cpt112s_i2c.c File Reference

Detailed Description

helper functions for managing capsense inputs

Version

5.1.1

License

Copyright 2015 Silicon Labs, Inc. http://www.silabs.com

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 cpt112s_i2c.c.

#include "cpt112s_i2c.h"
#include "cpt112s_config.h"
#include "em_chip.h"
#include "em_cmu.h"
#include "em_i2c.h"
#include "em_gpio.h"
#include "em_device.h"
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>

Go to the source code of this file.

Functions
uint16_t	CPT112S_getCapsenseCurrent (void)
uint16_t	CPT112S_getCapsensePrevious (void)
uint16_t	CPT112S_getSliderCurrent (void)
uint16_t	CPT112S_getSliderPrevious (void)
void	CPT112S_init (void)
void	CPT112S_update (void)
static void	parseI2C (void)
static void	performI2CTransfer (void)
	Transmitting I2C data. Will busy-wait until the transfer is complete.
static void	setupI2C (void)
	Setup I2C.
static void	setupOscillators (void)
	Starting oscillators and enabling clocks.

Variables
static uint16_t	capsenseCurrent
static uint16_t	capsensePrevious
static uint8_t	i2c_rxBuffer [CPT112S_I2C_RXBUFFER_SIZE]
static volatile bool	i2c_rxInProgress
static volatile bool	i2c_startTx
static uint16_t	sliderCurrent
static uint16_t	sliderPrevious