Nouveau driver ePaper Display de Waveshare supportant les Image de la librairie PIL
Beaucoup plus facile à utiliser pour de l'affichage riche
This commit is contained in:
Pierrick C
parent
e95f6eb57a
commit
61c4296af6
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@ -5,3 +5,4 @@ raspberry/pictures/*
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boitier/old*
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.directory
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*__pycache__*
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test*
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@ -20,7 +20,7 @@
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#define MQTT_USERNAME "arofarn"
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#define MQTT_KEY "WaKaW9XMGUZ3rRJD"
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#define MQTT_ID "huzzah0"
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#define MQTT_PUB_INTERVAL 10000
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#define MQTT_PUB_INTERVAL 15000 // milliseconds
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/************************* Time and NTP Setup *********************************/
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@ -33,7 +33,7 @@
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#define MODE_STATION true
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#define DEFAULT_ALTITUDE 140.0
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#define DEFAULT_MSLP 1013.25 //Atmospheric Pressure at Sea-Level
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#define DEFAULT_MSLP 1013.25 //Mean Atmospheric Pressure at Mean Sea-Level
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// Create an ESP8266 WiFiClient class to connect to the MQTT server.
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WiFiClient wifi_client;
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@ -152,21 +152,11 @@ void loop() {
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date_str = NTP.getTimeDateString();
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date_str.toCharArray(date_val,20);
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// Now we can publish stuff!
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Serial.print(F("Sending date and time "));
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Serial.print(date_val);
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Serial.print("...");
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if (! mqtt_client.publish("huzzah0/NTP/date", date_val, true, 2)) {
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Serial.println(F("Failed"));
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} else {
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Serial.println(F("OK!"));
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}
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// Now we can publish stuff!
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Serial.print(F("Sending pressure value "));
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Serial.print(pressure_val);
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Serial.print("...");
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val2json(pressure_val, date_str, "hPa", "PA").toCharArray(tosend, 120);
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val2json(pressure_val, date_str, "hPa", "AP").toCharArray(tosend, 120);
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if (! mqtt_client.publish("huzzah0/AdaBME280_1/pressure", tosend, true, 2) ) {
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Serial.println(F("Failed"));
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} else {
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@ -182,7 +172,7 @@ void loop() {
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Serial.print(F("Sending sea-level pressure value "));
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Serial.print(atm_press_sea_level);
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Serial.print("...");
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val2json(atm_press_sea_level, date_str, "hPa", "SLPA").toCharArray(tosend, 120);
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val2json(atm_press_sea_level, date_str, "hPa", "MSLP").toCharArray(tosend, 120);
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if (! mqtt_client.publish("huzzah0/AdaBME280_1/sea_level_pressure", tosend, true, 2) ) {
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Serial.println(F("Failed"));
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} else {
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@ -202,7 +192,7 @@ void loop() {
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Serial.print(F("Sending humity value "));
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Serial.print(humidity_val);
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Serial.print("...");
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val2json(humidity_val, date_str, "%", "HR").toCharArray(tosend, 120);
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val2json(humidity_val, date_str, "%", "RH").toCharArray(tosend, 120);
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if (! mqtt_client.publish("huzzah0/AdaBME280_1/humidity", tosend, true, 2)) {
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Serial.println(F("Failed"));
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} else {
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@ -213,12 +203,22 @@ void loop() {
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Serial.print(F("Sending temperature value "));
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Serial.print(temperature_val);
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Serial.print("...");
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val2json(temperature_val, date_str, "degC", "TA").toCharArray(tosend, 120);
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val2json(temperature_val, date_str, "degC", "AT").toCharArray(tosend, 120);
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if (! mqtt_client.publish("huzzah0/AdaBME280_1/temperature", tosend, true, 2)) {
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Serial.println(F("Failed"));
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} else {
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Serial.println(F("OK!"));
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}
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// __LAST__ thing to send : Date and Time
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Serial.print(F("Sending date and time "));
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Serial.print(date_val);
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Serial.print("...");
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if (! mqtt_client.publish("huzzah0/NTP/date", date_val, true, 2)) {
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Serial.println(F("Failed"));
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} else {
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Serial.println(F("OK!"));
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}
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}
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delay(10);
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@ -32,5 +32,11 @@ photo_dir=/home/pi/Cameteo/photos/
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photo_name=test_%%Y%%m%%d_%%H%%M%%S
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photo_format=jpeg
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[EPD]
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epd_font_file=/usr/share/fonts/truetype/freefont/FreeMono.ttf
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epd_bold_font_file=/usr/share/fonts/truetype/freefont/FreeMonoBold.ttf
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epd_italic_font_file=/usr/share/fonts/truetype/freefont/FreeMonoOblique.ttf
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epd_rotate = 1
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[MISC]
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TimeZone=2
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@ -71,4 +71,10 @@ photo_extensions = {'jpeg': 'jpg',
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'bmp': 'bmp',
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'yuv': 'yuv',
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'rgb': 'rgb',
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'rgba': 'rgba'}
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'rgba': 'rgba'}
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#epaper display
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epd_font_file = parser['EPD'].get('epd_font_file' , fallback='/usr/share/fonts/truetype/freefont/FreeMono.ttf')
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epd_bold_font_file = parser['EPD'].get('epd_bold_font_file' , fallback='/usr/share/fonts/truetype/freefont/FreeMonoBold.ttf')
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epd_italic_font_file = parser['EPD'].get('epd_italic_font_file' , fallback='/usr/share/fonts/truetype/freefont/FreeMonoOblique.ttf')
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epd_rotate = min(int(parser['EPD'].get('epd_rotate', fallback=0)), 1)
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@ -29,7 +29,7 @@ from PIL import Image
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import RPi.GPIO as GPIO
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# Display resolution
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EPD_WIDTH = 122
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EPD_WIDTH = 128
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EPD_HEIGHT = 250
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# EPD2IN13 commands
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@ -127,7 +127,7 @@ class EPD:
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def wait_until_idle(self):
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while(self.digital_read(self.busy_pin) == 1): # 0: idle, 1: busy
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self.delay_ms(100)
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self.delay_ms(20)
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##
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# @brief: module reset.
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# often used to awaken the module in deep sleep,
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@ -214,7 +214,7 @@ class EPD:
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self.set_memory_pointer(0, 0)
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self.send_command(WRITE_RAM)
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# send the color data
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for i in range(0, self.width / 8 * self.height):
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for i in range(0, int(self.width / 8 * self.height)):
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self.send_data(color)
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##
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@ -11,13 +11,24 @@ Display data from MQTT broker on ePaper screen
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from cameteo_conf import *
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import paho.mqtt.client as mqtt
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from spidev import SpiDev
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import EPD_driver
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import time
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import json
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import netifaces
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import netifaces, socket
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import epd2in13
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from PIL import Image
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from PIL import ImageDraw
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from PIL import ImageFont
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mqtt_client_id = "epaper_display"
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def update_epd():
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#rotation de l'image de 90° + 180° si le paramètre epd_rotate est différent de 0
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# la translation permet de rattraper un petit décalage en cas de rotation de 90+180°
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screen = image.rotate(90 + (epd_rotate * 180), expand=True, translate=(-6*epd_rotate, 0))
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#Mis en memoire de l'image à afficher et affichage de l'image
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epd.set_frame_memory(screen, 0, 0)
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epd.display_frame()
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#############
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# CALLBACKS #
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#############
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@ -51,61 +62,108 @@ def on_message(client, userdata, msg):
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val['value'] = float('nan')
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#Gestion du symbole des degrés parfois difficile pour certaines sources
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#val['unit'] = val['unit'].replace('deg', '°')
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val['unit'] = val['unit'].replace('deg', '°')
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#Affichage des données
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coord_type = { 'TA' : 33,
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'HR' : 49,
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'SLPA' : 65
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}
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coord_type = { 'AT' : (2, 50),
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'RH' : (127, 50),
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'MSLP' : (2, 66),
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'ALTI' : (127, 66),
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}
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if val['type'] in coord_type:
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disp.Dis_String(125, coord_type[val['type']], "{} {} ".format(val['value'], val['unit']), 16)
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#erase former text
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draw.rectangle(coord_type[val['type']] + (coord_type[val['type']][0] + 122, coord_type[val['type']][1] + 14), fill=255)
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#draw new values
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draw.text(coord_type[val['type']], "{:8.1f} {} ".format(val['value'], val['unit']), font=font14, fill=0)
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# #Update the display
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# screen = image.rotate(90, expand=True)
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# epd.set_frame_memory(screen, 0, 0)
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# epd.display_frame()
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#Callback managing date and time from MQTT broker
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def on_message_date(client, userdata, msg):
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payload = msg.payload.decode()
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print("Date : " + payload)
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try:
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d = datetime.strptime(payload, "%H:%M:%S %d/%m/%Y")
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disp.Dis_String(0, 17, datetime.strftime(d + TimeZone.utcoffset(None), "%d/%m/%Y %H:%M:%S"), 16)
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#Mise en forme de la date et heure reçu pour fuseau horaire configuré
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dt_texte = datetime.strftime(datetime.strptime(payload, "%H:%M:%S %d/%m/%Y") + TimeZone.utcoffset(None), "%d/%m/%Y %H:%M:%S")
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except:
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disp.Dis_String(0, 17, payload, 16)
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dt_texte = payload
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#Affichage du résultat
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draw.rectangle((0, 34, epd2in13.EPD_HEIGHT, 48), fill=255)
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draw.text((0, 34), dt_texte, font=font14, fill=0)
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update_epd()
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#Update display with info from camera (camera shooting new photo or name of the
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# last photo)
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def on_message_camera(client, userdata, msg):
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pl = msg.payload.decode()
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print("{} : {} ({})".format(msg.topic, pl, type(pl)))
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# Photo en cours
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if pl == "1" and msg.topic == camera_mqtt_topic + "/shooting" :
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disp.Dis_String(0, 105, "Shooting photo... ", 16)
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draw.rectangle((0, 105, epd2in13.EPD_HEIGHT, 120), fill=255)
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draw.text((0, 105), "Shooting photo... ", font=font14, fill=0)
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update_epd()
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#Dernière photo prise
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if msg.topic == camera_mqtt_topic + "/last_photo":
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disp.Dis_String(0, 105, "Last: " + pl, 16)
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draw.rectangle((0, 105, epd2in13.EPD_HEIGHT, 120), fill=255)
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draw.text((0, 105), "Last: " + pl, font=font14, fill=0)
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update_epd()
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#Callback de déconnexion au broker MQTT
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def on_disconnect(client, userdata, msg):
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if msg != 0:
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print("Déconnexion imprévu : %s" % msg)
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exit()
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########
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# Main #
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########
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#init and Clear full screen
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bus = 0
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device = 0
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disp = EPD_driver.EPD_driver(spi=SpiDev(bus, device))
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#Screen init.
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epd = epd2in13.EPD()
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epd.init(epd.lut_full_update)
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print("Start display...")
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disp.Dis_Clear_full()
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disp.Dis_Clear_part()
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print("OK")
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#List of TrueType fonts
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font12 = ImageFont.truetype(epd_font_file, 12)
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font14 = ImageFont.truetype(epd_font_file, 14)
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font16 = ImageFont.truetype(epd_font_file, 16)
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font12_bold = ImageFont.truetype(epd_bold_font_file, 12)
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font14_bold = ImageFont.truetype(epd_bold_font_file, 14)
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font16_bold = ImageFont.truetype(epd_bold_font_file, 16)
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#font12_obl = ImageFont.truetype(epd_italic_font_file, 12)
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#font14_obl = ImageFont.truetype(epd_italic_font_file, 14)
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#font16_obl = ImageFont.truetype(epd_italic_font_file, 16)
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#disp.Dis_String(0, 0, "{} | {}".format(socket.gethostname(), netifaces.ifaddresses('wlan0')[2][0]['addr']), 12)
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disp.Dis_String(0, 0, "IPv4 : {}".format(netifaces.ifaddresses('wlan0')[2][0]['addr']), 16)
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disp.Dis_String(0, 33, "Temperature : ", 16)
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disp.Dis_String(0, 49, "Humidity : ", 16)
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disp.Dis_String(0, 65, "Sea Pression : ", 16)
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#New image buffer
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# Memo : 0=black, 255= white/blank
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image = Image.new('1', (epd2in13.EPD_HEIGHT, epd2in13.EPD_WIDTH), 255)
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draw = ImageDraw.Draw(image)
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#Draw basic text and frame :
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draw.rectangle((0, 0, epd2in13.EPD_HEIGHT, 18), fill=0)
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draw.text((60, 2), "Projet Camétéo", font=font16_bold, fill=255)
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draw.text((0, 20), "{} : IP= {}".format(socket.gethostname(), netifaces.ifaddresses('wlan0')[2][0]['addr']), font = font12, fill=0 )
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draw.line((0,49,epd2in13.EPD_HEIGHT, 49), fill=0)
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draw.line((0,65,epd2in13.EPD_HEIGHT, 65), fill=0)
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draw.line((0,81,epd2in13.EPD_HEIGHT, 81), fill=0)
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draw.line((125, 49, 125, 81), fill=0)
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#Display on ePaper screen
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epd.clear_frame_memory(0xFF)
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update_epd()
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#
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#screen = image.rotate(90, expand=True)
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#epd.set_frame_memory(screen, 0, 0)
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#epd.display_frame()
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#Toggle to partial refresh
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epd.init(epd.lut_partial_update)
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#Connect to MQTT broker and loop...
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mqtt_client = mqtt.Client(mqtt_client_id, clean_session=True)
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