def __init__(self, master, getSpeed, name, increaseKey, decreaseKey):
super().__init__(master)
self.name = name
self.frame = tk.Frame()
self.getSpeed = getSpeed
self.frame.rowconfigure(0, minsize=100, weight=1)
self.frame.columnconfigure([0, 1, 2, 3], minsize=100, weight=1)
self.name_label = tk.Label(master=self.frame, text=f"{self.name}")
self.name_label.grid(row=0, column=0)
self.btn_decrease = tk.Button(master=self.frame,
text="-",
command=self.increase)
self.btn_decrease.bind('<Button-1>', self.decrease)
self.btn_decrease.grid(row=0, column=1, sticky="nsew")
self.label = tk.Label(master=self.frame, text="0")
self.label.grid(row=0, column=2)
self.btn_increase = tk.Button(
master=self.frame, text="+",
command=self.decrease) # command=self.stop for debouncer fail
self.btn_increase.bind('<Button-1>', self.increase)
self.btn_increase.grid(row=0, column=3, sticky="nsew")
# failsafe for when debouncer fails
# master.bind('<KeyPress-' + increaseKey + '>', self.increase)
# master.bind('<KeyRelease-' + increaseKey + '>', self.stop)
# master.bind('<KeyPress-' + decreaseKey + '>', self.decrease)
# master.bind('<KeyRelease-' + decreaseKey + '>', self.stop)
self.up_debouncer = Debouncer(self.increase, self.decrease)
master.bind('<KeyPress-' + increaseKey + '>',
self.up_debouncer.pressed)
master.bind('<KeyRelease-' + increaseKey + '>',
self.up_debouncer.released)
self.down_debouncer = Debouncer(self.decrease, self.increase)
master.bind('<KeyPress-' + decreaseKey + '>',
self.down_debouncer.pressed)
master.bind('<KeyRelease-' + decreaseKey + '>',
self.down_debouncer.released)
self.frame.pack()
def __init__(self): #initiating instance of self
self.app = tk.Tk() #start tkinter interface
self.debouncer = Debouncer(
self.system, self.released
) #call debouncer function from debouncer.py and feed input and output functions to arguments
self.app.bind('<KeyPress>', self.debouncer.pressed
) #bind key press to in-built debouncer function
self.app.bind('<KeyRelease>', self.debouncer.released
) # bind key release to in-built debouncer function
def __init__(self):
# start the video stream object then initialize the frame
self.netController = NetControl()
self.netController.startVideo()
self.frame = None
# initialize the root window and image panel
self.root = tki.Tk()
self.panel = None
# set a callback to handle when the window is closed
self.root.wm_title("Robot Control App")
self.root.wm_protocol("WM_DELETE_WINDOW", self.onClose)
# setup the key debouncer
self.debouncer = Debouncer(self._pressed_cb, self._released_cb)
self.root.bind('<KeyPress>', self.debouncer.pressed)
self.root.bind('<KeyRelease>', self.debouncer.released)
self.updateVideo()
# Power to the speaker and neopixels must be enabled using this pin
enable = DigitalInOut(POWER_PIN)
enable.direction = Direction.OUTPUT
enable.value = True
i2c = busio.I2C(board.SCL, board.SDA)
rtc = adafruit_ds3231.DS3231(i2c)
audio = audioio.AudioOut(board.A0)
strip = neopixel.NeoPixel(NEOPIXEL_PIN, NUM_PIXELS, brightness=1, auto_write=False)
strip.fill(0) # NeoPixels off ASAP on startup
strip.show()
switch = Debouncer(SWITCH_PIN, Pull.UP, 0.01)
# create a PWMOut object on Pin A2.
pwm = pulseio.PWMOut(SERVO_PIN, duty_cycle=2 ** 15, frequency=50)
# Create a servo object, my_servo.
servo = servo.ContinuousServo(pwm)
servo.throttle = 0.0
# Set the time for testing
# Once finished testing, the time can be set using the REPL using similar code
if TESTING:
# year, mon, date, hour, min, sec, wday, yday, isdst
t = time.struct_time((2018, 12, 31, 23, 58, 55, 1, -1, -1))
# you must set year, mon, date, hour, min, sec and weekday
# yearday is not supported, isdst can be set but we don't do anything with it at this time
def make_criket_signal_debouncer(pin): # create pin signal objects
ss.pin_mode(pin, ss.INPUT_PULLUP)
return Debouncer(lambda: ss.digital_read(pin))
# define and set up inputs to use the debouncer
def make_criket_signal_debouncer(pin): # create pin signal objects
ss.pin_mode(pin, ss.INPUT_PULLUP)
return Debouncer(lambda: ss.digital_read(pin))
# The IR sensors on are pullups, connect to ground to activate
clock_pin = make_criket_signal_debouncer(crickit.SIGNAL1)
voice_1_pin = make_criket_signal_debouncer(crickit.SIGNAL2)
voice_2_pin = make_criket_signal_debouncer(crickit.SIGNAL3)
voice_3_pin = make_criket_signal_debouncer(crickit.SIGNAL4)
voice_4_pin = make_criket_signal_debouncer(crickit.SIGNAL5)
# Crickit capacitive touch pads
touch_1_pad = Debouncer(lambda: crickit.touch_1.value)
touch_4_pad = Debouncer(lambda: crickit.touch_4.value)
touch_2_3_pad = Debouncer(
lambda: crickit.touch_2.value and crickit.touch_3.value)
crickit.continuous_servo_1.set_pulse_width_range(min_pulse=500, max_pulse=2500)
speed = -0.04 #this is clockwise/forward at a moderate tempo
def play_voice(vo):
mixer.stop_voice(vo)
mixer.play(samples[vo], voice=vo, loop=False)
while True:
clock_pin.update() #debouncer at work
import time import board import busio import digitalio import rotaryio import pulseio import adafruit_ssd1306 from adafruit_motor import servo from debouncer import Debouncer #-------------------------------------------------------------------------------- # Initialize Rotary encoder button = Debouncer(board.D12, digitalio.Pull.UP, 0.01) rotary_encoder = rotaryio.IncrementalEncoder(board.D10, board.D11) #-------------------------------------------------------------------------------- # Initialize I2C and OLED i2c = busio.I2C(board.SCL, board.SDA) oled = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c) oled.fill(0) oled.show() min_pulses = [500, 550, 600, 650, 700, 750, 800, 850, 900, 950, 1000] max_pulses = [2000, 2050, 2100, 2150, 2200, 2250, 2300, 2350, 2400, 2450, 2500] min_pulse_index = 10
def elaborate(self, platform):
m = Module()
# get clock domains
m.submodules.domains = ULX3SDomainGenerator()
led = [platform.request("led", count) for count in range(8)]
# help me debounce the button
button = platform.request("button_fire", 1)
debouncer = Debouncer()
m.submodules.debouncer = debouncer
m.d.comb += debouncer.btn.eq(button)
m.submodules.mem = mem = sdram_controller()
data_buffer = Signal(32)
address = 0x1205
data = 0x12345678
with m.FSM(domain="compute"):
with m.State("WRITE"):
m.d.comb += mem.address.eq(address)
m.d.comb += mem.data_in.eq(data)
m.d.comb += mem.req_write.eq(1)
m.next = "WRITE_COMPLETE"
with m.State("WRITE_COMPLETE"):
m.d.comb += mem.address.eq(address)
m.d.comb += mem.data_in.eq(data)
with m.If(mem.write_complete):
m.next = "READ"
with m.State("READ"):
m.d.comb += mem.address.eq(address)
m.d.comb += mem.req_read.eq(1)
m.next = "READ_COMPLETE"
with m.State("READ_COMPLETE"):
m.d.comb += mem.address.eq(address)
with m.If(mem.data_valid):
m.d.compute += data_buffer.eq(mem.data_out)
m.next = "BYTE_0_TO_LED"
with m.State(f"BYTE_0_TO_LED"):
m.d.comb += led_display_signal(m, led[0:8], data_buffer[0:8])
with m.If(debouncer.btn_up):
m.next = "BYTE_1_TO_LED"
with m.State(f"BYTE_1_TO_LED"):
m.d.comb += led_display_signal(m, led[0:8], data_buffer[8:16])
with m.If(debouncer.btn_up):
m.next = "BYTE_2_TO_LED"
with m.State(f"BYTE_2_TO_LED"):
m.d.comb += led_display_signal(m, led[0:8], data_buffer[16:24])
with m.If(debouncer.btn_up):
m.next = "BYTE_3_TO_LED"
with m.State(f"BYTE_3_TO_LED"):
m.d.comb += led_display_signal(m, led[0:8], data_buffer[24:32])
with m.If(debouncer.btn_up):
m.next = "WRITE"
return m
#!/usr/bin/python
import time
from debouncer import Debouncer
from gpio import PiGpio
# create an instance of the pi gpio driver.
pi_gpio = PiGpio()
# create an instance of the switch debouncer
db = Debouncer()
#
print('Debounce my Input Switch (Ctrl-C to stop)...')
while True:
switch_raw = pi_gpio.read_switch()
switch_debounced = db.debounce(switch_raw)
pi_gpio.set_led(1, (switch_raw == 1))
pi_gpio.set_led(2, (switch_debounced == 1))
print('SW RAW: {0} SW DEBOUNCED: {1}'.format(switch_raw, switch_debounced))
time.sleep(0.2)
#!/usr/bin/python
import time
from gpio import PiGpio
from bmp280 import PiBMP280
from debouncer import Debouncer
from flask import *
app = Flask(__name__)
pi_gpio = PiGpio()
db = Debouncer()
# create an array of my pi bmp280 sensor dictionaries
sensor = {"name": "bmp280", "addr": 0x76, "chip": PiBMP280(0x76), "data": {}}
(chip_id, chip_version) = sensor["chip"].readBMP280ID()
sensor["data"]["chip_id"] = chip_id
sensor["data"]["chip_version"] = chip_version
# ============================== Functions ====================================
def get_sensor_values():
(temperature, pressure) = sensor["chip"].readBMP280All()
sensor["data"]["temperature"] = {"reading": temperature, "units": "C"}
sensor["data"]["pressure"] = {"reading": pressure, "units": "hPa"}
return sensor["data"]
@app.route("/")
def index():
return render_template('index.html')
# create an instance of my pi gpio object class.
#pi_gpio = PiGpio()
#switch_state = pi_gpio.read_switch()
def elaborate(self, platform):
# VGA constants
pixel_f = self.timing.pixel_freq
hsync_front_porch = self.timing.h_front_porch
hsync_pulse_width = self.timing.h_sync_pulse
hsync_back_porch = self.timing.h_back_porch
vsync_front_porch = self.timing.v_front_porch
vsync_pulse_width = self.timing.v_sync_pulse
vsync_back_porch = self.timing.v_back_porch
# Pins
clk25 = platform.request("clk25")
ov7670 = platform.request("ov7670")
led = [platform.request("led", i) for i in range(8)]
leds = Cat([i.o for i in led])
led8_2 = platform.request("led8_2")
leds8_2 = Cat([led8_2.leds[i] for i in range(8)])
led8_3 = platform.request("led8_3")
leds8_3 = Cat([led8_3.leds[i] for i in range(8)])
leds16 = Cat(leds8_3, leds8_2)
btn1 = platform.request("button_fire", 0)
btn2 = platform.request("button_fire", 1)
up = platform.request("button_up", 0)
down = platform.request("button_down", 0)
pwr = platform.request("button_pwr", 0)
left = platform.request("button_left", 0)
right = platform.request("button_right", 0)
sw = Cat([platform.request("switch", i) for i in range(4)])
uart = platform.request("uart")
divisor = int(platform.default_clk_frequency // 460800)
esp32 = platform.request("esp32_spi")
csn = esp32.csn
sclk = esp32.sclk
copi = esp32.copi
cipo = esp32.cipo
m = Module()
# Clock generator.
m.domains.sync = cd_sync = ClockDomain("sync")
m.domains.pixel = cd_pixel = ClockDomain("pixel")
m.domains.shift = cd_shift = ClockDomain("shift")
m.submodules.ecp5pll = pll = ECP5PLL()
pll.register_clkin(clk25, platform.default_clk_frequency)
pll.create_clkout(cd_sync, platform.default_clk_frequency)
pll.create_clkout(cd_pixel, pixel_f)
pll.create_clkout(cd_shift, pixel_f * 5.0 * (1.0 if self.ddr else 2.0))
# Add CamRead submodule
camread = CamRead()
m.submodules.camread = camread
# Camera config
cam_x_res = 640
cam_y_res = 480
camconfig = CamConfig()
m.submodules.camconfig = camconfig
# Connect the camera pins and config and read modules
m.d.comb += [
ov7670.cam_RESET.eq(1),
ov7670.cam_PWON.eq(0),
ov7670.cam_XCLK.eq(clk25.i),
ov7670.cam_SIOC.eq(camconfig.sioc),
ov7670.cam_SIOD.eq(camconfig.siod),
camconfig.start.eq(btn1),
camread.p_data.eq(Cat([ov7670.cam_data[i] for i in range(8)])),
camread.href.eq(ov7670.cam_HREF),
camread.vsync.eq(ov7670.cam_VSYNC),
camread.p_clock.eq(ov7670.cam_PCLK)
]
# Create the uart
m.submodules.serial = serial = AsyncSerial(divisor=divisor, pins=uart)
# Frame buffer
x_res = cam_x_res // 2
y_res = cam_y_res
buffer = Memory(width=16, depth=x_res * y_res)
m.submodules.r = r = buffer.read_port()
m.submodules.w = w = buffer.write_port()
# Button debouncers
m.submodules.debup = debup = Debouncer()
m.submodules.debdown = debdown = Debouncer()
m.submodules.debosd = debosd = Debouncer()
m.submodules.debsel = debsel = Debouncer()
m.submodules.debsnap = debsnap = Debouncer()
m.submodules.debhist = debhist = Debouncer()
# Connect the buttons to debouncers
m.d.comb += [
debup.btn.eq(up),
debdown.btn.eq(down),
debosd.btn.eq(pwr),
debsel.btn.eq(right),
debsnap.btn.eq(left),
debhist.btn.eq(btn2)
]
# Image processing configuration registers
flip = Signal(2, reset=1) # Flip the image horizontally or vertically
mono_en = Signal(reset=0) # Convert to monochrome
invert = Signal(reset=0) # Invert monochrome image
thresh_en = Signal(reset=0) # Apply threshold to monochrome image
threshold = Signal(8, reset=0) # Threshold value
border = Signal(reset=0) # Use OSD to show a border
filt_en = Signal(reset=0) # Apply a color filter
l = Rgb565(reset=(18, 12, 6)) # Image filter low values
h = Rgb565(reset=(21, 22, 14)) # Image filter high values
grid = Signal(reset=0) # Use OSD to show a grid
hist_view = Signal(reset=1) # Switch to histogram view
hist_chan = Signal(2, reset=0) # The histogram channel to calculate
ccr = CC(reset=(0, 0, 18, 12, 16)) # Color control record
sharpness = Signal(
unsigned(4), reset=0
) # Used to select image convolution kernel for blur/sharpness
roi = Roi() # Region on interest
frozen = Signal(reset=1) # Freeze/unfreeze video display
sat_en = Signal()
saturation = Signal(5, reset=16)
# Control synchronization of camera with fifo
sync_fifo = Signal(reset=0)
# OSD control signals
osd_val = Signal(
4, reset=0) # Account for spurious start-up button pushes
osd_on = Signal(reset=1)
osd_sel = Signal(reset=1)
# Snapshot signals
snap = Signal(reset=0)
writing = Signal(reset=0)
written = Signal(reset=0)
byte = Signal(reset=0)
w_addr = Signal(18)
# Signals for calculating histogram
hist_val = Signal(6)
# Signals for displaying histogram
hist_color = Signal(8)
hbin = Signal(6, reset=0)
bin_cnt = Signal(5, reset=0)
old_x = Signal(10)
# Frame buffer coordinates
frame_x = Signal(10)
frame_y = Signal(9)
# VGA signals
vga_r = Signal(8)
vga_g = Signal(8)
vga_b = Signal(8)
vga_hsync = Signal()
vga_vsync = Signal()
vga_blank = Signal()
# Pixel from camera
pix = Rgb565()
# Fifo stream
m.submodules.fifo_stream = fs = FifoStream()
# SPI memory for remote configuration
m.submodules.spimem = spimem = SpiMem(addr_bits=32)
# Color Control
m.submodules.cc = cc = ColorControl()
# Image convolution
m.submodules.imc = imc = ImageConv()
# Statistics
m.submodules.stats = stats = Stats()
# Histogram
m.submodules.hist = hist = Hist()
# Filter
m.submodules.fil = fil = Filt()
# Monochrome
m.submodules.mon = mon = Mono()
# Saturation
m.submodules.sat = sat = Saturation()
# Sync the fifo with the camera
with m.If(~sync_fifo & (camread.col == cam_x_res - 1)
& (camread.row == cam_y_res - 1)):
m.d.sync += sync_fifo.eq(1)
with m.If(btn1):
m.d.sync += sync_fifo.eq(0)
# Set histogram value to the data for the chosen channel
with m.Switch(hist_chan):
with m.Case(0):
m.d.comb += hist_val.eq(cc.o.r)
with m.Case(1):
m.d.comb += hist_val.eq(cc.o.g)
with m.Case(2):
m.d.comb += hist_val.eq(cc.o.b)
with m.Case(3):
m.d.comb += hist_val.eq(mon.o_m)
# Copy camera data to Rgb565 record
m.d.comb += [
pix.r.eq(camread.pixel_data[11:]),
pix.g.eq(camread.pixel_data[5:11]),
pix.b.eq(camread.pixel_data[:5])
]
# Input image processing pipeline
pipeline = [
[
fs,
{
"i": pix, # Fifo stream
"i_valid": camread.pixel_valid & camread.col[0],
"i_ready": cc.o_ready,
"i_en": sync_fifo
},
True
],
[sat, {
"i_en": sat_en,
"i_saturation": saturation
}, True],
[cc, {
"i_cc": ccr
}, True], # Color control
[
fil,
{
"i_en": filt_en, # Color filter
"i_frame_done": fs.o_eof,
"i_l": l,
"i_h": h
},
True
],
[
mon,
{
"i_en": mono_en | invert
| thresh_en, # Monochrome, invert and threshold
"i_invert": invert,
"i_thresh": thresh_en,
"i_threshold": threshold
},
True
],
[
imc,
{
"i_ready": 1, # Image convolution
"i_reset": ~fs.i_en,
"i_sel": sharpness
},
True
],
[
stats,
{
"i":
cc.o, # Statistics
"i_valid":
cc.o_valid,
"i_avg_valid": (fs.o_x >= 32) & (fs.o_x < 288) &
(fs.o_y >= 112) & (fs.o_y < 368),
"i_frame_done":
fs.o_eof,
"i_x":
fs.o_x,
"i_y":
fs.o_y,
"i_roi":
roi
},
False
],
[
hist,
{
"i_p": hist_val, # Histogram
"i_valid": mon.o_valid,
"i_clear": fs.o_eof,
"i_x": fs.o_x,
"i_y": fs.o_y,
"i_roi": roi,
"i_bin": hbin
},
False
]
]
def execute(pl):
us = None # Upstream
for p in pl:
mod = p[0]
d = p[1]
st = p[2] # Stream or Sink
if st and us is not None:
m.d.comb += mod.i.eq(us.o)
m.d.comb += mod.i_valid.eq(us.o_valid)
m.d.comb += us.i_ready.eq(mod.o_ready)
if st:
us = mod
for k in d:
m.d.comb += mod.__dict__[k].eq(d[k])
execute(pipeline)
# Take a snapshot, freeze the camera, and write the framebuffer to the uart
# Note that this suspends video output
with m.If(debsnap.btn_down | (spimem.wr & (spimem.addr == 22))):
with m.If(frozen):
m.d.sync += frozen.eq(0)
with m.Else():
m.d.sync += [
snap.eq(1),
frozen.eq(0),
w_addr.eq(0),
written.eq(0),
byte.eq(0)
]
# Wait to end of frame after requesting snapshot, before start of writing to uart
with m.If(imc.o_eof & snap):
m.d.sync += [frozen.eq(1), snap.eq(0)]
with m.If(~written):
m.d.sync += writing.eq(1)
# Connect the uart
m.d.comb += [
serial.tx.data.eq(Mux(byte, r.data[8:], r.data[:8])),
serial.tx.ack.eq(writing)
]
# Write to the uart from frame buffer (affects video output)
with m.If(writing):
with m.If(w_addr == x_res * y_res):
m.d.sync += [writing.eq(0), written.eq(1)]
with m.Elif(serial.tx.ack & serial.tx.rdy):
m.d.sync += byte.eq(~byte)
with m.If(byte):
m.d.sync += w_addr.eq(w_addr + 1)
# Connect spimem
m.d.comb += [
spimem.csn.eq(~csn),
spimem.sclk.eq(sclk),
spimem.copi.eq(copi),
cipo.eq(spimem.cipo),
]
# Writable configuration registers
spi_wr_vals = Array([
ccr.brightness, ccr.redness, ccr.greenness, ccr.blueness, l.r, h.r,
l.g, h.g, l.b, h.b, sharpness, filt_en, border, mono_en, invert,
grid, hist_view, roi.x[1:], roi.y[1:], roi.w[1:], roi.h[1:],
roi.en, None, None, None, threshold, thresh_en, hist_chan, flip,
None, None, None, None, None, None, None, None, None, frozen, None,
None, sat_en, saturation, ccr.offset
])
with m.If(spimem.wr):
with m.Switch(spimem.addr):
for i in range(len(spi_wr_vals)):
if spi_wr_vals[i] is not None:
with m.Case(i):
m.d.sync += spi_wr_vals[i].eq(spimem.dout)
# Readable configuration registers
spi_rd_vals = Array([
ccr.brightness, ccr.redness, ccr.greenness, ccr.blueness, l.r, h.r,
l.g, h.g, l.b, h.b, sharpness, filt_en, border, mono_en, invert,
grid, hist_view, roi.x[1:], roi.y[1:], roi.w[1:], roi.h[1:],
roi.en, fil.o_nz[16:], fil.o_nz[8:16], fil.o_nz[:8], threshold,
thresh_en, hist_chan, flip, stats.o_min.r, stats.o_min.g,
stats.o_min.b, stats.o_max.r, stats.o_max.g, stats.o_max.b,
stats.o_avg.r, stats.o_avg.g, stats.o_avg.b, frozen, writing,
written, sat_en, saturation, ccr.offset
])
with m.If(spimem.rd):
with m.Switch(spimem.addr):
for i in range(len(spi_rd_vals)):
with m.Case(i):
m.d.sync += spimem.din.eq(spi_rd_vals[i])
# Add VGA generator
m.submodules.vga = vga = VGA(
resolution_x=self.timing.x,
hsync_front_porch=hsync_front_porch,
hsync_pulse=hsync_pulse_width,
hsync_back_porch=hsync_back_porch,
resolution_y=self.timing.y,
vsync_front_porch=vsync_front_porch,
vsync_pulse=vsync_pulse_width,
vsync_back_porch=vsync_back_porch,
bits_x=16, # Play around with the sizes because sometimes
bits_y=16 # a smaller/larger value will make it pass timing.
)
# Fetch histogram for display
m.d.sync += old_x.eq(vga.o_beam_x)
with m.If(vga.o_beam_x == 0):
m.d.sync += [hbin.eq(0), bin_cnt.eq(0)]
with m.Elif(vga.o_beam_x != old_x):
m.d.sync += bin_cnt.eq(bin_cnt + 1)
with m.If(bin_cnt == 19):
m.d.sync += [bin_cnt.eq(0), hbin.eq(hbin + 1)]
# Switch between camera and histogram view
with m.If(debhist.btn_down):
m.d.sync += hist_view.eq(~hist_view)
# Connect frame buffer, with optional x and y flip
m.d.comb += [
frame_x.eq(
Mux(flip[0], x_res - 1 - vga.o_beam_x[1:], vga.o_beam_x[1:])),
frame_y.eq(Mux(flip[1], y_res - 1 - vga.o_beam_y, vga.o_beam_y)),
w.en.eq(imc.o_valid & ~frozen),
w.addr.eq(imc.o_y * x_res + imc.o_x),
w.data.eq(imc.o.as_data()),
r.addr.eq(Mux(writing, w_addr, frame_y * x_res + frame_x))
]
# Apply the On-Screen Display (OSD)
m.submodules.osd = osd = OSD()
m.d.comb += [
osd.x.eq(vga.o_beam_x),
osd.y.eq(vga.o_beam_y),
hist_color.eq(Mux((479 - osd.y) < hist.o_val[8:], 0xff, 0x00)),
osd.i_r.eq(
Mux(hist_view,
Mux((hist_chan == 0) | (hist_chan == 3), hist_color, 0),
Cat(Const(0, unsigned(3)), r.data[11:16]))),
osd.i_g.eq(
Mux(hist_view,
Mux((hist_chan == 1) | (hist_chan == 3), hist_color, 0),
Cat(Const(0, unsigned(2)), r.data[5:11]))),
osd.i_b.eq(
Mux(hist_view,
Mux((hist_chan == 2) | (hist_chan == 3), hist_color, 0),
Cat(Const(0, unsigned(3)), r.data[0:5]))),
osd.on.eq(osd_on),
osd.osd_val.eq(osd_val),
osd.sel.eq(osd_sel),
osd.grid.eq(grid),
osd.border.eq(border),
osd.roi.eq(roi.en & ~hist_view),
osd.roi_x.eq(roi.x),
osd.roi_y.eq(roi.y),
osd.roi_w.eq(roi.w),
osd.roi_h.eq(roi.h)
]
# OSD control
dummy = Signal()
osd_vals = Array([
ccr.offset, ccr.brightness, ccr.redness, ccr.greenness,
ccr.blueness, sharpness, sat_en, saturation, mono_en, invert,
thresh_en, threshold, hist_chan,
Cat(border, grid), flip, filt_en
])
with m.If(debosd.btn_down):
m.d.sync += osd_on.eq(~osd_on)
with m.If(osd_on):
with m.If(debsel.btn_down):
m.d.sync += osd_sel.eq(~osd_sel)
with m.If(debup.btn_down):
with m.If(~osd_sel):
m.d.sync += osd_val.eq(osd_val - 1)
with m.Else():
with m.Switch(osd_val):
for i in range(len(osd_vals)):
with m.Case(i):
if (len(osd_vals[i]) == 1):
m.d.sync += osd_vals[i].eq(1)
else:
m.d.sync += osd_vals[i].eq(osd_vals[i] + 1)
with m.If(debdown.btn_down):
with m.If(~osd_sel):
m.d.sync += osd_val.eq(osd_val + 1)
with m.Else():
with m.Switch(osd_val):
for i in range(len(osd_vals)):
with m.Case(i):
if (len(osd_vals[i]) == 1):
m.d.sync += osd_vals[i].eq(0)
else:
m.d.sync += osd_vals[i].eq(osd_vals[i] - 1)
# Show configuration values on leds
with m.Switch(osd_val):
for i in range(len(osd_vals)):
with m.Case(i):
m.d.comb += leds.eq(osd_vals[i])
# Generate VGA signals
m.d.comb += [
vga.i_clk_en.eq(1),
vga.i_test_picture.eq(0),
vga.i_r.eq(osd.o_r),
vga.i_g.eq(osd.o_g),
vga.i_b.eq(osd.o_b),
vga_r.eq(vga.o_vga_r),
vga_g.eq(vga.o_vga_g),
vga_b.eq(vga.o_vga_b),
vga_hsync.eq(vga.o_vga_hsync),
vga_vsync.eq(vga.o_vga_vsync),
vga_blank.eq(vga.o_vga_blank),
]
# VGA to digital video converter.
tmds = [Signal(2) for i in range(4)]
m.submodules.vga2dvid = vga2dvid = VGA2DVID(
ddr=self.ddr, shift_clock_synchronizer=False)
m.d.comb += [
vga2dvid.i_red.eq(vga_r),
vga2dvid.i_green.eq(vga_g),
vga2dvid.i_blue.eq(vga_b),
vga2dvid.i_hsync.eq(vga_hsync),
vga2dvid.i_vsync.eq(vga_vsync),
vga2dvid.i_blank.eq(vga_blank),
tmds[3].eq(vga2dvid.o_clk),
tmds[2].eq(vga2dvid.o_red),
tmds[1].eq(vga2dvid.o_green),
tmds[0].eq(vga2dvid.o_blue),
]
# GPDI pins
if (self.ddr):
# Vendor specific DDR modules.
# Convert SDR 2-bit input to DDR clocked 1-bit output (single-ended)
# onboard GPDI.
m.submodules.ddr0_clock = Instance("ODDRX1F",
i_SCLK=ClockSignal("shift"),
i_RST=0b0,
i_D0=tmds[3][0],
i_D1=tmds[3][1],
o_Q=self.o_gpdi_dp[3])
m.submodules.ddr0_red = Instance("ODDRX1F",
i_SCLK=ClockSignal("shift"),
i_RST=0b0,
i_D0=tmds[2][0],
i_D1=tmds[2][1],
o_Q=self.o_gpdi_dp[2])
m.submodules.ddr0_green = Instance("ODDRX1F",
i_SCLK=ClockSignal("shift"),
i_RST=0b0,
i_D0=tmds[1][0],
i_D1=tmds[1][1],
o_Q=self.o_gpdi_dp[1])
m.submodules.ddr0_blue = Instance("ODDRX1F",
i_SCLK=ClockSignal("shift"),
i_RST=0b0,
i_D0=tmds[0][0],
i_D1=tmds[0][1],
o_Q=self.o_gpdi_dp[0])
else:
m.d.comb += [
self.o_gpdi_dp[3].eq(tmds[3][0]),
self.o_gpdi_dp[2].eq(tmds[2][0]),
self.o_gpdi_dp[1].eq(tmds[1][0]),
self.o_gpdi_dp[0].eq(tmds[0][0]),
]
return m
def run():
display = Display()
generator = Generator()
button_a = Debouncer(board.D9, digitalio.Pull.UP, 0.01)
button_b = Debouncer(board.D6, digitalio.Pull.UP, 0.01)
button_c = Debouncer(board.D5, digitalio.Pull.UP, 0.01)
encoder_button = Debouncer(board.D12, digitalio.Pull.UP, 0.01)
encoder = rotaryio.IncrementalEncoder(board.D10, board.D11)
current_position = None # current encoder position
change = 0 # the change in encoder position
delta = 0 # how much to change the frequency by
shape = shapes.SINE # the active waveform
frequency = 440 # the current frequency
display.update_shape(shape) # initialize the display contents
display.update_frequency(frequency)
while True:
encoder_button.update()
button_a.update()
button_b.update()
button_c.update()
current_position, change = get_encoder_change(encoder, current_position)
if change != 0:
if not button_a.value:
delta = change * 1000
elif not button_b.value:
delta = change * 100
elif not button_c.value:
delta = change * 10
else:
delta = change
frequency = change_frequency(frequency, delta)
if encoder_button.fell:
shape = change_shape(shape)
display.update_shape(shape)
display.update_frequency(frequency)
generator.update(shape, frequency)
def __init__(self):
self.app = tk.Tk()
self.debouncer = Debouncer(self._pressed_cb, self._released_cb)
self.app.bind('<KeyPress-Right>', self.debouncer.pressed)
self.app.bind('<KeyRelease-Right>', self.debouncer.released)
""" This module contains the app bootstrapping code and web routes """
import toml
from debouncer import Debouncer
from flask import Flask
from flask import abort, request
from discord import Embed
from raven.contrib.flask import Sentry
app = Flask(__name__)
config = toml.load("config.toml")
debouncer = Debouncer(config)
if config['sentry']:
sentry = Sentry(app=app, dsn=config['sentry'])
@app.route("/push", methods=['POST'])
def push():
""" Handles a POST on /push with Webhook data """
if request.headers['Authorization'] != config['token']:
abort(401)
if request.json is None:
abort(400)
embed = Embed.from_data(request.json)
debouncer.push(embed)
return ""
debouncer.start()
def elaborate(self, platform):
# VGA constants
pixel_f = self.timing.pixel_freq
hsync_front_porch = self.timing.h_front_porch
hsync_pulse_width = self.timing.h_sync_pulse
hsync_back_porch = self.timing.h_back_porch
vsync_front_porch = self.timing.v_front_porch
vsync_pulse_width = self.timing.v_sync_pulse
vsync_back_porch = self.timing.v_back_porch
# Pins
clk25 = platform.request("clk25")
ov7670 = platform.request("ov7670")
led = [platform.request("led", i) for i in range(8)]
leds = Cat([i.o for i in led])
led8_2 = platform.request("led8_2")
leds8_2 = Cat([led8_2.leds[i] for i in range(8)])
led8_3 = platform.request("led8_3")
leds8_3 = Cat([led8_3.leds[i] for i in range(8)])
leds16 = Cat(leds8_3, leds8_2)
btn1 = platform.request("button_fire", 0)
btn2 = platform.request("button_fire", 1)
up = platform.request("button_up", 0)
down = platform.request("button_down", 0)
pwr = platform.request("button_pwr", 0)
left = platform.request("button_left", 0)
right = platform.request("button_right", 0)
sw = Cat([platform.request("switch",i) for i in range(4)])
uart = platform.request("uart")
divisor = int(platform.default_clk_frequency // 460800)
esp32 = platform.request("esp32_spi")
csn = esp32.csn
sclk = esp32.sclk
copi = esp32.copi
cipo = esp32.cipo
m = Module()
# Clock generator.
m.domains.sync = cd_sync = ClockDomain("sync")
m.domains.pixel = cd_pixel = ClockDomain("pixel")
m.domains.shift = cd_shift = ClockDomain("shift")
m.submodules.ecp5pll = pll = ECP5PLL()
pll.register_clkin(clk25, platform.default_clk_frequency)
pll.create_clkout(cd_sync, platform.default_clk_frequency)
pll.create_clkout(cd_pixel, pixel_f)
pll.create_clkout(cd_shift, pixel_f * 5.0 * (1.0 if self.ddr else 2.0))
# Add CamRead submodule
camread = CamRead()
m.submodules.camread = camread
# Camera config
cam_x_res = 640
cam_y_res = 480
camconfig = CamConfig()
m.submodules.camconfig = camconfig
# Connect the camera pins and config and read modules
m.d.comb += [
ov7670.cam_RESET.eq(1),
ov7670.cam_PWON.eq(0),
ov7670.cam_XCLK.eq(clk25.i),
ov7670.cam_SIOC.eq(camconfig.sioc),
ov7670.cam_SIOD.eq(camconfig.siod),
camconfig.start.eq(btn1),
camread.p_data.eq(Cat([ov7670.cam_data[i] for i in range(8)])),
camread.href.eq(ov7670.cam_HREF),
camread.vsync.eq(ov7670.cam_VSYNC),
camread.p_clock.eq(ov7670.cam_PCLK)
]
# Create the uart
m.submodules.serial = serial = AsyncSerial(divisor=divisor, pins=uart)
# Input fifo
fifo_depth=1024
m.submodules.fifo = fifo = SyncFIFOBuffered(width=16,depth=fifo_depth)
# Frame buffer
x_res= cam_x_res // 2
y_res= cam_y_res
buffer = Memory(width=16, depth=x_res * y_res)
m.submodules.r = r = buffer.read_port()
m.submodules.w = w = buffer.write_port()
# Button debouncers
m.submodules.debup = debup = Debouncer()
m.submodules.debdown = debdown = Debouncer()
m.submodules.debosd = debosd = Debouncer()
m.submodules.debsel = debsel = Debouncer()
m.submodules.debsnap = debsnap = Debouncer()
m.submodules.debhist = debhist = Debouncer()
# Connect the buttons to debouncers
m.d.comb += [
debup.btn.eq(up),
debdown.btn.eq(down),
debosd.btn.eq(pwr),
debsel.btn.eq(right),
debsnap.btn.eq(left),
debhist.btn.eq(btn2)
]
# Image processing options
flip = Signal(2, reset=1)
mono = Signal(reset=0)
invert = Signal(reset=0)
gamma = Signal(reset=0)
border = Signal(reset=0)
filt = Signal(reset=0)
grid = Signal(reset=0)
histo = Signal(reset=1)
hbin = Signal(6, reset=0)
bin_cnt = Signal(5, reset=0)
thresh = Signal(reset=0)
threshold = Signal(8, reset=0)
hist_chan = Signal(2, reset=0)
ccc = CC(reset=(0,18,12,16))
sharpness = Signal(unsigned(4), reset=0)
osd_val = Signal(4, reset=0) # Account for spurious start-up button pushes
osd_on = Signal(reset=1)
osd_sel = Signal(reset=1)
snap = Signal(reset=0)
frozen = Signal(reset=1)
writing = Signal(reset=0)
written = Signal(reset=0)
byte = Signal(reset=0)
w_addr = Signal(18)
# Color filter
l = Rgb565(reset=(18,12,6)) # Initialised to red LEGO filter
h = Rgb565(reset=(21,22,14))
# Region of interest
roi = Roi()
# VGA signals
vga_r = Signal(8)
vga_g = Signal(8)
vga_b = Signal(8)
vga_hsync = Signal()
vga_vsync = Signal()
vga_blank = Signal()
# Fifo co-ordinates
f_x = Signal(9)
f_y = Signal(9)
f_frame_done = Signal()
# Pixel from fifo
pix = Rgb565()
# SPI memory for remote configuration
m.submodules.spimem = spimem = SpiMem(addr_bits=32)
# Color Control
m.submodules.cc = cc = ColorControl()
# Image convolution
m.submodules.imc = imc = ImageConv()
# Statistics
m.submodules.stats = stats = Stats()
# Histogram
m.submodules.hist = hist = Hist()
# Filter
m.submodules.fil = fil = Filt()
# Monochrome
m.submodules.mon = mon = Mono()
# Sync the fifo with the camera
sync_fifo = Signal(reset=0)
with m.If(~sync_fifo & ~fifo.r_rdy & (camread.col == cam_x_res - 1) & (camread.row == cam_y_res -1)):
m.d.sync += [
sync_fifo.eq(1),
f_x.eq(0),
f_y.eq(0)
]
with m.If(btn1):
m.d.sync += sync_fifo.eq(0)
# Connect the fifo
m.d.comb += [
fifo.w_en.eq(camread.pixel_valid & camread.col[0] & sync_fifo), # Only write every other pixel
fifo.w_data.eq(camread.pixel_data),
fifo.r_en.eq(fifo.r_rdy & ~imc.o_stall)
]
# Calculate fifo co-ordinates
m.d.sync += f_frame_done.eq(0)
with m.If(fifo.r_en & sync_fifo):
m.d.sync += f_x.eq(f_x + 1)
with m.If(f_x == x_res - 1):
m.d.sync += [
f_x.eq(0),
f_y.eq(f_y + 1)
]
with m.If(f_y == y_res - 1):
m.d.sync += [
f_y.eq(0),
f_frame_done.eq(1)
]
# Extract pixel from fifo data
m.d.comb += [
pix.r.eq(fifo.r_data[11:]),
pix.g.eq(fifo.r_data[5:11]),
pix.b.eq(fifo.r_data[:5])
]
# Connect color control
m.d.comb += [
cc.i.eq(pix),
cc.i_cc.eq(ccc)
]
# Calculate per-frame statistics, after applying color correction
m.d.comb += [
stats.i.eq(cc.o),
stats.i_valid.eq(fifo.r_rdy),
# This is not valid when a region of interest is active
stats.i_avg_valid.eq((f_x >= 32) & (f_x < 288) &
(f_y >= 112) & (f_y < 368)),
stats.i_frame_done.eq(f_frame_done),
stats.i_x.eq(f_x),
stats.i_y.eq(f_y),
stats.i_roi.eq(roi)
]
# Produce histogram, after applying color correction, and after monochrome, for monochrome histogram
with m.Switch(hist_chan):
with m.Case(0):
m.d.comb += hist.i_p.eq(cc.o.r)
with m.Case(1):
m.d.comb += hist.i_p.eq(cc.o.g)
with m.Case(2):
m.d.comb += hist.i_p.eq(cc.o.b)
with m.Case(3):
m.d.comb += hist.i_p.eq(mon.o_m)
m.d.comb += [
hist.i_valid.eq(fifo.r_rdy),
hist.i_clear.eq(f_frame_done),
hist.i_x.eq(f_x),
hist.i_y.eq(f_y),
hist.i_roi.eq(roi),
hist.i_bin.eq(hbin) # Used when displaying histogram
]
# Apply filter, after color correction
m.d.comb += [
fil.i.eq(cc.o),
fil.i_valid.eq(fifo.r_en),
fil.i_en.eq(filt),
fil.i_frame_done.eq(f_frame_done),
fil.i_l.eq(l),
fil.i_h.eq(h)
]
# Apply mono, after color correction and filter
m.d.comb += [
mon.i.eq(fil.o),
mon.i_en.eq(mono),
mon.i_invert.eq(invert),
mon.i_thresh.eq(thresh),
mon.i_threshold.eq(threshold)
]
# Apply image convolution, after other transformations
m.d.comb += [
imc.i.eq(mon.o),
imc.i_valid.eq(fifo.r_rdy),
imc.i_reset.eq(~sync_fifo),
# Select image convolution
imc.i_sel.eq(sharpness)
]
# Take a snapshot, freeze the camera, and write the framebuffer to the uart
# Note that this suspends video output
with m.If(debsnap.btn_down | (spimem.wr & (spimem.addr == 22))):
with m.If(frozen):
m.d.sync += frozen.eq(0)
with m.Else():
m.d.sync += [
snap.eq(1),
frozen.eq(0),
w_addr.eq(0),
written.eq(0),
byte.eq(0)
]
# Wait to end of frame after requesting snapshot, before start of writing to uart
with m.If(imc.o_frame_done & snap):
m.d.sync += [
frozen.eq(1),
snap.eq(0)
]
with m.If(~written):
m.d.sync += writing.eq(1)
# Connect the uart
m.d.comb += [
serial.tx.data.eq(Mux(byte, r.data[8:], r.data[:8])),
serial.tx.ack.eq(writing)
]
# Write to the uart from frame buffer (affects video output)
with m.If(writing):
with m.If(w_addr == x_res * y_res):
m.d.sync += [
writing.eq(0),
written.eq(1)
]
with m.Elif(serial.tx.ack & serial.tx.rdy):
m.d.sync += byte.eq(~byte)
with m.If(byte):
m.d.sync += w_addr.eq(w_addr+1)
# Connect spimem
m.d.comb += [
spimem.csn.eq(~csn),
spimem.sclk.eq(sclk),
spimem.copi.eq(copi),
cipo.eq(spimem.cipo),
]
# Writable configuration registers
spi_wr_vals = Array([ccc.brightness, ccc.redness, ccc.greenness, ccc.blueness, l.r, h.r, l.g, h.g, l.b, h.b,
sharpness, filt, border, mono, invert, grid, histo,
roi.x[1:], roi.y[1:], roi.w[1:], roi.h[1:], roi.en, None, None, None,
threshold, thresh, hist_chan, flip,
None, None, None, None, None, None, None, None, None,
frozen])
with m.If(spimem.wr):
with m.Switch(spimem.addr):
for i in range(len(spi_wr_vals)):
if spi_wr_vals[i] is not None:
with m.Case(i):
m.d.sync += spi_wr_vals[i].eq(spimem.dout)
# Readable configuration registers
spi_rd_vals = Array([ccc.brightness, ccc.redness, ccc.greenness, ccc.blueness, l.r, h.r, l.g, h.g, l.b, h.b,
sharpness, filt, border, mono, invert, grid, histo,
roi.x[1:], roi.y[1:], roi.w[1:], roi.h[1:], roi.en, fil.o_nz[16:], fil.o_nz[8:16], fil.o_nz[:8],
threshold, thresh, hist_chan, flip,
stats.o_min.r, stats.o_min.g, stats.o_min.b,
stats.o_max.r, stats.o_max.g, stats.o_max.b,
stats.o_avg.r, stats.o_avg.g, stats.o_avg.b,
frozen, writing, written])
with m.If(spimem.rd):
with m.Switch(spimem.addr):
for i in range(len(spi_rd_vals)):
with m.Case(i):
m.d.sync += spimem.din.eq(spi_rd_vals[i])
# Add VGA generator
m.submodules.vga = vga = VGA(
resolution_x = self.timing.x,
hsync_front_porch = hsync_front_porch,
hsync_pulse = hsync_pulse_width,
hsync_back_porch = hsync_back_porch,
resolution_y = self.timing.y,
vsync_front_porch = vsync_front_porch,
vsync_pulse = vsync_pulse_width,
vsync_back_porch = vsync_back_porch,
bits_x = 16, # Play around with the sizes because sometimes
bits_y = 16 # a smaller/larger value will make it pass timing.
)
# Fetch histogram for display
old_x = Signal(10)
m.d.sync += old_x.eq(vga.o_beam_x)
with m.If(vga.o_beam_x == 0):
m.d.sync += [
hbin.eq(0),
bin_cnt.eq(0)
]
with m.Elif(vga.o_beam_x != old_x):
m.d.sync += bin_cnt.eq(bin_cnt+1)
with m.If(bin_cnt == 19):
m.d.sync += [
bin_cnt.eq(0),
hbin.eq(hbin+1)
]
# Switch between camera and histogram view
with m.If(debhist.btn_down):
m.d.sync += histo.eq(~histo)
# Connect frame buffer, with optional x and y flip
x = Signal(10)
y = Signal(9)
m.d.comb += [
w.en.eq(imc.o_valid & ~frozen),
w.addr.eq(imc.o_y * x_res + imc.o_x),
w.data.eq(Cat(imc.o.b, imc.o.g, imc.o.r)),
y.eq(Mux(flip[1], y_res - 1 - vga.o_beam_y, vga.o_beam_y)),
x.eq(Mux(flip[0], x_res - 1 - vga.o_beam_x[1:], vga.o_beam_x[1:])),
r.addr.eq(Mux(writing, w_addr, y * x_res + x))
]
# Apply the On-Screen Display (OSD)
m.submodules.osd = osd = OSD()
hist_col = Signal(8)
m.d.comb += [
osd.x.eq(vga.o_beam_x),
osd.y.eq(vga.o_beam_y),
hist_col.eq(Mux((479 - osd.y) < hist.o_val[8:], 0xff, 0x00)),
osd.i_r.eq(Mux(histo, Mux((hist_chan == 0) | (hist_chan == 3), hist_col, 0), Cat(Const(0, unsigned(3)), r.data[11:16]))),
osd.i_g.eq(Mux(histo, Mux((hist_chan == 1) | (hist_chan == 3), hist_col, 0), Cat(Const(0, unsigned(2)), r.data[5:11]))),
osd.i_b.eq(Mux(histo, Mux((hist_chan == 2) | (hist_chan == 3), hist_col, 0), Cat(Const(0, unsigned(3)), r.data[0:5]))),
osd.on.eq(osd_on),
osd.osd_val.eq(osd_val),
osd.sel.eq(osd_sel),
osd.grid.eq(grid),
osd.border.eq(border),
osd.roi.eq(roi.en & ~histo),
osd.roi_x.eq(roi.x),
osd.roi_y.eq(roi.y),
osd.roi_w.eq(roi.w),
osd.roi_h.eq(roi.h)
]
# OSD control
osd_vals = Array([ccc.brightness, ccc.redness, ccc.greenness, ccc.blueness, mono, flip[0], flip[1],
border, sharpness, invert, grid, filt])
with m.If(debosd.btn_down):
m.d.sync += osd_on.eq(~osd_on)
with m.If(osd_on):
with m.If(debsel.btn_down):
m.d.sync += osd_sel.eq(~osd_sel)
with m.If(debup.btn_down):
with m.If(~osd_sel):
m.d.sync += osd_val.eq(Mux(osd_val == 0, 11, osd_val-1))
with m.Else():
with m.Switch(osd_val):
for i in range(len(osd_vals)):
with m.Case(i):
if (len(osd_vals[i]) == 1):
m.d.sync += osd_vals[i].eq(1)
else:
m.d.sync += osd_vals[i].eq(osd_vals[i]+1)
with m.If(debdown.btn_down):
with m.If(~osd_sel):
m.d.sync += osd_val.eq(Mux(osd_val == 11, 0, osd_val+1))
with m.Else():
with m.Switch(osd_val):
for i in range(len(osd_vals)):
with m.Case(i):
if (len(osd_vals[i]) == 1):
m.d.sync += osd_vals[i].eq(0)
else:
m.d.sync += osd_vals[i].eq(osd_vals[i]-1)
# Show configuration values on leds
with m.Switch(osd_val):
for i in range(len(osd_vals)):
with m.Case(i):
m.d.comb += leds.eq(osd_vals[i])
# Generate VGA signals
m.d.comb += [
vga.i_clk_en.eq(1),
vga.i_test_picture.eq(0),
vga.i_r.eq(osd.o_r),
vga.i_g.eq(osd.o_g),
vga.i_b.eq(osd.o_b),
vga_r.eq(vga.o_vga_r),
vga_g.eq(vga.o_vga_g),
vga_b.eq(vga.o_vga_b),
vga_hsync.eq(vga.o_vga_hsync),
vga_vsync.eq(vga.o_vga_vsync),
vga_blank.eq(vga.o_vga_blank),
]
# VGA to digital video converter.
tmds = [Signal(2) for i in range(4)]
m.submodules.vga2dvid = vga2dvid = VGA2DVID(ddr=self.ddr, shift_clock_synchronizer=False)
m.d.comb += [
vga2dvid.i_red.eq(vga_r),
vga2dvid.i_green.eq(vga_g),
vga2dvid.i_blue.eq(vga_b),
vga2dvid.i_hsync.eq(vga_hsync),
vga2dvid.i_vsync.eq(vga_vsync),
vga2dvid.i_blank.eq(vga_blank),
tmds[3].eq(vga2dvid.o_clk),
tmds[2].eq(vga2dvid.o_red),
tmds[1].eq(vga2dvid.o_green),
tmds[0].eq(vga2dvid.o_blue),
]
# GPDI pins
if (self.ddr):
# Vendor specific DDR modules.
# Convert SDR 2-bit input to DDR clocked 1-bit output (single-ended)
# onboard GPDI.
m.submodules.ddr0_clock = Instance("ODDRX1F",
i_SCLK = ClockSignal("shift"),
i_RST = 0b0,
i_D0 = tmds[3][0],
i_D1 = tmds[3][1],
o_Q = self.o_gpdi_dp[3])
m.submodules.ddr0_red = Instance("ODDRX1F",
i_SCLK = ClockSignal("shift"),
i_RST = 0b0,
i_D0 = tmds[2][0],
i_D1 = tmds[2][1],
o_Q = self.o_gpdi_dp[2])
m.submodules.ddr0_green = Instance("ODDRX1F",
i_SCLK = ClockSignal("shift"),
i_RST = 0b0,
i_D0 = tmds[1][0],
i_D1 = tmds[1][1],
o_Q = self.o_gpdi_dp[1])
m.submodules.ddr0_blue = Instance("ODDRX1F",
i_SCLK = ClockSignal("shift"),
i_RST = 0b0,
i_D0 = tmds[0][0],
i_D1 = tmds[0][1],
o_Q = self.o_gpdi_dp[0])
else:
m.d.comb += [
self.o_gpdi_dp[3].eq(tmds[3][0]),
self.o_gpdi_dp[2].eq(tmds[2][0]),
self.o_gpdi_dp[1].eq(tmds[1][0]),
self.o_gpdi_dp[0].eq(tmds[0][0]),
]
return m