daily_automated

trunk/Arduino/libraries/EspSoftwareSerial/examples/swsertest/swsertest.ino

@@ -0,0 +1,58 @@
+// On ESP8266:
+// At 80MHz runs up 57600ps, and at 160MHz CPU frequency up to 115200bps with only negligible errors.
+// Connect pin 12 to 14.
+
+#include <SoftwareSerial.h>
+
+#ifndef D5
+#if defined(ESP8266)
+#define D5 (14)
+#define D6 (12)
+#define D7 (13)
+#define D8 (15)
+#define TX (1)
+#elif defined(ESP32)
+#define D5 (18)
+#define D6 (19)
+#define D7 (23)
+#define D8 (5)
+#define TX (1)
+#endif
+#endif
+
+#ifdef ESP32
+#define BAUD_RATE 57600
+#else
+#define BAUD_RATE 57600
+#endif
+
+SoftwareSerial swSer;
+
+void setup() {
+	Serial.begin(115200);
+	// Important: the buffer size optimizations here, in particular the isrBufSize (11) that is only sufficiently
+	// large to hold a single 8N1 word, are on the basis that any char written to the loopback SoftwareSerial
+	// adapter gets read before another write is performed.
+	// Block writes with a size greater than 1 would usually fail. Do not copy this into your own project without
+	// reading the documentation.
+	swSer.begin(BAUD_RATE, SWSERIAL_8N1, D5, D6, false, 95, 11);
+
+	Serial.println(PSTR("\nSoftware serial test started"));
+
+	for (char ch = ' '; ch <= 'z'; ch++) {
+		swSer.write(ch);
+	}
+	swSer.println();
+}
+
+void loop() {
+	while (swSer.available() > 0) {
+		Serial.write(swSer.read());
+		yield();
+	}
+	while (Serial.available() > 0) {
+		swSer.write(Serial.read());
+		yield();
+	}
+
+}