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Author SHA1 Message Date
Angus Gratton
680047bc8d Merge branch 'experiments/unaligned_load' into feature/mbedtls 2015-09-24 20:25:10 +10:00
Alex Stewart
34bd63c943 More LoadStoreErrorHandler performance improvements 2015-09-23 08:51:36 -07:00
Alex Stewart
bcacfa426a Further optimizations for LoadStoreErrorHandler 2015-09-21 22:13:14 -07:00
Angus Gratton
7542e995ec http_get_mbedtls: Add root cert used by howmyssl.com 2015-09-20 21:41:39 +10:00
Angus Gratton
5b67ca4f5f Merge branch 'master' into feature/mbedtls 2015-09-20 21:26:29 +10:00
Angus Gratton
18381f88fe mbedTLS: Add ESP8266 hardware entropy source discovered by @foogod 
Addresses #3, provided turns out to be an effective HWRNG.
 2015-09-20 21:15:30 +10:00
Angus Gratton
9f5dedd1a8 Add initial mbedTLS and HTTPS example project (using howsmyssl.com JSON API) 
mbedTLS version 2.1.0 (current stable)

Has some known issues/hacks:
* Entropy source not hooked in at all
* Linker script has a messy hack in it to store some (not all) data in
  irom
 2015-09-20 21:13:38 +10:00
Angus Gratton
68012041a7 Move start of IROM0 to 0x40220000, save 128kB of flash 
Old starting point left 256kB for RAM sections, but I think they
shouldn't ever possibly exceed 128kB.
 2015-09-20 21:13:38 +10:00
Angus Gratton
464359ea66 Compile with -ffunction-sectons -fdata-sections, link with -gc-sections 
This seems to shrink code size by abou 3.5%. Not sure if there are any downsides.
 2015-09-20 21:13:38 +10:00
Angus Gratton
1cbb34b9ab Rename main.cpp in tasks example 2015-09-20 21:13:38 +10:00
Angus Gratton
77813c8032 Rename GPIO_CONF_PUSH_PULL to GPIO_CONF_OPEN_DRAIN 
Seems I got the functionality of this bit inverted when
initially testing.

In testing it also seems open drain mode is ignored on some pins, which
still source current. Needs more investigation though (may be pullups
internal to the ESP modules or set by default in software.)

Relates to #45
 2015-09-20 21:13:38 +10:00
Angus Gratton
72377c4cd5 iomux: Fix setting of invalid bits when masking in iomux fields 
Fixes regression from 2a939e97

Part of issue #45
 2015-09-20 21:13:38 +10:00
Angus Gratton
adb7dc9744 Remove stray extras/cplusplus 2015-09-20 21:13:38 +10:00
Angus Gratton
1f7a27b49a examples/Makefile: Use MAKE to properly invoke make recursively 2015-09-20 21:13:38 +10:00
Angus Gratton
f2651d1be3 common_macros: Include sys/cdefs.h, defines _Static_assert among others 2015-09-20 21:13:38 +10:00
Angus Gratton
07ba9ec6ea Move c++ operators back to link-time resolutions, part of 'core' 
This reverts commit e9b1df5cb5.
 2015-09-20 21:13:38 +10:00
Angus Gratton
8324a0ccc4 gpio.h: Explicit cast to enum type (needed for g++) 2015-09-20 21:13:38 +10:00
Angus Gratton
047d2def6a Post-merge cleanup of extras/cpp_support 2015-09-20 21:13:38 +10:00
Michael Jacobsen
78b006e6d3 Header files adjustment 
(MQTT changes split from original commit - @projectgus.)
 2015-09-20 21:13:38 +10:00
Michael Jacobsen
0a6722840c Header files re-arrangement 2015-09-20 21:13:38 +10:00
Michael Jacobsen
f251416307 Updated license 2015-09-20 21:13:38 +10:00
Michael Jacobsen
19cff5ae30 Header files adjustments 2015-09-20 21:13:38 +10:00
Michael Jacobsen
3d8ed11087 Added C++ base components and example 2015-09-20 21:13:38 +10:00
Angus Gratton
d308687782 Add basic C++ new/delete operators, as contributed by @mikejac in #24 2015-09-20 21:13:38 +10:00
Angus Gratton
aea147ad6a Add C++ support to Makefile, and proof-of-concept simple.cpp example 
This is a work in progress based on @mikejac's work.

Missing:
* No 'new' operator.
* I don't think STL is currently supported.
 2015-09-20 21:13:38 +10:00
Michael Jacobsen
436aa8b8cc Mostly updated header files for use in C++ 2015-09-20 21:13:38 +10:00
Alex Stewart
9d62d09d3f unaligned_load.c: Added more naive_strcpy tests 
Added tests for naive_strcpy using a variety of different regs, as execution time can depend on which register is being used.
 2015-09-19 20:03:22 -07:00
Alex Stewart
dc1b8b1816 Add sanity-test suite to unaligned_load.c 
Tests are designed to methodically exercise all code paths/opcodes/offsets/etc.
 2015-09-19 15:16:44 -07:00
Angus Gratton
c4a607a595 bmp180 i2c: Fix typo temperatue->temperature. 
Closes #47
 2015-09-18 17:59:50 +10:00
Angus Gratton
3eb43c6ef5 Moved DoubleLoadStorageHandler to end of functions, improve fast path l8ui performance 
This allows a conditional branch that previously required a full jump instruction not to require it.
 2015-09-15 15:09:42 +10:00
Angus Gratton
6ad51e209a Fix performance regression in 3911a94cc 2015-09-15 15:00:56 +10:00
Angus Gratton
8a088f73db unaligned_load: Fix sign extension, add test case for sign extension 
H/T to @foogod again for this.
 2015-09-15 12:00:32 +10:00
Angus Gratton
5a9590cdff unaligned_load: Add doubleexceptionvector behaviour test 2015-09-15 12:00:26 +10:00
Angus Gratton
e4c76b488c Remove the unaligned load handler to its own source file as it was getting quite complex 
The downside here is needing to use #include so the 'beq' in the
exception vector can land on it directly, save an instruction.

There might be a better way to do this, but it seems hard to "curate"
the order that symbols appear in each section.
 2015-09-15 11:34:21 +10:00
Angus Gratton
c759a2af05 Remove one more branch from l8ui code path 
Thanks for @foogod for the heads-up on this.
 2015-09-15 11:01:21 +10:00
Angus Gratton
390e007c75 Fix sign extension as suggested by @foogod 
Also removes a branch from l8ui path, saves some cycles
 2015-09-14 18:30:11 +10:00
Angus Gratton
44f2ba66e5 Exception vectors: Remove no-op syscallhandler 2015-09-14 18:17:45 +10:00
Angus Gratton
d4e5af7f0b NMI exception handler: Fix reserving too much RAM for registers 2015-09-14 17:43:29 +10:00
Angus Gratton
9ae2464258 Exception handlers: remove unused NMIHandlerAddress 2015-09-14 17:22:50 +10:00
Angus Gratton
6650369502 Use GPIO2 for led_debug.S 2015-09-14 17:20:00 +10:00
Angus Gratton
e347f296f3 Exception vectors: Rearrange to use absolute offets instead of .align hacks 2015-09-14 17:20:00 +10:00
Angus Gratton
1a4c829b1f Extended unaligned load support to work from DoubleExceptionVector 
Allows handling bad loads that occur inside level 1 exception handlers.
 2015-09-14 17:20:00 +10:00
Angus Gratton
8932afd7c7 Rename main.cpp in tasks example 2015-09-12 16:28:11 +10:00
Angus Gratton
df8eaeec8c Merge branch 'feature/c++' 2015-09-12 16:27:26 +10:00
Angus Gratton
f585ed8f46 Rename GPIO_CONF_PUSH_PULL to GPIO_CONF_OPEN_DRAIN 
Seems I got the functionality of this bit inverted when
initially testing.

In testing it also seems open drain mode is ignored on some pins, which
still source current. Needs more investigation though (may be pullups
internal to the ESP modules or set by default in software.)

Relates to #45
 2015-09-12 16:21:26 +10:00
Angus Gratton
d5141b3077 iomux: Fix setting of invalid bits when masking in iomux fields 
Fixes regression from 2a939e97

Part of issue #45
 2015-09-12 15:23:42 +10:00
Angus Gratton
7cb8fd189e Fix printf format string changed in merge 2015-09-10 21:11:52 +10:00
Angus Gratton
a5266adb48 Merge branch 'master' into experiments/unaligned_load 2015-09-10 08:19:42 +10:00
Angus Gratton
c55cfd3b2e Merge branch 'fix/int32_t' 
Closes #42
 2015-09-09 16:23:31 +10:00
Angus Gratton
0ee529b878 libc: More int32_t fixes to not expect 'long' 
libc built from projectgus/newlib-xtensa@45ed90066
 2015-09-09 16:22:57 +10:00