fix build warning with clang

Author: hathach

examples/device/cdc_msc_freertos/src/msc_disk.c

@@ -299,13 +299,11 @@ int32_t tud_msc_write10_cb(uint8_t lun, uint32_t lba, uint32_t offset, uint8_t*
     return TUD_MSC_RET_ERROR;
   }
 
-  #ifdef CFG_EXAMPLE_MSC_READONLY
+#ifdef CFG_EXAMPLE_MSC_READONLY
   (void) lun;
   (void) buffer;
   return bufsize;
-  #endif
-
-  #if CFG_EXAMPLE_MSC_ASYNC_IO
+#elif CFG_EXAMPLE_MSC_ASYNC_IO
   io_ops_t io_ops = {.is_read = false, .lun = lun, .lba = lba, .offset = offset, .buffer = buffer, .bufsize = bufsize};
 
   // Send IO operation to IO task
@@ -318,7 +316,7 @@ int32_t tud_msc_write10_cb(uint8_t lun, uint32_t lba, uint32_t offset, uint8_t*
   tusb_time_delay_ms_api(CFG_EXAMPLE_MSC_IO_DELAY_MS);
 
   return bufsize;
-  #endif
+#endif
 }
 
 // Callback invoked when received an SCSI command not in built-in list below

examples/dual/host_info_to_device_cdc/src/main.c

@@ -218,9 +218,7 @@ static void print_device_info(uint8_t daddr, const tusb_desc_device_t* desc_devi
   cdc_printf("\r\n");
 
   cdc_printf("  iSerialNumber       %u     "     , desc_device->iSerialNumber);
-  cdc_printf((char*)serial); // serial is already to UTF-8
-  cdc_printf("\r\n");
-
+  cdc_printf("%s \r\n", (char*)serial); // serial is already to UTF-8
   cdc_printf("  bNumConfigurations  %u\r\n"     , desc_device->bNumConfigurations);
 }
 
@@ -310,5 +308,5 @@ static void print_utf16(uint16_t *temp_buf, size_t buf_len) {
   _convert_utf16le_to_utf8(temp_buf + 1, utf16_len, (uint8_t *) temp_buf, sizeof(uint16_t) * buf_len);
   ((uint8_t*) temp_buf)[utf8_len] = '\0';
 
-  cdc_printf((char*) temp_buf);
+  cdc_printf("%s", (char*) temp_buf);
 }

hw/bsp/imxrt/family.c

@@ -249,6 +249,7 @@ TU_ATTR_UNUSED void _start(void) {
 
 #ifdef __clang__
 void _exit(int __status) {
+  (void) __status;
   while (1) {}
 }
 #endif

hw/bsp/stm32h7/boards/stm32h743eval/board.h

@@ -214,14 +214,18 @@ static int32_t i2c_writereg(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint
   return 0;
 }
 
+static int32_t i2c_get_tick(void) {
+  return (int32_t) HAL_GetTick();
+}
+
 static inline void board_init2(void) {
   // IO control via MFX
   MFXSTM32L152_IO_t io_ctx;
   io_ctx.Init        = board_i2c_init;
   io_ctx.DeInit      = board_i2c_deinit;
   io_ctx.ReadReg     = i2c_readreg;
   io_ctx.WriteReg    = i2c_writereg;
-  io_ctx.GetTick     = (MFXSTM32L152_GetTick_Func) HAL_GetTick;
+  io_ctx.GetTick     = i2c_get_tick;
 
   uint16_t i2c_addr[] = { 0x84, 0x86 };
   for(uint8_t i = 0U; i < 2U; i++) {