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Software/Cpp/grovepi.h

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+// Copyright Dexter Industries, 2016
+// http://dexterindustries.com/grovepi
+
+#ifndef GROVEPI_H
+#define GROVEPI_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <linux/i2c-dev.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdexcept>
+#include <time.h>
+
+namespace GrovePi
+{
+
+  extern const uint8_t INPUT;
+  extern const uint8_t OUTPUT;
+  extern const bool LOW;
+  extern const bool HIGH;
+  extern uint8_t GROVE_ADDRESS;
+
+  void SMBusName(char *smbus_name);
+
+  void initGrovePi();
+  int initDevice(uint8_t address);
+  void setMaxI2CRetries(int _max_i2c_retries);
+  void setGrovePiAddress(uint8_t addr);
+  void writeBlock(uint8_t command, uint8_t pin_number, uint8_t opt1 = 0, uint8_t opt2 = 0);
+  void writeByte(uint8_t byte_val);
+  uint8_t readBlock(uint8_t *data_block);
+  uint8_t readByte();
+
+  void delay(unsigned int milliseconds);
+  void pinMode(uint8_t pin, uint8_t mode);
+  void digitalWrite(uint8_t pin, bool value);
+  bool digitalRead(uint8_t pin);
+  void analogWrite(uint8_t pin, uint8_t value);
+  short analogRead(uint8_t pin);
+  short ultrasonicRead(uint8_t pin);
+
+
+  // this class purpose is to give a more meaningful
+  // description of problem that's encountered
+  // and to redefine the function name for getting error details
+  // (as suggested by Karan)
+  class I2CError : public std::runtime_error
+  {
+	  public:
+		  explicit I2CError(const char *str) : std::runtime_error(str) {
+		  }
+		  const char* detail();
+  };
+
+}
+
+#endif