电机驱动程序，调试出现error34错误

hexapus

[mw_shl_code=c,true]#include "sys.h"[/mw_shl_code] [mw_shl_code=c,true]#include "delay.h" #include "usart.h" #include "L298N.h" int main(void) { unsigned int i = 0; unsigned char k = 0; unsigned short two_eight_pos[8]={0x000e,0x000c,0x000d,0x0009,0x000b,0x0003,0x0007,0x0006};//2 phases 8 paces positive orbiting unsigned short two_eight_rev[8]={0x0006,0x0007,0x0003,0x000b,0x0009,0x000d,0x000c,0x000e};//2 phases 8 paces reverse orbiting delay_init(); L298N_init(); while(1) { for(i=0;i<400;i++) { for(k=0;k<8;k++) { SetPace_L298N(two_eight_pos[k]); delay_ms(5); } } for(i=0;i<400;i++) { for(k=0;k<8;k++) { SetPace_L298N(two_eight_rev[k]); delay_ms(5); } } } } [/mw_shl_code]

驱动L298N带动的42步进电机
调试时报错
Set JLink Project File to "D:\Documents\Robo\zhr\L298Ndriver\user\JLinkSettings.ini"* JLink Info: Device "STM32F103RB" selected (128 KB flash, 20 KB RAM).
 
JLink info:
------------
DLL: V4.50l, compiled Jul  9 2012 15:02:49
Firmware: J-Link ARM V8 compiled Jun 19 2012 11:29:30
Hardware: V8.00
S/N : 304230680 
Feature(s) : RDI,FlashDL,FlashBP,JFlash,GDBFULL 
 
* JLink Info: Found SWD-DP with ID 0x1BA01477
* JLink Info: Found SWD-DP with ID 0x1BA01477
* JLink Info: TPIU fitted.
* JLink Info: ETM fitted.
* JLink Info: FPUnit: 6 code (BP) slots and 2 literal slots
* JLink Info: Found Cortex-M3 r1p1, Little endian.
ROMTableAddr = 0xE00FF003
 
Target info:
------------
Device: STM32F103RB
VTarget = 3.313V
State of Pins: TCK: 0, TDI: 1, TDO: 0, TMS: 1, TRES: 1, TRST: 1
Hardware-Breakpoints: 6
Software-Breakpoints: 8192
Watchpoints:          4
JTAG speed: 4000 kHz
 
Load "..\\obj\\test.axf" 
LA ((portc & 0x00000001) & 0x1) >> 0
_____^
*** error 34: undefined identifier

运行到delay.c里的
void delay_ms(u16 nms)
{
u32 temp;
SysTick->LOAD=(u32)nms*fac_ms;
SysTick->VAL=0x00;
SysTick->CTRL|=SysTick_CTRL_ENABLE_Msk;//运行到这行停止了
do 
{
temp=SysTick->CTRL;
} while (temp&0x01&&!(temp&(1<<16)));
SysTick->CTRL&=~SysTick_CTRL_ENABLE_Msk;
SysTick->VAL=0x00;
}

正点原子

看不出问题...