CLK_24MHz: in std_logic;
RESET: in std_logic;
- RXD : out std_logic;
- TXD : in std_logic
+ RXD : in std_logic;
+ TXD : out std_logic;
+
+ ROT_FEED : out std_logic;
+ ROT_A : in std_logic;
+ ROT_B : in std_logic;
+ ROT_PRESS : in std_logic;
+
+ PWM : out std_logic
);
end openMSP430_uart;
);
end component;
-
- component omsp_gpio
+ component omsp_quadcount is
generic (
- P1_EN : std_logic;
- P2_EN : std_logic;
- P3_EN : std_logic;
- P4_EN : std_logic;
- P5_EN : std_logic;
- P6_EN : std_logic
- );
- port(
- mclk : in std_logic;
- p1_din : in std_logic_vector(7 downto 0);
- p2_din : in std_logic_vector(7 downto 0);
- p3_din : in std_logic_vector(7 downto 0);
- p4_din : in std_logic_vector(7 downto 0);
- p5_din : in std_logic_vector(7 downto 0);
- p6_din : in std_logic_vector(7 downto 0);
- per_addr : in std_logic_vector(7 downto 0);
- per_din : in std_logic_vector(15 downto 0);
- per_en : in std_logic;
- per_wen : in std_logic_vector(1 downto 0);
- puc : in std_logic;
- irq_port1 : out std_logic;
- irq_port2 : out std_logic;
- p1_dout : out std_logic_vector(7 downto 0);
- p1_dout_en : out std_logic_vector(7 downto 0);
- p1_sel : out std_logic_vector(7 downto 0);
- p2_dout : out std_logic_vector(7 downto 0);
- p2_dout_en : out std_logic_vector(7 downto 0);
- p2_sel : out std_logic_vector(7 downto 0);
- p3_dout : out std_logic_vector(7 downto 0);
- p3_dout_en : out std_logic_vector(7 downto 0);
- p3_sel : out std_logic_vector(7 downto 0);
- p4_dout : out std_logic_vector(7 downto 0);
- p4_dout_en : out std_logic_vector(7 downto 0);
- p4_sel : out std_logic_vector(7 downto 0);
- p5_dout : out std_logic_vector(7 downto 0);
- p5_dout_en : out std_logic_vector(7 downto 0);
- p5_sel : out std_logic_vector(7 downto 0);
- p6_dout : out std_logic_vector(7 downto 0);
- p6_dout_en : out std_logic_vector(7 downto 0);
- p6_sel : out std_logic_vector(7 downto 0);
- per_dout : out std_logic_vector(15 downto 0)
- );
- end component;
-
- component omsp_timerA
+ ADDR : std_logic_vector (15 downto 0));
+ port (
+ mclk : in std_logic;
+ puc : in std_logic;
+ per_addr : in std_logic_vector (7 downto 0);
+ per_en : in std_logic;
+ per_irq : out std_logic;
+ per_dout : out std_logic_vector (15 downto 0);
+ qclk : in std_logic;
+ qreset : in std_logic;
+ a0, b0 : in std_logic;
+ qcount : out std_logic_vector (31 downto 0));
+ end component omsp_quadcount;
+
+ component uart is
port (
- irq_ta0 : out std_logic; -- Timer A interrupt: TACCR0
- irq_ta1 : out std_logic; -- Timer A interrupt: TAIV, TACCR1, TACCR2
- per_dout : out std_logic_vector (15 downto 0); -- Peripheral data output
- ta_out0 : out std_logic; -- Timer A output 0
- ta_out0_en : out std_logic; -- Timer A output 0 enable
- ta_out1 : out std_logic; -- Timer A output 1
- ta_out1_en : out std_logic; -- Timer A output 1 enable
- ta_out2 : out std_logic; -- Timer A output 2
- ta_out2_en : out std_logic; -- Timer A output 2 enable
+ mclk : in std_logic;
+ per_addr : in std_logic_vector (7 downto 0);
+ per_din : in std_logic_vector (15 downto 0);
+ per_en : in std_logic;
+ per_wen : in std_logic_vector (1 downto 0);
+ puc : in std_logic;
+ per_irq_acc : in std_logic;
+ per_irq : out std_logic;
+ per_dout : out std_logic_vector (15 downto 0);
- aclk_en : in std_logic; -- ACLK enable (from CPU)
- dbg_freeze : in std_logic; -- Freeze Timer A counter
- inclk : in std_logic; -- INCLK external timer clock (SLOW)
- irq_ta0_acc : in std_logic; -- Interrupt request TACCR0 accepted
- mclk : in std_logic; -- Main system clock
- per_addr : in std_logic_vector (7 downto 0); -- Peripheral address
- per_din : in std_logic_Vector (15 downto 0); -- Peripheral data input
- per_en : in std_logic; -- Peripheral enable (high active)
- per_wen : in std_logic_vector (1 downto 0); -- Peripheral write enable (high active)
- puc : in std_logic; -- Main system reset
- smclk_en : in std_logic; -- SMCLK enable (from CPU)
- ta_cci0a : in std_logic; -- Timer A capture 0 input A
- ta_cci0b : in std_logic; -- Timer A capture 0 input B
- ta_cci1a : in std_logic; -- Timer A capture 1 input A
- ta_cci1b : in std_logic; -- Timer A capture 1 input B
- ta_cci2a : in std_logic; -- Timer A capture 2 input A
- ta_cci2b : in std_logic; -- Timer A capture 2 input B
- taclk : in std_logic -- TACLK external timer clock (SLOW)
+ rxd : in std_logic;
+ txd : out std_logic
);
end component;
+ component omsp_pwm is
+ generic (
+ ADDR : integer;
+ PWM_WIDTH : integer);
+ port (
+ mclk : in std_logic;
+ puc : in std_logic;
+ per_addr : in std_logic_vector (7 downto 0);
+ per_en : in std_logic;
+ per_wen : in std_logic_vector (1 downto 0);
+ per_din : in std_logic_vector (15 downto 0);
+ per_dout : out std_logic_vector (15 downto 0);
+ pwm_cnt : in std_logic_vector (15 downto 0);
+ pwm : out std_logic);
+ end component omsp_pwm;
+
+ component counter is
+ generic (
+ WIDTH : integer;
+ MAX : integer);
+ port (
+ clk : in std_logic;
+ reset : in std_ulogic;
+ count : out std_logic_vector (WIDTH-1 downto 0));
+ end component counter;
+
+
signal mclk : std_logic;
signal puc : std_logic;
signal per_addr : std_logic_vector (7 downto 0);
- signal gpio_per_dout : std_logic_vector (15 downto 0);
- signal timerA_per_dout : std_logic_vector (15 downto 0);
+ signal omsp_quadcount_dout : std_logic_vector (15 downto 0);
+ signal omsp_quadcount_irq : std_logic;
- signal irq_ta0 : std_logic;
- signal irq_ta1 : std_logic;
+ signal uart_dout : std_logic_vector (15 downto 0);
+ signal uart_irq : std_logic;
+
+ signal omsp_pwm_dout : std_logic_vector (15 downto 0);
+
+ signal pwm_cnt : std_logic_vector (15 downto 0);
--------------------------------------------------------------------------------
we => '1'
);
-
- omsp_gpio_0 : omsp_gpio
+ omsp_quadcount_1: omsp_quadcount
generic map (
- P1_EN => '1', -- Enable Port 1
- P2_EN => '1', -- Enable Port 2
- P3_EN => '0', -- Enable Port 3
- P4_EN => '0', -- Enable Port 4
- P5_EN => '0', -- Enable Port 5
- P6_EN => '0' -- Enable Port 6
- )
+ ADDR => X"0150")
port map (
- irq_port1 => open,
- irq_port2 => open,
- p1_dout (7 downto 2) => open,
- p1_dout (1) => RXD,
- p1_dout (0) => open,
- p1_dout_en => open,
- p1_sel => open,
- p2_dout => open,
- p2_dout_en => open,
- p2_sel => open,
- p3_dout => open,
- p3_dout_en => open,
- p3_sel => open,
- p4_dout => open,
- p4_dout_en => open,
- p4_sel => open,
- p5_dout => open,
- p5_dout_en => open,
- p5_sel => open,
- p6_dout => open,
- p6_dout_en => open,
- p6_sel => open,
- per_dout => gpio_per_dout,
- mclk => mclk,
- p1_din => (others => '0'),
- p2_din => (others => '0'),
- p3_din => (others => '0'),
- p4_din => (others => '0'),
- p5_din => (others => '0'),
- p6_din => (others => '0'),
+ mclk => mclk,
+ puc => puc,
per_addr => per_addr,
- per_din => per_din,
- per_en => per_en,
- per_wen => per_wen,
- puc => puc
- );
-
- omsp_timerA_0 : omsp_timerA port map (
- irq_ta0 => irq_ta0,
- irq_ta1 => irq_ta1,
- per_dout => timerA_per_dout,
- ta_out0 => open,
- ta_out0_en => open,
- ta_out1 => open,
- ta_out1_en => open,
- ta_out2 => open,
- ta_out2_en => open,
+ per_en => per_en,
+ per_irq => omsp_quadcount_irq,
+ per_dout => omsp_quadcount_dout,
+ qclk => mclk,
+ qreset => ROT_PRESS,
+ a0 => ROT_A,
+ b0 => ROT_B,
+ qcount => open
+ );
- aclk_en => aclk_en,
- dbg_freeze => '0',
- inclk => '0',
- irq_ta0_acc => irq_acc (9),
+ uart_o : uart port map (
mclk => mclk,
per_addr => per_addr,
per_din => per_din,
per_en => per_en,
per_wen => per_wen,
puc => puc,
- smclk_en => smclk_en,
- ta_cci0a => '0',
- ta_cci0b => TXD,
- ta_cci1a => '0',
- ta_cci1b => '0',
- ta_cci2a => '0',
- ta_cci2b => '0',
- taclk => '0'
+ per_irq_acc => '0',
+ per_irq => uart_irq,
+ per_dout => uart_dout,
+
+ rxd => RXD,
+ txd => TXD
);
+ omsp_pwm_1 : omsp_pwm
+ generic map (
+ ADDR => 16#0160#,
+ PWM_WIDTH => 16)
+ port map (
+ mclk => mclk,
+ puc => puc,
+ per_addr => per_addr,
+ per_en => per_en,
+ per_wen => per_wen,
+ per_din => per_din,
+ per_dout => omsp_pwm_dout,
+ pwm_cnt => pwm_cnt,
+ pwm => PWM);
+
+ counter_1 : counter
+ generic map (
+ WIDTH => 16,
+ MAX => 2**16 - 2)
+ port map (
+ clk => mclk,
+ reset => puc,
+ count => pwm_cnt);
+
--------------------------------------------------------------------------------
- per_dout <= gpio_per_dout or timerA_per_dout;
+ per_dout <= uart_dout or omsp_quadcount_dout or omsp_pwm_dout;
- irq <= (9 => irq_ta0,
- 8 => irq_ta1,
+ irq <= (6 => uart_irq,
+ 7 => omsp_quadcount_irq,
others => '0');
+ ROT_FEED <= '1';
+
end rtl;
projects / fpga / virtex2 / uart.git / blobdiff