Silicon Labs
Driver for the capacitive sense slider available on the EFM32 Giant, Wonder and Leopard starter kits.
Dependents: EFM32 RDA5807M RDS Radio EMF32-Segment-Touch-Demo EFM32_Bugs MFALHIMOHAMMED ... more
Capacitive sense driver. More...
Go to the source code of this file.
Functions | |
| void | CAPLESENSE_setupCMU (void) |
| Prototypes. | |
| void | CAPLESENSE_setupGPIO (void) |
| Setup the GPIO. | |
| void | CAPLESENSE_setupACMP (void) |
| Setup the ACMP. | |
| void | CAPLESENSE_setupLESENSE (bool sleep) |
| Setup the LESENSE for capavitive sensing. | |
| void | CAPLESENSE_setupCallbacks (void(*scanCb)(void), void(*chCb)(void)) |
| LESENSE callback setup. | |
| void | LESENSE_IRQHandler (void) |
| LESENSE interrupt handler. | |
| uint8_t | CAPLESENSE_getSegmentChannel (uint8_t capSegment) |
| Get the channelValue for a sensor segment. | |
| uint32_t | CAPLESENSE_getVal (uint8_t channel) |
| Get the current channelValue for a channel. | |
| uint32_t | CAPLESENSE_getNormalizedVal (uint8_t channel) |
| Get the current normalized channelValue for a channel. | |
| int32_t | CAPLESENSE_getSliderPosition (void) |
| Get the position of the slider. | |
| void | CAPLESENSE_Sleep (void) |
| Send the capacative sense system to sleep mode. | |
| void | CAPLESENSE_Init (bool sleep) |
| Initializes the capacative sense system without LESENSE. | |
Variables | |
| static volatile uint32_t | channelValues [LESENSE_CHANNELS] |
| This vector stores the latest read values from LESENSE. | |
| static volatile uint32_t | channelMaxValues [LESENSE_CHANNELS] |
| This stores the maximum values seen by a channel. | |
| static const bool | channelsInUse [LESENSE_CHANNELS] = LESENSE_CAPSENSE_CH_IN_USE |
| A bit vector which represents the channels to iterate through. | |
| static void(* | lesenseScanCb )(void) |
| Local variables. | |
| static void(* | lesenseChCb )(void) |
| Callback function for LESENSE interrupts. | |
| static volatile uint8_t | currentChannel |
| The current channel we are sensing. | |
Detailed Description
Capacitive sense driver.
- Version:
- 3.20.9
License
(C) Copyright 2014 Silicon Labs, http://www.silabs.com
This file is licensensed 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 caplesense.c.
Function Documentation
| void CAPLESENSE_setupACMP | ( | void | ) |
Setup the ACMP.
Definition at line 136 of file caplesense.c.
| void CAPLESENSE_setupCMU | ( | void | ) |
| void CAPLESENSE_setupGPIO | ( | void | ) |
Setup the GPIO.
Definition at line 119 of file caplesense.c.
| void LESENSE_IRQHandler | ( | void | ) |
LESENSE interrupt handler.
Definition at line 347 of file caplesense.c.
Variable Documentation
volatile uint32_t channelMaxValues[LESENSE_CHANNELS] [static] |
{
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1
}
This stores the maximum values seen by a channel.
- Parameters:
-
LESENSE_CHANNELS Vector of channels.
Definition at line 54 of file caplesense.c.
const bool channelsInUse[LESENSE_CHANNELS] = LESENSE_CAPSENSE_CH_IN_USE [static] |
A bit vector which represents the channels to iterate through.
- Parameters:
-
LESENSE_CHANNELS Vector of channels.
Definition at line 66 of file caplesense.c.
volatile uint32_t channelValues[LESENSE_CHANNELS] [static] |
{
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0
}
This vector stores the latest read values from LESENSE.
- Parameters:
-
LESENSE_CHANNELS Vector of channels.
Definition at line 41 of file caplesense.c.
volatile uint8_t currentChannel [static] |
The current channel we are sensing.
Definition at line 86 of file caplesense.c.
void(* lesenseChCb)(void) [static] |
Callback function for LESENSE interrupts.
Definition at line 83 of file caplesense.c.
void(* lesenseScanCb)(void) [static] |
Local variables.
Callback function for LESENSE interrupts.
Definition at line 81 of file caplesense.c.
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