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Thank you in advance. My idea is to use an interrupt to trigger a task Why interrupt can work well but the signal can't trigger task? Is there any one can help me?
Are you using os_send_signal() instead of isr_send_signal()? Interrupt service routines are only allowed to call the isr_* versions of the functions. Here's a thread with someone with a similar problem: http://www.keil.com/forum/docs/thread1561.asp
Drew Davis, Let me express my sincere thanks to you. My program is working very well now.