Class: UChip::MCP2221::I2CProxy

Inherits:

Object

• Object
• UChip::MCP2221::I2CProxy

Defined in:

lib/uchip/mcp2221.rb

Instance Method Summary

• #cancel ⇒ Object
• #initialize(address, handler) ⇒ I2CProxy constructor

  A new instance of I2CProxy.

• #read(size) ⇒ Object
• #write(buf) ⇒ Object

Constructor Details

#initialize(address, handler) ⇒ I2CProxy

Returns a new instance of I2CProxy.

# File 'lib/uchip/mcp2221.rb', line 244

def initialize address, handler
  @read_address  = (address << 1) | 1
  @write_address = address << 1
  @handler       = handler
end

Instance Method Details

#cancel ⇒ Object

# File 'lib/uchip/mcp2221.rb', line 250

def cancel; @handler.i2c_cancel; end

#read(size) ⇒ Object

# File 'lib/uchip/mcp2221.rb', line 256

def read size
  @handler.i2c_read_start @read_address, 8
  @handler.i2c_read
end

#write(buf) ⇒ Object

# File 'lib/uchip/mcp2221.rb', line 252

def write buf
  @handler.i2c_write @write_address, buf
end