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use LEDs for debug in latency tester mode

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This commit is contained in:
marqs 2020-02-09 21:29:05 +02:00
parent a076c6d2db
commit 0c55cc03bb
3 changed files with 12 additions and 5 deletions
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2
ossc.qsf
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@ -218,7 +218,7 @@ set_global_assignment -name ENABLE_SIGNALTAP OFF
set_global_assignment -name USE_SIGNALTAP_FILE output_files/ossc_la.stp
set_global_assignment -name FITTER_EFFORT "AUTO FIT"
set_global_assignment -name SEED 8
set_global_assignment -name SEED 1

3
rtl/lat_tester.v
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@ -34,6 +34,7 @@ module lat_tester (
output reg [2:0] mode_synced,
output reg [15:0] lat_result,
output reg [11:0] stb_result,
output trig_waiting,
output reg finished
);
@ -41,6 +42,8 @@ reg VSYNC_in_L, VSYNC_in_LL, trigger_L, trigger_LL;
reg [8:0] clk27_ctr;
reg [1:0] state;
assign trig_waiting = (state == `LT_STATE_LAT_MEAS);
always @(posedge pclk) begin
VSYNC_in_L <= VSYNC_in;
VSYNC_in_LL <= VSYNC_in_L;

12
rtl/ossc.v
View File

@ -88,12 +88,15 @@ reg HSYNC_in_L, VSYNC_in_L, FID_in_L;
reg [1:0] btn_L, btn_LL;
reg ir_rx_L, ir_rx_LL, HDMI_TX_INT_N_L, HDMI_TX_INT_N_LL, HDMI_TX_MODE_L, HDMI_TX_MODE_LL;
wire lt_sensor = btn_LL[1];
wire lt_active = sys_ctrl[15];
wire lt_armed = sys_ctrl[14];
wire lt_trigger = HDMI_TX_DE & HDMI_TX_GD[0];
wire [1:0] lt_mode = sys_ctrl[13:12];
wire [1:0] lt_mode_synced;
wire [15:0] lt_lat_result;
wire [11:0] lt_stb_result;
wire lt_trig_waiting;
wire lt_finished;
wire remote_event = sys_ctrl[8];
@ -169,8 +172,8 @@ assign hw_reset_n = sys_ctrl[0]; //HDMI_TX_RST_N in v1.2 PCB
assign LED_R = HSYNC_in_L;
assign LED_G = VSYNC_in_L;
`else
assign LED_R = (pll_lock_lost|h_unstable);
assign LED_G = (ir_code == 0);
assign LED_R = lt_active ? lt_trig_waiting : (pll_lock_lost|h_unstable);
assign LED_G = lt_active ? ~lt_sensor : (ir_code == 0);
`endif
assign SD_DAT[3] = sys_ctrl[7]; //SD_SPI_SS_N
@ -318,13 +321,14 @@ lat_tester lt0 (
.pclk (PCLK_out),
.active (lt_active),
.armed (lt_armed),
.sensor (btn_LL[1]),
.trigger (HDMI_TX_DE & HDMI_TX_GD[0]),
.sensor (lt_sensor),
.trigger (lt_trigger),
.VSYNC_in (HDMI_TX_VS),
.mode_in (lt_mode),
.mode_synced (lt_mode_synced),
.lat_result (lt_lat_result),
.stb_result (lt_stb_result),
.trig_waiting (lt_trig_waiting),
.finished (lt_finished)
);