Calibrator, version that works (kind of) with milliseconds

1 files changed, 29 insertions, 0 deletions

diff --git a/client.c b/client.c
new file mode 100644
index 0000000..2b3ff4c
--- /dev/null
+++ b/client.c
@@ -0,0 +1,29 @@
+/* Thinger to read 60hz cycle times and display diagnostics in a kind
+ * of stripcharty way.
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+
+
+int main(int *argc, char **argv)
+{
+	char line[20];
+	double bottom = 1/59.9;
+	double top = 1/60.1;
+	double center = 1/60;
+	int fd = open("/dev/ttyACM0", O_RDONLY);
+
+	while (1) {
+		double current;
+		char* line = "          |          \n";
+		int len = read(fd, &line, 20);
+		if (len == 0) {
+			puts("Fucked\n");
+			continue;
+		}
+		current = (float)atoi(&line);
+		printf("%f %f\n", current - bottom, current);
+	}
+}