Fix loopback

Author: lucasssvaz

tests/periman/periman.ino

@@ -35,13 +35,23 @@ String last_test = "";
 int8_t uart1_rx_pin;
 int8_t uart1_tx_pin;
 
+/* Callback functions */
+
+void onReceive_cb(void) {
+  // This is a callback function that will be activated on UART RX events
+  size_t available = Serial1.available();
+  while (available --) {
+    Serial.print((char)Serial1.read());
+  }
+}
+
 /* Unity functions */
 
 // This function is automatically called by unity before each test is run
 void setUp(void) {
   log_v("Setting up next test");
   Serial1.setPins(uart1_rx_pin, uart1_tx_pin);
-  uart_internal_loopback(1, SOC_RX0);
+  uart_internal_loopback(1, RX1);
   delay(100);
   log_v("Running test");
 }
@@ -54,7 +64,7 @@ void tearDown(void) {
   Serial1.flush();
 
   Serial1.setPins(uart1_rx_pin, uart1_tx_pin);
-  uart_internal_loopback(1, SOC_RX0);
+  uart_internal_loopback(1, RX1);
   delay(100);
   Serial1.print(last_test);
   Serial1.println(" test: This should be printed");
@@ -180,12 +190,10 @@ void touch_test(void) {
 }
 #endif
 
-#if SOC_GPSPI_SUPPORTED || CONFIG_ETH_USE_ESP32_EMAC
 void eth_test(void) {
   ETH.begin();
   last_test = "ETH";
 }
-#endif
 
 /* Main functions */
 
@@ -196,7 +204,8 @@ void setup() {
   Serial1.setPins(UART1_RX_DEFAULT, UART1_TX_DEFAULT);
   Serial1.begin(115200);
   while(!Serial1) { delay(10); }
-  uart_internal_loopback(1, SOC_RX0);
+  Serial1.onReceive([]() {onReceive_cb();});
+  uart_internal_loopback(1, RX1);
 
   UNITY_BEGIN();