Changeset 629:b641b3511145 for nxos/base/drivers/rs485.c

Timestamp:

08/15/08 19:25:11 (5 months ago)

Author:

David Anderson <dave@…>

Branch:

default

Message:

Make nx_rs485_shutdown only work when the driver is idle.

Shutting down the driver while a communication is in progress is now a
programming error.

Files:

• nxos/base/drivers/rs485.c (modified) (2 diffs)

nxos/base/drivers/rs485.c

@@ -179 +179 @@
 }
 
-bool nx_rs485_stop(void) {
-  NX_ASSERT(rs485_state.status != RS485_UNINITIALIZED);
-  if (rs485_state.status != RS485_IDLE) {
-    return FALSE;
-  }
+void nx_rs485_shutdown(void) {
+  NX_ASSERT(rs485_state.status == RS485_IDLE);
 
   *AT91C_US0_CR = AT91C_US_RSTTX  |      /* Transmitter reset */
@@ -193 +190 @@
 
   rs485_state.status = RS485_UNINITIALIZED;
-  return TRUE;
 }