Добавил блок SerialBusMaster. Описание адресного пространства https://docs.google.com/spreadsheets/d/1YiDgJD9m-7imFdXdC5MSfWhiwEYSqdSyA5iGffnVPWk/edit#gid=159505595.
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@ -136,11 +136,11 @@ applicable agreement for further details.
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@ -153,11 +153,11 @@ applicable agreement for further details.
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@ -187,7 +187,7 @@ applicable agreement for further details.
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@ -221,26 +221,25 @@ applicable agreement for further details.
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@ -324,6 +323,131 @@ applicable agreement for further details.
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"DATA_BUS_WIDTH"
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"8"
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""
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(type "PARAMETER_SIGNED_DEC") )
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(parameter
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"ADDRESS_BUS_WIDTH"
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"9"
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(type "PARAMETER_SIGNED_DEC") )
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(rect 1040 544 1368 688)
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@ -411,6 +535,16 @@ applicable agreement for further details.
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"3"
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""
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(type "PARAMETER_SIGNED_DEC") )
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(parameter
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"REG_ADDR_CONTROL_UPPER_BYTE"
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"4"
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""
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(type "PARAMETER_SIGNED_DEC") )
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(parameter
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"REG_ADDR_CONTROL_LOWER_BYTE"
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"5"
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""
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(type "PARAMETER_SIGNED_DEC") )
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(parameter
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"DATA_BUS_WIDTH"
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"8"
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@ -424,132 +558,7 @@ applicable agreement for further details.
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||||
(drawing
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||||
(rectangle (rect 16 16 312 128))
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||||
(pt 0 32)
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||||
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||||
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||||
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|
||||
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||||
"DATA_BUS_WIDTH"
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"8"
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||||
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(type "PARAMETER_SIGNED_DEC") )
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(parameter
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"ADDRESS_BUS_WIDTH"
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"9"
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||||
""
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||||
(type "PARAMETER_SIGNED_DEC") )
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||||
(drawing
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||||
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||||
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||||
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|
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||||
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||||
(pt 0 32)
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||||
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||||
(text "clk" (rect 0 0 15 14)(font "Arial" (font_size 8)))
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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(connector
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(pt 560 32)
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@ -659,11 +668,6 @@ applicable agreement for further details.
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(pt 704 240)
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(pt 680 240)
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)
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(connector
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(pt 544 408)
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(pt 1440 408)
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(bus)
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)
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||||
(connector
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(pt 952 240)
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||||
(pt 952 336)
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@ -680,10 +684,6 @@ applicable agreement for further details.
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(pt 680 -16)
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(pt 936 -16)
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)
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||||
(connector
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(pt 824 32)
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(pt 1336 32)
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)
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(connector
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(pt 608 32)
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(pt 608 136)
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@ -713,16 +713,6 @@ applicable agreement for further details.
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(pt 1040 640)
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(pt 952 640)
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)
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||||
(connector
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(pt 1440 288)
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(pt 1440 408)
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(bus)
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)
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||||
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||||
(pt 856 136)
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||||
(pt 936 136)
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@ -731,6 +721,15 @@ applicable agreement for further details.
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||||
(pt 936 -16)
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(pt 936 136)
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)
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||||
(connector
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||||
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||||
(pt 1840 32)
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||||
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(connector
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(pt 1840 288)
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||||
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(bus)
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)
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(junction (pt 608 32))
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(junction (pt 1000 288))
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(junction (pt 984 304))
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@ -106,6 +106,16 @@ applicable agreement for further details.
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"3"
|
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""
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(type "PARAMETER_SIGNED_DEC") )
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||||
(parameter
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||||
"REG_ADDR_CONTROL_UPPER_BYTE"
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||||
"4"
|
||||
""
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||||
(type "PARAMETER_SIGNED_DEC") )
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||||
(parameter
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||||
"REG_ADDR_CONTROL_LOWER_BYTE"
|
||||
"5"
|
||||
""
|
||||
(type "PARAMETER_SIGNED_DEC") )
|
||||
(parameter
|
||||
"DATA_BUS_WIDTH"
|
||||
"8"
|
||||
|
||||
@ -8,6 +8,8 @@ entity RAM9X8_SerialBusMaster is
|
||||
REG_ADDR_DATA_LOWER_BYTE : integer := 1;
|
||||
REG_ADDR_CMD_UPPER_BYTE : integer := 2;
|
||||
REG_ADDR_CMD_LOWER_BYTE : integer := 3;
|
||||
REG_ADDR_CONTROL_UPPER_BYTE : integer := 4;
|
||||
REG_ADDR_CONTROL_LOWER_BYTE : integer := 5;
|
||||
|
||||
DATA_BUS_WIDTH : integer := 8;
|
||||
ADDRESS_BUS_WIDTH : integer := 9
|
||||
@ -30,9 +32,10 @@ end entity;
|
||||
|
||||
architecture behavorial of RAM9X8_SerialBusMaster is
|
||||
|
||||
signal dataBufIn : std_logic_vector(DATA_BUS_WIDTH*2 - 1 downto 0);
|
||||
signal dataBufOut : std_logic_vector(DATA_BUS_WIDTH*2 - 1 downto 0);
|
||||
signal cmdBuf : std_logic_vector(DATA_BUS_WIDTH*2 - 1 downto 0);
|
||||
signal dataBufIn : std_logic_vector(15 downto 0) := (others => '0');
|
||||
signal dataBufOut : std_logic_vector(15 downto 0) := (others => '0');
|
||||
signal cmdBuf : std_logic_vector(15 downto 0) := (others => '0');
|
||||
signal controlBuf : std_logic_vector(15 downto 0) := (others => '0');
|
||||
|
||||
signal direction : std_logic := '0';
|
||||
signal addressToTransmit : std_logic_vector(7 downto 0) := x"00";
|
||||
@ -55,11 +58,12 @@ signal startPrev : std_logic := '0';
|
||||
begin
|
||||
|
||||
process (we, oe, ce)
|
||||
variable addr : integer range 0 to 511 := 0;
|
||||
variable addr : integer range 0 to 2**ADDRESS_BUS_WIDTH - 1 := 0;
|
||||
begin
|
||||
if (ce = '0') then -- Если микросхема выбрана
|
||||
addr := conv_integer(address);
|
||||
if (addr = REG_ADDR_DATA_UPPER_BYTE or addr = REG_ADDR_DATA_LOWER_BYTE or addr = REG_ADDR_CMD_UPPER_BYTE or addr = REG_ADDR_CMD_LOWER_BYTE) then
|
||||
if (addr = REG_ADDR_DATA_UPPER_BYTE or addr = REG_ADDR_DATA_LOWER_BYTE or addr = REG_ADDR_CMD_UPPER_BYTE or addr = REG_ADDR_CMD_LOWER_BYTE
|
||||
or addr = REG_ADDR_CONTROL_UPPER_BYTE or addr = REG_ADDR_CONTROL_LOWER_BYTE) then
|
||||
if (oe = '0') then -- Если сигнал чтения активен
|
||||
case addr is
|
||||
when REG_ADDR_DATA_UPPER_BYTE =>
|
||||
@ -70,6 +74,10 @@ begin
|
||||
data <= cmdBuf(15 downto 8);
|
||||
when REG_ADDR_CMD_LOWER_BYTE =>
|
||||
data <= cmdBuf(7 downto 0);
|
||||
when REG_ADDR_CONTROL_UPPER_BYTE =>
|
||||
data <= controlBuf(15 downto 8);
|
||||
when REG_ADDR_CONTROL_UPPER_BYTE =>
|
||||
data <= controlBuf(7 downto 0);
|
||||
when others =>
|
||||
data <= (others => 'Z'); -- Запретить запись на шину
|
||||
end case;
|
||||
@ -125,6 +133,7 @@ begin
|
||||
dataCRC(15 downto 0) <= dataBufIn;
|
||||
CommunicationState <= TransmitAddress;
|
||||
lineBusy <= '1';
|
||||
controlBuf <= (others => '0');
|
||||
end if;
|
||||
when TransmitAddress =>
|
||||
if bitCnt = -1 then
|
||||
@ -182,7 +191,6 @@ begin
|
||||
if readyCRC = '1' then
|
||||
if bitCnt = -1 then
|
||||
CommunicationState <= TransmitCheck;
|
||||
--errors(1) <= '0';
|
||||
else
|
||||
if count < count and state = 1 then
|
||||
sbdataout <= CRC(bitCnt);
|
||||
@ -202,8 +210,7 @@ begin
|
||||
end if;
|
||||
else
|
||||
CommunicationState <= Waiting;
|
||||
--errors(1) <= '1';
|
||||
--countError1 <= countError1 + 1;
|
||||
controlBuf(15) <= '1';
|
||||
end if;
|
||||
when TransmitCheck =>
|
||||
if count < countValue and state = 1 then
|
||||
@ -213,11 +220,9 @@ begin
|
||||
count := 0;
|
||||
state := 0;
|
||||
if sbdatain = '0' then
|
||||
--countSuccessfulTransmite <= countSuccessfulTransmite + 1;
|
||||
--errors(0) <= '0';
|
||||
controlBuf(0) <= '1';
|
||||
else
|
||||
--errors(0) <= '1';
|
||||
--countError0 <= countError0 + 1;
|
||||
controlBuf(14) <= '1';
|
||||
end if;
|
||||
CommunicationState <= Waiting;
|
||||
end if;
|
||||
@ -271,17 +276,13 @@ begin
|
||||
when ReceiveCheck =>
|
||||
if readyCRC = '1' then
|
||||
if bufCRC = CRC then
|
||||
--countSuccessfulReceive <= countSuccessfulReceive + 1;
|
||||
dataBufOut <= dataFromDevices;
|
||||
--errors(3) <= '0';
|
||||
controlBuf(0) <= '1';
|
||||
else
|
||||
--errors(3) <= '1';
|
||||
--countError3 <= countError3 + 1;
|
||||
controlBuf(13) <= '1';
|
||||
end if;
|
||||
--errors(2) <= '0';
|
||||
else
|
||||
--errors(2) <= '1';
|
||||
--countError2 <= countError2 + 1;
|
||||
controlBuf(12) <= '1';
|
||||
end if;
|
||||
CommunicationState <= Waiting;
|
||||
when others =>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user