int bridge_init(int32_t &BHandle) {
int status, caenst;
CVBoardTypes VMEBoard;
short Link, Device;
BHandle = 0;
unsigned short DataShort=0;
// VMEBoard = cvV1718;
VMEBoard = cvV2718;
Device = 0;
Link = 0;
bool debug = false;
if( CAENVME_Init(VMEBoard, Link, Device, &BHandle) != cvSuccess )
{
printf("\n\n Error opening the device\n");
return 0;
}
else{
printf("VME initialized \n");
}
CAENVME_SystemReset(BHandle);
usleep(10000);
status = 1;
caenst = CAENVME_ReadRegister(BHandle, cvStatusReg, &DataShort);
status *= (1-caenst);
if(debug) {
if(status==1){
printf("V1718 Status reg \n Bridge is Controlled = %i, USB speed = %i, ",
(DataShort & 0x2)>>1,(DataShort & 0x8000)>>16);
// int_to_binary((DataShort&0xff));
}
}
/* offset deve essere allineato a 16 bit (BIT0 non significativo) */
int bpi_flash_read(int32_t dev, uint32_t offset, uint32_t* bpi_data) {
uint32_t app_data;
//Imposto indirizzo
app_data = offset << 1;
CAENVME_WriteRegister(dev, A3818_BPI_FLASH_AD | 0x1000, app_data);
//Abbasso il CE
CAENVME_WriteRegister(dev, A3818_BPI_FLASH_CMD | 0x1000, 0x6);
//Abbasso OE
CAENVME_WriteRegister(dev, A3818_BPI_FLASH_CMD | 0x1000, 0x2);
//Rialzo OE
CAENVME_WriteRegister(dev, A3818_BPI_FLASH_CMD | 0x1000, 0x6);
//Alzo CE
CAENVME_WriteRegister(dev, A3818_BPI_FLASH_CMD | 0x1000, 0x7);
//Sono significativi, per la lettura, solo i 16 bit bassi
CAENVME_ReadRegister(dev, A3818_BPI_FLASH_DT | 0x1000, &app_data);
*bpi_data = app_data & 0x0000FFFF;
return 0;
}
// Disabilita l'accesso alla BPI flash.
// L'a3818 può accedere alla sola flash SPI.
void A3818_EnableSPIAccess(int32_t handle) {
uint32_t data;
CAENVME_ReadRegister(handle, A3818_DMISCCS | 0x1000, &data);
data = data & (~A3818_DMISCCS_SPI_BPI_FLASH_SEL);
CAENVME_WriteRegister(handle, A3818_DMISCCS | 0x1000, data);
}
