From 520a5b0291d8557cbe185de0b3e6580449679337 Mon Sep 17 00:00:00 2001
From: "michael.divia" <michael.divia@etu.hesge.ch>
Date: Fri, 21 Jun 2024 12:03:37 +0200
Subject: [PATCH] Scolling Text by Framebuf
---
1 - Code/hl3.py | 106 +++++++++++++----------------------
1 - Code/main.py | 14 +----
2 - Reports/Michael_Divia.md | 6 +-
3 files changed, 47 insertions(+), 79 deletions(-)
diff --git a/1 - Code/hl3.py b/1 - Code/hl3.py
index 9d23fbd..1fbe32d 100644
--- a/1 - Code/hl3.py
+++ b/1 - Code/hl3.py
@@ -2,6 +2,7 @@ from machine import Pin, UART
from neopixel import NeoPixel
from rp2 import PIO, StateMachine, asm_pio
import utime
+import framebuf
nb_line = 8
nb_row = 8
@@ -236,35 +237,30 @@ class Matrix:
return hex_Color
-def show_text(text, Color, speed):
+def rgb_to_rgb565(r, g, b):
+ return ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3)
- # Clear the screen
- Matrix.clear(0)
+def rgb565_to_rgb(color):
+ r = (color >> 8) & 0xF8
+ g = (color >> 3) & 0xFC
+ b = (color << 3) & 0xF8
+ return (r, g, b)
- width = 5
- height = 8
- h_offset = 8
- spacewidth = 2
+def framebuffer_to_neopixel(fb):
+ for y in range(nb_line):
+ for x in range(nb_row):
+ color = fb.pixel(x, y)
+ np[y * nb_row + x] = rgb565_to_rgb(color)
+ np.write()
- def printColumn(step, xpos, text):
- if step < h_offset or step >= h_offset + len(text) * (width + spacewidth):
- char = ' '
- col = 0
- else:
- step -= h_offset
- char = text[step // (width + spacewidth)]
- col = step % (width + spacewidth)
- if char not in __TEXT_DICT:
- char = ' '
- colbit = 1 << col
- charMap = __TEXT_DICT[char]
- for line in range(height):
- Colored = len(charMap) > line and charMap[line] & colbit
- Matrix.set_led(xpos, line, Color if Colored else 0)
-
- for step in range(h_offset + len(text) * (width + spacewidth) + 1):
- for i in range(nb_row):
- printColumn(step + i, i, text)
+def show_text(text, color, speed=0.1):
+ color_rgb565 = rgb_to_rgb565(*color)
+ fb = framebuf.FrameBuffer(bytearray(nb_line * nb_row * 2), nb_row, nb_line, framebuf.RGB565)
+
+ for offset in range(len(text) * 8):
+ fb.fill(0)
+ fb.text(text, -offset, 0, color_rgb565)
+ framebuffer_to_neopixel(fb)
utime.sleep(speed)
class Uart:
@@ -390,47 +386,23 @@ def christmas():
Color = 0x3
prime1=439
prime2=17005013
-
- masque_blanc= 0x0f0f0f # setup LEDs intensity
- masque_rouge=0x0f0000
- masque_bleu=0x00000f
period = .01
# Balles glissantes
for r in range(100):
+ temp = [[2,5],[1,6],[0,7],[0,7],[0,7],[0,7],[1,6],[2,5]]
Color = (Color * prime1) % prime2
- # horizontale et verticale
- if Color&4 == 4:
- for i in range(8):
- temp = (4-int(abs(4.5-i))+1)
- temp = max(3-2*int(temp/2),0)
- for j in range(temp,8-temp):
- if (Color&3 == 0):
- diagonal=min(int((i+j)),7)
- elif (Color&3 == 1):
- Matrix.set_led(i,j, Color&masque_blanc)
- elif (Color&3 == 2):
- Matrix.set_led(7-i,j, Color&masque_blanc)
- else:
- Matrix.set_led(j,7-i, Color&masque_blanc)
- utime.sleep(period)
-
- # Diagonale
- else:
- for k in range(2,9):
- for i in range(k+1):
- if (4.5-(k-i))**2+(4.5-i)**2 < 5**2:
- if (Color&3 == 0):
- Matrix.set_led((k-i),(i), Color&masque_blanc)
- elif (Color&3 == 1):
- Matrix.set_led((i),(k-i), Color&masque_blanc)
- elif (Color&3 == 2):
- Matrix.set_led((7-(k-i)),(i), Color&masque_blanc)
- else:
- Matrix.set_led((i),7-(k-i), Color&masque_blanc)
- utime.sleep(period)
-
+ # Horizontale et Verticale
+ for i in range(8):
+ for j in range(temp[i][0],temp[i][-1]+1):
+ if (Color&3 == 1):
+ Matrix.set_led(i,j, Color)
+ elif (Color&3 == 2):
+ Matrix.set_led(7-i,j, Color)
+ else:
+ Matrix.set_led(j,7-i, Color)
+ utime.sleep(period)
# Clear the Matrix
Matrix.clear(0)
@@ -441,7 +413,7 @@ def christmas():
Color = (Color * prime1) % prime2
for i in range(8):
for j in range(8):
- Matrix.set_led(j,i,Color*(i+1)*(j+11) & masque_blanc)
+ Matrix.set_led(j,i,Color*(i+1)*(j+11))
utime.sleep(period)
Matrix.clear(0)
utime.sleep(period/10)
@@ -452,7 +424,7 @@ def christmas():
Color = (Color * prime1) % prime2
for i in range(8):
for j in range(8):
- Matrix.set_led(j,i,Color*(i+1)*(j+11) >> 4 & masque_bleu)
+ Matrix.set_led(j,i,Color*(i+1)*(j+11) >> 4)
utime.sleep(period)
# Couleurs aleatoire
@@ -461,7 +433,7 @@ def christmas():
Color = (Color * prime1) % prime2
for i in range(8):
for j in range(8):
- Matrix.set_led(j,i,Color*(i+1)*(j+11) & masque_blanc)
+ Matrix.set_led(j,i,Color*(i+1)*(j+11))
utime.sleep(period)
# Rouge aléatoire
@@ -470,7 +442,7 @@ def christmas():
Color = (Color * prime1) % prime2
for i in range(8):
for j in range(8):
- Matrix.set_led(j,i,Color*(i+1)*(j+11) & masque_rouge)
+ Matrix.set_led(j,i,Color*(i+1)*(j+11))
utime.sleep(period)
# Lignes
@@ -478,10 +450,10 @@ def christmas():
for r in range(20):
Color = (Color * prime1) % prime2
for i in range(8):
- Matrix.set_led(Color%8,i,Color*(i+1)*(j+11) & masque_blanc)
+ Matrix.set_led(Color%8,i,Color*(i+1)*(j+11))
utime.sleep(period)
Matrix.clear(0)
for i in range(8):
- Matrix.set_led(i,Color%8,Color*(i+1)*(j+11) & masque_blanc)
+ Matrix.set_led(i,Color%8,Color*(i+1)*(j+11))
utime.sleep(period)
Matrix.clear(0)
diff --git a/1 - Code/main.py b/1 - Code/main.py
index bf68483..275030d 100644
--- a/1 - Code/main.py
+++ b/1 - Code/main.py
@@ -1,14 +1,6 @@
from hl3 import *
-#uart_north = Uart(Direction.NORTH)
-#uart_south = Uart(Direction.SOUTH)
-uart_east = Uart(Direction.EAST, 9600)
-#uart_west = Uart(Direction.WEST)
-
-
while True:
- #uart_east.sendline("Pipo")
- received_data = uart_east.receiveline()
- #received_data = uart_north.receiveline()
- print(f"Data received: {received_data}")
- #utime.sleep(0.1)
+ show_text("PiPo", Color.RED, 0.03)
+ utime.sleep(0.1)
+ christmas()
diff --git a/2 - Reports/Michael_Divia.md b/2 - Reports/Michael_Divia.md
index 54be197..29bb7e3 100644
--- a/2 - Reports/Michael_Divia.md
+++ b/2 - Reports/Michael_Divia.md
@@ -61,6 +61,10 @@ Nous avons ensuite enchaîné avec la communication `UART` via les `GPIO`, pour
Design et impression d'une boîte.
+## Vendredi 21 Juin 2024
+
+J'ai modifié la fonction d'affichage et de scrolling du texte afin d'utiliser un `FrameBuffer`. Cela accélère considérablement la vitesse de scolling.
+
# Creators
**Michael Divià**
@@ -71,4 +75,4 @@ Design et impression d'une boîte.
Code and documentation copyright 2024 the authors. Code released under the [MIT License](https://gitedu.hesge.ch/michael.divia/hepialight3-pico/-/blob/94f8f25ac736165111a03ff964f1538a65eb40e3/LICENSE).
-Enjoy :metal:
\ No newline at end of file
+Enjoy :metal:
--
GitLab