Update the serial tests

notes/esp32_serial/esp32_serial.ino

@@ -2,21 +2,27 @@
 #include <Arduino.h>
 
 #define RXD2 16
-#define TXD2 -1
+#define TXD2 17
+
+#define LOG_LOCAL_LEVEL ESP_LOG_INFO
+#include "esp_log.h"
+#include <esp32-hal-log.h>
+
 
 HardwareSerial Serial2(1);
 
+volatile char cmd = 'z';
 
 void setup () {
-    Serial2.begin(57600, SERIAL_8N1, RXD2, TXD2);
+    Serial2.begin(9600, SERIAL_8N1, RXD2, TXD2);
 }
 
-
-
 void loop () {
-    now = millis();
-
     if (Serial2.available() > 0) {
-        //cmdChar = Serial2.read();
+        cmd = Serial2.read();
+    }
+
+    if (cmd == 'x') {
+        Serial2.print('x');
     }
 }

notes/nano_softserial/nano_softserial.ino

@@ -1,19 +1,3 @@
-/**
- * 
- * Camera Remote Menu
- * 
- * 
- * 
- * 
- * 
- * Camera Settings
- * 
- * 
- * 
- * 
- * 
- **/
-
 #include <SoftwareSerial.h>
 
 #define SOFTWARE_RX     10
@@ -21,14 +5,26 @@
 
 SoftwareSerial softPort(SOFTWARE_RX, SOFTWARE_TX);
 
-void setup () {
+volatile char cmd = 'z';
-    softPort.begin(57600);
+volatile long now;
-}
+volatile long start;
 
+void setup () {
+    softPort.begin(9600);
+    start = millis();
+    pinMode(LED_BUILTIN, OUTPUT);
+}
 
 void loop () {
+    now = millis();
     if (softPort.available() > 0) {
-        //sChar = softPort.read();
+        cmd = softPort.read();
+    }
+    if (cmd == 'x') {
+        digitalWrite(LED_BUILTIN, HIGH);
+    }
+    if (now >= start + 5000) {
+        softPort.print('x');
     }
 }