adopted software to Nano 2.0

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>
2023-12-03 12:23:19 +01:00
parent 9c8355482b
commit 1bdfaa1523
2 changed files with 154 additions and 0 deletions
@@ -0,0 +1,58 @@
+/*
+ *  Demonstrates how to use LCDisplay in conjunction with SoftRS485:
+ *
+ *  The main _loop_ of this program listens on the RS485 bus.
+ *  Whenever a message is received from the bus, it is displayed on the LCD.
+ */
+
+// include the library code:
+#include <LiquidCrystal.h>
+#include <SoftRS485.h>
+
+#define PROGRAM "RS485-Nano Rev 2.0 / LCDReceive 1.2"
+
+#define Max485_RO 3 // read-output of Max485
+#define Max485_RE 5 // not-read-enable of Max485
+#define Max485_DE 9 // data enable of Max485
+#define Max485_DI 8 // data input of Max485
+
+#define LCD_RS 4
+#define LCD_EN 6
+#define LCD_D4 7
+#define LCD_D5 11
+#define LCD_D6 12
+#define LCD_D7 13
+
+
+
+// initialize the library by associating any needed LCD interface pin with the arduino pin number it is connected to
+LiquidCrystal lcd(LCD_RS, LCD_EN, LCD_D4, LCD_D5, LCD_D6, LCD_D7);
+
+
+void setup() {
+  Serial.begin(115200);
+  init485(Max485_RO,Max485_RE,Max485_DE,Max485_DI); // library initialization:
+  invert485polarity(true);
+  // set up the LCD's number of columns and rows:
+  lcd.begin(16, 2);
+  // Print a message to the LCD.
+  Serial.println(PROGRAM);
+  lcd.print(PROGRAM);
+
+}
+
+void loop() {
+  if (available485()) {
+    String s = get485message();
+    Serial.println(s);
+    lcd.clear();
+    lcd.setCursor(0, 0);
+    lcd.print(s);
+    if (s.length()>16) {
+      lcd.setCursor(0, 1);
+      s=s.substring(16);
+      s.trim();
+      lcd.print(s);
+    }
+  }
+}