RT-Thread Studio_AB32VG1新建模板工程编译出现错误解决方法

鸣涧_GC96O

新建模板工程编译出现错误：

1. ../libraries/hal_drivers/drv_common.c: In function 'uart0_irq_post':
   
2. ../libraries/hal_drivers/drv_common.c:22:5: error: unknown type name 'uint8_t'; did you mean 'rt_uint8_t'?
   
3.    22 |     uint8_t mq_msg = MSG_UART0_IRQ;
   
4.       |     ^~~~~~~
   
5.       |     rt_uint8_t
   
6. ../libraries/hal_drivers/drv_common.c: In function 'uart1_irq_post':
   
7. ../libraries/hal_drivers/drv_common.c:29:5: error: unknown type name 'uint8_t'; did you mean 'rt_uint8_t'?
   
8.    29 |     uint8_t mq_msg = MSG_UART1_IRQ;
   
9.       |     ^~~~~~~
   
10.       |     rt_uint8_t
    
11. ../libraries/hal_drivers/drv_common.c: In function 'uart2_irq_post':
    
12. ../libraries/hal_drivers/drv_common.c:36:5: error: unknown type name 'uint8_t'; did you mean 'rt_uint8_t'?
    
13.    36 |     uint8_t mq_msg = MSG_UART2_IRQ;
    
14.       |     ^~~~~~~
    
15.       |     rt_uint8_t
    
16. ../libraries/hal_drivers/drv_common.c: In function 'drv_thread_entry':
    
17. ../libraries/hal_drivers/drv_common.c:42:5: error: unknown type name 'uint8_t'; did you mean 'rt_uint8_t'?
    
18.    42 |     uint8_t mq_msg = 0;
    
19.       |     ^~~~~~~
    
20.       |     rt_uint8_t
    
21. make: *** [libraries/hal_drivers/subdir.mk:24: libraries/hal_drivers/drv_common.o] Error 1
    
22. make: *** Waiting for unfinished jobs....
    
23. ../libraries/hal_drivers/drv_usart.c: In function 'rt_hw_usart_init':
    
24. ../libraries/hal_drivers/drv_usart.c:327:42: error: 'NULL' undeclared (first use in this function)
    
25.   327 |                                        , NULL);
    
26.       |                                          ^~~~
    
27. ../libraries/hal_drivers/drv_usart.c:20:1: note: 'NULL' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
    
28.    19 | #include <drv_log.h>
    
29.   +++ |+#include <stddef.h>
    
30.    20 |
    
31. ../libraries/hal_drivers/drv_usart.c:327:42: note: each undeclared identifier is reported only once for each function it appears in
    
32.   327 |                                        , NULL);
    
33.       |      
    
34.      ^~~~

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大意是：uint8_t  NULL 未定义

解决方法：
在出错的文件里增加头文件(添加在drv_common.h可一次性解决)

1. #include <stdint.h>
   
2. #include <stddef.h>

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重新编译成功

1. ........
   
2.    text    data     bss     dec     hex filename
   
3. 140572       0   78188  218760   35688 rtthread.elf
   
4. sh ../pre_build.sh
   
5. riscv32-elf-xmaker -b rtthread.xm
   
6. CODE SIZE: 147 KB
   
7. save file "rtthread.dcf" successful
   
8. riscv32-elf-xmaker -b download.xm
   
9. 18:39:02 Build Finished. 0 errors, 0 warnings. (took 7s.301ms)
   

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