From d66d8ae99871e478499fbe5544a976efaf6d960e Mon Sep 17 00:00:00 2001
From: Bas Stottelaar <basstottelaar@gmail.com>
Date: Wed, 8 Jan 2020 00:45:10 +0100
Subject: [PATCH] tests/cpu_efm32_drivers: add test application

---
 tests/cpu_efm32_drivers/Makefile  | 17 +++++++++++
 tests/cpu_efm32_drivers/README.md | 11 +++++++
 tests/cpu_efm32_drivers/main.c    | 51 +++++++++++++++++++++++++++++++
 3 files changed, 79 insertions(+)
 create mode 100644 tests/cpu_efm32_drivers/Makefile
 create mode 100644 tests/cpu_efm32_drivers/README.md
 create mode 100644 tests/cpu_efm32_drivers/main.c

diff --git a/tests/cpu_efm32_drivers/Makefile b/tests/cpu_efm32_drivers/Makefile
new file mode 100644
index 0000000000..192e00f572
--- /dev/null
+++ b/tests/cpu_efm32_drivers/Makefile
@@ -0,0 +1,17 @@
+BOARD ?= sltb001a
+include ../Makefile.tests_common
+
+BOARD_WHITELIST := ikea-tradfri \
+                   slstk3401a \
+                   slstk3402a \
+                   sltb001a \
+                   slwstk6000b-slwrb4150a \
+                   slwstk6000b-slwrb4162a \
+                   slwstk6220a \
+                   stk3200 \
+                   stk3600 \
+                   stk3700
+
+USEMODULE += efm32_coretemp
+
+include $(RIOTBASE)/Makefile.include
diff --git a/tests/cpu_efm32_drivers/README.md b/tests/cpu_efm32_drivers/README.md
new file mode 100644
index 0000000000..269fd83a70
--- /dev/null
+++ b/tests/cpu_efm32_drivers/README.md
@@ -0,0 +1,11 @@
+# EFM32 CPU Drivers
+
+## Introduction
+The EFM32 CPU has additional drivers that can be used. This test application
+ensure that these drivers work.
+
+Current tests includes:
+* EFM32 core temperature driver
+
+## Expected result
+The test application compiles for EFM32-based boards.
diff --git a/tests/cpu_efm32_drivers/main.c b/tests/cpu_efm32_drivers/main.c
new file mode 100644
index 0000000000..014df953ed
--- /dev/null
+++ b/tests/cpu_efm32_drivers/main.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2020 Bas Stottelaar <basstottelaar@gmail.com>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup     tests
+ * @{
+ *
+ * @file
+ * @brief       Test application for EFM32 specific drivers
+ *
+ * @author      Bas Stottelaar <basstottelaar@gmail.com>
+ *
+ * @}
+ */
+
+#include <stdio.h>
+
+#include "coretemp.h"
+
+static void test_coretemp(void)
+{
+    puts("Testing internal EFM32 temperature driver.");
+
+    /* initialize the sensor */
+    int result = coretemp_init();
+
+    if (result == 0) {
+        puts("Driver initialization OK.");
+    }
+    else {
+        printf("Driver initialization failed: %d.", result);
+        return;
+    }
+
+    /* read temperature */
+    int16_t temperature = coretemp_read();
+
+    printf("Temperature: %d.%02d C\n", temperature / 100, temperature % 100);
+}
+
+int main(void)
+{
+    test_coretemp();
+
+    return 0;
+}