| Line 16... |
Line 16... |
TIME_BASE,
|
TIME_BASE,
|
RAM_ADDR, RAM_DATA, RAM_CLK,
|
RAM_ADDR, RAM_DATA, RAM_CLK,
|
ADC_DATA, ADC_CLK,
|
ADC_DATA, ADC_CLK,
|
TRIG_ADDR,
|
TRIG_ADDR,
|
VGA_WRITE_DONE,
|
VGA_WRITE_DONE,
|
TRIGGER_LEVEL
|
TRIGGER_LEVEL,
|
|
sm_trig
|
);
|
);
|
|
|
//==================================================================//
|
//==================================================================//
|
// PARAMETER DEFINITIONS //
|
// PARAMETER DEFINITIONS //
|
//==================================================================//
|
//==================================================================//
|
| Line 51... |
Line 52... |
output ADC_CLK;
|
output ADC_CLK;
|
output[10:0] TRIG_ADDR;
|
output[10:0] TRIG_ADDR;
|
input VGA_WRITE_DONE;
|
input VGA_WRITE_DONE;
|
input[8:0] TRIGGER_LEVEL;
|
input[8:0] TRIGGER_LEVEL;
|
|
|
|
output[1:0] sm_trig;
|
|
|
|
|
//----------------------//
|
//----------------------//
|
// WIRES / NODES //
|
// WIRES / NODES //
|
//----------------------//
|
//----------------------//
|
wire CLK_64MHZ, MASTER_RST, CLK180_64MHZ;
|
wire CLK_64MHZ, MASTER_RST, CLK180_64MHZ;
|
wire[5:0] TIME_BASE;
|
wire[5:0] TIME_BASE;
|
| Line 74... |
Line 78... |
|
|
|
|
//==================================================================//
|
//==================================================================//
|
// 'SUB-ROUTINES' //
|
// 'SUB-ROUTINES' //
|
//==================================================================//
|
//==================================================================//
|
|
|
//------------------------------------------------------------------//
|
//------------------------------------------------------------------//
|
// Instanstiate the ADC //
|
// Instanstiate the ADC //
|
//------------------------------------------------------------------//
|
//------------------------------------------------------------------//
|
wire[7:0] DATA_FROM_ADC;
|
wire[7:0] DATA_FROM_ADC;
|
Driver_ADC ADC(
|
Driver_ADC ADC(
|
| Line 130... |
Line 133... |
sm_trig <= ss_wait_for_trig;
|
sm_trig <= ss_wait_for_trig;
|
else if(sm_trig == ss_wait_for_trig && trigger_detected == 1'b1)
|
else if(sm_trig == ss_wait_for_trig && trigger_detected == 1'b1)
|
sm_trig <= ss_fill_mem_half;
|
sm_trig <= ss_fill_mem_half;
|
else if(sm_trig == ss_fill_mem_half && mem_half_full == 1'b1)
|
else if(sm_trig == ss_fill_mem_half && mem_half_full == 1'b1)
|
sm_trig <= ss_write_buffer;
|
sm_trig <= ss_write_buffer;
|
else if(sm_trig == ss_write_buffer && trigger_detected == 1'b0 && VGA_WRITE_DONE == 1'b1)
|
else if(sm_trig == ss_write_buffer && /*trigger_detected == 1'b0 &&*/ VGA_WRITE_DONE == 1'b1)
|
sm_trig <= ss_wait_for_trig;
|
sm_trig <= ss_wait_for_trig;
|
else if(sm_trig == ss_invalid)
|
else if(sm_trig == ss_invalid)
|
sm_trig <= ss_wait_for_trig;
|
sm_trig <= ss_wait_for_trig;
|
else
|
else
|
sm_trig <= sm_trig;
|
sm_trig <= sm_trig;
|
| Line 148... |
Line 151... |
ADDRA <= 11'b0;
|
ADDRA <= 11'b0;
|
end else if(sm_trig == ss_wait_for_trig || sm_trig == ss_fill_mem_half)
|
end else if(sm_trig == ss_wait_for_trig || sm_trig == ss_fill_mem_half)
|
ADDRA <= ADDRA + 1;
|
ADDRA <= ADDRA + 1;
|
else
|
else
|
ADDRA <= ADDRA;
|
ADDRA <= ADDRA;
|
|
// ADDRA <= ADDRA + 1;
|
end
|
end
|
|
|
/* LATCHING THE TRIGGER */
|
/* LATCHING THE TRIGGER */
|
always @ (ADC_DATA) begin
|
always @ (ADC_DATA) begin
|
// if(ADC_DATA >= P_trigger_level)
|
|
if(ADC_DATA >= TRIGGER_LEVEL)
|
if(ADC_DATA >= TRIGGER_LEVEL)
|
trigger_detected = 1'b1;
|
trigger_detected = 1'b1;
|
else
|
else
|
trigger_detected = 1'b0;
|
trigger_detected = 1'b0;
|
end
|
end
|
| Line 166... |
Line 169... |
if(MASTER_RST == 1'b1)
|
if(MASTER_RST == 1'b1)
|
cnt_1024bytes <= 10'b0;
|
cnt_1024bytes <= 10'b0;
|
else if(sm_trig == ss_fill_mem_half)
|
else if(sm_trig == ss_fill_mem_half)
|
cnt_1024bytes <= cnt_1024bytes + 1;
|
cnt_1024bytes <= cnt_1024bytes + 1;
|
else
|
else
|
cnt_1024bytes <= cnt_1024bytes;
|
cnt_1024bytes <= 10'b0;
|
|
// cnt_1024bytes <= cnt_1024bytes;
|
end
|
end
|
|
|
always @ (cnt_1024bytes) begin
|
always @ (cnt_1024bytes) begin
|
if(cnt_1024bytes == 10'h3FF)
|
if(cnt_1024bytes == 10'h3FF)
|
mem_half_full = 1'b1;
|
mem_half_full = 1'b1;
|
