Remove Espruino's built-in strcpy/etc

Remove Espruino's built-in maths Add basic Taylor series sin and atan for when we're trying to save memory
espruino · Mar 4, 2016 · 9781bac · 9781bac
1 parent b57e842
commit 9781bac
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Showing 65 changed files with 106 additions and 12,217 deletions.
diff --git a/ChangeLog b/ChangeLog
@@ -1,6 +1,9 @@
      1v86 : Compile Telnet server into linux by default, Add '--telnet' command-line option to enable it
             Fix lock 'leak' in Telnet when Telnet is turned off
             Create errors for unterminated expressions (fix #814)
+            Remove Espruino's built-in strcpy/etc
+            Remove Espruino's built-in maths
+            Add basic Taylor series sin and atan for when we're trying to save memory  
 
      1v85 : Ensure HttpServerResponse.writeHead actually sends the header right away
              - enables WebSocket Server support from JS

diff --git a/Makefile b/Makefile
@@ -67,7 +67,7 @@ MAKEFLAGS=-j5 # multicore
 endif
 
 INCLUDE=-I$(ROOT) -I$(ROOT)/targets -I$(ROOT)/src -I$(ROOT)/gen
-LIBS=
+LIBS=-lm # Maths
 DEFINES=
 CFLAGS=-Wall -Wextra -Wconversion -Werror=implicit-function-declaration -fno-strict-aliasing
 LDFLAGS=-Winline
@@ -829,48 +829,6 @@ ifdef USE_MATH
 DEFINES += -DUSE_MATH
 INCLUDE += -I$(ROOT)/libs/math
 WRAPPERSOURCES += libs/math/jswrap_math.c
-ifndef LINUX
-SOURCES += \
-libs/math/acosh.c \
-libs/math/asin.c \
-libs/math/asinh.c \
-libs/math/atan.c \
-libs/math/atanh.c \
-libs/math/cbrt.c \
-libs/math/chbevl.c \
-libs/math/clog.c \
-libs/math/cmplx.c \
-libs/math/const.c \
-libs/math/cosh.c \
-libs/math/drand.c \
-libs/math/exp10.c \
-libs/math/exp2.c \
-libs/math/exp.c \
-libs/math/fabs.c \
-libs/math/floor.c \
-libs/math/isnan.c \
-libs/math/log10.c \
-libs/math/log2.c \
-libs/math/log.c \
-libs/math/mtherr.c \
-libs/math/polevl.c \
-libs/math/pow.c \
-libs/math/powi.c \
-libs/math/round.c \
-libs/math/setprec.c \
-libs/math/sin.c \
-libs/math/sincos.c \
-libs/math/sindg.c \
-libs/math/sinh.c \
-libs/math/sqrt.c \
-libs/math/tan.c \
-libs/math/tandg.c \
-libs/math/tanh.c \
-libs/math/unity.c
-#libs/math/mod2pi.c
-#libs/math/mtst.c
-#libs/math/dtestvec.c
-endif
 endif
 
 ifdef USE_GRAPHICS
@@ -1548,8 +1506,6 @@ endif
 
 ifdef STM32
 DEFINES += -DSTM32 -DUSE_STDPERIPH_DRIVER=1 -D$(CHIP) -D$(BOARD) -D$(STLIB)
-DEFINES += -DFAKE_STDLIB
-# FAKE_STDLIB is for Espruino - it uses its own standard library so we don't have to link in the normal one + get bloated
 INCLUDE += -I$(ROOT)/targets/stm32
 ifndef BOOTLOADER
 SOURCES +=                              \
@@ -1565,7 +1521,6 @@ INCLUDE += -I$(ROOT)/targets/linux
 SOURCES +=                              \
 targets/linux/main.c                    \
 targets/linux/jshardware.c
-LIBS += -lm # maths lib
 LIBS += -lpthread # thread lib for input processing
 ifdef OPENWRT_UCLIBC
 LIBS += -lc

diff --git a/boards/HYSTM32_28.py b/boards/HYSTM32_28.py
@@ -39,10 +39,10 @@
   'adc' : 3,
   'dac' : 0,
   'saved_code' : {
-    'address' : 0x08000000 + ((128-4)*1024),
+    'address' : 0x08000000 + ((128-3)*1024),
     'page_size' : 1024, # size of pages
-    'pages' : 4, # number of pages we're using
-    'flash_available' : 128-4 # 6 used for code
+    'pages' : 3, # number of pages we're using
+    'flash_available' : 128-3 # 3 used for code
   },
 };
 

diff --git a/boards/OLIMEXINO_STM32.py b/boards/OLIMEXINO_STM32.py
@@ -39,10 +39,10 @@
   'adc' : 3,
   'dac' : 0,
   'saved_code' : {
-    'address' : 0x08000000 + ((128-6)*1024),
+    'address' : 0x08000000 + ((128-4)*1024),
     'page_size' : 1024, # size of pages
-    'pages' : 6, # number of pages we're using
-    'flash_available' : 128-6 # 6 used for code
+    'pages' : 4, # number of pages we're using
+    'flash_available' : 128-4 # 4 used for code
   },
 };
 

diff --git a/libs/math/README b/libs/math/README
diff --git a/libs/math/acosh.c b/libs/math/acosh.c