Search found 2 matches

by maplerian
Fri Dec 20, 2024 9:52 am
Forum: 硬件问题讨论
Topic: 上电出现死机问题
Replies: 1
Views: 8420

Re: 上电出现死机问题

我这边 s2 芯片也有这种情况, 参考你的问题和提供的思路, 最终定位是在EN脚上, 添加一个下拉在断电的情况下可以快速释放电压, 由于要上拉, 参考芯片手册要求的最低电压0.75*VDD, 最终采用比最低电压高0.2V左右来分压, 也能大大降低启动死机概率, 概率要比假负载低很多
by maplerian
Sat Apr 02, 2022 3:29 am
Forum: ESP-IDF
Topic: esp-idf linker script question
Replies: 2
Views: 4785

Re: esp-idf linker script question

auto_init.lf

[sections:auto_init]
entries:
.auto_init+

[scheme:auto_default]
entries:
auto_init -> dram0_data

[mapping:auto_init]
archive: *
entries:
* (auto_default);
auto_init -> dram0_data KEEP() ALIGN(4, pre, post) SURROUND(auto_init)

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