Yann Garcia / MCP320x_SPI

Simplified access to the Microchip 1//8-Channels 12-Bit A/D Converters with SPI Serial Interface

Dependents:   MCP320xApp

Diff: MCP320x_SPI.cpp

Revision:
2:a273b5fcad50
Parent:
1:f0a81abeaef5
--- a/MCP320x_SPI.cpp	Thu Jun 06 07:59:25 2013 +0000
+++ b/MCP320x_SPI.cpp	Thu Sep 05 07:22:02 2013 +0000
@@ -35,7 +35,7 @@
         _familly = p_familly;
         switch (_familly) {
             case _3201:
-                _channelsNum = 0;
+                _channelsNum = 1;
                 break;
             case _3204:
                 _channelsNum = 4;
@@ -154,10 +154,10 @@
             cmd0 = mask;
             cmd1 = _channels << 6; // MCP3204 has 4 channels in single-ended mode
         } else { // MCP3208
-            cmd0 = mask | ((p_channels & 0x04) >> 2); // Extract D2 bit - See DS21298E-page 19 Clause 5.0 SERIAL COMMUNICATIONS
-            cmd1 = p_channels << 6; // MCP3204 has 8 channels in single-ended mode
+            cmd0 = mask | ((_channels & 0x04) >> 2); // Extract D2 bit - See DS21298E-page 19 Clause 5.0 SERIAL COMMUNICATIONS
+            cmd1 = _channels << 6; // MCP3204 has 8 channels in single-ended mode
         }
-        DEBUG_ENTER("CMCP320x_SPI::Read_320x: cmd0:%02x - cmd1:%02x", cmd0, cmd1)
+        DEBUG("CMCP320x_SPI::Read_320x: cmd0:%02x - cmd1:%02x", cmd0, cmd1)
         if (_cs != NULL) {
             _cs->write(0);
             wait_us(1);