* src/pic16/device.c (Pics16[]): added devices 18F2550, 18F4331,

[fw/sdcc] / device / lib / pic16 / libio / usart / ugetc.c

diff --git a/device/lib/pic16/libio/usart/ugetc.c b/device/lib/pic16/libio/usart/ugetc.c
new file mode 100644 (file)
index 0000000..242b875
--- /dev/null
+++ b/device/lib/pic16/libio/usart/ugetc.c
@@ -0,0 +1,53 @@
+
+/*
+ * ugetc - get received character
+ *
+ * written by Vangelis Rokas, 2004 <vrokas AT otenet.gr>
+ *
+ * Devices implemented:
+ *     PIC18F[24][45][28]
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ *
+ * $Id$
+ */
+
+
+#include <pic18fregs.h>
+
+#include <usart.h>
+
+extern union USART USART_Status;
+
+unsigned char usart_getc(void)
+{
+  USART_Status.val &= 0xf0;
+
+  if(RCSTAbits.RX9) {
+    USART_Status.RX_NINE = 0;
+    if(RCSTAbits.RX9D)
+      USART_Status.RX_NINE = 1;
+  }
+
+  if(RCSTAbits.FERR)
+    USART_Status.FRAME_ERROR = 1;
+
+  if(RCSTAbits.OERR)
+    USART_Status.OVERRUN_ERROR = 1;
+
+  return (RCREG);
+}