add -Wextra for more warnings to example

non-stack warning (probably mcu driver) should be suppressed in the
board.mk

examples/make.mk

@@ -56,6 +56,7 @@ CFLAGS += \
 	-Wno-endif-labels \
 	-Wstrict-prototypes \
 	-Wall \
+	-Wextra \
 	-Werror \
 	-Werror-implicit-function-declaration \
 	-Wfatal-errors \

hw/bsp/circuitplayground_bluefruit/board.mk

@@ -9,7 +9,10 @@ CFLAGS += \
   -DCONFIG_GPIO_AS_PINRESET
 
 # nrfx issue undef _ARMCC_VERSION usage https://github.com/NordicSemiconductor/nrfx/issues/49
-CFLAGS += -Wno-error=undef 
+CFLAGS += -Wno-error=undef -Wno-error=unused-parameter
+
+# due to tusb_hal_nrf_power_event
+CFLAGS += -Wno-error=cast-function-type
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/circuitplayground_bluefruit/nrf52840_s140_v6.ld

hw/bsp/ea4088qs/board.mk

@@ -8,8 +8,8 @@ CFLAGS += \
   -DCFG_TUSB_MEM_SECTION='__attribute__((section(".data.$$RAM2")))' \
   -D__USE_LPCOPEN
 
-# lpc_types.h cause following errors
-CFLAGS += -Wno-error=strict-prototypes
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=strict-prototypes -Wno-error=unused-parameter
 
 MCU_DIR = hw/mcu/nxp/lpc_driver/lpc40xx/lpc_chip_40xx
 

hw/bsp/ea4357/board.mk

@@ -7,8 +7,8 @@ CFLAGS += \
   -DCFG_TUSB_MCU=OPT_MCU_LPC43XX \
   -D__USE_LPCOPEN
 
-# lpc_types.h cause following errors
-CFLAGS += -Wno-error=strict-prototypes
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=unused-parameter -Wno-error=strict-prototypes
 
 MCU_DIR = hw/mcu/nxp/lpc_driver/lpc43xx/lpc_chip_43xx
 

hw/bsp/feather_nrf52840_express/board.mk

@@ -9,7 +9,10 @@ CFLAGS += \
   -DCONFIG_GPIO_AS_PINRESET
 
 # nrfx issue undef _ARMCC_VERSION usage https://github.com/NordicSemiconductor/nrfx/issues/49
-CFLAGS += -Wno-error=undef 
+CFLAGS += -Wno-error=undef -Wno-error=unused-parameter
+
+# due to tusb_hal_nrf_power_event
+CFLAGS += -Wno-error=cast-function-type
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/feather_nrf52840_express/nrf52840_s140_v6.ld

hw/bsp/lpcxpresso11u37/board.mk

@@ -10,8 +10,8 @@ CFLAGS += \
   -DCFG_TUSB_MEM_SECTION='__attribute__((section(".data.$$RAM2")))' \
   -DCFG_TUSB_MEM_ALIGN='__attribute__((aligned(64)))' 
 
-# startup.c and lpc_types.h cause following errors
-CFLAGS += -Wno-error=nested-externs -Wno-error=strict-prototypes
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=nested-externs -Wno-error=strict-prototypes -Wno-error=unused-parameter
 
 MCU_DIR = hw/mcu/nxp/lpc_driver/lpc11uxx/lpc_chip_11uxx
 

hw/bsp/lpcxpresso51u68/board.mk

@@ -7,8 +7,8 @@ CFLAGS += \
   -DCFG_TUSB_MEM_SECTION='__attribute__((section(".data")))' \
   -DCFG_TUSB_MEM_ALIGN='__attribute__((aligned(64)))' 
 
-# system_LPC51U68.c cause following errors
-CFLAGS += -Wno-error=nested-externs
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=nested-externs -Wno-error=unused-parameter
 
 MCU_DIR = hw/mcu/nxp/lpc_driver/lpc51u6x/devices/LPC51U68
 

hw/bsp/lpcxpresso54114/board.mk

@@ -9,6 +9,9 @@ CFLAGS += \
   -DCFG_TUSB_MEM_SECTION='__attribute__((section(".data")))' \
   -DCFG_TUSB_MEM_ALIGN='__attribute__((aligned(64)))' 
 
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=unused-parameter
+
 MCU_DIR = hw/mcu/nxp/lpc_driver/lpc54xxx/devices/LPC54114
 
 # All source paths should be relative to the top level.

hw/bsp/lpcxpresso55s69/board.mk

@@ -7,10 +7,10 @@ CFLAGS += \
   -DCPU_LPC55S69JBD100_cm33_core0 \
   -DCFG_TUSB_MCU=OPT_MCU_LPC55XX \
   -DCFG_TUSB_MEM_SECTION='__attribute__((section(".data")))' \
-  -DCFG_TUSB_MEM_ALIGN='__attribute__((aligned(64)))' 
+  -DCFG_TUSB_MEM_ALIGN='__attribute__((aligned(64)))'
 
-# system_LPC55S69_cm33_core0.c cause following errors
-CFLAGS += -Wno-error=float-equal -Wno-error=nested-externs
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=unused-parameter -Wno-error=float-equal -Wno-error=nested-externs
 
 MCU_DIR = hw/mcu/nxp/lpc_driver/lpc55xx/devices/LPC55S69
 

hw/bsp/mcb1800/board.mk

@@ -7,8 +7,8 @@ CFLAGS += \
   -DCFG_TUSB_MCU=OPT_MCU_LPC18XX \
   -D__USE_LPCOPEN
 
-# lpc_types.h cause following errors
-CFLAGS += -Wno-error=strict-prototypes
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=unused-parameter -Wno-error=strict-prototypes
 
 MCU_DIR = hw/mcu/nxp/lpc_driver/lpc18xx/lpc_chip_18xx
 

hw/bsp/ngx4330/board.mk

@@ -7,8 +7,8 @@ CFLAGS += \
   -DCFG_TUSB_MCU=OPT_MCU_LPC43XX \
   -D__USE_LPCOPEN
 
-# lpc_types.h cause following errors
-CFLAGS += -Wno-error=strict-prototypes
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=strict-prototypes -Wno-error=unused-parameter
 
 MCU_DIR = hw/mcu/nxp/lpc_driver/lpc43xx/lpc_chip_43xx
 

hw/bsp/pca10056/board.mk

@@ -9,7 +9,10 @@ CFLAGS += \
   -DCFG_TUSB_MCU=OPT_MCU_NRF5X
 
 # nrfx issue undef _ARMCC_VERSION usage https://github.com/NordicSemiconductor/nrfx/issues/49
-CFLAGS += -Wno-error=undef 
+CFLAGS += -Wno-error=undef -Wno-error=unused-parameter
+
+# due to tusb_hal_nrf_power_event
+CFLAGS += -Wno-error=cast-function-type
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/mcu/nordic/nrfx/mdk/nrf52840_xxaa.ld

hw/bsp/pca10056/pca10056.c

@@ -96,7 +96,8 @@ void board_init(void)
     nrfx_power_init(&pwr_cfg);
 
     // Register tusb function as USB power handler
-    const nrfx_power_usbevt_config_t config = { .handler = (nrfx_power_usb_event_handler_t) tusb_hal_nrf_power_event };
+    // cause cast-function-type warning
+    const nrfx_power_usbevt_config_t config = { .handler = ((nrfx_power_usb_event_handler_t) tusb_hal_nrf_power_event) };
     nrfx_power_usbevt_init(&config);
 
     nrfx_power_usbevt_enable();

hw/bsp/pca10059/board.mk

@@ -9,7 +9,10 @@ CFLAGS += \
   -DCFG_TUSB_MCU=OPT_MCU_NRF5X
 
 # nrfx issue undef _ARMCC_VERSION usage https://github.com/NordicSemiconductor/nrfx/issues/49
-CFLAGS += -Wno-error=undef 
+CFLAGS += -Wno-error=undef -Wno-error=unused-parameter
+
+# due to tusb_hal_nrf_power_event
+CFLAGS += -Wno-error=cast-function-type
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/$(BOARD)/$(BOARD).ld

hw/bsp/stm32f070rbnucleo/board.mk

@@ -9,6 +9,9 @@ CFLAGS += \
 	-DCFG_EXAMPLE_MSC_READONLY \
 	-DCFG_TUSB_MCU=OPT_MCU_STM32F0
 
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=unused-parameter
+
 ST_HAL_DRIVER = hw/mcu/st/st_driver/STM32F0xx_HAL_Driver
 ST_CMSIS = hw/mcu/st/st_driver/CMSIS/Device/ST/STM32F0xx
 

hw/bsp/stm32f072disco/board.mk

@@ -9,6 +9,9 @@ CFLAGS += \
 	-DCFG_EXAMPLE_MSC_READONLY \
 	-DCFG_TUSB_MCU=OPT_MCU_STM32F0
 
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=unused-parameter
+
 ST_HAL_DRIVER = hw/mcu/st/st_driver/STM32F0xx_HAL_Driver
 ST_CMSIS = hw/mcu/st/st_driver/CMSIS/Device/ST/STM32F0xx
 

hw/bsp/stm32f207nucleo/board.mk

@@ -8,7 +8,7 @@ CFLAGS += \
 	-nostdlib -nostartfiles \
 	-DCFG_TUSB_MCU=OPT_MCU_STM32F2
 
-# Suppress following warnings/error is required due to STM32F2xx_HAL_Driver.
+# mcu driver cause following warnings
 CFLAGS += -Wno-error=sign-compare
 
 ST_HAL_DRIVER = hw/mcu/st/st_driver/STM32F2xx_HAL_Driver

hw/bsp/stm32f303disco/board.mk

@@ -9,6 +9,9 @@ CFLAGS += \
 	-nostdlib -nostartfiles \
 	-DCFG_TUSB_MCU=OPT_MCU_STM32F3
 
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=unused-parameter
+
 ST_HAL_DRIVER = hw/mcu/st/st_driver/STM32F3xx_HAL_Driver
 ST_CMSIS = hw/mcu/st/st_driver/CMSIS/Device/ST/STM32F3xx
 

hw/bsp/stm32f412disco/board.mk

@@ -9,6 +9,9 @@ CFLAGS += \
   -nostdlib -nostartfiles \
   -DCFG_TUSB_MCU=OPT_MCU_STM32F4
 
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=maybe-uninitialized
+
 ST_HAL_DRIVER = hw/mcu/st/st_driver/STM32F4xx_HAL_Driver
 ST_CMSIS = hw/mcu/st/st_driver/CMSIS/Device/ST/STM32F4xx
 

hw/bsp/stm32f767nucleo/board.mk

@@ -9,8 +9,8 @@ CFLAGS += \
   -nostdlib -nostartfiles \
   -DCFG_TUSB_MCU=OPT_MCU_STM32F7
 
-# Suppress following warnings/error is required due to STM32F7xx_HAL_Driver.
-CFLAGS += -Wno-error=shadow 
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=shadow
 
 ST_HAL_DRIVER = hw/mcu/st/st_driver/STM32F7xx_HAL_Driver
 ST_CMSIS = hw/mcu/st/st_driver/CMSIS/Device/ST/STM32F7xx

hw/bsp/stm32f767nucleo/stm32f767nucleo.c

@@ -174,15 +174,16 @@ uint32_t board_button_read(void)
 
 int board_uart_read(uint8_t* buf, int len)
 {
+  (void) buf; (void) len;
   return 0;
 }
 
 int board_uart_write(void const * buf, int len)
 {
+  (void) buf; (void) len;
   return 0;
 }
 
-
 #if CFG_TUSB_OS  == OPT_OS_NONE
 volatile uint32_t system_ticks = 0;
 void SysTick_Handler (void)

hw/bsp/stm32h743nucleo/board.mk

@@ -9,6 +9,9 @@ CFLAGS += \
   -nostdlib -nostartfiles \
   -DCFG_TUSB_MCU=OPT_MCU_STM32H7
 
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=maybe-uninitialized
+
 ST_HAL_DRIVER = hw/mcu/st/st_driver/STM32H7xx_HAL_Driver
 ST_CMSIS = hw/mcu/st/st_driver/CMSIS/Device/ST/STM32H7xx
 

hw/bsp/stm32h743nucleo/stm32h743nucleo.c

@@ -197,11 +197,13 @@ uint32_t board_button_read(void)
 
 int board_uart_read(uint8_t* buf, int len)
 {
+  (void) buf; (void) len;
   return 0;
 }
 
 int board_uart_write(void const * buf, int len)
 {
+  (void) buf; (void) len;
   return 0;
 }
 

hw/bsp/stm32l0538disco/board.mk

@@ -9,6 +9,8 @@ CFLAGS += \
 	-DCFG_EXAMPLE_MSC_READONLY \
 	-DCFG_TUSB_MCU=OPT_MCU_STM32L0
 
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=unused-parameter -Wno-error=maybe-uninitialized
 
 ST_HAL_DRIVER = hw/mcu/st/st_driver/STM32L0xx_HAL_Driver
 ST_CMSIS = hw/mcu/st/st_driver/CMSIS/Device/ST/STM32L0xx

src/class/midi/midi_device.c

@@ -86,16 +86,19 @@ bool tud_midi_n_mounted (uint8_t itf)
 //--------------------------------------------------------------------+
 uint32_t tud_midi_n_available(uint8_t itf, uint8_t jack_id)
 {
+  (void) jack_id;
   return tu_fifo_count(&_midid_itf[itf].rx_ff);
 }
 
 uint32_t tud_midi_n_read(uint8_t itf, uint8_t jack_id, void* buffer, uint32_t bufsize)
 {
+  (void) jack_id;
   return tu_fifo_read_n(&_midid_itf[itf].rx_ff, buffer, bufsize);
 }
 
 void tud_midi_n_read_flush (uint8_t itf, uint8_t jack_id)
 {
+  (void) jack_id;
   tu_fifo_clear(&_midid_itf[itf].rx_ff);
 }
 
@@ -128,6 +131,8 @@ void midi_rx_done_cb(midid_interface_t* midi, uint8_t const* buffer, uint32_t bu
 
 static bool maybe_transmit(midid_interface_t* midi, uint8_t itf_index)
 {
+  (void) itf_index;
+
   // skip if previous transfer not complete
   TU_VERIFY( !usbd_edpt_busy(TUD_OPT_RHPORT, midi->ep_in) );
 
@@ -309,11 +314,15 @@ bool midid_open(uint8_t rhport, tusb_desc_interface_t const * p_interface_desc,
 
 bool midid_control_complete(uint8_t rhport, tusb_control_request_t const * p_request)
 {
-  return false;
+  (void) rhport;
+  (void) p_request;
+  return true;
 }
 
 bool midid_control_request(uint8_t rhport, tusb_control_request_t const * p_request)
 {
+  (void) rhport;
+
   //------------- Class Specific Request -------------//
   if (p_request->bmRequestType_bit.type != TUSB_REQ_TYPE_CLASS) return false;
 
@@ -322,6 +331,8 @@ bool midid_control_request(uint8_t rhport, tusb_control_request_t const * p_requ
 
 bool midid_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes)
 {
+  (void) result;
+
   // TODO Support multiple interfaces
   uint8_t const itf = 0;
   midid_interface_t* p_midi = &_midid_itf[itf];

src/osal/osal_none.h

@@ -145,6 +145,8 @@ typedef osal_queue_def_t* osal_queue_t;
 // lock queue by disable usb isr
 static inline void _osal_q_lock(osal_queue_t qhdl)
 {
+  (void) qhdl;
+
 #if TUSB_OPT_DEVICE_ENABLED
   if (qhdl->role == OPT_MODE_DEVICE) dcd_int_disable(TUD_OPT_RHPORT);
 #endif
@@ -157,6 +159,8 @@ static inline void _osal_q_lock(osal_queue_t qhdl)
 // unlock queue
 static inline void _osal_q_unlock(osal_queue_t qhdl)
 {
+  (void) qhdl;
+
 #if TUSB_OPT_DEVICE_ENABLED
   if (qhdl->role == OPT_MODE_DEVICE) dcd_int_enable(TUD_OPT_RHPORT);
 #endif

src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c

@@ -103,17 +103,17 @@
 
 #include "tusb_option.h"
 
-#define STM32F1_FSDEV   ( \
-    defined(STM32F102x6) || defined(STM32F102xB) || \
+#if defined(STM32F102x6) || defined(STM32F102xB) || \
     defined(STM32F103x6) || defined(STM32F103xB) || \
-    defined(STM32F103xE) || defined(STM32F103xG)   \
-)
+    defined(STM32F103xE) || defined(STM32F103xG)
+#define STM32F1_FSDEV
+#endif
 
 #if (TUSB_OPT_DEVICE_ENABLED) && ( \
-      (CFG_TUSB_MCU == OPT_MCU_STM32F0                  ) || \
-      (CFG_TUSB_MCU == OPT_MCU_STM32F1 && STM32F1_FSDEV ) || \
-      (CFG_TUSB_MCU == OPT_MCU_STM32F3                  ) || \
-      (CFG_TUSB_MCU == OPT_MCU_STM32L0                  ) \
+      (CFG_TUSB_MCU == OPT_MCU_STM32F0                          ) || \
+      (CFG_TUSB_MCU == OPT_MCU_STM32F1 && defined(STM32F1_FSDEV)) || \
+      (CFG_TUSB_MCU == OPT_MCU_STM32F3                          ) || \
+      (CFG_TUSB_MCU == OPT_MCU_STM32L0                          ) \
     )
 
 // In order to reduce the dependance on HAL, we undefine this.

src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h

@@ -52,7 +52,7 @@
   // 070RB:    2 x 16 bits/word memory     LPM Support, BCD Support
   // PMA dedicated to USB (no sharing with CAN)
 
-#elif STM32F1_FSDEV
+#elif defined(STM32F1_FSDEV)
   #include "stm32f1xx.h"
   #define PMA_LENGTH (512u)
   // NO internal Pull-ups

src/portable/st/synopsys/dcd_synopsys.c

@@ -27,19 +27,19 @@
 
 #include "tusb_option.h"
 
-#define STM32L4_SYNOPSYS    (                                                  \
-    defined (STM32L475xx) || defined (STM32L476xx) ||                          \
+#if defined (STM32L475xx) || defined (STM32L476xx) ||                          \
     defined (STM32L485xx) || defined (STM32L486xx) || defined (STM32L496xx) || \
     defined (STM32L4R5xx) || defined (STM32L4R7xx) || defined (STM32L4R9xx) || \
-    defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined (STM32L4S9xx)    \
-)
+    defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined (STM32L4S9xx)
+#define STM32L4_SYNOPSYS
+#endif
 
 #if TUSB_OPT_DEVICE_ENABLED && \
     ( CFG_TUSB_MCU == OPT_MCU_STM32F2 || \
       CFG_TUSB_MCU == OPT_MCU_STM32F4 || \
       CFG_TUSB_MCU == OPT_MCU_STM32F7 || \
       CFG_TUSB_MCU == OPT_MCU_STM32H7 || \
-      (CFG_TUSB_MCU == OPT_MCU_STM32L4 && STM32L4_SYNOPSYS) \
+      (CFG_TUSB_MCU == OPT_MCU_STM32L4 && defined(STM32L4_SYNOPSYS)) \
     )
 
 // TODO Support OTG_HS

tools/build_all.py

@@ -46,13 +46,13 @@ for example in all_examples:
         build_result = build_example(example, board)
         build_duration = time.monotonic() - start_time
 
-        if build_result.returncode != 0:
+        if build_result.returncode == 0:
+            success = "\033[32msucceeded\033[0m"
+            success_count += 1
+        else:
             exit_status = build_result.returncode
             success = "\033[31mfailed\033[0m   "
             fail_count += 1
-        else:
-            success = "\033[32msucceeded\033[0m"
-            success_count += 1
 
         if travis:
             print('travis_fold:start:build-{}-{}\\r'.format(example, board))