关于《使用VS code搭建AC781x开发环境》文档的疑问

C:\Users\ATC6180\Desktop\AC781x资料\例程\develop_tool_demo20200711\VSCode_Demo>make

  AS      Device/Source/ARM/startup_ac78xx.s

  CC      Device/Source/ac78xx_ckgen.c

  CC      Device/Source/ac78xx_spm.c

  CC      Device/Source/system_ac78xx.c

Device/Source/system_ac78xx.c: In function 'SysStandby':

Device/Source/system_ac78xx.c:459:5: warning: implicit declaration of function 'asm' [-Wimplicit-function-declaration]

     asm("WFI");

     ^~~

  CC      Device/Source/ac78xx_debugout.c

Device/Source/ac78xx_debugout.c: In function 'InitDebug':

Device/Source/ac78xx_debugout.c:153:5: warning: implicit declaration of function 'GPIO_SetFunc'; did you mean 'UART_SetFrac'? [-Wimplicit-function-declaration]

     GPIO_SetFunc(49, 1);

     ^~~~~~~~~~~~

     UART_SetFrac

In file included from ./Drivers/UART/ac78xx_uart.h:40:0,

                 from Device/Source/ac78xx_debugout.c:84:

Device/Source/ac78xx_debugout.c: At top level:

./Drivers/UART/ac78xx_uart_reg.h:1122:22: warning: 'UART_SetFrac' declared 'static' but never defined [-Wunused-function]

 __STATIC_INLINE void UART_SetFrac(UART_Type *UARTx, uint8_t uartFracL, uint8_t uartFracM);

                      ^~~~~~~~~~~~

Device/Source/ac78xx_debugout.c: In function 'debug_putchar':

Device/Source/ac78xx_debugout.c:104:1: warning: control reaches end of non-void function [-Wreturn-type]

 }

 ^

  CC      Device/Source/syscalls.c

  CC      Drivers/DMA/ac78xx_dma.c

  CC      Drivers/GPIO/ac78xx_gpio.c

  CC      Drivers/TIMER/ac78xx_timer.c

  CC      Drivers/UART/ac78xx_uart.c

In file included from Drivers/UART/ac78xx_uart.c:40:0:

Drivers/UART/ac78xx_uart_reg.h:1122:22: warning: 'UART_SetFrac' declared 'static' but never defined [-Wunused-function]

 __STATIC_INLINE void UART_SetFrac(UART_Type *UARTx, uint8_t uartFracL, uint8_t uartFracM);

                      ^~~~~~~~~~~~

  CC      Drivers/WDG/ac78xx_wdg.c

  CC      App/main.c

In file included from ./Drivers/UART/ac78xx_uart.h:40:0,

                 from App/main.c:50:

./Drivers/UART/ac78xx_uart_reg.h:1122:22: warning: 'UART_SetFrac' declared 'static' but never defined [-Wunused-function]

 __STATIC_INLINE void UART_SetFrac(UART_Type *UARTx, uint8_t uartFracL, uint8_t uartFracM);

                      ^~~~~~~~~~~~

In file included from App/main.c:49:0:

./Drivers/TIMER/ac78xx_timer.h:57:27: warning: 's_timerCallback' defined but not used [-Wunused-variable]

 static TIMER_CallbackType s_timerCallback[8] = {(TIMER_CallbackType)NULL};

                           ^~~~~~~~~~~~~~~

  LD      DEMO.elf

  OBJCOPY DEMO.bin

  OBJCOPY DEMO.hex



C:\Users\ATC6180\Desktop\AC781x资料\例程\develop_tool_demo20200711\VSCode_Demo>