sorry for the lack of information. MCU is stm32h743iit6, board designed buy us.
below is qspi linker settings
/* Memories definition */
MEMORY
{
DTCMRAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
ITCMRAM (xrw) : ORIGIN = 0x00000000, LENGTH = 64K
RAM_D1 (xrw) : ORIGIN = 0x24000000, LENGTH = 512K
RAM_D2 (xrw) : ORIGIN = 0x30000000, LENGTH = 288K
RAM_D3 (xrw) : ORIGIN = 0x38000000, LENGTH = 64K
FLASH (rx) : ORIGIN = 0x8000000, LENGTH = 2048K
QSPI (rx) : ORIGIN = 0x90000000, LENGTH = 16384K
}
.
.
.
.
.ARM.attributes 0 : { *(.ARM.attributes) }
ExtFlashSection : { *(ExtFlashSection ) } >QSPI
and in the main.c
/* MPU Configuration--------------------------------------------------------*/
MPU_Config();
/* Enable I-Cache---------------------------------------------------------*/
SCB_EnableICache();
/* Enable D-Cache---------------------------------------------------------*/
SCB_EnableDCache();
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_DMA_Init();
MX_DCMI_Init();
MX_DMA2D_Init();
MX_FMC_Init();
MX_I2C1_Init();
MX_I2C2_Init();
MX_I2C3_Init();
MX_I2C4_Init();
MX_LTDC_Init();
MX_QUADSPI_Init();
MX_SPI4_Init();
MX_SPI5_Init();
MX_TIM16_Init();
MX_USART1_UART_Init();
MX_DAC1_Init();
MX_TIM5_Init();
MX_TIM8_Init();
MX_USART2_UART_Init();
MX_CRC_Init();
/* USER CODE BEGIN 2 */
BSP_QSPI_Init();
BSP_QSPI_EnableMemoryMappedMode();
//TestQspi();
MX_TouchGFX_Init();
MX_TIM13_Init();
HAL_TIM_Base_Start_IT(&htim13);
/* USER CODE END 2 */
.
.
.
.
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
/* USER CODE BEGIN Callback 0 */
/* USER CODE END Callback 0 */
if (htim->Instance == TIM7) {
HAL_IncTick();
}
/* USER CODE BEGIN Callback 1 */
else if (htim->Instance == TIM13)
{
KsmVsync();
}
/* USER CODE END Callback 1 */
}
in TouchgfxHAL.cpp
extern "C" void LCD_SetWindows(uint16_t Xstart, uint16_t Ystart,uint16_t Xend,uint16_t Yend);
.
.
.
.
.
extern "C"
{
void KsmVsync(void)
{
OSWrappers::signalVSync();
}
}
.
.
.
.
void TouchGFXHAL::flushFrameBuffer(const touchgfx::Rect& rect)
{
// Calling parent implementation of flushFrameBuffer(const touchgfx::Rect& rect).
//
// To overwrite the generated implementation, omit call to parent function
// and implemented needed functionality here.
// Please note, HAL::flushFrameBuffer(const touchgfx::Rect& rect) must
// be called to notify the touchgfx framework that flush has been performed.
TouchGFXGeneratedHAL::flushFrameBuffer(rect);
// If the framebuffer is placed in Write Through cached memory (e.g. SRAM) then we need
// to flush the Dcache to make sure framebuffer is correct in RAM. That's done
// using SCB_CleanInvalidateDCache().
// SCB_CleanInvalidateDCache();
/** ksm codes **/
LCD_TransferFrameBuffer(rect);
}
and in freertos.c
/* USER CODE END Header_StartDefaultTask */
void StartDefaultTask(void const * argument)
{
/* init code for USB_DEVICE */
MX_USB_DEVICE_Init();
/* USER CODE BEGIN StartDefaultTask */
/* Infinite loop */
MX_TouchGFX_Process();
for(;;)
{
osDelay(1);
}
/* USER CODE END StartDefaultTask */
}
I also tested qspi, write data and read, also enabled memorymapped mode.
thanks
regards
