Diff: ExioMcp23s17.h

Revision:

0:54debc783452

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ExioMcp23s17.h	Fri Nov 04 19:48:18 2016 +0000
@@ -0,0 +1,47 @@
+/*
+ * ExioMcp23s17.h
+ * Rapper Class for MCP23S17
+ *
+ * Use MCP23S17 Library:
+ * 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) {}
+        
+    uint8_t ioDirection(ExioPort port) { return read(IODIRA_ADDR | port); }
+    void ioDirection(ExioPort port, uint8_t data) { write(IODIRA_ADDR | port, data); }
+    
+    uint8_t ioPolarity(ExioPort port) { return read(IPOLA_ADDR | port); }
+    void ioPolarity(ExioPort port, uint8_t data) { write(IPOLA_ADDR | port, data); }
+    
+    uint8_t ioPullup(ExioPort port) { return read(GPPUA_ADDR | port); }
+    void ioPullup(ExioPort port, uint8_t data) { write(GPPUA_ADDR | port, data); }
+    
+    uint8_t readPort(ExioPort port) { return read(GPIOA_ADDR | port); }
+    void writePort(ExioPort port, uint8_t data) { write(GPIOA_ADDR | port, data); }
+
+protected:
+    void write(uint8_t reg_address, uint8_t data) { MCP23S17::write(reg_address, data); }
+    uint8_t read(uint8_t reg_address) { return MCP23S17::read(reg_address); }
+};
+
+#endif //_EXIOMCP23S17_H_
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