Diff: MCP/MCP.h

Revision:

1:5b0303768126

Parent:

0:db8d4af513c0

Child:

2:32d2cd7d744b

--- a/MCP/MCP.h	Mon Jan 20 08:46:24 2020 +0000
+++ b/MCP/MCP.h	Tue Jan 21 11:10:33 2020 +0000
@@ -2,35 +2,34 @@
 #define  MCP_H_
 
 #include "mbed.h"
+#include "MCP23017.h"
 
 #define SDA PB_7
 #define SCL PB_6
 
 #define MCP_ADDRESS 0x40
 
-// MCP register address
-#define IODIRA   0x00
-#define IODIRB   0x01
-#define IPOLA    0x02
-#define IPOLB    0x03
-#define GPINTENA 0x04
-#define GPINTENB 0x05
-#define DEFVALA  0x06
-#define DEFVALB  0x07
-#define INTCONA  0x08
-#define INTCONB  0x09
-#define IOCONA   0x0A
-#define IOCONB   0x0B
-#define GPPUA    0x0C
-#define GPPUB    0x0D
-#define INTFA    0x0E
-#define INTFB    0x0F
-#define INTCAPA  0x10
-#define INTCAPB  0x11
-#define GPIOA    0x12
-#define GPIOB    0x13
-#define OLATA    0x14
-#define OLATB    0x15
+
+
+typedef enum {
+    a0 = 0,
+    a1 = 1,
+    a2 = 2,
+    a3 = 3,
+    a4 = 4,
+    a5 = 5,
+    a6 = 6,
+    a7 = 7,
+    b0 = 8,
+    b1 = 9,
+    b2 = 10,
+    b3 = 11,
+    b4 = 12,
+    b5 = 13,
+    b6 = 14,
+    b7 = 15,
+}pin_name;
+
 
 typedef enum {
     OUTPUT,
@@ -38,10 +37,15 @@
     INPUT_PULLUP,
 }pin_mode;
 
+typedef struct byte{
+    uint8_t port_A;
+    uint8_t port_B;
+}byte;
+
 typedef union {
-    uint8_t port_A, port_B;
+    byte port;
     uint16_t all;
-}mcp_register;
+}mcp_data;
 
 class MCP {
     public:
@@ -50,11 +54,11 @@
         /                                              */
         MCP(PinName sda, PinName scl, uint8_t device_address);
         // MCP pin define * pin number is 0 ~ 15
-        void PinMode(uint8_t pin, uint8_t mode);
+        void PinMode(uint8_t pin, pin_mode mode);
         // MCP DigitalWrite * pin number is 0 ~ 15
         void Write(uint8_t pin, bool signal);
         // MCP DigitalRead * pin number is 0 ~ 15
-        bool Read(uint8_t pin, bool signal);
+        bool Read(uint8_t pin);
         // MCP initialize
         void Initialize(void);
         // MCP register update and read new data
@@ -64,15 +68,17 @@
         
     private:
         I2C i2c;
+        MCP23017 mcp;
         char _read_opcode;
         char _write_opcode;
         
-        uint16_t _pull_data;
-        uint16_t _read_data;
-        uint16_t _write_data;
+        mcp_data _iodir_data;
+        mcp_data _pull_data;
+        mcp_data _read_data;
+        mcp_data _write_data;
         
         void _Write(uint8_t address, uint8_t data);
-        void _Read(uint8_t address, uint8_t data);    
+        void _Read(uint8_t address, uint8_t data);
     
 };