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desperate attempt for 8266 survival

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* bring back UREAL_MATH (inaccuate, but smaller flash)
* typing to tune feature sets so they fit into small 8266 models
This commit is contained in:
Frank
2025-11-24 15:50:04 +01:00
parent eba5c2f8a1
commit 384cbec86e
3 changed files with 49 additions and 22 deletions
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53
platformio.ini
View File

@@ -1428,10 +1428,14 @@ upload_speed = 460800 ;115200
board_build.f_cpu = 160000000L ;; we want 160Mhz (default = 80Mhz) board_build.f_cpu = 160000000L ;; we want 160Mhz (default = 80Mhz)
build_flags = ${common.build_flags_esp8266} build_flags = ${common.build_flags_esp8266}
-D WLED_RELEASE_NAME=esp8266_2MB_S -D WLED_RELEASE_NAME=esp8266_2MB_S
-D WLED_USE_UNREAL_MATH ;; may cause some wrong sunset/sunrise times, but saves 7064 bytes FLASH and 975 bytes RAM
-D WLEDMM_SAVE_FLASH
-D WLED_DISABLE_ALEXA -D WLED_DISABLE_ALEXA
-D WLED_DISABLE_HUESYNC -D WLED_DISABLE_HUESYNC
-D WLED_DISABLE_ESPNOW ;; might help in case of WiFi connectivity problems -D WLED_DISABLE_ESPNOW ;; might help in case of WiFi connectivity problems
-D WLED_DISABLE_LOXONE ; FLASH 1272 bytes -D WLED_DISABLE_LOXONE ; FLASH 1272 bytes
-D WLED_DISABLE_PARTICLESYSTEM1D ;; exceeds flash size limit
-D WLED_DISABLE_PARTICLESYSTEM2D ;; exceeds flash size limit
;; -D WLED_DISABLE_MQTT ; RAM 216 bytes; FLASH 16496 bytes ;; -D WLED_DISABLE_MQTT ; RAM 216 bytes; FLASH 16496 bytes
;; -D WLED_DISABLE_INFRARED ;RAM 136 bytes; FLASH 24492 bytes ;; -D WLED_DISABLE_INFRARED ;RAM 136 bytes; FLASH 24492 bytes
; -D WLED_DISABLE_2D ; -D WLED_DISABLE_2D
@@ -1440,8 +1444,8 @@ build_flags = ${common.build_flags_esp8266}
; -D WLED_DEBUG ; -D WLED_DEBUG
; monitor_filters = esp8266_exception_decoder ; monitor_filters = esp8266_exception_decoder
;; lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation ;; lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
; RAM: [====== ] 60.8% (used 49836 bytes from 81920 bytes) ; RAM: [====== ] 61.3% (used 50224 bytes from 81920 bytes)
; Flash: [======== ] 83.3% (used 869783 bytes from 1044464 bytes) ; Flash: [========= ] 87.6% (used 915303 bytes from 1044464 bytes)
[env:esp8266_4MB_S] [env:esp8266_4MB_S]
extends = env:d1_mini extends = env:d1_mini
@@ -1456,13 +1460,17 @@ build_flags = ${common.build_flags_esp8266}
;; -D WLED_DISABLE_MQTT ; RAM 216 bytes; FLASH 16496 bytes ;; -D WLED_DISABLE_MQTT ; RAM 216 bytes; FLASH 16496 bytes
;; -D WLED_DISABLE_INFRARED ;RAM 136 bytes; FLASH 24492 bytes ;; -D WLED_DISABLE_INFRARED ;RAM 136 bytes; FLASH 24492 bytes
; -D WLED_DISABLE_2D ; -D WLED_DISABLE_2D
;; -D WLED_DISABLE_PARTICLESYSTEM1D
-D WLED_DISABLE_PARTICLESYSTEM2D ;; exceeds flash size limit
-D WLEDMM_SAVE_FLASH
-D WLED_USE_UNREAL_MATH
; -UWLED_USE_MY_CONFIG ; -UWLED_USE_MY_CONFIG
${common_mm.NetDebug_build_flags} ${common_mm.NetDebug_build_flags}
; -D WLED_DEBUG ; -D WLED_DEBUG
; monitor_filters = esp8266_exception_decoder ; monitor_filters = esp8266_exception_decoder
;; lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation ;; lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
; RAM: [====== ] 60.8% (used 49824 bytes from 81920 bytes) ; RAM: [====== ] 61.3% (used 50220 bytes from 81920 bytes)
; Flash: [======== ] 83.3% (used 869779 bytes from 1044464 bytes) ; Flash: [========= ] 89.5% (used 934483 bytes from 1044464 bytes)
[env:esp8266_4MB_M] [env:esp8266_4MB_M]
extends = env:d1_mini extends = env:d1_mini
upload_speed = 460800 ;115200 upload_speed = 460800 ;115200
@@ -1472,6 +1480,10 @@ build_flags = ${common.build_flags_esp8266}
-D WLED_DISABLE_ALEXA -D WLED_DISABLE_ALEXA
-D WLED_DISABLE_HUESYNC -D WLED_DISABLE_HUESYNC
-D WLED_DISABLE_LOXONE -D WLED_DISABLE_LOXONE
-D WLEDMM_SAVE_FLASH
-D WLED_USE_UNREAL_MATH
;; -D WLED_DISABLE_PARTICLESYSTEM1D
;; -D WLED_DISABLE_PARTICLESYSTEM2D ;; exceeds flash size limit
; -D USERMOD_AUDIOREACTIVE ; -D USERMOD_AUDIOREACTIVE
; -UWLED_USE_MY_CONFIG ; -UWLED_USE_MY_CONFIG
; -D USERMOD_PIRSWITCH ; -D USERMOD_PIRSWITCH
@@ -1492,8 +1504,8 @@ lib_deps = ${esp8266.lib_deps}
OneWire@~2.3.5 ; used for USERMOD_FOUR_LINE_DISPLAY and USERMOD_DALLASTEMPERATURE OneWire@~2.3.5 ; used for USERMOD_FOUR_LINE_DISPLAY and USERMOD_DALLASTEMPERATURE
olikraus/U8g2 @ ^2.28.8 ; used for USERMOD_FOUR_LINE_DISPLAY olikraus/U8g2 @ ^2.28.8 ; used for USERMOD_FOUR_LINE_DISPLAY
ElectronicCats/MPU6050 @ 0.6.0 ; used for USERMOD_MPU6050_IMU ElectronicCats/MPU6050 @ 0.6.0 ; used for USERMOD_MPU6050_IMU
; RAM: [====== ] 63.0% (used 51632 bytes from 81920 bytes) ; RAM: [====== ] 63.0% (used 51608 bytes from 81920 bytes)
; Flash: [========= ] 88.5% (used 924179 bytes from 1044464 bytes) ; Flash: [========= ] 94.9% (used 991039 bytes from 1044464 bytes)
; Blaz env (for reference purposes) ; Blaz env (for reference purposes)
[env:d1_mini_temp] [env:d1_mini_temp]
@@ -1503,7 +1515,6 @@ build_flags = ${common.build_flags_esp8266} -D WLED_RELEASE_NAME=ESP8266
-D WLED_DISABLE_ALEXA -D WLED_DISABLE_ALEXA
-D WLED_DISABLE_HUESYNC -D WLED_DISABLE_HUESYNC
-D WLED_DISABLE_LOXONE -D WLED_DISABLE_LOXONE
-D WLED_DISABLE_AUDIO ;WLEDMM not used anywhere
-D WLED_ENABLE_SIMPLE_UI -D WLED_ENABLE_SIMPLE_UI
-D USERMOD_FOUR_LINE_DISPLAY -D USERMOD_FOUR_LINE_DISPLAY
-D USE_ALT_DISPlAY -D USE_ALT_DISPlAY
@@ -1540,6 +1551,10 @@ build_flags = ${common.build_flags_esp8266}
-D WLED_DISABLE_ALEXA -D WLED_DISABLE_ALEXA
-D WLED_DISABLE_HUESYNC -D WLED_DISABLE_HUESYNC
; -D WLED_DEBUG ${common.debug_flags} ;; un-comment for debug messages ; -D WLED_DEBUG ${common.debug_flags} ;; un-comment for debug messages
;; -D WLED_DISABLE_PARTICLESYSTEM1D
;; -D WLED_DISABLE_PARTICLESYSTEM2D ;; exceeds flash size limit
-D WLEDMM_SAVE_FLASH
;; -D WLED_USE_UNREAL_MATH
${common_mm.NetDebug_build_flags} ${common_mm.NetDebug_build_flags}
;; -D WLED_DISABLE_ESPNOW ;; might help in case of WiFi connectivity problems ;; -D WLED_DISABLE_ESPNOW ;; might help in case of WiFi connectivity problems
; -D WLED_DISABLE_LOXONE ; FLASH 1272 bytes ; -D WLED_DISABLE_LOXONE ; FLASH 1272 bytes
@@ -1551,8 +1566,8 @@ build_flags = ${common.build_flags_esp8266}
; -UWLED_USE_MY_CONFIG ; -UWLED_USE_MY_CONFIG
monitor_filters = esp8266_exception_decoder monitor_filters = esp8266_exception_decoder
; lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation ; lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
; RAM: [====== ] 59.3% (used 48616 bytes from 81920 bytes) ; RAM: [====== ] 61.5% (used 50400 bytes from 81920 bytes)
; Flash: [======== ] 77.0% (used 804236 bytes from 1044464 bytes) ; Flash: [========= ] 90.1% (used 941059 bytes from 1044464 bytes)
[env:esp8266pro_16MB_M] [env:esp8266pro_16MB_M]
extends = env:d1_mini extends = env:d1_mini
@@ -1572,7 +1587,11 @@ build_flags = ${common.build_flags_esp8266}
-D WLED_DISABLE_LOXONE -D WLED_DISABLE_LOXONE
; -D USERMOD_AUDIOREACTIVE ; -D USERMOD_AUDIOREACTIVE
; -D USERMOD_ARTIFX ; to be done ; -D USERMOD_ARTIFX ; to be done
;; -D WLED_DISABLE_ESPNOW ;; might help in case of WiFi connectivity problems -D WLED_DISABLE_ESPNOW ;; might help in case of WiFi connectivity problems
;; -D WLED_DISABLE_PARTICLESYSTEM1D
-D WLED_DISABLE_PARTICLESYSTEM2D ;; exceeds flash size limit
-D WLEDMM_SAVE_FLASH
;; -D WLED_USE_UNREAL_MATH
-D USERMOD_PIRSWITCH -D USERMOD_PIRSWITCH
-D USERMOD_DALLASTEMPERATURE ;; disabled because it hangs during usermod setup on -S3 (autodetect broken?) -D USERMOD_DALLASTEMPERATURE ;; disabled because it hangs during usermod setup on -S3 (autodetect broken?)
-D USERMOD_MULTI_RELAY -D USERMOD_MULTI_RELAY
@@ -1587,8 +1606,8 @@ lib_deps = ${esp8266.lib_deps}
OneWire@~2.3.5 ; used for USERMOD_FOUR_LINE_DISPLAY and USERMOD_DALLASTEMPERATURE OneWire@~2.3.5 ; used for USERMOD_FOUR_LINE_DISPLAY and USERMOD_DALLASTEMPERATURE
olikraus/U8g2 @ ^2.28.8 ; used for USERMOD_FOUR_LINE_DISPLAY olikraus/U8g2 @ ^2.28.8 ; used for USERMOD_FOUR_LINE_DISPLAY
ElectronicCats/MPU6050 @ 0.6.0 ; used for USERMOD_MPU6050_IMU ElectronicCats/MPU6050 @ 0.6.0 ; used for USERMOD_MPU6050_IMU
; RAM: [====== ] 63.8% (used 52272 bytes from 81920 bytes) ; RAM: [====== ] 62.9% (used 51508 bytes from 81920 bytes)
; Flash: [========= ] 90.4% (used 944487 bytes from 1044464 bytes) ; Flash: [==========] 96.2% (used 1005115 bytes from 1044464 bytes)
[env:esp01_1MB_S] [env:esp01_1MB_S]
board = esp01_1m board = esp01_1m
@@ -1598,17 +1617,21 @@ board_build.ldscript = ${common.ldscript_1m128k}
build_unflags = ${common.build_unflags} build_unflags = ${common.build_unflags}
build_flags = ${common.build_flags_esp8266} -D WLED_DISABLE_OTA build_flags = ${common.build_flags_esp8266} -D WLED_DISABLE_OTA
-D WLED_RELEASE_NAME=esp01_1MB_S -D WLED_RELEASE_NAME=esp01_1MB_S
-D WLED_USE_UNREAL_MATH ;; may cause some wrong sunset/sunrise times, but saves 7064 bytes FLASH and 975 bytes RAM
-D WLED_DISABLE_ALEXA -D WLED_DISABLE_ALEXA
-D WLED_DISABLE_HUESYNC -D WLED_DISABLE_HUESYNC
-D WLED_DISABLE_ESPNOW ;; exceeds flash size limits -D WLED_DISABLE_ESPNOW ;; exceeds flash size limits
-D WLED_DISABLE_INFRARED ;; exceeds flash size limits -D WLED_DISABLE_INFRARED ;; exceeds flash size limits
-D WLED_DISABLE_PARTICLESYSTEM1D ;; exceeds flash size limit -D WLED_DISABLE_PARTICLESYSTEM1D ;; exceeds flash size limit
-D WLED_DISABLE_PARTICLESYSTEM2D ;; exceeds flash size limit -D WLED_DISABLE_PARTICLESYSTEM2D ;; exceeds flash size limit
-D WLEDMM_SAVE_FLASH
;; -D WLED_DISABLE_LOXONE
;; -D WLED_DISABLE_MQTT
;; -D WLED_DISABLE_2D ;; last resort to reduce flash size
lib_deps = ${esp8266.lib_deps} lib_deps = ${esp8266.lib_deps}
lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
; RAM: [====== ] 60.6% (used 49616 bytes from 81920 bytes) ; RAM: [====== ] 60.3% (used 49408 bytes from 81920 bytes)
; Flash: [==========] 99.8% (used 890835 bytes from 892912 bytes) ; Flash: [==========] 98.6% (used 880331 bytes from 892912 bytes)
# ------------------------------------------------------------------------------ # ------------------------------------------------------------------------------

16
wled00/fcn_declare.h
View File

@@ -484,16 +484,19 @@ uint8_t cos8_t(uint8_t theta);
float sin_approx(float theta); // uses integer math (converted to float), accuracy +/-0.0015 (compared to sinf()) float sin_approx(float theta); // uses integer math (converted to float), accuracy +/-0.0015 (compared to sinf())
float cos_approx(float theta); float cos_approx(float theta);
float tan_approx(float x); float tan_approx(float x);
//float atan2_t(float y, float x); #if defined(WLED_USE_UNREAL_MATH)
//float acos_t(float x); float atan2_t(float y, float x);
//float asin_t(float x); float acos_t(float x);
//template <typename T> T atan_t(T x); float asin_t(float x);
//float floor_t(float x); template <typename T> T atan_t(T x);
//float fmod_t(float num, float denom); float floor_t(float x);
float fmod_t(float num, float denom);
#endif
#define sin_t sin_approx #define sin_t sin_approx
#define cos_t cos_approx #define cos_t cos_approx
#define tan_t tan_approx #define tan_t tan_approx
#if !defined(WLED_USE_UNREAL_MATH)
#include <math.h> // standard math functions. use a lot of flash #include <math.h> // standard math functions. use a lot of flash
#define atan2_t atan2f #define atan2_t atan2f
#define asin_t asinf #define asin_t asinf
@@ -501,6 +504,7 @@ float tan_approx(float x);
#define atan_t atanf #define atan_t atanf
#define fmod_t fmodf #define fmod_t fmodf
#define floor_t floorf #define floor_t floorf
#endif
/* /*
#define sin_t sinf #define sin_t sinf
#define cos_t cosf #define cos_t cosf

2
wled00/wled_math.cpp
View File

@@ -110,7 +110,7 @@ float tan_approx(float x) {
return res; return res;
} }
#if 0 // WLEDMM we prefer libm functions that are accurate and fast. #if defined(WLED_USE_UNREAL_MATH) // WLEDMM we prefer libm functions that are accurate and fast.
#define ATAN2_CONST_A 0.1963f #define ATAN2_CONST_A 0.1963f
#define ATAN2_CONST_B 0.9817f #define ATAN2_CONST_B 0.9817f