LPC11C24 warnings

libuavcan/src/transport/uc_frame.cpp

@@ -17,13 +17,13 @@ int Frame::getMaxPayloadLen() const
     {
     case TransferTypeMessageBroadcast:
     {
-        return sizeof(payload_);
+        return int(sizeof(payload_));
     }
     case TransferTypeServiceResponse:
     case TransferTypeServiceRequest:
     case TransferTypeMessageUnicast:
     {
-        return sizeof(payload_) - 1;
+        return int(sizeof(payload_)) - 1;
     }
     default:
     {

libuavcan_drivers/lpc11c24/driver/src/can.cpp

@@ -410,6 +410,8 @@ void canErrorCallback(uint32_t error_info)
     }
 }
 
+void CAN_IRQHandler();
+
 void CAN_IRQHandler()
 {
     uavcan_lpc11c24::last_irq_utc_timestamp = uavcan_lpc11c24::clock::getUtcUSecFromCanInterrupt();

libuavcan_drivers/lpc11c24/driver/src/clock.cpp

@@ -159,6 +159,8 @@ SystemClock& SystemClock::instance()
 extern "C"
 {
 
+void SysTick_Handler();
+
 void SysTick_Handler()
 {
     using namespace uavcan_lpc11c24::clock;

libuavcan_drivers/lpc11c24/test_olimex_lpc_p11c24/Makefile

@@ -11,7 +11,7 @@ CSRC   := $(wildcard lpc_chip_11cxx_lib/src/*.c) \
 DEF = -DFW_VERSION_MAJOR=1 -DFW_VERSION_MINOR=0
 
 INC = -Isrc/sys                         \
-      -Ilpc_chip_11cxx_lib/inc
+      -isystem lpc_chip_11cxx_lib/inc
 
 #
 # UAVCAN library
@@ -52,7 +52,7 @@ DEF += -DNDEBUG -DCHIP_LPC11CXX -DCORE_M0 -DTHUMB_NO_INTERWORKING -U__STRICT_ANS
 FLAGS = -mthumb -mcpu=cortex-m0 -mno-thumb-interwork -flto -Os -g3 -Wall -Wextra -Werror -ffunction-sections \
         -fdata-sections -fno-common -fno-exceptions -fno-unwind-tables -fno-stack-protector -fomit-frame-pointer \
         -ftracer -ftree-loop-distribute-patterns -frename-registers -freorder-blocks -fconserve-stack \
-        -Wfloat-equal
+        -Wfloat-equal -Wconversion -Wsign-conversion -Wmissing-declarations
 
 C_CPP_FLAGS = $(FLAGS) -MD -MP -MF $(DEPDIR)/$(@F).d
 

libuavcan_drivers/lpc11c24/test_olimex_lpc_p11c24/src/main.cpp

@@ -93,7 +93,7 @@ void init()
 
 void reverse(char* s)
 {
-    for (int i = 0, j = std::strlen(s) - 1; i < j; i++, j--)
+    for (int i = 0, j = int(std::strlen(s)) - 1; i < j; i++, j--)
     {
         const char c = s[i];
         s[i] = s[j];

libuavcan_drivers/lpc11c24/test_olimex_lpc_p11c24/src/sys/libstubs.cpp

@@ -7,6 +7,10 @@
 #include <unistd.h>
 #include <sys/types.h>
 
+#if __GNUC__
+# pragma GCC diagnostic ignored "-Wmissing-declarations"
+#endif
+
 void* __dso_handle;
 
 void* operator new(size_t)