//----- functions -----
void sampleMemory_init()
{
FLASH_If_Init();
//disable write protection if enabled
if(FLASH_If_GetWriteProtectionStatus())
{
FLASH_If_DisableWriteProtection();
}
#if USE_SD_CARD
sdManager_init();
#endif
}
/**
* @brief Display the Main Menu on HyperTerminal
* @param None
* @retval None
*/
void Main_Menu(void)
{
uint8_t key = 0;
SerialPutString("\r\n======================================================================");
SerialPutString("\r\n= (C) COPYRIGHT 2011 STMicroelectronics =");
SerialPutString("\r\n= =");
SerialPutString("\r\n= STM32F4xx In-Application Programming Application (Version 1.0.0) =");
SerialPutString("\r\n= =");
SerialPutString("\r\n= By MCD Application Team =");
SerialPutString("\r\n======================================================================");
SerialPutString("\r\n\r\n");
/* Test if any sector of Flash memory where user application will be loaded is write protected */
if (FLASH_If_GetWriteProtectionStatus() == 0)
{
FlashProtection = 1;
}
else
{
FlashProtection = 0;
}
while (1)
{
SerialPutString("\r\n================== Main Menu ============================\r\n\n");
SerialPutString(" Download Image To the STM32F4xx Internal Flash ------- 1\r\n\n");
SerialPutString(" Upload Image From the STM32F4xx Internal Flash ------- 2\r\n\n");
SerialPutString(" Execute The New Program ------------------------------ 3\r\n\n");
if(FlashProtection != 0)
{
SerialPutString(" Disable the write protection ------------------------- 4\r\n\n");
}
SerialPutString("==========================================================\r\n\n");
/* Receive key */
key = GetKey();
if (key == 0x31)
{
/* Download user application in the Flash */
SerialDownload();
}
else if (key == 0x32)
{
/* Upload user application from the Flash */
SerialUpload();
}
else if (key == 0x33) /* execute the new program */
{
JumpAddress = *(__IO uint32_t*) (APPLICATION_ADDRESS + 4);
/* Jump to user application */
Jump_To_Application = (pFunction) JumpAddress;
/* Initialize user application's Stack Pointer */
__set_MSP(*(__IO uint32_t*) APPLICATION_ADDRESS);
Jump_To_Application();
}
else if ((key == 0x34) && (FlashProtection == 1))
{
/* Disable the write protection */
switch (FLASH_If_DisableWriteProtection())
{
case 1:
{
SerialPutString("Write Protection disabled...\r\n");
FlashProtection = 0;
break;
}
case 2:
{
SerialPutString("Error: Flash write unprotection failed...\r\n");
break;
}
default:
{
}
}
}
else
{
if (FlashProtection == 0)
{
SerialPutString("Invalid Number ! ==> The number should be either 1, 2 or 3\r");
}
else
{
SerialPutString("Invalid Number ! ==> The number should be either 1, 2, 3 or 4\r");
}
}
}
}
