Search found 2081 matches

by WiFive
Thu Nov 08, 2018 5:25 pm
Forum: General Discussion
Topic: Secondary boot loader version
Replies: 9
Views: 420

Re: Secondary boot loader version

You could calculate a checksum/hash of the bootloader partition and compare it to known values or check for the version string at known addresses (which will change depending on the version) or append the version to the end of the bootloader binary. But no I don't think any function is provided to d...
by WiFive
Thu Nov 08, 2018 3:31 am
Forum: General Discussion
Topic: SPI re-entrancy
Replies: 18
Views: 758

Re: SPI re-entrancy

@ESP_Sprite They are on different hosts though
by WiFive
Wed Nov 07, 2018 3:10 pm
Forum: General Discussion
Topic: [Tool Release] FLASH_DOWNLOAD_TOOL
Replies: 30
Views: 22114

Re: [Tool Release] FLASH_DOWNLOAD_TOOL

Read the PDF
by WiFive
Mon Nov 05, 2018 3:24 pm
Forum: Hardware
Topic: External power supply for ESP32 DevKit V1
Replies: 5
Views: 392

Re: External power supply for ESP32 DevKit V1

Just try it, it will probably work fine on stable 5v
by WiFive
Mon Nov 05, 2018 7:50 am
Forum: ESP32 IDF
Topic: SPI warning "Allocate RX buffer for DMA"
Replies: 4
Views: 223

Re: SPI warning "Allocate RX buffer for DMA"

Ok but it was probably luck your variable landed on a word boundary and it doesn't stop dma controller from corrupting data adjacent to your variable.
by WiFive
Mon Nov 05, 2018 1:35 am
Forum: General Discussion
Topic: Compiler flag oprion to change CPU FREQ ?
Replies: 4
Views: 226

Re: Compiler flag oprion to change CPU FREQ ?

How about calling esp_clk_cpu_freq to check? Gpio speed may be bottlenecked by peripheral bus.

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