diff --git a/Arduino/AD5667.ino b/Arduino/AD5667.ino index 1ad9272..aee5c81 100755 --- a/Arduino/AD5667.ino +++ b/Arduino/AD5667.ino @@ -1,45 +1,45 @@ -// Distributed with a free-will license. -// Use it any way you want, profit or free, provided it fits in the licenses of its associated works. -// AD5667 -// This code is designed to work with the AD5667_I2CDAC I2C Mini Module available from ControlEverything.com. -// https://www.controleverything.com/content/Digital-Analog?sku=AD5667_I2CDAC#tabs-0-product_tabset-2 - -#include - -// AD5667 I2C address is 0x0E(14) -#define Addr 0x0E - -void setup() -{ - // Initialise I2C communication as Master - Wire.begin(); - // Initialise serial communication, set baud rate = 9600 - Serial.begin(9600); - delay(300); -} - -void loop() -{ - unsigned int data[2] = {0x80, 0x00}; - - // Start I2C transmission - Wire.beginTransmission(Addr); - // Select DAC and input register - Wire.write(0x1F); - // Write data = 0x8000(32768) - // data msb = 0x80 - Wire.write(data[0]); - // data lsb = 0x00 - Wire.write(data[1]); - // Stop I2C transmission - Wire.endTransmission(); - - // Convert the data, Vref = 5 V - float voltage = (((data[0] * 256) + (data[1])) / 65536.0) * 5.0; - - // Output data to serial monitor - Serial.print("Voltage : "); - Serial.print(voltage); - Serial.println(" V"); - delay(500); +// Distributed with a free-will license. +// Use it any way you want, profit or free, provided it fits in the licenses of its associated works. +// AD5667 +// This code is designed to work with the AD5667_I2CDAC I2C Mini Module available from ControlEverything.com. +// https://www.controleverything.com/content/Digital-Analog?sku=AD5667_I2CDAC#tabs-0-product_tabset-2 + +#include + +// AD5667 I2C address is 0x0E(14) +#define Addr 0x0E + +void setup() +{ + // Initialise I2C communication as Master + Wire.begin(); + // Initialise serial communication, set baud rate = 9600 + Serial.begin(9600); + delay(300); +} + +void loop() +{ + word data = 0x8000; + + // Start I2C transmission + Wire.beginTransmission(Addr); + // Select DAC and input register + Wire.write(0x1F); + // Write data = 0x8000(32768) + // data msb = 0x80 + Wire.write(highByte(data)); + // data lsb = 0x00 + Wire.write(lowByte(data)); + // Stop I2C transmission + Wire.endTransmission(); + + // Convert the data, Vref = 5 V + float voltage = (( highByte(data) * 256 + lowByte(data)) / 65535.0) * 5.0; + + // Output data to serial monitor + Serial.print("Voltage : "); + Serial.print(voltage); + Serial.println(" V"); + delay(500); }