Diff: SC18IS602.h

Revision:

0:833cb2c6da5d

Child:

1:2a7edc2be6df

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SC18IS602.h	Fri Feb 01 09:40:03 2019 +0000
@@ -0,0 +1,129 @@
+#ifndef H_SC18IS602
+#define H_SC18IS602
+
+#include "mbed.h"
+#include <string>
+
+#include "PCA9555.h"
+
+class SC18IS602
+{
+    public:    
+    
+        static const int BUFFER_SIZE       = 200;// Byte
+        static const bool ACK              = false;
+        static const bool NACK             = true;
+        static const bool INTERRUPT        = false;
+        
+        
+        // Register Adress
+        static const int HARD_ADR          = 0x50;
+        static const int USER_ADR_MASK     = 0x07;
+        
+        static const int CMD_RW_CS0        = 0x01;
+        static const int CMD_RW_CS1        = 0x02;
+        static const int CMD_RW_CS2        = 0x04;
+        static const int CMD_RW_CS3        = 0x08;
+        
+        static const int ADR_SPI_CONF      = 0xF0;
+        static const int ADR_GPIO_WRITE    = 0xF4;
+        static const int ADR_GPIO_READ     = 0xF5;
+        static const int ADR_GPIO_EN       = 0xF6;
+        static const int ADR_GPIO_CONF     = 0xF7;
+        
+        
+        //Bit position of register Configure SPI Interface
+        static const int SPI_BIT_ORDER      = 5;
+        static const int SPI_MODE           = 2;
+        static const int SPI_CLK_RATE       = 0;
+        
+        // Register Value SPI bit order
+        static const int SPI_BIT_ORDER_MSB  = 0;                                // MSB of the data word is transmitted first
+        static const int SPI_BIT_ORDER_LSB  = 1;                                // LSB of the data word is transmitted first
+        
+        // Register Value SPI Mode (CPOL, CPHA)
+        static const int SPI_MODE_00       = 0;
+        static const int SPI_MODE_01       = 1;
+        static const int SPI_MODE_10       = 2;
+        static const int SPI_MODE_11       = 3;
+        
+        //Register Value - Clock Rate
+        static const int SPI_RATE_58K      = 0;
+        static const int SPI_RATE_115K     = 1;
+        static const int SPI_RATE_461K     = 2;
+        static const int SPI_RATE_1M8      = 3;
+        
+        
+                
+        // Bist position of Register GPIO Enable
+        static const int GPIO_CS0          = 0;
+        static const int GPIO_CS1          = 1;
+        static const int GPIO_CS2          = 2;
+        static const int GPIO_CS3          = 3;
+        
+        
+        
+        // Bit position of Register GPIO config
+        static const int GPIO_CONF_CS0     = 0;
+        static const int GPIO_CONF_CS1     = 2;
+        static const int GPIO_CONF_CS2     = 4;
+        static const int GPIO_CONF_CS3     = 6;
+        
+        
+        // Register Value of GPIO config
+        static const int BIDIRECTIONAL     = 0;                                                  // quasi bidirecitonal
+        static const int PUSH_PULL         = 1;                                                  //
+        static const int INPUT_ONLY        = 2;                                                  // high impedance
+        static const int OPEN_DRAIN        = 3;                                                  // needs an external pullup
+
+
+        const int iINT;
+
+        // public
+        SC18IS602(I2C *_i2c, uint8_t uiAdr);         
+        SC18IS602(I2C *_i2c, PCA9555 *_pca , uint8_t uiAdr);                    //
+        SC18IS602(I2C *_i2c, DigitalIn *_IntPin, uint8_t uiAdr);                 //
+
+        
+        bool configSPI(uint8_t uiConf);
+        bool enableGPIO(uint8_t uiConf);
+        bool configGPIO(uint8_t uiConf);
+
+        bool GPIO_pin3_on();
+        bool GPIO_pin3_off();
+        bool gpio_toggle(uint8_t uiPort);
+        
+        bool sendViaSPI(char cAdrByte, char *cDataBytes, uint8_t uiNum);
+        bool readViaSPI(char cAdrByte, char *cDataBytes, uint8_t uiNum);
+    
+    
+        bool getInt();
+        bool clearInt();
+    
+    private:                                                                    // private
+        I2C *i2c;                                                               // Serial Data & Clock
+        PCA9555 *pca;
+        DigitalIn *IntPin;                                                      // Interrupt pin
+        
+        
+        bool sendViaI2C(const char *cData, int iLength, string sDebug = "");
+        bool readViaI2C(char *cData, int iLength, string sDebug = "");
+
+        
+        
+        
+        // variable
+        bool bAck;
+        unsigned int uiNumByte;
+        char cCmd[BUFFER_SIZE];
+        
+        const uint8_t SC18IS602_W;                                              // const write-address
+        const uint8_t SC18IS602_R;                                              // const read-address
+        
+        
+        char cDebug[100];
+        
+};
+
+
+#endif