work on DAC

MCP4725/mcp4725.cpp

@@ -0,0 +1,11 @@
+#include "mcp4725.hpp"
+
+MCP4725::MCP4725()
+{
+
+}
+
+MCP4725::~MCP4725()
+{
+
+}

MCP4725/mcp4725.hpp

@@ -0,0 +1,56 @@
+#ifndef _MCP4725_HPP_
+#define _MCP4725_HPP_
+
+class MCP4725
+{
+	public:
+		// address list
+		enum i2c_addr
+		{
+			addr_0x0 = 0b01100000,
+			addr_0x1 = addr_0x0 + 1,
+			addr_0x2 = addr_0x0 + 1,
+			addr_0x3 = addr_0x0 + 1,
+			addr_0x4 = addr_0x0 + 1,
+			addr_0x5 = addr_0x0 + 1,
+			addr_0x6 = addr_0x0 + 1,
+			addr_0x7 = addr_0x0 + 1
+		}
+
+		// power down impedance  modes
+		enum pwrd_md
+		{
+			normal = 0x04,
+			ohm_1k = 0x01,
+			ohm_100k = 0x02,
+			ohm_500k = 0x03
+		};
+
+		MCP4725(pwrd_md power_down_mode,
+			i2c_addr address);
+
+		MCP4725(i2c_addr address);
+
+		~MCP4725();
+		
+		void operator=(uint16_t dac_value);
+		
+		void operator==(uint16_t dac_and_eeprom_value);
+
+		void write_dac_and_eeprom(uint16_t value);
+
+		void set_powerdown_impedance(pwrd_md mode);
+
+		i2c_addr get_i2c_addr();
+
+		void set_power
+		
+
+	private:
+		i2c_addr address;
+		pwrd_md power_down_mode;
+
+
+};
+
+#endif // _MCP4725_HPP_