Define our own constant for PI.

[libsigrok.git] / src / hardware / saleae-logic16 / protocol.c

diff --git a/src/hardware/saleae-logic16/protocol.c b/src/hardware/saleae-logic16/protocol.c
index 3db8a82f0b8577b9bf580324b9f2a96598dcb013..1e900c15850541552298253ff81be676844074dd 100644 (file)
--- a/src/hardware/saleae-logic16/protocol.c
+++ b/src/hardware/saleae-logic16/protocol.c
@@ -307,7 +307,7 @@ static void make_heartbeat(uint8_t *table, int len)
        len >>= 3;
        for (i = 0; i < 2; i++)
                for (j = 0; j < len; j++)
-                       *table++ = sin(j * M_PI / len) * 255;
+                       *table++ = sin(j * PI / len) * 255;
 }
 
 static int configure_led(const struct sr_dev_inst *sdi)