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boards:demov1 [2022/11/13 13:25] darron |
boards:demov1 [2022/11/14 00:02] darron [Test] |
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pin and provide a pulse for testing STM32 EXTI. | pin and provide a pulse for testing STM32 EXTI. | ||
- | For programming, | + | For programming, |
==Wiring== | ==Wiring== | ||
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</ | </ | ||
- | ==Reset== | + | From the RS232 perspective RTS is inverted so when picocom takes |
+ | the line low, it's actually a high logical output and the board | ||
+ | is taken out of reset. | ||
- | CTRL A CTRL G will change the RTS line state from high to low | + | ==Reset== |
- | to alter the reset line. | + | |
- | From the RS232 perspective it's inverted so when picocom says | + | Picocom CTRL A CTRL G will toggle |
- | the line is low, it's actually a high output and the device | + | |
- | is out of reset. | + | |
==Reboot== | ==Reboot== | ||
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==Pulse== | ==Pulse== | ||
- | CTRL A CTRL P will pulse the DTR pin from low to high for | + | Picocom |
1 second to test EXTI high or low edge. | 1 second to test EXTI high or low edge. | ||
=== Programming === | === Programming === | ||
- | Test SWD with J-Link | + | Use SWD with J-Link |
==J-Link== | ==J-Link== |