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stmpe811.c File Reference

stmpe811.c File Reference

This file provides a set of functions needed to manage the STMPE811 IO Expander devices. More...

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Functions

static uint8_t stmpe811_GetInstance (uint16_t DeviceAddr)
 Check if the device instance of the selected address is already registered and return its index.
void stmpe811_Init (uint16_t DeviceAddr)
 Initialize the stmpe811 and configure the needed hardware resources.
void stmpe811_Reset (uint16_t DeviceAddr)
 Reset the stmpe811 by Software.
uint16_t stmpe811_ReadID (uint16_t DeviceAddr)
 Read the stmpe811 IO Expander device ID.
void stmpe811_EnableGlobalIT (uint16_t DeviceAddr)
 Enable the Global interrupt.
void stmpe811_DisableGlobalIT (uint16_t DeviceAddr)
 Disable the Global interrupt.
void stmpe811_EnableITSource (uint16_t DeviceAddr, uint8_t Source)
 Enable the interrupt mode for the selected IT source.
void stmpe811_DisableITSource (uint16_t DeviceAddr, uint8_t Source)
 Disable the interrupt mode for the selected IT source.
void stmpe811_SetITPolarity (uint16_t DeviceAddr, uint8_t Polarity)
 Set the global interrupt Polarity.
void stmpe811_SetITType (uint16_t DeviceAddr, uint8_t Type)
 Set the global interrupt Type.
uint8_t stmpe811_GlobalITStatus (uint16_t DeviceAddr, uint8_t Source)
 Check the selected Global interrupt source pending bit.
uint8_t stmpe811_ReadGITStatus (uint16_t DeviceAddr, uint8_t Source)
 Return the Global interrupts status.
void stmpe811_ClearGlobalIT (uint16_t DeviceAddr, uint8_t Source)
 Clear the selected Global interrupt pending bit(s)
void stmpe811_IO_Start (uint16_t DeviceAddr, uint32_t IO_Pin)
 Start the IO functionality use and disable the AF for selected IO pin(s).
uint8_t stmpe811_IO_Config (uint16_t DeviceAddr, uint32_t IO_Pin, IO_ModeTypedef IO_Mode)
 Configures the IO pin(s) according to IO mode structure value.
void stmpe811_IO_InitPin (uint16_t DeviceAddr, uint32_t IO_Pin, uint8_t Direction)
 Initialize the selected IO pin direction.
void stmpe811_IO_DisableAF (uint16_t DeviceAddr, uint32_t IO_Pin)
 Disable the AF for the selected IO pin(s).
void stmpe811_IO_EnableAF (uint16_t DeviceAddr, uint32_t IO_Pin)
 Enable the AF for the selected IO pin(s).
void stmpe811_IO_SetEdgeMode (uint16_t DeviceAddr, uint32_t IO_Pin, uint8_t Edge)
 Configure the Edge for which a transition is detectable for the selected pin.
void stmpe811_IO_WritePin (uint16_t DeviceAddr, uint32_t IO_Pin, uint8_t PinState)
 Write a new IO pin state.
uint32_t stmpe811_IO_ReadPin (uint16_t DeviceAddr, uint32_t IO_Pin)
 Return the state of the selected IO pin(s).
void stmpe811_IO_EnableIT (uint16_t DeviceAddr)
 Enable the global IO interrupt source.
void stmpe811_IO_DisableIT (uint16_t DeviceAddr)
 Disable the global IO interrupt source.
void stmpe811_IO_EnablePinIT (uint16_t DeviceAddr, uint32_t IO_Pin)
 Enable interrupt mode for the selected IO pin(s).
void stmpe811_IO_DisablePinIT (uint16_t DeviceAddr, uint32_t IO_Pin)
 Disable interrupt mode for the selected IO pin(s).
uint32_t stmpe811_IO_ITStatus (uint16_t DeviceAddr, uint32_t IO_Pin)
 Check the status of the selected IO interrupt pending bit.
void stmpe811_IO_ClearIT (uint16_t DeviceAddr, uint32_t IO_Pin)
 Clear the selected IO interrupt pending bit(s).
void stmpe811_TS_Start (uint16_t DeviceAddr)
 Configures the touch Screen Controller (Single point detection)
uint8_t stmpe811_TS_DetectTouch (uint16_t DeviceAddr)
 Return if there is touch detected or not.
void stmpe811_TS_GetXY (uint16_t DeviceAddr, uint16_t *X, uint16_t *Y)
 Get the touch screen X and Y positions values.
void stmpe811_TS_EnableIT (uint16_t DeviceAddr)
 Configure the selected source to generate a global interrupt or not.
void stmpe811_TS_DisableIT (uint16_t DeviceAddr)
 Configure the selected source to generate a global interrupt or not.
uint8_t stmpe811_TS_ITStatus (uint16_t DeviceAddr)
 Configure the selected source to generate a global interrupt or not.
void stmpe811_TS_ClearIT (uint16_t DeviceAddr)
 Configure the selected source to generate a global interrupt or not.

Detailed Description

This file provides a set of functions needed to manage the STMPE811 IO Expander devices.

Author:
MCD Application Team
Version:
V2.0.0
Date:
15-December-2014
Attention:

© COPYRIGHT(c) 2014 STMicroelectronics

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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Definition in file stmpe811.c.