Search found 3529 matches
- Mon May 02, 2022 5:46 pm
- Forum: ESP-IDF
- Topic: Custom bootloader
- Replies: 4
- Views: 4087
Re: Custom bootloader
1. the bootloader has to run completely from iram and 2. many components depend on freertos features. If you can use rom functions to do what you want, it would be easier.
- Tue Apr 26, 2022 4:59 am
- Forum: Hardware
- Topic: ESP32-U4WDH Single or Dual Core
- Replies: 1
- Views: 1422
Re: ESP32-U4WDH Single or Dual Core
The answer is right there in the footnote in the second image
- Tue Apr 26, 2022 4:55 am
- Forum: General Discussion
- Topic: Usage of ESP32 chipset family for periferal alarm system
- Replies: 1
- Views: 1192
Re: Usage of ESP32 chipset family for periferal alarm system
You would have to wake up from deep sleep periodically to send a "heartbeat" signal to make sure device is still functioning.
- Wed Apr 20, 2022 7:31 am
- Forum: Hardware
- Topic: custom board, flash problem, GPIO2 or GPIO12 preventing flashing
- Replies: 3
- Views: 2802
Re: custom board, flash problem, GPIO2 or GPIO12 preventing flashing
Set the efuse to avoid gpio12 problems
- Sun Apr 17, 2022 2:01 am
- Forum: General Discussion
- Topic: Software or Hardware 9 Bit
- Replies: 9
- Views: 4239
Re: Software or Hardware 9 Bit
Uart you can use rmt or ulp
- Fri Apr 15, 2022 5:34 pm
- Forum: General Discussion
- Topic: How can I build C project without FreeRTOS?
- Replies: 11
- Views: 6683
Re: How can I build C project without FreeRTOS?
You may want to look at the ports of zephyr, nuttx, rtthread, and aliOS.
- Wed Apr 13, 2022 9:56 pm
- Forum: Hardware
- Topic: current peaks during deepsleep
- Replies: 1
- Views: 1688
Re: current peaks during deepsleep
The touch controller will use power during its periodic cycle. It should not happen with a button.
- Tue Apr 12, 2022 9:40 pm
- Forum: General Discussion
- Topic: Need help for "Cache disabled but cached memory region accessed"
- Replies: 2
- Views: 2054
Re: Need help for "Cache disabled but cached memory region accessed"
the functions called in the isr have to be in iram too
- Thu Apr 07, 2022 6:12 pm
- Forum: ESP-IDF
- Topic: mbedtls_calloc returns MBEDTLS_ERR_SSL_ALLOC_FAILED even when enough heap is available
- Replies: 1
- Views: 1911
Re: mbedtls_calloc returns MBEDTLS_ERR_SSL_ALLOC_FAILED even when enough heap is available
You have to also check for largest free block because heap might be fragmented.
- Thu Apr 07, 2022 6:08 pm
- Forum: ESP-IDF
- Topic: ESP32C3 Eco4 details ?
- Replies: 3
- Views: 2684