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

[fw/sdcc] / device / lib / pic16 / libio / adc / adcopen.c

diff --git a/device/lib/pic16/libio/adc/adcopen.c b/device/lib/pic16/libio/adc/adcopen.c
index 43e8381eba4ad524fd39c2d8f2f815c9f9ec7e3a..1842eb10c172a7c004b4a83d9805252557fc5a3f 100644 (file)
--- a/device/lib/pic16/libio/adc/adcopen.c
+++ b/device/lib/pic16/libio/adc/adcopen.c
@@ -1,4 +1,32 @@
 
+/*
+ * adcopen - initialize AD module
+ *
+ * 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 <adc.h>
@@ -13,27 +41,27 @@
 
 void adc_open(unsigned char channel, unsigned char fosc, unsigned char pcfg, unsigned char config)
 {
-       ADCON0 = 0;
-       ADCON1 = 0;
-
-       /* setup channel */
-       ADCON0 |= (channel & 0x07) << 3;
-
-       /* setup fosc */
-       ADCON0 |= (fosc & 0x03) << 6;
-       ADCON1 |= (fosc & 0x04) << 4;
-       
-       /* setup reference and pins */
-       ADCON1 |= pcfg & 0x0f;
-       
-       ADCON0 |= (config & ADC_FRM_RJUST);
-       
-       if(config & ADC_INT_ON) {
-               PIR1bits.ADIF = 0;
-               PIE1bits.ADIE = 1;
-               INTCONbits.PEIE = 1;
-       }
-       
-       /* enable the A/D module */
-       ADCON0bits.ADON = 1;
+  ADCON0 = 0;
+  ADCON1 = 0;
+
+  /* setup channel */
+  ADCON0 |= (channel & 0x07) << 3;
+
+  /* setup fosc */
+  ADCON0 |= (fosc & 0x03) << 6;
+  ADCON1 |= (fosc & 0x04) << 4;
+  
+  /* setup reference and pins */
+  ADCON1 |= pcfg & 0x0f;
+  
+  ADCON0 |= (config & ADC_FRM_RJUST);
+  
+  if(config & ADC_INT_ON) {
+    PIR1bits.ADIF = 0;
+    PIE1bits.ADIE = 1;
+    INTCONbits.PEIE = 1;
+  }
+  
+  /* enable the A/D module */
+  ADCON0bits.ADON = 1;
 }