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66 commits

Author SHA1 Message Date
Angus Gratton
e8eac9614d Simplify linker script to remove preprocessing, not check flash sizes 
Memory layout is now split into two linker scripts for OTA vs
non-OTA (different starting offsets), remaining functionality in
common.ld.

As discussed in #64, progress towards #38
 2015-11-13 12:15:01 +11:00
Angus Gratton
233e5f377a Remove axTLS 2015-09-28 13:01:22 +10:00
Angus Gratton
09405a9095 Merge branch 'master' into feature/mbedtls 2015-09-24 20:40:36 +10:00
Alex Stewart
ba7492756c Merge branch 'master' into open-startup 2015-09-20 14:05:54 -07:00
Angus Gratton
f230fbcd65 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
1c9e106db8 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
Michael Jacobsen
602d3e2d98 Header files re-arrangement 2015-09-20 21:13:38 +10:00
Michael Jacobsen
627b78331a Added C++ base components and example 2015-09-20 21:13:38 +10:00
Angus Gratton
cc97067fa1 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
372827ac42 Mostly updated header files for use in C++ 2015-09-20 21:13:38 +10:00
Angus Gratton
c7a7dfdf82 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
8b90dbd9e5 Merge branch 'feature/c++' 2015-09-12 16:27:26 +10:00
Angus Gratton
421f8ddaa5 Allow properly for out-of-tree components (was a hack before) 2015-09-08 10:36:19 +10:00
Angus Gratton
9f5bc3735e Add link from common.mk components section to wiki page 2015-09-08 10:36:03 +10:00
Angus Gratton
7e73693898 Rework component makefiles to have a default <component>_ROOT 
This fixes a long-standing bug where build directories sometimes
expanded many levels deeper than they should have.

Component names can now no longer contains slashes (ie the component
name for 'extras/i2c' is now just 'i2c')
 2015-09-08 09:59:59 +10:00
Angus Gratton
0090153fa7 Reorder library arguments so component libraries come first 
This allows components to override weak linked symbols in the core or
the SDK libraries, without needing to force symbol discovery.

Will help with #24, for instance.
 2015-08-31 16:59:34 +10:00
Alex Stewart
c16dd2ef23 Add 'sdklike' FLAVOR to makefile 2015-08-28 18:53:43 -07:00
Alex Stewart
8b8f7c9de4 Use fixed symbol rename list 
To keep things from changing out from under us as we slowly replace bits of the
SDK libs, changing Makefiles to not auto-generate the list of symbols to
rename, but always use the same list every time.
 2015-08-28 18:53:43 -07:00
Michael Jacobsen
94a953d3e3 Header files re-arrangement 2015-08-26 10:45:21 +10:00
Michael Jacobsen
1282e11c08 Added C++ base components and example 2015-08-26 10:45:21 +10:00
Angus Gratton
424dc0f3b0 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.
 2015-08-10 16:14:30 +10:00
Michael Jacobsen
da6b5f74bb Mostly updated header files for use in C++ 2015-08-10 15:31:03 +10:00
Johan Kanflo
0e521a74a9 WiFi credentials 
Changed local.h to include/ssid_config.h and added instructions on how
to keep your WiFi credentials safe from Github.
 2015-08-07 13:26:06 +02:00
Angus Gratton
d703f8eae0 esptool.py: Ensure flash size args are passed at each step 
('esptool.py write_image' will override the flash size in your binaries with the
default, given the chance)
 2015-08-06 11:40:44 +10:00
Angus Gratton
5f82b3c27f Merge branch 'master' of github.com:SuperHouse/esp-open-rtos 2015-08-05 14:24:10 +10:00
Angus Gratton
dd538b2889 Makefile: Pass flash size & speed flags to both esptool.py & esptool2 2015-08-05 14:04:12 +10:00
Angus Gratton
aed843fc14 exception_vectors: Remove some cruft some the symbol table 2015-07-30 10:10:37 +10:00
Angus Gratton
147257efa4 Almost functional OTA support 
ota_basic example can receive new image via TCP.

However - writing to flash with interrupts disabled causes data loss,
and the TCP flow is very slow to recover. Linux sender quickly ramps up
RTT timer to very long retry intervals, crippling performance &
throughput.

Running the update without the flash writes causes the data to be
received quickly, so this is definitely an issue with the time taken for
the erase cycle.

Progress towards #10
 2015-07-29 16:50:23 +10:00
Angus Gratton
9c7c94f96d Makefile: When assembling, add the source dir to the assembler include path 2015-07-28 11:42:56 +10:00
Angus Gratton
30877f4ef0 Makefile: Assemble any .s files files found in SRC_DIRs 2015-07-28 11:27:41 +10:00
Angus Gratton
2440ba526a Makefiles: Allow for EXTRA_COMPONENTS and EXTRA_LDFLAGS to append to either variable 2015-07-28 11:20:18 +10:00
Johan Kanflo
d4873379a9 Changed flashing order 
Workaround for a ESP8266 ROM bug that cuases SPI flash erase
to sometimes erase an extra sector. See
https://github.com/themadinventor/esptool/issues/33
 2015-07-23 14:13:07 +02:00
Angus Gratton
d4a503f320 Fix bug with blank OTA binary file name 2015-07-23 15:19:30 +10:00
Angus Gratton
87dc2317f5 Support building an OTA-compatible flash image 
Image is suitable for SDK v1.2 bootloader or rBoot.
 2015-07-21 15:27:19 +10:00
Angus Gratton
5bbbc1f144 Run linker scripts via C preprocessor 2015-07-21 15:27:19 +10:00
Angus Gratton
86188c01fd Merge branch 'newlib' 2015-07-15 16:01:18 +10:00
Angus Gratton
689cf874b2 Provide our own newlib libc 
Newlib 2.2.0 w/ nan ofeatures, xtensa patches, locking
implementation.

Built from https://github.com/projectgus/newlib-xtensa
branch xtensa-2_2_0-lock
commit daa6ae40cdc8099f54c3e68a586fc1b906169c5a

For more details, see:
https://github.com/SuperHouse/esp-open-rtos/wiki/libc-configuration

Closes #1
 2015-07-15 15:17:59 +10:00
Angus Gratton
a566a51c09 Use linker scripts rather than libcirom/objcopy tricks to arrange 
IRAM/IROM sections.

esp-open-rtos compiled code: .text goes into irom by default, symbols
explicitly marked with IRAM attribute go into iram.

SDK code: .text goes into iram by default, symbols marked with
ICACHE_FLASH_ATTR go into irom.

libgcc functions also go into iram by default.
 2015-07-09 13:58:41 +10:00
Angus Gratton
f0db6f2b98 WiFi Examples: Load SSID & password from a common local.h file instead 
of coding into program
 2015-06-16 16:58:27 +10:00
Angus Gratton
aaef4b0644 Replace all binary SDK libc functions with newlib 
Adds a new build step to remove the SDK object files listed in
<libname>.remove.

Closes #1.
 2015-06-16 14:21:24 +10:00
Angus Gratton
b4cbd2712e Makefile tweaks for xxx_SRC_FILES search path & error reporting 2015-06-12 10:27:14 +10:00
Angus Gratton
685a48583a Change 'TARGET' in makefiles to 'PROGRAM', keep consistent with documentation terminology 2015-06-12 10:26:02 +10:00
Angus Gratton
f7c4b6d550 Dependencies: Rebuild component if its makefile changes, or if common.mk/local.mk changes 2015-06-12 09:51:25 +10:00
Angus Gratton
f34e229bbc Allow specifying list of files in Makefiles as alternative to dirs 
Also allow xx_EXTRA_SRC_FILES
Let target component use name TARGET so TARGET_EXTRA_SRC_FILES, TARGET_SRC_DIR, etc.
 2015-06-12 08:12:47 +10:00
Angus Gratton
0dbb6d31a5 Add IRAM attribute for IRAM loaded symbols, add to common FreeRTOS functions 
Closes #7.

It'd be nice to change the linker script so .text is always linked to
IROM instead of needing to objcopy each compiled file. The sticking
point for this is libgcc & libhal, which have symbols in .text that need
to be loaded to IRAM.
 2015-06-08 18:19:59 +10:00
Angus Gratton
2c46be9825 Basic support for GPIOs 0-15. 
Start new 'core' component for low-level parts

Progress towards #8
 2015-06-08 12:09:34 +10:00
Angus Gratton
b01e7a89bd Rearrange make order so user program gets compiled first (most likely to have compiler error) 2015-06-05 15:35:04 +10:00
Angus Gratton
a173ffa81d Remove custom entry point, pending merge of esptool.py patch adding --entry-symbol option 2015-06-03 14:29:56 +10:00
Angus Gratton
1ee7222509 Add wiki link, clean up README a bit 2015-06-03 09:15:56 +10:00
Angus Gratton
1bfe1c5147 Fix makefile local.mk usage 2015-06-03 09:14:50 +10:00