//set operation mode of adc
void Vflyspi_adc::configure( std::bitset<3> test_pattern ) {
// Testpatterns are:
// 000 Normal operation - <D13:D0> = ADC output
// 001 All zeros - <D13:D0> = 0x0000
// 010 All ones - <D13:D0> = 0x3FFF
// 011 Toggle pattern - <D13:D0> toggles between 0x2AAA and 0x1555
// 100 Digital ramp - <D13:D0> increments from 0x0000 to 0x3FFF by one code every cycle
// 101 Custom pattern - <D13:D0> = contents of CUSTOM PATTERN registers
// 110 Unused
// 111 Unused
Logger& log = Logger::instance();
log(Logger::DEBUG0) << "Setting ADC input to: " << test_pattern.to_string();
sp6data* buf = writeBlock(0,18);//just a large one
*(buf++) = ocpwrite | 0x3008; *(buf++) = 0x08; //start clock
*(buf++) = ocpwrite | 0x3008; *(buf++) = 0xe8; //release pdn and reset for adc, no start signal yet
*(buf++) = ocpwrite | 0x1c00; *(buf++) = 0x10; //software reset
*(buf++) = ocpwrite | 0x1c01; *(buf++) = 0x4; //enable lvds interface, disable clock
// ocp.write(0x1c00|(0xe<<3)|2,0x81); //7mA, 100Ohm
*(buf++) = ocpwrite | 0x1c00|(0xe<<3); *(buf++) = 0xc; //lowest power lvds is 0xc
*(buf++) = ocpwrite | 0x1c00|(0x4<<3)|0; *(buf++) = 0x0; //clock edge
*(buf++) = ocpwrite | 0x1c00|(0xb<<3)|1; *(buf++) = 0x54; //custom pattern 0x555 ->datablatt wrong!!!
*(buf++) = ocpwrite | 0x1c00|(0xc<<3)|0; *(buf++) = 0x05; //custom pattern 0x555 ->datablatt wrong!!!
*(buf++) = ocpwrite | 0x1c00|(0xa<<3)|4; *buf =test_pattern.to_ulong()<<5; //enable ramp test pattern with 0x80, custom with 0xa0
doWB();
}
void Vocpfifo::write(uint adr, uint data)
{
adr |= 0x80000000; //since adr goes directly into buffer, have to do all processing here
sp6data *b=writeBlock(0,2); //adr field has no meaning, 2 entries
*b++=(adr);
*b=(data);
doWB();
}
//trigger recording manually
void Vflyspi_adc::manual_trigger() {
sp6data *buf=writeBlock(0,4);
//tell to start recording
writeBuf(buf, startstop,start_val);
//tell to end recording
writeBuf(buf, startstop,0);
//tell ocp
doWB();
}
void Vflyspi_adc::setup_controller(uint32_t startaddr, uint32_t endaddr, bool single_mode, bool trigger_enabled, bool trigger_channel) {
//write configuration
sp6data *buf=writeBlock(0,18);
set_addr(buf, startaddr, endaddr);
// set enable and single shot bit, set start and stop bit to zero
writeBuf(buf, startstop,static_cast<sp6data>((trigger_channel<<4) | (trigger_enabled<<3) | (single_mode<<2) | 0x00 ));
doWB();
}
//switch off triggered recording
void Vflyspi_adc::set_off_trigger(){
//check the state
sp6data state = read(startstop);
bool trigger_channel = (state >> 4) & 0x1;
//reset
sp6data *buf=writeBlock(0,2);
bool trigger_enabled = 0;
bool single_mode = 0;
writeBuf(buf, startstop,static_cast<sp6data>((trigger_channel<<4) | (trigger_enabled<<3) | (single_mode<<2) | 0x00 ));
//tell ocp
doWB();
}
