work onmemberfunctions

MCP4725/mcp4725.cpp

@@ -16,7 +16,7 @@ MCP4725::MCP4725(pwrd_md power_down_mode,
 	temp[4] = temp[1];
 	temp[5] = temp[2];
 
-	i2c_write(temp,6);
+	i2c_write(address, temp,6);
 }
 
 MCP4725::MCP4725(i2c_addr address,
@@ -34,7 +34,7 @@ MCP4725::MCP4725(i2c_addr address,
 	temp[4] = temp[1];
 	temp[5] = temp[2];
 
-	i2c_write(temp,6);
+	i2c_write(address, temp, 6);
 }
 
 MCP4725::~MCP4725()
@@ -42,4 +42,35 @@ MCP4725::~MCP4725()
 
 }
 
+void MCP4725::operator=(uint16_t dac_value)
+{
+	uint8_t temp[3];
+	this.dac_value = dac_value;
+	
+	temp[0] = write_dac | (power_down_mode << 1);
+	temp[1] = static_cast<uint8_t>(dac_value >> 4);
+	temp[2] = static_cast<uint8_t>(dac_value << 4);
+
+	i2c_write(address, temp, 3);
+}
+
+void MCP4725::operator==(uint16_t dac_and_eeprom_value)
+{
+	uint8_t temp[6];
+	dac_value = dac_and_eeprom_value;
+	eeprom_value = dac_value;
+
+	temp[0] = write_dac_and_eeprom | (power_down_mode << 1); 
+}
+
+void MCP4725::write_dac(uint16_t dac_value)
+{
+	&this = dac_value;
+}
+
+void MCP4725::write_dac_and_eeprom(uint16_t dac_and_eeprom_value)
+{
+	&this == dac_and_eeprom_value;
+}
+
 

MCP4725/mcp4725.hpp

@@ -31,7 +31,7 @@ class MCP4725
 
 		//using std::functional<uint8_t(uint8_t, uint8_t)> i2c_read_n_t;
 
-		using std::functional<void(uint8_t*,uint8_t)> i2c_write_n_t;
+		using i2c_write_n_t = std::functional<void(uint8_t, uint8_t*,uint8_t)>;
 
 		MCP4725(pwrd_md power_down_mode,
 			i2c_addr address,