mycells.v « PRESENTATION_Intro « manual - iCE40/yosys - clone of https://github.com/YosysHQ/yosys

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module NOT(A, Y);
input A;
output Y = ~A;
endmodule

module NAND(A, B, Y);
input A, B;
output Y = ~(A & B);
endmodule

module NOR(A, B, Y);
input A, B;
output Y = ~(A | B);
endmodule

module DFF(C, D, Q);
input C, D;
output reg Q;
always @(posedge C)
	Q <= D;
endmodule

define BREATHING_PERIOD 6 #endif typedef union { uint8_t raw; struct { bool enable : 1; bool breathing : 1; uint8_t reserved : 1; // Reserved for possible future backlight modes uint8_t level : 5; }; } backlight_config_t; void backlight_init(void); void backlight_increase(void); void backlight_decrease(void); void backlight_toggle(void); void backlight_enable(void); void backlight_disable(void); bool is_backlight_enabled(void); void backlight_step(void); void backlight_set(uint8_t level); void backlight_level(uint8_t level); uint8_t get_backlight_level(void); #ifdef BACKLIGHT_BREATHING void backlight_toggle_breathing(void); void backlight_enable_breathing(void); void backlight_disable_breathing(void); bool is_backlight_breathing(void); void breathing_enable(void); void breathing_disable(void); #endif