pbio/logger: set period equal to pbio
This value is used to figure out how many log samples to allocate at least.
#include <pbio/error.h>
// FIXME: Move to port configuration
-#define MIN_PERIOD 10
+#define MIN_PERIOD 6
// FIXME: move upper limit to port config
#define MAX_LOG_MEM_KB 2*1024 // 2 MB on EV3
