您好,使用的开发板为AM5728,CCS版本为6.1.3。
我创建了一个DSP平台的BIOS工程,想进行点亮LED灯的实验,所以我先进行了使能工作,在调用Board_init()时出现了现在的问题。我的代码如下:
/* XDCtools Header files */
#include <xdc/std.h>
#include <xdc/cfg/global.h>
#include <xdc/runtime/Error.h>
#include <xdc/runtime/System.h> /* BIOS Header files */
#include <ti/sysbios/BIOS.h>
#include <ti/sysbios/knl/Task.h> #include <stdio.h> /* TI-RTOS Header files */
#include <ti/drv/gpio/GPIO.h>
#include <ti/drv/gpio/soc/GPIO_soc.h> #include "GPIO_board.h" #include <ti/board/board.h> /*
* ======== Board_initI2C ========
*/
static void Board_initGPIO(void) {
Board_initCfg boardCfg; boardCfg = BOARD_INIT_PINMUX_CONFIG | BOARD_INIT_MODULE_CLOCK
| BOARD_INIT_UART_STDIO; Board_init(boardCfg);
} /*
* ======== taskFxn ========
*/
Void taskFxn(UArg a0, UArg a1)
{
System_printf("enter taskFxn()\n"); Task_sleep(10); System_printf("exit taskFxn()\n"); System_flush(); /* force SysMin output to console */
} /*
* ======== main ========
*/
Int main()
{
Task_Handle task;
Error_Block eb; System_printf("enter main()\n"); /* Call board init functions */
Board_initGPIO(); Error_init(&eb);
task = Task_create(taskFxn, NULL, &eb);
if (task == NULL) {
System_printf("Task_create() failed!\n");
BIOS_exit(0);
} BIOS_start(); /* does not return */
return(0);
} 然后在编译过程中出现了如下信息: 'Building target: test_led1.out'
'Invoking: C6000 Linker'
"E:/CCS/ccsv6/tools/compiler/ti-cgt-c6000_8.1.0/bin/cl6x" -mv6600 -g --define=am5728 --define=SOC_AM572x --define=EVM_AM572x --define=USE_BIOS --define=C66X --define=NSS_GEN2 --define=core1 --diag_warning=225 --diag_wrap=off --display_error_number -z -m"test_led1.map" --heap_size=0x800 --stack_size=0x800 -i"E:/CCS/ccsv6/tools/compiler/ti-cgt-c6000_8.1.0/lib" -i"E:/CCS/ccsv6/tools/compiler/ti-cgt-c6000_8.1.0/include" --reread_libs --define=CORE1=1 --diag_wrap=off --display_error_number --warn_sections --xml_link_info="test_led1_linkInfo.xml" --rom_model -o "test_led1.out" "./GPIO_board.obj" "./main.obj" -l"configPkg/linker.cmd" -llibc.a
<Linking> undefined first referenced
symbol in file
--------- ----------------
Board_init ./main.obj error #10234-D: unresolved symbols remain
error #10010: errors encountered during linking; "test_led1.out" not built >> Compilation failure
makefile:140: recipe for target 'test_led1.out' failed
gmake: *** [test_led1.out] Error 1
gmake: Target 'all' not remade because of errors. **** Build Finished **** 可以确定的是头文件board.h是正确包含的,并且Board_init()在里面是有声明的。找到一些信息是说要关联相关的.c文件,但是我不清楚具体该怎么办。请问这种问题是怎么造成的,该怎么解决呢?非常感谢!
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