Difference between revisions of "MRI lab: FPGA controller documentation"
From Course Wiki
| Line 7: | Line 7: | ||
!device | !device | ||
|- | |- | ||
| − | + | !PhaseIncrement | |
|31:0 | |31:0 | ||
|Frequency of generated sinewave | |Frequency of generated sinewave | ||
|/dev/pio_phaseIncrement | |/dev/pio_phaseIncrement | ||
|- | |- | ||
| − | + | !Pulse1On | |
|31:0 | |31:0 | ||
|Length of first pulse | |Length of first pulse | ||
|/dev/pio_pulse1On | |/dev/pio_pulse1On | ||
|- | |- | ||
| − | + | !Pulse1Off | |
|31:0 | |31:0 | ||
|Interval between first and second pulse | |Interval between first and second pulse | ||
|- | |- | ||
| − | + | !Pulse2On | |
|31:0 | |31:0 | ||
|Length of second pulse | |Length of second pulse | ||
|/dev/pio_pulse1Off | |/dev/pio_pulse1Off | ||
|- | |- | ||
| − | + | !Pulse2On | |
|31:0 | |31:0 | ||
|Interval between second pulse and end of cycle | |Interval between second pulse and end of cycle | ||
Revision as of 20:36, 15 June 2010
Control registers
| Register | Bits | Function | device |
|---|---|---|---|
| PhaseIncrement | 31:0 | Frequency of generated sinewave | /dev/pio_phaseIncrement |
| Pulse1On | 31:0 | Length of first pulse | /dev/pio_pulse1On |
| Pulse1Off | 31:0 | Interval between first and second pulse | |
| Pulse2On | 31:0 | Length of second pulse | /dev/pio_pulse1Off |
| Pulse2On | 31:0 | Interval between second pulse and end of cycle | /dev/pio_pulse2Off |
| PulseControl | /dev/pio_pulse2On | ||
| ADC DMA source | 4 | 0=normal operation (ADC data); 1=A/D test (count) |
