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-rw-r--r--query.m20
1 files changed, 20 insertions, 0 deletions
diff --git a/query.m b/query.m
new file mode 100644
index 0000000..f276125
--- /dev/null
+++ b/query.m
@@ -0,0 +1,20 @@
+function [out_str] = query(fname, in_str)
+ fname = '/dev/usbtmc0';
+
+ string_terminator = 10;
+
+ fhr = fopen( fname, 'r');
+ fhw = fopen( fname, 'w');
+ fwrite(fhw, in_str);
+
+ out_str = [];
+ [out_byte, cnt] = fread(fhr,1,'*uint8');
+ while (out_byte ~= string_terminator) & (cnt ~= 0)
+ out_str = [ out_str, char(out_byte) ];
+ out_byte = fread(fhr,1,'*uint8');
+ end
+
+ fclose(fhr);
+ fclose(fhw);
+
+end