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8266 compatibility builds for older chips (another attempt t o solve #3690 and #3685)

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some users have reported that releases after 0.14.0 are not working reliably. So we add a few "compat" for 8266 that try to reproduce the buildenv of 0.14.0 as much as possible.

* platform and platform_packages from 0.14.0
* not using PIO_FRAMEWORK_ARDUINO_MMU_CACHE16_IRAM48
* due to smaller IRAM, we had to move some functions back from IRAM to normal flash (may cause slowdown)
This commit is contained in:
Frank
2024-09-04 11:38:03 +02:00
parent cb22e1933e
commit c1c707c77a
4 changed files with 74 additions and 12 deletions
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8
wled00/const.h
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@@ -628,4 +628,12 @@
#define HW_PIN_MISOSPI MISO
#endif
// IRAM_ATTR for 8266 with 32Kb IRAM causes error: section `.text1' will not fit in region `iram1_0_seg'
// this hack removes the IRAM flag for some 1D/2D functions - somewhat slower, but it solves problems with some older 8266 chips
#ifdef WLED_SAVE_IRAM
#define IRAM_ATTR_YN
#else
#define IRAM_ATTR_YN IRAM_ATTR
#endif
#endif