Capacitive touch controller (3 buttons)

class CAP1203.CAP1203

Bases: object

Capacitive touch controller. Class for CAP1203 touch sensor.

MAIN_CTRL_REG = 0

SENSOR_INPUTS = 3

activeMode()

Set the capacitive controller in active mode.

Parameters:none – Returns:none

checkSensorStatus()

Check the current sensor status.

Parameters:none – Returns:status - Current chip status

clearInterrupt()

Clear any active interrupts.

Parameters:none – Returns:none

configureMultiTouch(number, mulchan)

Configure the capacitve touch for multitouch inputs.

Parameters:

• number – number of simultaneous touches 2 or 3
• chan – One of the three channels.

Returns:

none

deepSleep()

Put the capacitive controller in deep sleep mode.

Parameters:none – Returns:none

enableInterrupt(pin)

Enable the interrupt mode.

Parameters:pin – Enables interrupt on the specific pin Returns:none

getStatusReg()

Read the status register.

Parameters:none – Returns:status - Contents of status register

multitouchEvent()

Return true if a multi-touch event happened.

Parameters:none – Returns:true if a multi-touch event happened

read(address, reg)

Read the contents of the register.

Parameters:

• address – Sensor address
• reg – Register address to read from.

Returns:

data - Data content of register address

readID()

Read the sensor manufacturer ID.

Parameters:none – Returns:id - Sensor ID as a number

readPressedButton()

Read the pressed button, one of buttons 1 to 3.

Parameters:none – Returns:key - Button pressed

resumeFromDeepSleep()

Take the capacitive controller out of deep sleep mode.

Parameters:none – Returns:none

setPowerButton(button)

Configure the button for power button mode.

Parameters:button – One of the three buttons Returns:none

setSensitivity(sensitivity)

Configure the sensitivity of the controller.

Parameters:sensitivity – Returns:none

standbyMode()

Set the capacitive controller in standby mode.

Parameters:none – Returns:none

write(address, reg, data)

Write a byte to the register.

Parameters:

• address – Sensor address
• reg – Register address to write to.
• data – Data to be written on byte sized register.

Returns:

none