Switch from the deprecated 'Drive' to ':=='
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@ -17,17 +17,17 @@ Top = subclass Elaboratable where
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pulser = (Submodule.pulser $ Pulser$ freq // 2).out
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seg7 = Submodule.seg7$ Segment7x2 decimal: False
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Comb$ Drive @ledr blinker
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Comb$ @ledr :== blinker
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ff = Signal 1 reset: 1
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When pulser $ ->
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Sync$ Drive ff ~ff
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Sync$ ff :== ~ff
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Comb$ Drive @ledg ff
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Comb$ @ledg :== ff
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counter = Signal 4
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When pulser $ ->
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Sync$ Drive counter (counter + 1)
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Sync$ counter :== counter + 1
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# TODO: learn SPI FLASH
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mem = Memory
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@ -35,13 +35,13 @@ Top = subclass Elaboratable where
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depth: 16 # ew
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init: ([0xde, 0xad, 0xbe, 0xef]*4)
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rdport = Submodule.rdport$ mem.read_port!
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Comb$ Drive rdport.addr counter
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Comb$ rdport.addr :== counter
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Comb$ Drive seg7.number rdport.data
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#Comb$ Drive seg7.number counter
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Comb$ Drive @seg7 (Cat seg7.segs seg7.select)
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Comb$ seg7.number :== rdport.data
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#Comb$ seg7.number :== counter
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Comb$ @seg7 :== Cat seg7.segs seg7.select
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@ -56,20 +56,20 @@ Top = subclass Elaboratable where
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@btn_l = platform.request "button" 3
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state = Signal 4 reset: 0b1000
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Comb$ Drive @leds state
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Comb$ Drive @ledm (@btn_r | @btn_l)
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Comb$ @leds :== state
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Comb$ @ledm :== (@btn_r | @btn_l)
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When (on_rising_edge @btn_l) $ ->
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Sync$ Drive state (state.rotate_left 1)
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Sync$ state :== state.rotate_left 1
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When (on_rising_edge @btn_r) $ ->
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Sync$ Drive state (state.rotate_right 1)
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Sync$ state :== state.rotate_right 1
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When (on_rising_edge @btn_m) $ ->
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Sync$ Drive state ~state
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Sync$ state :== ~state
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on_rising_edge = signal ->
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prev = Signal (signal.shape!)
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Sync$ Drive prev signal
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Sync$ prev :== signal
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~ signal.implies prev
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@ -8,11 +8,11 @@ Blinker = subclass Elaboratable where
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elaborate = platform ~> m where with m = Module! =>
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counter = Signal$ range (@ncycles + 1)
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Sync$ Drive counter (counter - 1)
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Sync$ counter :== counter - 1
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When (counter == 0) $ ->
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Sync$ Drive @out (~ @out)
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Sync$ Drive counter @ncycles
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Sync$ @out :== ~ @out
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Sync$ counter :== @ncycles
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if __name__ == "__main__" =>
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blinker = Blinker ncycles: 10000000
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@ -7,14 +7,14 @@ Pulser = subclass Elaboratable where
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@out = Signal!
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elaborate = platform ~> m where with m = Module! =>
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Sync$ Drive @out LOW
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Sync$ @out :== 0
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counter = Signal$ range (@ncycles + 1)
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Sync$ Drive counter (counter - 1)
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Sync$ counter :== counter - 1
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When (counter == 0) $ ->
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Sync$ Drive @out HIGH
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Sync$ Drive counter @ncycles
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Sync$ @out :== HIGH
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Sync$ counter :== @ncycles
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if __name__ == "__main__" =>
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pulser = Pulser ncycles: 10000000
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@ -13,21 +13,20 @@ Segment7x2 = subclass Elaboratable where
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elaborate = platform ~> m where with m = Module! =>
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select = Signal!
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Sync$ Drive select ~select
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Sync$ select :== ~select
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seg7 = Submodule$ Segment7!
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if not @decimal =>
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Comb$ Drive seg7.number $ Mux select
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@number >> 4
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@number & 0x0f
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if @decimal =>
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Comb$ Drive seg7.number $ Mux select
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Comb$ seg7.number :== if
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@decimal => Mux select
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@number // 10
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@number % 10
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otherwise => Mux select
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@number >> 4
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@number & 0x0f
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Comb$ Drive @segs seg7.segs
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Comb$ Drive @select select
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Comb$ @segs :== seg7.segs
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Comb$ @select :== select
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Segment7 = subclass Elaboratable where
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@ -37,22 +36,22 @@ Segment7 = subclass Elaboratable where
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elaborate = platform ~> m where with m = Module! =>
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Switch @number
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0x0 ,-> Comb$ Drive @segs 0b0111111
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0x1 ,-> Comb$ Drive @segs 0b0000110
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0x2 ,-> Comb$ Drive @segs 0b1011011
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0x3 ,-> Comb$ Drive @segs 0b1001111
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0x4 ,-> Comb$ Drive @segs 0b1100110
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0x5 ,-> Comb$ Drive @segs 0b1101101
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0x6 ,-> Comb$ Drive @segs 0b1111101
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0x7 ,-> Comb$ Drive @segs 0b0000111
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0x8 ,-> Comb$ Drive @segs 0b1111111
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0x9 ,-> Comb$ Drive @segs 0b1101111
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0xa ,-> Comb$ Drive @segs 0b1110111
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0xb ,-> Comb$ Drive @segs 0b1111100
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0xc ,-> Comb$ Drive @segs 0b0111001
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0xd ,-> Comb$ Drive @segs 0b1011110
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0xe ,-> Comb$ Drive @segs 0b1111001
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0xf ,-> Comb$ Drive @segs 0b1110001
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0x0 ,-> Comb$ @segs :== 0b0111111
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0x1 ,-> Comb$ @segs :== 0b0000110
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0x2 ,-> Comb$ @segs :== 0b1011011
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0x3 ,-> Comb$ @segs :== 0b1001111
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0x4 ,-> Comb$ @segs :== 0b1100110
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0x5 ,-> Comb$ @segs :== 0b1101101
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0x6 ,-> Comb$ @segs :== 0b1111101
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0x7 ,-> Comb$ @segs :== 0b0000111
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0x8 ,-> Comb$ @segs :== 0b1111111
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0x9 ,-> Comb$ @segs :== 0b1101111
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0xa ,-> Comb$ @segs :== 0b1110111
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0xb ,-> Comb$ @segs :== 0b1111100
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0xc ,-> Comb$ @segs :== 0b0111001
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0xd ,-> Comb$ @segs :== 0b1011110
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0xe ,-> Comb$ @segs :== 0b1111001
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0xf ,-> Comb$ @segs :== 0b1110001
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if __name__ == "__main__" =>
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