diff options
Diffstat (limited to 'rtl')
| -rw-r--r-- | rtl/alpha_fmc_top.v | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/rtl/alpha_fmc_top.v b/rtl/alpha_fmc_top.v index a86a2c6..4d7fcac 100644 --- a/rtl/alpha_fmc_top.v +++ b/rtl/alpha_fmc_top.v @@ -210,6 +210,7 @@ module alpha_fmc_top reg [15 : 0] toggle_ctr_new; reg toggle_reg; + reg toggle_new; reg toggle_we; assign gpio_a = {7'b0101010, toggle_reg}; @@ -217,9 +218,9 @@ module alpha_fmc_top always @(posedge sys_clk) begin: sys_clk_toggle_reg_update - if (!reset_n) + if (!sys_rst_n) begin - toggle_ctr_reg <= 16'h0; + toggle_ctr_reg <= 32'h0; toggle_reg <= 1'b0; end else @@ -227,22 +228,22 @@ module alpha_fmc_top toggle_ctr_reg <= toggle_ctr_new; if (toggle_we) - toggle_reg <= ~toggle_reg; + toggle_reg <= toggle_new; end end always @* begin : sys_clk_toggle + toggle_new = ~toggle_reg; + toggle_we = 1'b0; + if (toggle_ctr_reg == TOGGLE_DELAY_CYCLES) begin - toggle_ctr_new = 16'h0; + toggle_ctr_new = 32'h0; toggle_we = 1'b1; end else - begin - toggle_ctr_new = toggle_ctr_reg + 1'b1; - toggle_we = 1'b0; - end + toggle_ctr_new = toggle_ctr_reg + 1'b1; end endmodule // alpha_fmc_top |