STM32769I_EVAL BSP User Manual: STM32F769I_EVAL LOW LEVEL Private Functions

Deinitializes Audio low level.

Return values:

None

Definition at line 1053 of file stm32f769i_eval.c.

AUDIO Codec delay.

Parameters:

Delay,:

Delay in ms

Return values:

None

Definition at line 1101 of file stm32f769i_eval.c.

Initializes Audio low level.

Return values:

None

Definition at line 1044 of file stm32f769i_eval.c.

References I2Cx_Init().

Reads a single data.

Parameters:

Addr,:	I2C address
Reg,:	Reg address

Return values:

Data	to be read

Definition at line 1081 of file stm32f769i_eval.c.

References I2Cx_ReadMultiple().

Writes a single data.

Parameters:

Addr,:	I2C address
Reg,:	Reg address
Value,:	Data to be written

Return values:

None

Definition at line 1064 of file stm32f769i_eval.c.

References I2Cx_WriteMultiple().

DeInit COM port.

Parameters:

COM,:	COM port to be configured. This parameter can be one of the following values: COM1 COM2
huart,:	Pointer to a UART_HandleTypeDef structure that contains the configuration information for the specified USART peripheral.

Return values:

None

Definition at line 480 of file stm32f769i_eval.c.

References COM_USART, and EVAL_COMx_CLK_DISABLE.

Configures COM port.

Parameters:

COM,:	COM port to be configured. This parameter can be one of the following values: COM1 COM2
huart,:	Pointer to a UART_HandleTypeDef structure that contains the configuration information for the specified USART peripheral.

Return values:

None

Definition at line 440 of file stm32f769i_eval.c.

References COM_RX_AF, COM_RX_PIN, COM_RX_PORT, COM_TX_AF, COM_TX_PIN, COM_TX_PORT, COM_USART, EVAL_COMx_CLK_ENABLE, EVAL_COMx_RX_GPIO_CLK_ENABLE, and EVAL_COMx_TX_GPIO_CLK_ENABLE.

This method returns the STM32F769I EVAL BSP Driver revision.

Return values:

version,:

0xXYZR (8bits for each decimal, R for RC)

Definition at line 233 of file stm32f769i_eval.c.

References __STM32F769I_EVAL_BSP_VERSION.

DeInit LEDs.

Parameters:

Led,:

LED to be configured. This parameter can be one of the following values: LED1 LED2 LED3 LED4

Note:

Led DeInit does not disable the GPIO clock nor disable the Mfx

Return values:

None

Definition at line 279 of file stm32f769i_eval.c.

References GPIO_PIN, and GPIO_PORT.

Configures LED on GPIO and/or on MFX.

Parameters:

Led,:

LED to be configured. This parameter can be one of the following values: LED1 LED2 LED3 LED4

Return values:

None

Definition at line 248 of file stm32f769i_eval.c.

References GPIO_PIN, GPIO_PORT, and LEDx_GPIO_CLK_ENABLE.

Turns selected LED Off.

Parameters:

Led,:

LED to be set off This parameter can be one of the following values: LED1 LED2 LED3 LED4

Return values:

None

Definition at line 312 of file stm32f769i_eval.c.

References GPIO_PIN, and GPIO_PORT.

Turns selected LED On.

Parameters:

Led,:

LED to be set on This parameter can be one of the following values: LED1 LED2 LED3 LED4

Return values:

None

Definition at line 297 of file stm32f769i_eval.c.

References GPIO_PIN, and GPIO_PORT.

Toggles the selected LED.

Parameters:

Led,:

LED to be toggled This parameter can be one of the following values: LED1 LED2 LED3 LED4

Return values:

None

Definition at line 327 of file stm32f769i_eval.c.

References GPIO_PIN, and GPIO_PORT.

Push Button DeInit.

Parameters:

Button,:

Button to be configured This parameter can be one of the following values: BUTTON_WAKEUP: Wakeup Push Button BUTTON_TAMPER: Tamper Push Button BUTTON_KEY: Key Push Button

Note:

On STM32F769I-EVAL evaluation board, the three buttons (Wakeup, Tamper and key buttons) are mapped on the same push button named "Wakeup/Tamper" on the board serigraphy.

PB DeInit does not disable the GPIO clock

Return values:

None

Definition at line 403 of file stm32f769i_eval.c.

References BUTTON_IRQn, BUTTON_PIN, and BUTTON_PORT.

Returns the selected button state.

Parameters:

Button,:

Button to be checked This parameter can be one of the following values: BUTTON_WAKEUP: Wakeup Push Button BUTTON_TAMPER: Tamper Push Button BUTTON_KEY: Key Push Button

Note:

On STM32F769I-EVAL evaluation board, the three buttons (Wakeup, Tamper and key buttons) are mapped on the same push button named "Wakeup/Tamper" on the board serigraphy.

Return values:

The	Button GPIO pin value

Definition at line 425 of file stm32f769i_eval.c.

References BUTTON_PIN, and BUTTON_PORT.

Configures button GPIO and EXTI Line.

Parameters:

Button,:	Button to be configured This parameter can be one of the following values: BUTTON_WAKEUP: Wakeup Push Button BUTTON_TAMPER: Tamper Push Button BUTTON_KEY: Key Push Button
ButtonMode,:	Button mode This parameter can be one of the following values: BUTTON_MODE_GPIO: Button will be used as simple IO BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt generation capability

Note:

On STM32F769I-EVAL evaluation board, the three buttons (Wakeup, Tamper and key buttons) are mapped on the same push button named "Wakeup/Tamper" on the board serigraphy.

Return values:

None

Definition at line 349 of file stm32f769i_eval.c.

References BUTTON_IRQn, BUTTON_MODE_EXTI, BUTTON_MODE_GPIO, BUTTON_PIN, BUTTON_PORT, BUTTON_WAKEUP, and BUTTONx_GPIO_CLK_ENABLE.

Get Potentiometer level in 12 bits.

Return values:

Potentiometer

level(0..0xFFF) / 0xFFFFFFFF : Error

Definition at line 549 of file stm32f769i_eval.c.

References ADCx_POLL_TIMEOUT, and hEvalADC.

Init Potentiometer.

Return values:

None

Definition at line 500 of file stm32f769i_eval.c.

References ADCx, ADCx_CHANNEL, ADCx_CHANNEL_GPIO_CLK_ENABLE, ADCx_CHANNEL_GPIO_PORT, ADCx_CHANNEL_PIN, ADCx_CLK_ENABLE, and hEvalADC.

Camera delay.

Parameters:

Delay,:

Delay in ms

Return values:

None

Definition at line 1155 of file stm32f769i_eval.c.

Initializes Camera low level.

Return values:

None

Definition at line 1112 of file stm32f769i_eval.c.

References I2Cx_Init().

Camera reads single data.

Parameters:

Addr,:	I2C address
Reg,:	Register address

Return values:

Read

data

Definition at line 1139 of file stm32f769i_eval.c.

References I2Cx_ReadMultiple().

Camera writes single data.

Parameters:

Addr,:	I2C address
Reg,:	Register address
Value,:	Data to be written

Return values:

None

Definition at line 1124 of file stm32f769i_eval.c.

References I2Cx_WriteMultiple().

Initializes peripherals used by the I2C EEPROM driver.

Return values:

None

Definition at line 1166 of file stm32f769i_eval.c.

References I2Cx_Init().

Referenced by BSP_EEPROM_Init().

Checks if target device is ready for communication.

Note:

This function is used with Memory devices

Parameters:

DevAddress,:	Target device address
Trials,:	Number of trials

Return values:

HAL

status

Definition at line 1204 of file stm32f769i_eval.c.

References I2Cx_IsDeviceReady().

Referenced by BSP_EEPROM_Init(), and BSP_EEPROM_WaitEepromStandbyState().

Read data from I2C EEPROM driver in using DMA channel.

Parameters:

DevAddress,:	Target device address
MemAddress,:	Internal memory address
pBuffer,:	Pointer to data buffer
BufferSize,:	Amount of data to be read

Return values:

HAL

status

Definition at line 1192 of file stm32f769i_eval.c.

References I2Cx_ReadMultiple().

Referenced by BSP_EEPROM_ReadBuffer().

Write data to I2C EEPROM driver in using DMA channel.

Parameters:

DevAddress,:	Target device address
MemAddress,:	Internal memory address
pBuffer,:	Pointer to data buffer
BufferSize,:	Amount of data to be sent

Return values:

HAL

status

Definition at line 1179 of file stm32f769i_eval.c.

References I2Cx_WriteMultiple().

Referenced by BSP_EEPROM_WritePage().

Manages error callback by re-initializing I2C.

Parameters:

Addr,:

I2C Address

Return values:

None

Definition at line 833 of file stm32f769i_eval.c.

References hEvalI2c, and I2Cx_Init().

Referenced by I2Cx_Read(), I2Cx_ReadMultiple(), I2Cx_Write(), and I2Cx_WriteMultiple().

Initializes I2C HAL.

Return values:

None

Definition at line 706 of file stm32f769i_eval.c.

References EVAL_I2Cx, hEvalI2c, and I2Cx_MspInit().

Referenced by AUDIO_IO_Init(), CAMERA_IO_Init(), EEPROM_IO_Init(), I2Cx_Error(), and TS_IO_Init().

Checks if target device is ready for communication.

Note:

This function is used with Memory devices

Parameters:

DevAddress,:	Target device address
Trials,:	Number of trials

Return values:

HAL

status

Definition at line 823 of file stm32f769i_eval.c.

References hEvalI2c.

Referenced by EEPROM_IO_IsDeviceReady().

Initializes I2C MSP.

Return values:

None

Definition at line 663 of file stm32f769i_eval.c.

References EVAL_I2Cx_CLK_ENABLE, EVAL_I2Cx_ER_IRQn, EVAL_I2Cx_EV_IRQn, EVAL_I2Cx_FORCE_RESET, EVAL_I2Cx_RELEASE_RESET, EVAL_I2Cx_SCL_PIN, EVAL_I2Cx_SCL_SDA_AF, EVAL_I2Cx_SCL_SDA_GPIO_CLK_ENABLE, EVAL_I2Cx_SCL_SDA_GPIO_PORT, and EVAL_I2Cx_SDA_PIN.

Referenced by I2Cx_Init().

Reads a single data.

Parameters:

Addr,:	I2C address
Reg,:	Register address

Return values:

Read

data

Definition at line 752 of file stm32f769i_eval.c.

References hEvalI2c, and I2Cx_Error().

Referenced by TS_IO_Read().

Reads multiple data.

Parameters:

Addr,:	I2C address
Reg,:	Reg address
MemAddress,:	internal memory address
Buffer,:	Pointer to data buffer
Length,:	Length of the data

Return values:

Number

of read data

Definition at line 777 of file stm32f769i_eval.c.

References hEvalI2c, and I2Cx_Error().

Referenced by AUDIO_IO_Read(), CAMERA_IO_Read(), EEPROM_IO_ReadData(), and TS_IO_ReadMultiple().

Writes a single data.

Parameters:

Addr,:	I2C address
Reg,:	Register address
Value,:	Data to be written

Return values:

None

Definition at line 732 of file stm32f769i_eval.c.

References hEvalI2c, and I2Cx_Error().

Referenced by TS_IO_Write().

Writes a value in a register of the device through BUS in using DMA mode.

Parameters:

Addr,:	Device address on BUS Bus.
Reg,:	The target register address to write
MemAddress,:	internal memory address
Buffer,:	The target register value to be written
Length,:	buffer size to be written

Return values:

HAL

status

Definition at line 801 of file stm32f769i_eval.c.

References hEvalI2c, and I2Cx_Error().

Referenced by AUDIO_IO_Write(), CAMERA_IO_Write(), EEPROM_IO_WriteData(), and TS_IO_WriteMultiple().

OTM8009A delay.

Parameters:

Delay,:

Delay in ms

Definition at line 1287 of file stm32f769i_eval.c.

Delay function used in TouchScreen low level driver.

Parameters:

Delay,:

Delay in ms

Return values:

None

Definition at line 1277 of file stm32f769i_eval.c.

Reads single data with I2C communication channel from TouchScreen.

Parameters:

Addr,:	I2C address
Reg,:	Register address

Return values:

Read

data

Definition at line 1239 of file stm32f769i_eval.c.

References I2Cx_Read().

Reads multiple data with I2C communication channel from TouchScreen.

Parameters:

Addr,:	I2C address
Reg,:	Register address
Buffer,:	Pointer to data buffer
Length,:	Length of the data

Return values:

Number

of read data

Definition at line 1253 of file stm32f769i_eval.c.

References I2Cx_ReadMultiple().

Writes single data with I2C communication channel from MCU to TouchScreen.

Parameters:

Addr,:	I2C address
Reg,:	Register address
Value,:	Data to be written

Definition at line 1227 of file stm32f769i_eval.c.

References I2Cx_Write().

Writes multiple data with I2C communication channel from MCU to TouchScreen.

Parameters:

Addr,:	I2C address
Reg,:	Register address
Buffer,:	Pointer to data buffer
Length,:	Length of the data

Return values:

None

Definition at line 1267 of file stm32f769i_eval.c.

References I2Cx_WriteMultiple().