keyboardtest.hier_info

键盘去抖动CPLD设计经过验证,可以直接用数码管显示,同时也希望大家给于新想法

|keyboardtest
CLK => CLK~0.IN2
RESET => comb~0.IN0
ROW_in[0] => ROW_in[0]~3.IN1
ROW_in[1] => ROW_in[1]~2.IN1
ROW_in[2] => ROW_in[2]~1.IN1
ROW_in[3] => ROW_in[3]~0.IN1
COLUMN[0] <= keypress_det:key_select.COLUMN
COLUMN[1] <= keypress_det:key_select.COLUMN
COLUMN[2] <= keypress_det:key_select.COLUMN
COLUMN[3] <= keypress_det:key_select.COLUMN
seven[0] <= sevenseg:SEVEN_DSP.seg
seven[1] <= sevenseg:SEVEN_DSP.seg
seven[2] <= sevenseg:SEVEN_DSP.seg
seven[3] <= sevenseg:SEVEN_DSP.seg
seven[4] <= sevenseg:SEVEN_DSP.seg
seven[5] <= sevenseg:SEVEN_DSP.seg
seven[6] <= sevenseg:SEVEN_DSP.seg
seven[7] <= sevenseg:SEVEN_DSP.seg


|keyboardtest|cnt5:clkdiv
in => out1[3].CLK
in => out1[2].CLK
in => out1[1].CLK
in => out1[0].CLK
in => out1[4].CLK
out <= out1[4].DB_MAX_OUTPUT_PORT_TYPE


|keyboardtest|debounce:keydeb
clk => clk~0.IN1
rst => rst~0.IN1
keyin => DEL1.DATAIN
K_out <= jkt:jkf.q


|keyboardtest|debounce:keydeb|jkt:jkf
clk => tq.CLK
rst => tq.ACLR
j => always0~0.IN0
j => always0~3.IN1
j => always0~4.IN0
k => always0~1.IN1
k => always0~2.IN0
k => always0~4.IN1
q <= tq.DB_MAX_OUTPUT_PORT_TYPE


|keyboardtest|CODE:codegen
CLK => REG[7].CLK
CLK => REG[6].CLK
CLK => REG[5].CLK
CLK => REG[4].CLK
CLK => REG[3].CLK
CLK => REG[2].CLK
CLK => REG[1].CLK
CLK => REG[0].CLK
CLK => REG[8].CLK
SCAN_CODE[0] <= REG[7].DB_MAX_OUTPUT_PORT_TYPE
SCAN_CODE[1] <= REG[8].DB_MAX_OUTPUT_PORT_TYPE


|keyboardtest|keypress_det:key_select
SCAN_CODE[0] => Decoder0.IN1
SCAN_CODE[0] => Add0.IN4
SCAN_CODE[1] => Decoder0.IN0
SCAN_CODE[1] => Add0.IN3
ROW[0] => WideAnd0.IN3
ROW[0] => always0~0.IN0
ROW[1] => WideAnd0.IN2
ROW[1] => always0~1.IN0
ROW[2] => WideAnd0.IN1
ROW[2] => always0~2.IN0
ROW[3] => WideAnd0.IN0
ROW[3] => always0~3.IN0
COLUMN[0] <= COLUMN~3.DB_MAX_OUTPUT_PORT_TYPE
COLUMN[1] <= COLUMN~2.DB_MAX_OUTPUT_PORT_TYPE
COLUMN[2] <= COLUMN~1.DB_MAX_OUTPUT_PORT_TYPE
COLUMN[3] <= COLUMN~0.DB_MAX_OUTPUT_PORT_TYPE
PRESSIN => always0~7.IN1
PRESSOUT <= WideAnd0.DB_MAX_OUTPUT_PORT_TYPE
REAL_code[0] <= REAL_code[0]$latch.DB_MAX_OUTPUT_PORT_TYPE
REAL_code[1] <= REAL_code[1]$latch.DB_MAX_OUTPUT_PORT_TYPE
REAL_code[2] <= REAL_code[2]$latch.DB_MAX_OUTPUT_PORT_TYPE
REAL_code[3] <= REAL_code[3]$latch.DB_MAX_OUTPUT_PORT_TYPE


|keyboardtest|sevenseg:SEVEN_DSP
hex[0] => Decoder0.IN3
hex[1] => Decoder0.IN2
hex[2] => Decoder0.IN1
hex[3] => Decoder0.IN0
seg[0] <= seg~6.DB_MAX_OUTPUT_PORT_TYPE
seg[1] <= seg~5.DB_MAX_OUTPUT_PORT_TYPE
seg[2] <= seg~4.DB_MAX_OUTPUT_PORT_TYPE
seg[3] <= seg~3.DB_MAX_OUTPUT_PORT_TYPE
seg[4] <= seg~2.DB_MAX_OUTPUT_PORT_TYPE
seg[5] <= seg~1.DB_MAX_OUTPUT_PORT_TYPE
seg[6] <= seg~0.DB_MAX_OUTPUT_PORT_TYPE
seg[7] <= <VCC>