tests: some fixes for <32bit platforms

tests/driver_bh1750/main.c

@@ -24,7 +24,7 @@
 #include "bh1750fvi.h"
 #include "bh1750fvi_params.h"
 
-#define RATE        (200 * MS_IN_USEC)      /* 200ms */
+#define RATE        (200LU * MS_IN_USEC)      /* 200ms */
 
 int main(void)
 {

tests/driver_srf02/main.c

@@ -36,7 +36,7 @@
 #error "TEST_MODE not defined"
 #endif
 
-#define SAMPLE_PERIOD       (100 * 1000U)
+#define SAMPLE_PERIOD       (100LU * 1000U)
 
 static srf02_t dev;
 

tests/periph_adc/main.c

@@ -25,7 +25,7 @@
 
 
 #define RES             ADC_RES_10BIT
-#define DELAY           (100 * 1000U)
+#define DELAY           (100LU * 1000U)
 
 
 int main(void)

tests/saul/main.c

@@ -26,7 +26,7 @@
 /**
  * @brief   Read th sensors every second
  */
-#define INTERVAL            (1000000U)
+#define INTERVAL            (1000000LU)
 
 
 int main(void)

tests/xtimer_drift/main.c

@@ -38,9 +38,9 @@
  * TEST_MSG_RX_USLEEP is a tiny sleep inside the message reception thread to
  * cause extra context switches.
  */
-#define TEST_HZ (64)
-#define TEST_INTERVAL (1000000 / TEST_HZ)
-#define TEST_MSG_RX_USLEEP (200)
+#define TEST_HZ (64LU)
+#define TEST_INTERVAL (1000000LU / TEST_HZ)
+#define TEST_MSG_RX_USLEEP (200LU)
 
 char slacker_stack1[THREAD_STACKSIZE_DEFAULT];
 char slacker_stack2[THREAD_STACKSIZE_DEFAULT];

tests/xtimer_hang/main.c

@@ -26,14 +26,14 @@
 #include "xtimer.h"
 #include "thread.h"
 
-#define TEST_SECONDS        (10U)
+#define TEST_SECONDS        (10LU)
 #define TEST_TIME           (TEST_SECONDS * SEC_IN_USEC)
 #define STACKSIZE_TIMER     (THREAD_STACKSIZE_DEFAULT)
 
 char stack_timer1[STACKSIZE_TIMER];
 char stack_timer2[STACKSIZE_TIMER];
 
-long unsigned int count = 0;
+unsigned int count = 0;
 
 void* timer_func1(void* arg)
 {
@@ -55,10 +55,9 @@ void* timer_func2(void* arg)
 
 int main(void)
 {
-
     puts("xTimer hang test\n");
 
-    printf("This test will print \"Testing... (<percentage>)\" every 100ms for %u seconds.\n", TEST_SECONDS);
+    printf("This test will print \"Testing... (<percentage>)\" every 100ms for %u seconds.\n", (unsigned)TEST_SECONDS);
     printf("If it stops before, the test failed.\n\n");
 
     thread_create(stack_timer1,
@@ -81,8 +80,8 @@ int main(void)
     while(xtimer_now() < end)
     {
         count++;
-        xtimer_usleep(100U * 1000);
-        printf("Testing... (%lu%%)\n", count);
+        xtimer_usleep(100LU * 1000);
+        printf("Testing... (%u%%)\n", count);
     }
 
     printf("Test successful.\n");