Some more work on driver and added simple test program. Next step implement

the write.

1 files changed, 77 insertions, 0 deletions

diff --git a/test/sidtest.c b/test/sidtest.c
new file mode 100644
index 0000000..767417c
--- /dev/null
+++ b/test/sidtest.c
@@ -0,0 +1,77 @@
+/* Copyright 2018 Ian Cowburn
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+
+    2. Redistributions in binary form must reproduce the above copyright notice,
+       this list of conditions and the following disclaimer in the documentation
+       and/or other materials provided with the distribution.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+   POSSIBILITY OF SUCH DAMAGE.
+*/
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <errno.h>
+
+int main(int argc, char *argv[])
+{
+    char setsound[] =
+    {
+    	4,	17,
+	24,	15,
+	5,	97,
+	6,	200,
+	0,	128,
+	1,	127
+    };
+
+    char clearsound[] =
+    {
+	24,	0
+    };
+
+    int fd;
+    int wrote;
+
+    fd = open("/dev/hardsid0", O_RDWR);
+
+    if (fd == -1)
+    {
+    	perror("open");
+	exit(EXIT_FAILURE);
+    }
+
+    if ((wrote = write(fd, setsound, sizeof setsound)) != sizeof setsound)
+    {
+	printf("Only wrote %d of %zu bytes\n", wrote, sizeof setsound);
+    	perror("write");
+    }
+
+    printf("<RET>\n");
+    getchar();
+
+    if ((wrote = write(fd, clearsound, sizeof clearsound)) != sizeof clearsound)
+    {
+	printf("Only wrote %d of %zu bytes\n", wrote, sizeof clearsound);
+    	perror("write");
+    }
+
+    close(fd);
+
+    return EXIT_SUCCESS;
+}