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STM32L476G-Discovery board drivers V1.0.0

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MFXSTM32L152_Private_Functions
Functions

MFXSTM32L152_Private_Functions
[MFXSTM32L152_Private_Function_Prototypes]

Functions

void mfxstm32l152_Init (uint16_t DeviceAddr)
 Initialize the mfxstm32l152 and configure the needed hardware resources.
void mfxstm32l152_DeInit (uint16_t DeviceAddr)
 DeInitialize the mfxstm32l152 and unconfigure the needed hardware resources.
void mfxstm32l152_Reset (uint16_t DeviceAddr)
 Reset the mfxstm32l152 by Software.
void mfxstm32l152_LowPower (uint16_t DeviceAddr)
 Put mfxstm32l152 Device in Low Power standby mode.
void mfxstm32l152_WakeUp (uint16_t DeviceAddr)
 WakeUp mfxstm32l152 from standby mode.
uint16_t mfxstm32l152_ReadID (uint16_t DeviceAddr)
 Read the MFXSTM32L152 IO Expander device ID.
uint16_t mfxstm32l152_ReadFwVersion (uint16_t DeviceAddr)
 Read the MFXSTM32L152 device firmware version.
void mfxstm32l152_EnableITSource (uint16_t DeviceAddr, uint8_t Source)
 Enable the interrupt mode for the selected IT source.
void mfxstm32l152_DisableITSource (uint16_t DeviceAddr, uint8_t Source)
 Disable the interrupt mode for the selected IT source.
uint8_t mfxstm32l152_GlobalITStatus (uint16_t DeviceAddr, uint8_t Source)
 Returns the selected Global interrupt source pending bit value.
void mfxstm32l152_ClearGlobalIT (uint16_t DeviceAddr, uint8_t Source)
 Clear the selected Global interrupt pending bit(s)
void mfxstm32l152_SetIrqOutPinPolarity (uint16_t DeviceAddr, uint8_t Polarity)
 Set the global interrupt Polarity of IRQ_OUT_PIN.
void mfxstm32l152_SetIrqOutPinType (uint16_t DeviceAddr, uint8_t Type)
 Set the global interrupt Type of IRQ_OUT_PIN.
void mfxstm32l152_IO_Start (uint16_t DeviceAddr, uint32_t IO_Pin)
 Start the IO functionality used and enable the AF for selected IO pin(s).
uint8_t mfxstm32l152_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 mfxstm32l152_IO_InitPin (uint16_t DeviceAddr, uint32_t IO_Pin, uint8_t Direction)
 Initialize the selected IO pin direction.
void mfxstm32l152_IO_SetIrqEvtMode (uint16_t DeviceAddr, uint32_t IO_Pin, uint8_t Evt)
 Set the global interrupt Type.
void mfxstm32l152_IO_SetIrqTypeMode (uint16_t DeviceAddr, uint32_t IO_Pin, uint8_t Type)
 Configure the Edge for which a transition is detectable for the selected pin.
void mfxstm32l152_IO_WritePin (uint16_t DeviceAddr, uint32_t IO_Pin, uint8_t PinState)
 When GPIO is in output mode, puts the corresponding GPO in High (1) or Low (0) level.
uint32_t mfxstm32l152_IO_ReadPin (uint16_t DeviceAddr, uint32_t IO_Pin)
 Return the state of the selected IO pin(s).
void mfxstm32l152_IO_EnableIT (uint16_t DeviceAddr)
 Enable the global IO interrupt source.
void mfxstm32l152_IO_DisableIT (uint16_t DeviceAddr)
 Disable the global IO interrupt source.
void mfxstm32l152_IO_EnablePinIT (uint16_t DeviceAddr, uint32_t IO_Pin)
 Enable interrupt mode for the selected IO pin(s).
void mfxstm32l152_IO_DisablePinIT (uint16_t DeviceAddr, uint32_t IO_Pin)
 Disable interrupt mode for the selected IO pin(s).
uint32_t mfxstm32l152_IO_ITStatus (uint16_t DeviceAddr, uint32_t IO_Pin)
 Check the status of the selected IO interrupt pending bit.
void mfxstm32l152_IO_ClearIT (uint16_t DeviceAddr, uint32_t IO_Pin)
 Clear the selected IO interrupt pending bit(s).
void mfxstm32l152_IO_EnableAF (uint16_t DeviceAddr)
 Enable the AF for aGPIO.
void mfxstm32l152_IO_DisableAF (uint16_t DeviceAddr)
 Disable the AF for aGPIO.
void mfxstm32l152_TS_Start (uint16_t DeviceAddr)
 Configures the touch Screen Controller (Single point detection)
uint8_t mfxstm32l152_TS_DetectTouch (uint16_t DeviceAddr)
 Return if there is touch detected or not.
void mfxstm32l152_TS_GetXY (uint16_t DeviceAddr, uint16_t *X, uint16_t *Y)
 Get the touch screen X and Y positions values.
void mfxstm32l152_TS_EnableIT (uint16_t DeviceAddr)
 Configure the selected source to generate a global interrupt or not.
void mfxstm32l152_TS_DisableIT (uint16_t DeviceAddr)
 Configure the selected source to generate a global interrupt or not.
uint8_t mfxstm32l152_TS_ITStatus (uint16_t DeviceAddr)
 Configure the selected source to generate a global interrupt or not.
void mfxstm32l152_TS_ClearIT (uint16_t DeviceAddr)
 Configure the selected source to generate a global interrupt or not.
void mfxstm32l152_IDD_Start (uint16_t DeviceAddr)
 Launch IDD current measurement.
void mfxstm32l152_IDD_Config (uint16_t DeviceAddr, IDD_ConfigTypeDef MfxIddConfig)
 Configures the IDD current measurement.
void mfxstm32l152_IDD_ConfigShuntNbLimit (uint16_t DeviceAddr, uint8_t ShuntNbLimit)
 This function allows to modify number of shunt used for a measurement.
void mfxstm32l152_IDD_GetValue (uint16_t DeviceAddr, uint32_t *ReadValue)
 Get Idd current value.
uint8_t mfxstm32l152_IDD_GetShuntUsed (uint16_t DeviceAddr)
 Get Last shunt used for measurement.
void mfxstm32l152_IDD_EnableIT (uint16_t DeviceAddr)
 Configure mfx to enable Idd interrupt.
void mfxstm32l152_IDD_ClearIT (uint16_t DeviceAddr)
 Clear Idd global interrupt.
uint8_t mfxstm32l152_IDD_GetITStatus (uint16_t DeviceAddr)
 get Idd interrupt status
void mfxstm32l152_IDD_DisableIT (uint16_t DeviceAddr)
 disable Idd interrupt
uint8_t mfxstm32l152_Error_ReadSrc (uint16_t DeviceAddr)
 Read Error Source.
uint8_t mfxstm32l152_Error_ReadMsg (uint16_t DeviceAddr)
 Read Error Message.
void mfxstm32l152_Error_EnableIT (uint16_t DeviceAddr)
 Enable Error global interrupt.
void mfxstm32l152_Error_ClearIT (uint16_t DeviceAddr)
 Clear Error global interrupt.
uint8_t mfxstm32l152_Error_GetITStatus (uint16_t DeviceAddr)
 get Error interrupt status
void mfxstm32l152_Error_DisableIT (uint16_t DeviceAddr)
 disable Error interrupt
uint8_t mfxstm32l152_ReadReg (uint16_t DeviceAddr, uint8_t RegAddr)
 FOR DEBUG ONLY.
static uint8_t mfxstm32l152_GetInstance (uint16_t DeviceAddr)
 Check if the device instance of the selected address is already registered and return its index.
static uint8_t mfxstm32l152_ReleaseInstance (uint16_t DeviceAddr)
 Release registered device instance.
static void mfxstm32l152_reg24_setPinValue (uint16_t DeviceAddr, uint8_t RegisterAddr, uint32_t PinPosition, uint8_t PinValue)
 Internal routine.

Function Documentation

void mfxstm32l152_ClearGlobalIT ( uint16_t  DeviceAddr,
uint8_t  Source 
)

Clear the selected Global interrupt pending bit(s)

Parameters:
DeviceAddr,:Device address on communication Bus.
Source,:the Global interrupt source to be cleared, could be any combination of the below values. The acknowledge signal for MFXSTM32L152_GPIOs configured in input with interrupt is not on this register but in IRQ_GPI_ACK1, IRQ_GPI_ACK2 registers.

  • MFXSTM32L152_IRQ_IDD : IDD interrupt
  • MFXSTM32L152_IRQ_ERROR : Error interrupt
  • MFXSTM32L152_IRQ_TS_DET : Touch Screen Controller Touch Detected interrupt
  • MFXSTM32L152_IRQ_TS_NE : Touch Screen FIFO Not Empty
  • MFXSTM32L152_IRQ_TS_TH : Touch Screen FIFO threshold triggered
  • MFXSTM32L152_IRQ_TS_FULL : Touch Screen FIFO Full
  • MFXSTM32L152_IRQ_TS_OVF : Touch Screen FIFO Overflow /\/\ IMPORTANT NOTE /\/\ must not use MFXSTM32L152_IRQ_GPIO as argument, see IRQ_GPI_ACK1 and IRQ_GPI_ACK2 registers
Return values:
None

Definition at line 378 of file mfxstm32l152.c.

void mfxstm32l152_DeInit ( uint16_t  DeviceAddr )

DeInitialize the mfxstm32l152 and unconfigure the needed hardware resources.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 183 of file mfxstm32l152.c.

void mfxstm32l152_DisableITSource ( uint16_t  DeviceAddr,
uint8_t  Source 
)

Disable the interrupt mode for the selected IT source.

Parameters:
DeviceAddr,:Device address on communication Bus.
Source,:The interrupt source to be configured, could be:

  • MFXSTM32L152_IRQ_GPIO: IO interrupt
  • MFXSTM32L152_IRQ_IDD : IDD interrupt
  • MFXSTM32L152_IRQ_ERROR : Error interrupt
  • MFXSTM32L152_IRQ_TS_DET : Touch Screen Controller Touch Detected interrupt
  • MFXSTM32L152_IRQ_TS_NE : Touch Screen FIFO Not Empty
  • MFXSTM32L152_IRQ_TS_TH : Touch Screen FIFO threshold triggered
  • MFXSTM32L152_IRQ_TS_FULL : Touch Screen FIFO Full
  • MFXSTM32L152_IRQ_TS_OVF : Touch Screen FIFO Overflow
Return values:
None

Definition at line 327 of file mfxstm32l152.c.

void mfxstm32l152_EnableITSource ( uint16_t  DeviceAddr,
uint8_t  Source 
)

Enable the interrupt mode for the selected IT source.

Parameters:
DeviceAddr,:Device address on communication Bus.
Source,:The interrupt source to be configured, could be:

  • MFXSTM32L152_IRQ_GPIO: IO interrupt
  • MFXSTM32L152_IRQ_IDD : IDD interrupt
  • MFXSTM32L152_IRQ_ERROR : Error interrupt
  • MFXSTM32L152_IRQ_TS_DET : Touch Screen Controller Touch Detected interrupt
  • MFXSTM32L152_IRQ_TS_NE : Touch Screen FIFO Not Empty
  • MFXSTM32L152_IRQ_TS_TH : Touch Screen FIFO threshold triggered
  • MFXSTM32L152_IRQ_TS_FULL : Touch Screen FIFO Full
  • MFXSTM32L152_IRQ_TS_OVF : Touch Screen FIFO Overflow
Return values:
None

Definition at line 299 of file mfxstm32l152.c.

void mfxstm32l152_Error_ClearIT ( uint16_t  DeviceAddr )

Clear Error global interrupt.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 1405 of file mfxstm32l152.c.

void mfxstm32l152_Error_DisableIT ( uint16_t  DeviceAddr )

disable Error interrupt

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None.

Definition at line 1427 of file mfxstm32l152.c.

void mfxstm32l152_Error_EnableIT ( uint16_t  DeviceAddr )

Enable Error global interrupt.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 1392 of file mfxstm32l152.c.

uint8_t mfxstm32l152_Error_GetITStatus ( uint16_t  DeviceAddr )

get Error interrupt status

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
Errorinterrupts status

Definition at line 1416 of file mfxstm32l152.c.

uint8_t mfxstm32l152_Error_ReadMsg ( uint16_t  DeviceAddr )

Read Error Message.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
Errormessage code with error source

Definition at line 1380 of file mfxstm32l152.c.

uint8_t mfxstm32l152_Error_ReadSrc ( uint16_t  DeviceAddr )

Read Error Source.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
Errormessage code with error source

Definition at line 1369 of file mfxstm32l152.c.

static uint8_t mfxstm32l152_GetInstance ( uint16_t  DeviceAddr ) [static]

Check if the device instance of the selected address is already registered and return its index.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
Indexof the device instance if registered, 0xFF if not.

Definition at line 1457 of file mfxstm32l152.c.

uint8_t mfxstm32l152_GlobalITStatus ( uint16_t  DeviceAddr,
uint8_t  Source 
)

Returns the selected Global interrupt source pending bit value.

Parameters:
DeviceAddr,:Device address on communication Bus.
Source,:the Global interrupt source to be checked, could be:

  • MFXSTM32L152_IRQ_GPIO: IO interrupt
  • MFXSTM32L152_IRQ_IDD : IDD interrupt
  • MFXSTM32L152_IRQ_ERROR : Error interrupt
  • MFXSTM32L152_IRQ_TS_DET : Touch Screen Controller Touch Detected interrupt
  • MFXSTM32L152_IRQ_TS_NE : Touch Screen FIFO Not Empty
  • MFXSTM32L152_IRQ_TS_TH : Touch Screen FIFO threshold triggered
  • MFXSTM32L152_IRQ_TS_FULL : Touch Screen FIFO Full
  • MFXSTM32L152_IRQ_TS_OVF : Touch Screen FIFO Overflow
Return values:
Thevalue of the checked Global interrupt source status.

Definition at line 356 of file mfxstm32l152.c.

void mfxstm32l152_IDD_ClearIT ( uint16_t  DeviceAddr )

Clear Idd global interrupt.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 1331 of file mfxstm32l152.c.

void mfxstm32l152_IDD_Config ( uint16_t  DeviceAddr,
IDD_ConfigTypeDef  MfxIddConfig 
)

Configures the IDD current measurement.

Parameters:
DeviceAddr,:Device address on communication Bus.
MfxIddConfig,:Parameters depending on hardware config.
Return values:
None

Definition at line 1160 of file mfxstm32l152.c.

void mfxstm32l152_IDD_ConfigShuntNbLimit ( uint16_t  DeviceAddr,
uint8_t  ShuntNbLimit 
)

This function allows to modify number of shunt used for a measurement.

Parameters:
DeviceAddr,:Device address on communication Bus
Return values:
None.

Definition at line 1269 of file mfxstm32l152.c.

void mfxstm32l152_IDD_DisableIT ( uint16_t  DeviceAddr )

disable Idd interrupt

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None.

Definition at line 1353 of file mfxstm32l152.c.

void mfxstm32l152_IDD_EnableIT ( uint16_t  DeviceAddr )

Configure mfx to enable Idd interrupt.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 1318 of file mfxstm32l152.c.

uint8_t mfxstm32l152_IDD_GetITStatus ( uint16_t  DeviceAddr )

get Idd interrupt status

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
IDDinterrupts status

Definition at line 1342 of file mfxstm32l152.c.

uint8_t mfxstm32l152_IDD_GetShuntUsed ( uint16_t  DeviceAddr )

Get Last shunt used for measurement.

Parameters:
DeviceAddr,:Device address on communication Bus
Return values:
Lastshunt used

Definition at line 1308 of file mfxstm32l152.c.

void mfxstm32l152_IDD_GetValue ( uint16_t  DeviceAddr,
uint32_t *  ReadValue 
)

Get Idd current value.

Parameters:
DeviceAddr,:Device address on communication Bus
ReadValue,:Pointer on value to be read
Return values:
Iddvalue in 10 nA.

Definition at line 1292 of file mfxstm32l152.c.

void mfxstm32l152_IDD_Start ( uint16_t  DeviceAddr )

Launch IDD current measurement.

Parameters:
DeviceAddr,:Device address on communication Bus
Return values:
None.

Definition at line 1140 of file mfxstm32l152.c.

void mfxstm32l152_Init ( uint16_t  DeviceAddr )

Initialize the mfxstm32l152 and configure the needed hardware resources.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 150 of file mfxstm32l152.c.

void mfxstm32l152_IO_ClearIT ( uint16_t  DeviceAddr,
uint32_t  IO_Pin 
)

Clear the selected IO interrupt pending bit(s).

It clear automatically also the general MFXSTM32L152_REG_ADR_IRQ_PENDING

Parameters:
DeviceAddr,:Device address on communication Bus.
IO_Pin,:the IO interrupt to be cleared, could be:

  • MFXSTM32L152_GPIO_PIN_x: Where x can be from 0 to 23.
Return values:
None

Definition at line 905 of file mfxstm32l152.c.

uint8_t mfxstm32l152_IO_Config ( uint16_t  DeviceAddr,
uint32_t  IO_Pin,
IO_ModeTypedef  IO_Mode 
)

Configures the IO pin(s) according to IO mode structure value.

Parameters:
DeviceAddr,:Device address on communication Bus.
IO_Pin,:The output pin to be set or reset. This parameter can be one of the following values:

  • MFXSTM32L152_GPIO_PIN_x: where x can be from 0 to 23.
IO_Mode,:The IO pin mode to configure, could be one of the following values:

  • IO_MODE_INPUT
  • IO_MODE_OUTPUT
  • IO_MODE_IT_RISING_EDGE
  • IO_MODE_IT_FALLING_EDGE
  • IO_MODE_IT_LOW_LEVEL
  • IO_MODE_IT_HIGH_LEVEL
  • IO_MODE_INPUT_PU,
  • IO_MODE_INPUT_PD,
  • IO_MODE_OUTPUT_OD_PU,
  • IO_MODE_OUTPUT_OD_PD,
  • IO_MODE_OUTPUT_PP_PU,
  • IO_MODE_OUTPUT_PP_PD,
  • IO_MODE_IT_RISING_EDGE_PU
  • IO_MODE_IT_FALLING_EDGE_PU
  • IO_MODE_IT_LOW_LEVEL_PU
  • IO_MODE_IT_HIGH_LEVEL_PU
  • IO_MODE_IT_RISING_EDGE_PD
  • IO_MODE_IT_FALLING_EDGE_PD
  • IO_MODE_IT_LOW_LEVEL_PD
  • IO_MODE_IT_HIGH_LEVEL_PD
Return values:
None

Definition at line 517 of file mfxstm32l152.c.

void mfxstm32l152_IO_DisableAF ( uint16_t  DeviceAddr )

Disable the AF for aGPIO.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 963 of file mfxstm32l152.c.

void mfxstm32l152_IO_DisableIT ( uint16_t  DeviceAddr )

Disable the global IO interrupt source.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 833 of file mfxstm32l152.c.

void mfxstm32l152_IO_DisablePinIT ( uint16_t  DeviceAddr,
uint32_t  IO_Pin 
)

Disable interrupt mode for the selected IO pin(s).

Parameters:
DeviceAddr,:Device address on communication Bus.
IO_Pin,:The IO interrupt to be disabled. This parameter could be any combination of the following values:

  • MFXSTM32L152_GPIO_PIN_x: where x can be from 0 to 23.
Return values:
None

Definition at line 860 of file mfxstm32l152.c.

void mfxstm32l152_IO_EnableAF ( uint16_t  DeviceAddr )

Enable the AF for aGPIO.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 937 of file mfxstm32l152.c.

void mfxstm32l152_IO_EnableIT ( uint16_t  DeviceAddr )

Enable the global IO interrupt source.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 820 of file mfxstm32l152.c.

void mfxstm32l152_IO_EnablePinIT ( uint16_t  DeviceAddr,
uint32_t  IO_Pin 
)

Enable interrupt mode for the selected IO pin(s).

Parameters:
DeviceAddr,:Device address on communication Bus.
IO_Pin,:The IO interrupt to be enabled. This parameter could be any combination of the following values:

  • MFXSTM32L152_GPIO_PIN_x: where x can be from 0 to 23.
Return values:
None

Definition at line 847 of file mfxstm32l152.c.

void mfxstm32l152_IO_InitPin ( uint16_t  DeviceAddr,
uint32_t  IO_Pin,
uint8_t  Direction 
)

Initialize the selected IO pin direction.

Parameters:
DeviceAddr,:Device address on communication Bus.
IO_Pin,:The IO pin to be configured. This parameter could be any combination of the following values:

  • MFXSTM32L152_GPIO_PIN_x: Where x can be from 0 to 23.
Direction,:could be MFXSTM32L152_GPIO_DIR_IN or MFXSTM32L152_GPIO_DIR_OUT.
Return values:
None

Definition at line 719 of file mfxstm32l152.c.

uint32_t mfxstm32l152_IO_ITStatus ( uint16_t  DeviceAddr,
uint32_t  IO_Pin 
)

Check the status of the selected IO interrupt pending bit.

Parameters:
DeviceAddr,:Device address on communication Bus.
IO_Pin,:The IO interrupt to be checked could be:

  • MFXSTM32L152_GPIO_PIN_x Where x can be from 0 to 23.
Return values:
Statusof the checked IO pin(s).

Definition at line 873 of file mfxstm32l152.c.

uint32_t mfxstm32l152_IO_ReadPin ( uint16_t  DeviceAddr,
uint32_t  IO_Pin 
)

Return the state of the selected IO pin(s).

Parameters:
DeviceAddr,:Device address on communication Bus.
IO_Pin,:The output pin to be set or reset. This parameter can be one of the following values:

  • MFXSTM32L152_GPIO_PIN_x: where x can be from 0 to 23.
Return values:
IOpin(s) state.

Definition at line 791 of file mfxstm32l152.c.

void mfxstm32l152_IO_SetIrqEvtMode ( uint16_t  DeviceAddr,
uint32_t  IO_Pin,
uint8_t  Evt 
)

Set the global interrupt Type.

Parameters:
DeviceAddr,:Device address on communication Bus.
IO_Pin,:The IO pin to be configured. This parameter could be any combination of the following values:

  • MFXSTM32L152_GPIO_PIN_x: Where x can be from 0 to 23.
Evt,:Interrupt line activity type, could be one of the following values:

  • MFXSTM32L152_IRQ_GPI_EVT_LEVEL: Interrupt line is active in level model
  • MFXSTM32L152_IRQ_GPI_EVT_EDGE: Interrupt line is active in edge model
Return values:
None

Definition at line 735 of file mfxstm32l152.c.

void mfxstm32l152_IO_SetIrqTypeMode ( uint16_t  DeviceAddr,
uint32_t  IO_Pin,
uint8_t  Type 
)

Configure the Edge for which a transition is detectable for the selected pin.

Parameters:
DeviceAddr,:Device address on communication Bus.
IO_Pin,:The IO pin to be configured. This parameter could be any combination of the following values:

  • MFXSTM32L152_GPIO_PIN_x: Where x can be from 0 to 23.
Evt,:Interrupt line activity type, could be one of the following values:

  • MFXSTM32L152_IRQ_GPI_TYPE_LLFE: Interrupt line is active in Low Level or Falling Edge
  • MFXSTM32L152_IRQ_GPI_TYPE_HLRE: Interrupt line is active in High Level or Rising Edge
Return values:
None

Definition at line 753 of file mfxstm32l152.c.

void mfxstm32l152_IO_Start ( uint16_t  DeviceAddr,
uint32_t  IO_Pin 
)

Start the IO functionality used and enable the AF for selected IO pin(s).

Parameters:
DeviceAddr,:Device address on communication Bus.
AF_en,:0 to disable, else enabled.
Return values:
None

Definition at line 454 of file mfxstm32l152.c.

void mfxstm32l152_IO_WritePin ( uint16_t  DeviceAddr,
uint32_t  IO_Pin,
uint8_t  PinState 
)

When GPIO is in output mode, puts the corresponding GPO in High (1) or Low (0) level.

Parameters:
DeviceAddr,:Device address on communication Bus.
IO_Pin,:The output pin to be set or reset. This parameter can be one of the following values:

  • MFXSTM32L152_GPIO_PIN_x: where x can be from 0 to 23.
PinState,:The new IO pin state.
Return values:
None

Definition at line 768 of file mfxstm32l152.c.

void mfxstm32l152_LowPower ( uint16_t  DeviceAddr )

Put mfxstm32l152 Device in Low Power standby mode.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 217 of file mfxstm32l152.c.

uint16_t mfxstm32l152_ReadFwVersion ( uint16_t  DeviceAddr )

Read the MFXSTM32L152 device firmware version.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
TheDevice FW version (two bytes).

Definition at line 275 of file mfxstm32l152.c.

uint16_t mfxstm32l152_ReadID ( uint16_t  DeviceAddr )

Read the MFXSTM32L152 IO Expander device ID.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
TheDevice ID (two bytes).

Definition at line 254 of file mfxstm32l152.c.

uint8_t mfxstm32l152_ReadReg ( uint16_t  DeviceAddr,
uint8_t  RegAddr 
)

FOR DEBUG ONLY.

Definition at line 1436 of file mfxstm32l152.c.

void mfxstm32l152_reg24_setPinValue ( uint16_t  DeviceAddr,
uint8_t  RegisterAddr,
uint32_t  PinPosition,
uint8_t  PinValue 
) [static]

Internal routine.

Parameters:
DeviceAddr,:Device address on communication Bus.
RegisterAddr,:Register Address
PinPosition,:Pin [0:23]
PinValue,:0/1
Return values:
None

Definition at line 1502 of file mfxstm32l152.c.

static uint8_t mfxstm32l152_ReleaseInstance ( uint16_t  DeviceAddr ) [static]

Release registered device instance.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
Indexof released device instance, 0xFF if not.

Definition at line 1478 of file mfxstm32l152.c.

void mfxstm32l152_Reset ( uint16_t  DeviceAddr )

Reset the mfxstm32l152 by Software.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 203 of file mfxstm32l152.c.

void mfxstm32l152_SetIrqOutPinPolarity ( uint16_t  DeviceAddr,
uint8_t  Polarity 
)

Set the global interrupt Polarity of IRQ_OUT_PIN.

Parameters:
DeviceAddr,:Device address on communication Bus.
Polarity,:the IT mode polarity, could be one of the following values:

  • MFXSTM32L152_OUT_PIN_POLARITY_LOW: Interrupt output line is active Low edge
  • MFXSTM32L152_OUT_PIN_POLARITY_HIGH: Interrupt line output is active High edge
Return values:
None

Definition at line 392 of file mfxstm32l152.c.

void mfxstm32l152_SetIrqOutPinType ( uint16_t  DeviceAddr,
uint8_t  Type 
)

Set the global interrupt Type of IRQ_OUT_PIN.

Parameters:
DeviceAddr,:Device address on communication Bus.
Type,:Interrupt line activity type, could be one of the following values:

  • MFXSTM32L152_OUT_PIN_TYPE_OPENDRAIN: Open Drain output Interrupt line
  • MFXSTM32L152_OUT_PIN_TYPE_PUSHPULL: Push Pull output Interrupt line
Return values:
None

Definition at line 421 of file mfxstm32l152.c.

void mfxstm32l152_TS_ClearIT ( uint16_t  DeviceAddr )

Configure the selected source to generate a global interrupt or not.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 1125 of file mfxstm32l152.c.

uint8_t mfxstm32l152_TS_DetectTouch ( uint16_t  DeviceAddr )

Return if there is touch detected or not.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
Touchdetected state.

Definition at line 1045 of file mfxstm32l152.c.

void mfxstm32l152_TS_DisableIT ( uint16_t  DeviceAddr )

Configure the selected source to generate a global interrupt or not.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 1103 of file mfxstm32l152.c.

void mfxstm32l152_TS_EnableIT ( uint16_t  DeviceAddr )

Configure the selected source to generate a global interrupt or not.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 1090 of file mfxstm32l152.c.

void mfxstm32l152_TS_GetXY ( uint16_t  DeviceAddr,
uint16_t *  X,
uint16_t *  Y 
)

Get the touch screen X and Y positions values.

Parameters:
DeviceAddr,:Device address on communication Bus.
X,:Pointer to X position value
Y,:Pointer to Y position value
Return values:
None.

Definition at line 1071 of file mfxstm32l152.c.

uint8_t mfxstm32l152_TS_ITStatus ( uint16_t  DeviceAddr )

Configure the selected source to generate a global interrupt or not.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
TSinterrupts status

Definition at line 1114 of file mfxstm32l152.c.

void mfxstm32l152_TS_Start ( uint16_t  DeviceAddr )

Configures the touch Screen Controller (Single point detection)

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None.

Definition at line 995 of file mfxstm32l152.c.

void mfxstm32l152_WakeUp ( uint16_t  DeviceAddr )

WakeUp mfxstm32l152 from standby mode.

Parameters:
DeviceAddr,:Device address on communication Bus.
Return values:
None

Definition at line 231 of file mfxstm32l152.c.

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