cmd_fifo_depth_check", test_cmd_fifo_depth_check, TEST_STD },
 	{ "cmd_start_inttrig", test_cmd_start_inttrig, TEST_STD },
diff --git a/testing/mmap.c b/testing/mmap.c
index 3cb6637..8f68c32 100644
--- a/testing/mmap.c
+++ b/testing/mmap.c
@@ -63,6 +63,7 @@ int test_mmap(void)
 	void *b, *adr;
 	sampl_t *map;
 	unsigned int flags;
+	int i;
 
 	flags = comedi_get_subdevice_flags(device,subdevice);
 
@@ -125,11 +126,19 @@ int test_mmap(void)
 			if(verbose) printf("read %d %d\n",ret,total);
 		}
 	}
-	if(memcmp(buf,map,total)){
-		printf("E: mmap compare failed\n");
-	}else{
-		printf("compare ok\n");
+
+	go = 1;
+	for(i=0;i<total;i++){
+		if(buf[i]!=((char *)map)[i]){
+			printf("E: mmap compare failed\n");
+			printf("offset %d (read=%02x mmap=%02x)\n",i,
+				buf[i], ((char *)map)[i]);
+			go = 0;
+			break;
+		}
 	}
+	if(go) printf("compare ok\n");
+
 	munmap(map,MAPLEN);
 
 	/* test if area is really unmapped */