Diff: ExioMcp23s17.h

Revision:

0:54f1f00eb42f

Child:

1:2315f8a0be58

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ExioMcp23s17.h	Sun Oct 30 12:22:48 2016 +0000
@@ -0,0 +1,46 @@
+/*
+ * ExioMcp23s17.h
+ * Rapper Class for MCP23S17
+ *
+ * https://developer.mbed.org/users/stjo2809/code/MCP23S17/
+ *
+ * 割込み処理は未実装
+ *
+ * Created: 2016.10.30
+ *
+ */
+ 
+#ifndef _EXIOMCP23S17_H_
+#define _EXIOMCP23S17_H_
+
+#include "mbed.h"
+#include "MCP23S17.h"
+
+typedef enum { ExioPortA, ExioPortB } ExioPort;
+
+class ExioMcp23s17 : public MCP23S17 {
+public:
+    ExioMcp23s17(int hardwareaddress, SPI& spi, PinName nCs, PinName nReset) :
+        MCP23S17(hardwareaddress, spi, nCs, nReset) {}
+    
+    ExioMcp23s17(int hardwareaddress, SPI& spi, PinName nCs) :
+        MCP23S17(hardwareaddress, spi, nCs) {}
+        
+    char ioDirection(ExioPort port) { return read(IODIRA_ADDR | port); }
+    void ioDirection(ExioPort port, char data) { write(IODIRA_ADDR | port, data); }
+    
+    char ioPolarity(ExioPort port) { return read(IPOLA_ADDR | port); }
+    void ioPolarity(ExioPort port, char data) { write(IPOLA_ADDR | port, data); }
+    
+    char ioPullup(ExioPort port) { return read(GPPUA_ADDR | port); }
+    void ioPullup(ExioPort port, char data) { write(GPPUA_ADDR | port, data); }
+    
+    char readPort(ExioPort port) { return read(GPIOA_ADDR | port); }
+    void writePort(ExioPort port, char data) { write(GPIOA_ADDR | port, data); }
+
+protected:
+    void write(char reg_address, char data) { MCP23S17::write(reg_address, data); }
+    char read(char reg_address) { return MCP23S17::read(reg_address); }
+};
+
+#endif //_EXIOMCP23S17_H_
\ No newline at end of file