/*---------------------------------------------------------------------------------------------------------*/
int main(void)
{
uint32_t u32i;
uint32_t u32NORIDInfo;
uint8_t u8ReadOutData;
/* Unlock protected registers */
SYS_UnlockReg();
/* Init System, peripheral clock and multi-function I/O */
SYS_Init();
/* Lock protected registers */
SYS_LockReg();
/* Init UART0 for printf */
UART0_Init();
printf("\n\nCPU @ %d Hz\n", SystemCoreClock);
printf("+---------------------------------+\n");
printf("| EBI NOR Flash Sample Code |\n");
printf("+---------------------------------+\n\n");
printf("************************************************************************\n");
printf("* Please connect W39L040P to M051 Series EBI bus before EBI testing !! *\n");
printf("************************************************************************\n\n");
/* Enable EBI function and bus width to 8-bit, MCLK is HCLK/2 */
EBI->EBICON = (EBI_MCLKDIV_2 << EBI_EBICON_MCLKDIV_Pos) | EBI_EBICON_ExtEN_Msk |
(0x3 << EBI_EBICON_ExttALE_Pos) ;
EBI->EXTIME = 0x03003318;
/* Initial NOR flash and check ID */
NOR_Init();
u32NORIDInfo = NOR_GetID();
if(u32NORIDInfo == 0xDAB6)
{
printf("NOR W39L040P initial OK ! Manufacture ID:0x%X, Device ID:0x%X.\n", (u32NORIDInfo >> 8), (u32NORIDInfo & 0xFF));
}
/*---------------------------------------------------------------------------------------------------------*/
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;
}