johnnyman727/proposed-tessel-rust-api.md

## proposed-tessel-rust-api.md

      
    Raw
  

              proposed-tessel-rust-api.md
            
          
    Construction

let mut tessel = Tessel::new();

#I2C
// Perhaps we want an Option here for frequency?
let i2c = tessel.port.a.I2C(address: u8, frequency: u32);
// Sending a buffer, no return val
i2c.send(buf: [u8]);
// Reading data, return buffer
let buf:u8 = i2c.read(readLength: u8);
// Writing and reading simultaenously
let buf:u8 = i2c.transfer(buf: [u8], readLength: u8);

#SPI
// Perhaps we want an Option here?
let spi = tessel.port.a.SPI(baudrate: u32);
// Sending a buffer, no return val
spi.send(buf: [u8]);
// Reading data, return buffer
let buf:u8 = spi.receive(readLength: u8);
// Transfering and reading
let buf:u8 = spi.read(buf: [u8], readLength: u8);