update scum timing.
@@ -61,7 +61,7 @@ to return the board's description.
#define PORT_maxTxDataPrepare 1650 // 1650 ticks = 3300us @500000hz
#define PORT_maxRxAckPrepare 504 // 504 ticks = 1006us @500000hz
#define PORT_maxRxDataPrepare 504 // 504 ticks = 1006us @500000hz
-#define PORT_maxTxAckPrepare 1000 // 1000 ticks = 2000us @500000hz
+#define PORT_maxTxAckPrepare 1500 // 1500 ticks = 3000us @500000hz
// radio speed related
#define PORT_delayTx 39 // 39 ticks = 78us @500000hz
#define PORT_delayRx 0 // 0us (can not measure)
