Diff: main.cpp

Revision:

0:e86d70f1f2ce

Child:

1:61482ef96890

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue May 23 10:50:50 2017 +0200
@@ -0,0 +1,315 @@
+#include "mbed.h"
+#include "stm32f413h_discovery.h"
+#include "stm32f413h_discovery_lcd.h"
+#include "stm32f413h_discovery_psram.h"
+
+/** @addtogroup STM32F7xx_HAL_Examples
+  * @{
+  */
+
+/** @addtogroup BSP
+  * @{
+  */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define BUFFER_SIZE         ((uint32_t)0x1000)
+#define PSRAM_WRITE_READ_ADDR     ((uint32_t)0x0800)
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+uint16_t sram_aTxBuffer[BUFFER_SIZE];
+uint16_t sram_aRxBuffer[BUFFER_SIZE];
+uint8_t ubSramWrite = 0, ubSramRead = 0, ubSramInit = 0, ubCompare = 0;
+__IO uint8_t  write_complete = 0;
+/* Private function prototypes -----------------------------------------------*/
+static void PSRAM_SetHint(void);
+static void Fill_Buffer(uint16_t *pBuffer, uint32_t uwBufferLength, uint32_t uwOffset);
+static uint8_t Buffercmp(uint16_t* pBuffer1, uint16_t* pBuffer2, uint16_t BufferLength);
+static uint8_t CheckForUserInput(void);
+/* Private functions ---------------------------------------------------------*/
+
+/**
+  * @brief  PSRAM Demo
+  * @param  None
+  * @retval None
+  */
+int main()
+{
+  BSP_LCD_Init();
+
+  PSRAM_SetHint();
+
+  /* Disable the LCD to avoid the refrech from the SDRAM */
+  BSP_LCD_DisplayOff();
+
+  /*##-1- Configure the PSRAM device ##########################################*/
+  /* PSRAM device configuration */
+  if(BSP_PSRAM_Init() != PSRAM_OK)
+  {
+    ubSramInit++;
+  }
+
+  /*##-2- PSRAM memory read/write access ######################################*/
+  /* Fill the buffer to write */
+  Fill_Buffer(sram_aTxBuffer, BUFFER_SIZE, 0xC20F);
+
+  /* Write data to the PSRAM memory */
+  if(BSP_PSRAM_WriteData(PSRAM_DEVICE_ADDR + PSRAM_WRITE_READ_ADDR, sram_aTxBuffer, BUFFER_SIZE) != PSRAM_OK)
+  {
+    ubSramWrite++;
+  }
+
+  /* Read back data from the PSRAM memory */
+  if(BSP_PSRAM_ReadData(PSRAM_DEVICE_ADDR + PSRAM_WRITE_READ_ADDR, sram_aRxBuffer, BUFFER_SIZE) != PSRAM_OK)
+  {
+    ubSramRead++;
+  }
+
+  /*##-3- Checking data integrity ############################################*/
+  /* Enable the LCD */
+  BSP_LCD_DisplayOn();
+
+  if(ubSramInit != 0)
+  {
+    BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"PSRAM Initialization : FAILED.", LEFT_MODE);
+    BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
+    ubSramInit = 0xFF;
+  }
+  else
+  {
+    BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"PSRAM Initialization : OK.", LEFT_MODE);
+    ubSramInit = 0;
+  }
+  if(ubSramWrite != 0)
+  {
+    BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"PSRAM WRITE : FAILED.", LEFT_MODE);
+    BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
+    ubSramWrite = 0xFF;
+  }
+  else
+  {
+    BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"PSRAM WRITE : OK.", LEFT_MODE);
+    ubSramWrite = 0;
+  }
+  if(ubSramRead != 0)
+  {
+    BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"PSRAM READ : FAILED.", LEFT_MODE);
+    BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
+    ubSramRead = 0xFF;
+  }
+  else
+  {
+    BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"PSRAM READ : OK.", LEFT_MODE);
+    ubSramRead = 0;
+  }
+
+  if(Buffercmp(sram_aRxBuffer, sram_aTxBuffer, BUFFER_SIZE) > 0)
+  {
+    BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"PSRAM COMPARE : FAILED.", LEFT_MODE);
+    BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
+    ubCompare ++;
+  }
+  else
+  {
+    BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"PSRAM Test : OK.", LEFT_MODE);
+    ubCompare =0;
+  }
+
+  while (1)
+  {
+    if(CheckForUserInput() > 0)
+    {
+      return 0;
+    }
+  }
+}
+
+/**
+  * @brief  PSRAM Demo
+  * @param  None
+  * @retval None
+  */
+void PSRAM_DMA_demo (void)
+{
+  PSRAM_SetHint();
+
+  /* Disable the LCD to avoid the refrech from the PSRAM */
+  BSP_LCD_DisplayOff();
+
+  /*##-1- Configure the PSRAM device ##########################################*/
+  /* PSRAM device configuration */
+  if(BSP_PSRAM_Init() != PSRAM_OK)
+  {
+    ubSramInit++;
+  }
+
+  /*##-2- PSRAM memory read/write access ######################################*/
+  /* Fill the buffer to write */
+  Fill_Buffer(sram_aTxBuffer, BUFFER_SIZE, 0xC20F);
+
+  /* Write data to the PSRAM memory */
+  if(BSP_PSRAM_WriteData_DMA(PSRAM_DEVICE_ADDR + PSRAM_WRITE_READ_ADDR, sram_aTxBuffer, BUFFER_SIZE) != PSRAM_OK)
+  {
+    ubSramWrite++;
+  }
+
+
+  /* Wait for Transfer complete */
+  while(write_complete == 0);
+
+  /* Read back data from the PSRAM memory */
+  if(BSP_PSRAM_ReadData_DMA(PSRAM_DEVICE_ADDR + PSRAM_WRITE_READ_ADDR, sram_aRxBuffer, BUFFER_SIZE) != PSRAM_OK)
+  {
+    ubSramRead++;
+  }
+
+  /*##-3- Checking data integrity ############################################*/
+  /* Enable the LCD */
+  BSP_LCD_DisplayOn();
+
+  if(ubSramInit != 0)
+  {
+    BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"PSRAM Initialization : FAILED.", LEFT_MODE);
+    BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
+  }
+  else
+  {
+    BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"PSRAM Initialization : OK.", LEFT_MODE);
+  }
+  if(ubSramWrite != 0)
+  {
+    BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"PSRAM WRITE : FAILED.", LEFT_MODE);
+    BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
+  }
+  else
+  {
+    BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"PSRAM WRITE : OK.", LEFT_MODE);
+  }
+  if(ubSramRead != 0)
+  {
+    BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"PSRAM READ : FAILED.", LEFT_MODE);
+    BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
+  }
+  else
+  {
+    BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"PSRAM READ : OK.", LEFT_MODE);
+  }
+
+  if(Buffercmp(sram_aRxBuffer, sram_aTxBuffer, BUFFER_SIZE) > 0)
+  {
+    BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"PSRAM COMPARE : FAILED.", LEFT_MODE);
+    BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"PSRAM Test Aborted.", LEFT_MODE);
+  }
+  else
+  {
+    BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"PSRAM Test : OK.", LEFT_MODE);
+  }
+
+  while (1)
+  {
+    if(CheckForUserInput() > 0)
+    {
+      return;
+    }
+  }
+}
+
+/**
+  * @brief  Display PSRAM Demo Hint
+  * @param  None
+  * @retval None
+  */
+static void PSRAM_SetHint(void)
+{
+  /* Clear the LCD */
+  BSP_LCD_Clear(LCD_COLOR_WHITE);
+
+  /* Set LCD Demo description */
+  BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
+  BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 80);
+  BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
+  BSP_LCD_SetBackColor(LCD_COLOR_GREEN);
+  BSP_LCD_SetFont(&Font24);
+  BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"PSRAM", CENTER_MODE);
+  BSP_LCD_SetFont(&Font12);
+  BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"This example shows how to write", CENTER_MODE);
+  BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"and read data on the PSRAM", CENTER_MODE);
+
+   /* Set the LCD Text Color */
+  BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
+  BSP_LCD_DrawRect(10, 90, BSP_LCD_GetXSize() - 20, BSP_LCD_GetYSize()- 100);
+  BSP_LCD_DrawRect(11, 91, BSP_LCD_GetXSize() - 22, BSP_LCD_GetYSize()- 102);
+
+  BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
+  BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
+}
+
+/**
+  * @brief  Fills buffer with user predefined data.
+  * @param  pBuffer: pointer on the buffer to fill
+  * @param  uwBufferLength: size of the buffer to fill
+  * @param  uwOffset: first value to fill on the buffer
+  * @retval None
+  */
+static void Fill_Buffer(uint16_t *pBuffer, uint32_t uwBufferLength, uint32_t uwOffset)
+{
+  uint32_t tmpindex = 0;
+
+  /* Put in global buffer different values */
+  for (tmpindex = 0; tmpindex < uwBufferLength; tmpindex++ )
+  {
+    pBuffer[tmpindex] = tmpindex + uwOffset;
+  }
+}
+
+/**
+  * @brief  Compares two buffers.
+  * @param  pBuffer1, pBuffer2: buffers to be compared.
+  * @param  BufferLength: buffer's length
+  * @retval 1: pBuffer identical to pBuffer1
+  *         0: pBuffer differs from pBuffer1
+  */
+static uint8_t Buffercmp(uint16_t* pBuffer1, uint16_t* pBuffer2, uint16_t BufferLength)
+{
+  while (BufferLength--)
+  {
+    if (*pBuffer1 != *pBuffer2)
+    {
+      return 1;
+    }
+
+    pBuffer1++;
+    pBuffer2++;
+  }
+
+  return 0;
+}
+
+/**
+  * @brief  DMA transfer complete callback.
+  * @param  hdma: pointer to a SRAM_HandleTypeDef structure that contains
+  *                the configuration information for SRAM module.
+  * @retval None
+  */
+void HAL_SRAM_DMA_XferCpltCallback(DMA_HandleTypeDef *hdma)
+{
+  write_complete = 1;
+}
+
+uint8_t CheckForUserInput(void)
+{
+  if(BSP_PB_GetState(BUTTON_WAKEUP) != GPIO_PIN_RESET)
+  {
+    while (BSP_PB_GetState(BUTTON_WAKEUP) != GPIO_PIN_RESET);
+    return 1 ;
+  }
+  return 0;
+}
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/