use work.util.all;
entity rpi_mc_simple_dc is
- port (
- gpio2: in std_logic; -- SDA
- gpio3: in std_logic; -- SCL
- gpio4: out std_logic; -- CLK
- gpio14: in std_logic; -- Tx
- gpio15: in std_logic; -- Rx
- gpio17: out std_logic; -- RTS
- gpio18: out std_logic; -- PWM0/PCMCLK
- gpio27: out std_logic; -- SD1DAT3
- gpio22: out std_logic; -- SD1CLK
- gpio23: out std_logic; -- SD1CMD
- gpio24: out std_logic; -- SD1DAT0
- gpio10: in std_logic; -- SPI0MOSI
- gpio9: in std_logic; -- SPI0MISO
- gpio25: out std_logic; -- SD1DAT1
- gpio11: in std_logic; -- SPI0SCLK
- gpio8: in std_logic; -- SPI0CE0
- gpio7: in std_logic; -- SPI0CE1
- gpio5: in std_logic; -- GPCLK1
- gpio6: in std_logic; -- GPCLK2
- gpio12: in std_logic; -- PWM0
- gpio13: in std_logic; -- PWM1
- gpio19: in std_logic; -- PWM1/SPI1MISO/PCMFS
- gpio16: in std_logic; -- SPI1CE2
- gpio26: in std_logic; -- SD1DAT2
- gpio20: in std_logic; -- SPI1MOSI/PCMDIN/GPCLK0
- gpio21: in std_logic; -- SPI1SCLK/PCMDOUT/GPCLK1
- --
- -- PWM
- -- Each PWM signal has cooresponding shutdown
- pwm: out std_logic_vector (1 to 3);
- shdn: out std_logic_vector (1 to 3);
- -- Fault/power stage status
- stat: in std_logic_vector (1 to 3);
- -- HAL inputs
- hal_in: in std_logic_vector (1 to 3);
- -- IRC inputs
- irc_a: in std_logic;
- irc_b: in std_logic;
- irc_i: in std_logic;
- -- Power status
- power_stat: in std_logic;
- -- ADC for current
- adc_miso: in std_logic;
- adc_mosi: in std_logic;
- adc_sclk: in std_logic;
- adc_scs: in std_logic;
- -- Extarnal SPI
- ext_miso: in std_logic; --master in slave out
- ext_mosi: in std_logic; --master out slave in
- ext_sclk: in std_logic;
- ext_scs0: in std_logic;
- ext_scs1: in std_logic;
- ext_scs2: in std_logic;
- -- RS-485 Transceiver
- rs485_rxd: in std_logic;
- rs485_txd: out std_logic;
- rs485_dir: out std_logic;
- -- CAN Transceiver
- can_rx: in std_logic;
- can_tx: in std_logic;
- -- DIP switch
- dip_sw: in std_logic_vector (1 to 3); --na desce je prohozene cislovanni
- -- Unused terminal to keep design tools silent
- dummy_unused : out std_logic
- );
+port (
+ gpio2: in std_logic; -- SDA
+ gpio3: in std_logic; -- SCL
+ gpio4: in std_logic; -- CLK
+ gpio14: in std_logic; -- Tx
+ gpio15: in std_logic; -- Rx
+ gpio17: out std_logic; -- RTS
+ gpio18: out std_logic; -- PWM0/PCMCLK
+ gpio27: out std_logic; -- SD1DAT3
+ gpio22: out std_logic; -- SD1CLK
+ gpio23: out std_logic; -- SD1CMD
+ gpio24: out std_logic; -- SD1DAT0
+ gpio10: in std_logic; -- SPI0MOSI
+ gpio9: out std_logic; -- SPI0MISO
+ gpio25: out std_logic; -- SD1DAT1
+ gpio11: in std_logic; -- SPI0SCLK
+ gpio8: in std_logic; -- SPI0CE0
+ gpio7: in std_logic; -- SPI0CE1
+ gpio5: in std_logic; -- GPCLK1
+ gpio6: in std_logic; -- GPCLK2
+ gpio12: in std_logic; -- PWM0
+ gpio13: in std_logic; -- PWM1
+ gpio19: in std_logic; -- PWM1/SPI1MISO/PCMFS
+ gpio16: in std_logic; -- SPI1CE2
+ gpio26: in std_logic; -- SD1DAT2
+ gpio20: in std_logic; -- SPI1MOSI/PCMDIN/GPCLK0
+ gpio21: in std_logic; -- SPI1SCLK/PCMDOUT/GPCLK1
+ --
+ -- PWM
+ -- Each PWM signal has cooresponding shutdown
+ pwm: out std_logic_vector (1 to 3);
+ shdn: out std_logic_vector (1 to 3);
+ -- Fault/power stage status
+ stat: in std_logic_vector (1 to 3);
+ -- HAL inputs
+ hal_in: in std_logic_vector (1 to 3);
+ -- IRC inputs
+ irc_a: in std_logic;
+ irc_b: in std_logic;
+ irc_i: in std_logic;
+ -- Power status
+ power_stat: in std_logic;
+ -- ADC for current
+ adc_miso: in std_logic;
+ adc_mosi: in std_logic;
+ adc_sclk: in std_logic;
+ adc_scs: in std_logic;
+ -- Extarnal SPI
+ ext_miso: in std_logic; --master in slave out
+ ext_mosi: in std_logic; --master out slave in
+ ext_sclk: in std_logic;
+ ext_scs0: in std_logic;
+ ext_scs1: in std_logic;
+ ext_scs2: in std_logic;
+ -- RS-485 Transceiver
+ rs485_rxd: in std_logic;
+ rs485_txd: out std_logic;
+ rs485_dir: out std_logic;
+ -- CAN Transceiver
+ can_rx: in std_logic;
+ can_tx: in std_logic;
+ -- DIP switch
+ dip_sw: in std_logic_vector (1 to 3); --na desce je prohozene cislovanni
+ -- Unused terminal to keep design tools silent
+ dummy_unused : out std_logic
+);
end rpi_mc_simple_dc;
component CLKINT
port (A: in std_logic; Y: out std_logic);
end component;
+
+ component qcounter
+ port (
+ clock: in std_logic;
+ reset: in std_logic;
+ a0, b0: in std_logic;
+ qcount: out std_logic_vector (31 downto 0);
+ a_rise, a_fall, b_rise, b_fall, ab_event: out std_logic;
+ ab_error: out std_logic
+ );
+ end component;
+ signal spiclk_old_lvl: std_logic :='0'; --pro detekci hrany SPI hodin
signal pwm_in, pwm_dir_in: std_logic;
signal spi_clk: std_logic;
- signal dat_reg : STD_LOGIC_VECTOR (7 downto 0); --registr pro SPI
-
+ signal gpio_clk: std_logic;
+ signal dat_reg : STD_LOGIC_VECTOR (64 downto 0):=(others=>'0'); --inicializace - funguje?
+ --"0000000100100011010001010110011110001001101010111100110111101111";
+ --(others=>'0'); --registr pro SPI
+ signal position: std_logic_vector(31 downto 0); --pozice z qcounteru
+ --signal spi_clk_rise: std_logic; --synchronni detekce nabezne hrany spi hodin
+ --signal spi_clk_fall: std_logic; --synchronni detekce sestupne hrany spi hodin
+ signal ce0_old: std_logic;
+
-- attribute syn_noprune of gpio2 : signal is true;
-- attribute syn_preserve of gpio2 : signal is true;
-- attribute syn_keep of gpio2 : signal is true;
begin
-- PLL as a reset generator
+
+ --zesileni signalu hodin SPI - bez zesileni nelze syntetizovat
copyclk: CLKINT
port map (
a => gpio11,
y => spi_clk
);
+
+ --zesileni signalu GPIO CLK
+ copyclk2: CLKINT
+ port map (
+ a => gpio4,
+ y => gpio_clk
+ );
+
+
+ qcount: qcounter
+ port map (
+ clock => gpio_clk,
+ reset => '0',
+ a0 => irc_a,
+ b0 => irc_b,
+ qcount => position,
+ a_rise => open,
+ a_fall => open,
+ b_rise => open,
+ b_fall => open,
+ ab_event => open,
+ ab_error => open
+ );
+
+
-- pll: pll50to200
-- port map (
-- powerdown => '1',
-- upon power-on
-- clock <= clkm;
- dummy_unused <= gpio2 and gpio3 and
+ dummy_unused <= gpio2 and gpio3 and gpio4 and
gpio5 and gpio6 and
gpio12 and gpio13 and gpio14 and
gpio15 and gpio16 and gpio19 and
dip_sw(1) and dip_sw(2) and dip_sw(3) and
irc_a and irc_b and
-- gpio17 and gpio18 and gpio27 and gpio22 and
- gpio8 and gpio9 and gpio11 and gpio7 and gpio10 and
+ gpio8 and gpio11 and gpio7 and gpio10 and
ext_scs1 and ext_scs2 and ext_miso and ext_mosi and ext_sclk and ext_scs0;
rs485_txd <= '1';
rs485_dir <= '0';
-
- --gpio24 <= dip_sw(1); --na desce je prohozene cislovani
shdn(1) <= '0';
shdn(2) <= '0';
pwm(2) <= '0';
pwm(3) <= '0';
-
+
+-- process(gpio_clk)
+-- begin
+-- if gpio_clk= '1' and gpio_clk'event then
+-- spiclk_old_lvl<=spi_clk;
+-- end if;
+-- end process;
+-- spi_clk_rise <= (not spiclk_old_lvl) and spi_clk;
+-- spi_clk_fall <= (not spi_clk) and spiclk_old_lvl;
+
- process (spi_clk) --nufunguje preo piny 11,17,27 funguje pro 4,18,22,ext_sclk,10
+-- process(spi_clk_fall,spi_clk_rise)
+ process
begin
- --if (gpio11'event and gpio11 = '1') then -- rising edge of SCK
- if (rising_edge(spi_clk)) then
+ wait until (gpio_clk'event and gpio_clk='1');
+ if (spi_clk='1' and spiclk_old_lvl='0') then --rising edge, faze cteni
if (gpio7 = '0') then -- SPI CS must be selected
-- shift serial data into dat_reg on each rising edge
-- of SCK, MSB first
- dat_reg(7 downto 0) <= dat_reg(6 downto 0) & gpio10;
-
- gpio4 <= dat_reg(7);
- gpio17 <= dat_reg(6);
- gpio18 <= dat_reg(5);
- gpio27 <= dat_reg(4);
- gpio22 <= dat_reg(3);
- gpio23 <= dat_reg(2);
- gpio24 <= dat_reg(1);
- gpio25 <= dat_reg(0);
-
+ dat_reg(63 downto 0) <= dat_reg(62 downto 0) & gpio10;
+ spiclk_old_lvl <= '1';
+ end if;
+ elsif (spi_clk='0' and spiclk_old_lvl='1' ) then --falling edge, faze zapisu
+ if (gpio7 = '0') then
+ gpio9 <= dat_reg(63); --zapisujeme nejdriv MSB
+ spiclk_old_lvl <= '0';
end if;
end if;
+
+ if (gpio7='1' and ce0_old = '0') then --nastupna hrana slave select
+ ce0_old <= '1';
+ elsif (gpio7='0' and ce0_old = '1') then --sestupna hrana SS, pripravime data pro prenos
+ dat_reg(63 downto 32) <= position(31 downto 0); --pozice
+ dat_reg(31 downto 0) <= (others => '0'); --zbytek zatim nuly
+ ce0_old <= '0';
+ end if;
end process;
+
+
end behavioral;
+
projects / fpga / rpi-motor-control.git / blobdiff