static int set_data_flash_base(uint32_t u32DFBA)
{
uint32_t au32Config[2];
if (FMC_ReadConfig(au32Config, 2) < 0)
{
printf("\nRead User Config failed!\n");
return -1;
}
if ((!(au32Config[0] & 0x1)) && (au32Config[1] == u32DFBA))
return 0;
FMC_ENABLE_CFG_UPDATE();
au32Config[0] &= ~0x1;
au32Config[1] = u32DFBA;
if (FMC_WriteConfig(au32Config, 2) < 0)
return -1;
printf("\nSet Data Flash base as 0x%x.\n", DATA_FLASH_TEST_BASE);
// Perform chip reset to make new User Config take effect
SYS->IPRST_CTL1 = SYS_IPRST_CTL1_CHIP_RST_Msk;
return 0;
}
/**
* @brief Execute ISP command to write User Configuration.
* @param[in] u32Config A two-word array.
* u32Config[0] holds CONFIG0, while u32Config[1] holds CONFIG1.
* @param[in] u32Count Avaliable word count in u32Config.
* @return Success or not.
* @retval 0 Success.
* @retval -1 Invalid parameter.
*/
int32_t FMC_WriteConfig(uint32_t *u32Config, uint32_t u32Count)
{
FMC_ENABLE_CFG_UPDATE();
FMC_Erase(FMC_CONFIG_BASE);
FMC_Write(FMC_CONFIG_BASE, u32Config[0]);
FMC_Write(FMC_CONFIG_BASE+4, u32Config[1]);
FMC_DISABLE_CFG_UPDATE();
return 0;
}
/*---------------------------------------------------------------------------------------------------------*/
int32_t main (void)
{
uint32_t au32Config[2];
SYS_Init();
UART0_Init();
printf("NuMicro USB composite device Sample.(HID Transfer and Mass storage)\n");
SYS_UnlockReg();
/* Enable FMC ISP function */
FMC_Open();
/* Check if Data Flash Size is 64K. If not, to re-define Data Flash size and to enable Data Flash function */
if (FMC_ReadConfig(au32Config, 2) < 0)
return -1;
if (((au32Config[0] & 0x01) == 1) || (au32Config[1] != DATA_FLASH_BASE) )
{
FMC_ENABLE_CFG_UPDATE();
au32Config[0] &= ~0x1;
au32Config[1] = DATA_FLASH_BASE;
if (FMC_WriteConfig(au32Config, 2) < 0)
return -1;
FMC_ReadConfig(au32Config, 2);
if (((au32Config[0] & 0x01) == 1) || (au32Config[1] != DATA_FLASH_BASE))
{
printf("Error: Program Config Failed!\n");
/* Disable FMC ISP function */
FMC_Close();
SYS_LockReg();
return -1;
}
/* Reset Chip to reload new CONFIG value */
SYS->IPRST_CTL1 = SYS_IPRST_CTL1_CHIP_RST_Msk;
}
SYS_LockReg();
USBD_Open(&gsInfo, HID_ClassRequest, NULL);
/* Endpoint configuration */
HID_Init();
NVIC_EnableIRQ(USBD_IRQn);
USBD_Start();
while(1)
{
if (g_usbd_UsbConfig)
MSC_ProcessCmd();
}
}
/**
* @brief Program config1
*
* @param ulDATA: Data to be written to CONFIG1
*
* @return None
*
* @details Program config1
*/
void CONFIG1_Program(uint32_t ulDATA)
{
int32_t ret;
FMC_ENABLE_CFG_UPDATE();
ret = DrvFMC_Write(CONFIG_START_ADDRESS + 0x04, ulDATA);
if(ret < 0)
{
printf("Config1 Program Error\n");
while(1);
}
}
/**
* @brief Config Erase
*
* @param None
*
* @return None
*
* @details Erase Config0 and Config1
*/
void CONFIG_Erase(void)
{
int32_t ret;
FMC_ENABLE_CFG_UPDATE();
ret = DrvFMC_Erase(CONFIG_START_ADDRESS);
if(ret < 0)
{
printf("Config Erase Error\n");
while(1);
}
}
