* @brief Reads an amount of data from the SDRAM memory in DMA mode. * @param uwStartAddress: Read start address * @param pData: Pointer to da

* @brief Sends command to the SDRAM bank. * @param SdramCmd: Pointer to SDRAM command structure * @retval SDRAM status */

* @brief Writes an amount of data to the SDRAM memory in polling mode. * @param uwStartAddress: Write start address * @param pData: Pointer t

* @brief Writes an amount of data to the SDRAM memory in DMA mode. * @param uwStartAddress: Write start address * @param pData: Pointer to da

* @brief DeInitializes the TouchScreen. * @retval TS state */

* @brief Returns status and positions of the touch screen. * @param TS_State: Pointer to touch screen current state structure * @retval TS_OK

* @brief Clears all touch screen interrupts. */

* @brief Configures and enables the touch screen interrupts. * @retval TS_OK if all initializations are OK. Other value if error. */

* @brief Gets the touch screen interrupt status. * @retval TS_OK if all initializations are OK. Other value if error. */

* @brief Initializes and configures the touch screen functionalities and * configures all necessary hardware resources (GPIOs, I2C, clock

* @brief Function used to reset all touch data before a new acquisition * of touch information. * @param TS_State: Pointer to touch sc

* @brief Camera delay * @param Delay: Delay in ms * @retval None */

* @brief Initializes Camera low level. * @retval None */

* @brief Camera reads single data. * @param Addr: I2C address * @param Reg: Register address * @retval Read data */

* @brief Camera writes single data. * @param Addr: I2C address * @param Reg: Register address * @param Value: Data to be written * @r

* @brief Initializes peripherals used by the I2C EEPROM driver. * @retval None */

* @brief Checks if target device is ready for communication. * @note This function is used with Memory devices * @param DevAddress: Target

* @brief Read data from I2C EEPROM driver in using DMA channel. * @param DevAddress: Target device address * @param MemAddress: Internal memo

* @brief Write data to I2C EEPROM driver in using DMA channel. * @param DevAddress: Target device address * @param MemAddress: Internal memor

* @brief Initializes the FMC_NAND Attribute space Timing according to the specified * parameters in the FMC_NAND_PCC_TimingTypeDef * @p

* @brief Initializes the FMC_NAND Common space Timing according to the specified * parameters in the FMC_NAND_PCC_TimingTypeDef * @para

* @brief DeInitializes the FMC_NAND device * @param Device Pointer to NAND device instance * @param Bank NAND bank number * @retval HAL s

* @brief Disables dynamically FMC_NAND ECC feature. * @param Device Pointer to NAND device instance * @param Bank NAND bank number * @retv

* @brief Enables dynamically FMC_NAND ECC feature. * @param Device Pointer to NAND device instance * @param Bank NAND bank number * @retva

* @brief Disables dynamically FMC_NAND ECC feature. * @param Device Pointer to NAND device instance * @param ECCval Pointer to ECC value *

* @brief Initializes the FMC_NAND device according to the specified * control parameters in the FMC_NAND_HandleTypeDef * @param Device

* @brief DeInitialize the FMC_NORSRAM peripheral * @param Device Pointer to NORSRAM device instance * @param ExDevice Pointer to NORSRAM ext

* @brief Initialize the FMC_NORSRAM Extended mode Timing according to the specified * parameters in the FMC_NORSRAM_TimingTypeDef * @pa

* @brief Initialize the FMC_NORSRAM device according to the specified * control parameters in the FMC_NORSRAM_InitTypeDef * @param Dev

* @brief Initialize the FMC_NORSRAM Timing according to the specified * parameters in the FMC_NORSRAM_TimingTypeDef * @param Device Po

* @brief Disables dynamically FMC_NORSRAM write operation. * @param Device Pointer to NORSRAM device instance * @param Bank NORSRAM bank numb

* @brief Enables dynamically FMC_NORSRAM write operation. * @param Device Pointer to NORSRAM device instance * @param Bank NORSRAM bank numbe

USER CODE BEGIN 4 */

USER CODE BEGIN 4 */

* @brief Enables the UART receiver and disables the UART transmitter. * @param huart UART handle * @retval HAL status */

* @brief Enables the UART transmitter and disables the UART receiver. * @param huart UART handle * @retval HAL status * @retval None */

* @brief Initializes the half-duplex mode according to the specified * parameters in the UART_InitTypeDef and creates the associated handle

* @brief Initialize the LIN mode according to the specified * parameters in the UART_InitTypeDef and creates the associated handle . * @p

* @brief Transmits break characters. * @param huart UART handle * @retval HAL status */

* @brief Load the color lookup table. * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains * the config

* @brief Configure the LTDC Layer according to the specified without reloading * parameters in the LTDC_InitTypeDef and create the associa

* @brief Disable the color lookup table. * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains * the con

* @brief Disable the color lookup table without reloading. * Variant of the function HAL_LTDC_DisableCLUT without immediate reload * @p

* @brief Enable the color lookup table. * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains * the conf

* @brief Enable the color lookup table without reloading. * Variant of the function HAL_LTDC_EnableCLUT without immediate reload * @par

* @brief Return the LTDC error code * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains * the configuration in

@defgroup LTDC_Exported_Functions_Group2 IO operation functions * @brief IO operation functions * @verbatim =============================

* @brief Define the position of the line interrupt. * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains *

* @brief Function used to reconfigure the pitch for specific cases where the attached LayerIdx buffer have a width that is * larger than t

* @brief Function used to reconfigure the pitch for specific cases where the attached LayerIdx buffer have a width that is * larger than t

* @brief Reconfigure the pixel format. * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains * the

* @brief Reconfigure the pixel format without reloading. * Variant of the function HAL_LTDC_SetPixelFormat without immediate reload * @

* @brief Retrieve common parameters from DSI Adapted command mode configuration structure * @param hltdc pointer to a LTDC_HandleTypeDef structur

* @brief Retrieve common parameters from DSI Video mode configuration structure * @param hltdc pointer to a LTDC_HandleTypeDef structure that con

* @brief By default in multiprocessor mode, when the wake up method is set * to address mark, the UART handles only 4-bit long addresses det

* @brief Disable UART mute mode (doesn't mean it actually wakes up the software, * as it may not have been in mute mode at this very moment). *

* @brief Enable UART in mute mode (doesn't mean UART enters mute mode; * to enter mute mode, HAL_MultiProcessor_EnterMuteMode() API must be called)

* @brief Enter UART mute mode (means UART actually enters mute mode). * To exit from mute mode, HAL_MultiProcessor_DisableMuteMode() API must be ca

* @brief Initialize the multiprocessor mode according to the specified * parameters in the UART_InitTypeDef and initialize the associated ha

* @brief Initialize the RS485 Driver enable feature according to the specified * parameters in the UART_InitTypeDef and creates the associa

* @brief DMA transfer complete callback. * @param hdma pointer to a DMA_HandleTypeDef structure that contains * the configurati

* @brief DMA transfer complete error callback. * @param hdma DMA handle * @retval None */

* @brief Returns the SDRAM memory current mode. * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains * the

* @brief Returns the SDRAM state. * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains * the configuration

* @brief This function handles SDRAM refresh error interrupt request. * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains

* @brief Reads 16-bit data buffer from the SDRAM memory. * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains *

* @brief Reads 8-bit data buffer from the SDRAM memory. * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains *

* @brief Sets the Number of consecutive SDRAM Memory auto Refresh commands. * @param hsdram pointer to a SDRAM_HandleTypeDef structure that conta

* @brief Disables dynamically SDRAM write protection. * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains *

* @brief Enables dynamically SDRAM write protection. * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains *

* @brief Writes 16-bit data buffer to SDRAM memory. * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains *

* @brief Writes 8-bit data buffer to SDRAM memory. * @param hsdram pointer to a SDRAM_HandleTypeDef structure that contains * t

* @brief Period elapsed callback in non blocking mode * @note This function is called when TIM6 interrupt took place, inside * HAL_TIM_IRQHa

* @brief Pause the DMA Transfer. * @param huart UART handle. * @retval HAL status */

* @brief Resume the DMA Transfer. * @param huart UART handle. * @retval HAL status */

* @brief Stop the DMA Transfer. * @param huart UART handle. * @retval HAL status */

* @brief Return the UART error code * @param huart pointer to a UART_HandleTypeDef structure that contains * the configuration inf

* @brief return the UART state * @param huart uart handle * @retval HAL state */

* @brief This function handles UART interrupt request. * @param huart uart handle * @retval None */

* @brief Receive an amount of data in blocking mode. * @param huart UART handle. * @param pData pointer to data buffer. * @param Size amount

* @brief Receive an amount of data in interrupt mode. * @param huart UART handle. * @param pData pointer to data buffer. * @param Size amount

* @brief Send an amount of data in DMA mode. * @param huart UART handle. * @param pData pointer to data buffer. * @param Size amount of data

* @brief Send an amount of data in interrupt mode. * @param huart UART handle. * @param pData pointer to data buffer. * @param Size amount of

2.2 Write multiple/DMA

8. Circle drawing functions

10. Triangle drawing

12. Image print (RGB 565, 2 bytes per pixel)

Function(5): Get character

Functions definition *****// Function(1): Set Keypad pins and ports

Function(4): Read active keypad button

4. Poll for Data Ready