3 files changed, 11 insertions, 2 deletions
diff --git a/demos/ARM7-AT91SAM7X-UIP-GCC/Makefile b/demos/ARM7-AT91SAM7X-UIP-GCC/Makefile
index 95d046fef..77695a569 100644
--- a/demos/ARM7-AT91SAM7X-UIP-GCC/Makefile
+++ b/demos/ARM7-AT91SAM7X-UIP-GCC/Makefile
@@ -143,10 +143,10 @@ AOPT =
 TOPT = -mthumb -DTHUMB
 
 # Define C warning options here
-CWARN = -Wall -Wstrict-prototypes
+CWARN = -Wall -Wextra -Wstrict-prototypes
 
 # Define C++ warning options here
-CPPWARN = -Wall
+CPPWARN = -Wall -Wextra
 
 #
 # Compiler settings
diff --git a/demos/ARM7-AT91SAM7X-UIP-GCC/main.c b/demos/ARM7-AT91SAM7X-UIP-GCC/main.c
index 0474ce008..5b366b0b0 100644
--- a/demos/ARM7-AT91SAM7X-UIP-GCC/main.c
+++ b/demos/ARM7-AT91SAM7X-UIP-GCC/main.c
@@ -31,6 +31,7 @@ static WORKING_AREA(waThread1, 128);
 
 static msg_t Thread1(void *arg) {
 
+  (void)arg;
   while (TRUE) {
     palSetPad(IOPORT2, PIOB_LCD_BL);
     chThdSleepMilliseconds(100);
@@ -46,6 +47,9 @@ static msg_t Thread1(void *arg) {
  */
 int main(int argc, char **argv) {
 
+  (void)argc;
+  (void)argv;
+
   /*
    * Activates the serial driver 2 using the driver default configuration.
    */
diff --git a/demos/ARM7-AT91SAM7X-UIP-GCC/web/webthread.c b/demos/ARM7-AT91SAM7X-UIP-GCC/web/webthread.c
index 12c3b8405..1be4df645 100644
--- a/demos/ARM7-AT91SAM7X-UIP-GCC/web/webthread.c
+++ b/demos/ARM7-AT91SAM7X-UIP-GCC/web/webthread.c
@@ -88,6 +88,7 @@ clock_time_t clock_time( void )
 static void PeriodicTimerHandler(eventid_t id) {
   int i;
 
+  (void)id;
   for (i = 0; i < UIP_CONNS; i++) {
     uip_periodic(i);
     if (uip_len > 0) {
@@ -102,6 +103,7 @@ static void PeriodicTimerHandler(eventid_t id) {
  */
 static void ARPTimerHandler(eventid_t id) {
 
+  (void)id;
   (void)macPollLinkStatus(&ETH1);
   uip_arp_timer();
 }
@@ -111,6 +113,7 @@ static void ARPTimerHandler(eventid_t id) {
  */
 static void FrameReceivedHandler(eventid_t id) {
 
+  (void)id;
   while ((uip_len = network_device_read()) > 0) {
     if (BUF->type == HTONS(UIP_ETHTYPE_IP)) {
       uip_arp_ipin();
@@ -143,6 +146,8 @@ msg_t WebThread(void *p) {
   EventListener el0, el1, el2;
   uip_ipaddr_t ipaddr;
 
+  (void)p;
+
   /*
    * Event sources setup.
    */