def run(self):
""" run is called by the thread and calculates the pwm images """
global image_current, image_pwm_current, image_buffer, image_pwm_buffer
while self.running:
# check if the calculation is too slow
if (image_current - IMAGE_BUFFER_LENGTH) >= image_pwm_current:
# maybe raise an exception?
print 'Buffer underrun!'
if image_pwm_current < image_current:
index = (image_pwm_current+1) % IMAGE_BUFFER_LENGTH
for i in range(led.BOARDS):
fastpwm.pwm_2bit_c(image_buffer[index], i, image_pwm_buffer[i][index])
# reverse buffer
temp = led.PWM_IMAGE_SIZE/led.BOARDS/2
image_pwm_buffer_r[i][index] = image_pwm_buffer[i][index] #[:temp] + image_pwm_buffer[i][index][temp:]
image_pwm_current += 1
else:
time.sleep(0.01)
#!/usr/bin/env python
import led
import image
from cython import fastpwm
boards = led.init(find_all=True)
buf = str(bytearray(led.PWM_IMAGE_SIZE/2))
#fastpwm.pwm_2bit_c(str(bytearray([0x0C,0x30,0xC3]*(64*344/4))), 0, buf)
red = str(bytearray(([0]*16+[0]*16+[0]*16)*344))
green = str(bytearray(([0]*16+[0]*16+[0]*16)*344))
blue = str(bytearray(([0]*16+[0]*16+[0]*16)*344))
blue2 = str(bytearray(([0]*16+[0]*16+[255]*16)*344))
fastpwm.pwm_2bit_c(str(bytearray([0xC3,0x0C,0x30]*(64*344/4))), 0, red)
fastpwm.pwm_2bit_c(str(bytearray([0x30,0xC3,0x0C]*(64*344/4))), 0, green)
fastpwm.pwm_2bit_c(str(bytearray([0x0C,0x30,0xC3]*(64*344/4))), 0, blue)
"""
images = [
buf, buf, buf, buf, buf, buf, buf, buf,
[0]*(led.PWM_IMAGE_SIZE/2),
[0]*(led.PWM_IMAGE_SIZE/2),
[0]*(led.PWM_IMAGE_SIZE/2),
[0]*(led.PWM_IMAGE_SIZE/2),
[0]*(led.PWM_IMAGE_SIZE/2),
[0]*(led.PWM_IMAGE_SIZE/2),
[0]*(led.PWM_IMAGE_SIZE/2),
[0]*(led.PWM_IMAGE_SIZE/2),
#!/usr/bin/env python
import led
import time
from cython import fastpwm
dev = led.init()
led.run(dev, [255] + [0]*63, timeout=2000)
data = str(bytearray(led.PWM_IMAGE_SIZE/2))
img = bytearray(led.PWM_IMAGE_SIZE/2)
for col in range(3):
for j in range(16):
for i, pixel in enumerate(img):
img[i] = 0;
for i, pixel in enumerate(img):
if i % 48 == j*3:
img[i] = 0x0C
img[i+1] = 0x30;
img[i+2] = 0xC3;
print list(img[:48])
fastpwm.pwm_2bit_c(str(img), 0, data)
print list(bytearray(data[:48]))
led.run(dev, data, timeout=5000)
time.sleep(0.1)
