From a7b1e1bb987e6fc20ab9f1df90e53ab6a2fa9c19 Mon Sep 17 00:00:00 2001
From: Benjamin Koch <bbbsnowball@gmail.com>
Date: Sat, 6 May 2023 23:37:34 +0200
Subject: [PATCH] test RS485
---
firmware/test1/heizung-test1/src/main.cpp | 25 +++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/firmware/test1/heizung-test1/src/main.cpp b/firmware/test1/heizung-test1/src/main.cpp
index f4ccf30..39b2743 100644
--- a/firmware/test1/heizung-test1/src/main.cpp
+++ b/firmware/test1/heizung-test1/src/main.cpp
@@ -75,12 +75,16 @@ void setup() {
pinMode(MATRIX_IN1, INPUT_PULLUP);
pinMode(MATRIX_IN3, INPUT_PULLUP);
+ pinMode(TX_EN, OUTPUT);
+ digitalWrite(TX_EN, LOW);
+
Serial1.setTX(TX); // UART0
Serial1.setRX(RX);
Wire.setSDA(I2C_OLED_SDA); // I2C0
Wire.setSCL(I2C_OLED_SCL);
Serial.begin(9600); // USB serial, baudrate is ignored
+ Serial1.begin(115200);
Wire.begin();
Wire.setClock(100000);
@@ -490,5 +494,26 @@ void loop() {
pixelsDisplay.show();
}
+ static int rs485_timer = 0;
+ static int rs485_state = 0;
+ if ((rs485_timer < 10 || !pixelsDisplay.canShow()) && 0) {
+ rs485_timer++;
+ } else {
+ rs485_timer = 0;
+ rs485_state += 1;
+
+ if (0) {
+ digitalWrite(TX_EN, HIGH);
+ Serial1.print("Test ");
+ Serial1.println(rs485_state);
+ } else {
+ digitalWrite(TX_EN, LOW);
+ }
+ }
+ if (Serial1.available()) {
+ Serial.print("RX: ");
+ Serial.println(Serial1.read());
+ }
+
delay(1);
}
\ No newline at end of file
--
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