initial cleanup and mapping

wiringPi/mcp3422.h

@@ -0,0 +1,43 @@
+/*
+ * mcp3422.c:
+ *	Extend wiringPi with the MCP3422 I2C ADC chip
+ ***********************************************************************
+ * This file is part of wiringPi:
+ *	https://projects.drogon.net/raspberry-pi/wiringpi/
+ *
+ *    wiringPi is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Lesser General Public License as
+ *    published by the Free Software Foundation, either version 3 of the
+ *    License, or (at your option) any later version.
+ *
+ *    wiringPi 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 Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public
+ *    License along with wiringPi.
+ *    If not, see <http://www.gnu.org/licenses/>.
+ ***********************************************************************
+ */
+
+#define	MCP3422_SR_3_75	0
+#define	MCP3422_SR_15	1
+#define	MCP3422_SR_60	2
+#define	MCP3422_SR_240	3
+
+#define	MCP3422_GAIN_1	0
+#define	MCP3422_GAIN_2	1
+#define	MCP3422_GAIN_4	2
+#define	MCP3422_GAIN_8	3
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int mcp3422Setup (int pinBase, int i2cAddress, int sampleRate, int gain) ;
+
+#ifdef __cplusplus
+}
+#endif