Added simple tests for BusOut component to check if we can use new features of BusOut::operator[] and DigitalOut::is_connected()

Author: PrzemekWirkus

libraries/tests/mbed/bus_out/main.cpp

@@ -0,0 +1,75 @@
+#include "mbed.h"
+#include "test_env.h"
+
+BusOut bus_out(LED1, LED2, LED3, LED4);
+
+int main()
+{
+    notify_start();
+
+    bool result = false;
+
+    for (;;) {
+        const int mask = bus_out.mask();
+        int led_mask = 0x00;
+        if (LED1 != NC) led_mask |= 0x01;
+        if (LED2 != NC) led_mask |= 0x02;
+        if (LED3 != NC) led_mask |= 0x04;
+        if (LED4 != NC) led_mask |= 0x08;
+
+        printf("MBED: BusIn mask: 0x%X\r\n", mask);
+        printf("MBED: BusIn LED mask: 0x%X\r\n", led_mask);
+
+        // Let's check bus's connected pins mask
+        if (mask != led_mask) {
+            break;
+        }
+
+        // Checking if DigitalOut is correctly set as connected
+        for (int i=0; i<4; i++) {
+            printf("MBED: BusOut.bit[%d] is %s\r\n", i, bus_out[i].is_connected() ? "connected" : "not connected");
+        }
+
+        if (LED1 != NC && bus_out[0].is_connected() == 0) {
+            break;
+        }
+        if (LED1 != NC && bus_out[1].is_connected() == 0) {
+            break;
+        }
+        if (LED1 != NC && bus_out[2].is_connected() == 0) {
+            break;
+        }
+        if (LED1 != NC && bus_out[3].is_connected() == 0) {
+            break;
+        }
+
+        // Write mask all LEDs
+        bus_out.write(mask);    // Set all LED's pins in high state
+        if (bus_out.read() != mask) {
+            break;
+        }
+        // Zero all LEDs and see if mask is correctly cleared on all bits
+        bus_out.write(~mask);
+        if (bus_out.read() != 0x00) {
+            break;
+        }
+
+        result = true;
+        break;
+    }
+
+    printf("MBED: Blinking LEDs...\r\n");
+
+    // Just a quick LED blinking...
+    for (int i=0; i<4; i++) {
+        if (bus_out[i].is_connected()) {
+            bus_out[i] = 1;
+        }
+        wait(0.2);
+        if (bus_out[i].is_connected()) {
+            bus_out[i] = 0;
+        }
+    }
+
+    notify_completion(result);
+}

libraries/tests/utest/bus/busout_ut.cpp

@@ -0,0 +1,87 @@
+#include "TestHarness.h"
+#include <utility>
+#include "mbed.h"
+
+TEST_GROUP(BusOut_mask)
+{
+};
+
+TEST(BusOut_mask, led_1_2_3)
+{
+    BusOut bus_data(LED1, LED2, LED3);
+    CHECK_EQUAL(0x07, bus_data.mask());
+}
+
+TEST(BusOut_mask, led_nc_nc_nc_nc)
+{
+    BusOut bus_data(NC, NC, NC, NC);
+    CHECK_EQUAL(0x00, bus_data.mask());
+}
+
+TEST(BusOut_mask, led_1_2_3_nc_nc)
+{
+    BusOut bus_data(LED1, LED2, LED3, NC, NC);
+    CHECK_EQUAL(0x07, bus_data.mask());
+}
+
+TEST(BusOut_mask, led_1_nc_2_nc_nc_3)
+{
+    BusOut bus_data(LED1, NC, LED2, NC, NC, LED3);
+    CHECK_EQUAL(0x25, bus_data.mask());
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+TEST_GROUP(BusOut_dummy)
+{
+};
+
+TEST(BusOut_dummy, dummy)
+{
+}
+
+#ifdef MBED_OPERATORS
+TEST_GROUP(BusOut_digitalout_write)
+{
+};
+
+TEST(BusOut_digitalout_write, led_nc)
+{
+    BusOut bus_data(NC);
+    CHECK_EQUAL(false, bus_data[0].is_connected())
+}
+
+
+TEST(BusOut_digitalout_write, led_1_2_3)
+{
+    BusOut bus_data(LED1, LED2, LED3);
+    bus_data[0].write(1);
+    bus_data[1].write(1);
+    bus_data[2].write(1);
+    CHECK(bus_data[0].read());
+    CHECK(bus_data[1].read());
+    CHECK(bus_data[2].read());
+}
+
+TEST(BusOut_digitalout_write, led_1_2_3_nc_nc)
+{
+    BusOut bus_data(LED1, LED2, LED3, NC, NC);
+    bus_data[0].write(0);
+    bus_data[1].write(0);
+    bus_data[2].write(0);
+    CHECK(bus_data[0].read() == 0);
+    CHECK(bus_data[1].read() == 0);
+    CHECK(bus_data[2].read() == 0);
+}
+
+TEST(BusOut_digitalout_write, led_1_nc_2_nc_nc_3)
+{
+    BusOut bus_data(LED1, NC, LED2, NC, NC, LED3);
+    bus_data[0].write(1);
+    bus_data[2].write(0);
+    bus_data[5].write(0);
+    CHECK(bus_data[0].read());
+    CHECK(bus_data[2].read() == 0);
+    CHECK(bus_data[5].read() == 0);
+}
+#endif

workspace_tools/tests.py

@@ -262,6 +262,14 @@
         "duration": 15,
     },
 
+    {
+        "id": "MBED_BUSOUT", "description": "BusOut",
+        "source_dir": join(TEST_DIR, "mbed", "bus_out"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+        "automated": True,
+        "duration": 15,
+    },
+
     # Size benchmarks
     {
         "id": "BENCHMARK_1", "description": "Size (c environment)",
@@ -527,7 +535,7 @@
         "automated": True,
         "host_test": "wait_us_auto"
     },
-    
+
 
     # CMSIS RTOS tests
     {
@@ -899,6 +907,12 @@
         "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB, CPPUTEST_LIBRARY],
         "automated": False,
     },
+    {
+        "id": "UT_BUSIO", "description": "BusIn BusOut",
+        "source_dir": join(TEST_DIR, "utest", "bus"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB, CPPUTEST_LIBRARY],
+        "automated": False,
+    },
 
     # Tests used for target information purposes
     {