capsense.c File Reference

Capacitive sense driver.



Copyright 2015 Silicon Labs, Inc.

This file is licensed under the Silabs License Agreement. See the file "Silabs_License_Agreement.txt" for details. Before using this software for any purpose, you must agree to the terms of that agreement.

Definition in file capsense.c.

#include "em_device.h"
#include "em_acmp.h"
#include "em_cmu.h"
#include "em_emu.h"
#include "capsense.h"


uint32_t CAPSENSE_getNormalizedVal (uint8_t channel)
 Get the current normalized channelValue for a channel.
bool CAPSENSE_getPressed (uint8_t channel)
 Get the state of the Gecko Button.
int32_t CAPSENSE_getSliderPosition (void)
 Get the position of the slider.
uint32_t CAPSENSE_getVal (uint8_t channel)
 Get the current channelValue for a channel.
void CAPSENSE_Init (void)
 Initializes the capacitive sense system.
static void CAPSENSE_Measure (ACMP_Channel_TypeDef channel)
 Start a capsense measurement of a specific channel and waits for it to complete.
void CAPSENSE_Sense (void)
 This function iterates through all the capsensors and reads and initiates a reading. Uses EM1 while waiting for the result from each sensor.
void TIMER0_IRQHandler (void)
 TIMER0 interrupt handler.