From 65111340cf6fa8f2e6e5e41733e6c2e4bb53f569 Mon Sep 17 00:00:00 2001
From: Martin Brodbeck <martin@brodbeck-online.de>
Date: Thu, 28 Apr 2022 22:05:52 +0200
Subject: [PATCH] LCD works

---
 gbmanager.py | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/gbmanager.py b/gbmanager.py
index cf896bd..1b40e6f 100644
--- a/gbmanager.py
+++ b/gbmanager.py
@@ -2,9 +2,9 @@ from machine import Pin, I2C
 from onewire import OneWire
 from ds18x20 import DS18X20
 from time import sleep_ms
-#from machine_i2c_lcd import I2cLcd
+from machine_i2c_lcd import I2cLcd
 from lcd_api import LcdApi
-from i2c_lcd import I2cLcd
+#from pico_i2c_lcd import I2cLcd
 
 # Relais
 relais  = Pin(15, machine.Pin.OUT, value = 1)
@@ -19,12 +19,14 @@ sensor_id   = temp_sensor.scan()[0]
 #lcd = I2cLcd(i2c, 0x27, 2, 16)
 i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)
 lcd_addr = 39
-i2c.writeto(lcd_addr, '\x7C')
-i2c.writeto(lcd_addr, '\x2D')
+I2C_ADDR     = 0x27
+I2C_NUM_ROWS = 2
+I2C_NUM_COLS = 16
+lcd = I2cLcd(i2c, I2C_ADDR, I2C_NUM_ROWS, I2C_NUM_COLS)
 
 # Text in Zeilen
-line_top = 'Temp. (Soll):'
-line_bot = 'Temp. (Ist) :'
+line_top = 'Soll: '
+line_bot = 'Ist : '
 
 def ctrl_relais(active = True):
     if active:
@@ -38,9 +40,9 @@ def ctrl_relais(active = True):
 while True:
     temp_sensor.convert_temp()
     sleep_ms(750)
-    print(temp_sensor.read_temp(sensor_id), " °C")
-    #i2c.writeto(lcd_addr, line_top + "\n" + line_bot)
-    i2c.writeto(lcd_addr, "Hello world")
+    temp_curr = str(temp_sensor.read_temp(sensor_id))
+    lcd.move_to(0, 0)
+    lcd.putstr(line_top + "\n" + line_bot + temp_curr + " °C")
     sleep_ms(2000)
     
     #ctrl_relais(True)