From ee9413282d02d936185dc88a34bb817a1a273e6d Mon Sep 17 00:00:00 2001
From: daniel <danieruru@gmail.com>
Date: Wed, 9 Jan 2013 14:02:09 +0900
Subject: A few more clean ups

---
 libvxi11client/Makefile         | 14 ++++++++------
 libvxi11client/client.c         | 11 ++++++-----
 libvxi11client/libvxi11client.c | 25 +++++++++++++++++++++----
 libvxi11client/libvxi11client.h |  9 +++------
 4 files changed, 38 insertions(+), 21 deletions(-)

diff --git a/libvxi11client/Makefile b/libvxi11client/Makefile
index 9b82fac..3b6348a 100644
--- a/libvxi11client/Makefile
+++ b/libvxi11client/Makefile
@@ -1,19 +1,21 @@
+CFLAGS = -Wall
+
 all: client
 
 client: libvxi11client.o vxi11_clnt.o vxi11_xdr.o client.o
-	$(CC) -o $@ $^
+	$(CC) $(CFLAGS) -o $@ $^
 
-client.o: client.c
-	$(CC) -c $^
+client.o: client.c libvxi11client.h
+	$(CC) $(CFLAGS) -c $<
 
 libvxi11client.o: libvxi11client.c libvxi11client.h
-	$(CC) -c $<
+	$(CC) $(CFLAGS) -c $<
 
 vxi11_clnt.o: vxi11_clnt.c
-	$(CC) -c $<
+	$(CC) $(CFLAGS) -c $<
 
 vxi11_xdr.o: vxi11_xdr.c
-	$(CC) -c $^
+	$(CC) $(CFLAGS) -c $^
 
 .PHONY: clean perl
 
diff --git a/libvxi11client/client.c b/libvxi11client/client.c
index 747947b..eb224f2 100644
--- a/libvxi11client/client.c
+++ b/libvxi11client/client.c
@@ -1,5 +1,5 @@
-#include "vxi11.h"
 #include <stdio.h>
+#include "libvxi11client.h"
 
 #define IDENTIFY "*IDN?"
 
@@ -25,17 +25,17 @@ int main(int argc, char *argv[]) {
 
 	int err = 0;
 
-	if ((err = vxi11_open(argv[1])) > 0) {
+	if ((err = vxi11_open(argv[1], NULL)) > 0) {
 
 		// write some bytes
-		int byteswritten = vxi11_write(IDENTIFY, sizeof(IDENTIFY));
+		int byteswritten = vxi11_write(IDENTIFY, sizeof(IDENTIFY), false);
 		if (byteswritten >= 0)
 			printf("Wrote %d bytes\n", byteswritten);
 		else
 			printf("Error writing data\n");
 
 		// read some bytes
-		int bytesread = vxi11_read();
+		int bytesread = vxi11_read(NULL, 0, false, false, 0);
 		if (bytesread >= 0)
 			printf("Read %d bytes\n", bytesread);
 		else
@@ -89,7 +89,7 @@ int main(int argc, char *argv[]) {
 
 		// docmd
 		if ((err = vxi11_docmd(0x00)) > 0)
-			printf("did command, should fail! %d\n");
+			printf("did command, should fail!\n");
 		else
 			printf("Error calling docmd; %s\n", geterrorstring(err));
 
@@ -101,4 +101,5 @@ int main(int argc, char *argv[]) {
 		printf("Error opening device; %s\n", geterrorstring(err));
 		exit(1);
 	}
+	return 0;
 }
diff --git a/libvxi11client/libvxi11client.c b/libvxi11client/libvxi11client.c
index 0cb4ab9..ba7d7b4 100644
--- a/libvxi11client/libvxi11client.c
+++ b/libvxi11client/libvxi11client.c
@@ -1,3 +1,4 @@
+#include <stdbool.h>
 #include "vxi11.h"
 
 /**
@@ -5,11 +6,26 @@
  * Only one server with a single link is supported.
  */
 
+#define FLAG_TERMCHRSET (1 << 7)
+#define FLAG_END (1 << 3)
+#define FLAG_WAITLOCK 1
+
 #define	VXI11_DEFAULT_TIMEOUT	1000
 
 static CLIENT* clnt = NULL;
 static Device_Link link;
 
+static Device_Flags vxi11_generateflags(bool waitlock, bool end, bool termchrset) {
+	Device_Flags flags = 0;
+	if (waitlock)
+		flags |= FLAG_WAITLOCK;
+	if (end)
+		flags |= FLAG_END;
+	if (termchrset)
+		flags |= FLAG_TERMCHRSET;
+	return flags;
+}
+
 /**
  * create an RPC client and open a link to the server at $address.
  * $device is apparently used for VXI-11 -> GPIB gateways.. this is untested.
@@ -63,12 +79,12 @@ int vxi11_readstatusbyte() {
  * write to the connected device
  */
 
-int vxi11_write(char* data, unsigned int len) {
+int vxi11_write(char* data, unsigned int len, bool waitlock, bool end) {
 	if (clnt == NULL)
 		return 0;
 
 	Device_WriteParms params = { .lid = link, .io_timeout = VXI11_DEFAULT_TIMEOUT,
-			.lock_timeout = VXI11_DEFAULT_TIMEOUT, .flags = 0x0 };
+			.lock_timeout = VXI11_DEFAULT_TIMEOUT, .flags = vxi11_generateflags(waitlock, end, false) };
 	params.data.data_len = len;
 	params.data.data_val = data;
 
@@ -85,12 +101,13 @@ int vxi11_write(char* data, unsigned int len) {
  * read from the connected device
  */
 
-int vxi11_read() {
+int vxi11_read(char* buffer, unsigned int bufferlen, bool waitlock, bool termchrset, char termchr) {
 	if (clnt == NULL)
 		return 0;
 
 	Device_ReadParms params = { .lid = link, .requestSize = 256, .io_timeout = VXI11_DEFAULT_TIMEOUT, .lock_timeout =
-			VXI11_DEFAULT_TIMEOUT, .flags = 0x0, .termChar = 0x0 };
+			VXI11_DEFAULT_TIMEOUT, .flags = vxi11_generateflags(waitlock, false, termchrset), .termChar =
+			termchrset ? termchr : 0 };
 
 	Device_ReadResp* resp = device_read_1(&params, clnt);
 	if (resp != NULL && resp->error == 0)
diff --git a/libvxi11client/libvxi11client.h b/libvxi11client/libvxi11client.h
index b65e711..6f92744 100644
--- a/libvxi11client/libvxi11client.h
+++ b/libvxi11client/libvxi11client.h
@@ -1,3 +1,4 @@
+#include <stdbool.h>
 #include "vxi11.h"
 
 #define ERR_SYNTAXERROR -1
@@ -15,16 +16,12 @@
 #define ERR_ABORT -23
 #define ERR_CHANNELALREADYESTABLISHED -29
 
-#define FLAG_TERMCHRSET (1 << 7)
-#define FLAG_END (1 << 3)
-#define FLAG_WAITLOCK 1
-
 int vxi11_open(char* address, char* device);
 int vxi11_abort();
 int vxi11_trigger();
 int vxi11_clear();
-int vxi11_write();
-int vxi11_read();
+int vxi11_write(char* data, unsigned int len, bool end);
+int vxi11_read(char* buffer, unsigned int bufferlen, bool waitlock, bool termchrset, char termchr);
 int vxi11_lock();
 int vxi11_unlock();
 int vxi11_local();
-- 
cgit