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[/] [spacewiresystemc/] [trunk/] [rtl/] [RTL_VB/] [tx_spw.v] - Diff between revs 15 and 17

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Rev 15	Rev 17
Line 103...	Line 103...
`reg [5:0] fct_counter_receive;`	`reg [5:0] fct_counter_receive;`

`reg last_tx_dout;`	`reg last_tx_dout;`
`reg last_tx_sout;`	`reg last_tx_sout;`

	`reg block_sum;`

`reg [3:0] global_counter_transfer;`	`reg [3:0] global_counter_transfer;`



`always@(*)`	`always@(*)`
Line 437...	Line 439...
`tx_sout = last_tx_sout;`	`tx_sout = last_tx_sout;`
`end`	`end`

`end`	`end`

`//slots open in another side`	`always@(*)`
`always@(posedge gotfct_tx , negedge enable_tx)`
`begin`
`if(!enable_tx)`
`begin`
`fct_counter <= 6'd0;`
`end`
`else`
`begin`	`begin`
`if(fct_counter < 6'd55)`	`fct_counter = 6'd0;`

	`if(gotfct_tx)`
`begin`	`begin`
`if(enable_n_char && global_counter_transfer == 4'd9 && !data_tx_i[8])`	`if(block_sum)`
`begin`	`begin`
`if(fct_counter < 6'd55)`
`fct_counter <= fct_counter_receive + 6'd8 - 6'd1;`
`else`
`fct_counter <= 6'd0;`
`end`	`end`
`else if(enable_n_char && global_counter_transfer == 4'd3 && data_tx_i[8])`
`begin`
`if(fct_counter < 6'd55)`
`fct_counter <= fct_counter_receive + 6'd8 - 6'd1;`
`else`	`else`
`fct_counter <= 6'd0;`
`end`
`else if(fct_counter == 6'd48)`
`begin`	`begin`
`if(fct_counter < 6'd55)`	`if(fct_counter_receive < 6'd48)`
`fct_counter <= fct_counter_receive + 6'd7;`	`begin`
`else`	`fct_counter = fct_counter_receive + 6'd8;`
`fct_counter <= 6'd0;`
`end`	`end`
`else`	`else`
`begin`	`begin`
`if(fct_counter < 6'd55)`	`fct_counter = fct_counter_receive + 6'd7;`
`fct_counter <= fct_counter_receive + 6'd8;`
`else`
`fct_counter <= 6'd0;`
`end`

`end`	`end`
`else`
`fct_counter <= 6'd0;`
`end`	`end`
`end`	`end`
	`end`

`//slots open in our side`	`//slots open in our side`
`always@(posedge send_fct_now or negedge enable_tx)`	`always@(posedge send_fct_now or negedge enable_tx)`
`begin`	`begin`

Line 511...	Line 491...


`always@(*)`	`always@(*)`
`begin`	`begin`

`next_state_tx = state_tx;`

`enable_null = 1'b0;`	`enable_null = 1'b0;`
`enable_fct = 1'b0;`	`enable_fct = 1'b0;`
`enable_n_char = 1'b0;`	`enable_n_char = 1'b0;`
`enable_time_code = 1'b0;`	`enable_time_code = 1'b0;`

	`next_state_tx = state_tx;`

`case(state_tx)`	`case(state_tx)`
`tx_spw_start:`	`tx_spw_start:`
`begin`	`begin`
`if(send_null_tx && enable_tx)`	`if(send_null_tx && enable_tx)`
`begin`	`begin`
Line 560...	Line 541...
`enable_fct = 1'b1;`	`enable_fct = 1'b1;`
`end`	`end`
`else`	`else`
`begin`	`begin`
`enable_fct = 1'b0;`	`enable_fct = 1'b0;`
`if(send_fct_tx && fct_counter > 6'd0)`	`if(send_fct_tx && fct_counter_receive > 6'd0)`
`begin`	`begin`
`//if(global_counter_transfer == 4'd7)`	`//if(global_counter_transfer == 4'd7)`
`next_state_tx = tx_spw_full;`	`next_state_tx = tx_spw_full;`
`end`	`end`

`end`	`end`
`end`	`end`
`tx_spw_full:`	`tx_spw_full:`
`begin`	`begin`

`enable_null = 1'b0;`
`enable_fct = 1'b0;`
`enable_n_char = 1'b0;`
`enable_time_code = 1'b0;`

`/*`
`hold_null <= 1'b0;`
`hold_fct <= 1'b0;`
`hold_data <= 1'b0;`
`hold_time_code <= 1'b0;`
`*/`

`if(tickin_tx && !hold_null && !hold_fct && !hold_data)`	`if(tickin_tx && !hold_null && !hold_fct && !hold_data)`
`begin`	`begin`
`enable_time_code = 1'b1;`	`enable_time_code = 1'b1;`
`end`	`end`
`else if(fct_flag > 3'd0 && !hold_null && !hold_time_code && !hold_data)`	`else if(fct_flag > 3'd0 && !hold_null && !hold_time_code && !hold_data)`
`begin`	`begin`
`enable_fct = 1'b1;`	`enable_fct = 1'b1;`
`end`	`end`
`else if(txwrite_tx && fct_counter_receive > 6'd0 && !hold_null && !hold_time_code && !hold_fct )`	`else if((txwrite_tx && fct_counter_receive > 6'd0 && !hold_null && !hold_time_code && !hold_fct) == 1'b1 )`
`begin`	`begin`
`enable_n_char = 1'b1;`	`enable_n_char = 1'b1;`
`end`	`end`
`else if(!hold_time_code && !hold_fct && !hold_data)`	`else`
`begin`	`begin`
`enable_null = 1'b1;`	`enable_null = 1'b1;`
`end`	`end`

`end`	`end`
`endcase`	`endcase`

`end`	`end`

Line 634...	Line 601...
`global_counter_transfer <= 4'd0;`	`global_counter_transfer <= 4'd0;`
`txdata_flagctrl_tx_last <= 9'd0;`	`txdata_flagctrl_tx_last <= 9'd0;`
`last_timein_control_flag_tx <= 8'd0;`	`last_timein_control_flag_tx <= 8'd0;`

`fct_counter_receive <= 6'd0;`	`fct_counter_receive <= 6'd0;`
`//fct_counter_update <= 6'd0;`
`//fct_counter_last <= 6'd0;`	`block_sum <= 1'b0;`

`last_tx_dout <= 1'b0;`	`last_tx_dout <= 1'b0;`
`last_tx_sout <= 1'b0;`	`last_tx_sout <= 1'b0;`
`state_tx <= tx_spw_start;`	`state_tx <= tx_spw_start;`

`end`	`end`
`else`	`else`
`begin`	`begin`

`state_tx <= next_state_tx;`	`state_tx <= next_state_tx;`
Line 654...	Line 622...
`begin`	`begin`

`ready_tx_data <= 1'b0;`	`ready_tx_data <= 1'b0;`
`ready_tx_timecode <= 1'b0;`	`ready_tx_timecode <= 1'b0;`

`if(fct_counter > 6'd0)`	`if(gotfct_tx && !block_sum)`
	`begin`
`fct_counter_receive <= fct_counter;`	`fct_counter_receive <= fct_counter;`
	`block_sum<= 1'b1;`
	`end`
	`else if(!gotfct_tx)`
	`begin`
	`block_sum<= 1'b0;`
	`end`
	`else`
	`block_sum <= block_sum;`

`//`	`//`
`if(fct_send_last != fct_send)`	`if(fct_send_last != fct_send)`
`begin`	`begin`
`if(fct_send == 3'd1 && fct_send_last == 3'd7)`	`if(fct_send == 3'd1 && fct_send_last == 3'd7)`
`begin`	`begin`
Line 694...	Line 672...
`begin`	`begin`

`ready_tx_data <= 1'b0;`	`ready_tx_data <= 1'b0;`
`ready_tx_timecode <= 1'b0;`	`ready_tx_timecode <= 1'b0;`

`if(fct_counter > 6'd0)`	`if(gotfct_tx && !block_sum)`
	`begin`
`fct_counter_receive <= fct_counter;`	`fct_counter_receive <= fct_counter;`
	`block_sum<= 1'b1;`
	`end`
	`else if(!gotfct_tx)`
	`begin`
	`block_sum<= 1'b0;`
	`end`
	`else`
	`block_sum <= block_sum;`


`if(global_counter_transfer != 4'd3)`	`if(global_counter_transfer != 4'd3)`
`begin`	`begin`
`hold_fct <= 1'b1;`	`hold_fct <= 1'b1;`
Line 715...	Line 702...
`else if(enable_time_code)`	`else if(enable_time_code)`
`begin`	`begin`

`ready_tx_data <= 1'b0;`	`ready_tx_data <= 1'b0;`

`if(fct_counter > 6'd0)`	`if(gotfct_tx && !block_sum)`
	`begin`
`fct_counter_receive <= fct_counter;`	`fct_counter_receive <= fct_counter;`
	`block_sum<= 1'b1;`
	`end`
	`else if(!gotfct_tx)`
	`begin`
	`block_sum<= 1'b0;`
	`end`
	`else`
	`block_sum <= block_sum;`


`if(global_counter_transfer == 4'd13)`	`if(global_counter_transfer == 4'd13)`
`begin`	`begin`
`ready_tx_timecode <= 1'b1;`	`ready_tx_timecode <= 1'b1;`
Line 778...	Line 774...

`if(global_counter_transfer == 4'd9)`	`if(global_counter_transfer == 4'd9)`
`begin`	`begin`
`ready_tx_data <= 1'b1;`	`ready_tx_data <= 1'b1;`
`end`	`end`
	`else`
	`begin`
	`ready_tx_data <= 1'b0;`
	`end`

`if(global_counter_transfer != 4'd9)`	`if(global_counter_transfer != 4'd9)`
`begin`	`begin`
`hold_data <= 1'b1;`	`hold_data <= 1'b1;`
`global_counter_transfer <= global_counter_transfer + 4'd1;`	`global_counter_transfer <= global_counter_transfer + 4'd1;`
`txdata_flagctrl_tx_last <= data_tx_i;`	`txdata_flagctrl_tx_last <= data_tx_i;`

	`if(gotfct_tx && !block_sum)`
	`begin`
	`fct_counter_receive <= fct_counter;`
	`block_sum<= 1'b1;`
	`end`
	`else if(!gotfct_tx)`
	`begin`
	`block_sum<= 1'b0;`
	`end`
	`else`
	`block_sum <= block_sum;`
`end`	`end`
`else`	`else`
`begin`	`begin`
`hold_data <= 1'b0;`	`hold_data <= 1'b0;`
`global_counter_transfer <= 4'd0;`	`global_counter_transfer <= 4'd0;`
`//`
`fct_counter_receive <= fct_counter_receive - 6'd1;`	`fct_counter_receive <= fct_counter_receive - 6'd1;`

`end`	`end`

`end`	`end`
`else if(data_tx_i[8])`	`else if(data_tx_i[8])`
`begin`	`begin`

`if(global_counter_transfer == 4'd3)`	`if(global_counter_transfer == 4'd3)`
`begin`	`begin`
`ready_tx_data <= 1'b1;`	`ready_tx_data <= 1'b1;`
`end`	`end`
	`else`
	`begin`
	`ready_tx_data <= 1'b0;`
	`end`

`if(global_counter_transfer != 4'd3)`	`if(global_counter_transfer != 4'd3)`
`begin`	`begin`
`hold_data <= 1'b1;`	`hold_data <= 1'b1;`
`global_counter_transfer <= global_counter_transfer + 4'd1;`	`global_counter_transfer <= global_counter_transfer + 4'd1;`
`txdata_flagctrl_tx_last <= data_tx_i;`	`txdata_flagctrl_tx_last <= data_tx_i;`

	`if(gotfct_tx && !block_sum)`
	`begin`
	`fct_counter_receive <= fct_counter;`
	`block_sum<= 1'b1;`
	`end`
	`else if(!gotfct_tx)`
	`begin`
	`block_sum<= 1'b0;`
	`end`
	`else`
	`block_sum <= block_sum;`
`end`	`end`
`else`	`else`
`begin`	`begin`

`hold_data <= 1'b0;`	`hold_data <= 1'b0;`
`global_counter_transfer <= 4'd0;`	`global_counter_transfer <= 4'd0;`


`fct_counter_receive <= fct_counter_receive - 6'd1;`	`fct_counter_receive <= fct_counter_receive - 6'd1;`

`end`	`end`
`end`	`end`

`end`	`end`

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[/] [spacewiresystemc/] [trunk/] [rtl/] [RTL_VB/] [tx_spw.v] - Diff between revs 15 and 17