* Use newlib libc library
This change adds libcmin.a, which is created from newlib libc by selectively removing some of the object files (mostly related to heap management).
The list of files is available in tools/sdk/lib/make_libcmin.sh. Files which are not needed are commented out.
This change adds support for various functions which were missing, like sscanf, strftime, etc.
* Fix some of the time functions
* Redirect stdout to serial
* Implement __putc_r
* Switch to custom newlib build
Built from https://github.com/igrr/newlib-xtensa using:
./configure --with-newlib --enable-multilib --disable-newlib-io-c99-formats --enable-newlib-supplied-syscalls --enable-target-optspace --program-transform-name="s&^&xtensa-lx106-elf-&" --disable-option-checking --with-target-subdir=xtensa-lx106-elf --target=xtensa-lx106-elf --enable-newlib-nano-formatted-io --enable-newlib-reent-small --prefix=path-to-arduino-core/tools/sdk/libc
CROSS_CFLAGS="-DMALLOC_PROVIDED -DSIGNAL_PROVIDED -DABORT_PROVIDED" make
make install
* Update tests
Changes:
5b4be7d273 Reserve 16k fragment buffer only when it is actually required.
b33ef68e6a Fix handshake status not being set if increase_bm_data_size fails
Changelog:
324c2fdade Terminate connection if increase_bm_data_size fails
96fbb39f21 Update README.md
c18bb56e61 Add travis CI
9eaeca3a03 Postpone freeing of X509 context to the first data exchange after handshake
28869ea94b Use free followed by malloc instead of realloc when increasing raw buffer
43a90bcf35 Merge pull request #8 from slaff/feature/lwipr-compat
66e1a5f423 Merge pull request #7 from slaff/feature/sni
1154d0a985 Changed the code to reserve bytes for hostname only if needed.
63da8991c2 Added SNI ( https://en.wikipedia.org/wiki/Server_Name_Indication ) support.
7c38865f66 Restructured the lwip raw comat code. Added replacements for the time functions on ESP8266.
885ff3e8f0 Merge pull request #6 from slaff/feature/lwip-raw
d78e7a0799 Initial version of axTLS integration with lwip raw tcp mode (http://lwip.wikia.com/wiki/Raw/TCP).
esp_iot_sdk_v1.5.1_16_01_08 Release Note
----------------------------------------
Resolved Issues (Bugs listed below apply to Bug Bounty Program):
1.espconn_abort may cause system crash.
Optimization:
1.Optimize the data receiving process under TCP connection.
2.Optimize low MAC and increase stability of the software.
3.Optimize watchdog feeding process.
4.Optimize softAP working mode so that some stations can be easily connected.
5.Optimize station working mode, enabling connection even when the SSID of the AP has changed.
6.Optimize station working mode, and increase router’s compatibility during the connection process.
7.Optimize SSL shakehand.
8.Optimize espconn internal timer.
9.Optimize UDP transmission.
10.Improve the flash writing process.
11.Strenthen WPA2 security protocols.
12.Improve data sending ability.
13.Straighten the control capability of GPIO16 under light sleep mode.
14.boot.bin is upgrade to version 1.5, resolving boot failure when firmware is upgraded over the air (OTA).
AT release note：
1.Optimize the process of establishing TCP server via AT command.
2.Optimize UART-WiFi transparent transmission mode via AT command.
Please be noted that with the release of NONOS SDK Version 1.5.0 (ESP8266_NONOS_SDK_V1.5.0), the space that AT commands occupies has increased to more than 4Mbit. Therefore, flash with 512Kbit capacity is no longer supported. Please choose flash with at least 8Mbit capacity.
Please be noted that firmware upgrade over-the-air process is changed a bit. We will upgrade the latest firmware to Espressif Cloud server only after it has been tested and the overall performance is guaranteed. Users may not be able to download firmware encapsulated in ESP8266_NONOS_SDK_V1.5.0 and other more advanced versions.
- free up some memory by getting rid of intermediate buffer
- libaxtls: update to 6830d98
- allocate plaintext buffer in two stages: 4*MSS initially, grow to 16k after handshake
- free certificate data after handshake is complete
- preallocate some structures to reduce memory fragmentation
