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faq [2015/04/04 11:30] – [Questions Related to the Runtime Library] ursgraf | faq [2022/11/24 16:30] (current) – [Questions Related to the Development Environment] ursgraf | ||
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===== Questions Related to the Development Environment ===== | ===== Questions Related to the Development Environment ===== | ||
<box 100% | **Question: | <box 100% | **Question: | ||
- | Press the button " | + | Press the button " |
- | </ | + | |
- | + | ||
- | <box 100% | **Question:** LED on 555 board blinks?> | + | |
- | This can have several causes. At boot time, the code section is checked for proper content. If this check fails, the LED starts blinking and the program execution stops. \\ | + | |
- | Later on when a stack check fails, the LED blinks with a different blink pattern. | + | |
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+ | <box 100% | **Question: | ||
+ | To inquire the load of your system together with all active tasks go to [[eclipse: | ||
+ | </ | ||
===== Questions Related to the Runtime Library ===== | ===== Questions Related to the Runtime Library ===== | ||
<box 100% | **Question: | <box 100% | **Question: | ||
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</ | </ | ||
- | <box 100% | **Question: | + | <box 100% | **Question: |
+ | This can have several causes, see [[runtime_library: | ||
+ | Later on when a stack check fails, the LED blinks with a different blink pattern. The blinking can also indicate that a java exception occurred. | ||
+ | </ | ||
+ | |||
+ | <box 100% | **Question: | ||
Make sure that the reset pin of the processor is not connected to ground. The reset signal will be internally tied to ground for a certain time until it is released. | Make sure that the reset pin of the processor is not connected to ground. The reset signal will be internally tied to ground for a certain time until it is released. | ||
</ | </ | ||
- | <box 100% | **Question: | + | <box 100% | **Question: |
The inputs Int5, Int6 and Int7 must not be tied to Gnd at startup. If so, the processor will choose a wrong mode and the PLL cannot lock. Debugging is possible, but the processor runs in limp mode. | The inputs Int5, Int6 and Int7 must not be tied to Gnd at startup. If so, the processor will choose a wrong mode and the PLL cannot lock. Debugging is possible, but the processor runs in limp mode. | ||
</ | </ |