add libs

lib_uart/tests/app_uart_test_loopback/src/debug_conf.h

@@ -0,0 +1,5 @@
+// Copyright (c) 2014-2016, XMOS Ltd, All rights reserved
+#define DEBUG_PRINT_ENABLE 1
+#define XASSERT_ENABLE_ASSERTIONS 1
+#define XASSERT_ENABLE_DEBUG 1
+#define XASSERT_ENABLE_LINE_NUMBERS 1

lib_uart/tests/app_uart_test_loopback/src/uart_test.xc

@@ -0,0 +1,42 @@
+// Copyright (c) 2015-2017, XMOS Ltd, All rights reserved
+
+#include <xs1.h>
+#include <platform.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "xassert.h"
+#include "uart.h"
+
+port p_rx       = on tile[0] : XS1_PORT_1A;
+port p_rx_ready = on tile[0] : XS1_PORT_1B;
+port p_tx       = on tile[0] : XS1_PORT_1C;
+
+#define BUFFER_SIZE 64
+int main() {
+  interface uart_tx_buffered_if i_tx;
+  interface uart_rx_if i_rx;
+  input_gpio_if i_gpio_rx;
+  output_gpio_if i_gpio_tx[1];
+  par {
+    on tile[0] : input_gpio_1bit_with_events(i_gpio_rx, p_rx);
+    on tile[0] : output_gpio(i_gpio_tx, 1, p_tx, null);
+    on tile[0] : uart_rx(i_rx, null, BUFFER_SIZE, BAUD, UART_PARITY_NONE, 8, 1, i_gpio_rx);
+    on tile[0] : uart_tx_buffered(i_tx, null, BUFFER_SIZE, BAUD,
+                                  UART_PARITY_NONE, 8, 1, i_gpio_tx[0]);
+
+    on tile[0]: {
+      printf("TEST CONFIG:{'baud rate':%d}\n", BAUD);
+      printf("Performing rx test.\n");
+      p_rx_ready <: 1;
+
+      for (int i = 0; i < 4; i++) {
+        unsigned char ch = i_rx.wait_for_data_and_read();
+        i_tx.write(ch);
+      }
+      // Wait for the byte to be sent (data + start + stop)
+      delay_ticks(2*10*100000000/BAUD);
+      _Exit(0);
+    }
+  }
+  return 0;
+}