Upstream/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2024-12-20 16:18:49 +01:00
Code Issues Projects Releases Wiki Activity

[core] Move delay_microseconds_safe to iram (#7957)

Browse Source 
Co-authored-by: Jonathan Swoboda <jonathan.swoboda>
This commit is contained in:
Jonathan Swoboda 2024-12-13 14:45:10 -05:00 committed by GitHub
parent 42bc960a36
commit c187cb547c
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
esphome/core/helpers.cpp
View File

@ -767,7 +767,8 @@ bool mac_address_is_valid(const uint8_t *mac) {
return !(is_all_zeros || is_all_ones); return !(is_all_zeros || is_all_ones);
} }
void delay_microseconds_safe(uint32_t us) { // avoids CPU locks that could trigger WDT or affect WiFi/BT stability void IRAM_ATTR HOT delay_microseconds_safe(uint32_t us) {
// avoids CPU locks that could trigger WDT or affect WiFi/BT stability
uint32_t start = micros(); uint32_t start = micros();
const uint32_t lag = 5000; // microseconds, specifies the maximum time for a CPU busy-loop. const uint32_t lag = 5000; // microseconds, specifies the maximum time for a CPU busy-loop.