/*---------------------------------------------------------------------------------------------------------*/
uint8_t ProgramContinueDataTest(void)
{
uint8_t u8DataIn, u8DataOut;
uint32_t u32NORAddr;
printf(" >> Start to program flash ... \n");
/* Write */
for(u32NORAddr = 0; u32NORAddr < EBI_MAX_SIZE; u32NORAddr++)
{
u8DataIn = (u32NORAddr % 256) + u32NORAddr;
if(NOR_WriteData(u32NORAddr, u8DataIn) == FALSE)
{
printf("Program [0x%05X]:[0x%02X] FAIL !!! \n\n", u32NORAddr, u8DataIn);
return FALSE;
}
}
/* Read */
for(u32NORAddr = 0; u32NORAddr < EBI_MAX_SIZE; u32NORAddr++)
{
u8DataIn = (u32NORAddr % 256) + u32NORAddr;
u8DataOut = NOR_ReadData(u32NORAddr);
if(u8DataOut != u8DataIn)
{
printf("Read [0x%05X]:[0x%02X] FAIL !!! (Got [0x%02X]) \n\n", u32NORAddr, u8DataIn, u8DataOut);
printf("Program flash FAIL !!! \n\n");
return FALSE;
}
}
printf(" >> Continue Data Program OK !!! \n\n");
return TRUE;
}
/**
* @brief Check Command Complete
*
* @param[in] u32Addr The address to read out data to check if command complete
* @param[in] u8Data The data to be compared with the read out data
*
* @retval FALSE Command fail
* @retval TRUE Command complete
*
* @details Check if the specified command is complete or not.
*/
uint8_t NOR_CheckCMDComplete(uint32_t u32Addr, uint8_t u8Data)
{
/* Using Data Polling Algorithm to check if command is complete or not */
uint8_t u8CurData;
volatile uint32_t u32TimeOutCnts = 0;
/* Command timeout period is 200 ms */
u8Data = u8Data & (1 << 7); // read D7
while(u32TimeOutCnts < 200000)
{
u8CurData = NOR_ReadData(u32Addr);
u8CurData = u8CurData & (1 << 7); // read DQ7
if(u8Data == u8CurData)
{
return TRUE;
}
CLK_SysTickDelay(1);
u32TimeOutCnts++;
}
return FALSE;
}
/*---------------------------------------------------------------------------------------------------------*/
int main (void)
{
uint8_t u8Item = 0x0;
uint32_t u32NORIDInfo;
uint32_t u32i;
uint8_t u8ReadOutData;
/* Init System, IP clock and multi-function I/O */
SYS_Init();
/* Init UART0 for printf */
UART0_Init();
printf("\n\nCPU @ %dHz\n", SystemCoreClock);
printf("+------------------------------------+\n");
printf("| M05xx EBI Driver Sample Code |\n");
printf("+------------------------------------+\n");
printf("\n");
do {
printf("*****************************************************************\n");
printf("* Please connect BS616LV4017 or W39L010 to M051 Series EBI bus *\n");
printf("* before EBI testing!! *\n");
printf("* *\n");
printf("* The testing result will be FAILED, if there is no BS616LV4017 *\n");
printf("* or W39L010 connecting to M051 sereis EBI bus! *\n");
printf("*****************************************************************\n");
printf("\n");
printf("| >>> Selese item to test <<< |\n");
printf("| [0] SRAM --- BS616LV4017, 16bit |\n");
printf("| [1] NOR --- W39L010, 8bit |\n");
printf("| [ESC] Exit |\n");
u8Item = getchar();
printf("\n");
switch (u8Item)
{
case '0':
/* Enable EBI function and data width 16-bit, MCLK is HCLK/4 */
EBI->EBICON = EBI_EBICON_ExtEN_Msk | EBI_EBICON_ExtBW16_Msk | EBI_EBICON_MCLKDIV_4;
/* Start SRAM test */
SRAM_BS616LV4017();
/* Disable EBI function */
EBI->EBICON = 0;
break;
case '1':
/* Enable EBI function and data width 8-bit, MCLK is HCLK/4 */
EBI->EBICON = EBI_EBICON_ExtEN_Msk | EBI_EBICON_MCLKDIV_4;
/* Initial NOR flash and check ID */
NOR_Init();
u32NORIDInfo = NOR_GetID();
if (u32NORIDInfo == 0xDA31)
{
printf("NOR W39L010 initial OK ! ManufactureID:0x%X, DeviceID:0x%X. \n", (u32NORIDInfo>>8), (u32NORIDInfo&0xFF));
}else
{
printf("NOR W39L010 initial fail ! (ID:0x%X) \n\n", u32NORIDInfo);
break;
}
/* Erase flash */
NOR_Erase();
for (u32i=0; u32i<EBI_MAX_SIZE; u32i++)
{
u8ReadOutData = NOR_ReadData(u32i);
if (u8ReadOutData != 0xFF)
{
printf(" >> Chip Erase Fail !! Addr:0x%X, Data:0x%X. \n\n", u32i, u8ReadOutData);
break;
}
}
printf(" >> Chip Erase OK !!! \n");
/* Start to program NOR flash test */
ProgramContinueDataTest();
/* Disable EBI function */
EBI->EBICON = 0;
break;
}
